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    Search term:"chemical_reactions"

    44 matches found for chemical_reactions

    Glycoprofile Metabolic Labeling

    Highly selective chemical reactions within a cellular environment can be powerful tools for tracking and elucidating biological processes or engineering novel interactions. This chemical transformation permits the novel formation of covalent adducts of biopolymers within cells. Peracetylated unnatur...

    Versatile Cell Culture Scaffolds via Bio-orthogonal Click Reactions - Technical Article

    1,2Malar A. Azagarsamy, 1Navakanth R. Gandavarapu, 1,2Kristi S. Anseth* 1Department of Chemical and Biological Engineering and 2the Howard Hughes Medical Institute, University of Colorado at Boulder, Boulder, CO 80303 Email: Kristi.Anseth@colorado.edu 1,2Malar A. Azagarsamy, 1Navakanth R. Gandavarap...

    Solvents for Chemical Industry

    We provide the largest offerings of high-quality solvents to meet the needs of Oil Industry, Specialty Chemicals, and Medical Materials. For more information, please visit Industrial R&D chemical synthesis workflow. • Chemical Reactions • Reaction Analysis • Purification • Product Analysis • Custom ...

    Metal-Organic Complexes for Doping Organic Semiconductors and Surface Doping

    Categories • Graphene Technologies • Organic Semiconductors • OPV • OFET • Pentacene OFET • PEDOT:PSS The conductivity of organic semiconductors can be increased, and the barriers to charge-carrier injection from other materials can be reduced, by the use of highly reducing or oxidizing species to n...

    Gold Nanoparticles: Properties and Applications

    Related Products • Gold Nanoparticles • Silver Nanoparticles • Nanomaterials • Specialty Polymers and Nanomaterials for Drug Delivery Related Articles • Gold Nanostructures • Silver Nanoparticles: Properties and Applications • Silver Nanomaterials: Properties & Applications • Silica Coated Gold Nano...

    Tambar Group – Products and Articles

    Related Links • VIEW PRODUCT LIST • Professor Product Portal • Catalysis and Inorganic Chemistry • Organic Synthetic Chemistry • Chemical Biology Professor Product Portal Index Professor Uttam K. Tambar The Tambar Group has developed a series of reactions to convert unactivated olefins into value-ad...

    Nanostructured Materials Through Ultrasonic Spray Pyrolysis

    Related Articles • A Review of Mesoprous TiO2 Thin Film • Synthesis of Melting Gels using Mono-Substituted and Di-Substituted Alkoxysiloxanes • Advanced Inorganic Materials for Solid State Lighting • Materials for Energy Efficiency (4.18 Mb PDF) • Nanoscale Surface Modification (3.24 Mb PDF) • Organ...

    Indicators

    Accuracy and Reliability: Indicators for Titration and Other Applications We offer a large portfolio of high-quality indicators for observing chemical reactions. Our wide range of different products in various packaging sizes enables you to obtain all the indicators you need for your application fro...

    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...

    Safer High-performance Electrodes, Solid Electrolytes, and Interface Reactions for Lithium-Ion Batteries

    Yves J. Chabal, Kyeongjae Cho, and Christopher L. Hinkle* (Roberto C. Longo, K. C. Santosh, Amandeep K. Sra, David E. Arreaga-Salas, and Katy Roodenko; not pictured) Department of Materials Science and Engineering, University of Texas at Dallas, Richardson, Texas 75082 USA *Email: chris.hinkle@utdal...

    KitAlysis™ High-Throughput Screening Kits

    In the high-pressure environment of discovery chemistry, time is everything. While general catalytic methods exist, substrate dependency makes it difficult to predict optimal conditions in practice. A thoughtful screening process is the best way to cover a large amount of chemical space quickly whil...

    Molecular Layer Deposition of Organic and Hybrid Organic-Inorganic Polymers

    • • Download PDF • 1Department of Chemistry and Biochemistry and 2Department of Chemical and Biological Engineering, University of Colorado, Boulder, Colorado 80309 E-mail: Steven.George@Colorado.edu Steven M. George*1,2 and Byunghoon Yoon1 Atomic layer deposition (ALD) techniques have emerged in th...

    Biocompatible Dendritic Building Blocks for Advanced Biomedical Research

    Dendrimers and dendrons are symmetrically branched polymer structures that possess a well-defined spatial distribution of functional groups. These dendritic materials have attracted considerable interest due to their monodisperse nature and other unique properties such as enhanced solubility and red...

    Air-Sensitive Glassware - Schlenk-Type - Sigma-Aldrich Glassware Catalog

    Schlenk-Type • Storage • Septa • Inert Gases & Equipment Introduction • Typical Operations • Accessories This system is specifically designed for additions, chemical reactions, distillations, drying/ evaporation, extractions, filtrations, recrystallizations, washing, degassing, and transfers of soli...

    Polyethylene Glycol (PEG) Selection Guide

    Polyethylene glycol (PEG), also sometimes referred to as polyethylene oxide (PEO), is a condensation polymer of ethylene oxide and water that has several chemical properties that make it useful for biological, chemical and pharmaceutical applications. Polyethylene glycol can be easily synthesized by...

    Barry Sharpless Group – Professor Product Portal

    Related Links • VIEW PRODUCT LIST • Professor Product Portal • Catalysis and Inorganic Chemistry • Chemical Biology Professor Product Portal Index Professor Barry Sharpless The Sharpless Lab pursues useful new reactivity and general methods for selectively controlling chemical reactions. Though the ...

    Nanostructured Materials Through Ultrasonic Spray Pyrolysis | Technical Article

    Jin Ho Bang,1,2 Yuri T. Didenko,3 Richard J. Helmich,1,4 and Kenneth S. Suslick1* 1School of Chemical Sciences, University of Illinois at Urbana-Champaign, 600 S. Mathews Av., Urbana, IL 61801 USA 2Current address: Department of Chemistry and Applied Chemistry, Hanyang University, 55 Hanyangdaehak-r...

    Alternative Energy Tutorial

    Introduction Batteries Fuel Cells Conducting Polymers High-Purity Inorganics Liquid Electrolytes Plasticizers and Binders Solid Polymeric Electrolytes References Fuel cells and batteries are electrochemical cells used to generate an external electrical current. They consist of an anode, where oxidat...

    MRI/MRS: Use of Isotopes in Hyperpolarization

    • • Download PDF • ISOTEC Stable Isotopes: MRI/MRS: Use of Isotopes in Hyperpolarization (402 Kb PDF) Pratip Bhattacharya, Ph.D. Director of Enhanced Magnetic Resonance Laboratory Huntington Medical Research Institutes, Pasadena & Assistant Professor Keck School of Medicine, University of Southern C...

    Quality Management Systems - Customer Support

    Sigma-Aldrich is a global company with sales, manufacturing, and distribution facilities in 38 countries. Many of these locations have quality systems that adhere to the requirements of ISO 9001 and have received third party accreditation. Sigma-Aldrich also operates many facilities in compliance wi...

    Dendritic Polyester Scaffolds for Drug Delivery Applications

    Related Articles • Dendrons and Hyperbranched Polymers: Multifunctional Tools for Materials Chemistry Categories • Dendrimers Dendrimers and dendrons are highly branched polymer structures with a precise distribution of functional groups. In contrast to their linear analogues, they are monodisperse ...

    Silicon Carbide: The Return of an Old Friend

    • • Download PDF • School of Electrical, Electronic and Computer Engineering Newcastle University Newcastle upon Tyne, UK *Email: n.g.wright@ncl.ac.uk In recent years silicon carbide, SiC, has re-emerged as a vital technological material that is crucial in many materials and engineering applications...

    TLC Plate Selection Guide

    Thin layer chromatography (TLC), an analytical technique often used to separate and identify compounds present in a given mixture, can also be used to determine the purity of a particular substance within that mixture. TLC is ecomomical; hence it is often used for preliminary evaluations of separati...

    Synthesis and Biomedical Applications of Polyamino Acids

    Ziyuan Song,1 Rujing Zhang,1 Hua Lu,1 Nathan P. Gabrielson,1 Lichen Yin,1 Ettigounder Ponnusamy,2 and Jianjun Cheng1* 1Department of Materials Science and Engineering, University of Illinois at Urbana−Champaign, 1304 West Green Street, Urbana, IL 61801, USA 2Sigma-Aldrich, 3500 DeKalb Street, St. Lo...

    Chemistry in Flames: From Oxide to Salt and Metal Nanoparticles

    • • Download PDF • Institute of Chemical and Bioengineering Department of Chemistry and Applied Biosciences ETH Zurich, Switzerland *Email: wendelin.stark@chem.ethz.ch Small-scale materials with particle diameters in the nanometer range have already been used for a long time. The Chinese used carbon...

    Tools for Protein Quantitation

    Trusted Products for Protein Assays Reliable products for traditional protein quantitation techniques such as BCA and Bradford as well as products for alternative total protein determination assays such as Lowry, Micro Pyrogallol and FluoroProfile® Fluorescent Assays • FluoroProfile Colorimetric Ass...

    Hexafluoroalcohol-functionalized Methacrylate Monomers for Lithographic/Nanopatterning Materials

    • • Download PDF • IBM Almaden Research Center, San Jose, CA *Email: dipietro@almaden.ibm.com To keep pace with Moore's Law, there is a continuing need in the semiconductor industry to achieve higher circuit density in microelectronic devices. The principle means of defining high resolution circuitr...

    Schlenk Type Glassware

    Vol. 3, No. 1 Strong and Hindered Bases in Organic Synthesis Download a PDF version Introduction / Phosphazene Bases / Verkade's Superbases / Traditional bases Preservation of Reagents / Aldrich Schlenk-Type Glassware ALDRICH SCHLENK-TYPE GLASSWARE This system is specifically designed for additions,...

    Vitamin B12, cobalamin, in Cell Culture

    Importance and uses of Vitamin B12 in serum-free eucaryotic, including hybridoma and Chinese Hamster Ovary (CHO) cell cultures Cultured cells require pM levels of physiological Vitamin B12. Vitamin B12 supplementation concentrations range from 0 to 7.4 µM in non-proprietary commercially available cl...

    Methods of Synthesizing Monodisperse Colloidal Quantum Dots

    Lutfan Sinatra, Jun Pan, Osman M. Bakr* Physical Science and Engineering Division King Abdullah University of Science and Technology, Thuwal, Saudi Arabia *Email: osman.bakr@kaust.edu.sa Colloidal quantum dots (CQDs) are semiconducting crystals of only a few nanometers (ca. 2–12 nm) coated with liga...