Sentences with phrase «achiral synthetic methods»

The research at Quest uses mostly familiar enantioselective synthetic methods, but the research directions seemed to be intuitive.

«Our ultimate goal was to solve the synthetic problem of HABs, which has been extremely difficult due to the structural diversity of benzene and the limited number of synthetic methods.»

They followed in the footsteps of calixarene pioneer David Gutsche of Washington University in St Louis, who recently developed a synthetic method for attaching side arms to the upper rim of the calixarene unit.

This is the most straightforward synthetic method ever reported.

Recently, this group succeeded to develop the synthetic method of branched terminal olefins from butadiene and alkyl halides through selective introduction of alkyl group into the internal carbon of butadiene by the aid of Cu catalyst.

Nobuaki Kambe, Professor, and Takanori Iwasaki, Assistant Professor, at the Graduate School of Engineering, Osaka University developed a synthetic method by constructing carbon frameworks of 8 carbons through the formation of a bond of two butadiene molecules by using a cheap nickel catalyst and introducing an alkyl group and a benzene ring to an internal and terminal carbons of 1,6 - octadiene, respectively.

Such understanding can then be applied to new synthetic methods and in designing novel materials.

However, the precise nature of that role is undergoing a visible change, not only because of the new synthetic methods and technologies now available to the synthetic and medicinal chemist, but also in several key areas, particularly in drug metabolism and chemical toxicology, as chemists deal with the ever more rapid turnaround of testing data that influences their day - to - day decisions.

Thus, achiral synthetic methods were first applied in order to obtain all four possible stereoisomers, while a subsequent resolution, via chiral chromatography, has led to the optically active single derivatives (compounds 76 a-d).

This synthetic method avoids the use of toxic metals, hazardous chloride reagents, and moisture sensitive chloride intermediates for the synthesis of biologically important mixed phosphonate compounds.

On Sunday afternoon, I went to a symposium in honour of Bruce Lipshutz, who won the Herbert C. Brown Award for Creative Research in Synthetic Methods.

Coverage includes the use of sustainable resource, chemical aspects of renewable energy, the design of new greener and safer chemicals and materials, the use of sustainable resources, the development of environmentally improved routes, synthetic methods.

Coverage includes the use of sustainable resource, chemical aspects of renewable energy, the design of new greener and safer chemicals and materials, the use of sustainable resources, the development of environmentally improved routes, synthetic methods.

I'm all for the non toxic, non synthetic methods of improving farming for poor people anywhere in the world who need the guidance, but not at the expense of native environments or with the promise of more and more people.

Coverage includes the use of sustainable resource, chemical aspects of renewable energy, the design of new greener and safer chemicals and materials, the use of sustainable resources, the development of environmentally improved routes, synthetic methods.

Not exact matches

The method involves tagging a molecular drug delivery vehicle with synthetic DNA that can then be used to see how cancerous tumors are responding to specific treatments (the drugs themselves are placed into these tagged nanoparticles).

It does not discuss all aspects of U.S. federal income taxation that may be relevant to particular holders in light of their particular circumstances or to holders subject to special rules under the Code (including, but not limited to, insurance companies, tax - exempt organizations, financial institutions, broker - dealers, partners in partnerships (or entities or arrangements treated as partnerships for U.S. federal income tax purposes) that hold HP Co. common stock, pass - through entities (or investors therein), traders in securities who elect to apply a mark - to - market method of accounting, stockholders who hold HP Co. common stock as part of a «hedge,» «straddle,» «conversion,» «synthetic security,» «integrated investment» or «constructive sale transaction,» individuals who receive HP Co. or Hewlett Packard Enterprise common stock upon the exercise of employee stock options or otherwise as compensation, holders who are liable for the alternative minimum tax or any holders who actually or constructively own 5 % or more of HP Co. common stock).

Slip Doctors has developed several methods for improving traction on tiles, stone, VCT, porcelain, concrete, ceramic, acrylic, fiberglass and most other surfaces commonly found on walking surfaces, boat decks, porcelain and fiberglass bathtubs, showers, wood — even synthetic surfaces.

According to Johnson, «the synthetic picture of Jesus that Meier begins to advance in this volume... owes more than a little to a process of false inference, and to the contribution made by the Gospel narratives and interpretations that [Meier's] method began by explicitly eschewing.»

However, philosophy in this country abandoned its synthetic and universal task in favor of identifying its own limited subject matter alongside that of other disciplines and developing methods for its study.

A logical analysis of the use and meaning of words, it was said, led to two types of language: (1) tautologies, where what is said is logically true, as in mathematics or in such statements as «a rose is a rose» or «I am I,» and (2) synthetic or nonanalytic sentences, in which the meaning is its method of verification.

Organic farming methods are at the cutting edge of the future of sustainable farming, delivering foods consumers are demanding and shining light on a farming pathway ahead without reliance on synthetic agrochemicals or GM technology.

At the time it was one of a very few organisations supporting farmers using methods that didn't rely on synthetic chemicals.

Organic grape growing avoids the use of synthetic chemicals and uses natural methods like crop rotation, tillage and natural composts to maintain soil health as well as natural methods to control weeds, insects and other pests.

«Organic» defines foods produced by methods with no synthetic inputs such as pesticides, chemical fertilizers, genetically modified organisms, irradiation, industrial solvents or chemical food additives.

Raising organic meat is far more than just making sure animals are free ranging and grass fed, it's equally about producing cattle without synthetic growth hormones, limiting vaccine use, not using routine antibiotics, breeding using natural methods, stress free weaning that allows for the ethological needs of mothers and young, access at all times to unfiltered sunlight and not using electric prodders as a routine management method.

Raising organic meat is far more than just making sure animals are free ranging and grass fed, it's equally about producing cattle without synthetic growth hormones or antibiotics, breeding using natural methods, stress free weaning that allows for the ethological needs of mothers and young, access at all times to unfiltered sunlight and not using electric prodders as a routine management method.

Australian Organic represents both organic and biodynamic (a specific form of organic production) farmers, and hence the broader term «biological farmers» was chosen as the group's name to promote a simple message that such farmers were using natural methods, not synthetic or unnatural methods, to produce their foods for consumers.

Conventional farming methods that use toxic, synthetic chemical fertilizers, insecticides and pesticides kill microbes in the soil.

This pure essential oil is certified 100 % organic and is grown using a method and in an environment that has been confirmed to be free of pesticides, synthetic fertilizers and herbicidal residues for a period of three consecutive years (and maintains all appropriate certifications which are available upon request).

It is still one of the best method for disinfecting (This method only applies to flats and prefolds without any synthetic material or sewn to other fabric that don't take high heat very well.)

These birth control methods use synthetic hormones to suppress ovulation, thin the uterine lining so the egg can't implant there, and thicken cervical mucus to block sperm from reaching the egg.

Castor oil is a common but not - recommended DIY method of inducing labor, one that isn't safe to do on your own, but that midwives sometimes use to avoid synthetic measures.

Organic latex mattress pads are encased in organic wool or organic cotton - make sure that the latex in the pad was processed via the Dunlop or the Talalay method and contains no synthetic components.

School secretary Ed Balls stated that the government was promoting the use of the synthetic phonics method and accused the Conservatives of adopting old proposals by calling for external tests.

He also called for a return to previous teaching methods such as synthetic phonics as a means to improve literacy.

The review by former Ofsted director of inspections Jim Rose calls for the synthetic phonics method to be introduced systematically and directly to all children by the age of five.

Additional methods have been developed for women — such as implants, patches, vaginal rings and injectables — but most do basically the same thing as the pill: use synthetic versions of sex steroid hormones to suppress ovulation.

Researchers from North Carolina State University have developed a method for creating «nano - volcanoes» by shining various colors of light through a nanoscale «crystal ball» made of a synthetic polymer.

A small tech company called Chromologic received $ 200,000 from DARPA to study methods for shuttling large strands of synthetic DNA into cells, although this project was not explicitly related to GP - write.

Scientists had to master a new method of growing synthetic crystals to outfit NIF.

Recently Berkeley Lab scientists used this method to calculate the absorption spectrum and confirm what several experimental results have been hinting — that the element berkelium breaks form with its heavy element peers by taking on an extra positive charge when bound to a synthetic organic molecule.

Scientists have been working successfully on different techniques to identify the synthetic drugs, but the methods aren't portable.

The synthetic make - up of Starbons, which contains pores, results in the absorption of up to 65 percent more CO2 than other methods.

The paper's authors assert that, in any scenario, a dialogue on how to use and restrict synthetic biology methods and products must be initiated for the benefit of the world's societies and decision makers.

«A mirror - image ribosome would provide a dramatically easier and more cost - effective method to produce usable quantities of diverse mirror - image proteins, and would be the heart of a fully synthetic mirror - image cell,» says Kay.

Work by Yeh's group and international collaborators later revealed that graphene made using the new technique is of higher quality than graphene made using conventional methods: It is stronger because it contains fewer defects that could weaken its mechanical strength, and it has the highest electrical mobility yet measured for synthetic graphene.

«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.

In fact, had scientists not created synthetic, mostly natural - gas - based fertilizer decades ago to improve nature's method of «fixing» nitrogen — a process of breaking nitrogen molecules apart to make them available to plants — neither you nor I, nor most of the 7 billion people crowding the planet, would be here today.

This study developed synthetic biology methods to build some of the fundamental mechanisms behind stripe formation.