Body

Mount Sinai researchers discover technology that silences genes

Mount Sinai researchers have developed a new gene silencing technology that could be used to target genes that can lead to the development of certain diseases. This technology could pave the way for preventing diseases where gene dysfunction plays a role. The groundbreaking research was led by Ming-Ming Zhou, Ph.D., Professor and Chairman of the Department of Structural and Chemical Biology at Mount Sinai School of Medicine. The findings, which will be published in the September issue of Nature Cell Biology, are available on the magazine's web site as of today.

Green catalysts provide promise for cleaning toxins and pollutants

PHILADELPHIA—Tetra-Amido Macrocyclic Ligands (TAMLs) are environmentally friendly catalysts with a host of applications for reducing and cleaning up pollutants, and a prime example of "green chemistry." Carnegie Mellon University's Terry Collins, the catalyst's inventor, believes that the small-molecule catalysts have the potential to be even more effective than previously proven. Collins will discuss how iron-TAMLs (Fe-TAMLs) work and areas for further research, citing evidence from mechanistic and kinetic studies of the catalyst on Monday, Aug.

Chemists make beds with soft landings

RICHLAND, Wash. -- Bedsprings aren't often found in biology. Now, chemists have succeeded in making a layer of tiny protein coils attached to a surface, much like miniature bedsprings in a frame. This thin film made of stable and very pure helices can help researchers develop molecular electronics or solar cells, or to divine the biology of proteins.

New 52-city report examines use of wastewater in urban agriculture

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Synthetic moleculues could add spice to fight against cancer

COLUMBUS, Ohio – Seeking to improve on nature, scientists used a spice-based compound as a starting point and developed synthetic molecules that, in lab settings, are able to kill cancer cells and stop the cells from spreading.

The researchers are combining organic chemistry, computer-aided design and molecular biology techniques in developing and testing pharmaceutical compounds that can fight breast and prostate cancer cells. The synthetic molecules are derived from curcumin, a naturally occurring compound found in the spice turmeric.

Newly detected air pollutant mimics damaging effects of cigarette smoke

Chemists move closer toward developing safer, fully-synthetic form of heparin

Researchers create safer alternative to heparin

Troy, N.Y. — Robert Linhardt has spent years stitching together minuscule carbohydrates to build a more pure and safer alternative to the commonly used and controversial blood thinner heparin. At the national conference of the American Chemical Society on August 17, 2008, Linhardt announced that his research team may have accomplished this task by building the first fully synthetic heparin. Their creation is the largest dose of heparin ever created in the lab.

Cataloguing invisible life: Microbe genome emerges from lake sediment

When entrepreneurial geneticist Craig Venter sailed around the world on his yacht sequencing samples of seawater, it was an ambitious project to use genetics to understand invisible ecological communities. But his scientific legacy was disappointing – a jumble of mystery DNA fragments belonging to thousands of unknown organisms.

Toward plastic spin transistors

Survivors of 1918 flu pandemic protected with a lifetime immunity to virus

New research has discovered that infection and natural exposure to the 1918 influenza virus made survivors immune to the disease for the remaining of their lives. Antibodies produced by cells isolated from these survivors served as an effective therapy to protect mice from the highly lethal 1918 infection. The study entitled "Neutralizing antibodies derived from the B cells of 1918 influenza pandemic survivors," was released for advanced online publication by the journal Nature.

Analysis of Lake Washington microbes shows the power of metagenomic approaches

WALNUT CREEK, CA—Today's powerful sequencing machines can rapidly read the genomes of entire communities of microbes, but the challenge is to extract meaningful information from the jumbled reams of data. In a paper appearing in Nature Biotechnology August 17, a collaboration headed by researchers at the University of Washington and the U.S. Department of Energy Joint Genome Institute (DOE JGI) describes a novel approach for extracting single genomes and discerning specific microbial capabilities from mixed community ("metagenomic") sequence data.

APA task force calls for reframing research to address resilience among black youth

WASHINGTON— African-American youth have proven they can bounce back after facing hardship and adversity, yet the majority of studies on this population still focus on the negative outcomes of risk factors, according to a task force of the American Psychological Association.

A report released today by APA's Task Force on Resilience and Strength in Black Children and Adolescents calls for reframing research to better understand "how certain factors traditionally considered risk factors can be reconceptualized as adaptive or protective processes."

Heads-up study of hair dynamics may lead to better hair-care products

Improved technique determines structure in membrane proteins

CHAMPAIGN, Ill. — Understanding the form and function of certain proteins in the human body is becoming faster and easier, thanks to the work of researchers at the University of Illinois.

By combining custom-built spectrometers, novel probe designs and faster pulse sequences, a team led by Illinois chemistry professor Chad Rienstra has developed unique capabilities for probing protein chemistry and structure through the use of solid-state nuclear magnetic resonance spectroscopy.