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    Search term:"oxidations"

    360 matches found for oxidations

    SAFC Buchs, Switzerland Facility

    SAFC Buchs has a long history of producing high-quality intermediates and bulk actives from Phase I to Phase III clinical trials.The plant specializes in complex, multi-step organic custom synthesis to 1,600 liters and low temperature reactions (-60°C) up to 400 liters. This cGMP, ISO certified site...

    Baeyer-Villiger Oxidation Reaction

    The Baeyer–Villiger reaction involves the oxidation of ketones to esters by C-C bond cleavage of the carbonyl group and the introduction of an oxygen atom adjacent to it.1 This reaction can be accomplished using hydrogen peroxide, 3-chloroperbenzoic acid (m-chloroperoxybenzoic acid), peroxyacetic ac...

    Cranberry (Vaccinium macrocarpon) | Plant Profiler

    Synonyms / Common Names / Related Terms Alpha-linolenic acid, American cranberry, anthocyanins, Arandano Americano, Arandano trepador, ascorbic acid, Azo-cranberry®, bear berry, benzoic acid, black cranberry, bog cranberry, catechins, cinnamic acids, citric acid, coumaroyl iridoid glycosides, ellagi...

    CBHA Ligands

    Aldrich ChemFiles 2010, 10.1, 5. Yamamoto and his group developed a new type of ligands based on the C2-symmetric chiral bishydroxamic acid (CBHA). These bidentate ligands have pendant "arms" that can be substituted with a variety of substituents allowing for a finetuning of the ligand potency. A va...

    DNA Oligonucleotide Synthesis

    Phosphoramidite chemistry, developed in the 1980s and later enhanced with solid-phase supports and automation, is the method of choice for DNA oligonucleotide manufacturing. Opposite of biosynthesis, chemical synthesis proceeds in the 3' → 5' direction according to the steps outlined in Figure 1. No...

    Manufacturing, Characterization and Use of Single Walled Carbon Nanotubes

    • • Download PDF • SouthWest NanoTechnologies, Inc. 2501 Technology Place Norman, OK 73071 *Email: pwallis@swentnano.com Carbon nanotubes are materials that possess remarkable properties and offer extraordinary possibilities. This article gives a brief overview of the physico-chemical nature and cha...

    Tangerine (Citrus reticulata) | Plant Profiler

    Synonyms / Common Names / Related Terms Beta-carotene, beta-cryptoxanthin, carotenoids, Citrus reticulata, Citri Reticulatae Viride Pericarpium, Citrus reticulata Blanco, Citrus reticulate, Dancy tangerine (Citrus tangerinia), folate, grapefruit (Citrus paradisi), limonin, limonoid glucoside mixture...

    Azide Building Blocks for Chemical Ligation

    Aldrich ChemFiles 2010, 10.2, 6. Dr. Matthias Junkers Dr. Matthias Junkers Product Manager Email: matthias.junkers@sial.com Chemoselective ligation strategies are a key success factor for chemical biology research. Ligation techniques open pathways to fully synthetic large peptides and even proteins...

    Enzymatic Assay of Pectinase

    To standardize a procedure for determining the enzymatic activity of Pectinase. This procedure applies to Sigma-Aldrich Product Numbers P4716, P0690, P2401, and P4300. 3.1 Purified Water = water from a deionizing system, resistivity > or = 18MΩ•cm @ 25ºC 3.2 Unit Definition = = One unit will liberat...

    nitric oxide synthase trafficking
    Synonyms DaIP2
    Species Human (115677) , Species Mouse (329416) , Species Rat (311111) , Species Zebrafish (100148449) , Species cow (521834) , Species domestic cat (101084813) , Species dog (478780) , Species naked mole-rat (101713879) , Species domestic guinea pig (100714437) , Species sheep (101122001)
    Summary: Nitric oxide (NO) is a potent mediator in biologic processes such as neurotransmission, inflammatory response, and vascular homeostasis. NOSTRIN binds the enzyme responsible for NO production, endothelial NO synthase (ENOS; MIM 163729), and triggers the translocation of ENOS from the plasma membrane to vesicle-like subcellular structures, thereby attenuating ENOS-dependent NO production.[supplied by OMIM, Apr 2004]

    Molecular Monolayers on Silicon Surfaces

    • • Download PDF • Steacie Institute for Molecular Sciences, 100 Sussex Dr., Ottawa, Ontario, Canada E-mail: Gregory.Lopinski@nrc-cnrc.gc.ca Gregory P. Lopinski* and Daniel D.M. Wayner Controlled formation of organic molecular monolayers on silicon surfaces offers the promise of enhancing the functi...

    (R)-(+)- and (S)-(–)-Stericol® New, Effective Chiral Auxiliaries

    The introduction of chirality to organic molecules through the use of auxiliaries is a basic strategy in organic chemistry. Chiral benzylic alcohols are of particular interest because they often afford useful levels of stereoselection and are generally easy to cleave. Preparation of Dichlorocyclobut...

    The Rare Earth Crisis—The Supply/Demand Situation for 2010–2015

    • • Download PDF • Ames Laboratory, U.S. Department of Energy and Department of Materials Science and Engineering Iowa State University, Ames, Iowa 50011-3020, USA Email: cagey@ameslab.gov The rare earth elements impact nearly everyone in the world. All of the people living in advanced technological...

    Boron Nitride Nanotubes: Properties, Synthesis and Applications

    Products • Nanopowders and Nanoparticle Dispersions • Carbon Nanotubes Related Links • Carbon Nanomaterials: Elemental Analyses and Quantification of Their Accumulation in Living Cells • CoMoCAT® Single-wall Carbon Nanotubes • Carbon Nanofiber Applications & Properties • Single, Double, MultiWall Ca...

    Hydrosilylation Catalyst in Chemical Synthesis

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    Chiral 2,2’-Bipyrrolidines

    Daniel Weibel, Ph.D. European Market Segment Manager, Chemistry daniel.weibel@sial.com C2-symmetrical, chiral 2,2’-bipyrrolidines have recently emerged as interesting structural chiral motifs in a number of ligands for asymmetric transformations (Figure 1). When the two nitrogen atoms function eithe...

    Solid Phase Synthesis

    Related Links • Peptide Portfolio • Quotation Request Peptides are manufactured using solid phase FMOC or BOC chemistry methodologies on a PEG-Polystyrene support resin. Upon synthesis completion, side chain protecting groups are removed and the peptides are simultaneously cleaved from the resin. Th...

    Benzoylation Reagents for Chemical Synthesis

    Simple Tools for α-Oxygenation of Aldehydes and Ketones The α-hydroxycarbonyl moiety is an important structural motif in organic synthesis and is present in a substantial number of natural products. A variety of methods have been developed to prepare this functionality including α-oxygenation of eno...

    Chemical Deposition Techniques in Materials Design

    • • Download PDF • Sigma-Aldrich Materials Science During the last decade, chemical deposition techniques have played an exceptionally important role in the design and manufacture of novel advanced devices. Physical deposition techniques, such as molecular beam epitaxy (MBE), physical vapor depositi...

    Bis(pyridine)iodonium tetrafluoroborate

    • • Download PDF • This mild iodinating and oxidizing reagent is capable of selectively reacting with a wide range of unsaturated substrates and tolerates a variety of functional groups. Ipy2BF4 reacts with acetonides derived from simple terpenes to accomplish selective iodofunctionalization with ex...

    A Quantitative Mass Spectrometry-Based Approach for Identifying Protein Kinase Clients and Quantifying Kinase Activity

    • • Download PDF • Huang et al.1 have recently developed a quantitative mass spectrometry-based assay for identifying protein kinase substrates and quantifying kinase activity. This approach offers several advantages over current methods: • It is label-free and eliminates the need for fluorescent or...

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    Peptide Mapping with Ascentis Express Peptide ES-C18

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    Read the latest developments in CRISPR research

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    Formamide Molecular Biology Reagent

    CAS RN 75-12-7 EC 200-842-0 Synonyms: Amide C1, Formic Amide, methanamide, carbamaldehyde Formamide is a reagent that is an ionizing solvent in aqueous buffers. It is widely utilized in biochemistry and molecular biology, particularly in nucleic acids research. Procedures have been reported for the ...

    Lipid Metabolites as Biomarkers

    BioFiles Volume 5, Number 7 — Lipid Metabolism Download BioFiles v5 n7 (PDF) Table of Contents • Introduction • Natural Abundance Lipid Metabolites Glycerolipid Metabolsim Glycerophospholipid Metabolism Ether Lipid Metabolism Spingolipid Metabolism Fatty Acid Metabolism Terpenoid Metabolism Steroid ...

    Chloramine-T

    Although the aziridinations1 and aminohydroxylations2 of olefins using chloramine-T as a commercially-available and inexpensive nitrene source have been well documented, the use of chloramine-T in other capacities as an oxidizing agent is less well-known. When a solution of chloramine-T in acetonitr...

    Enzymatic Method for Determining Hydroxyproline (Hydroxyproline Assay)

    This assay protocol is suitable for the colorimetric detection of hydroxyproline in cell and tissue culture supernatants, urine, plasma, serum, and other biological samples using the Hydroxyproline Assay Kit (MAK008). hydroxyproline concentration is determined by the reaction of oxidized hydroxyprol...

    Glycol Ethers

    Introduction Chemistry Applications Product Profiles Properties of Glycol Ethers – Surface Tension – Vapor Pressure Curves – Inverse Solubility Storage & Handling Shipping Data Environmental Effects FDA Status EPA Status Product Safety Technical Service Glycol ethers, with both an ether and alcohol ...

    Organelle Isolation & Analysis Kits

    Enriching for organelles simplifies proteomic analysis and when partnered with protein pathway function allows key insight into development of healthy cell function as well as the disruption that leads to disease. The kits and reagents shown below enable researchers to enrich for functional mitochon...