pest

Ancient olfaction protein is shared by many bugs, offering new pest control target

In the battle against insect pests, new research indicates that it may all come down to the sense of smell. A group of Rockefeller University scientists who had previously identified a key gene essential for the sense of smell in fruit flies now shows that this gene's function appears to be evolutionarily conserved across very different insect species. Research by Leslie Vosshall's laborat...

UCSD discovery may help extend life of natural pesticide

A team led by biologists at the University of California, San Diego has discovered a molecule in roundworms that makes them susceptible to Bacillus thuringiensis toxin, or Bt toxin--a pesticide produced by bacteria and widely used by organic farmers and in genetically engineered crops to ward off insect pests. Their findings should facilitate the design and use of Bt toxins to prevent ins...

Scientists discuss improved biopesticides for locust control in West Africa

Two Virginia Tech scientists contributed by invitation to an international scientific meeting called by Abdoulaye Wade, president of Senegal, to identify strategies for the control of the ongoing locust outbreak in West Africa. Last year, locusts stripped fields of crops and trees of foliage across several countries, causing severe income and food supply loss. Larry Vaughan, associate pro...

Stealth Worms May Improve Insect Pest Control

Nematodes comprise a worm family so large it literally covers the earth. They range in size from less than a micron in length to as much as 26 feet. Worldwide interest has begun to focus on microscopic nematodes that live with symbiotic bacteria. "We study these nematodes -- which are actually insect killers -- not only to understand how diverse they are, but also to use them as biological contro...

UN successfully tests 'green' pesticide against locusts

A new method for manipulating macromolecules has been developed by researchers at the University of Illinois at Urbana-Champaign. The technique uses double-stranded DNA to direct the behavior of other molecules. In previous DNA nanotechnology efforts, duplex DNA has been used as a static lattice to construct geometrical objects in three dimensions. Instead of manipulating DNA alone into s...

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pest at Biology Products

Mouse Anti-Yersinia pestis F1 antigen Monoclonal Antibody, Unconjugated, Clone 1.F.1 from Abcam

Description:Mouse monoclonal [1.F.1] to Yersinia pestis F1 antigen ( Purified F1 antigen of Y. pestis vaccine strain EB....
Company:Abcam

Mouse Anti-Yersinia pestis F1 Antigen EB Strain Monoclonal Antibody, Unconjugated, Clone YPF19 from Meridian Life Science, Inc.

Description:MAb to Yersinia pestis F1 Ag. Yersinia pestis F1 Antigen EB Strain...
Company:Meridian Life Science, Inc.

Mouse Anti-Yersinia pestis F1 antigen Monoclonal Antibody, Unconjugated, Clone YPF19 from Novus Biologicals

Description:Mouse anti-Yersinia pestis F1 antigen, Monoclonal Antibody, Unconjugated ELISA: Use at an assay dependent dilution. IF: Use at an assay dependent dilution. WB: Use at an assay dependent dilution. Predicted molecular weight: 18 kDa. Not tested in other applications. Optimal dilutions/concentrations should be determined by the end user....
Company:Novus Biologicals

Mouse Anti-Yersinia pestis F1 antigen Monoclonal Antibody, Unconjugated, Clone YPF19 from Abcam

Description:Mouse monoclonal [YPF19] to Yersinia pestis F1 antigen ( for all tested applications)....
Company:Abcam

Mouse Anti-Yersinia pestis Capsular F1 Antigen Monoclonal Antibody, Unconjugated, Clone YBF19 from QED Bioscience Inc.

Description:This monoclonal antibody specifically recognizes Y. pestiscapsular F1 antigen. It does not cross-react with Y. pseudotuberculosisor Y. enterocolitica....
Company:QED Bioscience Inc.

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pest at Biology Technology

Fast Multi-Residue Pesticide Analysis in Soil and Vegetable Samples

The strict detection limits that are required for the quantitation of pesticide residues in food and environmental samples requires the use of very sensitive, selective, and rugged LC/MS/MS technologies. In this application note the benefits of using LC/MS/MS for this type of analysis...

Simultaneous Determination of Residues of Approximately 100 Pesticides and Metabolites in Fruit and Vegetables by LC/MS/MS

Many pesticides, which are difficult or generally not to analyse by GC/MS, can be identified and quantified by LC/MS/MS. After simple solvent extraction and fast cleanup the extracts are analysed using matrix-matched standards. The drawback of MS/MS methods is laborious parameter optimization for each target analyte. This effort can...

Determination of Polar Organophosphorus Pesticides in Aqueous Samples by Direct Injection Using HPLC/MS/MS

A very straightforward method for the analysis of the very polar organophosphorus pesticides (OPs), acephate, methamidophos, omethoate, oxydemeton-methyl, vamidothion, and monocrotophos in water has been developed. Large volume (1 ml) water samples were directly injected onto a RP18 HPLC column with a polar endcapping. The compounds were ionized using APCI and detected on a tandem mas...

Platypus receives $2.14M grant to develop personal pesticide monitors

MADISON, Wis. The grant is to continue development of a personal monitor for the measurement of low-dose, cumulative exposure to pesticides. The mo...

pest at Medicine News

Pesticide impairs male reproductive function

According to the May issue of the journal Epidemiology, high levels of DDT found in some Mexican workers suggest that pesticide can impair male reproductive function. The human body metabolises DDT to DDE. An international team of researchers took blood samples from 24 men aged 16 to 28 who had not been exposed to DDT in their work. In these men the high DDE levels correlated to low leve...

Male infertility in relation to pesticide

Exposure to pesticides and solvents can further lower fertility among infertile men, a new report suggests.The study shows these chemicals may worsen the effect of pre-existing genetic or medical risk factors for infertility. The authors stress the findings should be treated with caution because they involved a selected population of infertile men, from a productive farming region in A...

Link between pesticide and breast cancer

A new study has found that women with breast cancer are more likely to have traces of the pesticide DDT in their blood. A residue of the fungicide hexachlorobenzene (HCB) were present in them. The findings however do not conclude that DDT or HCB actually cause breast cancer. The pesticides banned in Canada and Europe is still used for mosquito control in developing countries. DDT, HCB and...

Pesticide exposure may cause Parkinson’s diseas

Scientists have reportd that exposure to pesticides may raise the risk f Parkinson’s disease considerably//. The more a person is exposed to the pesticides the highre are his chances of developing Parkinson’s. The reseaearchers have studied about 3000 people in Europan countries who either have suffered from the diseases or were of similar backgrounds and exposed to risk factors like p...

Exposure to Pesticides in Schools Produces Illnesses Among Employees, Students

The number of school children getting affected by illnesses due to exposure to //pesticides have increased significantly, from the figures of 1998 to 2002, reports a research in the recent issue of JAMA. “Exposure to pesticides in the school environment is a health risk facing children and school employees,” background information in the article states. Pesticides continue to be used b...

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Tapestry Pharmaceuticals to Present Data on TPI 287 at the 2007 AACR Annual Meeting

BOULDER, Colo., March 14, 2007 /PRNewswire-FirstCall/ --Tapestry Pharmaceuticals, Inc. today announced that it will presentnew data at the 2007 American Association for Cancer Research(AACR) Annual Meeting, April 14-18 in Los Angeles, Calif.Scientists from Tapestry Pharmaceuticals will discuss preclinicaldata on the Company's lead compound, TPI 287, in a posterpresentation entitled, "TPI...

pest at Medicine Dictionary

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