Biological Samples Current Events | Biological Samples News | 11
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Mean new microRNA data analysis method gives sharper results
Our understanding of the importance of microRNAs in regulating gene expression is expanding, and with it our requirement for robust methods to measure their expression levels. view more (2009-06-16)
Conserving historic apple trees
The apple trees of yesteryear are slowly disappearing. Many apple varieties common in the United States a century ago can no longer be found in today's orchards and nurseries. view more (2009-11-05)
Electronic tongue detects mold
Not only can an electronic tongue monitor the prevalence and growth of microorganisms, it can also sense the difference between various forms of fungi and bacteria. This is shown in a dissertation by Charlotte Söderström submitted at Linköping University. An objective of the project as a whole is to be able to make use of an... view more... (2003-05-20)
The Montreal Children's Hospital of the MUHC begins search for causes of autism
Dr. Eric Fombonne, from the Research Institute of the MUHC at the Montreal Children's Hospital, is involved in a multi-site consortium to gather DNA samples from 2,000 autism patients and their families over the next three years. view more (2008-05-08)
Just like old times: Generating RNA molecules in water
A key question in the origin of biological molecules like RNA and DNA is how they first came together billions of years ago from simple precursors. view more (2009-11-23)
New holographic method could be used for lab-on-a-chip technologies
Researchers at Purdue University have developed a technique that uses a laser and holograms to precisely position numerous tiny particles within seconds, representing a potential new tool to analyze biological samples or create devices using nanoassembly. view more (2008-12-03)
New system would use rotating magnetic field to detect pathogens
Researchers at Purdue and Duke universities have developed a technique that uses a magnetic field to selectively separate tiny magnetic particles, representing a highly sensitive method for potentially diagnosing disease by testing samples from patients. view more (2007-10-30)
Bacteria in household dust may trigger asthma symptoms
New research shows that bacteria lurking in household dust produce chemicals that may trigger asthma and asthma-related symptoms such as wheezing. view more (2005-09-07)
Lucky find off Galapagos
During an expedition off the South American coast, an international team of ocean scientists discovered that the gases ethane and propane are widespread, and are being produced by microorganisms in deeply buried sediments. view more (2006-09-22)
Death by hyperdisease
It took less than a decade for native rats to become extinct on the Indian Ocean's previously uninhabited Christmas Island once Eurasian black rats jumped ship onto the island at the turn of the 20th century. view more (2008-11-05)
More gene mutations linked to autism risk
More pieces in the complex autism inheritance puzzle are emerging in the latest study from a research team including geneticists from The Children's Hospital of Philadelphia, the University of Pennsylvania School of Medicine and several collaborating institutions. view more (2009-06-26)
Computer Model Predicts Brain Tumor Growth and Evolution
Researchers from Brown University and other institutions have developed a computational computer model of how brain tumors grow and evolve. view more (2009-05-19)
Chlamydia can be caught in the Net
The Internet and the mail proved to be good aids in tracing chlamydia among young men. The results of an acclaimed project at Ume'å University in Sweden are now being published in the September issue of the journal Eurosurveillance. With this method, 39 percent (396 of 1,016 interviewees), which is the highest published participation rate... view more... (2003-08-27)
If You Are Down, You May Be More Likely To Get Infections
The association between depression and immune response is not yet clear. The biological mechanisms by which depression alters the immune system is not yet understood. The purpose of this study was to investigate the longitudinal relationship between depressive symptoms and cellular immune response. A cohort study with a baseline measurement and... view more... (2003-09-01)
Swine flu genes dissimilar to past pandemics
Some genetic markers of influenza infection severity have been identified from past outbreaks. Researchers have failed to find most of these markers, described in the open access journal BMC Microbiology, in samples of the current swine-flu strain. view more (2009-05-07)
Climate change and the rise of atmospheric oxygen
Today's climate change pales in comparison with what happened as Earth gave birth to its oxygen-containing atmosphere billions of years ago. view more (2006-03-23)
Chemicals used as Preservatives Detected in Human Breast Tumours
New evidence to be published in the Journal of Applied Toxicology indicates that parabens, chemicals found in underarm cosmetics and other products, can be detected in human breast tumours. Previous suggestions have been made that certain components of underarm cosmetics may contribute to the rising incidence of breast cancer. Although the... view more... (2004-01-09)
Analysis of alcoholics' brains suggests treatment target
An analysis of brain tissue samples from chronic alcoholics reveals changes that occur at the molecular level in alcohol abuse - and suggests a potential treatment target, according to researchers from Wake Forest University School of Medicine. view more (2008-05-05)
Semiconductor membrane mimics biological behavior of ion channels
A semiconductor membrane designed by researchers at the University of Illinois could offer more flexibility and better electrical performance than biological membranes. view more (2007-07-13)
Scientists discover key factor in regulating placenta and fetal growth
Scientists funded by the Biotechnology and Biological Sciences Research Council (BBSRC) have shown that a common biological protein molecule called SHP-2 is crucial for encouraging placenta growth. view more (2009-09-21)
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