In the past, biologically-active peptides—small proteins like neurotoxins and hormones that act on cell receptors to alter physiology—were purified from native sources like venoms and then panels of variants were produced ...
Biochemistry
Mar 5, 2020
0
83
Although knots can be a nuisance, they're also very useful when it comes to tying up your laces or when you go sailing. In maths, there are no less than 6 billion different potential knots, but what about knots in chemistry? ...
Materials Science
Feb 27, 2020
0
6
A team of international scientists investigating how to control the spin of atom-like impurities in 2-D materials have observed the dependence of the atom's energy on an external magnetic field for the first time.
Condensed Matter
Feb 24, 2020
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142
Proteins can be responsible for the fact that the active ingredients of drugs are simply released from the target cells. You can watch them do this now.
Biotechnology
Feb 10, 2020
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7
For hundreds of years, practitioners of traditional Chinese medicine have used an herb called Stemona sessilifolia as a remedy for parasitic infections, such as those caused by pinworms and lice. Now, researchers reporting ...
Biochemistry
Jan 29, 2020
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4
Drug-coated iron nanowires that can be guided to the site of a tumor using an external magnetic field before activating a three-step cancer-killing mechanism could provide an effective option for cancer therapy.
Bio & Medicine
Jan 28, 2020
0
10
A team of physicists has discovered an electrical detection method for terahertz electromagnetic waves, which are extremely difficult to detect. The discovery could help miniaturize the detection equipment on microchips and ...
General Physics
Jan 27, 2020
1
5277
In the same way that a single piece of a puzzle fits into the whole, the molecule hypoxanthine binds to a ribonucleic acid (RNA) chain, which then changes its three-dimensional shape within a second and in so doing triggers ...
Biochemistry
Jan 27, 2020
1
4
Experimental data and computer simulations have yielded an innovative technique to characterize the configurations of an RNA molecule. The work, published in Nucleic Acids Research, opens new roads to studying dynamic molecular ...
Molecular & Computational biology
Jan 23, 2020
0
7
Many drugs are derived from natural products. But before natural products can be exploited, chemists must first determine their structure and stereochemistry. This can be a major challenge, particularly when the molecules ...
Analytical Chemistry
Jan 22, 2020
0
86
