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Showing 1-30 of 540 results for "13826-25-0" within Site Content

Fast LC-MS-MS Analysis of 25-Hydroxyvitamin D2 and 25-Hydroxyvitamin D3

We presents a robust method for analyzing 25-hydroxyvitamin D3 and 25-hydroxyvitamin D2 in serum using a multiplexed LC-MS-MS system.

Parvovirus Filtration Best Practices - 25 Years of Hands-on Experience

This webinar will help parvovirus filter users achieve optimized performance and trouble-free operation.

Limited-Time Offer: Save 25% on products for Assay Development

Get 25% off for selected products for Diagnostic customers! Discover our broad portfolio to enhance your work and get the product you need at one shop.

MilliporeSigma Invests $25 Million to Expand Cell Culture Media Production in Kansas

MilliporeSigma, the U.S. and Canada Life Science business of Merck KGaA, Darmstadt Germany, today announced the expansion of its facility in Lenexa, Kansas, adding 98,000 square feet of lab space and production capability to manufacture cell culture media.

ACS Fall 2022

Visit us at ACS Fall 2022 in Chicago, Illinois, August 21-25, 2022.

OverExpress™ Electrocompetent Cells

OverExpress™ Electrocompetent Cells are provided in 25 μL aliquots, sufficient for one transformation reaction.

Buffer Exchange and Desalting for Affinity Chromatography

How to perform buffer exchange and desalting with Sephadex G-25, HiTrap Desalting columns, or ÄKTAprime plus.

Gene Therapy Process Development

Leverage our 25+ years of expertise for robust viral vector process development ensuring quality and safety from discovery to commercialization.

NHC-based Palladium Catalysts

In collaboration with Umicore AG and Co.,1 we are pleased to offer a series of robust Pd(II) and Pd(0) complexes employed as the linchpin in C–C bond forming reactions.

Summer Sale Promo - ELISA & Specialty Assays

It’s time to enjoy your summer, not spend time searching for research products. Now through July 29, save up to 25% off select assay products

Louie Group – Professor Product Portal

Professor Louie's research focuses on the discovery and mechanistic understanding of new reactions catalyzed by transition metal complexes. She has developed a highly active Ni(0) catalyst that effectively mediates a variety of cycloaddition and isomerization reactions.

Summer Sale Promo - Filtration

Relax this summer, and let our filtration products clarify your laboratory solutions. Now through July 29, save up to 25% off select filtration products

Enzymatic Assay of Pectinase

To measure pectinase activity, a titrimetric stop reaction assay is used. One unit of pectinase will liberate 1 μmol of galacturonic acid from poly-galacturonic acid per hour at pH 4.0 at 25 °C.

Echavarren Group – Professor Product Portal

The research of the Echavarren group centers on the development of new reactions based on the use of electrophilic complexes of Au(I), Pt(II), and other transition metals as catalysts and their applications in organic synthesis of complex, biologically active molecules. The

Pressure-Temperature Calculator for Solvents

Use the calculator to determine the boiling point or pressure of solvents based on the Antoine Equation and see solvent attributes. View a list of products based on the solvent CAS number.

Maintenance of Multimodal Chromatography Media and Storage Conditions

This page describes the maintenance of media and storage conditions for multimodal chromatography using Cytiva products.

Sample Preparation in Ion Exchange Chromatography

This page clarifies sample preparation, buffer exchange and desalting, removal of lipoproteins, phenol red, and low molecular weight contaminants in Ion exchange chromatography.

Sample Preparation for Chromatographic Purification

This page discusses various aspects of sample preparation for chromatographic purification.

Sample Preparation for Affinity Chromatography in Specific Groups of Biomolecules

Column Packing and Preparation for Affinity Chromatography of GST-tagged Proteins

This page describes efﬁcient column packing and preparation for affinity chromatography of GST-tagged proteins using Cytiva products.

DiscoveryBIO Wide Pore C18

DiscoveryBIO Wide Pore C18 products offered by Sigma-Aldrich.

Polishing of MAbs Using Capto Adhere ImpRes in Bind/Elute Mode

In these studies, the binding capacity for MAbs and the efficiency in the clearance of impurities using Capto adhere ImpRes in bind/elute mode was evaluated.

Column Packing and Preparation for Size Exclusion Chromatography

Method Optimization for LC-MS Analysis of Vitamin D Metabolite Critical Pairs in Serum

Using HybridSPE-Phospholipid, Ascentis Express, and Other LC-MS Workflow Components

Analytical Method: Zinc in soils

Photometric determination with pyridylazoresorcinol (PAR) subsequent to acid extraction

Fast GC Analysis of Detailed cis/trans Fatty Acid Methyl Esters (FAMEs) on the 75 m SP™-2560 Capillary Column

NMR Deuterated Solvent Properties Reference Chart

Use this reference table to find the coupling values and chemical shifts of our NMR (deuterated) solvents. Melting and boiling points, molecular weight, density, and CAS number are also listed.

Microscopic Examination of Samples

This protocol covers 3 modes for the microscopic examination of cell samples.

Fractional Precipitation Protocol for Affinity Chromatography Samples

This page shows describes fractional precipitation for removing gross impurities from affinity chromatography samples with small volumes.

Analytical Method: Copper (total) in feedstuffs

Photometric determination with Cuprizon subsequent to acid mineralisation

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