Nanosilicalites as Support for ß-Glucosidases Covalent Immobilization.

Many different materials have been tested for ß-glucosidases immobilization. Such materials, however, often show a poor activity related to a low surface area of the support or even enzyme hindrance caused by entrapment inside porous matrix. In this context, the use of nanosized zeolites as enzymes support is quite new and may be an interesting alternative. The present work evaluates the immobilization of ß-glucosidases in nanosized silicalites by covalent coupling. The new biocatalyst was able to convert 100% of cellobiose into glucose in 18 h at 50 °C and pH 5, retaining 85% of its activity after five cycles of reuse. A detailed investigation of the published literature indicates that, apparently, this is the first work concerning the immobilization of ß-glucosidases on nanosized zeolites ever reported.

Circumstances surrounding deaths from the perspective of bereaved Honduran families.

PURPOSE: This qualitative study examined how bereaved individuals from Honduras responded to deaths of loved ones, particularly through exploring circumstances surrounding deaths and various coping strategies. METHODS: With the help of a translator, bereaved family members in Honduras were interviewed using a semi-structured format. The interactions were audio-recorded and later translated and transcribed. RESULTS: Some 60% of individuals spent time with other family members during their loved one's end of life and 22.5% of grieving individuals took solace in spirituality or religious practices and connecting with God. Some 40% wanted to speak with others through support groups. When individuals spoke about remembering the deceased, both comforting and discomforting effects were expressed. CONCLUSIONS: Further research is needed to learn more about coping strategies in various cultures and support mechanisms that health professionals can use or suggest when working with bereaved individuals.