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Showing 1-30 of 41 results for "100-63-0" within Site Content
Determination of Fipronil and Fipronil Sulfone in Food Using Purospher® STAR RP-18 Endcapped Column and UV Detection
broad spectrum insecticide, egradation product, phenylpyrazole pesticide, World Health Organization (WHO), HPLC, UV, testing of Fipronil and Fipronil sulfone in Food
Simplified LC-MS/MS Method for Glyphosate, AMPA, and Glufosinate in Oat-Based Cereals
A simplified LC-MS/MS method to determine glyphosate and related compounds using a Supel™ Carbon LC U/HPLC column for stability under higher pH conditions and sufficient retention for the polar analytes in the presence of methanol as an extraction solvent.
Guanylation of Amines by Bis(tert-butoxycarbonyl)thiopseudourea, Polymer-Bound
1 Introduction of a guanidinyl group can be achieved by the reaction of substituted amines with various guanylation reagents.2,3,4 One such guanylating reagent is bis(tert-butoxycarbonyl)thiopseudourea, polymer-bound.
Iodine in Drinking Water, Wastewater and Disinfection Solutions
Spectrophotometric determination of iodine with dipropyl-p-phenylenediamine (DPD) in drinking water, wastewater, and disinfection solutions in a range of 0.050 – 10.00 mg/L.
Analysis of Pesticide Residues in Ginger Powder Using QuEChERS Extraction and Clean-up with a Novel Dual Layer SPE Cartridge
The odor and pungency of ginger is due to the presence of terpenes, gingerols and shogaols. These compounds contribute to the highly complex matrix of ginger, which subsequently presents a challenge in low level analyses of contaminants. A novel 2-layer
Amino Acids Reference Chart
Amino acid reference chart contains the twenty amino acids found in eukaryotes, grouped according to their side chains and charge. Discover our full product line of amino acids, including Alanine, Isoleucine, Leucine, Valine, Phenylalanine, Tryptophan, Tyrosine, Aspargine, Cysteine, Glutamine
Sample Preparation for Chromatographic Purification
This page discusses various aspects of sample preparation for chromatographic purification.
A Simple Strategy for Protein Enrichment Using Ultrafiltration
The human plasma proteome is a vast resource for biomarker discovery and investigation.
Extractables Study with LC-UV/MS
Reliable identification and quantification of unknown extractables of a single-use system (SUS) with a 21 component CRM mix for liquid chromatography (LC-UV/MS) methods using Ascentis® C18 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.
pH Test Strips, pH Papers, Readers & Accessories
Discover and explore our range of MQuant® and Reflectoquant® pH indicator papers, kits, and non-bleeding pH strips for rapid pH measurement easier than ever. Order now.
Sample Preparation for Size Exclusion Chromatography
Samples for chromatographic purification should be clear and free from particulate matter. Simple steps to clarify a sample before beginning purification will avoid clogging the column, can reduce the need for stringent washing procedures, and can extend the life of
Analysis of Pesticides in Turmeric Powder by LC/MS/MS and GC/MS/MS after Cleanup with Dual-Layer SPE Cartridge
Pesticide residue testing of turmeric and other (dried) spices is challenging due to their complex compositions and high matrix. An efficient SPE clean-up can be achieved by a new Dual-layer cartridge.
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.
Base Resins for Peptide Synthesis
The Novabiochem® product line has one of the most extensive ranges of polymer-supports for solid phase peptide synthesis. They range from high-loaded, lows welling for the large-scale production of relatively short peptides to high-swelling, low-loaded for the synthesis of long
SPME-GC-MS Determination of Phthalate Esters in Ramen Noodle Flavor Packets
A sensitive, quantitative, and reproducible SPME-GC/MS procedure was developed by Supelco for the extraction of phthalate esters from oily food matrices, such as the flavored oils included with ramen noodle kits.
Sample Preparation for Affinity Chromatography in Specific Groups of Biomolecules
Sample Preparation for Affinity Chromatography in Specific Groups of Biomolecules
Sample Preparation in Ion Exchange Chromatography
This page clarifies sample preparation, buffer exchange and desalting, removal of lipoproteins, phenol red, and low molecular weight contaminants in Ion exchange chromatography.
Analysis of Pesticide Residues in Pistachios Using QuEChERS Extraction and Cleanup with Supel™ QuE Z-Sep+
Pistachios contain approximately 45% fat, which can result in a significant amount of coextracted matrix in the acetonitrile extract generated using the QuEChERS procedure. A zirconia based adsorbent significantly reduces coextracted matrix prior to LC-MS or GC-MS.
Introduction to Ionic Liquids
This class of ionic, salt-like materials are liquid at unusually low temperatures. Explore uses and applications for these chemicals like imidazolium and pyridinium derivatives.
Solubility Table of Compounds in Water at Temperature
Check the solubility of 128 common inorganic compounds (salts and acids) in water at different temperatures from 0 degrees Celsius to 100 C. Compound formulas are also given in this table of solubility in relation to temperature.
Glutamate Receptors (G Protein Family)
Sigma-Aldrich offers many products related to G-protein family glutamate receptors for your research needs.
Single-Double Multi-walled Carbon Nanotubes
Find unique properties & applications of single (SWNTs) , double (DWNTs) & multi walled carbon nanotubes (MWCNTs).
Bio-Inspired “Green” Synthesis of Nanomaterials and their Applications
Silica is a very popular inorganic nanomaterial used in a wide range of applications including fillers for rubber, catalyst supports, separation media, carriers in food and agriculture, and abrasive/anticaking agents in cosmetics. It is also widely believed to be an
Naive Pluripotent Stem Cell Culture in an Inhibitor Based 2i/LIF Containing Serum-Free and Feeder-Free Stem Cell Media
Naive pluripotent stem cells are located within the epiblast of mature blastocysts. These primitive “ground-state” cells may be cultured in vitro using specialized media and small molecule inhibitors.
Human PBMC Isolation and Counting Using the Scepter™ 2.0 Handheld Automated Cell Counter
Using the 40 µm aperture sensor, the Scepter cell counter can accurately and precisely count a broad range of cell types, including small cells such as PBMC and red blood cells.
Photo-Crosslinkable Gelatin Hydrogel: Versatile Materials for (High Resolution) Additive Manufacturing
Discussion of synthetic modifications to gelatin, improving the three-dimensional (3D) print resolution, and resulting material properties.
Analysis of Pesticides in Baby Food by Solid Phase Microextraction (SPME) Using a New Overcoated Fiber
A direct immersion SPME method using a new overcoated SPME fiber was developed for the extraction of pesticides from pureed prune baby food.
Tips for Optimizing Immunofluorescence Protocols to Get the Best Image
Uses for immunofluorescence (IF)—where an antibody conjugated to a molecule that fluoresces when excited by lasers— include protein localization, confirmation of post-translational modification or activation, and proximity to/complexing with other proteins.
Soft Magnetic Nanocrystalline Alloys: Materials and Models
Magnetic materials permeate numerous daily activities in our lives. They are essential components of a diversity of products including hard drives that reliably store information on our computers, decorative magnets that keep the shopping list attached to the refrigerator door
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