chemistry 2 5

Tag: "chemistry" at biology news

UCLA scientists strengthen case for life more than 3.8 billion years ago

...t have become central to the debate, including the chemistry of water and the interaction of water and rock. "The chemical evidence for life has been challenged, as have been the minerals to determine whether life was present, whether the rocks have the origin that was originally attributed to them, and whethe...

Selenium-protein deficiency raises prostate cancer risk

...; Steven Swanson, associate professor of medicinal chemistry and pharmacognosy; Lynn Birch, research specialist in urology; Vera Ray, clinical assistant professor of pathology; Sadam Hedayat, distinguished professor of statistics; and Daniel Lantvit, research specialist in pharmaceutical sciences. ...

Finding a better way to make biodiesel

... a meter in diameter. But fill them with the right chemistry and Iowa State scientists say the tiny nanospheres...us and John Verkade, both University Professors of chemistry at Iowa State. The researchers are part of Iowa State's Center for Catalysis. Their project is bein...

African parasite makes component of fat differently from all other organisms

...ays Paul Englund, Ph.D., a professor of biological chemistry in the Institute of Basic Biomedical Sciences at Hopkins. "Several years ago we found that it does actually make myristate as well as other fatty acids, and now we found that it uses a biochemical pathway we never knew to look for." They learned ab...

How plants avoid feeling the burn

...o was lead author on the paper, contributions from chemistry and biochemistry professors Devens Gust, Tom Moore and Ana Moore of ASU's Center for the Study of Early Events in Photosynthesis were instrumental in the project. "The initial interest was to more fully understand how photosynthesis works," said Fi...

Many cleaners, air fresheners may pose health risks when used indoors

...ene-based glycol ethers; and an examination of the chemistry that occurs when such products are used indoors ?in particular, products that contain a reactive group of chemicals called terpenes. Ethylene-based glycol ethers are common, water-soluble solvents used in a variety of cleaning agents, latex paints a...

Pest control research leads to pain control discovery

...oxx and Celebrex, but without the changes in blood chemistry linked to heart attacks. Vioxx and Celebrex belong...mbination of Vioxx with the new sEHIs shifts blood chemistry toward the normal condition which may reduce the tendency toward blood clots," said UC Davis scienti...

Synthetic molecule causes cancer cells to self-destruct

...ptosis," said Paul J. Hergenrother, a professor of chemistry at the University of Illinois at Urbana-Champaign and corresponding author of a paper to be posted online this week ahead of regular publication by the journal Nature Chemical Biology. "By bypassing the broken pathway, we can use the cells' own machi...

Marine 'dead zone' off Oregon is spreading

...s and any time you change the fundamental physics, chemistry and nature of the system, it's a serious concern," Barth said. Jane Lubchenco, the Valley Professor of Marine Biology at OSU and principle investigator for PISCO, also said that the biological monitoring of species health and impacts in t...

Rice scientists make first nanoscale pH meter

... Electrical and Computer Engineering, professor of chemistry and director of Rice's Laboratory for Nanophotonics (LANP). For example, pH may be useful in determining whether or not some cancer tumors are malignant. With current methods, a piece of the tumor would need to be physically removed via biopsy ?a pa...

Ocean acidification threatens cold-water coral ecosystems

...come slightly more acidic. This change in seawater chemistry could harm deep-sea calcifying animals like corals. Cold-water corals that make their skeletons from aragonite ?a form of calcium carbonate (the main component of limestone) ?are most vulnerable. Cold-water, reef-building corals are prevalent in th...

VCU Massey Cancer Center researchers identify a new class of anti-cancer drugs based on platinum

...ere exposed to each drug. "In platinum antitumor chemistry our objective is to design and develop complexes acting by new mechanisms of action," said Nicholas Farrell, Ph.D., professor and chair in the Department of Chemistry at VCU, and lead author of the study. "Resistance to current drugs is due to poor c...

FDA approves first medical device using rutgers biomaterial

...w Jersey Center for Biomaterials (CBM) in Rutgers' chemistry laboratories," said Joachim Kohn, CBM director and...mically, arose from an adaptation of combinatorial chemistry to biomaterials. "Our approach uses two sets of starting materials that are combined with each other...

Heparin prepared synthetically could replace animal-derived drug

...ct with Jian Liu, assistant professor of medicinal chemistry at University of North Carolina at Chapel Hill. Graduate and post-doctoral students involved in the work include: Jinghua Chen (UNC-Chapel Hill), Eva Munoz (Rensselaer), Fikri Avci (Rensselaer), Ding Xu (UNC-Chapel Hill), Melissa Kemp (Rensselaer), a...

Berkeley researchers lay groundwork for cell version of DNA chip

...t appears in the latest issue of the international chemistry journal Angewandte Chemie. The other authors are Erik Douglas, Richard Mathies, Carolyn Bertozzi and Matthew Francis. The paper is entitled: Programmable Cell Adhesion Encoded by DNA Hybridization. Many of the vast assortment of biological cells...

U-M researchers take new approach to defeating Gram-negative bugs

..., we were right," said Woodard, chair of medicinal chemistry at the University of Michigan College of Pharmacy....per. Other members of the team were U-M medicinal chemistry doctoral students Timothy Meredith and Parag Aggarwal. Meredith, lead author of the publication, has...

New gene reduces retinal degeneration in fruit flies

...raig Montell, Ph.D., a professor in the biological chemistry department in the Institute of Basic Biomedical Sciences at Hopkins. The researchers also discovered that alterations in this new gene greatly reduce the retinal degeneration caused by a different mutant. They named this new gene Lazaro after the no...

Georgia Tech accelerates drug discovery with new IBM supercomputing cluster

... "Systems biology integrates mathematics, physics, chemistry and biology with advanced, high performance computing and engineering. Bioinformatics and systems biology allow us to utilize the vast information growing out of the sequencing of the human genome, enabling drug developers to reduce the number of com...

Molecule by molecule, new assay shows real-time gene activity

...sing current technologies," says Xie, professor of chemistry and chemical biology in Harvard's Faculty of Arts and Sciences. "Our experiments provide the most sensitive means to date of observing real-time activity of single molecules inside cells. This new technique could provide us with unprecedented insight...

Scientists seek to unwrap the sweet mystery of the sugar coat on bacteria

... Mahal, lead researcher and assistant professor of chemistry and biochemistry with the Institute for Cellular and Molecular Biology. "The carbohydrate coating is critical in how your immune system recognizes bacteria." Mahal and graduate student Ken Hsu report their findings in the advance on-line edition an...

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