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Saline solution for irrigation. Normal saline (NSS, NS or N/S) is the commonly used phrase for a solution of 0.90% w/v of NaCl, 308 mOsm/L or 9.0 g per liter. Less commonly, this solution is referred to as physiological saline or isotonic saline (because it is approximately isotonic to blood serum, which makes it a physiologically normal solution).
A balanced salt solution (BSS) is a solution made to a physiological pH and isotonic salt concentration. Solutions most commonly include sodium, potassium, calcium, magnesium, and chloride. [1] Balanced salt solutions are used for washing tissues and cells and are usually combined with other agents to treat the tissues and cells.
Phosphate-buffered saline (PBS) is a buffer solution (pH ~ 7.4) commonly used in biological research. It is a water-based salt solution containing disodium hydrogen phosphate, sodium chloride and, in some formulations, potassium chloride and potassium dihydrogen phosphate. The buffer helps to maintain a constant pH.
Saline solution normally contains 0.9% sodium chloride. This article walks you through application instructions based on the intended use.
Tyrode's solution is a solution that is roughly isotonic with interstitial fluid and used in physiological experiments and tissue culture. It resembles lactated Ringer's solution, but contains magnesium, a sugar (usually glucose) as an energy source and uses bicarbonate and phosphate as a buffer instead of lactate.
Ringer's solution technically refers only to the saline component, without lactate. Some countries instead use a Ringer's acetate solution or Ringer-acetate, which has similar properties. This was thought to be helpful when analyzing blood-lactate for signs of anaerobic metabolism (e.g. present with septic shock, hypovolemic shock).
Instead, try gently blowing one nostril at a time and using a saline spray or neti pot to reduce uncomfortable mucus. And, if your cold lasts longer than 10 days or is accompanied by a high fever ...
Ringer's solution is named after Sydney Ringer, who in 1882–1885 determined that a solution perfusing a frog's heart must contain sodium, potassium and calcium salts in a definite proportion if the heart is to be kept beating for long.