14 Water / Wastewater


World’s fi rst semi-automated colony counter provides precise Legionella pneumophilia and Pseudomonas aeruginosa in environmental samples results in record time


The MICA Fluorescence Counter, from Diamidex, is the very fi rst microcolony semi-automated counter on the market. Thanks to its unrivalled optical resolution combined with a cutting-edge software using machine learning, it can detect and count microorganisms at their early stage of microcolony.


MICA makes it possible to count objects (such as micro colonies) on a membrane. The MICA Fluorescence counter’s optical system takes very high-resolution snapshots of each membrane, which are then analysed by the counter’s software to determine the precise number of objects present on the membrane.


Designed as a turnkey solution, MICA is easy to use and to implement, by all technicians. The operator is guided step-by-step through a simplifi ed protocol according to the targeted microorganism. The automatic counting of microcolonies ensures fewer uninterpretable results than traditional culture method, faster


This cutting-edge yet user-friendly device will not force you to change your habits; you can count Pseudomonas aeruginosa cultured on your usual CN agar plate, in CFU, automatically – yet much faster. You simply go through the regular NF EN ISO 16266 procedure and there is no need to change or add reagents. Incubation is reduced from 44 to 24 hours – and using the MICA to count P. aeruginosa at their micro colony stage means that CFU data is ready in just 24 hours, rather than the 44 hours you need with a manual count.


Legionella pneumophila is a ubiquitous bacterium, which means that it can grow in its natural habitat (hot water) and adapt to other environments with similar characteristics such as the human body. The latter has an ideal temperature for the growth of this pathogenic bacterium. If inhaled, Legionella pneumophila can make its way into the lungs to replicate until causing a potentially life-threatening infection: Legionnaires’ disease.


With Diamidex technology and MICA equipment, it is now possible to detect and count Legionella pneumophila after just 48 hours of incubation on Petri dishes (compared to 10 days with standard method). Only culturable Legionella pneumophila are counted from all serogroups, so there are less uninterpretable and more accurate results; all Legionella pneumophila micro colonies present are counted and not just few representative ones. This technology also offers a far more economical way to test for Legionella pneumophila than conventional methods.


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A step forward for turbidity measurement with new sensor technology enabling portable laboratory accuracy


With a few simple steps, results with the accuracy of laboratory instruments are now available using a portable solution. And in the lab, water samples with low and high turbidity ranges can be detected without dilutions. With the new TB350 from Lovibond®


,


users in drinking water applications, environmental analysis and laboratories enjoy more fl exibility than ever. The everyday challenges of turbidity measurements, such as inaccuracies caused by stray light, complicated handling and time-consuming calibration, are now eliminated. The TB350 is the most advanced portable turbidimeter on the market - with brand new technology, unprecedented measuring range and unsurpassed accuracy.


Multipath 90° BLAC® is the new, patented sensor technology.


It makes the TB350 unique and the most versatile turbidimeter combining laboratory accuracy in a portable instrument. The special feature: Highest accuracy is guaranteed in the lowest turbidity range from 0.01 NTU and also maintains the outstanding precision level in the highest turbidity range up to 4,000 NTU.


The recently developed optical system works with two ingeniously arranged 90° detectors and thus ensures a purely nephelometric measuring principle. During the turbidity measurement, two different path lengths of the incident light beam through the sample are cleverly exploited. Various particle sizes and shapes are thus detected with the highest measurement accuracy - even where the particle size distribution deviates from the calibration standard.


The novel BLAC® technology stands for Backscattered Light Absorbing Cavity. The light-absorbing trap almost completely eliminates unwanted stray light and provides extremely accurate results for low turbidity levels down to 0.01 NTU.


The new sensor technology was specifi cally designed by a team of world-renowned turbidity experts to solve common user problems in turbidity measurement. Easy-to-read colour touch screen and straightforward data management protocols ensure easy handling. Animated instructions guide through each step of the sampling to avoid operation errors. This makes the instrument intuitive and quick to understand, even for inexperienced users. A customised measuring mode for fast settling particles, the “Fast Settling Mode”, complements the outstanding instrument performance. It increases the accuracy of the turbidity readings for large and heavy particles from 20 NTU, but especially in the high measuring range up to 4,000 NTU.


The TB350 makes calibration and verifi cation procedures, which are otherwise quite complicated in turbidity measurement, easier than ever before. Formazin-based T-CAL®


primary solutions are safely sealed in airtight vials and can be used


immediately. Possible errors due to user preparation or dilution of standards are thus prevented and contact with harmful chemicals is avoided.


The new TB350, available as an infrared or white light version, is compliant with valid ISO 7027 and US EPA (pending) regulations and standards.


With a few simple steps, results with the accuracy of laboratory instruments are now available using a portable solution. And in the lab, water samples with low and high turbidity ranges can be detected without dilutions. With the new TB350 from Lovibond®, users in drinking water applications, environmental analysis and laboratories enjoy more fl exibility than ever. The everyday challenges of turbidity measurements, such as inaccuracies caused by stray light, complicated handling and time-consuming calibration, are now eliminated. The TB350 is the most advanced portable turbidimeter on the market - with brand new technology, unprecedented measuring range and unsurpassed accuracy.


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Ground-breaking solution to bacterial analysis in drinking water off ers a quicker and economical solution without compromising on precision


At the recent IFAT Fair in Munich, Microbium impressed visitors with their unique solution to bacterial contamination in water pipes. Testing the water supply for dangerous bacterium is a necessary but expensive and time-consuming task. Until now water was sampled and then tested in labs to ensure public safety – but Microbium are offering a quicker, easier, and far more economical alternative.


Microbium® MPN Analyser is the world’s fi rst digitised and automated smart-sensor driven instrument to perform this task onsite, thus cutting costs by approximately 90% - and reducing the economical waiting times for results considerably. The device is simple to operate, and the process is completed in four easy steps: the operator mixes a reagent with a sample of water, pours the solution into the analyser, waits for 3 – 24 hours and then reads the result (in CFU per ml). This unique device conforms to ISO 9308-2 and can detect a single cell in 100 ml of water, is able to differentiate between Escherichia coli and other coliform bacteria and also presents an environmentally- friendly way to monitor for these dangerous bacterium, as there is zero waste, unlike when determining bacterial content in a laboratory.


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