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Old November 26th, 2010, 07:46 AM   #1
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Science and Technology News.

Health

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Nigerian hospital closes hole in heart… without surgery
By Steve Dada, 11.24.2010

Barely a year after the cardiovascular specialist healthcare institution, Reddington Hospital, successfully performed the first cardiac catheterisation in the country, the hospital has recorded another medical feat by performing Nigeria's first devised closure of a hole-in-the-heart without surgery.



The latest landmark achievement known as Patient Ductus Arteriosus (PDA) by non-surgical intervention performed on three-year-old child, Victoria Onuoha, in a procedure hitherto traditionally done with open heart surgery was done with a small device that is inserted through a vein in the groin.

The Acting Medical Director of the hospital, Dr. Olu Lawani, yesterday explained that the achievement was made possible following an intense collaboration between doctors at the Reddington Hospital and LASUCOM/LASUTH in a spirit of Public Private Partnership (PPP).

PDA is a congenital heart disease commonly seen in early childhood, which is a condition where the hole fails to close at birth for various reasons.

"The hole causes oxygenated blood leaving the heart through the Aorta to be pushed back into the right side of the heart causing lung congestions, pulmonary hypertension and enlargement of the heart," he said.

According to Lawani, the first report on the device closure of PDA was observed in 1967 by Porstmann and had gained wide acceptance and used all over the world since then, "but this is the first report of using this mode of treatment for PDA in West Africa".

Lawani said the team of doctors who performed the operation deserved to be congratulated for their courage and skillfulness in pioneering the historic event in Nigeria and possibly the first in West Africa.

"I have to use the word 'courage' because a lot of people were very nervous about the likely outcome of this procedure being the first to be performed in Nigeria using fully indigenous expertise," he noted.

It is cheery news for sufferers of cardiovascular complication who patronize Reddington Hospital for medical attention as the hospital has completed arrangements to crash its charges on ailments to accommodate more patients who, due to financial constraints, cannot attend the hospital for treatment.

Lawani said money was not paramount in the operations and services of the hospital but "first and foremost to offer humanitarian services to the general public", noting that situation in the country today called for that.

He said the management "has appointed an external consultant to look into how our hospital charges can be brought down considerably so that a lot of Nigerians can access and utilize the huge capacity we have to offer at the Reddington Hospital at affordable cost. We are hoping the new low price regime would be effective from January 2011.

"It is our belief that there are many more children who are still in chronic ill-health as a result of heart ailment who are yet to get help for sponsorship, to benefit from this definitive cure. As our contribution to this landmark event, the management of the Reddington Hospital took a decision to wave our own charges regarding the treatment of this patient in our facility."

The father of the baby, Mr. Kenneth Onuoha, explained that he and his wife observed that the heartbeat of Victoria, who was born in 2007, was too fast.

She was inactive, vomiting and regularly running temperature, which prompted them to take her to a hospital at Bariga, Lagos State, where they reside, but the hospital could not handle the case for which they were referred to the Lagos State University Teaching Hospital (LASUTH) where the baby was diagnosed with congenital heart complication.

Consultant Paediatric Interventional Cardiologist at LASUTH, Dr. Adeola Animasahun, a member of the team that performed the procedure, explained that cases of congenital heart disease (CHD) are very common now in the country, occurring 6-8 in 1,000 live births. PDA 1 occurs in 2,500 births, common in females and most common in people that live in high altitude.

Victims in the past were just dying because of lack of equipment for diagnosis of such conditions, she said, noting that there are advancements in the country's medical technology that could make health-care institutions to detect such complications now and for that more and more cases are being discovered in the hospitals.
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Old November 26th, 2010, 07:51 AM   #2
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Internet Technology

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SAP floats Internet Academy
11.25.2010

Systems Application Products in data processing (SAP) has established an internet academy and learning software.

The world's leading provider of business software SAP, which delivers products and services that help accelerate business innovation for their customers has signed a partner co-operation agreement with Digitcom Technologies Limited to establish SAP e-Academy and e-Learning program in Nigeria.

The Managing Director of Digitcom Technologies, Mr. Ike Ezeani, informed THISDAY that "Digitcom started conducting SAP e-Academy and e-Learning training on the 1st of September, 2010 in Port Harcourt."

He said: "The supported E-learning programme delivers comprehensive training in a convenient and cost effective format. With e-Academies you will benefit from a flexible learning programme. E-Academies allow you to learn whenever and wherever you want. The learner gets flexible access to e-learning content, training systems, and help desk support over a 3 or 5-month period. E-Academies help their students get ready for job related tasks and prepares them for SAP's certification exams.

"During the access period the student will get access to mentor tips and expert know-how via voice chat, Net meeting, or Web-based chat. E-Academies are fully supported to ensure constant and consistent help to students for all units in the module.

"Certification exam will be conducted at the end of the course. You can choose the exam date from available schedule. On successfully clearing the Certification Exam, the candidate becomes an SAP Certified Consultant in that specific module. The Certificate is awarded by SAP AG and is valid internationally.

"The SAP e-Academies and e-Learning training is a laudable initiative, the percentage of those passing SAP Certification exam is higher for students enrolled in e-Academy than in conventional classes. Knowledge can be delivered wherever and whenever it is needed. He also said that its flexible format allows learners to proceed at their own pace and repeat lessons as needed while providing interactive snapshots and simulated exercises," he added.

Currently, he said that customers in more than 120 countries run SAP applications from distinct solutions addressing the needs of small businesses and midsize companies to suite offerings for global organisations."

Digitcom is a provider of Software Solutions, Business Management processes, Software Development, IT Consulting, Inter-Networking, CAD Services, Web Site Design and Training services with head office in Port Harcourt.
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Old November 26th, 2010, 07:53 AM   #3
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Space


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Russia plans to launch Nigerian satellites in December
Russia is planning to launch two Nigerian satellites into orbit in December, Foreign Minister Sergei Lavrov said.

NigeriaSat-2 and NigeriaSat-X earth monitoring satellites will be launched to a solar-synchronized orbit by a Russian-Ukrainian Dnepr heavy carrier rocket.

"We are planning to launch two Nigerian satellites on board our carrier [rocket] in December," Lavrov told reporters on Wednesday after a meeting with his Nigerian counterpart Odein Ajumogobia in Abuja.

NigeriaSat-2 will be used primarily for resource management and mapping of the Nigerian territory, while NigeriaSat-X will assist with disaster relief and global environmental monitoring campaigns.

Nigeria became the third African country to enter the space age, after South Africa and Algeria, when Russia launched NigeriaSat-1 earth monitoring satellite in 2003.



ABUJA (Nigeria), November 18 (RIA Novosti)






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Old November 26th, 2010, 07:58 AM   #4
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Health

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Uduaghan Flags Off Free Healthcare For Children



Governor Emmanuel Udaughan of Delta State on Thursday flagged off free health care programme for children under the age of five in the state.

Uduaghan, who inaugurated the initiative at Sapele General Hospital to commemorate the Children Day celebration, urged health givers not to abuse the programme, invoking the wrath of God on workers that would sabotage it.

The governor said the children have a right to health care as, according to him, many children died because their parents could not foot their medical bills.

He advised parents to be responsible and show some care to the children, and that they should take advantage of the programme to ensure that their children are taken to the hospital when ill, and not to quacks.

“We dedicate May 27 to children under five. They have the right to health care and money should not prevent them from being taken care of. As a practising medical doctor, I know many children died because their parents could not pay their bill; they go and patronise quacks. Delta State government has decided that even if we don’t do any other things, we must take care of them from the day they are conceived to when they are 5 years.

“I appeal to health workers that this programme should not be sabotaged. If you sabotage the programme, I might not see you, but God will see you and your reward will be devastating. The programme is not only for out-patients, it also includes those on admission, surgery and the state is taken that responsibility.”

Health Commissioner, Dr. Joseph Otumara, described children as the bedrock upon which the future of the state and indeed the country depends, as such it is “incumbent upon us to endeavour to keep them in the best possible condition of health in order to guarantee a very healthy and rewarding future for us all’’.
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Old November 26th, 2010, 08:02 AM   #5
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Nuclear Power

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IAEA Head Highlights Nigeria's Nuclear Ambitions


ABUJA (Reuters) - The new head of the International Atomic Energy Agency (IAEA) used his first official foreign trip on Monday to spotlight Nigeria's nuclear energy ambitions, keeping quiet on other international issues.

Yukiya Amano met Nigerian Vice President Goodluck Jonathan to discuss Nigerian plans to develop its first nuclear power plant, which could provide much needed electricity to sub-Saharan Africa's second biggest economy.

Amano also discuss cooperation with Nigeria on cancer therapy but did not publicly comment on any international matters.

Diplomats and analysts say the trip is the first stage of Amano's efforts to heal differences between mainly Western industrialised countries and developing nations, a split which has hampered a united response to Iran's nuclear programme.

"I made Nigeria my first port of call because Nigeria is a very important country in Africa," Amano told reporters after meeting briefly with Jonathan in the capital Abuja.

"We discussed the future co-operation between your country and IAEA, especially on the infrastructure support for Nigeria's nuclear power programme. We also discussed co-operation in cancer therapy," he said.

Amano will visit a nuclear technology centre and hospital around Abuja on Tuesday to highlight peaceful uses of the atom.

Although the country is Africa's biggest energy producer, most Nigerians go without mains electricity for weeks, leaving neighbourhoods without private generators in darkness every night and heightening frustration among its 140 million people.

The world's eighth largest oil exporter has spent billions of dollars over the past decade to resolve its power crisis, but residents have seen little improvement due to mismanagement and corruption.

Nigerian Science and Technology Minister Alhassan Bako Zaku said Russia agreed to help Nigeria's nuclear ambitions, which were still at an early stage.

"We are still on stage one. After this, the next stage is to start building the nuclear plant and we have started training our staff for it," he said.
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Old December 19th, 2010, 09:29 PM   #6
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Space
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Nigerian discovers new heavenly body News Friday, December 17, 2010


Nigerian Born Scientist Dr. Alph-onsus Ekwerike of Science Medicine Research, has discovered a new heavenly body tagged 2010 TL 78. In a new space discovery news released recently by Dr Patrick Miller, President of the International Astronomical Search Collaboration (IASC) & a Professor of Mathematics & Astronomy at Harding-Simmons University in Abilene, Texas.

USA,said this discovery was done on September 15,2010 but got confirmed last month with due credit to the discoverer, Dr. Alphonsus Ekwerike.

In his congratulatory statement on Dec.9,2010 to Dr.Alphonsus Ekwerike,he said "Now, keep in mind the discovery won't be numbered for 3-10 years.

Additional observations will be made over the years until the orbit is fully refined. It is at that point that the discovery is numbered and placed into the world's official catalog. Your discovery is now in the provisional stage, and being monitored by the Minor Planet Center."

http://odili.net/news/source/2010/dec/17/310.html
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Old December 31st, 2010, 09:28 PM   #7
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NigComSat replacement for launch Dec 2011

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Headlines Thursday, December 30, 2010


By Prince Osuagwu



LAGOS - Replacement for the failed Nigerian Communications Satellite, NIGCOMSAT1R, may go up to the orbit end of 2011. This date, according to the managers of the Satellite, Nigerian Communications Satellite Company Limited, NigComSAT Ltd, was given by the Chinese company, China Walls, handling the project.






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However, the company also revealed that the Nigerian government was putting pressure on the Chinese company to speed up work on the project to have it launched at an earlier date.

Speaking with journalists in an interactive session yesterday in Abuja, CEO of NigcomSat, Engr Ahmed Rufai, said he just returned from China, where in the company of Minister of Finance and other government officials, inspected the level of work on the Satellite replacement.

According to Rufai, work on the project was at the finishing stage and the company building the satellite has picked December 2011 as the month to launch the satellite but the government officials who saw the speed of work argued that it can be done in an earlier time if more effort is added.

Nigeria's first communication satellite, NigComSat1, was in 2008, de-orbited shortly after it was launched into space in 2007.

Rufai said: "I just returned from China, where, in the company of Minister of Finance and other government officials, we went to assess the level of work on NigComSat1R. The minister himself was happy with the level of work so far and was optimistic that given a little more effort it could be launched even earlier than the December 2011 date the satellite builders was slating. But what ever happens, we are sure now that all things being equal, the replacement for Nigcomsat1 would go into space by fourth quarter of 2011″

Explaining what led to de-orbiting the satellite in the first place, NigComSat project manager, Abdulrahim Adajah, said it was as a result of the technical challenges it had, which could happen to any space satellite. He said shortly after Nigeria lost her satellite in orbit in 2008, three other countries also lost several satellites as well.

He assured Nigerians that as soon as the satellite is relaunched, the agency would embark on the second project tagged NigComSat2.

Adajah saidNigComSat1R as a communication satellite would help Nigeria in strengthening broadcast operations, boost broadband development, monitor and track railway, sea and air haulages on different routes and would equally help in controlling national security issues.

Adajah said the Chinese who built the failed NigCom Sat1 was also building the replacement satellite at no extra cost to Nigeria

According to him, having trained more than 500 Engineers between the time the first satellite was built and now, the replacement would now be monitored and controlled in Nigeria from the very first day it would be launched, even though the there would be presence of the Chinese engineers in Nigeria to also straighten operations.

He added that his company has built enough capacity on the ground stations in Abuja for the control and monitoring of NigComSat1R



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Old February 2nd, 2011, 07:41 AM   #8
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World Bank lists Nigerian firm among top emission control inventors

World Bank lists Nigerian firm among top emission control inventors
Wednesday, 02 February 2011

AN indigenous company- Quintas Renewable Energy Solution, based in Akure, Ondo State, has been named by the Climatology Division of the World Bank as one of the 10 inventors selected across the globe for contributing towards reduction in carbon emission through their products in 2010.

The development came as the Ondo State governor, Dr. Olusegun Mimiko, urged the Federal University of Technology, Akure (FUTA), to focus on researches aimed at finding alternative sources of energy “for the country to make the required headway in industrial development.”

Incorporated in 2009, after ten years of research and development in the area of power backup (electricity) in critical areas in hospitals, offices, homes and rural communities, Quintas has a large percentage of the UPS market in Ondo and neigbouring states of Osun, Ekiti and Edo.

The company was also adjudged by the World Economic Forum (WEF), alongside 30 others, as WEF Technology Pioneers for the same period and its Chief Executive Officer (CEO), Dr. Omotayo Dairo, invited by the global body to Davos, Switzerland to be part of the yearly conference.

Briefing newsmen in Akure before the trip, Dairo, a medical doctor and Chairman of the Governing Board of the Lagos University Teaching Hospital (LUTH), said representatives of the selected companies would have private sessions with various multinational concerns across the world before having an evening with Bill Gates on Saturday.

According to Dairo, the power backups- inverters, being produced by the organisation are equipped with buffer voltage compensation features to prevent voltage drop when being loaded, battery overcharge/overdischarge and other protective features.


He explained that the inventions of the organisation in the area of generation of electricity for use in the rural communities were being set for demonstrations as precedent to commercialisation, stressing that the company had concluded plans to establish the first factory in Africa that would process saw dust, wood shavings and chippings to high energy yielding pellets and reduce global green house gas emission.


While stressing that the Davos conference would be an opportunity to showcase Nigeria to the world and attract international investment into the country, Dairo said: “Already, international financial institutions in America and Standard Chartered Bank, had expressed interest in the projects and were willing to support the initiative.”

He, however, said the organisation expects about N5 billion facility in the next five years to bolster its renewable energy drive in Africa for the next three years, noting that with a combination of efforts, Nigeria’s energy problem would be solved by the next ten years.


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Old March 11th, 2011, 06:05 PM   #9
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MTN's Commissions Digital Library At Benin University

the commissioning of the MTN digital library, which constitutes the fourth phase of the project, is scheduled for Monday, March 14th, 2011.

The MTN Foundation UniversitiesConnect project is an ICT-in-Education project like the Foundation's flagship project, SchoolsConnect, which equips secondary schools students and teachers with requisite skills to function effectively in the fast evolving digital economy.

The project is being implemented by the Education Portfolio of the Foundation.

Dignitaries from all walks of life, including government officials, members of the boards of MTN Nigeria and the MTN Foundation, as well as top officials of the University of Benin are expected at the occasion.

The UniversitiesConnect digital library comprises 128 networked computers, 3 servers, 2 high capacity printers, one sound proof 100KVA generator, VSAT equipment and internet connectivity with a 2 year subscription. The library is linked to world-class digital libraries across the world, providing access to electronic resources like books, journals, magazines etc, covering all subjects from Law, Architecture and Medicine to Arts, and Engineering.


The first phase of the project benefitted University of Lagos, Akoka while the second phase benefitted Ahmadu Bello University, Zaria. University of Nigeria, Nsukka is the third beneficiary of the unique project.
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Old May 5th, 2011, 07:53 PM   #10
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Bijemi software out in 3 Nigerian languages

While more Nigerians retool indigenous software application for global competitiveness, the first web service in the world to support Nigeria three major languages, Bijemi has been launched into the market.


Emmanuel Onyeje, General Manager, Microsoft Anglophone West Africa, Vincent Mante of Hiperdist Ghana, Ugochi Asinugo of HP Experience Store, Aderemi Adejumo of Resourcery and Seye Oloruntoba, Anti-Piracy Manager, Microsoft Anglophone West Africa

Speaking to IT journalists last week in Lagos to unveil the product, the Managing Director of Zeritron Limited , Mr Nnamdi Anyanwu said that Bijemi.com software application would bridge the gap and create a platform for individuals and Small and Medium Business, (SMBs) to connect and publish their businesses online without the cost associated with owing online presence.

“A lot still needs to be done as only about less than 3% has access to broadband in Nigeria. While commending the efforts of the Nigeria Communication Commission thus far, little has been achieved in content creation and management.

“One would wonder and ask how all these affect the average farmer in the rural areas. Talk is cheap they say and access to content is expensive. Over 85% SMBs especially those in the rural areas do not have access to publish their businesses online.

”Business owners can setup and maintain minisites on bijemi instead of spending huge sum in paying website designers. This will enable them focus on their core competencies.

“Bijemi.com is the first web service in the world to support Nigeria three major languages. Bijemi is also the only web service in the world that supports the use of the N sign. Users can write articles, questions and answers in Hausa, Igbo and Yoruba.

“This will encourage the growth and development of these languages while giving Nigerians more sense of belonging” the IT technocrat explained.

According to him, Bijemi.com is a community web service which enables users to share their expertise, business and themselves. “We specialize in the design, development, and deployment of interactive web sites, Enterprise web application and customized software” he said.

Nnamdi, who has an extensive experience in computer programming and largely in software development noted with optimism that by leveraging on the web service architecture, businesses can expand and reach out to other businesses and consumers by publishing their content themselves.

“Users earn reputation points by sharing, contributing and collaborating with others. Specifically, information that can be shared on bijemi.com includes but not limited to expertise, personal achievements, real_life experiences, articles, jobs, questions and answers, I_need_to_know, business profile and more. The more points you earn the higher your level which gives you extended and enhanced privileges to do more” he added.

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Old June 6th, 2011, 09:20 PM   #11
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FG to launch NigeriaSat-2, NigeriaSat-X this month
Monday, June 6, 2011
Sunday Aborisade, Akure





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The Head, Media and Corporate Affairs, National Space Research and Development Agency, Mr. Felix Ale, has said that the country will launch into the orbit the NigeriaSat-2 and NigeriaSat-X satellites later this month.

Ale disclosed this in Akure on Friday when he spoke at a programme organised by the Ondo State Radio-Vision Corporation's chapel of the Nigeria Union of Journalists.

The NASRDA spokesman explained that the NigeriaSat-2 was a follow up to the success recorded with the NigeriaSat-1, which was designed for five years, but had been operating in the orbit for about eight years now.

He noted that the satellite had supported over 2,000 applications for research within and outside Nigeria, and had also assisted in the area of flood disaster in Argentina, Uruguay, North Korea, Pakistan, China, Vietnam, United States and some parts of Africa.

Ale said that the NigeriaSat-2 would be used primarily for resource management and mapping within the Nigerian territory.

He said the satellite would provide a high resolution system to map Nigeria once every four months.

Ale said, "It will support the NGDI programme by providing high quality data and enhance human natural resources in the use of satellite data.

"The satellite, which is designed for seven years, will meet demand for high resolution images locally and internationally.".

The NigeriaSat-X, on the other hand, is an experimental satellite solely designed and manufactured to improve the standard of Nigerian engineers using the facilities of NASRDA's technical partners in the United Kingdom.

"The satellite will be launched alongside NigeriaSat-2 for earth observation mission," Ale added.

He said that NigComSat-1 was designed in 2007 with a life span of 15 years, but regretted that the satellite was de-orbited 18 months after launch and active usage due to power related problems.
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Old June 12th, 2011, 06:39 PM   #12
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Friday, June 10, 2011
Nigerian plants show promise against polio virus
BY CHUKWUMA MUANYA



A novel Nigerian plant, Sphenocentrum jollyanum (akerejupon in Yoruba), could be the next best drug for poliomyelitis, diabetes, impotence and multi-drug resistant bacteria. CHUKWUMA MUANYA writes.


Nigerian plants show promise against polio virus


THREE Nigerian plants have shown promise in the global effort to eradicate the Wild Polio Virus (WPV).

The study, published in Nigerian Journal of Natural Products and Medicine by J. O. Moody and V. A. Roberts is titled "Antiviral effect of selected medicinal plants: Diospyros bateri, Diospyros monbutensis and Sphenocentrum jollyanum on polio viruses."

According to the study, methanolic extracts of the different morphological parts of three medicinal plants, Diospyros bateri, Diospyros monbutensis and Sphenocentrum jollyanum were evaluated for their antiviral activities on polio virus Types 1, 2, and 3.

The leaf and root extracts of S. jollyanum, the seed extracts of D. monbutensis as well as the leaf extract of D. bateri were active against polio virus Type 2 in both the 'post-treatment assay' and 'pre-treatment assay' protocols.

The seed extract of D. bateri were active against poliovirus Type 2 in 'post-treatment assay only'. Toxicity level of each plant extract or indicator cell lines were also determined and found to range from Minimum Cytotoxic Dose (MCD50) of 3.9x10-3 mg ml-1 for crude methanol leaf extract of S. jollyanum on Hep-2 (Human Epithelia cell line) to MCD50 of 1.2x10-7 mg ml-1 for leaf methanol extract of D. bateri on Vero cell line (African Green Monkey Fibroblast).

Phytochemical screening of the plants revealed that tannins and saponins were present in the three plants while only D. monbutensis contain both combined and free anthraquinones.

The plant Sphenocentrum jollyanum belongs to menispermaceae family. In indigenous Yoruba language, it is called akerejupon.

According to another study published in African Journal Medicine and Medical Sciences, the alcoholic extracts of leaves of Diospyros bateri and D. monbuttensis showed strong antibacterial activity against a wide range of Gram-positive and Gram-negative bacteria, while only the aqueous extract of D. bateri showed antibacterial activity against all the bacteria tested.

Another study published in Journal of Medicinal Plants Research concluded: "The result of this finding clearly indicated that the aqueous extract of S. jollyanum root was effective in reducing the blood glucose concentration of alloxan diabetic and hyperglycaemic (high blood glcose) rabbits. This is informative requiring that further work be conducted. This may be a potential source for the development of a new effective oral anti-diabetic agent."

The study, titled "The effect of aqueous root extract of Sphenocentrum jollyanum on blood glucose level of rabbits," was conducted by researchers from Olabisi Onabanjo University, Ogun State and College of Medicine, University of Lagos.

The researchers wrote: "Sphenocentrum jollyanum, a perennial plant is an erect shrub that belongs to the family Menispermaceae. It is distributed along the west coast of Africa from Sierra Leone across Nigeria to Cameroun. The plant is traditionally used as remedy for feverish conditions, cough and wound dressing and as an aphrodisiac. Studies have shown the leaves to possess significant antipyretic and analgesic activities. The roots and leaves have been reported to be active against Polio Type-2 virus. Investigations revealed that different parts of the plant exhibited significant antioxidant and anti-inflammatory properties."

The bark of Sphenocentrum jollyanum has been shown to stimulate sexual capability. Its fruit tastes like mango and is edible. Sphenocentrum jollyanum is believed by medicine men to have unusual leading properties, so explaining why the root extract is swallowed for constipation and to increase appetite as well as a stomachic in southern Nigeria and Ghana.

However, results of a comprehensive assessment of the effect of Sphenocentrum jollyanum root extract on male reproductive activity in albino rats published in Reproductive Medicine and Biology suggest that methanol extract of the Sphenocentrum jollyanum root could produce harmful effects on reproductive functions in male albino rats which can be attributed to poor sperm quantity (epididymal sperm count), quality (sperm motility, viability and morphology) and testicular degeneration. The steroidogenic potential of the plant could explain its use as an aphrodisiac agent.

The researchers wrote: "Male albino rats were treated orally with distilled water (vehicle for the extract; control) and 50, 100 and 150 mg kg?1 body weight of Sphenocentrum jollyanum root extract for 8 weeks. Each group had its own recovery. Rats were killed 24 h after the last treatment. Caudal epididymal sperm count, motility, viability, morphology and organ weights were determined. Hematological indices, serum proteins, enzymes, testicular superoxide dismutase (SOD) activity, and testicular and epididymal histology were determined.

"Compared with the control, the extract caused a dose dependent significant reduction in progressive motility of spermatozoa, viability and total sperm counts. The number of abnormal spermatozoa and epididymal volume were not statistically significant. There was a significant increase in serum testosterone levels in rats treated with 50 and 100 mg kg?1 of Sphenocentrum jollyanum.

"There was a significant increase in red blood cell count, packed cell volume and hemoglobin concentration, whereas there was no change in white blood cell count, mean total serum protein, albumin and globulin in the sera of Sphenocentrum jollyanum treated rats when compared with the control.



.

"The extract caused a significant decrease in serum aspartate and alanine aminotransferase activities with a significant increase in testicular SOD activity at a dose of 50 mg kg?1 bodyweight. Testicular cytoarchitecture of the extract treated rats showed degeneration of seminiferous tubules, whereas regeneration of germinal epithelium and restructuring of the germinal interstitium occurred in the recovery rats. No lesions were observed in the epididymis of the rats."

..
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Old June 15th, 2011, 09:17 PM   #13
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Builders scramble for Nigeria’s second satellite contract Technology Wednesday, June 15, 2011




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By Prince Osuagwu

Different satellite builders and service providers across the world are at the moment polishing their briefcases ready to storm Nigeria to slug it out for who grabs the contract to build the country's second communications satellite.


According to reliable sources, the process of getting the second and possibly third satellites off ground would begin immediately after the launch of NigComSat-1R later in the year.

NigComSat-1R is the replacement of Nigeria's communications satellite, NigComSat-1, which developed faults and was subsequently de-orbited in November 2008, 18 months after it was launched.

After attempts by NigComSat engineers and the satellite manufacturer, China Great Wall Industry Corporation (CGWIC) failed to rescue the satellite, China Wall settled for a replacement, resulting in the NigComSat-1R which is reported to be nearing completion and ready to launch by the fourth quarter of this year.

The country seems to have realised that those going into the business of communications satellite must provide back-ups against any eventuality. This is particularly, when it has become obvious that a communication satellite would help a country like Nigeria, in strengthening broadcast operations, boost broadband development, monitor and track railway, sea and air haulages, on different routes, just as it would equally help in controlling national security issues.

This eventually makes the Nigerian communications satellite contract, plum for world renowned satellite builders and indeed, at the recently concluded Satellite Communications, SATCOM Conference in Johannesburg, South Africa, interests were high among satellite builders, service providers and ancillary operators on who grabs the contract. Most of the arguments on why companies other than the China Great Wall should secure the contract included that Chinese companies were allegedly amateurs in satellite business.

However, Nigerian officials including engineers, who attended the event, did not buy any of the arguments but rather maintained that the major edge to securing the contract was a superior technology transfer business policy.

cations Commission, NCC, Engr Bashir Gwandu, on enhancing Africa's access to ICTs via satellite, multitude of satellite builders and launchers from Europe and America swarmed around to enquire on activities surrounding the contract of the second and third satellites for Nigeria.

Some of them openly signified interest, arguing that their long standing experience would give Nigeria's space experience some boost.

Although Gwandu in reply to those requests openly declared that he was in no position to know or determine who grabs the contract or not, he however told them that the Nigerian government was highly interested in those that can transfer satellite technology knowledge to the army of Nigerian engineers so that they can become satellite builders and launchers in the future.

According to him, "it’s unfortunate that most of you signifying interest do not have business models that support transfer of technology and Nigeria does not have the leisure of spending huge sums of money to build satellites when her engineers can do little or nothing if anything goes wrong in it.

"If you are not interested in taking Nigerian engineers through the length and breadth of what it takes to do what you are doing, sorry, we may not be interested in your offer.

We are not going to be stampeded or blackmailed with how amateur the Chinese companies are in satellite manufacture or launching but if they are the ones that can open our engineers' eyes in this technology, let them have it," he added. Gwandu noted that even satellites built by world renowned corporations also fail.

The satellite industry, like others, has its share of mishaps. Hotbird 3, owned and operated by Eutelsat had its solar array damaged in October 2006. Japan Aerospace Exploration Agency lost its MTSAT 1R in April 2006. The satellite failed to operate and lost attitude on 16 April. However, it was regained 16 hours later.

This happened about a year after it was originally launched. PanAmSat lost its PAS 6 communication satellite in 2004 due to significant loss of power. It was built by the highly reputable SpaceSystems/Loral (SS/L)

Even recently Satellite fleet operator Intelsat, reported, that one of the two principal reflector antennas on its just-launched New Dawn telecommunications satellite for South Africa failed to deploy in orbit and that release of the other antenna will await attempts to force the first one to spring loose.
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Old June 15th, 2011, 09:18 PM   #14
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Builders scramble for Nigeria’s second satellite contract

Technology Wednesday, June 15, 2011




Quote:
By Prince Osuagwu

Different satellite builders and service providers across the world are at the moment polishing their briefcases ready to storm Nigeria to slug it out for who grabs the contract to build the country's second communications satellite.


According to reliable sources, the process of getting the second and possibly third satellites off ground would begin immediately after the launch of NigComSat-1R later in the year.

NigComSat-1R is the replacement of Nigeria's communications satellite, NigComSat-1, which developed faults and was subsequently de-orbited in November 2008, 18 months after it was launched.

After attempts by NigComSat engineers and the satellite manufacturer, China Great Wall Industry Corporation (CGWIC) failed to rescue the satellite, China Wall settled for a replacement, resulting in the NigComSat-1R which is reported to be nearing completion and ready to launch by the fourth quarter of this year.

The country seems to have realised that those going into the business of communications satellite must provide back-ups against any eventuality. This is particularly, when it has become obvious that a communication satellite would help a country like Nigeria, in strengthening broadcast operations, boost broadband development, monitor and track railway, sea and air haulages, on different routes, just as it would equally help in controlling national security issues.

This eventually makes the Nigerian communications satellite contract, plum for world renowned satellite builders and indeed, at the recently concluded Satellite Communications, SATCOM Conference in Johannesburg, South Africa, interests were high among satellite builders, service providers and ancillary operators on who grabs the contract. Most of the arguments on why companies other than the China Great Wall should secure the contract included that Chinese companies were allegedly amateurs in satellite business.

However, Nigerian officials including engineers, who attended the event, did not buy any of the arguments but rather maintained that the major edge to securing the contract was a superior technology transfer business policy.

cations Commission, NCC, Engr Bashir Gwandu, on enhancing Africa's access to ICTs via satellite, multitude of satellite builders and launchers from Europe and America swarmed around to enquire on activities surrounding the contract of the second and third satellites for Nigeria.

Some of them openly signified interest, arguing that their long standing experience would give Nigeria's space experience some boost.

Although Gwandu in reply to those requests openly declared that he was in no position to know or determine who grabs the contract or not, he however told them that the Nigerian government was highly interested in those that can transfer satellite technology knowledge to the army of Nigerian engineers so that they can become satellite builders and launchers in the future.

According to him, "it’s unfortunate that most of you signifying interest do not have business models that support transfer of technology and Nigeria does not have the leisure of spending huge sums of money to build satellites when her engineers can do little or nothing if anything goes wrong in it.

"If you are not interested in taking Nigerian engineers through the length and breadth of what it takes to do what you are doing, sorry, we may not be interested in your offer.

We are not going to be stampeded or blackmailed with how amateur the Chinese companies are in satellite manufacture or launching but if they are the ones that can open our engineers' eyes in this technology, let them have it," he added. Gwandu noted that even satellites built by world renowned corporations also fail.

The satellite industry, like others, has its share of mishaps. Hotbird 3, owned and operated by Eutelsat had its solar array damaged in October 2006. Japan Aerospace Exploration Agency lost its MTSAT 1R in April 2006. The satellite failed to operate and lost attitude on 16 April. However, it was regained 16 hours later.

This happened about a year after it was originally launched. PanAmSat lost its PAS 6 communication satellite in 2004 due to significant loss of power. It was built by the highly reputable SpaceSystems/Loral (SS/L)

Even recently Satellite fleet operator Intelsat, reported, that one of the two principal reflector antennas on its just-launched New Dawn telecommunications satellite for South Africa failed to deploy in orbit and that release of the other antenna will await attempts to force the first one to spring loose.
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Old June 15th, 2011, 11:24 PM   #15
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Didnt they say it was going to be Russian built before???
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Old June 16th, 2011, 11:04 AM   #16
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i acutally thought it was supposed to be chinese, but since the last chinese one failed im not surprised they're shopping
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Old June 17th, 2011, 02:27 PM   #17
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Originally Posted by Naijaborn View Post
Didnt they say it was going to be Russian built before???
NigeriaSat 2 and NigeriaSat X are remote sensing satellites both are going to be launched on a russian/ukraine Dnepr rocket from a launch site in Yasny, Russia. NigeriaSat 2 is build around the british manufactured SSLT 300 bus while NigeriaSatX is based on the SSLT100 platform. Launch date: June 2011.

NIGCOMSAT 1R is chinese build communication satellite launched as a replacement for the failed NIGCOMSAT 1 to be launch on a chinese CZ-3B/E rocket from Xichang, China. Launch date: October-December 2011.
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Last edited by Artemis; June 18th, 2011 at 12:30 PM. Reason: SSLT
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Old June 24th, 2011, 09:57 PM   #18
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FG launches first indigenous satellite July 7


Quote:

Friday, June 24, 2011
By VICTORIA OJEME & CALEB AYANSINA


ABUJA – The Federal Government yesterday fixed July 7 to launch its first made in Nigeria spacecraft, known as NIGERIASAT-X, alongside that designed and built by foreigners, NIGERIASAT-2.



At present, Nigeria has only one satellite in the orbit, and the launch of these two satellites will increase the number to three, making Nigeria the second African country, besides Egypt with 4 satellites.

Director General, National Space Research and Development Agency, NASRDA, Dr. Seidu Mohammed, who disclosed this at a briefing on the launch of Nigeria two high resolution satellites, said the project cost the country 34 millions pounds.

He said NIGERIASAT-X depicted the ingenuity of Nigerians, as it was designed and built by Nigerian engineers trained in building of spacecraft with good configuration.

"NIGERIASAT-X is the ingenuity of our engineers who have undergone training in the design and building of satellite.

It depicts Nigeria's first effort at developing satellites and will be launched alongside NIGERIASAT-2. NIGERIASAT-2 is a high resolution satellite with a 2.5m GDS in the panchromatic channel and it is an improvement on NigeriaSat-1 which had a resolution of 32m”.
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Old July 23rd, 2011, 09:53 AM   #19
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Quote:
Pierre Omidyar
The Omidyar Network, founded by eBay’s billionaire founder, Pierre Omidyar has awarded a $200,000 grant to fund the Co-Creation Hub, Nigeria’s first open living lab and pre-incubation space. The hub has also received a $45,000 grant from the Indigo Trust, a unit of the Sainsbury Family Charitable Trusts of the U.K.

According to a press release, the Co-creation Hub is a “non-profit, social enterprise centered around a shared work space where stakeholders from multiple walks of Nigerian life come together to collaboratively create tech-based solutions that address social challenges facing Nigerian society. It will be Nigeria’s first multi-functional, multi-purpose space dedicated to the creation of social technology ventures.”

The Hub will be a geek heaven of sorts, a place where techies, software developers, mobile and web programmers, government, tech companies, hackers and venture capitalists can converge to collectively create ground breaking mobile, web and software technologies that will solve social and tech-related problems around Africa, create job opportunities, and secure Nigeria’s place in the global league of tech superpowers. The co-creation hub is scheduled to launch operations in August this year.

Founded by tech enthusiasts Bosun Tijani and Femi Longe the hub will accommodate about 50-60 tech start-ups at a time and will provide a plethora of pre-incubation services including, but not limited to: training, mentorship from seasoned professionals in the technology industry and access to local and international venture capitalists. The hub will also serve as a place for stakeholders to convene, develop strategic partnerships, brainstorm on ideas and collaborate through focus groups, meet-ups, hackathons, competitions and talks by seasoned tech entrepreneurs and venture capitalists.

This is not the first time the Omidyar network is supporting the creation of a tech hub in Africa. Last year, the Omidyar network along with Hivos of Netherlands funded the iHub, Kenya’s first tech innovation hub to meet the incubation needs of the country’s ever-growing tech community. iHub, founded by Ushahidi co-founder Erik Hersman, is multi-functional in scope, serving as an open community workspace for numerous techies, a hub for investors and venture capitalists and an incubator for tech entrepreneurs. iHub officially opened to the Kenyan public in March 2010, and already boasts over 4,500 programmers, developers and entrepreneurs in its network.

Several innovation hubs are springing up across Africa. In February 2008, the Meltwater Entrepreneurial School of Technology (MEST) was established in Accra, Ghana. MEST, a non-profit tech incubator, was founded by Jorn Lyseggen, a Norwegian software entrepreneur, and provides training, mentorship, incubation and funding for Ghanaian software developers, providing local jobs in the process. One of the successful startups to emerge from MEST is Leti Games, a mobile game development company which creates arcade and strategy games set in traditional African settings.
http://blogs.forbes.com/mfonobongnse...ubator-200000/
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Old July 23rd, 2011, 09:57 AM   #20
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John Dabiri, an associate professor of aeronautics and bioengineering at California Institute of Technology (Caltech), United States, holds a B.S.E. degree from Princeton University, United States, and an M.S. and Ph.D. from Caltech. SEYI GESINDE writes on the achievements of this young African-American, born to Nigerian parents, whose academic work recently fetched him the $500,000 MacArthur Fellowship, popularly called “Genius Grant,”thereby emerging the youngest scholar to receive what is now known as a “Genius Grant” from MacArthur Foundation.

•Ebony Magazine “Power 100” Most Influential Black Americans (2010) •Presidential Early Career Award for Scientists and Engineers (2009)
•Popular Science Magazine “Brilliant 10” Scientists (2008) •Office of Naval Research Young Investigator Award (2008)
•Donald Coles Prize for Best Experiment, California Institute of Technology (2005) •Winner, American Physical Society Gallery of Fluid Motion (2004)
•Oral Presentation Award, Southern California Biomedical Engineering Symposium (2002) •John Marshall II Memorial Prize for Independent Research, Princeton University (2001)
•Morgan W. McKinzie Senior Thesis Prize Finalist with Distinction, Princeton University (2001) •Grade of A with Distinction (A+), B.S.E. Thesis, Princeton University (2001).

Young Nigerian scholar, Professor John Dabiri is an accomplished man, whose age is not commensurate with his achievements in life. Within a short period of his ascendancy into the academic world, John has almost risen to the peak of his career. Today, he is being addressed as a professor in the field of Aeronautics and Bioengineering at California Institute of Technology (Caltech), United States, a distinct academic symbol he earned to himself at the age of 30.

At present, John is an assistant professor at the Graduate Aeronautical Laboratories, with a combined honour in Bioengineering at Caltech. He assumed this position after he graduated in June, 2001 from Princeton University, United States, with a B.S.E. degree summa cumlaude in Mechanical and Aerospace Engineering.

It was in September of that same year he started off at Caltech, as a National Defence Science and Engineering Graduate Fellow, Betty and Gordon Moore Fellow, and Y.C. Fung Fellow in Bioengineering.

There, with Professor Morteza Gharib, as his supervisor, John earned an M.S. degree in Aeronautics in June 2003, after which he bagged a Ph.D. in April, 2005, in Bioengineering with a minor in Aeronautics.

On completion of his doctorate degree, John teamed up with the Caltech faculty in May, 2005, and in 2008, he was selected as an Office of Naval Research Young Investigator for research in bio-inspired propulsion. Thereafter, the Popular Science Magazine named him one of its “Brilliant 10” scientists.

John, a specialist in mechanics and dynamics of biological propulsion, theoretical fluid dynamic, energy conversion, evolutionary biology, and biomechanics focused his research works on unravelling the secrets of one of the earliest means of animal locomotion, what he did was to study some of the simplest multicellular organisms, jellyfish medusae, which propel themselves by contracting cells in their bell-shaped outer skin and generating jet forces in the tail end, with tentacles trailing behind.

His research from a theoretical engineering perspective shows that “elucidating the mechanisms of locomotion depends on detailed mathematical analysis of the fluid vortex rings that jellyfish form in the surrounding water by contracting their bell.”

Now, John’s research results have “significantly increased scientists’ knowledge of the impact of size and speed on the formation of optimal vortex rings,” the reason being that his research submission shows that “the relative impact of viscosity on propulsion decreases with greater size,” and with his “fluid dynamics theory,” the implication is that “rowing becomes a more efficient means of locomotion as animals grow larger.”

It was this research work that won him the $500,000 MacArthur Foundation grant. The MacArthur Fellows Programme award is an unrestricted fellowships to talented individuals, who have shown extraordinary originality and dedication in their creative pursuits and a marked capacity for self-direction.

There are three criteria for selection of Fellows: exceptional creativity, promise for important future advances based on a track record of significant accomplishment, and potential for the fellowship to facilitate subsequent creative work. With this stated criteria, was not only qualified, he merited the award.

John did not stop at his findings, with colleagues who supported him, he went forther to confirm the experimentally of his research result by examining propulsion during maturation and in adult specimens of varying size across hundreds of species, and they also found that a hybrid jet-paddling motion brings the advantage of drawing nearby prey into the bell, where the tentacles can capture them.

With this experiment, John had successfully invented “a method that allows divers to use tiny reflective particles to visualise, with high speed and fine spatial resolution, the fluid dynamics of propulsion by jellyfish in their native habitats.”

This technique provides a wealth of new data that can be used to test and refine models of vortex behaviour. The conclusion now is that John’s research “has profound implications not only for understanding the evolution and biophysics of locomotion in jellyfish and other aquatic animals, but also for a host of distantly related questions and applications in fluid dynamics, from blood flow in the human heart to the design of wind power generators.”

http://www.tribune.com.ng/sat/index....hn-dabiri.html
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