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Chemicals in Biological News

Potentially harmful chemicals found in forest fire smoke

RICHLAND, Wash. -- Researchers have detected common plant toxins that affect human health and ecosystems in smoke from forest fires. The results from the new study also suggest that smoldering fires may produce more toxins than wildfires - a reason to keep human exposures to a minimum during contr...

Research exposes the risk to infants from the chemicals used in liquid medicines

A team of medical scientists from the University of Leicester has published research which looks into the harmful substances in liquid medicines that premature babies are being exposed to. Research published today (Jan 20) ahead of print in the Fetal & Neonatal Edition of Archives of Disease ...

'Green' chemicals closer to market

Rice University and Roquette Frres have signed a licensing deal to enable bio-based production of succinic acid, a substance used in plastics, textiles, drugs and solvents and as a food additive. Roquette Frres, one of the world's most advanced starch and starch-derivatives businesses, was intr...

Benefits of breastfeeding outweigh risk of infant exposure to environmental chemicals in breastmilk

New Rochelle, NY, December 16, 2008A study comparing breastfed and formula fed infants across time showed that the known beneficial effects of breastfeeding are greater than the potential risks associated with infant exposure to chemicals such as dioxins that may be present in breastmilk, accordin...

Household exposure to toxic chemicals lurks unrecognized, researchers find

PROVIDENCE, R.I. [Brown University] Although Americans are becoming increasingly aware of toxic chemical exposure from everyday household products like bisphenol A in some baby bottles and lead in some toys, women do not readily connect typical household products with personal chemical exposure a...

Caltech researchers find dual-use sexual attraction and population-control chemicals in nematodes

PASADENA, Calif.--Organisms ranging from humans to plants to the lowliest bacterium use molecules to communicate. Some chemicals trigger the various stages of an organism's development, and still others are used to attract members of the opposite sex. Researchers at the California Institute of Tec...

Toxic chemicals found in common scented laundry products, air fresheners

A University of Washington study of top-selling laundry products and air fresheners found the products emitted dozens of different chemicals. All six products tested gave off at least one chemical regulated as toxic or hazardous under federal laws, but none of those chemicals was listed on the pr...

Research yields pricey chemicals from biodiesel waste

HOUSTON -- June 30, 2008 -- In a move that promises to change the economics of biodiesel refining, chemical engineers at Rice University have unveiled a set of techniques for cleanly converting problematic biofuels waste into chemicals that fetch a profit. The latest research is available onlin...

Holistic understanding: Ag chemicals in the environment

MADISON, WI, JUNE 2, 2008-- An understanding how environmental processes and agricultural practices interact to determine the transport and fate of agricultural chemicals in the environment is essential for effectively addressing the widespread degradation of surface and ground waters from past, p...

Do chemicals in the environment affect fertility?

Our day-to-day exposure to chemicals is on the increase. From food packaging to the air we breathe, every day contact with potentially-toxic substances could be affecting our health and our fertility. Researchers at The University of Nottingham are set to take part in one of the first studies ...

Detecting dangerous chemicals with lasers, exploring the brain's circuitry with light and more

WASHINGTON, April 22Nearly 6,000 researchers from around the world will present the latest breakthroughs in electro-optics, lasers and the application of light waves at the 2008 Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference (CLEO/QELS) May 4-9 at the San...

Green tea boosts production of detox enzymes, rendering cancerous chemicals harmless

PHILADELPHIA − Concentrated chemicals derived from green tea dramatically boosted production of a group of key detoxification enzymes in people with low levels of these beneficial proteins, according to researchers at Arizona Cancer Center. These findings, published in the August issue o...

New way to make sensors that detect toxic chemicals

COLUMBUS, Ohio -- Ohio State University researchers have developed a new method for making extremely pure, very small metal-oxide nanoparticles. They are using this simple, fast, and low-temperature process to make materials for gas sensors that detect toxic industrial chemicals (TICs) and biol...

Microbes in mud flats clean up oil spill chemicals

Micro-organisms occurring naturally in coastal mudflats have an essential role to play in cleaning up pollution by breaking down petrochemical residues. Research by Dr Efe Aganbi and colleagues from the University of Essex, presented at the Society for General Microbiology's meeting at Harrogate t...

Iowa State wins $18.5M grant to create NSF Center for Biorenewable Chemicals

AMES, Iowa The National Science Foundation has awarded Iowa State University and its research partners a five-year, $18.5 million grant to establish the NSF Engineering Research Center for Biorenewable Chemicals based at Iowa State. The award is part of the National Science Foundation's Genera...

New regulations tighten controls on restricted chemicals

This release is available in French . OTTAWA The Government of Canada is taking action to better control the sale of chemicals that can be used to make explosives. The Honourable Gary Lunn, Minister of Natural Resources, and the Honourable Stockwell Day, Minister of Public Safety, today ...

NAS report offers new tools to assess health risks from chemicals

Determining how thousands of chemicals found in the environment may be interacting with the genes in your body to cause disease is becoming easier because of a new field of science called toxicogenomics. A new report issued today by the National Academies of Sciences (NAS) recognizes the importan...

Enhancing activity of marijuana-like chemicals in brain helps treat

Marijuana-like chemicals in the brain may point to a treatment for the debilitating condition of Parkinson's disease. In a study to be published in the Feb. 8 issue of Nature, researchers from the Stanford University School of Medicine report that endocannabinoids, naturally occurring chemicals...

A silent pandemic: Industrial chemicals are impairing the brain development of children worldwide

Fetal and early childhood exposures to industrial chemicals in the environment can damage the developing brain and can lead to neurodevelopmental disorders (NDDs)--autism, attention deficit disorder (ADHD), and mental retardation. Still, there has been insufficient research done to identify the ind...

Pittsburgh researchers discover that certain chemicals in the blood may indicate brain injury

Researchers at Children's Hospital of Pittsburgh have found that increased levels of certain proteins in the blood or spinal fluid may signal brain injury in infants with vomiting, fussiness and several other common symptoms. Infants with shaken baby syndrome (SBS) ?the most common cause of seve...

Two chemicals boost immune cells' ability to fight HIV without gene therapy

A UCLA AIDS Institute study has discovered that two chemical compounds may help the immune systems of HIV-infected persons fight the disease without invasive gene therapy. Presented March 5 at the 2005 Palm Springs Symposium on HIV/AIDS, the new research demonstrates that the new chemicals activate...

Harmful chemicals may reprogram gene response to estrogen

New research shows that exposure to harmful chemicals and drugs during critical developmental periods early in life may actually "reprogram" the way certain genes respond to the female hormone estrogen. This genetic reprogramming may determine whether people with a genetic predisposition for a dise...

The hepatitis healing power of blueberry leaves

...nd identified it as proanthocyandin (a polyphenol similar to the beneficial chemicals found in grapes and wine). While proanthocyandin can be harmful, Kataoka an...ration against HCV was 100 times less than the toxic threshold, and similar chemicals are found in many edible plants, suggesting it should be safe as a dietary ...

Marine microbes creating green waves in industry

...robes with a type of enzyme called an amine oxidase. This could be key to cheaper, more efficient and sustainable process in the synthesis of valuable chemicals by both the pharmaceutical and agrochemical industries." Commenting on the findings, BBSRC Chief Executive Professor Doug Kell, said: "Green and Wh...

NIH stimulus funding supports Emory biomedical scientists

...p neurologists treat it earlier and possibly delay its progression. Certain chemicals produced as part of the brain's metabolism could signal the presence of the...ientists are testing magnetic resonance spectroscopy as a way to spot these chemicals in the brain. Impact of video viewing on infant learning TV programs...

Bladder cells feel stretch

...RPV4 is a primal stretch-detector in urothelial cells. Given that TRPV4 is critically involved in the sensing mechanism in the bladder, development of chemicals modulating TRPV4 activity may be useful for treatment of bladder disorders such as overactive bladder and pollakiuria." ...

AGU journal highlights -- Aug. 6, 2009

...emperature alone? New model shows how short-lived chemicals get to the stratosphere How ocean mass flows arou...002401 9. New model shows how short-lived chemicals get to the stratosphere The exchange of chemicals between the troposphere and the stratosphere can i...

'Green' energy from algae

... be cooled. Other advantages of the closed system are drastic savings of water and fertilizers. Double use of algae for the production of food or fine chemicals and subsequent energy production from the residualbiomass may also be conceivable. Posten's institute hosts one of the two KIT working groups focus...

Animal and plant communication at the ESA Annual Meeting

.... The key, says Whitehead, was the removal of chemicals on the bugs' exoskeleton. Using chromatography and...ry, the researchers compared the bugs' exoskeletal chemicals with that of the ants. "The chemicals in the bugs' cuticle matched that of the ants," sa...

Urban water ecology at the ESA annual meeting

...water runoff. This runoff can be problematic in cities where rainwater is funneled by streets and parking lots directly into streams, carrying with it chemicals and debris and increasing the risk of flash floods. But the plants on greenroofs can absorb some of this water "like a sponge being saturated," say...

'Microfluidic palette' may paint clearer picture of biological processes

... a Y-shaped channel etched into a second layer. These channels deliver test chemicals to the chamber. Fluid flow in and out of the short arms of each Y at consta...amber is balanced by filling it previously with a buffer solution, the test chemicals that migrate from the channels into the chamber do so almost entirely by di...

Cancer's distinctive pattern of gene expression could aid early screening and prevention

...on Scholar. "Every single tumor that anybody has looked at has aberrant change in DNA methylation. It's clearly not random." The environment, from chemicals leached from plastic or cigarettes, along with diet, sleep patterns even physical activity levels can result in these epigenetic changes that contribu...

Music is the engine of new U-M lab-on-a-chip device

...neeze onto and it would tell you if you have the flu. What hasn't been developed for such a small system is the pneumatics---the mechanisms for moving chemicals and samples around on the device." The U-M researchers use sound waves to drive a unique pneumatic system that does not require electromechanical v...

Warming climate threatens California fruit and nut production

.... Another option would be transitioning to different tree species or varieties that do not demand as much winter chill. There are also agricultural chemicals that can be used to partially make up for the lack of sufficient chilling in many crops, such as cherries. A better understanding of the physiological...

Iowa State University researchers develop process for 'surgical' genetic changes

...ola meal. Other plants could benefit as well. Removing the genes that are responsible for peanut allergies, or removing genes that produce harmful chemicals or anti-nutritionals in other crops are just a few of the immediate crop improvements that Wright and Townsend envision for this technology. ...

22nd Congress of the European College of Neuropsychopharmacology, Sept. 12-16, 2009, Turkey

... therapies to influence various neurotransmitter systems. The discovery of specific receptors in the brain has led to the identification of endogenous chemicals playing a crucial role in various physiological systems. For instance, the discovery of endocannabinoids has been of central importance in establishin...

New lab test offers better prediction of HIV microbicide safety

...s went right through the barrier and infected the T cells," says Dr. Herold. This result was no surprise, since nonoxynol-9 is a detergent, a class of chemicals known to be disruptive to cells. What was surprising, she says, was to observe the same result with cellulose sulfate ─ a sulfated polymer that...

Spontaneous assembly

...entists has taken a unique look at how thousands of bacterial membrane proteins are able to assemble into clusters that direct cell movement to select chemicals in their environment. Their results provide valuable insight into how complex periodic patterns in biological systems can be generated and repaired. ...

NTU professor discovers method to efficiently produce less toxic drugs using organic molecules

...ses the efficacy of the organocatalysis, making it a more efficient process, something that has not been demonstrated before. It also means that fewer chemicals are used in the synthesis process, making it a far more 'green' and less toxic process. Professor Zhong has written a paper on his discovery, which...

Dietary supplements manufacturers gain new tool to help ensure quality products

...labeling and storing products. The DSC draws its quality specifications from the United States PharmacopeiaNational Formulary (USPNF) and the Food chemicals Codex (FCC), USP's publications of standards for the identity, strength, purity and consistency of medicines and food ingredients, respectively. These...
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