Blood Plasma


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Plasma, Blood

 

the fluid portion of the blood. Plasma contains the formed elements of the blood—erythrocytes, leukocytes, and thrombocytes. It is a colloidal solution of inorganic compounds and such organic compounds as proteins; it also contains more than 20 vitamins and 20 trace elements, including iron, phosphorus, calcium, zinc, and cobalt. Plasma analysis is of great use in diagnosing various diseases. For example, the diagnostician looks for abnormal proteins, such as the C-reactive protein in rheumatism. Various diseases can be detected by an increase in the content of normal blood constituents; for example, hyperglycemia, which is the abnormally high content of sugar in the plasma, is symptomatic of diabetes mellitus. Increase in the titers of certain antibodies can also serve as a diagnostic clue in certain diseases. The medicinal substances albumin, dried blood plasma, fibrinogen, and gamma globulin are prepared from blood plasma.

Figure 1. Schematic representation of plasma types: (a) a gaseous plasma, (b) an electron plasma in a metal, (c) an electron-hole plasma in a semiconductor. The shaded circles are neutral atoms, the small solid circles represent mobile electrons, the large white circles with plus signs represent ions, and the small white circles represent conduction holes.

REFERENCE

Tumanov, A.K. Syvorotochnye sistemy krovi. Moscow, 1968.
References in periodicals archive ?
North America blood plasma market will expand with a CAGR of 6.00% in the estimated years from 2019-2027
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The company collects high quality human blood plasma, the vital raw material that allows Kedrion Biopharma to produce and distribute plasma-derived therapeutic products for use in treating and/or preventing serious diseases and conditions such as hemophilia, primary immune system deficiencies and Rh sensitization which can lead to hemolytic disease of the fetus and newborn.
Besides membrane vesicles, blood plasma contains cellfree ribonucleoproteins (RNPs) such as the microRNA/ AGO2 complexes [14, 15].
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Blood plasma was obtained by the centrifugation of blood at 3000 xg, followed by decantation of the liquid above the cell sediment.
RIYADH: The first-ever blood plasma plant, which is to be set up in the Kingdom, will fulfill 30 percent of the Kingdom's requirements for blood products, a senior health official said here on Sunday.
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