Sentences with phrase «determining chemical structures»

MS / MS refers to a newer technique called tandem mass spectrometry, an even more powerful method of determining chemical structures.

Van der Donk asked Drennan, an expert in determining chemical structures of proteins, if she could try to reveal the structure of MPnS, in hopes that it would help them find more variants of the enzyme in other bacteria.

To find out, Engler and her colleagues extracted cyanogens from the plants and recently emerged butterflies and determined their chemical structures using nuclear magnetic resonance and mass spectroscopy.

Not exact matches

This testing determines how your product interacts with various flexible packaging structures, and will help with identifying adverse effects that a product has on flexible packaging materials, such as chemical degradation or delamination.

She determined the structural difference between pepsin and its precursor pepsinogen, analyzed the proteins» shapes, and determined how temperature and chemical conditions influence their structures.

X-ray crystallography (a technique used for determining the atomic and molecular structure of a crystal, in this case, a Gamillus crystal) and point mutagenesis suggest the acid tolerance of Gamillus is attributed to stabilization of deprotonation in its chemical structure.

Physics and chemistry professor Ahmed Zewail and his colleagues at the California Institute of Technology married two previously independent lines of research: femtochemistry, in which pairs of brief laser pulses initiate and monitor a chemical reaction, and electron diffraction, in which a molecule's structure is determined from the scatter of electrons fired at a crystal containing billions of copies of that molecule.

In addition, terahertz radiation could determine the structures of many complex chemicals, yet is safe for biological use — desirable properties for medical imaging.

When the sample produced a chemical compound they were not able to identify, the researchers tried high - resolution mass spectrometry to determine the chemical compound's components but were unable to figure out its exact molecular structure.

Washing the leaves in a variety of chemical baths helped Elliott determine the leaves» structure and species.

They found that the ELVOC formation happens very fast and that the chemical structure of the precursor gases determines how effectively they form ELVOC's.

By comparing high - resolution structures of two complexes — one containing both a DUB and a pseudo-DUB, and two copies of an inactive DUB by itself — the team determined that KIAA0157 alters the shape of the BRCC36 active site, by swinging an amino acid into position to make the complex able to catalyze chemical reactions.

In this test participants were challenged to predict nine recently determined crystal structures of five target compounds given only the chemical diagram of the molecules and conditions of crystallisation, with two sets of predictions allowed per target compound.

Chemists immediately wanted to determine its chemical formula and structure.

The samples ranged from a simple alcohol to a complex plant hormone, and the new method, dubbed «CAL» for covalent alignment (the molecules form a type of chemical bond known as a covalent bond in the MOFs), enables researchers to determine the complete structure of a molecule from a single MOF crystal that contains the sample molecules in its pores.

At the SGC, the fellows will carry out chemical assays or determining the co-crystal structures of their molecules with their protein targets, and in industry the fellows will design, synthesize and characterize the chemical probes.

HPP - 4382 does not have electrophilic properties, as determined by its structure and lack of chemical reactivity with common thiol - containing compounds such as N - acetylcysteine.

In addition to extending a relatively new method of determining the chemical composition of planets to examine their internal structure, the team found that the rocky material being accreted by the star could be comprised of minerals that are typically associated with marine life processes here on Earth.

Utilizing this structure, we searched chemical databases for scaffolds exerting significant binding interactions similar to (or stronger than) those exerted by ponatinib, determined by comparing their free energies when docked inside of the RIPK2 binding site.

Other major projects include systematic identification of biomarkers to improve clinical management of cardiotoxicity induced by cancer therapies, identification of ectopic pregnancy biomarkers, and use of chemical crosslinking coupled with high resolution mass spectrometry and molecular modeling to determine structures and dynamics of large protein complexes.

The laboratory is also using chemical crosslinking - based structural mass spectrometry techniques coupled with molecular modeling to determine structures of large protein complexes and characterize protein conformational changes involved with physiological processes.

The group, led by principal investigator and Ames Laboratory scientist Emily Smith, is receiving $ 1 million a year for three years from the DOE's Office of Science to develop a subdiffraction Raman imaging platform that will provide an unprecedented look at the specific chemical structures of plant cell walls and then determine how best to deconstruct plant material as a source of biofuels.

Antibiotics vary with their chemical structure, and this will determine what type of infections they treat, and whether they kill the bacteria (bactericidal) or simply slow bacterial growth to let the immune system defeat the infection (bacteriostatic).

Epic Pharma, LLC, Laurelton • NY 2008 — 2010 Chemist Analyzed products with organic and inorganic compounds to determine chemical and physical properties, composition, structure, relationships, and reactions utilizing chromatography HPLC, spectroscopy, and spectrophotometer techniques.