Mass Spectrometry News and Research

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Mass spectrometry is an analytical method used to identify different compounds based on the atomic sample constitution of the molecules and their charge state, which enables “blind” analysis of an unknown sample without any prior knowledge of its composition.

Imaging Technology Provides New Understanding of Root Chemicals Responsible for Plant Growth

On a sunny springtime stroll through a park, it's easy to ignore the parts of plants that are hidden from view. Plant biologists see things differently.

26 May 2023

Breakthrough Discovery Paves Way for Understanding Downstream Cellular Applications in Human Health

Assemblies of tiny molecular proteins span the membranes that encapsulate our cells, directing cellular activities and regulating the transport of materials and information in and out.

25 May 2023

Novel Map Depicts the Human Body's Highly Complicated System for Repairing DNA Damage

Writing in the May 22, 2023 issue of Cell Systems, a diverse team of scientists, led by researchers at University of California San Diego School of Medicine, have produced a novel map that depicts the human body's enormously complicated and highly evolved system for addressing and repairing DNA damage -; a cause and consequence of many diseases.

23 May 2023

Study Provides a New Picture of How Bacterial Cells Repair Faulty DNA

A new study adds to an emerging, radically new picture of how bacterial cells continually repair faulty sections of their DNA.

17 May 2023

Proteomics Approach Identifies p62-Mediated Selective Autophagy of the Supramolecular Vault Complex

Our body functioning is delicately balanced between the synthesis and breakdown of various cellular components.

16 May 2023

Essential Oil From the Leaves of Labrador Tea Plant Has Antimalarial Properties

Much of what is now considered modern medicine originated as folk remedies or traditional, Indigenous practices. These customs are still alive today, and they could help address a variety of conditions.

12 May 2023

Novel Technique Enables In Vivo Cross‐linking for Protein Complex Analysis

As the executor of life activities, proteins exert their specific biological functions through interactions such as forming protein complexes.

10 May 2023

New Extraction Protocol Offers a More Comprehensive Picture of Cellular Activity

Researchers at the Van Andel Institute have created a new extraction protocol for RNA-seq and metabolomic analysis that provides a more comprehensive picture of cellular activity than either technique alone.

3 May 2023

Previously Unknown Regulatory Mechanism for Circadian and Temperature Signaling Pathways Revealed

Ever wondered why people become tired when the sun goes down? What causes some flower petals to open during the day and close at night? Or how monarch butterflies ascertain when to migrate south?

2 May 2023

Comparison of De Novo Proteins and Computer-Generated Proteins

Proteins are components of every cell. How they have changed in the course of evolution for the purpose of taking on new functions in the body, has long been a subject of research.

13 Apr 2023

Novel Method can Measure the Abundance and Modification of tRNA Molecules in a Single Step

Ribonucleic acid (RNA) molecules are present in all living cells, with different types of RNA having different jobs.

7 Apr 2023

Surface Structure Impacts Quorum Signaling of Bacteria Across Biofilms

Similar to how cells within human tissues communicate and function together as a whole, bacteria are also able to communicate with each other through chemical signals, a behavior known as quorum signaling (QS).

5 Apr 2023

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

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

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

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

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