Sentences with phrase «chemical synthesis methods»

In particular, current chemical synthesis methods use high temperatures and toxic solvents, which make environmental remediation expensive and challenging.

For example, genetically engineered organisms used in the research laboratory to develop new chemical synthesis methods are not likely to require the same level of public dialogue as products that have more uncertainty associated with them, such as organisms with gene drives, which enhance organisms» ability to pass certain genetic traits on to their offspring.

The researchers fabricated these composites using a scalable chemical synthesis method and studied their performance in oxygen reactions.

Not exact matches

Double - stranded RNA molecules have been produced through chemical synthesis, both as drug molecules and for research purposes, but such production methods are inefficient and expensive for plant protection,» Poranen states.

The synthesis method developed in this work opens up possible variations, such as cross-linking or chemical functionalization (adding atoms or small molecules to the carbon nanothread that alter its function).

«Chemical synthesis with artificial intelligence: Researchers develop new computer method: Machine learning enables syntheses to be planned with unprecedented efficiency.»

By mimicking the molecular self - assembly process that occurs in living organisms, chemists can learn new methods of chemical synthesis of nano / micro-structures.

High - pressure synthesis (over 10 GPa) is not a commonly used method in the field of materials science, write the researchers in their study published in the Journal of the American Chemical Society.

«This latest finding provides a concise and direct synthesis pathway that, due to the structure of the products delivered, will likely be quite valuable for the discovery and development of therapeutic agents,» says Micalizio, whose work focuses on the design of organic chemical reaction methods and strategies to improve medicine and human health.

Li Ying, a retired chemist at the Chinese Academy of Sciences Institute of Materia Medica in Shanghai, who worked on the synthesis of artemisinin derivatives, wrote in an article in 2008 that Tu's method of extraction and purification yielded crystals containing artemisinin mixed with other chemicals, giving rise to toxicity in clinical trials.

«Future research will focus on pushing the size limits of chemical protein synthesis even further and developing methods to improve the efficiency, quality, and yield of the synthetic process,» says Jacobsen.

DAG proceeds in a low chemical yield of 40 percent by this synthesis method, with the remaining 60 percent of the possible product being lost.

Thus, although the conventional graphene fabrication method of chemical vapor deposition is widely used for the large - area synthesis of graphene on copper and nickel films, the method is not suited for silicon microelectronics, as chemical vapor deposition would require a high growth temperature above 1,000 degrees Celsius and a subsequent transfer process of the graphene from the metallic film to the silicon.

The development of new methods for the chemical synthesis of proteins is highly significant to access a range of proteins inaccessible by conventional approaches.

Methods: The team began with a novel materials synthesis method, and a new microscope to obtain the images and interpret the associated chemical data.

Different chemicals used for the field include inhibitors for scaling, fouling, corrosion, asphaltene control, formation damage, differential pressures in multiphase environments which will be met by new synthesis methods including metathesis reactions, bio based feedstocks, new polymer surfactants, living polymers, and nanoparticle.

Many methods, such as sol - gel, hydrothermal synthesis, rf - sputtering and chemical vapor deposition, have been used for the deposition of WO3.

By combining the cellulose - breakdown and sugar - conversion steps, we are very close to a single - step method of converting raw biomass into a new platform chemical — a chemical you can readily turn into a transportation fuel or for synthesis of plastics and other useful materials,» said PNNL geochemist and study coauthor Jim Amonette.

«In this study we applied the method to bacterial 16S sequencing but since the generation of these libraries is easy, flexible and cost effective — no fancy fluidics equipment or chemical synthesis of specific barcodes is needed — we are currently applying the assay in a number of other projects.

He has developed novel methods and strategies for the construction of complex molecules and has applied these ideas to the total chemical synthesis of some of the most complex natural products known.