Tag: "biological" at biology news

New designer lipid-like peptide with lipid nanostructures for drug delivery systems

...rategies for the encapsulation and the delivery of biological active materials. They detailed their findings in...ation of water-insoluble drugs and the delivery of biological active materials. Currently, many anticancer drugs are difficult to deliver to patients due to t...

First confirmed common genetic risk factors for breast cancer

...that these five genes code for proteins crucial to biological activities that previously had not been implicated as triggers of breast cancer. The genes carry the DNA recipes for proteins important to the growth and duplication of body cells and the signalling, or communications, that must occur between cells ...

How plague-causing bacteria disarm host defense

...esistant strains of Yersinia that could be used in biological warfare, according to Navarro. The genus Yersinia includes three species of bacteria that are pathogenic to humans: Y. pestis is perhaps the most infamous, being responsible for the bubonic plague (also known as the Black Death), which killed mor...

MIT researchers probe bones' tiny building blocks

...appointments in materials science and engineering, biological engineering, mechanical engineering and the Harvar...ation techniques to different types of mineralized biological materials such as armored scales from ancient fish and seashells. ...

MIT-led team uncovers malaria mechanism

...appointments in materials science and engineering, biological engineering, mechanical engineering and the Harvard-MIT Division of Health Sciences and Technology, has been studying the mechanics of red blood cells and the effects of malaria on those cells for several years. When the malaria parasite, Plasmodiu...

A nurse makes the decision on who will live

... cell into itself, and the function of this unique biological phenomenon during T cell development is the focus of studies performed by Dr. Guyden at The City College of New York and his colleagues at Tuskegee University. Thymic nurse cells were discovered in 1980. Their existence was heavily debated because...

Tiny genes may increase cancer susceptibility, Jefferson scientists find

...te in Buffalo. MiRNAs play a number of roles in biological regulation, including development and cell differentiation, helping to determine what type a cell ultimately becomes. But when damaged, they can contribute to cancer by either turning on cancer-causing genes or by inhibiting tumor-blocking genes. The...

Einstein researchers' discover 'radiation-eating' fungi

... the amount of radiation energy being converted to biological energymay need to be recalculated," says Dr. Artur...t most fungal species. But up until now, melanin's biological role in fungiif any--has been a mystery. "Just as the pigment chlorophyll converts sunlight into ...

Genome Canada, Gnome Qubec and Universit de Montral launch P3G Consortium and CARTaGENE Project

...tists. In its first phase this epidemiological and biological data bank is seeking the participation of 20 000 Quebec residents aged 40 to 69. The CARTaGENE data will provide better insight into how genes interact and how the environment influences their interaction. "As a leader in population genetics, CARTaGE...

Revelle family endows UC San Diego chair honoring Roger Revelle

...hic exploration presaging plate tectonics, and the biological effects of radiation in the marine environment, and studies of human population growth and global food supplies." He was among the most sought-after speakers on science and public policy and was a prolific author with wide-ranging interests. Recogn...

Jet lag: It's all about chemical reactions in cells

Circadian clocks regulate the timing of biological functions in almost all higher organisms. Anyone w... by Cornell and Dartmouth researchers explains the biological mechanism behind how circadian clocks sense light through a process that transfers energy from light...

Novel sugar-to-hydrogen technology promises transportation fuel independence

... said Y.-H. Percival Zhang, assistant professor of biological systems engineering at Virginia Tech. Using synthetic biology approaches, Zhang and colleagues Barbara R. Evans and Jonathan R. Mielenz of ORNL and Robert C. Hopkins and Michael W.W. Adams of the University of Georgia are using a combination of 13...

A new wrinkle in evolution -- man-made proteins

...nding just the right combinations to help generate biological diversity. Yet no one can predict how the string of amino acids sequence folds to make the 3-D functional structure of a protein. To select the raw ingredients to create the proteins, Chaputs group (which includes Harvard collaborator Jack Szostak...

Mice, men make livers differently

...for human biology and disease, because their basic biological processes are assumed to be essentially the same a..." said Ernest Fraenkel, MIT assistant professor of biological engineering and leader of the research team. "Comparing these different ways of regulating genes ma...

Decoding gene expression in cancer tumors using noninvasive imaging

... studied what the various genes were doing and the biological activity they were involved in such as angiogenesis or cell growth. We also looked at how the genes contributed to a particular phenotype in the liver tumor seen on the CT scans, for example, the presence of characteristics vessels, or the tumor's t...

BioMed Central announces new interdisciplinary Biofuels Journal

... application of biotechnology to improve plant and biological conversion systems for production of fuels from biomass. A peer-reviewed, open access journal, Biotechnology for Biofuels will begin accepting article submissions this summer. The journal is being edited by some of the leaders in biofuels researc...

U of M researchers find new, more effective treatment for toxic shock syndrome

... Shock Syndrome, it also is considered a potential biological weapon," explained Schlievert. "With that in mind, the small amount of V-beta needed for SEB neutralization makes this a truly significant discovery and useful therapy." Approximately 3 out of every 100,000 people will get TSS annually. In addition,...

In a first, scientists develop tiny implantable biocomputers

...niversity have made a crucial step toward building biological computers, tiny implantable devices that can monitor the activities and characteristics of human cells. The information provided by these "molecular doctors," constructed entirely of DNA, RNA, and proteins, could eventually revolutionize medicine by ...

Study of protein folds offers insight into metabolic evolution

...volutionary history of protein architecture across biological networks. "We are interested in how structure evolves, not how organisms evolve," said professor of crop sciences Gustavo Caetano-Anolls, principal researcher on the study, which was co-written by graduate student Hee Shin Kim and emeritus professo...

Clock gene plays role in weight gain, study finds

...e that participates in the regulation of the bodys biological rhythms may also be a major control in regulating metabolism. Their finding shows that mice lacking the gene Nocturnin, which is regulated by the circadian clock in the organs and tissues of mammals, are resistant to weight gain when put on a high fa...

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(Date:10/17/2014)... Copenhagen have shown for the first time how bacteria ... patients, giving them the opportunity to get tremendous insights ... The study also discovered the bacterial growth in chronic ... or slowed down by the immune cells. The researchers ... helped "suffocate" the bacteria, forcing the bacteria to switch ...
(Date:10/16/2014)... conventional thinking on how the bowel lining develops and, ... bowel cancer starts. , The researchers produced evidence that ... ,crypts, that are a feature of the bowel lining, ... cancer development, a controversial finding as scientists are still ... imaging technologies, Dr Chin Wee Tan and Professor Tony ...
(Date:10/15/2014)... N.Y. , Oct. 15, 2014 ... solutions for home and community-based care, today announced ... of implementing Sandata,s Santrax® Electronic Visit Verification™ Solution ... Services is a home health company founded in ... Texas . The study ...
Breaking Biology News(10 mins):Scientists opens black box on bacterial growth in cystic fibrosis lung infection 2Cryptic clues drive new theory of bowel cancer development 2Sandata Announces Case Study with Quality Care Services, Inc. 2
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