Product category:
Mass spectrometers
News Release from: Agilent Technologies Europe | Subject: HPLC Chip
Edited by the Laboratorytalk Editorial
Team on 01 March 2007
HPLC Chip covers entire LC mass spec
portfolio
Agilent Technologies has expanded use of its revolutionary, high-performance liquid chromatography (HPLC) chip to its triple quadrupole (QQQ) and quadrupole-time of flight (Q-Tof) mass spectrometers
The move enables both of these chip/mass spectrometer systems to perform small molecule analysis and completes the chip's expansion across Agilent's entire liquid chromatography/mass spectrometry (LC/MS) portfolio Agilent's HPLC chip technology is an innovative form of liquid chromatography separation that replaces conventional LC nanoflow column and microvalves with a simple, compact microfluidics chip
This article was originally published on Laboratorytalk on 30 Apr 2007 at 8.00am (UK)
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Five chips for large and small molecule analysis
Agilent has expanded its line of HPLC chip/mass spectrometry (MS) modules, introducing five chips for the study of small and large molecules, all to be used with the 1200 series HPLC-chip system.
Smaller than a credit card, the chip seamlessly integrates the sample enrichment and separation capability of a nanoflow LC system with the single emitter per instrument and intricate connections used for electrospray mass spectrometry.
The technology eliminates 50 percent of the fittings and connections typically required in nanoflow LC/MS systems, dramatically reducing the possibility of leaks and dead volumes, and significantly improving ease-of-use, sensitivity, productivity and reliability during analysis.
Agilent's HPLC Chip technology delivers stable, reproducible nanospray, critical for high-sensitivity quantitative QQQ applications for small molecules.
Further reading
An end to chromatography columns?
'Breakthrough' microfluidics technology uses polymer chip smaller than a credit card, but which can incorporate columns up to 20cm in length
Agilent updates CGH microarray software
For large-scale experiments, Agilent DNA Analytics 4.0 can process more than 100 microarrays (244K), helping users easily compare data and visualise patterns
The expansion announced today enables researchers to move beyond the HPLC chip's early protein-identification applications to the small molecule arena.
"Where sample size is limited, quantitative nanospray on the QQQ in particular will offer special opportunities, providing substantial savings to customers in sample preparation alone," said Agilent's Fred Strohmeier, vice president and general manager, liquid phase separations division.
"It will have special use for life sciences, environmental and forensic applications, where researchers often deal with low amounts of sample.
"For these applications, conventional nanospray isn't reliable enough for routine use and is difficult to implement and maintain," said Strohmeier.
"With the HPLC chip, in combination with Agilent's LC/MS portfolio, it's finally accessible for these applications - and in a remarkably easy-to-use format".
Mass spectrometry is used to identify organic compounds and contaminants through analysis of their ion fragments.
It is used in food safety, environmental testing, forensics and proteomics research, as well as drug discovery, development and manufacturing QA/QC.
The Agilent 6410 Triple Quadrupole provides femtogram-level sensitivity - comparable to the most expensive instruments of this class - along with Agilent reliability and a 30 percent to 50 percent lower price.
It is used primarily for environmental, food safety, forensics and pharmaceutical applications.
The Agilent 6510 Q-Tof provides superior analytical performance compared with the most expensive high-performance Q-Tof instruments.
It simultaneously offers attomole sensitivity, routine mass accuracy better than 3ppm, and 3.5 orders of magnitude in-spectra dynamic range.
It enables fast data acquisition at 20spectra/second or 1MS and 5MS/MS per second in data-dependent mode.
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