Sentences with phrase «crystal structure»

Twenty five research groups who have been developing methods for predicting crystal structures of organic molecules took part in the latest test.

Being able to accurately predict the most stable crystal structure for a material has been a longstanding challenge for scientists.

This allowed the selection of two materials with different crystal structures yet with sufficient chemical flexibility to grow in a completely ordered manner throughout the interface between them.

In metal alloys, the shape memory effect is based on the phenomenon that they can exist in two different crystal structures as a function of a specific temperature.

In several cases, high - resolution crystal structures show that the design models closely match the experimental structure.

This allows one material to grow on another while maintaining an ordered crystal structure across the interface.

Different approaches to the problem have been developed and these have been evaluated over the years in international exercises, known as the blind tests of crystal structure prediction.

All the materials have the same crystal structure, and calculations suggest that vibrations simply do not provide enough pull to account for such high critical temperatures.

Most metals alloys will snap back to their rigid crystal structures when cooled back down.

Even in the case of functional materials, current computer codes work well only for perfect crystal structures — which are only a small part of the materials realm.

Materials with a defined crystal structure are a familiar phenomenon in condensed matter physics.

It has a regular crystal structure and each atom has its well - defined position, but still the iron atoms are relatively free to travel through the material.

At the time, a three - dimensional (3D) crystal structure of the transcription machinery seemed out of reach, and an X-ray solution, even more challenging.

«These two states have the exact same composition but very different crystal structures,» he said.

«Longstanding bottleneck in crystal structure prediction solved.»

Model calculations were performed to test the possibility of solving crystal structures of proteins by Patterson search techniques with three - dimensional structures obtained from nuclear magnetic resonance (NMR) interproton distance restraints.

Subsequently, the research group determined crystal structures of different VERL repeats bound to lysin, the counterpart protein of VERL on abalone sperm.

January 20, 1994 Aspirin target deciphered X-ray crystal structure of unusual membrane protein may spell relief for millions who take non-steroidal anti-inflammatory drugs.

They examine how the minerals» crystal structures change as they are compressed, and use that information to gauge the minerals» relative capacities for storing hydrogen.

[Response: This 66 % proposal is ridiculous, because argon, a large atom, is easily trapped between mineral grains and within crystal structures.

These tetrahedra arrange into crystal structures called pyrochlores.

Medicinal chemists, protein biochemists and microbiologists then work together to discover and progress novel scaffolds and chemical series, informed by crystal structures and expert biological input.

To that end, Ceder is working with a group at MIT on software that reads papers in experimental materials science and automatically extracts information on crystal structures in a standard format.

Previously, scientists had worked with crystal structures, which are static snapshots of this same protein.

The base material is silicon carbide, a material with a diamond - like crystal structure in which high - strength carbon fibers are embedded.

The scattering of the rays reveals crystal structures, making it possible to identify Martian minerals.

As a van der Waels crystal — a layered crystal structure similar to graphene or graphite — hBN was demonstrated to be two orders of magnitude more efficient than hyperbolic metamaterials shown to date, says Caldwell.

«This is the first protein crystal structure of a human membrane protein at room temperature,» said Gati.

To create crystal structures that do not depend on the size and nature of the component atoms, Chad Mirkin of Northwestern University in Evanston, Illinois, and colleagues used gold...

The layer in the panel that's responsible for soaking up sun has atoms that only arrange themselves into a light - absorbing crystal structure at high temperatures.

Mixing materials with different crystal structures leads to new phases that otherwise would require negative pressure to be made.

«New crystal structures reveal mysterious mechanism of gene regulation by the «magic spot».»

These clusters connect into cage - like crystal structures called clathrates.

The final frames of the hormone bound with the receptor precisely match the X-ray diffraction predicted crystal structures, confirming the accuracy of the simulations.

«That was the marvelous thing about crystal structure analysis,» Dunitz remarks.

This cubic form of ice (crystal structure shown) is found only at very high pressures such as those deep in Earth's interior.

This behavior results from the special crystal structure of the microrods, in which the lanthanide ions wind in a helical chain along an axis of the crystal.

This was then confirmed and validated using a detailed crystal structure of the antibody - virus protein complex obtained at NTU, which also provided insights into how the antibody engaged the virus to produce the desired effect.

Electron microscopic and crystal structure analyses put a further piece of the puzzle into place.

In addition, crystal structures exist for arrestin proteins, but not in complex with a GPCR.

Because neutrons have no charge, they can easily examine crystal structure behavior in complex sample environments such as pressure cells.

Researchers led by Olexandr Isayev, Ph.D., and Alexander Tropsha, Ph.D., at the UNC Eshelman School of Pharmacy used data on approximately 60,000 unique materials from the National Institute of Standards and Technology's Inorganic Crystal Structure Database to create a new methodology they call Properties Labeled Materials Fragments.

The team analyzed 686 chiral crystals and 1000 achiral crystals from the Inorganic Crystal Structure Database.

Teaming up with researchers from Brigham Young University in Provo, Utah, and Israel's Negev Nuclear Research Center, he gradually expanded the 2003 algorithm and library into AFLOW, a system that can perform calculations on known crystal structures and predict new ones automatically.

«As a result of our work, designers can now specify location specific crystal structure orientations in a part.»

Here we report two agonist - bound crystal structures of human CB1 in complex with a tetrahydro...

«A new layered crystal structure of manganese dioxide is used in this chemistry, which is intercalated with copper ions.

Graduate Student Brian Bender helped to determine the first crystal structure of neuropeptide Y. Neuropeptide Y plays a role in the regulation of the hunger feeling and is a promising drug target.