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Define about the Photometry - colorimetry?
Photometry is the measurement of the luminous intensity light or the amount of luminous light falling on a surface from such a source. The term photometric measurement was defined originally as the process used to measure light intensity independent of wavelength. Modern instruments, however, isolate a narrow wavelength range of the spectrum for measurements.
The instruments that use filters for this purpose are referred to as filter photometers, whereas, those that use prisms or gratings are called spectrophotometers. A simple spectrophotometer called a colorimeter is used to measure the amount of light a sample absorbs. The primary analytical utility of filter photometry or spectrophotometry is the isolation and use of discrete portions of the spectrum for purposes of measurement.
EVOLUTION OF THE CELL All the living organisms are made up of cells. A living cell may be defined as a compartment enclosed by a membrane that consists of several chemical cons
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Dinitrophenol, DNP, was prescribed in low doses in the 1940's to help obese patients lose weight. It's use for this purpose was discontinued when several users died. DNP makes the
West Nile virus infection West Nile virus (WNV) is a type strain of flaviviruses and is related to Japanese encephalitis group. The virus was first isolated from a woman in the
Define salient modifiable factors which affect birth weight? The following are the salient modifiable factors which affect birth weight and gestation adversely: Iron deficiency
migration
In chronic myelogenous leukemia, white blood cells proliferate ceaselessly. In affected white blood cells, the BCR-ABL oncogene, the result of a gene fusion, transmits a constitu
Define regulation of L-PK enzymes by starvation & refeeding? L-PK catalyzes the conversion of phosphoenolpyruvate to pyruvate and plays an important role in directing pyruvate
Anatomy: Anatomy (from Greek words anatomia which means separate and temnein which means to cut open) is a branch of biology and which deals with the study of internal organizatio
what is copulation
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