8 ENVIRONMENTAL LABORATORY
A novel chemiluminescence- based detection method for the fight against
E.coli and coliforms
Swiss diagnostic start-up NEMIS Technologies announces working on the development of rapid screening tests to detect E. Coli in food safety settings
“With our NEMIS solution based on the AquaSparkTM technology, on-site screening has never been so easy”, Mario Hupfeld, Chief Scientific Officer stated. “We validated our concept over the last year on Listeria monocytogenes and Salmonella, where we expect to start the AOAC certification process in fall.” NEMIS uses molecules emitting a bright chemiluminescent light which is triggered specifically by the target bacteria and gives a reliable and strong signal in presence of viable cells. First applications are environmental swab tests, although for E. coli and coliform detection the company works on more user formats. All tests are done without sample preparation, on-site, and give specific results in one shift depending on the pathogen. “It is an exciting opportunity for us to broaden our product portfolio with an E. coli and coliform detection test with a market launch planned in 2021”, CEO Arnaud Muller adds.
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New SPE vacuum
manifolds eliminate sample cross contamination
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50851pr@reply-direct.com ICP-MS portfolio expanded for greater customer focus
Analytik Jena has continued the development of its PlasmaQuant MS series. Customers will be able to configure every system in the ICP-MS series (ICP-MS: mass spectrometry with inductively coupled plasma) to suit their individual requirements. In addition to the PlasmaQuant MS and MS Elite models already available, two additional models are to be introduced. The PlasmaQuant MS Q is optimised for high-throughput applications, such as quality control for consumer goods, food inspection, or environmental monitoring. The second new model, the PlasmaQuant MS Elite S, was developed for routine analysis of ultratraces and offers an extremely high level of sensitivity. It is especially suitable for industries where analysis depends on the lowest detection limits and the highest recovery rates – such as applications in the semiconductor industry, quality control for high-purity chemicals, or in geochemistry and geochronology.
“With the new ICP models, the MS Q and MS Elite S, which have been specifically optimised for customer requirements in our seven key industries, we are consistently expanding the range of applications of the ICP-MS technology. Whether for high- throughput, routine, or research applications, the technological advantages of the PlasmaQuant MS series in combination with the new application-optimised upgrade options make it possible to achieve optimal, tailor-made solutions for our customers,” explains Dr. Marc Diener, Director of Product Management and Application at Analytik Jena, the expanded range of applications of the PlasmaQuant MS product series.
With the two new ICP-MS models, the company aims to serve users who require a particularly high degree of performance flexibility in their ICP-MS applications. Customers receive virtually unlimited freedom of application. Depending on the matrix load of the samples and the individual performance requirements for sensitivity and throughput, analysis of more than 80 samples per hour is possible. The continued development of the ICP-MS portfolio serves to optimise the ICP-MS technology of Analytik Jena for special and routine applications in the company’s seven key industries: oil and gas, environment, chemical, pharmaceutical, food, energy, and geology and mining.
Analytik Jena additionally offers a wide range of upgrade options to tailor all systems in the PlasmaQuant MS series for the requirements of their respective fields of application.
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At the Pittcon 2020 and Analytica 2020 exhibitions, HTA will introduce their HT1500U, their new and highly efficient autosampler for ion chromatography boasting unsurpassed value for money on the market. Unmatched quality and reliability combined with an extremely competitive price are the primary characteristics of the HT1500U.
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The HT1500U fits almost any IC analyser available on the market, allowing the automation of both anions and cations analysis with a unique flexible solution.
To this end, different configurations are available for HT1500U: stainless steel as well as polymeric needle are supported to deal with metal sensitive applications.
Cross-contamination of samples run in series through typical SPE vacuum manifolds is a common problem for sample preparation labs. Restek’s new Resprep Quick-Replace vacuum manifolds eliminate this risk because they contain a disposable valve liner that can be quickly and easily replaced between samples, ensuring a clean flow path for every extraction. In addition, the screw-type valve design provides precise, independent flow control of each SPE port. Resprep Quick-Replace vacuum manifolds are compatible with any standard male luer SPE cartridge and are available in 12- and 24-port models. The easily configurable rack system supports a wide variety of collection vessels and can be customised to accommodate vessel size.
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Monitoring of liquid matrices by gas chromatography
using a simplified and enhanced headspace sampling system Chromatotec®
offers a headspace sampling system designed to extract representative samples from the liquid phase. The vapourised sample can be pre-concentrated using a trap to achieve quantification at very low concentration levels (ppb and/or ppm). Then, it is injected automatically, and in continuous mode, into the auto-GC analyser. Speciation of sulphur compounds or VOCs is carried out with a MEDOR® enables online analysis without human intervention.
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sulphur specific electrochemical detector or an FID respectively. The complete system
This technology can be used for a wide variety of applications in the oil and gas industry; for example, it facilitates controlling the effectiveness of the LPG odourisation process with DMS and TBM, to alert in cases of leakage. In aqueous mode, it has been used for the analysis of acrylonitrile. This polymer is used in plastics, fibres or as a component of additives to enhance oil recovery. This sampling system reduces the risk of polymerisation of its monomer, acrylamide and avoids clogging columns.
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AET ANNUAL BUYERS’ GUIDE 2020
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The HT1500U holds up to 40 samples organised in multiple racks, each of them removable, to enable continuous sample feeding and a more convenient operation. Open as well as sealed tubes can be lodged on HT15000U to fit any requirements.
The on-board solvent reservoir, that includes 5 positions for rinsing solvents corresponding to a total washing capacity of 200ml, allows the needle and the whole flow-path to be cleaned before processing the next sample.
HT1500U was created with a strong commitment to quality, it will be a workhorse that will completely automate IC analysis without any need of monitoring by lab technicians. The instrument’s materials have been chosen for longevity, the cutting-edge technologies offer a level reliability that is the corner stone of this modern instrument while the design displays extreme attention to detail.
This autosampler is remarkably user-friendly. A simple, intuitive keypad allows the operator to start the analysis by just loading standards and/or samples and pushing the START button. All the samples in the racks are then automatically processed enabling a seamless integration with any chromatography data system.
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New, cost effective and highly effective ion chromatography autosampler
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