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Wildlife researchers identify impacts of contamination in amphibians
Bill Hopkins, fisheries and wildlife associate professor in Virginia Tech's College of Natural Resources, and colleagues doing research at the Savannah River Ecology Laboratory and in the field, have demonstrated that amphibians are exposed to contaminants through maternal transfer, as has been proven for other vertebrates. view more (2006-02-22)
Protein suppresses prostate cancer, enhances effects of vitamin E
Researchers have identified a protein that disrupts an important signaling pathway in prostate cancer cells and suppresses growth of the cancer. view more (2005-11-01)
Selenium-protein deficiency raises prostate cancer risk
Selenium, an essential dietary mineral that can act as an antioxidant when incorporated into proteins, has been shown in many studies to reduce the incidence of cancers - notably lung, colorectal and prostate. view more (2006-05-23)
New fertilizer SRM can help control heavy metal content
A new reference material developed by the National Institute of Standards and Technology (NIST) can help the agriculture industry and state regulators monitor the concentrations of several potentially hazardous heavy metal contaminants in fertilizers. view more (2006-10-13)
Injection may prevent infertility in men receiving cancer chemotherapy
It may be possible to protect the testes of cancer patients against the loss of fertility caused by chemotherapy, a scientist told the 22nd annual conference of the European Society of Human Reproduction and Embryology in Prague, Czech Republic. view more (2006-06-21)
Dietary modifications may not benefit cancer patients
One study, a meta-analysis of 59 trials, found little evidence that diet is associated with survival or prognosis. The other study suggests that neither use of garlic nor vitamin supplements delays the progression of precancerous gastric lesions to cancer. view more (2006-07-19)
Transition Metal Selenites (Mn, Co, Ni, Fe, Cu, Zn and Cd)
The work involved a multidisciplinary task, undertaking the study of phases of mineralogical and physico-chemical interest. Selenites were synthesised, given that they are a new field and likely to present original physical properties. view more (2005-09-30)
Use of some antioxidant supplements may increase mortality risk
Contradicting claims of disease prevention, an analysis of previous studies indicates that the antioxidant supplements beta carotene, vitamin A, and vitamin E may increase the risk of death. view more (2007-02-28)
First Genome Comparison of Plankton Species Yields Surprises Underlying Key Ocean Processes
An international team of scientists led by Scripps Institution of Oceanography at UC San Diego and the Department of Energy's (DOE) Joint Genome Institute has peered into the genetic makeup of two species of phytoplankton, the tiny plants key in global photosynthesis and carbon cycling, and come away with surprising results about evolutionary... view more... (2007-05-01)
New moth variety disarms plants guarded by selenium
In new work, researchers report that the ability of plants to defend themselves by accumulating high levels of a toxic element can be overcome by some insects, and that such adaptation potentially echoes in the food web as other predators and parasites may in turn evolve to deal with high levels of the toxic element. view more (2006-11-21)
Fortified Milk Reduces Morbidity in Preschool Children
Consumption of milk fortified with specific micronutrients-zinc, iron, selenium, copper, vitamin A, vitamin C and vitamin E-significantly reduces diarrhea and acute lower respiratory illness among children in developing countries, according to researchers from the Johns Hopkins Bloomberg School of Public Health and the Center for Micronutrient... view more... (2006-11-30)
Antioxidant Selenium Offers No Heart-Disease Protection
Selenium does not protect against cardiovascular disease, despite its documented antioxidant and chemopreventive properties, analysis of a randomized placebo-controlled clinical trial covering 13 years has shown. view more (2006-04-26)
Connecting the sea, sky and human health
Tiny organisms living in the oceans could be playing a significant role in human health, an audience at this year's BA Festival of Science will hear today (8 September). Professor Peter Liss of the University of East Anglia (UEA) School of Environmental Sciences will talk about how microscopic marine organisms called plankton produces gases that... view more... (2003-09-01)
New metal crystals, formed on a cotton assembly line
Appropriating cellulose fibers from cotton and crystallizing them, scientists at Pacific Northwest National Laboratory have grown never-before-seen configurations of metal crystals that show promise as components in biosensors, biological imaging, drug delivery and catalytic converters. view more (2007-03-27)
To Benefit From Mushrooms
Mushrooms (of course, those grown in an ecologically safe area) accumulate many microelements good for human and animal health, in particular, selenium. The natural cycle of selenium was studied by a team from the Vernadsky Institute of Geochemistry and Analytical Chemistry in Moscow. The scientific... view more... (2002-03-21)
It takes two to fight cancer
New research at the Institute of Food Research shows that two food components recognised for their ability to fight cancer are up to 13 times more powerful when put to work together. The results are published in the latest issue of international journal Carcinogenesis. The study focuses on genes that play an important role in tumour formation,... view more... (2003-03-31)
The Right Food Can Improve Fertility
Roasted red peppers, mini crab cakes and Brazil nuts can all help to increase fertility. They will all feature in a special Fertility Buffet, laid on by Dr Margaret Rayman, Director of the MSc Course in Nutritional Medicine at the University of Surrey, on 3 July 2003. A good, balanced diet rich in fruit and vegetables (at least five portions a... view more... (2003-06-30)
Selenium Supplements May Increase the Risk of Type 2 Diabetes
Selenium, an antioxidant included in multivitamin tablets thought to have a possible protective effect against the development of type 2 diabetes, may actually increase the risk of developing the disease. view more (2007-07-16)
Microwave synthesis connects with the (quantum) dots
Materials researchers at the National Institute of Standards and Technology (NIST) have developed a simplified, low-cost process for producing high-quality, water-soluble "quantum dots" for biological research. view more (2008-06-13)
Atmosphere and Oceans Finely Balanced
The atmosphere and oceans exist in a delicate state of balance according to research co-ordinated by the University of East Anglia (UEA) and published this month by the Natural Environment Research Council (NERC). view more (2002-01-24)
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