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Trifluoroacetic acid

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Determination of Water Content in Trifluoroacetic Acid Using Karl Fischer Titration
Summary application report for analysis of moisture in Trifluoroacetic acid
Identification, Assay and Organic Impurity Profiling Methods for Aripiprazole following the United States Pharmacopeia Monograph
Aripiprazole is an atypical antipsychotic and a partial dopamine agonist. It is primarily used in the treatment of schizophrenia, bipolar disorder, major depressive disorder, tic disorders, and irritability associated with autism. Aripiprazole was first approved by the U.S. Food and...
Determination of Lactose in Dairy Products Using TLC-MS
Straightforward HPTLC-MS analysis of lactose in dairy products (milk or yoghurt) using only protein crash, centrifugation and dilution as sample preparation.
Reversed-Phase HPLC Analysis of Insulin Variants and Analogs by UV and Mass Spectral Detection
Insulin is an approximately 6000 Da peptide hormone used to regulate the glucose concentration in blood. There are several different forms of insulin that are both natural and recombinant; the recombinant forms have been engineered to improve pharmacokinetic properties. A...
Integration of Sigma® TransPlex® WTA and the Complete WTA2 Kits with the Illumina Microarray Workflow
Amplification products generated by the TransPlex® WTA and Complete WTA2 kits are suitable for microarray target for expression analyses, and can be incorporated into existing Illumina workflows.
Chiral LC-MS Analysis of Methamphetamine in Urine on Astec® CHIROBIOTIC® V2
Efficient LC-MS separation of methamphetamine enantiomers in urine allows sensitive differentiation of illicit D-methamphetamine from over-the-counter L-methamphetamine
Catalyst Screening followed by TLC-MS for Reaction Progress Analysis using KitAlysis™
Catalyst screening, KitAlysis™ High-Throughput Screening Kits, Thin layer chromatography (TLC), parallel analysis, parallel synthesisigh-Throughput Buchwald-Hartwig Amination Reaction Screening Kit, TLC-MS analysis
Biological Testing for Amphetamine and Methamphetamine Abuse
In this study, optimized methods are presented for sample preparation and chiral chromatography for the LC/MS analysis of amphetamine and methamphetamine enantiomers in urine.
HPLC Analysis of HPLC Protein Standard on BIOshell™ A400 Protein C4
Separation of HPLC protein standard mixture, analytical standard
HPLC Analysis of the Monoclonal Antibody (mAb) Erbitux (Cetuximab) on BIOshell A400 Protein C4
HPLC Analysis of the Monoclonal Antibody (mAb) Erbitux (Cetuximab) on BIOshell™ A400 Protein C4
Accurate Biological Testing for Amphetamine and Methamphetamine Abuse Using Chiral HPLC and MS Detection
Optimized sample prep and chiral chromatography methods for the LC/MS analysis of these drug enantiomers in urine
Protocols for the Fmoc SPPS of Cysteine-containing Peptides
Overcome challenges in synthesis and disulfide bond formation with protocols for Fmoc solid-phase peptide synthesis of peptides with cysteine and methionine.
Reverse Phased Chromatography (RPC) in Practice
In this section the practical aspect of Reverse Phased Chromatography ( RPC) is discussed including media and column selection and eluent selection and preparation.
Enantiomeric Purities of Pharmaceuticals Using Carbohydrate-based Isothiocyanates
Enantiomeric analysis of neurotransmitters and pharmaceuticals carrying functional amino groups, ß-adrenergic blockers; penicillamine, mexiletine; fine chemicals such as 1-phenyl-2-aminoethanol.
Faster Protein and Peptide Liquid Chromatography (FP2LC)
Larger porous shell particles with narrow particle size distribution, used in Supelco's BIOshell™ columns for the reversed-phase U/HPLC analysis of peptides and proteins, provide increased efficiency per unit pressure drop.
Chromatofocusing: Principles and Methods
This page covers the principles and methods of chromatofocusing, a chromatography technique that separates proteins according to differences in their isoelectric point (pI).