Peptides

Frog peptides block HIV in lab study

In the human brain, cells talk to one another through the routine exchange of electrical signals. But when people fall into a deep sleep, the higher regions of the brain - regions that during waking hours are a bustling grid of neural dialogue - apparently lose their ability to communicate effectively, causing consciousness to fade. Writing today (Sept. 30) in the journal Science, a team o...

Scientists identify 36 genes, 100 neuropeptides in honey bee brains

From humans to honey bees, neuropeptides control brain activity and, hence, our behaviors. Understanding the roles these peptides play in the life of a honey bee will assist researchers in understanding the roles they play in their human counterparts. There are a million neurons in the brain of a honey bee (Apis mellifera), a brain not much larger than the size of the period at the end of...

Peptides at Biology Products

Peptides from Thermo Scientific

Description:Thermo has established an expertise in the forefront of chemical peptide synthesis - both for solid support synthesis and synthesis in solution. Our Functional Peptides are controlled by Mass Spectrometry and analytical HPLC at no extra cost, thus we can provide products that meet the highest quality standard. Our team of expert peptide scientists will support you starting from th...
Company:Thermo Scientific

Recombinant Expression of Peptides and Proteins: from rPeptide, LLC

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Company:rPeptide, LLC

Peptides from Thermo Scientific

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Company:Thermo Scientific

Uniform 13C, 15N, Labeling of Peptides and Proteins new from rPeptide, LLC

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Company:rPeptide, LLC

Peptides at Biology Technology

Structural Analysis of Glycosylated Peptides in Complex Mixtures with Ion Trap MSn

Structural Analysis of Glycosylated Peptides in Complex Mixtures with Ion Trap MS Shiaw-Lin Wu, Pavel Bondarenko, Tom Shaler, Paul Shieh, and William S. Hancock The data presented here can be acquired using...

2D-LC analysis of phosphopeptides in brain tissue using Ettan MDLC and Finnigan LTQ

phosphopeptide • two-dimensional liquid chromatography (2D-LC) • Ettan MDLC • LC-MS/MS • reversed-phase chromatography (RPC) • strong cation exchange (SCX) chromatography • linear ion trap mass spectrometer A 2D–LC-MS method was developed to analyze phospho-peptides in mouse brain tissue. The...

Sensitive identification of phosphopeptides in brain tissue using Ettan MDLC and Finnigan LTQ

GE Healthcare, Uppsala, Sweden A 2D–LC-MS method was developed to analyse phosphopeptides in mouse brain tissue. The trypsin-digested tissue was separated by strong cation exchange chromatography (SCX), followed by reversed-phase chromatography (RPC) using Ettan MDLC. The detection was...

Efficient Primary Structure Elucidation of Disulfide-bridged Peptides

The primary structure determination of disulfide bridged peptides is greatly facilitated using a combination of the Procise cLC 492 s...

Separation of Peptides by Hydrophilic Interaction Chromatography Using TSKgel Amide-80

Authors: T.J. Higley, Tosoh Bioscience LLC, Tatsunari Yoshida, Tosoh Corporation The TSKgel Amide-80 column provides excellent selectivity for separating peptides in hydrophilic interaction chromatography due to polar carbamoyl functionalities bonded to a silica base material....

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Specific Imbalance Between Two Peptides may Cause Alzheimer's

Researchers at Rensselaer Polytechnic Institute have challenged the current theory on the causes and prevention of Alzheimers disease , suggesting that a specific imbalance between two peptides may be responsible for preventing this form of dementia. "We have found that two peptides, AB42 and AB40, must be in balance for normal function," said Chunyu Wang, lead researcher and assist...

Appetite-regulating Peptides Influence Alcohol Cravings

A new study has confirmed that appetite-regulating peptides leptin and ghrelin influence alcohol cravings for some alcoholics. Craving, a powerful urge to drink, is an important contributor to the development and maintenance of alcoholism. Professor Otto Lesch of the University of Vienna has divided patients of alcohol dependence into four groups Type 1 that refers t...

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Helix BioMedix to Discuss Potential of Its Proprietary Peptides at the BIO International Convention

BOTHELL, Wash., April 18, 2007 /PRNewswire-FirstCall/ -- HelixBioMedix, Inc. today announced that Timothy Falla, Ph.D, ChiefScientific Officer, will present an update on the company's newgeneration of small molecule peptide (lipohexapeptide) technologyat the BIO International Convention. The convention will take placeat the Boston Convention & Exhibition Center in Boston, MA fromMay...