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Showing 1-30 of 617 results for "210-186-7" within Site Content

Determination of 7 Nitrosamines in Drinking Water

Nitrosamines analysis by solid phase extraction (SPE) and subsequent gas chromatography-tandem mass spectrometry (GC-MS/MS) according to GB 5750.10-2023.

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.

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

Estimation of Proline in Fruit and Vegetable Juices

Spectrophotometric determination of proline by the Ninhydrin method, per EN 1141 and German Food and Feed Code §64 LFBG 31.00-7.

RNA Therapeutics & Delivery USA

Visit us at booth #7 to learn about our solutions to help you overcome your mRNA manufacturing and LNP formulation challenges.

cOmplete™, Mini, EDTA-free Protocol

Dissolve one tablet in 10 ml aqueous buffer or water. If high proteolytic activity is present, dissolve one tablet in 7 ml buffer.

Scepter™ 3.0 Cell Counter – How it Works

Scepter™ counting is 7 to 10 times faster than hemocytometry-and also faster than other automated counters. Learn more about how this amazing technology works

Enzymatic Assay of Cathepsin B

Cathepsin B is a lysosomal cysteine proteinase with broad specificity. This protocol uses Nα–CBZ–Arg–Arg–7–amido–4–methylcoumarin as the substrate for fluorometric detection of Cathepsin B activity.

Assay of Betamethasone Sodium Phosphate by HPTLC

Development of an HPTLC based method, using Silica Gel 60 F254 plate, to determine Betamethasone Sodium Phosphate over a concentration range of 1 to 7 µg/spot.

Ultrapure Water for Sensitive LC-MS Analysis of Pesticides

Pesticides analysis by LC-MS needs pesticide-free reagent water, which can be reliably delivered by Milli-Q® IQ 7 ultrapure water systems. See data.

In Vitro Differentiation of Human PBMC and CD34+ Derived Monocytes into Mature CD83+/CD14- Dendritic Cells

Generate mature human dendritic immune cells from PBMCs or CD34+ stem cell derived monocytes in 7 days in defined and serum-free dendritic cell culture media. Explore over 350 PromoCell products.

Obtaining Ultrapure Water for Sensitive PFAS Analysis by LC-MS

Sensitive PFAS testing can be performed with ultrapure water from a Milli-Q® IQ 7 system, which eliminates detectable PFAS for reliable LC-MS/MS results. See the science, see the proof.

Nucleic Acid Sample Preparation Methodology

Spectrophotometry can be used to estimate DNA or RNA concentration and to analyze the purity of the preparation.

Restriction Endonucleases - The Molecular Scissors

The term “Restriction enzyme” originated from the studies of Enterobacteria phage λ (lambda phage) in the laboratories of Werner Arber and Matthew Meselson.

3D Mammosphere Culture Media

3D mammosphere culture protocol used to expand human MCF-7 and MDA-MB-231 breast cancer cells in serum-free/xeno-free stem cell culture media. Explore over 350 PromoCell products on Sigma.com.

GC Analysis of a 37-Component FAME Mix on SP™-2560

A protocol for GC Analysis of a 37-Component FAME Mix on SP™-2560.

Column Packing and Preparation for Size Exclusion Chromatography

Halloysite Nanotubes Applications in Nanomaterials Research

Halloysite Nanotubes in Nanomaterials Research. Halloysite, a naturally occurring aluminosilicate nanotube, has been undeservedly forgotten.

Immunohistochemistry Applications in Gastrointestinal Cancer

Colorectal cancer is the third most common cancer in both men and women. An estimated 136,000 cases of colorectal cancer are expected to occur in 2016.

QuickLink™ DNA Ligation Kit

T4 DNA ligase is used for the joining of DNA molecules with compatible cohesive (sticky) termini, joining of blunt ended double stranded DNA molecules

Glycol Ethers Properties & Examples, Organic Solvents

Glycol ethers, with both an ether and alcohol functional group in the same molecule, are one of the most versatile classes of organic solvents.

Custom siRNA Libraries & Panels Request Form

Please fill out the form to receive a price and delivery quotation.

Peptide Modifications: N-Terminal, Internal, and C-Terminal

Carcinogenesis and Epigenetics

Cancer research has revealed that the classical model of carcinogenesis, a three step process consisting of initiation, promotion, and progression, is not complete.

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.

What is Multi Column Chromatography?

Multi column chromatography has the benefit of using less resin, increasing productivity, and enabling continuous processing. Learn more in this technical article.

US EPA Method 632: HPLC Analysis of Pesticides on Ascentis® C18

-methylcarbamate 10 μg/mL; Diuron; Propham; Siduron; Methiocarb, analytical standard; Linuron 10 μg/mL; Swep 10 μg/mL; Chlorpropham 10 μg/mL; Barban; Neburon

Direct and Crude Extract qPCR

Rapid qPCR analysis from highly inhibited tissue and blood sample extractions with KAPA PROBE.

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