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Nanotechnology Now - Press Release: Scientists create rechargeable swimming microrobots using oil and water


Nanotechnology Now
Droplets with tail-like filaments. Credit: Emily Lin.
Abstract:
By combining oil drops with water containing a detergent-like substance, the scientists found they could produce artificial swimmers that are able to swim independently and even harvest energy to recharge.
Scientists create rechargeable swimming microrobots using oil and water
London, UK | Posted on July 16th, 2021
The oil droplets use fluctuating temperature changes in their surrounding environment to store energy and to swim. When cooled, the droplets release thin tail-like threads into the environment. The friction generated between the tails and surrounding fluid, pushes the droplet causing them to move. On heating, the droplets then retract their tails returning to their original state, and harness the heat from their environment to recharge. ....

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Lateral flow tests are 95% effective at detecting Covid-19 when used at the onset of symptoms


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A new study by researchers at Queen Mary University of London, University of Oxford, Institute for Advanced Studies, Vienna, and the Medical University of Graz, has found that lateral flow tests detect Covid-19 with similar accuracy to laboratory-based PCR tests, providing they are used at the onset of infection and soon after symptoms start.
Lateral flow tests are cheaper and produce a result in just 30 minutes - much faster than the time it takes to receive a PCR test result, which can take 1-3 days. The finding could be pivotal to national strategies looking to tackle the next phase of the pandemic, especially as timely and rapid testing becomes even more important once the current restrictions lift in England. ....

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E-cigarettes more helpful than nicotine replacement treatments for dependent smokers


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E-cigarettes are more effective than nicotine replacement treatments in achieving long term smoking reduction and cessation, according to the results of a clinical trial by Queen Mary University of London.
Some 80 per cent of smokers receiving intensive treatment continue to smoke after a year. Smokers could benefit from approaches that reduce the harm from smoking without ceasing nicotine use, with an option to stop nicotine later on. Nicotine replacement treatments (NRT), such as nicotine patches, chewing gum, nasal/mouth spray and inhalators, have been licenced to do this for over 30 years. They work, especially if behavioural support is also provided, but the results are modest. ....

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Dr. Abubakar Bukola Saraki - Dr. Abubakar Bukola Saraki


Dr. Abubakar Bukola Saraki
WHO IS ABUBAKAR BUKOLA SARAKI?
He was born in 1962 to the family of former Senate Leader Olusola Saraki and Florence Saraki. Dr Abubakar Bukola Saraki is a medical doctor and Nigerian politician and is presently the Chairman and Founder of the Abubakar Bukola Saraki Foundation.
Dr Saraki attended King’s College, Lagos from 1973 to 1978 and then Cheltenham College in the United Kingdom from 1979 to 1981, he obtained his M.B.B.S(London) from the London Hospital Medical College of the University of London from 1982 to 1987. He worked in the United Kingdom in a number or hospitals in London, and surrounding counties for two years before returning to Nigeria to commence a career in that spans over two decades. ....

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