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Determination of 7 Nitrosamines in Drinking Water

Nitrosamines analysis by solid phase extraction (SPE) and subsequent gas chromatography-tandem mass spectrometry (GC-MS/MS) according to GB 5750.10-2023.

Estimation of Proline in Fruit and Vegetable Juices

Spectrophotometric determination of proline by the Ninhydrin method, per EN 1141 and German Food and Feed Code §64 LFBG 31.00-7.

RNA Therapeutics & Delivery USA

Visit us at booth #7 to learn about our solutions to help you overcome your mRNA manufacturing and LNP formulation challenges.

cOmplete™, Mini, EDTA-free Protocol

Dissolve one tablet in 10 ml aqueous buffer or water. If high proteolytic activity is present, dissolve one tablet in 7 ml buffer.

Scepter™ 3.0 Cell Counter – How it Works

Scepter™ counting is 7 to 10 times faster than hemocytometry-and also faster than other automated counters. Learn more about how this amazing technology works

Enzymatic Assay of Cathepsin B

Cathepsin B is a lysosomal cysteine proteinase with broad specificity. This protocol uses Nα–CBZ–Arg–Arg–7–amido–4–methylcoumarin as the substrate for fluorometric detection of Cathepsin B activity.

Assay of Betamethasone Sodium Phosphate by HPTLC

Development of an HPTLC based method, using Silica Gel 60 F254 plate, to determine Betamethasone Sodium Phosphate over a concentration range of 1 to 7 µg/spot.

Ultrapure Water for Sensitive LC-MS Analysis of Pesticides

Pesticides analysis by LC-MS needs pesticide-free reagent water, which can be reliably delivered by Milli-Q® IQ 7 ultrapure water systems. See data.

In Vitro Differentiation of Human PBMC and CD34+ Derived Monocytes into Mature CD83+/CD14- Dendritic Cells

Generate mature human dendritic immune cells from PBMCs or CD34+ stem cell derived monocytes in 7 days in defined and serum-free dendritic cell culture media. Explore over 350 PromoCell products.

Obtaining Ultrapure Water for Sensitive PFAS Analysis by LC-MS

Sensitive PFAS testing can be performed with ultrapure water from a Milli-Q® IQ 7 system, which eliminates detectable PFAS for reliable LC-MS/MS results. See the science, see the proof.

3D Mammosphere Culture Media

3D mammosphere culture protocol used to expand human MCF-7 and MDA-MB-231 breast cancer cells in serum-free/xeno-free stem cell culture media. Explore over 350 PromoCell products on Sigma.com.

SMCxPRO® Immunoassay Platform

Explore the affordable SMCxPRO® immunoassay platform for ultrasensitive biomarker detection. See how you can reliably detect low-level proteins down to the femtogram/mL.

Biomanufacturing Virtual Trainings

Join us for live virtual courses streamed directly from our state-of-the-art M Lab™ Collaboration Center in Burlington, MA, USA.

NMR Deuterated Solvent Properties Reference Chart

Use this reference table to find the coupling values and chemical shifts of our NMR (deuterated) solvents. Melting and boiling points, molecular weight, density, and CAS number are also listed.

ESGCT Congress 2025

Developing gene therapies demands specialized expertise. Discover how our deep understanding of viral vector manufacturing processes, coupled with our state-of-the-art CDMO facility and tailored testing capabilities can address your unique challenges.

AAV Upstream Process Development: A Collaboration with Synplogen Japan

In this webinar, our partner, Synplogen, will share their experience in developing a robust and scalable upstream AAV platform for gene therapies.

HMG-CoA Reductase (HMGR) Assay Kit

3-hydroxy-3-methylglutaryl-CoA reductase (HMGR) is a transmembrane glycoprotein, located on the endoplasmic reticulum.

Wire Gauge Conversion Chart

Utilize this Standard Wire Gauge Conversion Chart to easily convert AWG (American Wire Gauge) wire sizes to inches and millimeters in the laboratory.

Fast LC-MS-MS Analysis of 25-Hydroxyvitamin D2 and 25-Hydroxyvitamin D3

We presents a robust method for analyzing 25-hydroxyvitamin D3 and 25-hydroxyvitamin D2 in serum using a multiplexed LC-MS-MS system.

Chiral Amines in Asymmetric Synthesis

Chiral amines have found widespread application in asymmetric synthesis serving, for instance, as chiral bases in enantioselective deprotonation reactions or being valuable substances for resolving racemic mixtures of acids.

DNA Damage and Repair

DNA damage and repair mechanism is vital for maintaining DNA integrity. Damage to cellular DNA is involved in mutagenesis, the development of cancer among others.

How to Automate the SMC® Immunoassay Workflow

Reduce sources of error and variability in sensitive methods to quantify biomarkers by automating the SMC® immunoassay workflow with the Hamilton Microlab® STARlet liquid handling workstation.

Fluorescein Isothiocyanate-Dextran

Dextran is a polymer of anhydroglucose. It is composed of approximately 95% alpha-D-(166) linkages. The remaining (163) linkages account for the branching of dextran.

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.

Isoelectric Focusing

Information on Isoelectric Focusing including what it is and how it is used. In order to ensure the high performance of analysis, isoelectric point (pI) standards are needed.

Puriﬁcation using StrepTactin Sepharose® High Performance

This page shows how to purify Strep-tag II recombinant proteins using StrepTactin Sepharose® High Performance from Cytiva.

Analytica USA 2025

New in 2025, Analytica USA is a trade fair and conference dedicated to laboratory technology, analysis, biotechnology, and diagnostics.

ACS Fall 2025 National Meeting

ACS Meetings & Expositions are where chemistry professionals meet to share ideas and advance scientific and technical knowledge.

CBS Catalysts

we are pleased to offer both enatiomers of 2-methyl-CBS-oxazaborolidine as a dry reagent, in addition to our current offerings as a 1M solution in toluene.

Fullerenes for Bioscience & Photovoltaic Applications

Find various photovoltaic and bioscience-based applications of fullerenes.

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