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7440-33-7

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Showing 1-30 of 673 results for "7440-33-7" within Site Content

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.

Color Determination of Sugar based on ICUMSA Color GS1-7

Learn about the ICUMSA® method GS1-7 to measure the color of sample solutions of raw sugar, brown sugar, or sugar syrups.

Meet us in San Diego at World ADC!

Please stop by Booth #33 to learn about our Madison/Verona linker-payload facility expansion, ADCore advanced payload intermediates and bioconjugation CDMO services.

Fast and High-Resolution LC-MS Separation of PFAS

Liquid Chromatography–Mass Spectrometry (LC-MS) separation of 33 PFAS (Per- and poly-fluoroalkyl substances) using a superficially porous silica particles (SPP) based Ascentis® Express C18 column.

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.

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.

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.

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.

Principles and Standard Conditions for Different Puriﬁcation Techniques

This page provides information about the principles and standard conditions for different purification techniques for the purification of multiprotein complexes with from Cytiva.

Please contact your local representative for additional help with your order, our products, and product selection.

RAFT: Choosing the Right Agent to Achieve Controlled Polymerization

Find reversible addition–fragmentation chain transfer(RAFT) polymerization process, classes of RAFT agents & applications.

Concepts and Tools for RAFT Polymerization

We present an article about RAFT, or Reversible Addition/Fragmentation Chain Transfer, which is a form of living radical polymerization.

Nanocomposite Coatings with Tunable Properties Prepared by Atomic Layer Deposition

Separation Options with Superdex®

Superdex® from Cytiva are Size Exclusion Chromatography media consisting of a composite base matrix of dextran and agarose. This page shows how to perform a separation with a Superdex® column.

The Importance of Filtration in Optimizing (U)HPLC and LC-MS Performance

Learn how filter selection and sample and mobile phase filtration impact HPLC back pressure and column lifetime.

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.

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.

Chemistry in (Bio)Materials Science

"Click" Chemistry in (Bio)Materials Science

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.

Baseclick EdU Cell Proliferation Detection Kits: Improve Data Quality and Save Time

Experimental studies measuring cell proliferation have had implications in cancer biology, immunology, cell biology, and developmental biology.

Poly(2-Oxazoline)s: The Versatile Polymer Platform for Biomedicine

The introduction of polymers into the biomedical field has opened new avenues in tissue engineering, implant design, biosensing, and drug delivery.

PFAS Testing Methods and Guidance for Sample Filtration

Validation of Millex® PES syringe filters in PFAS testing of water samples using EPA method 537.1.

Virus Cultivation

Cell lines for vaccine production and cultivation of SARS CoV-2 and other viruses. Primary, human diploid, and continuous culture cell lines for the propagation of viruses and virus-based vaccines.

Synthesis, Properties, and Applications of Perovskite-Phase Metal Oxide Nanostructures

TokeOni: Properties and Applications

Bioluminescence imaging (BLI) systems allows for high-sensitive and noninvasive monitoring of cell proliferation, activity of signaling pathways and protein-protein interactions in living tissues.

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