As a subject matter expert in chemistry and biology, I can provide a detailed explanation of what a saline solution is.
Saline solution, often referred to simply as saline, is a water-based solution that contains dissolved sodium chloride, or common table salt. The concentration of sodium chloride in saline can vary, but it is typically around 0.9% by weight for medical applications, which is known as physiological saline. This concentration is similar to the salt levels found in the human body, making it isotonic and safe for medical use.
Saline solutions are used for a variety of purposes, including medical treatments, cleaning wounds, and as a fluid for intravenous (IV) therapy. It is also used in laboratory settings for the preparation of cell cultures and as a diluent for various biological samples.
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