assay News | Environmental XPRT

New comet assay online resource: www.scorecomets.com

Perceptive Instruments Ltd is proud to announce the launch of the new-look one-stop website for the comet assay: www.scorecomets.com. This online resource contains information regarding the comet assay method, theory and news articles detailing some of the interesting applications for comet assay. This new online resource will be the first place to look when in need of comet assay news, ...

Dec. 5, 2011

By Instem Group

nitrate/nitrite assay kit

Contact Angela: reagenllc@gmail.com We have developed a new kit: Nitrate/Nitrite Assay Kit The unique features of the kit are: High sensitivity and low detection limit (0.02 ppm) High reproducibility A rapid (45 minute), robust enzyme-based assay qualitative & semiquantitative Liquid reaction reagent The unique features of the kit are: High sensitivity and low detection limit (0.02 ppm) ...

Dec. 24, 2015

By Reagen LLC

Accuracy of comet measurements in image analysis systems

If you are scoring comets using image analysis, you will want to be confident that the results you are getting are accurate. Comet Assay IV from Perceptive Instruments has a unique scoring method that has been validated both in-house and by many of the world’s leading pharmaceutical organisations and CROs. As part of the JaCVAM initiative to validate the in vivo and in vitro comet assays, ...

May 25, 2010

By Instem Group

Comet Assay IV v4.3 Released

Perceptive Instruments is proud to announce the release of Comet Assay IV v4.3 (http://www.perceptive.co.uk/cometassay/). The latest version includes a host of important updates that help make performing the comet assay an even smoother process. High resolution live imaging Comet Assay IV is now supplied with a FireWire video camera delivering 3x the resolution of previous models. This makes ...

Jun. 2, 2011

By Instem Group

Comet Assay IV at the forefront of cancer research

Shown below are findings from some recent papers using Comet assay IV (http://www.scorecomets.com) for scoring comet assay slides: Investigations into Xanthohumol, a hop derived prenylated flavonoid found in beer, suggest that it protects against DNA damage induced by a common cooked food mutagen in rat colon mucosa and liver cells [1]. A small clinical study in healthy adult volunteers ...

Aug. 2, 2010

By Instem Group

Nanomaterials and the Comet Assay

The manufacture and use of nanomaterials is increasing dramatically but there are serious concerns about the impact they may have on health and the environment. One specific area of concern is how nanomaterials interact with cellular DNA perhaps causing damage and mutation. The Comet assay is one of several genotoxicity assays being used to measure nanoparticle induced DNA damage. An increasing ...

Oct. 21, 2010

By Instem Group

Agilent Technologies Introduces Two New ScreenTape Assays to Optimize Next-Generation Sequencing Quality Control, Performance, Throughput

Agilent Technologies Inc. (NYSE: A) today introduced two new assays for the 2200 TapeStation system: the RNA ScreenTape and the D1000 ScreenTape assays. Both assays are essential for the quality control of samples in next-generation sequencing (NGS) workflow. They replace Agilent's R6K and D1K ScreenTape assays. The new RNA ScreenTape assay delivers qualitative and quantitative assessment of ...

Dec. 17, 2013

By Agilent Technologies, Inc.

Kinesis launches TELOS MicroPlate™ – versatile 96-well SPE format for small volume biological fluid samples

Kinesis has launched the new TELOS MicroPlate™, a versatile 96-well plate for the extraction of drug molecules from small volume biological fluid samples. Available as either loose wells or populated plates, the TELOS MicroPlate is available in 5 and 10mg sorbent masses and allows analyte elution in as little as 50µl. The full range of TELOS neo Generic SPE Sorbents (PRP, PCX, WCX, ...

Dec. 4, 2013

By Kinesis Inc

On request: the AMPTS II Light is here!

The AMPTS II Light features a CO2-absorbing unit, AMPTS II-based software and 6 test channels. This makes it a true sister product to the AMPTS II, our flagship product for various anaerobic fermentation assays, including BMP, anaerobic biodegradability, SMA and more. From now on, the AMPTS II Light will replace the former Biogas Endeavour, which can be converted into an AMPTS II ...

Jun. 3, 2016

By BPC Instruments AB (former Bioprocess Control)

Thermo Fisher Scientific Launches New MAS Omni Infectious Disease Quality Controls

Thermo Fisher Scientific, the world leader in serving science, today announced the availability of the Thermo Scientific MAS Omni Infectious Disease quality control sets for monitoring serological assays for analytes such as HIV 1&2, Hepatitis B & C virus, Syphilis and HTLV I/II. Serology testing for infectious diseases continues to be on the rise and newer instrument platforms are ...

Jul. 1, 2020

By Thermo Fisher Scientific, LIMS & Laboratory Software

Berthold Technologies Multilabelreader TriStar 2S now with HTRF/TR-FRET option

The successful Berthold Technologies multilabel reader TriStar2S now takes the next step. Right after the recent introduction of the monochromator technology, the TriStar2S now also supports time resolved fluorescence energy transfer assays (TR-FRET, HTRF). FRET is an excellent technology to monitor specific molecular interactions with high sensitivity in homogeneous phase. The effect relies on ...

Apr. 16, 2015

By Berthold Technologies GmbH & Co.KG

Smiths Detection announces AOAC certification of listeria assay

Smiths Detection, a global leader in threat detection and security screening technologies, was granted an AOAC INTERNATIONAL Performance Test MethodSM (PTM) program certification number 122005 for its Listeria CANARY® assay. The assay, used in the company’s Zephyr pathogen identifier, gives food and beverage companies a new, rapid solution to screen and protect against dangerous ...

Feb. 11, 2021

By Smiths Detection Inc.

USP Monograph Modernization: Chemical Medicines Assay by Potentiometric Titration

USP and Metrohm jointly developed a potentiometric titration method for potassium bicarbonate and potassium carbonate assay. The new method uses autotitration combined with suitable equivalence point detection fulfilling all USP method validation requirements as per USP General Chapter <1225>. Many of the chemical medicine assay procedures are done by manual titration as per USP ...

Nov. 23, 2018

By Metrohm AG

USP monograph modernization: Chemical medicines assay by potentiometric titration

USP and Metrohm jointly developed a potentiometric titration method for potassium bicarbonate and potassium carbonate assay. The new method uses autotitration combined with suitable equivalence point detection fulfilling all USP method validation requirements as per USP General Chapter <1225>. Many of the chemical medicine assay procedures are done by manual titration as per USP ...

Nov. 23, 2018

By Metrohm AG

Positive feedback from the JEMS 39th Annual Meeting

Perceptive Instruments completed a successful trip to Japan last month, exhibiting at the 39th Annual Meeting of the Japanese Environmental Mutagen Society (JEMS). During the meeting we met many of our Japanese Comet Assay IV users, the majority of whom are active participants of the Japanese Center for the Validation of Alternative Methods (JaCVAM) ...

Dec. 21, 2010

By Instem Group

Thermo Fisher Scientific Develops COVID-19 Antibody Assay Targeting Transplant Community

Thermo Fisher Scientific continues to expand its response to the COVID-19 pandemic, developing a new serological assay targeted towards transplant candidates and recipients that can detect antibodies directed against COVID-19 (SARS-CoV-2). The assay will be provided under the company's One Lambda brand representing leading in vitro diagnostic products for the transplant community. This novel ...

Aug. 10, 2020

By Thermo Fisher Scientific, LIMS & Laboratory Software

Thermo Fisher Scientific to Bring One-Day Genomic Profiling to Hematology Oncology

Clinical researchers who take a traditional sequential approach to analyze myeloid malignancies, a highly heterogeneous group of disorders, face a major hurdle: a laborious and time-consuming workflow. To simplify and accelerate the genomic profiling process, Thermo Fisher Scientific announced that the Ion Torrent Oncomine Myeloid Research Assay* will be available in 2020 to run on the newly ...

Dec. 5, 2019

By Thermo Fisher Scientific, LIMS & Laboratory Software

The Comet Assay and Occupational Exposure

The Comet assay is being used with increasing popularity in biomonitoring studies to determine the level of DNA damage in workers exposed to potentially hazardous chemicals and radiation. The assay is an ideal biomarker for such investigations due to its sensitivity and reliability in detecting DNA damage and repair. A large number of research groups are utilising our Comet Assay scoring systems ...

Mar. 30, 2011

By Instem Group

Balances worth their weight in gold

Balances play a central role in refining precious metals. They are used to ensure that the gold and silver content is measured with the highest possible accuracy. Argor-Heraeus relies on balances to meet the stringent regulations issued by the London Gold Bullion Association and the Jewelry and Watch industries. The Argor-Heraeus gold refinery processes precious metals and produces semi-finished ...

Jul. 27, 2011

By Mettler - Toledo Int. Inc

Arginase I (ARG1) Inhibitor Screening Kit (Colorimetric) (K567-100)

PRLog -- Arginase (EC 3.5.3.1) is a manganese-containing enzyme which catalyzes the conversion of arginine into urea and ornithine, which is the final reaction in the urea cycle. Arginase I (ARG1) is the liver isoform of arginase. Recent studies showed that ARG1 expression by mature myeloid cells in tumor environment as demonstrated in a 3LL murine lung carcinoma model causes L-Arginine ...

Mar. 13, 2018

By BioVision, Inc.,