Analytical Chemistry News and Research

Latest Analytical Chemistry News and Research

Tiny Protein Interacts with Ion Channels to Make Our Eyes Sensitive to Dim Light

Using cryo-electron microscopy and mass spectrometry, researchers from PSI have deciphered the structure of an ion channel found in the eye while it interacts with the protein calmodulin – a structure that has eluded scientists for three decades.

4 Apr 2023

Researchers Uncover a New, Direction-Dependent Friction in Proteins

An interdisciplinary research team of the Institutes of Physical Chemistry and Physics of the University of Freiburg and the Max Planck Institute of Biophysics in Frankfurt-am-Main has discovered a new, direction-dependent friction in proteins called anisotropic friction.

3 Apr 2023

Tighter Core of SARS-CoV-2 Spike Protein in New Variants Likely Improved the Virus's Ability to Infect Host Cells

Just as a tight core is a component of good physical fitness for humans, helping to stabilize our bodies, mutations that tightened the core of the SARS-CoV-2 spike protein in new variants may have increased the virus's fitness.

3 Apr 2023

Six compounds contribute to the fermented coffee experience, scientists report

Specialty coffees are gaining traction in coffeehouses around the world -; and now a fermented version could bring a fruity taste to your morning cup of joe.

30 Mar 2023

Uncovering the chemical components of 'fruity' flavored fermented coffee

Specialty coffee has become increasingly popular in recent years, with some experts questioning whether the specialty coffee segment is growing faster than the global coffee industry itself.

29 Mar 2023

Meta-scale approach to quantifying the protein variants in the human body

A key conundrum in biology is why many very simple creatures, such as the widely studied worm C. elegans, have almost as many genes as the human genome, which has about 20,000 genes.

27 Mar 2023

Pesticide residues in water test kit for sustainable and safe agriculture

Farmers in Thailand still largely use chemical herbicides, especially paraquat and atrazine, to control weeds on their farms. According to research by the Office of Agricultural Economics, in 2019, Thailand imported almost 10 million kilograms of paraquat and close to 3.5 million kilograms of atrazine.

23 Mar 2023

Deactivating mosquito sperm to control populations of Culex

New UC Riverside research makes it likely that proteins responsible for activating mosquito sperm can be shut down, preventing them from swimming to or fertilizing eggs.

22 Mar 2023

Novel newborn screening test for HCU works by measuring homocysteine levels

Scientists have developed a test that could greatly improve quality of life for infants with homocystinuria (HCU)-;a congenital disease that, if not treated early, causes serious complications. Research demonstrating the efficacy of this test was published today in AACC's Clinical Chemistry journal.

16 Mar 2023

Novel method quantifies the total polysulfide content in fresh vegetables

Sulfur-rich foods, like onions and garlic, have long been recognized to have health-promoting properties. It has been difficult to investigate how food containing sulfur compounds enhances health because the levels—and types—of reactive polysulfides found in various vegetables have not been adequately assessed.

14 Mar 2023

Chemical compound found in common tropical plant helps kill cancer cells

A scientific instrument at the Department of Energy's Oak Ridge National Laboratory could help create a noninvasive cancer treatment derived from a common tropical plant.

13 Mar 2023

Novel protein complex plays a significant role in RNA protection

Two proteins help in protecting and stabilizing RNA as it travels through the cell carrying muscle-forming code. Studying this RNA-stabilizing complex further may have ramifications for muscle recovery and disease treatment.

10 Mar 2023

Innovative method to quickly identify bacteria in fluids

Shine a laser on a drop of blood, mucus, or wastewater, and the light reflecting back can be used to positively identify bacteria in the sample.

3 Mar 2023

Scientists receive $2.5 million NIH grant to define the role of lipid droplets in muscle stem cell function

A team of Purdue University scientists led by Shihuan Kuang has received a $2.5 million grant from the National Institutes of Health to define the role of lipid droplets in muscle stem cell function, a study with implications in both humans and livestock.

24 Feb 2023

Scientists unravel the secrets of polydopamine coatings

Dopamine is best known as a neurotransmitter. What is rather unknown, however, the underwater glue used by mussels contains large amounts of L-Dopa molecules, an analog of dopamine.

17 Feb 2023

Beef, pork, chicken, and other meats contain new antioxidants, analysis reveals

Imidazole dipeptides (IDPs), which are abundant in meat and fish, are substances produced in the bodies of various animals, including humans, and have been reported to be effective in relieving fatigue and preventing dementia.

17 Feb 2023

Study explains why cancers stop responding to kinase inhibitors and come back stronger

More than 70 FDA-approved cancer drugs are kinase inhibitors, which work by blocking kinases-;enzymes that add phosphate groups to molecules in the cell-;and preventing the chemical activity necessary for signaling and growth in cancer cells.

14 Feb 2023

Novel analytical platform quantitatively characterizes mRNA vaccines

Researchers from Tokyo Metropolitan University and RIKEN CSRS have developed a new analytical platform based on liquid chromatography, mass spectrometry and software analysis that quantifies the structure of messenger RNA (mRNA) based medicines.

14 Feb 2023

Robust new method accurately identifies eight antidepressants

In recent years, a mass spectrometry process that can detect the amounts of drugs in a biological sample, such as blood, has become a powerful diagnostic tool for helping medical professionals identify and monitor levels of therapeutic drugs in patients, which can cause unwanted or dangerous side effects.

14 Feb 2023