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Nicholas A. Peppas
Researcher at University of Texas at Austin
Publications - 840
Citations - 101193
Nicholas A. Peppas is an academic researcher from University of Texas at Austin. The author has contributed to research in topics: Self-healing hydrogels & Polymer. The author has an hindex of 141, co-authored 825 publications receiving 90533 citations. Previous affiliations of Nicholas A. Peppas include National Technical University & University of Texas System.
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Book ChapterDOI
Preparation Methods and Structure of Hydrogels
TL;DR: In this paper, the authors discuss various radiative methods of preparation of hydrogels and point out the advantages of the techniques, which include lack of impurities such as unreacted monomers, cross-linking agents, and emulsifiers.
Journal ArticleDOI
Water, solute and protein diffusion in physiologically responsive hydrogels of poly(methacrylic acid-g-ethylene glycol)
TL;DR: Swelling under oscillatory pH conditions revealed the dynamic sensitivity of P(MAA-g-EG) membranes as well as the diffusional mechanisms causing network expansion and collapse, and permeability was responsive to changing pH conditions, and separation of solutes was achieved.
Journal ArticleDOI
Preparation and characterization of pH-sensitive, interpenetrating networks of poly(vinyl alcohol) and poly(acrylic acid)
TL;DR: In this paper, the average molecular weight between cross-links, Mc, and mesh size of polyvinyl alcohol and poly(acrylic acid) networks was determined and equilibrium swelling studies were conducted.
Journal ArticleDOI
Surface modifications and molecular imprinting of polymers in medical and pharmaceutical applications.
TL;DR: Tethering of long PEG chains on PAA hydrogels and their copolymers can be achieved by grafting reactions involving thionyl chloride, followed by PEG grafting, and the ensuing materials exhibit mucoadhesive properties due to enhanced anchoring of the chains with the mucosa.
Journal ArticleDOI
Development of Biodegradable and Injectable Latices for Controlled Release of Potent Drugs
TL;DR: A new dosage form designed to provide parenteral drug delivery over a prolonged period of time following a standard injection using testosterone as the model drug consists of a biodegradable, biocompatible polymer in which the drug is dispersed on a molecular level.