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134-32-7
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Showing 1-30 of 781 results for "134-32-7" 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.
Natural Cannabinoid and Cannflavin Profiling by HPLC-PDA
An accurate and precise HPLC-PDA measurement of 32 cannabinoids and 2 cannflavins in hemp samples using a single extraction in less than 32 minutes.
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.
Designing Temperature and pH Sensitive NIPAM Based Polymers
Poly(N-isopropylacrylamide), or PNIPAM, is a stimuli-responsive polymer that responds to changes in pH and temperature and has a LCST around 32 C.
LC-MS Analysis of PFAS Compounds
LC-MS method separates 32 PFAS compounds in drinking water following EPA methods 533, 537, and 537.1. EPA 8327.
Genotypes, Phenotypes and Markers
A genotype is a list of mutant genes in an organism. In addition to mutations of the genome, other genetic elements such as prophage or plasmids can also be included.
Directed Evolution
An overview of directed evolution and the methods for generating proteins with optimized or entirely new functions.
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.
Thermoelectric Performance of Perovskite-type Oxide Materials
The prevailing strategies for heat and electric-power production that rely on fossil and fission fuels are having a negative impact on the environment and on our living conditions.
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.
Special Offer on Milli-Q® Lab Water Purification Cartridges!
For a limited time, enjoy a 7% discount on all Milli-Q® Lab Water purification cartridges when you shop online!
Sorting Carbon Nanotubes and Their Biological Applications
Carbon nanotubes (CNTs) have received much attention since their discovery in 1991 by Sumio lijima1 due to their excellent mechanical, electrical, and optical properties.
NF-κB and Inflammation
Chronic inflammation is an underlying factor in the development and progression of many of the chronic diseases of aging, such as arthritis, atherosclerosis, diabetes, and cancer.
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.
Lambert Group – Professor Product Portal
Prof. Tristan Lambert and his co-coworkers have developed a new class of highly effective chiral Brønsted base catalysts, formulated from the unique cyclopropenimine architecture.
Advancements in Quantum Dot Solar Cells
Professor Sharma and colleagues review the synthesis and applications of this novel material. This includes a discussion of the unique properties of quantum dots and their suitability for solar cell applications, along with common synthesis techniques used to develop these
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.
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.
Functional Biomaterials Synthesized by Double-Head Polymerization Agents
Over the past two decades, the rapid advance of controlled living polymerization (CLP) techniques.
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.
Nanoparticle-Based Drug and Gene Delivery for Tumor Targeting
Professor Yoshiki Katayama (Kyushu University, Japan) discusses recent advances in drug delivery systems and strategies that exploit the EPR effect, with a special focus on stimuli-responsive systems based on novel materials.
TRC Library Citations
TRC 1.5 human and mouse shRNA libraries
Purifcation or Removal of Serine Proteases, e.g. Thrombin and Trypsin, and Zymogens
This page shows how to remove serine proteases, e.g. thrombin and trypsin, and zymogens from recombinant products using HiTrap Benzamidine FF and Benzamidine Sepharose 4 Fast Flow from Cytiva.
Dietary Antioxidants
Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.
Krische Group – Professor Product Portal
The Krische group has developed a broad class of “C-C bond forming transfer hydrogenations” wherein the exchange of hydrogen between alcohols and unsaturated reactants serves to generate aldehyde-organometal pairs that combine to give products of carbonyl addition.
Solvent Analysis for 40 Per and Polyfluoroalkyl Substances
Trace-level PFAS analysis of solvents using SPE and LC-MS/MS to verify purity, method performance, and suitability for regulatory testing workflows.
High-Performance Semiconductor Polymers Based on Diketopyrrolopyrrole and Thienothiophene
The development of high-performance conjugated organic molecules and polymers has received widespread attention in industrial and academic research.
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