[임상화학]【A+】산란계

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산란계 (NEPHELOMETRY)
산란계 (NEPHELOMETRY)
Nephelometry is a technique used in immunology to determine levels of IgM, IgG, and IgA.
It is performed by measuring the reduction in the intensity of the incident light after it passes through the sample being measured. In nephelometry the measurement is made by measuring the light passed through a sample at an angle.
산란계 (NEPHELOMETRY)
This technique is widely used in clinical laboratories because it is relatively easily automated. It is based on the principle that a dilute suspension of small particles will scatter light (usually a laser) passed through it rather than simply absorbing it. The amount of scatter is determined by collecting the light at an angle (usually about 70 or 75 degrees).
Antibody and the antigen are mixed in concentrations such that only small aggregates are formed that do not quickly settle to the bottom. The amount of light scatter is measured and compared to the amount of scatter from known mixtures. The amount of

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