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A nephelometer [1] or aerosol photometer [2] is an instrument for measuring the concentration of suspended particulates in a liquid or gas colloid. A nephelometer measures suspended particulates by employing a light beam (source beam) and a light detector set to one side (often 90°) of the source beam.
The aethalometer has been developed into rack-mounted instruments for use in stationary air quality monitoring installations; transportable instruments which are often used at off-grid locations, operating from batteries or photovoltaic panels in order to make measurements at remote locations; and hand-held portable versions for measurements of ...
Nephelometry is a technique used in immunology to determine the levels of several blood plasma proteins. For example, the total levels of antibodies isotypes or classes: Immunoglobulin M, Immunoglobulin G, and Immunoglobulin A. [1]
Venus Life Finder is a planned Venus space probe designed to detect signs of life in the Venusian atmosphere. [4] Slated to be the first private mission to another planet, [6] the spacecraft is being developed by Rocket Lab in collaboration with a team from the Massachusetts Institute of Technology. [7]
Baby monitors are a staple on every new parent's registry, but it may be that not all monitors are created equal. This hi-tech baby monitor has 3,000 perfect reviews -- and may literally save ...
The propensity of particles to scatter a light beam focused on them is now considered a more meaningful measure of turbidity in water. Turbidity measured this way uses an instrument called a nephelometer with the detector set up to the side of the light beam. More light reaches the detector if there are many small particles scattering the ...
Each Holter system has hardware (called monitor or recorder) for recording the signal, and software for review and analysis of the record. There may be a "patient button" on the front that the patient can press at specific instants such as feeling/being sick, going to bed, taking pills, marking an event of symptoms which is then documented in the symptoms diary, etc.; this records a mark that ...
the nephelometer: an instrument for estimating the number of bacteria in suspensions used for calculating the opsonic index and for vaccines. joseph mcfarland, m.d. jama. 1907; xlix(14):1176-1178.