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88 matches found for fractionation

Enzyme Explorer Lectin Index

We have the largest selection of lectins and lectin conjugates available, with over 100 products from over 35 sources. Backed by quality and service you’ve come to expect, we offer lectins for all your life science applications, including: • Histochemical Studies • Lymphocyte Subpopulations Studies ...

Gas Chromatography Literature

NEW! Ionic Liquid GC Literature NEW! Fast GC Literature Pub. Id. Subject Type Size (KB) No. of Pages Frequently Requested Literature T407133 GC Column Selection Guide Brochure 884 24 T407096 Fast GC Brochure Brochure 3,444 28 JXB Dioxin & PCB Analysis Brochure 2,054 16 T407123 Astec CHIRALDEX Chiral...

In Pursuit of the Elements

A Validated Amino Acid Analysis Assay for Accurate Quantification of Stable Isotope Labeled Protein Reference Materials: SIL Thyroglobulin Case Study

With the emergence of mass spectrometry for the clinical measurement of proteins in biological matrices, the development of biological reference materials will continue to grow in importance. Certified Reference Materials with values assigned by metrologically valid procedures will be critical to mi...

Characterization of Clinically-Relevant Stable Isotope Labeled Recombinant Proteins For Use As Internal Standards in Quantitative MS Workflows

Characterization of heavy (SIL) proteins for use in quantitative MS workflows Methods for quantification of clinical protein biomarkers by mass spectrometry demand a high level of analytical quality. Procedures must be developed to minimize and control experimental variations in all steps of the wor...

Seaweed, kelp, bladderwrack (Fucus vesiculosus) | Plant Profiler

Synonyms / Common Names / Related Terms Algin, alginic acid, black-tang, bladder, bladder fucus, Blasen-tang, calcium, common seawrack, cut weed, Dyers fucus, Fucaceae (family), fucophorethols, Fucus, Fucus Plus®, Fucus vesiculosus, Hai-ts'ao, iodine, kelp, kelpware, knotted wrack, magnesium, Meerei...

Impact of Mobile Phase Additives on LC-MS Sensitivity, Demonstrated using Spice Cannabinoids

Topics in LC-MS, Part 2 The article stresses the importance of using the highest quality solvents and reagents, along with high efficiency HPLC columns and effective sample prep methods, to provide the best MS data. Part 1 of our Topics in LC-MS, published in Reporter 30.2, looked at leveraging colu...

Amicon® Ultra 15 mL Centrifugal Filters

Amicon® Ultra 15 mL centrifugal filter devices provide fast ultrafiltration, with the capability for high concentration factors and easy concentrate recovery from dilute and complex sample matrices. The vertical design and available membrane surface area provide fast sample processing, high sample r...

Scientific Resources for Metabolomics

Featured Poster The Potential of SPE for Fractionation of Serum Metabolome into Phospholipids and Other Metabolites Click on the quick links below to see articles on each topic ▪ Bioanalytical Applications ▪ Metabolite Characterization Bioanalytical Applications ▪ 2-Hydroxyglutarates Analysis by LCM...

Synonyms
Species Mouse (109824)

Onion (Allium cepa) | Plant Profiler

Synonyms / Common Names / Related Terms Allium cepa, Allium cepa L., allium vegetables, botanicals, Liliaceae (family), onion extract, onion juice, pickling onions, white onion. Combination product example: Contractubex gel (cepae extract from onions, heparin, and allantoin). Bioactive products foun...

Traditional Medicinals and Cancer

• Traditional Chinese Medicine (TCM) is a healing art that has been practiced for thousands of years. The practice of TCM is a holistic approach that includes the use of herbal preparations, acupuncture, and dietary therapy with the goal of returning the body to a healthy, balanced state. Under TCM ...

Trans Fats in Cookies using SP-2560 and SLB-IL111

Trans fats (trans unsaturated fatty acids) are fatty acids that contain at least one double bond in the trans orientation. This orientation causes carbon atoms to align in a straight configuration, similar to saturated fatty acids. Most naturally occurring unsaturated fatty acids have double bonds i...

Fatty Acids & FAMEs - Chromatography and Sample Prep Literature from Supelco

Pub. Id. Subject Type Size (KB) No. of Pages T100787 One-Step Triglyceride Separation by Reversed Phase HPLC Without Argentation Bulletin 787 148 4 T110855 Analyzing Fatty Acids by Capillary Gas Chromatography Bulletin 855 224 12 T109856 Analyzing Fatty Acids by Packed Column Gas Chromatography Bull...

Human SuperMix System

Immunoaffinity fractionation of highly-abundant proteins (HAP) has proven to be one of the most effective approaches for overcoming the wide dynamic range of protein concentration, as well as enabling the detection of low abundant proteins (LAP). Avian polyclonal IgY (Immunoglobulin Yolk) antibodies...

Affinity Chromatography

Affinity chromatography is the preferred method of bioselective adsorption and subsequent recovery of a compound from an immobilized ligand. Each is designed for highly specific and efficient purification of proteins and related compounds. We offer appropriately selective ligands on beaded and porou...

Sea buckthorn (Hippophae rhamnoides) | Plant Profiler

Synonyms / Common Names / Related Terms 5-formyltetrahydrofolate, 5-hydroxytryptamine, 5-methyltetrahydrofolate, acetic acid, aekol, alkaloids, almindelig havtorn (Danish), alpha-linolenic acid, amino acid, Amritscherl (German), anthocyanin, arabinose, argasse, argasse (French), argouse (French), ar...

The MISSION® Target ID Library for Human miRNA Target Identification and Discovery

Carol A. Kreader and Kevin P. Forbes One of the main problems miRNA researchers face today is global identification of gene targets that are functionally regulated by their miRNA of interest. Unfortunately, bioinformatic predictions are unreliable and there is little agreement between different algo...

Chicory (Cichorium intybus) | Plant Profiler

Synonyms / Common Names/ Related Terms Achicoria, achicoria amarga, almeirao, asparagus, Asteraceae, barbe de capucin, Belgian endive, beta-D-fructofuranosidase, blaue Wegwarte, blue dandelion, blue sailors, Brunswick, Chichorii Herba, chicon, cichorei, cicoria radicchio, Cichorium, Cichorium bottae...

Amicon® Ultra 2 mL Centrifugal Filters

Amicon® Ultra-2 mL centrifugal filter devices provide fast ultrafiltration, with the capability for high concentration factors and easy concentrate recovery from dilute and complex sample matrices. The vertical design and available membrane surface area provide fast sample processing, high sample re...

Performing a purification and on-column refolding of an insoluble histidine-tagged protein from a 100 ml E. coli culture using HisTrap FF 1 ml with ÄKTAprime plus

Extracted from Purifying Challenging Proteins Principles and Methods, GE Healthcare, 2007 This procedure uses a HisTrap FF 1 ml column but can also be used with a HisTrap HP 1 ml or a HisTrap FF crude 1 ml column. The procedure uses ÄKTAprime plus but can also be run on other ÄKTA systems. Buffers R...

Organelle Isolation & Analysis Kits

Enriching for organelles simplifies proteomic analysis and when partnered with protein pathway function allows key insight into development of healthy cell function as well as the disruption that leads to disease. The kits and reagents shown below enable researchers to enrich for functional mitochon...

Downstream Applications after Genomic DNA Purification

Extracted from Nucleic Acid Sample Preparation for Downstream Analyses, GE Healthcare, 2007 The following table summarizes the general quantity and purity considerations for several common applications for genomic DNA. Table 4.3. Summary of downstream applications for genomic DNA and substances that...

Trending Papers

February 2017 Chimera animals have been created to both study drug effects in humans and also the goal of creating organs for use in humans. A recent breakthrough using CRISPR has occurred to knockout an animal fetus’ immune response to human cells. Now that the human cells can flourish in a non-hum...

Rapid Separation of Anthocyanins and Flavonol Glycosides Utilising Discovery® DSC-MCAX Solid Phase Extraction

• • Download PDF • Contributed Article Rockhurst University, Kansas City, MO, USA About Flavanols and Anthocyanins Flavonols and anthocyanins are water-soluble vacuolar flavonoid compounds that are synthesized by organisms of the plant kingdom. Flavonoids are widely distributed in plants fulfilling ...

A Comparison of Peptides to Whole-Protein Stable Isotope Labeled Internal Standards in Quantitative Protein MS Workflows

Characterize a stable isotope labeled human erythropoietin (SILu™Prot EPO) and compare it’s use as an internal standard in an immunoaffinity enrichment experiment to the SIL peptide approach. LC-MS/MS methods employing the sensitivity of multiple reaction monitoring (MRM) for quantification of prote...

Separation Options with Sephacryl

Related Articles • Column Packing and Preparation for Size Exclusion Chromatography • Packing a Column and Performing a Separation with Sephadex® LH-20 • Performing a Separation with Sephacryl® • Performing a Separation with Sephadex® • Performing a Separation with Superdex® • Performing a Separatio...

Plant Protein Extraction

Plant Total Protein Extraction Kit, Mini, 20 reactions, 10–250 mg (PE0230) Ideal for quick and easy extraction of total protein without the need for any high-speed ultra centrifugation. Plant Hydrophilic Protein Extraction Kit, Mini, 20 reactions, 10–250 mg (PE0210) Designed specifically for extract...

Affinity Chromatography Troubleshooting

Related Links • Fractional Precipitation of Affinity Chromatography Samples • Removal of Lipoproteins from Affinity Chromatography Samples • Sample Preparation for Affinity Chromatography • Column Packing and Preparation for Affinity Chromatography • Converting From Linear Fow (cm/hour) to Volumetri...

Gel Filtration Markers Kit for Protein Molecular Weights 12,000-200,000 Da

• • Download PDF • Product No. MWGF200 Storage Temperature –20 °C Gel filtration chromatography is an established method for determining the size and molecular mass of proteins. Fractionation is based on the diffusion of molecules into the pores of the resin. Larger proteins do not enter the pores o...

Neuropsychiatric Disorders and Cell Signaling

• Schizophrenia, the most common psychotic disorder, affects ~ 25 million people worldwide and is one of the leading causes of years lived with disability.1 Historically, antipsychotic drug discovery has been serendipitous, resulting in treatment of a subset of symptoms while failing to address othe...

Amicon® Ultra 4 mL Centrifugal Filters

Amicon® Ultra 4 mL centrifugal filter devices provide fast ultrafiltration, with the capability for high concentration factors and easy concentrate recovery from dilute and complex sample matrices. The vertical design and available membrane surface area provide fast sample processing, high sample re...