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Showing 31-60 of 124 results for "95-11-4" within Site Content

Synthesis and HILIC/MS Analysis of Acylcarnitines

HILIC mode chromatography using an Ascentis® Express OH5 resolved the majority of the acyl-L-carnitines tested. It may be possible to use MS/MS and particular fragment ions to resolve the two coeluting pairs.

Serum free cancer cell line media

Defined culture conditions. Consistent growth of human cancer cell lines in PromoCell’s serum-free/xeno-free Cancer Cell Line Media-XF. Explore over 350 PromoCell products on Sigma.com

Homobenzotetramisole (HBTM): A General Organocatalyst for Asymmetric Acylations

We are proud to offer the isothiourea organocatalyst homobenzotetramisole (HBTM) as part of our asymmetric catalysis portfolio in both (R) and (S) enantiomeric forms.

Applications of Percoll In Blood Cells

Data was compiled to assist the researcher in selecting references most likely to contain relevant information regarding use of Percoll for a particular cell or tissue type.

Imprint® Chromatin Immunoprecipitation Kit (CHP1) Protocol

The Sigma Imprint Chromatin Immunoprecipitation Kit uses a plate based system to allow rapid ChIP assays in a high throughput format

Kapa Biosystems qPCR Reagents and Kits

Quantitative PCR (qPCR) and qRT-PCR reagents and kits that are designed to deliver maximum efficiency and reliable results from a variety of genetic materials.

1-hydrosilatrane

As a versatile hydride reagent, 1-hydrosilatrane can be used in reduction reactions to synthesize alcohols, amines, their chiral counterparts, and esters from aldehydes/ketones.

Puriﬁcation using StrepTrap™ HP 1 mL and 5 mL

This page shows how to purify Strep-tag II recombinant proteins using StrepTrap HP 1 mL and 5 mL from Cytiva.

Drug transport assays in a 96-well system: reproducibility and correlation to human absorption

Application note on Drug transport assays in a 96-well system using Millicell-96 System from Millipore.

Metal Borohydrides as Hydrogen Storage Materials

An article about metal borohydrides as hydrogen storage materials

Analysis of Pesticides in Turmeric Powder by LC/MS/MS and GC/MS/MS after Cleanup with Dual-Layer SPE Cartridge

Pesticide residue testing of turmeric and other (dried) spices is challenging due to their complex compositions and high matrix. An efficient SPE clean-up can be achieved by a new Dual-layer cartridge.

Glutamine Metabolism is Dysregulated in Many Cancer Cells

Sigma-Aldrich presents an article about how proliferatively active cells require both a source of carbon and of nitrogen for the synthesis of macromolecules. Although a large proportion of tumor cells utilize aerobic glycolysis and shunt metabolites away from mitochondrial oxidative

Reversible Addition Fragmentation Chain Transfer (RAFT) Polymerization

RAFT (Reversible Addition Fragmentation chain Transfer) polymerization is a reversible deactivation radical polymerization (RDRP) and one of the more versatile methods for providing living characteristics to radical polymerization.

ChemMatrix® Resin for solid phase peptide synthesis

ChemMatrix® is a proprietary, 100% PEG (polyethylene glycol) based resin from PCAS BioMatrix.

Clinical Application of SPME: Analysis of VOCs in Exhaled Breath as Cancer Biomarkers

This report demonstrates the potential of solid phase microextraction as a clinical research tool for the extraction of VOCs associated with lung cancer from human breath.

Organic Semiconductor Laser Materials

Polybrene® Technical Bulletin

Polybrene® is a well-known anti-heparin agent. Also known as 1,5-dimethyl-1,5-diazaundecamethylene polymethobromide and hexadimethrine bromide, this positively charged polymer produces non-specific red blood cell agglutination by neutralizing the red blood cell net negative charge.

Poly(N-isopropylacrylamide)-based Smart Surfaces for Cell Sheet Tissue Engineering

Tissue engineering has become a key therapeutic tool in the treatment of damaged or diseased organs and tissues, such as blood vessels and urinary bladders.

MIDA Boronates

MIDA-protected boronate esters are easily handled, indefinitely bench-top stable under air, compatible with chromatography, and unreactive under standard anhydrous cross-coupling conditions, even at temperatures up to 80 °C.

Optimizing Crude Sample Plant PCR

Overcoming potent inhibitors and sample diversity in direct plant PCR.

Graphene and Other 2D Crystals for Rechargeable Batteries

Advanced technologies for energy conversion and storage are widely sought after for their potential to improve consumer and electronic device performance as well as for the prospect of reducing the societal and environmental impact of energy generation.

Qualitative Thin Layer Chromatography Analysis Ginkgo

Qualitative Thin Layer Chromatography Analysis of Flavonoids and Quantification of Terpene Lactones in Ginkgo Biloba Extracts and Tablets

Barrier Formation and Permeability Assays using Millicell^® Hanging Cell Culture Inserts

How to set up barrier formation and permeability assays using cell culture inserts and TEER measurements.

TRANSIA® PLATE Staphylococcal Enterotoxins

TRANSIA® PLATE Staphylococcal Enterotoxins - AOAC Performance Tested Methods Validation Study

GenomePlex® Single Cell Whole Genome Amplification Kit (WGA4) - Protocol

GenomePlex® is a Whole Genome Amplification (WGA) method that allows the researcher to generate a representative amplification of genomic DNA

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.

Commercial Volumes of Quantum Dots: Controlled Nanoscale Synthesis and Micron-Scale Applications.

Quantum dots (QDs) are luminescent semiconductor nanoparticles, with diameters in the range of 1 to 20 nm. The unique optical and electronic properties of QDs are being exploited in a number of applications including flat panel displays and coloured lighting

In Vitro Expansion of CD34+/CD38- Human Hematopoietic Progenitor Cells in a Serum-free and Xeno-free Stem Cell Culture Media

In vitro culture of human hematopoietic stem cells in PromoCell’s serum-free/xeno-free HPC Expansion Medium DXF. Explore over 350 PromoCell products

Task-Specific Ionic Liquids

Task-Specific Ionic Liquids (TSILs) for the selective liquid/liquid extraction of heavy metals from aqueous systems were first published by Robin D. Rogers et al. in the year 2001.

Recombinant eSpCas9 Protein for RNP-Based Genome Editing

The CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) system was discovered in bacteria, where it functions as an adaptive immune system against invading viral and plasmid DNA.

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