单词	spectrophotometer
释义	spectrophotometer /ˌspɛktrə(ʊ)fəʊˈtɒmɪtə / noun An apparatus for measuring the intensity of light in a part of the spectrum, especially as transmitted or emitted by particular substances.A detector ideal for comparison with spectrophotometers should exhibit intensity readings dependent on the cosine of the incident angle.... The absorbance of the product dye at 540 nm was measured using a flow-through spectrophotometer. These subcommittees will be scrutinizing various color management technologies, such as spectrophotometers and monitors, and exploring different color output profiling standards. Derivatives spectrophotometric /ˌspɛktrə(ʊ)fəʊtəˈmɛtrɪk/ adjective ... Superoxide anion was estimated by spectrophotometric measurement of the reduction of nitro blue tetrazolium. Fluorimetric and spectrophotometric analysis in pure phosphate buffered saline and solvent mixtures has been used throughout the study. The supernatant was taken for spectrophotometric measurements. spectrophotometrically adverb ... After boiling, the mixtures were cooled and the phenolic concentrations were measured spectrophotometrically at the wavelength of 700 nm using catechin as the standard. RNA concentration was determined spectrophotometrically and verified by ethidium bromide staining of agarose gel. Each dilution was kept for amplification and the amount of DNA present in each dilution was estimated spectrophotometrically. spectrophotometry noun ... Nitric oxide and nitrogen dioxide were chemically assayed as nitrite from sorbent tubes by using spectrophotometry. The samples were dissolved in hot hydrofluoric acid and analyzed for lead by atomic absorption spectrophotometry. The hair samples were washed, weighed, cold digested, and analyzed with atomic absorption spectrophotometry.
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