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Escort™ III Transfection Reagent Protocol
The product bulletin providin detailed use protocol for easy DNA transfection.
Determination of Quinine in Tonic Water and Caffeine in Coffee and Cola Drinks Using TLC-MS
HPTLC–MS analysis of quinine in tonic water and caffeine in coffee and cola drinks. Tonic and cola drinks decarbonized through ultrasonication, and coffee extracted through PTFE filter.
Enzymatic Assay of Plasmin with D-Val-Leu-Lys-p-Nitroanilide Dihydrochloride
Enzymatic Assay of Plasmin with D-Val-Leu-Lys-p-Nitroanilide Dihydrochloride
Enzymatic Assay of Plasmin with D-Val-Leu-Lys-p-Nitroanilide Dihydrochloride
Enzymatic Assay of Plasmin with D-Val-Leu-Lys-p-Nitroanilide Dihydrochloride
Flavors and Fragrances New Product Offerings
As a leading global supplier of new flavor and fragrance ingredients, we are dedicated to providing you with high-quality aroma chemicals comprising of certified food grade, IFRA, natural, kosher, and halal ingredients.
Escort™ IV Transfection Reagent Protocol
Product manual provides detailed protocol for easy DNA transfection.
Cultrex® 3-D Culture Matrix™ Laminin I Protocol
3-D Culture Matrix™ Mouse Laminin I may be used as a gel or as a media additive to study cellular growth and differentiation in three dimensions in vitro.
In Vitro Expansion of CD34+/CD38- Human Hematopoietic Progenitor Cells in a Serum-free and Xeno-free Stem Cell Culture Media
In vitro culture of human hematopoietic stem cells in PromoCell’s serum-free/xeno-free HPC Expansion Medium DXF. Explore over 350 PromoCell products
Mass Spectrometry of Glycans
The development of modern mass spectrometry (MS) equipment with high resolution and mass accuracy has led to its use in analyzing glycans for both profiling and structural studies.
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.
Methods for Enhancing Lentiviral Transduction Efficiency
An experiment to directly compare three methods of lentiviral transduction of Jurkat cells was conducted in order to determine the method that yields the greatest transduction efficiency.
Molecular Solar Thermal Energy Storage Systems (MOST) – Design, Synthesis, and Application
The substantial rise in global population has triggered a significant surge in the demand for energy worldwide, amplifying the need for renewable energy sources and improved energy storage. Molecular thermal energy storage (MOST) is a promising, highly controlled technique for
Calcitonin Gene-Related Peptides
Sigma-Aldrich offers many products related to calcitonin gene-related peptides for your research needs.
Periodic Table of the Elements
Download the Periodic Table of the Elements with names, atomic mass and number in printable .pdf and image format. Use the periodic table chart by element names in alphabetical order for quick research, reference and lab use.
Boc Resin Cleavage and Deprotection
The most popular reagent for cleavage of peptides from Boc-based resins is anhydrous HF. Of all the cleavage procedures HF appears to be the most versatile and least harmful to a wide variety of peptides synthesized on Boc-based resins.
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.
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.
Cloning & Expression
Cloning, protein expression vectors and techniques for optimal gene cloning and protein expression systems.
Sensor Dyes
Nitric oxide (NO) as a signal transporter in neurons, endothelial cells and in the immune system.
Q-Phos
Developed by Professor John Hartwig, pentaphenyl(di-tert-butylphosphino)ferrocene (Q-Phos) has emerged to be a premier ligand in coupling reactions with its remarkably broad utility in a variety of C–N, C–O, and C–C bondforming reactions.
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
High-Performance Quantitative H-1 NMR
The signal ratio of two different protons can be measured with tremendous precision, which enables the generation of certified reference materials for use as qNMR standards.
Absolute Quantification of Serum Proteome
Absolute Quantification (Protein-AQUA™™) is a targeted quantitative proteomics technique that exhibits robust efficacy and is being increasingly utilized for a wide variety of quantitative proteomics studies.
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.
Long and Accurate PCR Amplification of DNA (D8045)
Protocol for high fidelity amplification of long PCR fragments up to 22kb from complex DNA mixtures and up to 40kb from simple DNA mixtures. AccuTaq LA.
Lipoprotein Function
Learn about the five main classes of lipoproteins: chylomicrons, very low density lipoproteins (VLDL), intermediate density lipoproteins (IDL), low density lipoproteins (LDL) and lipoprotein(a), and high density lipoproteins.
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.
Overcoming Aggregation in Solid-phase Peptide Synthesis
The ease of assembly of a given peptide sequence is hard to predict, which makes peptide synthesis challenging. Review methods and reagents for avoiding aggregation in solid-phase peptide synthesis.
Biodegradable Aliphatic Polyesters for Drug Delivery
Innovations in polymer technology have had a significant impact on the advancement of novel drug delivery systems.
The Effect of Container Materials on Production of Light Induced Off-Flavors in Milk – A Study Using SPME-GC-MS
Various plastics used as barriers to the production of off-flavors in light exposed milk were examined using HS-SPME with a new Carboxen®/PDMS coated Nitinol fiber followed by GC-MS analysis allowing detection of low MW analytes at levels <1 ng/mL.
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