chiral molecules

chiral molecules

[′kī·rəl ′mäl·ə‚kyülz]
(chemistry)
Molecules which are not superposable with their mirror images.
References in periodicals archive ?
5 fs later this year); full polarization control has been introduced, so we can see chiral molecules that are important for many pharmaceutical drugs; and a wide array of dual-pulse options have been developed that provide the ability to drive a system and monitor its response on timescales that range from femtoseconds to microseconds.
Key objectives of this research program are the development of new strong activators for an efficient synthesis of chiral molecules and the training of future leading experts in the field of catalysis, a domain in which Europe must remain competitive in the 21st century as the demand for new chiral molecules and materials is increasing in domains ranging from health to energy.
Chiral molecules, which come in two mirror-image versions, show up in many of life's building blocks, such as amino acids and sugars.
These chiral molecules are essential to biology and life as we understand them, and have been found in meteorites on Earth, as well as in comets in the solar system.
The topics include crystal structure and prediction, coherence in energy transfer and photosynthesis, ultrafast dynamics of electrons in ammonia, the statistical mechanics of dynamic pathways to self-assembly, spintronics and chirality: spin selectivity in electron transport through chiral molecules, the advanced physical chemistry of carbon nanotubes, site-specific infrared probes of proteins, the time-domain ab initio modeling of photo-induced dynamics at nanoscale interfaces, the experimental implementation of two-dimensional Fourier transform electronic spectroscopy, and vibrational energy transport in molecules studied by relaxation-assisted two-dimensional infrared spectroscopy.
Biopolymers responsible for vital activity, such as DNA, proteins and polysaccharides, consist of small chiral molecules, sugars and amino acids, and take the left- or right-handed helical structure originating from homochirality of the small molecules.
Amino alcohols, amines, amino acids and carbohydrates are basic building blocks of naturally occurring compounds; therefore, the study of enantiomeric recognition of these chiral molecules is of particular importance [8].
Bioreductions are the main topic because of their widespread application in organic synthesis and their versatility in creating stereogenic centers in chiral molecules.
The scientists knew that left- and right-handed chiral molecules would interact differently with "circularly polarized" light-where the direction of the electrical field rotates around the axis of the beam.
To keep pace with this growth, researchers in drug discovery are seeking faster methods to enable higher throughput enantioselective analyses, enantiomeric excess determination and impurity profiling of chiral molecules.
Barry Sharpless for their discoveries of how certain chiral molecules are used to speed up and control important chemical and biological reactions.
Lens will refract this wave and chiral molecules will split it into two waves, LCP and RCP, each making an angle ai and a2 with normal to the hyperbolic surface.