## Abstract Young dogs were perfused with buffered aldehydes at fluid pressures approaching normal physiological values. Surface tissue from the temporal horns of the lateral ventricles were prepared for scanning electron microscopy, using postosmication, critical point drying and goldβpalladium co
Architecture of chitin gel as examined by scanning electron microscopy
β Scribed by Shigehiro Hirano; Ryuji Yamaguchi; Noriaki Matsuda
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1977
- Tongue
- English
- Weight
- 280 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0006-3525
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β¦ Synopsis
Abstract
An architecture of the solid phase of chitin gel was examined by scanning electron microscopy. The ultrastructure of the xerogel was microporous with parallel channels surrounded with membranous walls. The pore shapes at cross section were polyhedral with three walls at the junctions. The pore was 30β50 ΞΌm in diameter and 80β300 ΞΌm in length, and the thickness of the walls was less than 1.5 ΞΌm. The gel is considered to be a polyphasic gel, consisting of small droplets of water held up in these pores.
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The molecular weight and its distribution of the resulting polymers were investigated during the crystalline-state photopolymerization of diethyl cis,cis-muconate (EMU). EMU crystals were prepared by several methods, recrystallization, milling, freeze drying, and precipitation, to obtain the crystal