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Molander Group – Professor Product Portal

The central theme of the Molander group's research is the development of new synthetic methods and their application to the synthesis of organic molecules.

Thioacetate Deprotection Procedure

BINOL and Derivatives

We present an article concerning BINOL and Derivatives.

Ring-Closing Alkyne Metathesis (RCAM)

Alkyne metathesis has been a useful tool for C–C bond formation since the discovery of structurally well-defined metal alkylidynes by Schrock and coworkers.

Single-Walled Carbon Nanotubes synthesized by the Super-Growth Method: Properties & Applications

Single-Walled Carbon Nanotubes synthesized by the Super-Growth Method & their properties & applications, including dispersing SGCNTs, SGCNT-polymer composites & SGCNT-metal composites are discussed.

Ketosulfoxonium Ylides

Ketosulfoxonium ylides have become increasingly popular as stable and safe α-diazocarbonyl equivalents, including for large scale reactions. They serve as versatile and convenient carbene equivalents that release dimethyl sulfoxide as a biproduct.

Improved Recoveries and Lower Background for GC/MS/MS and LC/MS/MS Analysis of Pesticides in Green Tea

A procedure for cleanup of green tea extracts provides low background and allowed for the analysis of more pesticides at lower levels than QuEChERS. Uses less solvents and no toluene.

List Group – Professor Product Portal

The List group focuses on the development of new concepts in catalysis. Since 1999, this research group has pioneered the development of organocatalysis as the third pillar of stereoselective catalysis, along side biocatalysis and transition metal catalysis.

Birman Group – Professor Product Portal

The main focus of research in the Birman group is on the de novo design of asymmetric catalysts and reagents. As part of this effort, they have developed Amidine-Based Catalysts, or ABCs, and demonstrated their high enantioselectivity in many asymmetric

Kwon Phosphines: P-Chiral Monodentate Phosphines from Hydroxyproline

Chiral phosphines have been the staple ligands for asymmetric transition metal catalysis and more recently operate as catalysts in organic phosphinocatalysis.

Ethidium Bromide

Ethidium bromide is a well-known and widely used fluorescent dye in biotechnology research.

CoMoCAT Single-wall Carbon Nanotubes

The CoMoCAT® method of single-walled carbon nanotube (SWNT) synthesis yields high purity SWNTs with specific chiralities and narrow distributions of tube diameters.

Flow-Modulation Comprehensive 2D GC/MS for the Determination of Allergens in Fragrances

The proposed method appears to be reliable and sensitive for the determination of allergens in perfumes, following the SCCNFP Opinion.

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.

Diels–Alder Reaction

The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. Since the reaction involves the formation of a cyclic product via a cyclic transition state, it is also referred to as

Sulfur Dioxide in Beer

Spectrophotometric determination of Sulfur Dioxide (SO2) in Beer with Elimann's reagent. Analytical method and sample preparation for Spectroquant® Sulfite Test.

FAK

The focal adhesion kinase (FAK) is a cytoplasmic protein tyrosine kinase that distinctly co-localizes with integrins at sites of attachment to their ligands.

PHOX

Of the thousands of chiral ligands used in asymmetric synthesis a relatively large number exhibit C2-symmetry. More recently, non-symmetrical modular P,N-ligands have been introduced independently by Pfaltz, Helmchen, and Williams and applied successfully in various metal-catalyzed reactions.

QuEChERS Cleanup and Analysis of Veterinary Drugs in Milk by LC/MS/MS

Mesoporous Silica and their Applications

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.

Elastase

Enzyme Explorer Product Application Index for Elastase. Leukocyte elastase is a 29KDa serine endoprotease of the Proteinase S1 Family. It exists as a single 238 amino acid-peptide chain with four disulfide bonds.

Periodic Table of the Elements

Download the Periodic Table of the Elements with names, atomic mass and number in printable .pdf and image format. Use the periodic table chart by element names in alphabetical order for quick research, reference and lab use.

Protein Kinase C (PKC)

Protein kinase C (PKC) is an AGC kinase that phosphorylates serine and threonine residues in many target proteins.

Serotonin Synthesis and Metabolism

Serotonin (5-hydroxytryptamine) is principally found stored in three main cell types - i) serotonergic neurons in the CNS and in the intestinal myenteric plexus, ii) enterochromaffin cells in the mucosa of the gastrointestinal tract, and iii) in blood platelets. Metabolism

MTT Assay Protocol for Cell Viability and Proliferation

MTT assay protocol for measuring cell viability, proliferation and cytotoxicity. Instructions for MTT reagent preparation and examples of applications.

Simplified LC-MS/MS Method for Glyphosate, AMPA, and Glufosinate in Oat-Based Cereals

A simplified LC-MS/MS method to determine glyphosate and related compounds using a Supel™ Carbon LC U/HPLC column for stability under higher pH conditions and sufficient retention for the polar analytes in the presence of methanol as an extraction solvent.

Lipopolysaccharides

Lipopolysaccharides (LPS) are characteristic components of the cell wall of Gram negative bacteria; they are not found in Gram positive bacteria. They are localized in the outer layer of the membrane and are, in noncapsulated strains, exposed on the cell

Acetylcholine Receptors (Nicotinic)

Sigma-Aldrich offers many products related to nicotinic acetylcholine receptors for your research needs.

Chromatographic Purification of Plasmid DNA (pDNA) for mRNA, plasmid-based DNA Vaccines, and Viral Vector applications

See case study examples of how to optimize chromatographic purification of plasmid DNA for Biopharmaceutical Applications. Learn more in our free eBook.

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