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Analysis of Alkylphenols and Alkylphenol Ethoxylates Using new 13C-Labeled and Deuterated Internal Standards According to ISO 18857-2
Alkylphenols are starting materials for the synthesis of alkylphenol ethoxylates, which are widely used as non ionic tensides, dispersive agents in paper and leather manufacturing, emulsifiers for pesticide formulations and as auxiliary agents for drilling and flotation.
Precipitation Procedures
This page describes protein precipitation as an optional step in sample preparation for 2-D electrophoresis with Cytiva products.
NMR Reference Standards
NMR reference standards ensure proper instrument performance. Review key operational parameters for these standards such as pw90, sensitivity, resolution and line shape.
AD030 Particle Monitoring Guide – Analysis Techniques – Microscope-Based Techniques
AD030 Particle Monitoring Guide – Analysis Techniques – Microscope-Based Techniques
Procedure for Enzymatic Assay of α-Chymotrypsin (EC 3.4.21.1)
Follow our procedure for the determination of a chymotrypsin activity. This enzymatic assay of alpha chymotrypsin guides you through the entire process and necessary calculations.
High Resolution and High Efficiency Separations of mAbs and ADCs Using Proteomix HIC Columns
Hydrophobic interaction chromatography, a protein separation technique, has been commonly used as an orthogonal method to SEC and ion exchange for the characterization of mAbs.
Column packing and preparation for Ion Exchange Chromatography & Chromatafocusing
This page shows how to perform column packing and preparation for ion exchange chromatography and chromatafocusing when using Tricorn or XK columns available from Cytiva.
Applications of Glucose Polymers in the Synthesis of Diagnostic and Drug Delivery Nanoparticles
Dmitri Simberg (University of Colorado Anschutz Medical Campus, USA) reviews the used of dextran and cyclodextrin for the synthesis of nanoparticles used in drug delivery applications.
Column Packing and Preparation
This page describes efficient column packing and preparation for affinity chromatography of tagged proteins using Cytiva products.
Column Packing and Preparation for Affinity Chromatography with Specific Groups of Biomolecules
Column packing and preparation for Affinity Chromatography with specific groups of biomolecules.
AD030 Particle Monitoring Guide – Analysis Techniques – Microscope-Based Techniques
Microscopy is an effective way to determine the nature, size, and source of contamination. In this section, you can find some detailed methods important for optical microscopy, as well as important considerations for scanning electron microscopy (SEM).
MilliSentials™ Labeling System
Streamline sample, reagent, and chemical identification using the MilliSentials™ Lab Labeling System - impervious, adaptable labels tailored for research labs.
In Situ Cell Death Detection Kit, Fluorescein Protocol & Troubleshooting
In Situ Cell Death Detection Kit, Fluorescein Protocol & Troubleshooting
MilliSentials™ Essential Lab Equipment
Streamlined, ergonomic, essential lab equipment solutions for handling, labeling, pipetting, aliquoting, and homogenizing samples in research laboratories.
Qualitative Thin Layer Chromatography Analysis Ginkgo
Qualitative Thin Layer Chromatography Analysis of Flavonoids and Quantification of Terpene Lactones in Ginkgo Biloba Extracts and Tablets
Column Packing and Preparation for Affinity Chromatography with Specific Groups of Biomolecules
Column packing and preparation for Affinity Chromatography with specific groups of biomolecules.
Column Packing and Preparation for Hydrophobic Interaction and Reversed Phased Chromatography
This page discusses column packing and preparation techniques for reverse phase chromatography.
Cleaning Up Samples using 2-D Clean-Up Kit
2-D Clean-Up Kit from GE Healthcare is designed to prepare samples that would otherwise produce poor 2-D results.
Fractional Precipitation Protocol for Affinity Chromatography Samples
This page shows describes fractional precipitation for removing gross impurities from affinity chromatography samples with small volumes.
Coupling Small Ligands Through Carboxyl Groups via a Spacer Arm
Ligands are coupled in a simple one-step procedure in the presence of a coupling reagent, carbodiimide. The carbodiimides may be regarded as anhydrides of urea.
Chromatography Standards
Certified Reference Materials & reference standards for chromatography-based testing applications including forensic and clinical toxicology analysis, diagnostic testing, therapeutic drug monitoring, cannabis testing, environmental analysis, pharmaceutical research, and food & beverage testing.
Inorganic Catalysts
Inorganic catalysts play a key role in many synthetic reactions in industry and academia; our unparalleled portfolio includes common heterogeneous catalysts such as platinum, palladium, ruthenium, and rhodium on carbon or silica.
Safe Chemical Containers
Lab technicians often handle chemical-filled plastic bottles several times a day, but what many of them don’t know is that these seemingly unremarkable containers involve years of intricate development work.
Screening for Estrogen Active Nonylphenols in Water by Planar Solid Phase Extraction – Planar Yeast Estrogen Screen
Nonylphenols (NP) are ubiquitous substances that have been detected in highly diverse foodstuff. As breakdown products of nonylphenol ethoxylates, NP could end up in the aquatic environment. This article presents a rapid method for NP detection in surface water
Tips and Techniques for Troubleshooting Immunohistochemistry (IHC)
Tips and troubleshooting for FFPE and frozen tissue immunohistochemistry (IHC) protocols using both brightfield analysis of chromogenic detection and fluorescent microscopy.
Tissue Diagnostics Universal Reagents
Discover our comprehensive range of reliable products used for histological microscopic analysis including reagents and labware for sample preparation, fixation, staining, mounting and diagnostics.
Organic Pollutant Standards
Whether it is for testing of soil, water, air, or waste, our portfolio offers a range of high-quality reference materials as neat, single, and multi-component standards. Our extensive and wide selection of organic chemicals is available as analytical standards and
Sepharose Big Beads: Purification from Crude, Viscous Samples at Large Scale
This page covers how and why to use Sepharose Big Beads for purification from crude, viscous samples.
Column Packing and Preparation for Size Exclusion Chromatography
Column Packing and Preparation for Size Exclusion Chromatography
Sample Preparation for Size Exclusion Chromatography
Samples for chromatographic purification should be clear and free from particulate matter. Simple steps to clarify a sample before beginning purification will avoid clogging the column, can reduce the need for stringent washing procedures, and can extend the life of
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