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2270 matches found for chromatography

Kava (Piper methysticum) | Plant Profiler

Synonyms / Common Names / Related Terms (+) -dihydrokawain-5-ol, 11-methoxy-5, 5-hydroxydihydrokawain, 6-dihydroyangonin, antares, ava, ava pepper, ava pepper shrub, ava root, awa, bornyl cinnamate, cavain, Fijian kava, flavokavines A and B, gea, gi, grog, intoxicating long pepper, intoxicating pepp...

ENVI-Carb Plus for the Extraction of Propylene Glycol and Ethylene Glycol from Water

• • Download PDF • katherine.stenerson@sial.com Propylene glycol has a wide variety of applications, including uses as a solvent, emulsifier, and moisturizer in various chemical, food, and personal care products. Its toxicity to both humans and animals is relatively low. Ethylene glycol, which is wi...

Biomaterials Tutorial

Related Products • Biomaterials Products • Specialty Polymers and Nanomaterials for Drug Delivery • Dendrimers in Nanomaterials Related Articles • Degradex® Microspheres and Nanoparticles for Drug Delivery Research and Formulation Development • Dendritic Polyester Scaffolds for Drug Delivery Applica...

Polymer-Sorted Semiconducting Carbon Nanotubes for Transistors and Solar Cells

Matthew J. Shea,1 Gerald J. Brady,1 Juan Zhao,1,2 Meng-Yin Wu,3 Harold T. Evensen,3 Michael S. Arnold1* 1Department of Materials Science and Engineering, University of Wisconsin-Madison, USA 2School of Optoelectronic Information, University of Electronic Science and Technology of China, China 3Depar...

Technical Literature for Derivatization Reagents

General Literature & Books Handbook of Analytical Derivatization Reactions – D. Knapp Guide to Derivatization Reagents for Gas Chromatography (GC) Handbook of Derivatization reagents for HPLC (Book & CD) - Lunn & Hellwig Silylation Reagents BSA (PDF 107 KB) BSA + TMCS (PDF 108 KB) BSA + TMCS + TMSI ...

HIC in a Purification Strategy (Cipp)

To ensure efficient, reproducible purification giving the required degree of purity, it is beneficial to develop a multi-step process using the purification strategy of Capture, Intermediate Purification and Polishing (Cipp), shown in Fig 49. Fig 49. Strategy for protein purification. Imagine the pu...

Performing a Purification of IgG Antibodies with HiTrap Protein A HP columns

Related Articles • Automated Purification of Antibodies Using ÄKTA Chromatography Systems • Column Packing and Preparation for Affinity Chromatography of Antibodies • Converting from Flow Velocity to Volumetric Flow Rates • Desalting and Buffer Exchange for Affinity Chromatography of Antibodies • Ge...

Fluorous Separation Media - Fluorous Chemistry

The separation of fluorous compounds from non-fluorous compounds using fluorous silica gel is the central theme of fluorous techniques. Fluorous solid phase extraction (F-SPE) is used for quick separations of reaction mixtures involving FluoroFlash® tags, scavengers, and reagents. The separation of ...

Hybridoma Fusion Partners Cell Lines

Hybridoma technology involves the production of monoclonal antibodies specific to an antigen of interest. The somatic fusion of B lymphocytes of the spleen with immortal myeloma cells gives rise to a hybridoma cell line that can be perpetually propagated to produce clonally identical antibodies, as ...

Mild Palladium-Catalyzed Cyanation of (Hetero)aryl Halides and Triflates in Aqueous Media-

The development of a novel Pd-catalyzed synthesis of (hetero)aromatic nitriles from the corresponding aryl chlorides and potassium hexacyanoferrate(II) is described. This novel protocol avoids the use of highly toxic alkali cyanides and proceeds in the presence of small amounts of palladium catalyst...

Recombinant Protein Purification and Detection

The expression, purification, and detection of recombinant proteins can be a lengthy and time-consuming endeavor. Depending on the protein of interest and expression system, protein tags may be added to improve the outcome of common steps, including protein solubility during expression, purification...

Ephedra (Ephedra sinica) | Plant Profiler

Synonyms / Common Names / Related Terms 6-hydroxykynurenic acid, amp II, amsania, brigham tea, budshur, cao ma huang (Chinese), cathine, chewa, Chinese ephedra, Chinese joint fir, D-pseudoephedrine, desert herb, desert tea, dextro-rotatory, EPH 833, Ephedra altissima, Ephedra americana, Ephedra anti...

HIC as a Capture Step

Appendix 1, extracted from Hydrophobic Interaction and Reversed Phase Chromatography Principles and Methods (PDF), GE Healthcare, 2014 The objective of a capture step is to quickly bind the protein(s) of interest from the crude sample and isolate them from critical contaminants such as proteases and...

Improving Environmental Analysis using Solid Phase Microextraction (SPME) in Sample Preparation

Date: Wednesday, May 22, 2019 Time: 11:30 (India), 14:00 (China, Taiwan, Singapore), 15:00 (Korea, Japan), 16:00 (Australia), 18:00 (New Zealand), 08:00 AM (CET) Duration: 75 minutes Presenters: Dr. Frank Michel, Analytical & Chromatography Scientific Advisor Improving Environmental Analysis using S...

radiello® Diffusive Air Sampling Application - VOCs Thermally Desorbed

radiello Table of Contents Yellow diffusive body Product No. RAD1202 Supporting plate Product No. RAD121 Vertical adapter Product No. RAD122 (optional) Adsorbing cartridge Product No. RAD145 Or try: VOCs Thermally Desorbed Starter Kit Product No. RAD145S • 1 Support plate • 1 Yellow diffusive body •...

Antibody Basics

Immunoglobulins (Igs) are produced by B lymphocytes and secreted into plasma. The Ig molecule in monomeric form is a glycoprotein with a molecular weight of approximately 150 kDa that is shaped more or less like a Y. Basic structure of the Ig monomer (Figure 1) consists of two identical halves conne...

Avanti® FAQ

Drug Delivery / Pharmaceutical Applications • What are the differences between (advantages of) synthetic and natural phospholipids? • What are the advantages/disadvantages of including cholesterol in my liposomes? • How do I get my hydrophobic drug in the lipid membrane? • What issues should I consi...

Performing a Purification of IgG Antibodies with HiTrap® Protein G HP Columns

Related Articles • Automated Purification of Antibodies Using ÄKTA Chromatography Systems • Column Packing and Preparation for Affinity Chromatography of Antibodies • Converting from Flow Velocity to Volumetric Flow Rates • Desalting and Buffer Exchange for Affinity Chromatography of Antibodies • Ge...

Propolis (Propolis) | Plant Profiler

Synonyms / Common Names / Related Terms Apis mellifera L., bee glue, bee propolis, bee putty, Bienenharz (German), Brazilian green propolis, Brazilian propolis, Bulgarian propolis, caffeic acid phenethyl ester, CAPE, cera alba, chizukit, cinnamic acid, flavonoids, galangin, Greek propolis, hive dros...

Determination of L- and D-Lactic Acid Enantiomers by HPLC-MS-MS

Sensitive Determination of L- and D-Lactic Acid Enantiomers by HPLC-MS-MS The following was generated with the assistance of an outside source using Sigma-Aldrich products. Technical content was generated and provided by: H. Henry1, N. Marmy Conus2, P. Steenhout2, A. Benguin1, and O. Boulat1 1 Clini...

A Fast and Reliable Method for Purity Analysis of Filgrastim

Related Products • Biopolymer Separations • BIOshell™ HPLC Columns • BIOshell™ Fused-Core® Columns Related Articles • Reporter US Volume 34.3 • High Resolution and High Efficiency Separations of mAbs and ADCs Using Proteomix HIC Columns • Improving the Chromatographic Separation of DMB-Labeled Siali...

Cooking up Nanostructured Mesoporous Materials

Vitaly Budarin, James H. Clark*, Rafael Luque, Robin White Green Chemistry Centre, Department of Chemistry, University of York, Heslington, York YO10 5DD, UK *Email: jhc1@york.ac.uk A mesoporous material is a material containing pores with diameters between 2 and 50 nm. The outstanding potential of ...

Prevent GC Inlet Problems BEFORE They Cost You Time and Money

Related Information • GC Septa • GC Inlet Liners • GC Liner O-Rings • GC Inlet Seals • Purifiers • Syringes • All GC Products GC Accessories & Gas Pur/Mgmt Products View(1Mb) / Request Introduction Our Technical Service chemists help GC users solve problems that are often the direct result of overus...

An LC/MS Peptide Standard for Rapid System Suitability Assessment and Retention Time Translation Across LC/MS Platforms

Related Products • Biopolymer Separations • BIOshell™ HPLC Columns • BIOshell™ Fused-Core® Columns • Tool for Mass Spectrometry Related Articles • Reporter US Volume 34.2 • High Resolution and High Efficiency Separations of mAbs and ADCs Using Proteomix HIC Columns • Improving the Chromatographic Se...

BrettPhos Ligand Supported Palladium-Catalyzed C-O Bond Formation through an Electronic Pathway of Reductive Elimination: Fluoroalkoxylation of Activated Aryl Halides

A Pd/N-heterocyclic carbene-based catalyst achieves the Sonogashira coupling of an array of functionalized, ?-hydrogen-containing alkyl bromides and iodides under mild conditions. By furnishing the first example of a nonphosphine-based palladium catalyst for cross-coupling unactivated alkyl electrop...

Protein Staining & Detection for Electrophoresis

Products: • Protein Staining & Detection Products • Western Blotting • SYPRO® Stains • Lucy Stains • Coomassie Stains • Silver Staining • Atto Dyes Tool Box: • Antibody Explorer • Enzyme Explorer Learning Center: • Application Notes • Poster Gallery • Product Guide • Proteomics Literature • Tradesho...

Selectivity and the Properties of a HIC Medium

While ligands contribute significantly to the degree of hydrophobicity of a medium, the matrix can also influence the final selectivity. Chromatography media for hydrophobic interaction are made from porous matrices, chosen for their physical stability, their chemical resistance to stringent cleanin...

OSHA ID 111 – Products and Materials Guide

Phosphoric Acid in Workplace Atmospheres For this method, adsorbent tube samples are collected by drawing workplace air through either coconut shell charcoal or Anasorb 747 tubes with personal sampling pumps. Diffusive samples are collected by exposing either 3M 3520 Organic Vapor Monitors (OVMs) or...

Plasmid DNA purification kits by Sigma Aldrich

Extraction of macromolecules such as DNA, RNA, and protein is one of the basic methods used in molecular biology. The process of extraction and purification of nucleic acids has evolved from being a complex, prolonged, and labor-intensive procedure. Nucleic acid purification technologies now give hi...

AD030 Particle Monitoring Guide – Liquid and Component Monitoring – On-line, Batch and On-site Liquid Samples

In the section, you can find detailed methods for collecting, preparing, and analyzing liquid samples on line, on site, or in batch mode. Click the appropriate links below to read each set of methods: • On-line sample collection and filtration • Batch sample collection and filtration • On-site analy...