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Showing 1-30 of 278 results for "87-81-0" within Site Content
Photometric Determination of Iron in Beer
Rapid and easy analysis of iron in pale beer samples with 1,10-Phenanthroline using spectrophotometry, facilitated by the formation of a stable red complex.
Reducing the Need for Animal Testing for Biological Reactivity in Polymer Characterization
This page provides an overview of USP , , and , compares bioreactivity testing, and describes the transition of our organization towards in vitro test methods.
Pressure-Temperature Calculator for Solvents
Use the calculator to determine the boiling point or pressure of solvents based on the Antoine Equation and see solvent attributes. View a list of products based on the solvent CAS number.
Carcinogenesis and Epigenetics
Cancer research has revealed that the classical model of carcinogenesis, a three step process consisting of initiation, promotion, and progression, is not complete.
NHC-based Palladium Catalysts
In collaboration with Umicore AG and Co.,1 we are pleased to offer a series of robust Pd(II) and Pd(0) complexes employed as the linchpin in C–C bond forming reactions.
3D Neurosphere Culture Media
3D neurosphere culture protocol to expand human U-87 MG glioblastoma cells in serum-free/xeno-free stem cell culture media. Explore over 350 PromoCell products on Sigma.com.
Mesoporous Silica Applications
Mesoporous silica used in wastewater remediation, air cleaning, catalysis, bio-catalysis, and drug delivery.
Louie Group – Professor Product Portal
Professor Louie's research focuses on the discovery and mechanistic understanding of new reactions catalyzed by transition metal complexes. She has developed a highly active Ni(0) catalyst that effectively mediates a variety of cycloaddition and isomerization reactions.
Isotopic Labeling for NMR Spectroscopy of Biological Solids
Isotopic Labeling for NMR Spectroscopy of Biological Solids;
Chromatofocusing: Principles and Methods
This page covers the principles and methods of chromatofocusing, a chromatography technique that separates proteins according to differences in their isoelectric point (pI).
LRA (Lipid Removal Agent) for Biopharmaceutical Production
Lipids are naturally-occurring hydrocarbons that are poorly soluble in water and soluble in non-polar solvents such as ether and chloroform.
New NHC–Pd Complexes for Challenging Aryl Chloride Couplings
Air- and moisture-stable NHC–Pd palladates showed high activity in key couplings, matching or exceeding many PEPPSi and other NHC-Pd precatalysts.
2D MXenes Ink: Synthesis, Properties, and Their Precursors
Optimizing the synthesis of high-quality 2D MXene flakes for 3D ink printing is essential to such technological developments as printable and flexible electronics.
Stripping and Reprobing Western Blotting Membranes
This page shows and discusses three protocols for stripping and reprobing a western blot membrane.
AdQPhos and Pd pre catalysts for alpha arylation reaction
Discover AdQPhos and its Pd pre-catalysts for selective α-arylation of diverse nucleophiles under mild aqueous conditions without hazardous solvents.
Echavarren Group – Professor Product Portal
The research of the Echavarren group centers on the development of new reactions based on the use of electrophilic complexes of Au(I), Pt(II), and other transition metals as catalysts and their applications in organic synthesis of complex, biologically active molecules.
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Corning® Spheroid Microplates
Understand how Corning® Spheroid Microplates can be used for generating and culturing tumor spheroids in a 96-well spheroid microplate format.
Column Packing and Preparation for Size Exclusion Chromatography
Column Packing and Preparation for Size Exclusion Chromatography
GPCR Markers for Cancer Research
Explore the role of some selected GPCR markers in cancer research development and treatment, including neurohormonal GPCRs, rhodopsin-like GPCRs, and more.
Performing a Purification of NADP+-dependent dehydrogenases and other enzymes with affinity for NADP+ Using 2’5’ ADP Sepharose 4B and Red Sepharose CL-6B
This page shows how to purify NADP+-dependent dehydrogenases and other enzymes with affinity for NADP+ by affinity chromatography using 2’5’ ADP Sepharose 4B and Red Sepharose CL-6B from Cytiva.
Sample Preparation for Chromatographic Purification
This page discusses various aspects of sample preparation for chromatographic purification.
Extractables Studies of Single-Use Equipment Immediate Identification and Quantification of Unknown Extractables by GC/MS with a Certified Reference Material Mix for Extractables and Leachables
Identification and quantification of the most common extractables originating from single-use equipment by GC/MS and an Extractables and Leachables Screening Standard.
gamma Valerolactone Bio Based Dipolar Aprotic Solvent
Explore gamma-valerolactone (GVL) as a greener solvent replacing DMF, NMP, and DMAc in organic synthesis with efficiency and low toxicity.
Dietary Antioxidants
Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.
Thermoelectric Performance of Perovskite-type Oxide Materials
The prevailing strategies for heat and electric-power production that rely on fossil and fission fuels are having a negative impact on the environment and on our living conditions.
Performing a Separation with HiTrap® Protein G HP
Purify monoclonal or polyclonal IgG from serum, cell culture supernatant or ascitic fluid using the HiTrap Protein G HP from Cytiva, an affinity-exclusion chromatography product containing Sepharose-immobilized Protein G.
Spermine Tetrahydrochloride for Molecular Biology
This product is suitable for DNA precipitation from low salt aqueous buffers. It has been tested for the absence of proteases and nucleases.
Determination of Tanshinone IIA and key ginsenosides
Method development for HPLC-UV quantification of tanshinone IIA and key ginsenosides in Guanxin Danshen Diwan as per the Chinese Pharmacopoeia draft.
Phosphatase Inhibitor Cocktail
The use of phosphatase inhibitors is critical for all types of phosphorylation studies. Compare phosphatase inhibitor cocktails to select the best one for your research.
Protocol Guide: Generation of Apical-Out Gastrointestinal Organoids
Step-by-step protocol for generating apical-out human gut organoids for microbiome, ADME/Tox, viral and gastrointestinal related disease research. See the complete organoid culture protocol.
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