Category: S
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Spectrum emission
In spectroscopy and fluorometry, the range of wavelengths emitted by a substance.
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Spectrum bias
Variation in the performance of a diagnostic test due to its application to people of differing ages, genders, nationalities, or specific disease manifestations. A test’s sensitivity and specificity may increase or decrease, depending on the population to which it is applied.
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Spectroscopy
The branch of physical science that treats the phenomena observed with the spectroscope, or those principles on which the action is based.
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Spectropolarimeter
A device for measuring the rotation of light rays of a specific wavelength by passage through a translucent solid.
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Spectrophotometry
Ail estimation of coloring matter in a solution by use of the spectroscope or spectrophotometer.
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Spectrophotometric analysis
Determination of materials in a compound by measuring the amount of light they absorb in the infrared, visible, or ultraviolet region of the spectrum.
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Spectrometry
The process of determining the wavelength of light rays by use of a spectrometer. The discipline involving the utilization of a spectrometer.
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Spectrofluorometer
An instrument that measures the degree and frequencies of fluorescence of compounds in chemical reactions or in solution.
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Spectrocolorimeter
A device for detecting color blindness by isolating a single spectral color.
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Spectrin
An intracellular, calcium-dependent contractile protein that helps maintain the structure and shape of cells, especially red blood cells.