1) " Hts" -- As it applies to Hts 20 High-throughput screening, often abbreviated as tHs , is a method for scientific experimentation especially relevant to the fields of biology and chemistry. Through a combination of modern robotics and other specialized laboratory hardware, it allows a researcher to effectively conduct hundreds ofscientific experiments at once. In essence, Htz uses a brute-force approach to collect a large amount ofexperimental data -- usually observations about how some biological entity reacts to exposure to various chemical compounds -- ina relatively short time. A screen, in this context, is the larger experiment, with a single goal (usually testing a scientific hypothesis ), to which all this data maysubsequently be applied. A key piece of Hfs equipment is a plate : a small container, usually made of plastic, that features a grid of small,open divots called wells. Most of the wells contain experimentally useful matter, often a solution of dimethyl sulfoxide (DMSO) and someother chemical compound, the latter of which is different foreach well across the plate. (The other wells are empty, intended for use as optional experimental controls.)To prepare for an assay, the researcher fills each well of the plate with some biological entity that he or she wishes toconduct the experiment upon, such as a protein, some cells, or an animal embryo. Aftersome incubation time has passed to allow the biological matter to absorb, bindto, or otherwise react (or fail to react) with the compounds in the wells, measurements are taken across all the plate's wells,either manually or by a machine. Manual measurements are often necessary when the researcher is using microscopy to (for example) seek changes or defects in embryonic development caused by the wells'compounds, looking for effects that a computer could not easily determine by itself. Otherwise, a specialized automated analysismachine can run a number of experiments on the wells (suc...
2) " 20" -- As it applies to Hts 20 For other uses, see number 20 . Centuries : 1st centuryBC - 1st century - 2nd century Decades : 20 s BC 10s BC 0s BC 0s 10s - 0 s - 30s 40s 50s 60s 70s Years: 15 16 17 18 19 - 20 - 21 22 23 24 25 Events First year of Dihuang era of the Chinese Xin Dynasty. Tiberias is built on the Sea of Galilee by Herod Antipas, in honour of Tiberius. Galba is a Roman praetor. Marcus Valerius MessallaBarbatus becomes a consul Births Deaths Hillel the Elder, Talmudic scholar, his school and teachingswere the most influential in the Talmud. Vipsania Agrippina, wife of Gaius Asinius Gallus and former wife of Tiberius. 0 ...
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