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61. The degree of deacetylation of chitosan was determined by hydrobromide method and the values were compared with the values determined by acid-base titration.
62. To study the effect of chitosan on delayed outward potassium current(IK) in single ventricular myocytes of guinea pig and investigate its antiarrhythmic mechanism from ion channel view.
63. Objective : To develop headspace gas chromatography for the determination of residual solvent in chitosan ester.
64. This article reviewed the therapeutic use of chitosan as artificial lacrima, medical viscoelastic material, carrier of drug delivery systems and so on in ophthalmic disease.
65. Sustained-release performance of N-phthaloyl chitosan is tested by using coating tablet as example.
66. Results: Chitosan membrane showed no toxicity and did not cause hemolysis, pyrogen or hyperergia.
67. Chitosan is one of the most abundant natural polymers, This biopolymer has useful functional groups such as hydroxyl and amine, so it can interact with metal ions.
68. The trypsin was covalently linked with chemical modified granule chitosan and was used to isolate and purify aprotininum from the extract of cattle lungs by affinity chromatography.
69. In paper making, chitosan can be used as fortifier, sizing agent, retention and filtration aid, surface modifier and flocculation agent for paper-making effluent.
70. When the fibers were treated with acetic anhydride, it was possible to acetylate the chitosan fibers and converted them into chitin fibers.
71. Alkalimetry is standard method of determining degree of deacetylation of chitosan generally applied in aquaculture and other industry.
72. The results showed that the silver containing chitosan fibers was better than chitosan and viscose rayon fibers in antimicrobial properties.
73. N-phthaloyl chitosan is prepared into suspension solution coated on plain tablets of propranolol hydrochloride.
74. B. S. Dissertation:Grafting copolymerization of methyl acrylate onto chitosan and the study of the adsorptivity (Directed by Professor Liu Shufen).
75. Furthermore, N-Carboxyethyl chitosan(CEC)[sentencedict.com], with various isoelectric points was synthesized by reaction of acrylic acid with chitosan.
76. A rapid method for determining the degree of deacetylation of chitosan using near-infrared spectroscopy is proposed, which calibrating by CP/MAS NMR.
77. According to free radical theory, the CAM was synthesized with acrylamide and chitosan, through oxidation-reduction initiator systems in acetic acid aqueous solution.
78. A waterborne multicolor paint is prepared by chitosan in acetic acid solution, mixing with short fiber and crosslinked by glutaric dialdehyde.
79. Object To study the degree of deacetylation of chitosan and its residual amount left over in the clarified products when chitosan was used as a clarificant .
80. Butyryl chitosan can form cholesteric liquid crystalline phase by dissolving in more than ten solvents.
81. Oligo glucosamine was prepared by oxidative degradation of chitosan with hydroperoxide in the neutral condition.
82. Objective:With the local lobster shell as the raw material, we inquire into the abstraction and preparation of chitin and chitosan to develop a new raw material resources for chitosan.
83. Conclusion: This method can be used to establish the quality control of chitosan hemostatic sponge.
84. N-phthaloyl chitosan is able to form cholesteric liquid crystalline phase in concentrated solutions of some organic solvents, including DMF, DMSO(sentencedict.com), DMAc and pyridine.
85. We used phase transfer catalyst to improve the deacetylation of Chitosan, and the hydrogen peroxide degradation to reduce the molecular of Chitosan.
86. Chitosan is the only alkaline polysaccharose in the natural world, which has good bioadhension, biodegradability and biocompatibility.
87. Objective To investigate the effect of ectogenesis chitosan and hyaluronic acid on the joint function of osteoarthritis patients.
88. A novel porous chitosan(PEI-CTS), which has higher concentration of amino group, was synthesized by polyaminating with poly(ethylene imine)on cross-linking chitosan.
89. The amphiphilic N, N - diacylated chitosan could be gained by selective reduction of fully acylated chitosan.
90. The paper proposed chitosan is chosen as the new carrying agent, and the experiment shows chitosan can be investigated as the new carrying agent for propene separation further.
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