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博文

目前显示的是标签为“Formalin”的博文

A Comparative Study of Present Status of Marketing of Formalin Treated Fishes in Six Districts of Bangladesh

Read  full  paper  at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53168#.VLcvoMnQrzE Author(s) Rafiad Islam * , Shahin Mahmud , Abdul Aziz , Animesh Sarker , Marufa Nasreen Affiliation(s) Department of Biotechnology and Genetic Engineering, Mawlana Bhashani Science and Technology University, Tangail, Bangladesh . ABSTRACT The fish is an important food stuff and source of protein all over the world. In Bangladesh, fisheries sector contributes a lot, in the case of the earning foreign currency and meeting domestic need of the animal proteins. To fulfill the domestic need of protein and fish, Bangladesh imports fish and fish products from the neighboring county. In many studies, it was proved that most of the imported fishes are contaminated with formalin, which is the highly hazardous and carcinogenic chemical. Information was collected from the fish retailers and consumers on the marketing of the formalin treated fishes throug...

DNA Extraction from Formalin Fixed Coilia macrognathos Fin Tissues

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=50726#.VEmy8lfHRK0 Author(s) Xiping Yuan , Hong Li , Chongrui Wang , Bo Hong Affiliation(s) Fishery Environmental Monitoring Station, Fisheries Research Institute of Hunan Province, Changsha, China . ABSTRACT Approximately 200 mg of fin tissue from each specimen was cut into pieces and treated with a gradient of ethanol (65%, 70%, 75%, 80%, 85%, 90%, 95% and 100%) and then DNA was extracted from formalin fish fin tissues. Agarose gel visualization of the DNA confirmed DNA extracted. MtDNA cyt b gene banding pattern of samples with agarose gel was clearly visible and could be used to be sequenced. In terms of DNA purity, the 260...