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Pesticides May Be Responsible For Reproductive Abnormalities

Categorie : Biology / Biochemistry
A farm irrigation canal would seem a healthier place for toads than a ditch by a supermarket parking lot. But University of Florida scientists have found the opposite is true. In a study with wide implications for a longstanding debate over whether agricultural chemicals pose a threat to amphibia ...

read more A farm irrigation canal would seem a healthier place for toads than a ditch by a supermarket parking lot. But University of Florida scientists have found the opposite is true. In a study with wide implications for a longstanding debate over whether agricultural chemicals pose a threat to amphibia read more Sat Jul 2008 Sat Jul 2008

Profitable Chemicals From Biodiesel Waste

Categorie : Biology / Biochemistry
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 online in the journal Metabolic Eng ...

read more 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 online in the journal Metabolic Eng read more Wed Jul 2008 Wed Jul 2008

$1.5 Million Grant For Nanoparticle Cancer Research

Categorie : Biology / Biochemistry
A biomedical engineering assistant professor at The University of Texas at Austin has been awarded a $1.5 million National Institutes of Health/National Cancer Institute grant to conduct nanoparticle cancer research. Grant recipient James Tunnell says the five-year project will include collabora ...

read more A biomedical engineering assistant professor at The University of Texas at Austin has been awarded a $1.5 million National Institutes of Health/National Cancer Institute grant to conduct nanoparticle cancer research. Grant recipient James Tunnell says the five-year project will include collabora read more Wed Jul 2008 Wed Jul 2008

Plants And Mammals Respond To Light In Similar Way

Categorie : Biology / Biochemistry
A new report published in the open-access journal PLoS Biology examines the effect that light has on humans and animals. Most of us are familiar with how light affects the growth and development of plants (phototropism, for example, describes how plants grow towards light), but researcher Nath ...

read more A new report published in the open-access journal PLoS Biology examines the effect that light has on humans and animals. Most of us are familiar with how light affects the growth and development of plants (phototropism, for example, describes how plants grow towards light), but researcher Nath read more Wed Jul 2008 Wed Jul 2008

BioTime, Inc. And Embryome Sciences, Inc. Launch Embryome.com And The International Embryome Initiative

Categorie : Biology / Biochemistry
BioTime, Inc., (OTCBB:BTIM) and its wholly-owned subsidiary Embryome Sciences, Inc. announced the launch of Embryome.com and the International Embryome Initiative, an international collaboration with scientists around the world to create the first systematic map of all the cell types derived from h ...

read more BioTime, Inc., (OTCBB:BTIM) and its wholly-owned subsidiary Embryome Sciences, Inc. announced the launch of Embryome.com and the International Embryome Initiative, an international collaboration with scientists around the world to create the first systematic map of all the cell types derived from h read more Wed Jul 2008 Wed Jul 2008

Leukocyte InFusion Therapy Begins Clinical Trial Following Cancer 'Cure' In Mice

Categorie : Biology / Biochemistry
Scientists at Wake Forest University Baptist Medical Center are about to embark on a human trial to test whether a new cancer treatment will be as effective at eradicating cancer in humans as it has proven to be in mice. The treatment will involve transfusing specific white blood cells, called g ...

read more Scientists at Wake Forest University Baptist Medical Center are about to embark on a human trial to test whether a new cancer treatment will be as effective at eradicating cancer in humans as it has proven to be in mice. The treatment will involve transfusing specific white blood cells, called g read more Wed Jul 2008 Wed Jul 2008

Chemotherapy Resistance Overcome In The Lab Using Re-Purposed Malaysian Folk Medication

Categorie : Biology / Biochemistry
Researchers from McGill University's Faculty of Medicine have discovered a compound that reduces resistance to chemotherapy agents used to treat cancer. Their results were published in the June issue of The Journal of Clinical Investigation (JCI). Dr. ...

read more Researchers from McGill University's Faculty of Medicine have discovered a compound that reduces resistance to chemotherapy agents used to treat cancer. Their results were published in the June issue of The Journal of Clinical Investigation (JCI). Dr. read more Wed Jul 2008 Wed Jul 2008

At Specific Signal Threshold, Cancer Cells Revert To Normal

Categorie : Biology / Biochemistry
Cancer starts when key cellular signals run amok, driving uncontrolled cell growth. But scientists at the Stanford University School of Medicine report that lowering levels of one cancer signal under a specific threshold reverses this process in mice, returning tumor cells to their normal, healthy s ...

read more Cancer starts when key cellular signals run amok, driving uncontrolled cell growth. But scientists at the Stanford University School of Medicine report that lowering levels of one cancer signal under a specific threshold reverses this process in mice, returning tumor cells to their normal, healthy s read more Wed Jul 2008 Wed Jul 2008

Medical Diagnostics Could Be Revolutionized By New Electrostatic-Based DNA Microarray Technique

Categorie : Biology / Biochemistry
The dream of personalized medicine - in which diagnostics, risk predictions and treatment decisions are based on a patient's genetic profile - may be on the verge of being expanded beyond the wealthiest of nations with state-of-the-art clinics. A team of researchers with the U.S. ...

read more The dream of personalized medicine - in which diagnostics, risk predictions and treatment decisions are based on a patient's genetic profile - may be on the verge of being expanded beyond the wealthiest of nations with state-of-the-art clinics. A team of researchers with the U.S. read more Wed Jul 2008 Wed Jul 2008

Supercomputer Used To Track Pathways In Myoglobin

Categorie : Biology / Biochemistry
Some 50 years ago, after decades of effort, John Kendrew determined the structure of the small globular protein, myoglobin, which is responsible for oxygen storage in cells. For this discovery, he shared the Nobel Prize in chemistry with Max Perutz, who did similar work on hemoglobin. ...

read more Some 50 years ago, after decades of effort, John Kendrew determined the structure of the small globular protein, myoglobin, which is responsible for oxygen storage in cells. For this discovery, he shared the Nobel Prize in chemistry with Max Perutz, who did similar work on hemoglobin. read more Wed Jul 2008 Wed Jul 2008

Tugging At Molecules With Optical Tweezers

Categorie : Biology / Biochemistry
MIT researchers have developed a novel technique to measure the strength of the bonds between two protein molecules important in cell machinery: Gently tugging them apart with light beams. ...

read more MIT researchers have developed a novel technique to measure the strength of the bonds between two protein molecules important in cell machinery: Gently tugging them apart with light beams. read more Wed Jul 2008 Wed Jul 2008

Reducing The Carbon "Hoofprint" Of Cows

Categorie : Biology / Biochemistry
Milk goes green: Cows that receive recombinant Bovine Somatotropin (rbST) make more milk, all the while easing natural resource pressure and substantially reducing environmental impact, according to a Cornell University study to be published in the Proceedings of the National Academy of Sciences (Ju ...

read more Milk goes green: Cows that receive recombinant Bovine Somatotropin (rbST) make more milk, all the while easing natural resource pressure and substantially reducing environmental impact, according to a Cornell University study to be published in the Proceedings of the National Academy of Sciences (Ju read more Wed Jul 2008 Wed Jul 2008

Researchers Are First To Simulate The Binding Of Molecules To A Protein

Categorie : Biology / Biochemistry
You may not know what it is, but you burn more than your body weight of it every day. Adenosine triphosphate (ATP), a tiny molecule that packs a powerful punch, is the primary energy source for most of your cellular functions. Now researchers at the University of Illinois have identified a key st ...

read more You may not know what it is, but you burn more than your body weight of it every day. Adenosine triphosphate (ATP), a tiny molecule that packs a powerful punch, is the primary energy source for most of your cellular functions. Now researchers at the University of Illinois have identified a key st read more Wed Jul 2008 Wed Jul 2008

Cellular Self-Eating Promotes Pancreatitis

Categorie : Biology / Biochemistry
To survive tough times, cells sometimes resort to a form of self-cannibalism called autophagy. But as Hashimoto et al. reveal, autophagy can have a down side, destroying the pancreas by prematurely activating a digestive enzyme. In autophagy, a vesicle swallows a portion of cytoplasm and ferries ...

read more To survive tough times, cells sometimes resort to a form of self-cannibalism called autophagy. But as Hashimoto et al. reveal, autophagy can have a down side, destroying the pancreas by prematurely activating a digestive enzyme. In autophagy, a vesicle swallows a portion of cytoplasm and ferries read more Wed Jul 2008 Wed Jul 2008

Egg Colour Mimicry In The Common Cuckoo Cuculus Canorus As Revealed By Modelling Host Retinal Function

Categorie : Biology / Biochemistry
Do cuckoos effectively mimic their hosts? Here it is assessed from a host perspective whether the colour design of cuckoo eggs of different races maximizes matching for two favourite avian hosts. Secondly, it is assessed the role of nest luminosity on host perception of matching. ...

read more Do cuckoos effectively mimic their hosts? Here it is assessed from a host perspective whether the colour design of cuckoo eggs of different races maximizes matching for two favourite avian hosts. Secondly, it is assessed the role of nest luminosity on host perception of matching. read more Wed Jul 2008 Wed Jul 2008

Functional Group Diversity Of Bee Pollinators Increases Crop Yield

Categorie : Biology / Biochemistry
In a study on the functional role of biodiversity in tropical agroforestry systems, we found that pollinator diversity, but not abundance, was positively related to seed set of pumpkin. Furthermore, we classified species due to differences in spatiotemporal resource use and within-flower behaviour i ...

read more In a study on the functional role of biodiversity in tropical agroforestry systems, we found that pollinator diversity, but not abundance, was positively related to seed set of pumpkin. Furthermore, we classified species due to differences in spatiotemporal resource use and within-flower behaviour i read more Wed Jul 2008 Wed Jul 2008

Fish Odour Triggers Conspecific Attraction Behavior In An Aquatic Invertebrate

Categorie : Biology / Biochemistry
Group living has evolved as an adaptation to predation in many animal species. In a multitude of vertebrates, the tendency to aggregate varies with the risk of predation, but experimental evidence for this is less well known in invertebrates. Here, we examine the tendency to aggregate in the freshwa ...

read more Group living has evolved as an adaptation to predation in many animal species. In a multitude of vertebrates, the tendency to aggregate varies with the risk of predation, but experimental evidence for this is less well known in invertebrates. Here, we examine the tendency to aggregate in the freshwa read more Wed Jul 2008 Wed Jul 2008

Female Bushcrickets Fuel Their Metabolism With Male Nuptial Gifts

Categorie : Biology / Biochemistry
In some animals, such as bushcrickets, males donate a nutritious gift to a potential mate, and females ingest this so-called nuptial gift during copulation. Previously it was thought that most nuptial gift nutrients are routed to egg production. But, recent studies with isotopically labeled nuptial ...

read more In some animals, such as bushcrickets, males donate a nutritious gift to a potential mate, and females ingest this so-called nuptial gift during copulation. Previously it was thought that most nuptial gift nutrients are routed to egg production. But, recent studies with isotopically labeled nuptial read more Wed Jul 2008 Wed Jul 2008

Predicting The Fate Of A Living Fossil: How Will Global Warming Affect Sex Determination And Hatching Phenology In Tuatara?

Categorie : Biology / Biochemistry
Climate warming will affect animals in many ways, including the sex of some species' offspring. For tuatara, unique and ancient reptiles from New Zealand, warmer nest temperatures produce male-biased clutches. We predicted sex ratios and hatching times of tuatara clutches under future climate scenar ...

read more Climate warming will affect animals in many ways, including the sex of some species' offspring. For tuatara, unique and ancient reptiles from New Zealand, warmer nest temperatures produce male-biased clutches. We predicted sex ratios and hatching times of tuatara clutches under future climate scenar read more Wed Jul 2008 Wed Jul 2008

Thermo Fisher Scientific Has A PCR Plate To Suit All Major Thermal Cyclers

Categorie : Biology / Biochemistry
Thermo Fisher Scientific Inc., the world leader in serving science, believes it has a Thermo Scientific ABgene® PCR plate to fit every major thermal cycler available. This offers the same reliable, reproducible performance in PCR and QPCR applications no matter what cycler is used. Laboratories usin ...

read more Thermo Fisher Scientific Inc., the world leader in serving science, believes it has a Thermo Scientific ABgene® PCR plate to fit every major thermal cycler available. This offers the same reliable, reproducible performance in PCR and QPCR applications no matter what cycler is used. Laboratories usin read more Wed Jul 2008 Wed Jul 2008

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