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Scientists develop new protocol for measuring background levels of drugs in forensic labs

When crime lab chemists handle evidence that contains illegal drugs, trace amounts of those drugs are inevitably released into the laboratory environment.

27 Sep 2018

P3 microplate accelerates removal of interfering proteins in biological samples

Porvair Sciences reports how its P3 microplate can be used to accelerate removal of interfering proteins from serum, plasma or even whole blood samples prior to analysis by Liquid Chromatography / Mass Spectrometry.

From Porvair Sciences Limited 14 Sep 2018

KNAUER introduces single quadrupole mass spectrometer

KNAUER launched a single quadrupole mass spectrometer. With the KNAUER 4000MiD the Berlin-based company expands their preparative HPLC portfolio to the field of mass directed purification.

From KNAUER Wissenschaftliche Geräte GmbH 23 Aug 2018

Illicit drug use is higher during celebratory events, may be worse than previously thought

America's drug problem may be even worse than officials realize. And illicit drugs are consumed at a higher rate during celebratory events. Those are just two of the conclusions scientists have drawn from recent studies of drug residues in sewage.

20 Aug 2018

Drinking alcohol alters adolescents’ metabolism and grey matter volume

A study conducted in eastern Finland has shown that moderate-to-heavy drinking among young adults is associated with changes in their metabolic profile.

29 Jun 2018

New study unravels secrets of HIV's persistence

Thanks to advances in the development of anti-retroviral therapy (ART), patients with HIV are living longer than ever before. And yet, even in patients on very effective, long-term ART, HIV persists, requiring patients to take antiviral medication life-long.

23 May 2018

Developing a High Throughput Mass Spectrometry Platform for Drug Discovery

Prof. Jonathan Wingfield, AstraZeneca, describes the collaboration with Labcyte and Waters to develop a high throughput mass spectrometry platform.

From Pittcon 18 May 2018

Placental hormone level rises during pregnancy and reaches peak as fetuses approach full term

Just as a runner steadily builds up endurance in order to peak at just the right time, the placenta carefully calibrates how much of the hormone allopregnanolone it produces during pregnancy.

7 May 2018

Charles River Laboratories Expands Services for Early Discovery Screening

Charles River Laboratories International, Inc. recently announced the expansion of its service capabilities in early discovery screening.

4 May 2018

Fingerprint test accurately and noninvasively detects heroin, cocaine users

A fingerprint test published today in AACC's Clinical Chemistry journal can tell whether someone has taken heroin or cocaine, and accurately distinguishes between drug users versus individuals who were exposed to drug residue in the environment.

23 Mar 2018

Genevac’s HCl-resistant EZ-2 evaporator offers reliable sample preparation for neonatal screening

Genevac reports on how its hydrochloric acid (HCl) resistant EZ-2 evaporator offers significant benefits to clinical labs tasked with analyzing plasma, blood or urine samples for neonatal disorders.

9 Feb 2018

New family of peptides in wasp's venom may help develop better Parkinson's treatments

After being stung by a parasitic wasp, the American cockroach loses control of its behavior, becoming host to the wasp's egg.

8 Feb 2018

Cannabis Quality and Contamination Testing

Dr. Bob Clifford has published and presented over 125 papers in the fields of food, pharmaceutical, environmental, energy, geology, material science, photonics, and cannabis. However, his true love is in food. After graduating with his Ph.D., he left his job with the FDA for Shimadzu where he has worked for the last 26 years.

From Pittcon 5 Feb 2018

Researchers optimize method to increase resolution of proteomic analysis

One of the key challenges of proteomics, the study of all proteins expressed by a cell or organism, is managing to distinguish between molecules that are structurally different yet have the same mass.

4 Jan 2018

New video shows how to use solid state filter microplate for LC/MS sample preparation

Porvair Sciences has published an informative video that shows how to use a solid-state filter microplate to remove interfering proteins from serum, plasma or even whole blood samples prior to analysis by Liquid Chromatography / Mass Spectrometry.

From Porvair Sciences Limited 22 Nov 2017

New discovery may lead to natural products for preventing dental caries

A new discovery may one day lead to natural anticavity products, researchers report. The scientists from West China School of Stomatology and Academic Centre for Dentistry Amsterdam have figured out the main active ingredient of Galla Chinensis, a natural herb, and further improved its anti-caries efficacy. The finding is published in The Open Dentistry Journal.

16 Nov 2017

Foods made with biofortified corn flour and eggs retain vitamin A after cooking

Fortified and biofortified foods are at the forefront of efforts to combat vitamin A deficiency worldwide. But little is known about what influence processing may have on the retention of vitamin A precursors in these foods.

16 Nov 2017

Adipocytes may reduce effectiveness of chemotherapeutic drug

Adipocytes, or fat cells, can absorb and metabolize the chemotherapeutic agent daunorubicin, reducing the effectiveness of the drug and potentially contributing to poorer treatment outcomes.

8 Nov 2017

Saliva proteins could explain differences in salt perception among people

Many Americans consume too much salt. Now in a study appearing in the Journal of Agricultural and Food Chemistry, scientists report that people who can easily taste salt have differing amounts of certain proteins in their saliva than those who are less sensitive.

2 Nov 2017

Mysterious DNA modification appears more in the brain under stress

With advances in genomics, scientists are discovering additional components of the DNA alphabet in animals. Do these unusual chemical modifications of DNA have a special meaning, or are they just signs that cellular machines are making mistakes?

24 Oct 2017