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  • Book
    edited by Shakeel Ahmed and Saiqa Ikram.
    Summary: This book delves deeply in to the preparation, characterization and multiple applications of chitin and chitosan. The 17 chapters written by leading experts is an excellent reference source and state-of-the-art review for researchers and scientists using chitosan or biopolymers in their respective areas. This book is divided into following sections:- Production and derivatives of chitosan- Chitosan in the textile and food industries- Chitosan in biomedical applications- Chitosan in agriculture and water treatment The book is practical as readers will be able to see descriptions of chitosan production methods as well as techniques that can be used to estimate and modify their physical and chemical properties. It provides a full description not only of the traditional and recent developments in the applications of chitosan in the fields of biotechnology, environmental studies, food, medicine, water treatments, drug delivery, but it includes all of the therapeutically usages as well.
    Digital Access Wiley 2017
  • Article
    Brännström M, Nordenvall KJ.
    J Dent Res. 1977 Aug;56(8):917-23.
    Buccal cavities were prepared in vivo on 22 contralateral tooth pairs. The cavities and the surrounding enamel were either etched or cleaned with a surface-active solution (the control). The cavities were filled with Concise Enamel Bond and composite or left unrestored. The teeth were extracted immediately after treatment. Treated surfaces or the inner surface of the restorations were studied in the scanning electron microscope (SEM). An "in-pair" evaluation of the results of 320 photographs was done. The etched axial wall had a smooth surface with widened and patent dentinal tubule apertures. The corresponding inner resin surfaces were irregular, sporadically showing tags of varying length corresponding to the dentinal tubules and alternating with pits of varying size. Etching for 15 seconds or two minutes gave no apparent difference in appearance of enamel, dentin, and inner surface of the restoration.
    Digital Access Access Options