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A new way to ‘freeze’ water

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In an experiment, the researchers demonstrated that it is possible to more than double the amount of time, from the clinical standard approach, that red blood cells can be stored. At present, red blood cells can be stored for a maximum of 42 days. Using this new approach, it was possible to extend this up to 100 days.

Alongside the immediate practical applications, the researchers also believe that this discovery could enable fundamental scientific research by making it possible to study liquid phase reactions at a much lower temperature than is currently possible.

Heck, who knows — although this approach studiously avoids actual freezing, maybe it could prompt advances in the kind of long-term cryogenic preservation process that scientists, sci-fi authors, and, allegedly, Walt Disney have speculated about for years.

“We are now focused on increasing the volume of the preserved liquid phase from the 1-100 milliliter range to 500 milliliters to enable mass preservation of samples,” Usta continued. “[We also want to translate] our approach to the preservation of exotic cell types and organs, such as the liver, since our center already has a very active cell and organ preservation research thrust. Through collaborations, we are also looking into further understanding our observations by conducting [additional] computational and laboratory experiments.”

A paper describing the work was recently published in the journal Nature Communications.

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Health & Lifestyle

Cote d’Ivoire: Destroying the Killer Rice

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Authorities in Cote d’Ivoire have destroyed 18,000 tonnes of rice declared to be unfit for human consumption.

This follows tests carried out by the country’s consumer association which had demanded the government to do so after the cargo from Myanmar had been refused entry in Togo, Guinea and Ghana over quality issues.

The national and international quality control tests revealed the unfit nature of the rice.

It should be noted that most African countries depend on imports because local farmers are unable to meet the ever rising demands.

Source: Africanews

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Mali: Donkeys deliver vaccines as diseases spike with violence

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Reuters DAKAR –

With spiraling ethnic violence exposing more children in Mali to fatal diseases, health workers are using donkeys and boats to deliver life-saving vaccines, charities said on Wednesday.

In the central Mopti region – where 157 people died in one attack last month – suspected measles cases rose five-fold in one year to 98 in 2018, U.N. children’s agency UNICEF said, due to a four-fold jump in unvaccinated children to 70,000.

Motorcycles, which health workers used to reach remote villages, have been banned to reduce militant activity, forcing them to use traditional means like horses, it said.

“The problem of vaccination is directly linked to the current conflict,” said Patrick Irenge, medical coordinator for the charity Medecins Sans Frontieres (MSF), which is using cars and boats as mobile clinics to reach cut off communities.

“If there is a lull in the violence, a small window that opens, we organize a vaccination campaign.”

Last month’s massacre was the deadliest to date in a conflict between Dogon hunters and Fulani herders which has displaced tens of thousands of civilians in the West African country since it escalated last year.

Pneumonia is one of the top killers of children in Mali and it can be prevented with vaccines – as can measles – but it is too dangerous for many parents to venture out with children.

“Transport is difficult because we don’t have the means to rent a vehicle or a horse cart,” said Aissata Barry, a 34-year-old mother in the village of Kankelena, about 4 km (2.5 miles) from the nearest health center in the town of Sofara.

“There are rapists on the road. That’s what we’re afraid of,” she told the Thomson Reuters Foundation by phone, adding that one of her neighbors was raped two weeks ago.

Mamadou Kasse, a local health worker who vaccinated Barry’s children, said the number of children he can reach each day has fallen since he swapped his motorbike for an eight-hour ride in a donkey cart with a cooler full of vaccines.

Reporting by Nellie Peyton; Editing by Katy Migiro. Please credit the Thomson Reuters Foundation, the charitable arm of Thomson Reuters, that covers humanitarian news, women’s and LGBT+ rights, human trafficking, property rights, and climate change. Visit news.trust.org

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