Sentences with phrase «pure sample»

Attempts to understand and control new synthetic recreational drugs are being hindered by analysis laboratories» inability to obtain pure samples of the compounds, experts say.

Enable follow - up structural studies by obtaining pure samples after isolating primary proteins.

Steger et al. (p. 1280) demonstrate that the nuclear spins of 31P impurities in an almost isotopically pure sample of 28Si can have a coherence time of as long as 192 seconds at a temperature of ∼ 1.7 K.

But electron spins tend to have quite brief usable lifetimes; even in optimal conditions — in pure samples held just a hair above absolute zero — the information encoded on an electron spin is lost on timescales of seconds, if that.

Rarely will pure samples with good amounts of DNA come into a forensics laboratory.

Before starting the crystallization it is necessary to produce a very pure sample of a protein that has the appropriate concentration level.

Isolated target proteins and obtained pure samples to enable further structural studies, facilitate antibody generation and enable the creation of binding assays.

For example, what is meant by a «pure sample» is quite different when you're looking at a trillion receptors on an instrument, as our collaborators do, compared to when you're looking at a single receptor, as we do.

It's not even clear that Morosan and former graduate student Eteri Svanidze, the study's lead co-author, were the first to make a pure sample of the ultrahard «beta» form of the compound.

Protein crystallography involves separating out a pure sample of the protein, coaxing the protein to crystallize, then shooting X-rays at the crystal and mapping where the light bounces off.

These techniques showed that it was a pure sample of one of the chiral forms of papuamine.

His Russian scientific team had finally accomplished its elusive goal: retrieving the purest sample yet from Lake Vostok, an Antarctic body of water that has likely been locked beneath thousands of feet of ice for up to 15 million years.

With the availability of pure samples, the team was able to fully characterize the electronic, optical, and thermal transport properties of Si - III for the first time.

Here, using GC - pure samples and a different experimental technique, we fully confirm Keller and Vosshall's finding that humans, both naive and trained subjects, are unable to discriminate between acetophenone isotopomers.

As a matter of fact it is very tough, especially for ClOOCl because you can not prepare a pure sample, there will always be Cl2, O2, and maybe other stuff hanging around.