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 (əb-zôrp′tē-ŏm′ĭ-trē, -sôrp′-)
A method of chemical analysis in which a sample of a substance is exposed to electromagnetic radiation, and the amount of radiation absorbed is measured to determine the chemical composition or concentration of the substance.
References in periodicals archive ?
com/research/j7s25b/body_composition) has announced the addition of the "Body Composition Analyzers Market by Product (Bioimpedance Analyzers (BIA), Dual-Energy X-ray Absorptiometry (DEXA), Skinfold Calipers, Air Displacement Plethysmography (ADP) and Hydrostatic Weighing) - Global Analysis & Forecast to 2019" report to their offering.
Dual-energy x-ray absorptiometry to screen for osteoporosis is both underused in women who meet the U.
Total body, lumbar and hip BMD were evaluated at baseline, six and 12 months using dual-energy x-ray absorptiometry.
Owing to the increasing fracture risk with aging, screening of the spine and hip by dual energy X-ray absorptiometry (DXA) is advisable.
For the study, researchers measured bone density using three-dimensional computed tomography (CT) called quantitative CT and dual-energy x-ray absorptiometry, also called DXA.
Axial bone densitometers include dual energy X-ray absorptiometry and quantitative computed tomography.
Bone mineral density was assessed by dual energy x-ray absorptiometry before treatment, and at one and two years.
Theirs is the first study to use high-resolution peripheral quantitative CT scanning as well as the usual dual-energy x-ray absorptiometry to examine bone.
Body composition was measured by dual-energy X-ray absorptiometry bi-weekly, resting energy expenditure was measured weekly by ventilated hood, and total energy expenditure by doubly labelled water prior to the overeating and weight stabilisation periods and at weeks 7 - 8.
Bone mass was measured by dual-energy X-ray absorptiometry, and covariables that may have influenced fat and bone mass were taken into account.
In this update of the 2003 and 1998 editions, a pioneer in the field of bone densitometry discusses the evolution, expanding applications, and pros and cons of available risk assessment tools, and provides more guidance in assessing fracture risk beyond dual- energy x-ray absorptiometry (DXA) measurements.
The IAEA is working with the World Health Organisation (WHO) to standardise radiation-based assessments, using nuclear techniques such as stable isotopes and dual energy x-ray absorptiometry (DXA) to measure the body mass and composition of babies aged up to 2 years--the most crucial time to intervene against malnutrition and avoid chronic health problems later in life.