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Bioelectrical impedance analysis (BIA) is a method for estimating body composition, in particular body fat and muscle mass, where a weak electric current flows through the body, and the voltage is measured in order to calculate impedance (resistance and reactance) of the body. Most body water is stored in muscle.
A wide variety of body composition measurement methods exist. The gold standard measurement technique for the 4-compartment model consists of a weight measurement, body density measurement using hydrostatic weighing or air displacement plethysmography, total body water calculation using isotope dilution analysis, and mineral content measurement by dual-energy X-ray absorptiometry (DEXA). [1]
Stayhealthy, Inc. is a privately held corporation that creates web-enabled healthcare monitoring products. It was founded in the dot-com era by CEO John Collins, and produces devices that monitor and measure such aspects of one's health like blood pressure, heart rate, body weight, body mass index, body composition, body fat (adipose tissue), visual perception, and calories burned.
A U.S. judge on Friday said Southwest Airlines must face a lawsuit by a prominent affirmative action opponent claiming a now-defunct program that awarded free flights to Hispanic college students ...
As the deadline for a potential TikTok ban in the U.S. approaches, billionaire and former Los Angeles Dodgers owner Frank McCourt's Project Liberty confirmed making a formal offer to Bytedance ...
Hertz is asking some people renting Teslas and other EVs if they want to buy their vehicles. The rental company said last year that it would sell 30,000 EVs amid a slowdown in demand.
The first instrumental analysis was flame emissive spectrometry developed by Robert Bunsen and Gustav Kirchhoff who discovered rubidium (Rb) and caesium (Cs) in 1860. [4] Most of the major developments in analytical chemistry took place after 1900. During this period, instrumental analysis became progressively dominant in the field.
It is the first improved analyzer that is able to detect more than one component of a sample gas at one time. Earlier analyzers were held back by the fact that a particular gas also has lower absorption bands in the infrared. The invention of 1975 has as many detectors as the number of gases to be measured.