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    Search term:"oxidations"

    364 matches found for oxidations

    Gas Chromatography, Supelco Reporter 29.5

    EN 14110 (Determination of Methanol Impurity in B100 Biodiesel) Using SPME on the Equity-1 US EPA Method 8141 (Organophosphorous Pesticides) on the SLB-5ms and SPB-608 EN 14110 (Determination of Methanol Impurity in B100 Biodiesel) Using SPME on the Equity-1 back to top Katherine K. Stenerson and Mi...

    Assay Procedure for N-Acetylneuraminic Acid Aldolase

    The disappearance of NADH is measured at 340 nm by spectrophotometry. One unit causes the oxidation of one micromole of NADH per minute under the conditions described below. Reagents A. NANA solution :50mM [Dissolve 309mg of N-acetylneuraminic acid (MW=309) in ca. 15ml of 50mM K-phosphate buffer, pH...

    LC-MS Determination of Triacylglycerols in Expired Dairy Products and Seafood

    Related Articles • Reporter US Volume 33.4 (Food & Beverage Suppl.) • LC×LC/MS Method for TAGs in Marine Organisms using Different Extraction Procedures • Determination of Triglycerides and Waxes in Food Products Using Cool On-Column Injection and the MET-Biodiesel Capillary Column Marco Beccaria1 a...

    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...

    Assay Procedure for p-Hydroxybenzoate Hydroxylase

    The disappearance of NADPH is measured at 340nm by spectrophotometry. One unit causes the oxidation of one micromole of NADPH per minute under the conditions described below. Reagents A.Tris-malate buffer, pH 8.2 :50mM[Dissolve 3.03g of Tris (M.W=121.14) in ca.300ml of H2O and, after adjusting the p...

    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...

    Extended Lifetime Ethanol Metabolites and Method Development for Ethyl Sulfate and Ethyl Glucuronide Separation

    In this study methods are presented for ethanol metabolites ethyl glucuronide (EtG) and ethyl sulfate (EtS) Alcohol abuse remains an epidemic causing widespread health, legal, and economic impacts. Extreme abuse has escalated in volume and cases of alcohol abuse are consistently increasing in younge...

    Electrode Materials for Lithium Ion Batteries

    Related Articles • Surface-enhanced Solar Energy Conversion Systems Using Gold and Silver Nanoparticles • Materials for Clean H2 Production from Bioethanol Reforming • Changing the Landscape of Environmental and Energy Research Through Novel Nanoscale Materials • Nanomaterials for Energy Storage in ...

    13C MRS to Probe Brain Metabolism Using Hyperpolarized Pyruvic Acid

    João M. N. Duarte, Ph.D. Laboratory for Functional and Metabolic Imaging Ecole Polytechnique Fédérale de Lausanne Lausanne, Switzerland Arnaud Comment, Ph.D. Institute of Physics of Biological Systems Ecole Polytechnique Fédérale de Lausanne Lausanne, Switzerland Cerebral function depends on coordin...

    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]

    Liquids for Electrochemical Applications

    Over the past decade, Ionic Liquids have attracted much interest for their use as non-aqueous electrolytes in electrochemical applications. In this context, their conductivity as well as their electrochemical stability are the most important physical properties. Together with other interesting prope...

    PEM Fuel Cells

    • Introduction • Fuel Cell Components • Fuel Cell Catalysts • Fuel Cell Membranes • References • Materials Introduction Fuel cells are an alternative energy technology that generate electric energy through the reaction between hydrogen (or a hydrogen-rich fuel source) and oxygen. These devices are p...

    Atomic Layer Deposition of Nanomaterials for Li-Ion Batteries, Fuel Cells, and Solar Cells

    Erwin Kessels,* Harm Knoops, Matthieu Weber, Adrie Mackus, and Mariadriana Creatore Department of Applied Physics, Eindhoven University of Technology P.O. Box 513, 5600 MB Eindhoven, The Netherlands *Email: w.m.m.kessels@tue.nl Nanomaterials are considered a route to the innovations required for lar...

    Dess–Martin Periodinane

    Dess–Martin Periodinane (DMP) is among the most widely used reagents for the mild oxidation of alcohols to aldehydes and ketones.1 The neutral conditions of the oxidation reaction make it a suitable choice in syntheses of sensitive, functionally complex intermediates. When used in hydrophilic ionic ...

    Benzoylation Reagents - Simple Tools for α-Oxygenation of Aldehydes and Ketones

    . Materials List 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-o...

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

    Introduction Introduction of chirality in 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. The enantiomers of 1-(...

    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...

    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 ...

    Tutorial in Microelectronics and Nanoelectronics

    Related Products • Micro and Nanoelectronics products Related Articles • High-Sensitive Deep Tissue Imaging • Electronic & Biomedical Applications of SWNTs • Graphene Inks for Printed Electronics • PCBM-Based n-Type Semiconductors • Plexcore® Organic Conductive Inks • Ruthenium-based dyes for Dye So...

    Ferric and Ferrous Iron in Cell Culture

    Importance and uses of iron in serum-free eucaryotic, including hybridoma and Chinese Hamster Ovary (CHO) cell, cultures Iron is an essential transition metal in cell culture. It has both beneficial and toxic properties. Consequently, the management of iron levels and delivery are a major challenge....

    Barberry (Berberis sp) | Plant Profiler

    Synonyms / Common Names / Related Terms Agrecejo, almindelig berberis (Danish), alvo (Spanish), berbamine, Berberidaceae (family), berberidis cortex, Berberis aristata, Berberis dumetorum, berberidis radicis cortex, Berberis thunbergii, berberine bisulfate, berberitze, berberrubine, berberry, bervul...

    Assay Procedure for Protocatechuate 3,4-Dioxygenase

    The disappearance of protocatechuate is measured at 290nm by spectrophotometry. One unit causes the oxidation of one micromole of protocatechuate per minute under the conditions described below. Reagents A. Tris-acetate buffer, pH 7.5 :50mM[Dissolve 6.1g of Tris (MW=121.14) in ca.800ml of H2O and, a...

    Aldehydes | Types & Structure

    Vol. 2, No. 2 Smart Blocs™ Download PDF version (1.03 MB) Introduction / Aldehydes / Brominated Compounds / Related Products / Reference Books Aldehydes Heterocycles / Boronic Acids / Salicylaldehyde-like / Acids & Esters / Arylaldehydes Supported Reagents / CHO Functionalized Resins / Aldehyde Scav...

    Nicewicz Photoredox Catalysts for Anti-Markovnikov Alkene Hydrofunctionalization

    While Markovnikov alkene reactivity is very well developed and utilized commonly in the synthesis of commodity and research chemicals, catalytic access to the anti-Markovnikov-selective adducts is a much less-developed endeavor. In collaboration with Professor David Nicewicz, Sigma-Aldrich is proud ...

    Ginseng (Panax ginseng) | Plant Profiler

    Synonyms / Common Names / Related Terms Ginseng (American ginseng, Asian ginseng, Chinese ginseng, Korean red ginseng, Panax ginseng:Panaxspp., includingP. ginsengC.C. Meyer andP. quinquefoliusL., excludingEleutherococcus senticosus), Acetylenic alcohol, acidic polysaccharides, acupuncture-moxibusti...

    Paints & Coatings Solvents Air Monitoring Applications

    Solvents are one of the three components of paints. They are petroleum-based chemicals which dissolve the pigment and binding agent for application. Most enamel-based paints use a mild petroleum-based solvent with an alkyd vehicle, and have a long drying and curing time. Conversely, lacquer-based pa...

    Damiana (Turnera diffusa) | Plant Profiler

    Synonyms / Common Names / Related Terms 1,8-cineol, Bignoniaceae (family), bourrique, caryophyllene, caryophyllene oxide, Damiana aphrodisiaca, damiana de Guerrero, damiana herb, damiana leaf, delta-cadinene, elemene, flavone glycoside, herba de la pastora, flavonoids, Mexican damiana, Mexican holly...

    Ruthenium-Based Dyes for Dye Solar Cells

    Material Matters 2008, 3.4, 99. Dye solar cells (DSCs) are third generation solar cells with the promise of high efficiency combined with low production costs. While present day DSCs provide light-to-electricity conversion of up to 11%, significant further improvement is envisaged through optimized ...

    Western Blotting Sample Preparation

    Chapter 2, Extracted from Western Blotting Principles and Methods, GE Healthcare Life Science, 2011 Symbols This symbol indicates general advice on how to improve procedures or recommends measures to take in specific situations ** indicates a third party trademark The importance of good sample prepa...

    Alkynes

    Aldrich ChemFiles 2006, 6.6, 6. Alkynes have been used for many years in the Sonogashira coupling reaction1 and related Castro-Stephens reaction,2 and have recently gained considerable interest in the Huisgen 1,3- dipolar cycloaddition with organic azides.3 Recently, Walsh demonstrated the use of te...

    Oxidative Stress in Cell Culture

    Importance of oxidative stress in serum-free eucaryotic, including hybridoma and Chinese Hamster Ovary (CHO) cell, cultures Dimolecular oxygen is an essential ingredient of cell culture systems. However, oxygen is also a potent mediator of toxicity in cell culture. The toxicities attributed directly...