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Amino at Biology News

Amino acids in nectar enhance butterfly fecundity: A long awaited link

The fascinating interactions between flowers and their pollinators have resulted in a spectacular diversity of plants. In order to entice pollinators such as bees, flies or butterflies to visit and successfully pollinate their flowers, plants have evolved intriguing mechanisms and attractants, of which nectar is best known. Thirty years ago, researchers discovered that nectars of flowers...

Conserved amino acids play both structural and mechanistic roles in sandwich-like protein

The question of whether amino acids in sandwich-like proteins are there to stabilize the structure or to speed up the protein-folding process is best answered by "all of the above," according to researchers at Rice University in Houston. This discovery, reported in today's issue of the Proceedings of the National Academy of Sciences, could benefit future research on treatments for disease...

New technique helps researchers determine amino-acid charge

Measurements of the ion-current through the open state of a membrane-protein's ion channel have allowed scientists at the University of Illinois at Urbana-Champaign to obtain a detailed picture of the effect of the protein microenvironment on the affinity of ionizable amino-acid residues for protons. The findings, reported in the Dec. 15 issue of Nature, are expected to be welcome news for...

Use of amino acid supplement following a heart attack provides no benefit, may be harmful

Use of the amino acid supplement L-arginine following a heart attack does not improve certain cardiac functions and measurements and may be associated with an increased risk of death, according to a study in the January 4 issue of JAMA. L-arginine is a widely available dietary supplement and is publicized as having benefits for patients with hypertension, angina, heart failure and sexual d...

Changes in amino acids in the 1918 influenza virus cut transmission

Modest changes in the 1918 flu virus's hemagglutinin receptor binding site—a molecular structure critical for the spread of infection—stopped viral transmission in ferrets, according to a new study conducted by researchers at Mount Sinai School of Medicine and at the Centers for Disease Control and Prevention. The finding, published in the February 1 issue of Science, could have significant clini...
Amino at Biology Products

[14C(U)]-L-Amino Acid Mixture, 1mCi (37MBq) from PerkinElmer

Description:...
Company:PerkinElmer

[14C(U)]-L-Amino Acid Mixture, 250Ci (9.25MBq) from PerkinElmer

Description:...
Company:PerkinElmer

DNP-X acid, SE -- [6-(2,4-Dinitrophenyl)aminohexanoic acid, succinimidyl ester] from AnaSpec

Description:Fluorescein-CSCSSLMDKECVYFCHLDIIW (Disulfide bridge: 1-15 and 3-11)...
Company:AnaSpec

Propidium Iodide Solution [3,8-diamino-5-[3-(diethylmethylammonio)propyl]-6-phenylphenanthridinium diiodide] from CHEMICON

Description:{3,8-diamino-5-[3-(diethylmethylammonio)propyl]-6-phenylphenanthridinium diiodide}. 250 ug/ml Propidium Iodide (PI) in PBS....
Company:CHEMICON

Amino acid mixture excluding l-[U-14C]methionine from GE Healthcare, formerly Amersham Biosciences

Description:Amino acid mixture excluding l-[U-14C]methionine, 1.85 MBq, 50 uCi. Aqueous solution containing 2% ethanol, sterilized. > 1.85 GBq/mg atom carbon, > 50 mCi/mg atom carbon. Mixture of Ala, Arg, Asp, Glu, Gly, His, Ile, Leu, Lys, Phe, Pro, Ser, Thr, Tyr and Val.1.85 MBq/ml, 50 uCi/ml. Category: Radiochemicals &Radiation Safety, Radiochemicals....
Company:GE Healthcare, formerly Amersham Biosciences

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Amino at Biology Technology

New Yeast Cloning System for Producing Proteins with Native Amino Acid Sequences

Stratagene Cloning Systems, Inc. The ESP LIC cloning and expression system features rapid and high-yieldproduction of recombinant proteins in yeast. This system usesligation-independent cloning (LIC) for efficient and dire...

Efficient Cleavage of Fusion Proteins to Yield Native Amino Termini

Recombinant Enterokinase for highly specific digestion of purifiedproteins or proteins in crude extracts Ed Marsh * Johanna Claycomb * ChaoFeng Zheng * Denise Wyborski* John C. Bauer * Joseph A. Sorge * A.K. Bernardino * Peter Vaillancourt Stratagene Cloning Systems, Inc. Stratagene introduces recombinant Enterokinase, an efficient, sitesp...

Expression and Purification of Recombinant Proteins That Have Native Amino Acid Sequence

Denise L. Wyborski * John C. Bauer * Barbara McGowan * JosephA. Sorge * Peter Vaillancourt Stratagene Cloning Systems, Inc. Stratagene has improved the Affinity protein expression andpurification system by the addition of the pCAL-n-EK vector. This E. coliclonin...

Amino Allyl Labeling for Array Analysis

RNA is often labeled with fluorescent dyes (i.e. Cy3 or Cy5) for microarray analysis. Label may be directly incorporated during cDNA synthesis, aRNA amplification or a post-aRNA reverse transcription (RT) reaction, or attached via a chemical coupling reaction performed after any enzymatic reactions...

ANALYSIS OF AMINO ACIDS BY REVERSED PHASE CHROMATOGRAPHY WITH PRECOLUMN DERIVATISATION AND UV/VISIBLE DETECTION

Amino Acids, RP-HPLC, Precolumn derivatisation, o-Phthalaldehyde (OPA), 2-Mercaptopropionic acid, Ultraviolet detection. Introduction: Underivatised amino acids do not significantly absorb light in the UV/visible spectrum. In order to increase sensitivity, their analysis normally includes a derivatisation step in whic...
Amino at Biology Definition

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Amino at Biology Dictionary

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Amino at Medicine News

A new discovery about Acetaminophen

According to a new enzyme which is discovered, may interpret the reasons for acetaminophen acting differently from other painkillers. //Acetaminophen (paracetamol in the UK) is known to relieve pain and fever, but not inflammation. Whereas aspirin and ibuprofen tackle inflammation too and are known as non-steroidal anti-inflammatory agents (NSAIDs). These drugs are known to block two enzymes - cy...

A new discovery about Acetaminophen

According to a new enzyme which is discovered, may interpret the reasons for acetaminophen acting differently from other painkillers. //Acetaminophen (paracetamol in the UK) is known to relieve pain and fever, but not inflammation. Whereas aspirin and ibuprofen tackle inflammation too and are known as non-steroidal anti-inflammatory agents (NSAIDs). These drugs are known to block two enzymes - cy...

Acetaminophen does not Protect Heart Muscle

Although Acetaminophen can be used as a pain reliever and fever reducer after a heart attack it cannot protect the heart muscle. These were the results of a new study using sheep and rabbits concluded. // The study, using rabbits and sheep, could have implications for people who have suffered heart attacks, about a million people in the U.S. each year, said researcher Robert C. Gorman,...

A Study Explores the Medical Potentials of Bucky Amino Acids

A New research published in the Jan. 10 issue of the American Chemical Society's journal Nano Letter, by Rice University chemists// and North Carolina State University toxicologists, finds that repetitive movement can speed the uptake of nanoparticles. This research was based on the In-Vitro experiments involving animal skin that was exposed to buckyball-containing amino acids. "Our r...
Amino at Medicine Products

Camino MPM-1 Multi-Parameter Monitor

Description:The MPM-1 offers a broad range of functions to attain new levels of parenchymal and ventricular monitoring through fiberoptic technology at the source....
Company:Integra LifeSciences Corporation

Foraminotomy Kerrison Rongeurs

Description:...
Company:Life Instrument Corporation

Scrub Care® Brand Amino+Derm Moisturizing Lotions & Soaps

Description:Amino+Derm moisturizers and soaps are specifically engineered to aid in the prevention of skin irritations and to help maintain healthy, intact skin....
Company:Cardinal Health, Inc.

Alanine Aminotransferase (ALT)

Description:For the quantitative in vitro determination of Alanine Aminotransferase (ALT) in serum and plasma....
Company:Randox Laboratories Ltd.

Alanine Aminotransferase (ALT) Liquid

Description:For the quantitative in vitro determination of alanine aminotransferase in serum or plasma....
Company:Randox Laboratories Ltd.

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Amino at Medicine Technology
Amino at Medicine Dictionary

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