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  2. Serum-separating tube - Wikipedia

    en.wikipedia.org/wiki/Serum-separating_tube

    The silica particles are desiccants, which adsorb and hold water vapor. [3] This is used in the tubes so the blood adheres to the surface of the tiny silica particles and begins to clot. After the blood sample is centrifuged, the clear serum should be removed for testing. [4] [5]

  3. Blood culture - Wikipedia

    en.wikipedia.org/wiki/Blood_culture

    Blood is normally sterile. [1] The presence of bacteria in the blood is termed bacteremia, and the presence of fungi is called fungemia. [2] Minor damage to the skin [3] or mucous membranes, which can occur in situations like toothbrushing or defecation, [4] [5] can introduce bacteria into the bloodstream, but this bacteremia is normally transient and is rarely detected in cultures because the ...

  4. Vacutainer - Wikipedia

    en.wikipedia.org/wiki/Vacutainer

    A range of Vacutainer tubes containing blood. A vacutainer blood collection tube is a sterile glass or plastic test tube with a colored rubber stopper creating a vacuum seal inside of the tube, facilitating the drawing of a predetermined volume of liquid. Vacutainer tubes may contain additives designed to stabilize and preserve the specimen ...

  5. Moisture meter - Wikipedia

    en.wikipedia.org/wiki/Moisture_meter

    Measuring water leakage in exterior wall with Trotec T660 Moisture Measuring Device, using dielectric measurement method (indicative). Moisture meters are measuring instruments used to measure the percentage of water in a given substance, as physical properties are strongly affected by moisture content and high moisture content for a period of time may progressively degrade a material.

  6. Hygroscopy - Wikipedia

    en.wikipedia.org/wiki/Hygroscopy

    Differences in hygroscopy can be observed in plastic-laminated paperback book covers—often, in a suddenly moist environment, the book cover will curl away from the rest of the book. The unlaminated side of the cover absorbs more moisture than the laminated side and increases in area, causing a stress that curls the cover toward the laminated ...

  7. Plasma osmolality - Wikipedia

    en.wikipedia.org/wiki/Plasma_Osmolality

    Osmolality of blood increases with dehydration and decreases with overhydration. In normal people, increased osmolality in the blood will stimulate secretion of antidiuretic hormone (ADH). This will result in increased water reabsorption, more concentrated urine, and less concentrated blood plasma. A low serum osmolality will suppress the ...

  8. Humidity indicator card - Wikipedia

    en.wikipedia.org/wiki/Humidity_indicator_card

    A humidity indicator card (HIC) is a card on which a moisture-sensitive chemical is impregnated such that it will change color when the indicated relative humidity (RH) is exceeded. This has usually been a blotting paper impregnated with cobalt(II) chloride base; Less toxic alternatives include other chemicals such as cobalt-free chloride base ...

  9. Moisture analysis - Wikipedia

    en.wikipedia.org/wiki/Moisture_analysis

    Moisture dew point is the temperature at which moisture condenses out of a gas. This parameter is inherently related to the moisture content, which defines the amount of water molecules as a fraction of the total. Both can be used as a measure of the amount of moisture in a gas and one can be calculated from the other fairly accurately.

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