@G02600@ in which the @ST07538@ is water.
  1. The @NT07562@ component of a hydrogel is usually a @P04742@.
  2. A hydrogel in which the @NT07562@ component is a @CT07563@ may be referred to as an @AT07517@.
PAC, 2007, 79, 1801. (Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)) on page 1807 [Terms] [Paper]