Study

Study shows safety and efficacy of radio-wave therapy for liver cancer patients

Study shows safety and efficacy of radio-wave therapy for liver cancer patients

Researchers at Wake Forest School of Medicine have shown that a targeted therapy using non-thermal radio waves is safe to use in the treatment of hepatocellular carcinoma (HCC), the most common type of liver cancer. The therapy also showed a benefit in overall survival. The study findings appear online in 4Open, a journal published by …

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Study paves the way to a new drug design concept

Study paves the way to a new drug design concept

Hydrogen peroxide reacts with copper to produce hydroxyl radicals with strong antibacterial properties. However, this requires high copper concentrations because two copper atoms have to come close together, which occurs by chance. Now, scientists at Tokyo University of Science, Japan, engineered a long polymer with copper-containing side units that create regions with locally high copper …

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Reactive behavior is a common way to handle unexpected uncertainty, study says

Reactive behavior is a common way to handle unexpected uncertainty, study says

Jul 31 2021 People around the world dramatically changed their shopping behaviors at the start of the COVID-19 pandemic. Stocking up on toilet paper – bizarre as it may be – helped many people regain a sense of control at the start of the pandemic. Photo: Shutterstock. Faced with new uncertainty, shoppers began stocking up …

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Melanoma mutations result from a chemical conversion in DNA fueled by sunlight, study reports

Melanoma mutations result from a chemical conversion in DNA fueled by sunlight, study reports

The mutations that give rise to melanoma result from a chemical conversion in DNA fueled by sunlight -; not just a DNA copying error as previously believed, reports a study by Van Andel Institute scientists published today in Science Advances. The findings upend long-held beliefs about the mechanisms underlying the disease, reinforce the importance of …

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Study reveals source of DNA mutations in melanoma

Study reveals source of DNA mutations in melanoma

Melanoma in skin biopsy with H&E stain — this case may represent superficial spreading melanoma. Credit: Wikipedia/CC BY-SA 3.0 The mutations that give rise to melanoma result from a chemical conversion in DNA fueled by sunlight—not just a DNA copying error as previously believed, reports a study by Van Andel Institute scientists published today in …

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Researchers develop two complementary bladder models to study UTIs

Researchers develop two complementary bladder models to study UTIs

Urinary tract infections (UTIs) are among the most common bacterial infections. They usually require treatment with antibiotics, and almost a quarter of treated cases lead to recurrent infection. The vast majority of UTIs are caused by a subspecies of the bacterium Escherichia coli, which infect cells that line the bladder wall and form what are …

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Brazil begins mass vaccine study in poor Rio neighborhood

Brazil begins mass vaccine study in poor Rio neighborhood

People arrive at a vaccination center on the first day of a three-day COVID-19 vaccination campaign for people over age 35 in the Complexo da Maré favela of Rio de Janeiro, Brazil, Brazil, Thursday, July 29, 2021. Some recipients will be monitored to study the rate of protection the vaccines provide and the extent to …

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Study quantifies the mortality cost of carbon emissions

Study quantifies the mortality cost of carbon emissions

A just-published study coins a new metric: the “mortality cost of carbon.” That is, how many future lives will be lost–or saved–depending on whether we increase or decrease our current carbon emissions. If the numbers hold up, they are quite high. The study was published today in the journal Nature Communications. Study author R. Daniel …

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Study examines the role of programmed cell death ligands in skin immune responses

Study examines the role of programmed cell death ligands in skin immune responses

T cells are a crucial part of the human adaptive immune system. In response to a foreign invader in the body, various subsets of T cells are responsible for several functions that include killing infected cells and secreting signaling molecules called cytokines that tell other immune cells where to go and what to do. Different …

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Younger diabetics more worried about COVID-19, says study

Younger diabetics more worried about COVID-19, says study

Credit: Pixabay/CC0 Public Domain Younger people with diabetes have significantly greater COVID-19 health concerns than older age groups, according to a new study published in the journal Primary Care Diabetes. Researchers surveyed almost 1,000 diabetic adults of all ages in Bangladesh during November and December 2020. Numbers were roughly split between people with Type 1 …

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