Showing 1-30 of 88 results for "127-20-8"
Electrospun Nanofibers for Drug Delivery Systems
Local delivery of bioactive molecules using an implantable device can decrease the amount of drug dose required as well as non-target site toxicities compared to oral or systemic drug administration.
Analysis of Pesticide Residues in Cannabis Using QuEChERS Extraction and Cleanup Followed by GC/MS/MS Analysis
Compared to conventional PSA/C18/GCB cleanup, cannabis extracts cleaned with the Supel QuE Verde mixture showed lower GC/MS background, and better recoveries for many pesticides.
Analysis of Melamine in Milk
Melamine was extracted from milk using Supelco® Discovery® DSC-SCX SPE tubes. Analysis was performed by HPLC, using an Ascentis® Express HILIC column.
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.
Corning
Corning® brand glass and plastic labware, filtration membranes, cell culture supplies, and equipment for life sciences.
Dinuclear Zinc Catalysts
The aldol reaction is arguably one of the most important C–C bond forming reactions in the synthesis of complex molecules.
Organosilanols
Over the past several years, the Pd-catalyzed cross-coupling of silicon compounds (Hiyama coupling) has rapidly gained acceptance as a suitable alternative to more commonly used methods such as Stille (Sn), Kumada (Mg), Suzuki (B), and Negishi cross-couplings (Zn).
Amino Acids, Resins & Reagents for Peptide Synthesis
We offer an extensive range of amino acids, resins, and reagents of unparalleled quality, including Novabiochem®, for peptide synthesis, high-throughput organic chemistry, labeling peptides, and custom manufactured products.
Organosilanes for Cross-coupling
Over the past several years, Pd-catalyzed cross-coupling of silicon compounds has rapidly gained acceptance as a suitable alternative to more commonly known methods such as: Stille (Sn), Kumada (Mg), Suzuki (B), and Negishi (Zn) cross-couplings.
Enzyme-Linked Immunosorbent Assay (ELISA) Kits
Enzyme-linked immunosorbent assay (ELISA) kits, reagents, and resources that provide ultrasensitive biomarker detection.
Analysis of Bisphenol A and Analogous Compounds in Infant Formula
SupelMIP SPE-Bisphenol A gave high recovery for baseline resolution of five related compounds with LC-Fluorescence detection.
Laminin Coating Protocol
Laminin coating protocol, products and FAQs at sigmaaldrich.com
Asymmetric Allylic Alkylation
Palladium-catalyzed asymmetric allylic alkylation (AAA) has proven to be an exceptionally powerful method for the efficient construction of stereogenic centers.
Sample Management: Storage
Essential lab storage solutions for lab management, sample traceability, and enhanced productivity including freezer and cryogenic boxes, glass and plastic tubes and bottles, and sealing films and foils.
Stable Isotopes
ISOTEC® Stable Isotopes are stable isotope compounds, ranging from gases to complex molecules, that are useful for tracer studies in proteomics and metabolomics, agents for MRI / MRS, and in a wide range of other biomedical applications.
Glycosyltransferases
Glycosyltransferases were initially considered to be specific for a single glycosyl donor and acceptor, which led to the one enzyme-one linkage concept. Subsequent observations have refuted the theory of absolute enzymatic specificity by describing the transfer of analogs of some...
Nanostructured Materials Through Ultrasonic Spray Pyrolysis
Advances in materials have often been led by the development of new synthetic methods that provide control over size, morphology and structure. The preparation of materials in a scalable and continuous manner is critical when development moves beyond lab-scale quantities.
Copper-Free Click Chemistry
Copper-free click chemistry is an alternative approach to click chemistry that proceeds at a lower activation barrier and is free of cytotoxic transition metal catalysts.
Development of a New Advanced KSOM Mouse Embryo Media that Enables Dual-Use Embryo Culture and Cell Handling Applications
Advanced KSOM mouse embryo media that can be used as a single medium for both harvest and culture of mouse embryos to facilitate creation of transgenic knockout mice.
HPLC Columns & Accessories
Our wide selection of HPLC columns for small and large molecule analysis allows you to enhance the separation process in terms of retention, resolution, selectivity, and analysis time, all while reducing the time for method development.
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...
Nanostructured Materials Through Ultrasonic Spray Pyrolysis
Nanostructured Materials Through Ultrasonic Spray Pyrolysis
Gel Filtration Markers Kit for Protein Molecular Weights 12,000-200,000 Da
Gel filtration chromatography is an established method for determining the size and molecular mass of proteins.
Rhenium-Oxo Catalysts
Rhenium(V) forms a large number of stable octahedral complexes with multiple bonds to oxygen with traditional Re systems focusing on formal, stoichiometric oxygen atom transfer to organic reductants such as phosphines, alkenes, and sulfides.
Preparation & Staining of 3D Printed Tissues & Scaffolds
Three-dimensional (3D) printing of biological tissue is rapidly becoming an integral part of tissue engineering.
Noble-Metal Nanostructures with Controlled Morphologies
Noble-Metal Nanostructures with Controlled Morphologies
Self-Assembly in Organic Thin Film Transistors for Flexible Electronic Devices
Flexible electronic circuits and displays based on organic active materials are future generations of products that may eventually enter mainstream electronics market.
Duolink® References
Find Duolink references based on the type of method used, post translational modification detected, and research focus.
Chronobacter spp. Classic and New Detection Methods
Chronobacter spp. Classic and New Detection Methods

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