Tag: "introduces" at biology news

Microbes eat their way to better concrete

...ng materials," Bang said. "Our innovative approach introduces cutting-edge biotechnology in concrete crack remediation." The microbes seal concrete surface cracks with their metabolic byproducts. That's already been done, so Bang and Ramakrishnan plan to use genetic engineering to create microbes that produce e...

Body's own defense against H. pylori, cause of stomach ulcers and stomach cancer

...c inflammation associated with stomach ulcers, and introduces the possibility of preventing stomach cancer associated with H. pylori. Over fifty percent of the world's population is infected with H. pylori, yet only 2% are afflicted with stomach ulcers and only 1% with stomach cancer. A colla...

Infants sighs may 'reset' breathing regulation mechanism as well as help lungs develop

... not be the best pattern. However "the sigh itself introduces a significant increase in variability of both tidal volume and minute ventilation," which measures both respiratory rate and tidal volume. This variability lasts for about 15 breaths, they found, "after which time the system returns rapidly to a base...

Applied Mathematical Models in Human Physiology

.... Ottesen, Mette S. Olufsen, and Jesper K. Larsen, introduces mathematicians to real applications from physiology. Using mathematics to analyze physiological systems, the authors focus on models reflecting current research in cardiovascular and pulmonary physiology. In particular, they present models describing...

New model explains why costly insect 'outbreaks' hard to predict

...reaks than occur in the field. Dwyer's team introduces the host-pathogen-plus-predator model, which combines the stabilizing effect of dependable predators with the effects of disease, thus accounting more accurately for the ebb and flow of forest life. Based on painstaking lab and field resear...

JCI table of contents, 15 March 2004

...recognize and attack that pathogen. Likewise, TCV introduces an attenuated form of the autoimmune T cell, resulting in the immune system in some way eliminating or reducing the effect of the autoreactive T cell. The mechanisms underlying this response remain unclear, but have led the way to a new understandin...

Embryonic pig cell transplants halt rat diabetes

...h transplants. "Immunosuppressing a patient introduces a whole new set of dangers and side effects," says Hammerman. "Patients with type 1 diabetes have to ask themselves, would I rather take insulin, or would I rather take all these immunosuppressive drugs? It's not the greatest choice in the world." ...

Three personal ads for physics

...ng and punting while physics professor Timothy Gay introduces the crowd to such physics wonders as Newton's Laws of Motion. "Football fans love to see big hits," said Gay, who uses the physical nature of football to tackle public fear of physics. Gay also writes and appears in television programs that familiari...

UCR geneticist spells out consequences of genetically engineered genes escaping into wild species

... others concerned about the environment." The book introduces the reader to what is involved in the natural hybridization process. Ellstrand then describes what impact the hybridization between crops and their wild relatives has already had (e.g., evolution of weediness/invasiveness in the hybrids, the increas...

Genetic clues may show which women face breast cancer risk from HRT

...ormone replacement therapy in postmenopausal women introduces hormones present in very small amounts in such women. That means additional breast cell multiplication--and potentially greater breast cancer risk....

Articles on protected area management published in BioScience

...s. An additional overview article by Jamison Ervin introduces the other articles in the Special Section. It discusses the scope of assessments of management effectiveness and some of the differences between approaches....

Hypothesis linking flying foxes to high incidence of ALS/PDC gets boost from new study

...time, the study, supported by the ALS Association, introduces the role that biomagnification of neurotoxins might play in the development of symptoms similar to those of ALS, Parkinson's disease and Alzheimer's disease. The Chamorro people once had an incidence rate of ALS-parkinsonism dementia complex that was...

NYU scientists develop more accurate mathematical method to analyze genetic data

...ts. Mishra's team's new method for data analysis introduces a novel way of statistically manipulating the data to reduce the effect of noise, potentially reducing the need to generate additional data, as well as the time wasted from inaccurate results. The finding was published in the July 28 issue of the Pro...

Stanford researchers devise novel gene therapy technique

...ably replaced the mutated gene in this disease and introduces a new gene therapy technique that could be useful in a wide range of diseases. "We're very hopeful," said study leader Paul Khavari, PhD, associate professor of dermatology at Stanford. "This study was performed in mice but it targets grafted ...

First primate archaeological dig uncovers new tool development links

...d activity areas in rainforest environments. This introduces the possibility of tracing the development of at least one aspect of ape culture through time, said Mercader, a visiting assistant professor at GWU. Melissa Panger, a GWU post-doctoral research fellow who receives support through NSFs Integrative Gr...

ORNL technology gets nod from EPA

... mass spectrometry, the person conducting the test introduces sample materials directly into an ion trap mass spectrometer through a simple interface. No chromatographic separation is required, and the response of the instrument is nearly instantaneous. EPA's new Method 8265, developed by ORNL, embodies this te...

Study allays fears about the physical and psychological development of ICSI children

... are bypassed, and more specifically, because this introduces a sperm head with a complement of acrosomal enzymes1 that in natural fertilization have already been discarded." He said that initial studies suggested that there might be an increased risk of mild delays in development at one year of ICSI children c...

Understanding lens development

...on. This discovery of coordinated Pax6/Sox2 action introduces the possibility of further Pax/Sox protein interactions in the regulation of other developmental pathways....

Older fathers more likely to have children with schizophrenia

...produce through division. Each successive division introduces a slight risk of error in the genetic material of the new sperm, which is passed on to the children. In women, by contrast, almost all of the divisions in eggs occur before their birth and the eggs don't continue to divide as they age. "I would gues...

Study sheds new light on Lyme disease transmission

..." de Silva explained. "But that fact that the tick introduces so many different flavors probably explains an observation we made several years ago: Lyme spirochetes delivered by ticks are better at evading the host's immune response than cultured spirochetes injected into animals. The process of bacterial dive...

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