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232-227-8

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Showing 1-30 of 661 results for "232-227-8" within Site Content

Thermal Transitions of Homopolymers: Glass Transition & Melting Point

Literature values for the glass transition temperature, (Tg), and melting temperature, (Tm), are given for the more common homopolymers.

TSCA 8 Notification

Submit notification of unreported health effect

Color Determination of Sugar Based on ICUMSA method GS9-8

Discover the ICUMSA® method GS9-8 (2011) to determine the color of sugar solutions with color indices ranging from 10 to 16 000 IU.

Gold Nanorod Synthesis

Plasmonic nanoparticles have unique optical properties that can be tailored to suit a variety of applications in the biotechnology1–8 and electronics9–16 industries.

Chromolith® WidePore 300 HPLC Columns

Analytical Chromolith® HPLC columns for Bio applications, 300A mesopores: RP-18, RP-8, RP-4, Prot-A, Epoxy

Determination of vitamins B and preservatives

Learn to separate and quantify B vitamins and preservatives in capsules with HPLC-UV and Purospher® STAR RP-8 column. Validated for precision.

Famciclovir Tablets USP Monograph Method Using a Purospher™ STAR RP-8 endcapped HPLC Column and UV Detection

Following the new USP monograph for Famciclovir Tablets, Purospher™ STAR RP-8 endcapped HPLC columns can be used to monitor organic impurities in Famciclovir tablet formulations. Famciclovir is an antiviral drug indicated for the treatment of herpes zoster, herpes simplex virus

Determination of 11 Beta Agonist Residues in Pork by LC-MS

Using an Ascentis® Express F5 HPLC column, this study separates 11 β-agonists in pork by LC-MS/MS in under 8 minutes with excellent recovery and precision.

Determination of Eight Aminoglycosides in Pork Meat

LC/LC-MS method identifies 8 aminoglycosides in pork using Discovery® DSC-18 SPE and Ascentis® Express C18 UHPLC, per Chinese standards.

Detection of Signaling Effector-Complexes Downstream of BMP4 Using In Situ PLA, A Proximity Ligation Assay

BMPs are responsible for a wide range of developmental and biological effects. BMP receptors activate (phosphorylate) the Smad1/5/8 effectors, which then, form a complex with Smad4 and translocate to the nucleus where they function as transcription factors to initiate BMP

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.

Formamide Molecular Biology Reagent

Formamide is a reagent that is an ionizing solvent in aqueous buffers. It is widely utilized in biochemistry and molecular biology, particularly in nucleic acids research.

Sample Preparation for Chromatographic Purification

This page discusses various aspects of sample preparation for chromatographic purification.

Titration with the Titrette® Bottletop Burette

This article decribes how to use the BRAND® Titrette® Digital Bottletop Burette for quick and reliable titration.

Sample Preparation for Affinity Chromatography in Specific Groups of Biomolecules

Ultrapure Water to Assess Elemental Impurities per USP

Learn about the suitability of Milli-Q® ultrapure water in ICP-MS analysis of elemental impurities in pharmaceutical products per USP standards.

1-hydrosilatrane

As a versatile hydride reagent, 1-hydrosilatrane can be used in reduction reactions to synthesize alcohols, amines, their chiral counterparts, and esters from aldehydes/ketones.

Serum free cancer cell line media

Defined culture conditions. Consistent growth of human cancer cell lines in PromoCell’s serum-free/xeno-free Cancer Cell Line Media-XF. Explore over 350 PromoCell products on Sigma.com

CRISPR Cas 9 Nuclease RNA-guided Genome Editing

Learn about CRISPR Cas9, what it is and how it works. CRISPR is a new, affordable genome editing tool enabling access to genome editing for all.

Functional Biomaterials Synthesized by Double-Head Polymerization Agents

Over the past two decades, the rapid advance of controlled living polymerization (CLP) techniques.

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MaxGel™ ECM Hydrogel: An In Vitro Human Cell Derived Basement Membrane Extract for 3D Cell Culture Applications

Human cell derived basement membrane extract (BME) hydrogel for 3D cell culture of primary cell, stem cell and xenograph cancer models.

Synthesis of Melting Gels Using Mono-Substituted and Di-Substituted Alkoxysiloxanes

ChemMatrix® Resin for solid phase peptide synthesis

ChemMatrix® is a proprietary, 100% PEG (polyethylene glycol) based resin from PCAS BioMatrix.

3D Cell Culture with Corning Microplates

Take a deep dive into the world of 3D cell culture courtesy of Corning and understand why the Corning® spheroid microplate can be an asset in the evolution of 3D cell culture.

Peptide Stability and Potential Degradation Pathways

To prevent or minimize peptide degradation we recommend storing the peptide in lyophilized form at –20 °C or –80 °C. Once in solution, the peptide/protein should be stored frozen in individual aliquots to avoid freeze-thaw cycles. Also, prolonged exposure to

Phyllosilicate Clay Minerals: Principles and Applications

We have discussed shortly the applications of 1:1 and 2:1 phyllosilicate material in membrane technology, as well as the basic geometric understanding of their layered structures.

Understanding and Successfully Applying Materials for Dye-Sensitized Solar Cells

While dye sensitization as the basis for color photography has been accepted for a very long time,1 attempts to use this principle for the conversion of solar light to electricity generally had resulted only in very low photocurrents, below 100

Alkaline Phosphatase

We offer a broad range of alkaline phosphatase enzymes and substrates that are optimized for conjugation to antibodies and other proteins for your specific application needs.

Nanocomposite Coatings with Tunable Properties Prepared by Atomic Layer Deposition

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