Water / Wastewater 43
A novel chemiluminescence- based detection method for the fi ght 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 Scientifi c Offi cer stated. “We validated our concept over the last year on Listeria monocytogenes and Salmonella, where we expect to start the AOAC certifi cation process in fall.”
NEMIS uses molecules emitting a bright chemiluminescent light which is triggered specifi cally 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 specifi c 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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High quality bladder pumps
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Pesticide sampler scoops environmental technology award
The Ministry of Environment of Baden-Württemberg, in Germany, has awarded the Environmental Technology Prize for the sixth time. Among this year’s winners were MAXX Mess und Probenahmetechnik who, after many weeks of intense and hard work, were delighted to receive an award for their pesticide sampler in the ‘Process Measuring & Control’ category.
The device is used for event-triggered automatic water sampling in agriculture areas. The instrument fi nds out how much the run-off water of these areas is loaded by pesticides etc. after heavy rainfall. This sampler represents a new, unique combination of particle sampling, liquid sampling and large-volume-solid-phase extraction (LVSPE). Although the unit is battery driven, it can handle long stand-by-times of several months and even cool the liquid sample after collection.
It is almost tamper proof and equipped with a GPS-tracker. A SMS unit notifi es the operator automatically when a rain event has happened and the sampling program has been activated.
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Myron L®
50341pr@reply-direct.com
Company’s new 900 Series industrial monitor/controller
combines fl exibility, accuracy and reliability. It is the ideal instrument for even the most demanding water treatment applications.
Measurement capabilities include: Conductivity, Resistivity, Salinity, TDS, pH, ORP, Temperature, mVDC, Flow and % Rejection. It includes a 4-20 mA input. Standard outputs are a 0-10 VDC recorder output and a Relay output. Available optional outputs include a 4-20 mA, an RS-485 output, as well as 2 additional Relays.
The instrument’s display can show up to 4 measurements simultaneously. Sensor setup allows the user to eliminate error due to cable length and enter custom cell constants for conductivity sensors. Calibration is electronic. It’s 3.5” touchscreen and intuitive GUI make it simple to set up, simple to use and simple to adapt to your specifi c needs.
The Myron L® Company 900: A high level performer for applications where high level performance is an absolute requirement.
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Solinst bladder pumps provide excellent performance and reliability—especially when sampling for VOCs. The bladder pump comes standard with a durable PTFE bladder, which ensures that drive air or gas does not contact the sample, thus avoiding degassing or contamination of the sample. Solinst bladder pumps are great for low fl ow and regular sampling. Stainless steel pumps can sample from up to 150 m (500 ft.).
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www.envirotech-online.com IET September / October 2019
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