I am not talking about the nano-composite hydrogels for drug delivery, but hydrogel reduced at the nanoscale but I cant fine any accurate definition in the litterature...
Thank you!
As per IUPAC, a nanomaterial must have at least one phase less than 100 nm in size. In nanocomposites, at least one component falls in this category. In your case, if cellular structures (of dispersed phase) are less than 100 nm, it can be called nano-hydrogel.
you can define nano hydrogel as same as hydrogels but the thing you need to mention as difference is the size of the material it is made of.
Dr. Tiwari is correct about how the term should be used. However the term is very loosely used in the literature and research proposals. I've seen hydrogel particles in 1-100 micron range called 'nanogels'. 'Nanogel' sounds more exciting than 'microgel' I guess.
Thank all of you for your answers. Mr Gehrke I totally agree with your point of view about the definition used in the literature. So as I work on a collagen made hydrogel, if the fibers are less than 100 nm, I can call it a nano-hydrogel right?
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