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Bulk Quotation Request
Use this form to request price and delivery information on critical raw materials in your supply chain, unique and large package sizes or bulk quantities that are not available on the site and any other customization requests
Comet Assay
The Comet Assay, also called single cell gel electrophoresis (SCGE), is a sensitive and rapid technique for quantifying and analyzing DNA damage in individual cells.
Chloroquine Phosphate HPLC Assay and Impurity Profiling Methods Following the USP Monograph
Under applied conditions, system suitability criteria are met, and the Chloroquine Phosphate HPLC Assay and Impurity Profiling Methods demonstrate good resolution/selectivity, reproducibility, and sensitivity.
Kshitij RB Singh
Kshitij RB Singh is a biochemist specializing in nanobiotechnology. He’s currently working on fabricating plant material-based biosensors for the detection and diagnosis of lifestyle diseases. He gives us an insight into the details of his innovative work.
¹³ C MRS to Probe Brain Metabolism Using Hyperpolarized Pyruvic Acid
We present an article about the hyperpolarization of 13C labeled metabolites, especially pyruvic acid, using dynamic nuclear polarization (DNP) that allows real-time magnetic resonance spectroscopy.
Tools for Measuring Energy Expenditure
By first labeling molecular oxygen and then body water with 18O in a rat, Lifson measured the 18O abundance in expired CO2 and found the oxygens in CO2 exchanged with the oxygen in water. Indeed, these two oxygen containing species
Critical Micelle Concentrations (CMCs) - Avanti® Polar Lipids
The critical micelle concentration (CMC) can be approximately defined as the lipid monomer concentration at which appreciable amounts (>5% of total) of micellar aggregates first begin to appear in the equilibrium: nM1Mn
Immunodetection
The possible causes and potential remedies for challenges encountered as a result of blocking, washing, antibody incubation, and detection/exposure of Western blots
Preparing Cell Lysates
This page describes common challenges encountered when lysing cells and extracting proteins prior to Western blotting. Total protein concentration must be determined for these cell lysates. Variables affecting each of these steps are outlined below, as each could affect the
Lysosome Isolation Kit
Lysosomes are organelles ubiquitously distributed in most pro- and eukaryotic cells. The Lysosome Isolation Kit provides a method for isolating lysosomes from animal tissues and from cultured cells by differential centrifugation followed by density gradient centrifugation and/or calcium precipitation.
Use of Benzonase® Nuclease to Prevent Clumping of Stored Peripheral Blood Mononuclear Cells (PBMCs) During Vaccine Evaluation
Inclusion of Benzonase® Nuclease in PBMC thawing buffer prevents cell clumping and allows implementation of PBMC cryopreservation.
Enzymatic Method for Determining L-Amino Acids (L-Amino Acid Quantitation Assay)
Assay protocol for the colorimetric/fluorometric detection of L-Amino Acids in biological samples using the L-Amino Acid assay kit
GenomePlex Whole Genome Amplification Kit Protocol (WGA1)
GenomePlex is a Whole Genome Amplification (WGA) method that allows the researcher to generate a representative, 500-fold amplification of genomic DNA
Life Science
Life Science
Millicup™-FLEX Disposable Vacuum Filtration Units and demo video
Millicup™-FLEX disposable vacuum filter was designed to reduce contamination and save time. The solvent-resistant unit allows for filtration into storage bottles.
GC Analysis of a 37-Component FAME Mix on Omegawax® (15 m x 0.10 mm I.D., 0.10 μm), Fast GC Analysis
GC Analysis of a 37-Component FAME Mix on Omegawax® (15 m x 0.10 mm I.D., 0.10 μm), Fast GC Analysis
GC Analysis of Primary Amines on Carbowax® Amine
Separation of Propylamine; Butylamine; Pentylamine; Hexylamine; Heptylamine; Octylamine; Nonylamine; Decylamine
GC Analysis of Volatiles in Roasted Coffee Beans on Omegawax® after SPME using a 50/30 µm DVB/Carboxen/PDMS Fiber
-Cymene; 2,5-Dimethylpyrrole; Acetoin, ≥96%, FCC, FG; 2,5-Dimethylpyrazine; 2,6-Dimethylpyrazine; 2-Ethylpyrazine, ≥98%, FG; 2,3-Dimethylpyrazine; 4-Heptanone; 3-Ethylpyridine; 2,3,5-Trimethylpyrazine; Furfural; Pyrrole; Furfuryl acetate; Linalool; Linalyl acetate; 5-Methylfurfural; γ-Butyrolactone; 2-Acetyl-1-methylpyrrole; Furfuryl alcohol; 2-Acetylpyrrole; Pyrrole-2-carboxaldehyde
HPLC Analysis of Fatty Acid Methyl Esters (FAMES) on SUPELCOSIL LC-18
Separation of Methyl decanoate; Methyl dodecanoate; Methyl myristate; Methyl palmitate; Methyl caprylate; Methyl oleate; Methyl linoleate; Methyl linolenate; Methyl stearate
GC Analysis of Fermentation Compounds on a Packed Column (6.6% Carbowax® 20M on 80/120 Carbopack™ B AW)
Separation of Acetone; Acetic acid; Propionic acid; Ethyl butyrate; Ethanol; Isoamyl acetate; Isobutyric acid; 3-Methyl-2-butanol; Methyl acetate; 1-Propanol; Acetal, ≥98%, FG; 2-Methyl-1-pentanol; Butyl acetate; Ethyl propionate; 3-Pentanol; 2-Pentanol, 98%; Ethyl isobutyrate; Isobutyl acetate; Acetaldehyde; Furfural; Butyric acid; Methanol; Ethyl acetate
Determination of Water Content in Salicylic acid Using Karl Fischer Titration
Summary application report for analysis of moisture in Salicylic acid
Essential Oil on SLB®-5ms
-Pinocarveol; Menthol; (+)-Terpinen-4-ol; α-Terpineol; (±)-α-Terpinyl acetate, predominantly α-isomer; Germacrene D
GC Analysis of Lemon Essential Oil on SLB®-5ms (10 m x 0.10 mm I.D., 0.10 µM), Fast GC Analysis
-3,7-Dimethyl-2,6-octadien-1-ol; Neral; Geraniol; Geranial; Undecanal; Citronellyl acetate; Neryl acetate; 3,7-Dimethyl-2,6-octadienyl acetate; 1-Tetradecene; Tetradecane; α-Bisabolol
Replacing V-Rings & O-Rings on Transferpette® Multichannel Pipettes
This article and video demonstrate how to change the V-Rings and O-Rings on the tip cones of any Transferpette® Multichannel Pipette.
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