Abstract: The invention provides novel hemostasis, tissue barriers, wound healing and cosmetology materials based on biocompatible carboxymethylcellulose, and methods for their preparation and use thereof.

Abstract: The invention provides novel hemostasis, tissue barriers, wound healing and cosmetology materials based on biocompatible carboxymethylcellulose, and methods for their preparation and use thereof.

Abstract: Bioabsorbable, water-soluble hemostatic cellulose based gauze matrix structures are described, including one or more species of chitosan, etherized cellulose, nonionic surfactant, water-soluble polysaccharide hydrocolloid and/or gum. Approximately 85% to 95% deacetylated decrystallized chitosan, present in an amount from about 2% to about 15% by weight, is found to be particularly advantageous. Favorable properties are found related to rapid stoppage of bleeding and bioabsorbability, among other properties.

Abstract: A system and method of segmented language learning is disclosed. The system filtered background noise of the audio information therein and obtained with audio information pausing position. The audio information will be segmented into at least one piece of segmented audio language learning data according to the audio information pausing position, and then generates an index. The system then plays the segmented audio language learning data according to the index for language learning.