Asynt has introduced GasTrap gas purifiers for analytical laboratories using Gas Chromatography (GC), High Performance Liquid Chromatography (HPLC) or Mass Spectrometry (GC/MS) instrumentation. (news-medical.net)
A systematic approach has been used to compare internal and external standard methods in high performance liquid chromatography (HPLC). (chromatographyonline.com)
The HPLC symposium series is the largest, most recognised international forum on High-Performance Liquid Chromatography (HPLC) and related techniques. (chromatographytoday.com)
Total" urinary nicotine metabolites, including the free and the glucuronide conjugated forms, are measured by two separate isotope dilution high-performance liquid chromatography/tandem mass spectrometric (HPLC-MS/MS) methods based on the cotinine cutoff value of 20 ng/mL so that the markedly different levels of nicotine exposure biomarkers can be optimally quantified in both users and non-users. (cdc.gov)
The organic extract is concentrated and the residue is injected onto a C18 UHPLC (ultra-high-performance liquid chromatography) column. (cdc.gov)
Chromatography12
Navigate our extensive portfolio of HPLC and UHPLC systems by using the system properties on the left to filter the list and discover which liquid chromatography system best fits your requirements. (thermofisher.com)
The results were examined to determine whether the performance of the column and chromatography separation exceeds that of conventional HPLC. (jascoinc.com)
The precision was determined at several different injection volumes for HPLC and ultrahigh‑pressure liquid chromatography (UHPLC), with two analyte and internal standard combinations. (chromatographyonline.com)
Partner with us for your liquid chromatography, HPLC / UHPLC fluidic application needs for optimal results. (idex-hs.com)
The Vanquish Horizon UHPLC system integrates with Thermo Scientific Chromeleon Chromatography Data System (CDS) with compliance tools, networking capabilities, automation, and data processing. (thermofisher.com)
Agilent's InfinityLab LC/MSD iQ System for chemists and chromatographers in the company's liquid chromatography-mass spectrometry (LC/MS) portfolio features incorporated instrument health monitoring and is designed to sit beneath a stack of Agilent's InfinityLab HPLC instruments, saving lab space (1). (biopharminternational.com)
Among the many topics that will be covered at HPLC 2019, particular emphasis will be given to hyphenated techniques, most importantly liquid chromatography coupled to mass spectrometry (HPLC-MS), design and characterisation of stationary phases, micro- and nano-fluidics, supercritical fluid chromatography (SFC), capillary electrophoresis (CE) and their applications in proteomics, metabolomics, food analysis, characterization of biopharmaceuticals and biosimilars. (chromatographytoday.com)
HPLC 2019 will also feature some unique highlights, such as a session entirely dedicated to HPLC for process analytical technology (PAT) and quality assessment in preparative chromatography and one focusing on HP-TLC. (chromatographytoday.com)
Liquid chromatography-mass spectrometry (LC-MS) is an analytical chemistry technique that combines the physical separation capabilities of liquid chromatography (or HPLC) with the mass analysis capabilities of mass spectrometry (MS). Coupled chromatography - MS systems are popular in chemical analysis because the individual capabilities of each technique are enhanced synergistically. (wikipedia.org)
This course covers modern liquid chromatography (HPLC and UHPLC) that are especially used for bioanalytical applications. (lu.se)
For a deeper insight into mass spectrometric detection the LifeScience course "Mass spectrometry for small molecules" is recommended.course covers modern liquid chromatography (HPLC) especially for bioanalytical applications. (lu.se)
Bioanalytical HPLC includes advanced theoretical treatment of liquid chromatographic separation modes and the underlying distribution and adsorption equilibria including reversed-phase chromatography, normal-phase chromatography, ion chromatography, ion-pair chromatography, hydrophilic interaction liquid chromatography (HILIC), size exclusion chromatography and supercritical fluid chromatography. (lu.se)
Offering higher sensitivity whilst increasing analytical speed, Waters then introduced their 'H' Class in 2010, aimed at easing the transition from traditional HPLC methods . (jaytee.com)
Fluidic1
The fluidic pathway of the Vanquish Horizon UHPLC system is fully biocompatible and fitted with Thermo Scientific Viper fingertight fittings, which support near-zero dead volume connections and enable sharper peaks and tool-free setup. (thermofisher.com)
Separation3
Figure 1 shows the separation of a standard mixture including acetoaminophen (0.02mg / mL), anhydrouscaffeine (0.02mg / mL), phenol (for internal standard, 0.02mg/mL), hesperidine (0.02mg/mL), ethenzamide (0.02mg/mL), tipepidinehibenzate(0.02 mg/mL) andapronalid (0.1mg/mL).TheX-LC system provides an analysis time 6 times faster than conventional HPLC without sacrificing the resolution between each peak. (jascoinc.com)
UHPLC separation of R - and S -enantiomers of Besifloxacin hydrochloride on a new Chiralpak IE-3 column consisting of an immobilized amylose tris(3,5-dichlorophenylcarbamate) chiral stationary phase on 3 µm silica was studied. (springer.com)
Andrea F, Michaela V, Janka Mydlova JL, Jan K (2006) Interconversion of oxazepam enantiomers during HPLC separation. (springer.com)
Selectivity1
As a result, this HPLC phase shows steric and an increased polar selectivity. (mn-net.com)
Aqueous1
This HPLC phase shows a good performance under high aqueous conditions. (mn-net.com)
Applications2
Valves are ubiquitous in all HPLC and UHPLC applications. (knauer.net)
The Thermo Scientific Vanquish Horizon UHPLC system provides unrivaled performance and throughput for applications requiring high-end UHPLC, ideal for research and development labs. (thermofisher.com)
Suitable3
This webinar is intended as a first introduction to HPLC and UHPLC and is suitable for anyone who wants to gain a basic understanding of these techniques. (gabio.org)
Due to low bleeding characteristics this UHPLC phase is suitable for LC/MS. (mn-net.com)
Chaudhary-Webb M, Schleicher RL, Erhardt JG, Pendergrast EC, Pfeiffer CM. An HPLC ultraviolet method using low sample volume and protein precipitation for the measurement of retinol in human serum suitable for laboratories in low- and middle-income countries external icon . (cdc.gov)
Valve1
This test uses a special pump test fixture that simulates an HPLC pump to verify that the valve is self-priming. (hplc-asi.com)
Agilent1
Das ASTRA-Modul „HPLC CONNECT" arbeitet mit Standard-HPLC-Hardware von Agilent, einschließlich Pumpen, Autosampler, Säulenöfen, UV/Vis-Detektoren und Fraktionssammlern. (wyatt.com)
Separations1
The 48th International Symposium on High Performance Liquid Phase Separations and Related Techniques ( HPLC 2019 ) will be held from 16 to 20 June 2019 in Milano at the Milano-Bicocca University (Italy). (chromatographytoday.com)
The compact, low-volume design enhances the efficiency and performance of your HPLC system. (shimadzu.com)
LC 300™ HPLC & UHPLC System by PerkinElmer, Inc. (selectscience.net)
The table below provides an overview of the Vanquish Horizon UHPLC system specifications for a standard setup. (thermofisher.com)
The sample is further diluted approximately 5-fold prior to analysis on a HPLC-MS/MS system using electrospray ionization. (cdc.gov)
Pump1
Vanquish Binary Pump H delivers industry-leading UHPLC flow performance using SmartFlow, SmartStroke and Adaptive Thermal Effect Compensation (ATEC) technologies at maximum operating pressures of up to 1500 bar (22,000 psi). (thermofisher.com)
Components1
Standard Vanquish Horizon UHPLC systems are made up of the following components. (thermofisher.com)
Autosampler1
Die Anwendung „HPLC DASHBOARD" steuert und überwacht HPLC-Module wie Pumpen, Säulenöfen, UV-Detektoren und Autosampler direkt vom Desktop aus. (wyatt.com)
Products1
Optimize Technologies is dedicated to providing the highest quality HPLC, UHPLC and LC/MS products available. (optimizetech.com)
Systems3
When it comes to servicing and supporting (U)HPLC systems, Jaytee can lean on over 35 years of experience. (jaytee.com)
Like all members of our Vanquish product line, Vanquish Horizon UHPLC systems offer hardware precision, detector sensitivity, and simplicity of operation. (thermofisher.com)
We offer standard instrument integration (SII) packages to connect Thermo Scientific HPLC systems to other CDS and MS software programs. (thermofisher.com)
Connect1
HPLC CONNECT steuert UV/VIS-Detektoren direkt in ASTRA . (wyatt.com)
Method1
Costa MCN, Barden AT, Andrade JMM, Oppe TP, Schapoval EES (2014) Quantitative evaluation of besifloxacin ophthalmic suspension by HPLC, application to bioassay method and cytotoxicity studies. (springer.com)
Detection1
Humic substances are classified into three derived phenols generated by CuO oxidation are based on subcategories: humin, humic acid, and fulvic acid, based on GC-MS, HPLC with diode array detection (DAD) and CE- extractability at different pH values [3]. (lu.se)
Technical1
In the first two articles of this series we covered the recent industry events within the HPLC market and gave a technical overview of 10 of its sub-technologies. (strategic-directions.com)
Results1
Regression models built on UHPLC-HRMS results revealed a strong correlation between the expression of quercetin derivatives, cyanidin 3-O-glucoside, caffeoyl methyl quinates, and 5,5'-dehydrodivanillic acid, and the biological activity of each fruit. (bvsalud.org)
Type1
Analyses by UHPLC-MS detected quinic acid, chlorogenic acid isomers, proanthocyanidin dimers type B and C, catechin/epicatechin, orientin/isoorientin, isoorientin 2"- O -xyloside, vitexin/isovitexin, and rutin. (bvsalud.org)
Industry1
These tests are by far the most stringent in the HPLC industry, and indeed it is unlikely that any other valves would even pass these tests. (hplc-asi.com)