Germany) with 10mm monolithic precolumn. The monolithic columnwasplacedbetweenthesix-portselectionvalveandflow cell of the detector. The mobile phase was aspirated through the filter ending (10 m). The comparative HPLC system, consisting of a binary pump LCP 4100 (Ecom, Prague), Waters autosampler 717 plus, vari-
HsSultan or NB4 cells (2.5 × 10 5) are plated in a 24-well plate in 500 μL of phenol red-free RPMI medium supplemented with 10% FBS. After incubation for 24 hours, each compound (8 µg/mL) is added and cultured for overnight (16–20 h). Fifty microliters of MTT solution (5 mg/mL in PBS) are added to each well.
27099-U. open center, seal diam. 11 mm, for use with 2 mL-2.5 mL standard opening crimp top vials, pkg of 100 ea. Supelco. pricing. SDS. 27222-U. removable center, 13 mm, diam. × opening 13 mm × 6.4 mm, for use with 2 mL - 2.5 mL standard opening crimp top vials, pkg of 100 ea. Supelco. pricing.
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Jun 10, 2021 · Autosampler Vials. Waters also offers a selection of glass sample vials and plastic sample vials that fit most manufacturers’ instruments. Two of the most popular uses are as HPLC vials and GC vials. These chromatography vials can be used as sample storage vials by adding a solid caps with liner.
Jun 01, 2021 · The attached manual describes about Waters nanoEase M/Z columns and includes user recommendations. This guide describes hardware and software requirements, system administrative tasks, and security settings and policies. The attached solvent considerations guide covers the ACQUITY UPLC Series and PREMIER Systems.
The i-LAB spectrometers with the round vial adaptor accept 25-mm diameter round sample vials. The i-LAB is also available with two unique software packages: i-LAB Spectrum software allows for spectra acquisition, data handling, and the creation and transfer of custom measurement methods between your PC and the i-LAB.
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Mar 25, 2021 · Cohen et al. report that an African orchid is pollinated by male longhorn beetles, which ejaculate while attempting to copulate with the flowers. They identify a novel macrolide that mediates this system of sexual deception and show that structural geometry of the molecule is critical for attraction of male beetles.
Quality Made in Germany since 1987. VDS optilab HPLC Columns Quality for your HPLC Analysis Example: VDSpher (Classic) 100 C18-SE 5 µm, 3.0 x 150 mm Phase Code ...
Thermo Scientific products help scientists around the world meet the challenges they face every day. From routine analysis to pioneering discoveries, our innovations help scientists solve complex analytical challenges, empowering them to conduct the work they need to do, the way they want to do it.
With more than 5,000 options, the Fisher Chemical portfolio of dry reagents, acids, solutions and high-purity solvents stands ready to support the endless possibilities of your research. Since the early part of the 20th century, Fisher Chemical has been a part of Fisher Scientific, serving the science community with chemicals for research
20S Proteasome Positive Control (Part No. 90205): One vial containing 20S Proteasome Positive Control in 20 mM Tris, pH 7.2 and 1 mM DTT. 10X Assay Buffer (Part No. 90209): One 1.5 mL vial. Proteasome Substrate (Suc-LLVY-AMC) (Part No. 90206): One vial contains 500 μg peptide substrate.
Analytical chemistry is the study of the separation, identification, and quantification of the chemical components of natural and artificial | Review and cite ANALYTICAL CHEMISTRY protocol ...
May 01, 2019 · The stopped assay solution was then centrifuged to clear and an aliquot transferred to a Chromacol 03-CVG HPLC vial, sealed and the amount of HGA formed in 40 μl determined by injection onto a reverse phase Aqua C18 5μ 75 x 4.6mm HPLC column running 5.5% acetonitrile 0.1% trifluoroacetic acid (Buffer C) at 1.5ml min-1. The column was eluted