Browsing by Subject "Biotechnology"
Now showing items 41-60 of 63
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IN VITRO culture establishment from hypocotyl and cotyledon explants of two Bangladeshi sunflower (Helianthus annuus L. ) varieties
(BRAC University, 2015-03)Sunflower (Helianthus annuus.L) is the world’s second most important oilseed crop. Plant tissue culture and gene transformation are the important tools for improvement of this crop. The purposes of this study are to optimize ... -
In Vitro regneration of three local potato (Solanum tuberosum L.) varieties of Bangladesh
(BRAC University, 2011-09)The present study was conducted to develop an efficient and reliable protocol for in vitro regeneration of potato varieties. Experiments were conducted with a view to standardize in vitro regeneration of three local ... -
Isolation and characterization of escherichia coli from raw vegetables
(BRAC University, 2013-10)Escherichia coli is a genetically heterogeneous group of bacteria whose members are typically nonpathogens that are a part of the normal microflora of the intestinal tract of humans and animal. However, some strains have ... -
Isolation and characterization of Saccharomyces cerevisiae for the production of ethanol from organic sources
(BRAC University, 2013-10-07)Microbial production of ethanol is a very popular concept in respect of alleviating energy demand nowadays. In this regard, two fermenting strains of Saccharomyces cerevisiae were isolated from date-juice and grapes and ... -
Isolation and characterization of yeast for bioethanol production, using sugarcane molasses
(BRAC University, 2014-03)In view of the anticipated shortage of the traditional supplies of fossil fuels there is a great deal of interest in the production of ethanol as an alternative biofuel in recent years. The present study describes the ... -
Isolation and identification of orange M2R and green GS dye degrading bacteria from textile sludge (soil) samples and determination of optimum growth conditions
(BRAC University, 2016-04)Environmental pollution has been confessed as one of the major troublesome of the 21st century. Most severely damaged part of this planet is its precious unique water bodies and in this deterioration textile and dyeing ... -
Isolation and study of the optimum growth conditions of diesel degrading bacteria from soil
(BRAC University, 2015-04)The rise in industrialization and globalization has made oil spills an environmental threat all over the world. Bioremediation can be considered as an effective aid to the clean-up process of spilled oil aside from expensive ... -
Isolation of Kerosene degrading bacteria from soli samples and determination of optimum growth conditions
(BRAC University, 2015-04)Oil spills are global catastrophes transpiring annually from minute to substantial amounts, threatening the lives of plants, animals and the health of human. Current physical and chemical management systems are very costly ... -
Isolation of Shiga toxin producing Escherichia coli 0157:H7 from street food and raw vegetables in Dhaka city
(BRAC University, 2015-04)E. coli O157:H7, a Shiga toxin producing microbe was first acknowledged as a virulent organism in 1982 during an analysis of an outbreak of haemorrhagic colitis associated with consumption of hamburgers from a fast food ... -
Microbiological qualities of some foods sold in the street and in the mid-level and high-level restaurants
(BRAC University, 2014-12)Street foods and restaurant foods play an important role in people’s daily food options as well as their regular nutritional requirements are dependent on these foods, as their ever-growing busy schedule take away the ... -
'O antigenic' polysaccharide specific memory B cell responses in Bangladeshi Cholera patients infected with Vibrio cholerae O1
(BRAC University, 2015-03)Cholera, caused by Vibrio cholerae O1/O139, is an acute dehydrating enteric disease with high mortality rate if untreated. Several efforts have been made to develop effective vaccines, and effort is still continuing. The ... -
Optimization of alkaline protease production by Bacillus licheniformis MZK05M9 in batch culture using response surface methodology
(BRAC University, 2014-09)Bacterial alkaline protease has got its particular eco friendly technical applications in leather processing, detergent and feathers digestion to feed in Bangladesh. The present study is aimed at the optimization of major ... -
Optimization of immunodot blot assay for diagnosis of Typhoid and Paratyphoid fever using the TPTest for comparison
(BRAC University, 2014-07)Typhoid and paratyphoid (enteric) fever are responsible for morbidity and mortality worldwide. Bangladesh is an endemic zone of enteric fever where sanitation and hygienic conditions are poor. Rapid, accurate diagnosis ... -
Process optimization for the in vitro growth and maintenance of human epidermal keratinocytes
(BRAC University, 2015-07)In the past few decades, the in vitro cultivation of human epidermal keratinocytes has significantly been improved owing to several developments in terms of media, growth factors and overall culture conditions. This ... -
Relation of chest HRCT scan findings with hematological, biochemical, and immunological parameters of hospitalized Covid-19 patients in a tertiary hospital in Chattogram city
(Brac University, 2023-03)The chest HRCT scan can be used as a diagnostic tool for COVID-19 disease in cases of clinical suspicion, false-negative RT-PCR, or unavailability of the test. The study aimed to investigate the relation of HRCT findings ... -
Studies on isolation of yeasts from natural sources for bioethanol production from vegetable peels and the role of cellulose degrading bacteria (Bacillus subtilis) on ethanol production
(BRAC University, 2015-08)The requirement of an alternative clean energy source is increasing with the elevating energy demand of modern age. Microbial production of bioethanol can replace the conventional fossil fuel with green energy. In this ... -
Studies on physico-chemical and microbiological qualities of some selected brand of mango fruit juice of Bangladesh
(BRAC University, 2015-05)Among many local fruits, mango is very delicious and nutritious for our health. Many people want to take test of mango around the year. Consumption of mango juice continues to increase in Bangladesh because of its taste, ... -
Study of acute toxicity of an unani medicine used in dysentery
(BRAC University, 2015-08)Marbelus is an Unani Medicine of unique combination of Bael (Aegle marmelos) fruit and Connessi (Holarrhena antidysenterica) bark, which is highly effective in diarrhoea, dysentery (Amoebic & Bacillary dysentery), ... -
Study of IN VITRO regeneration and transformation parameters for the development of transgenic Tomato (Solanum Lycopersicum L.)
(BRAC University, 2014-10)Investigation was carried out to develop an in vitro regeneration protocol using three locally grown farmer popular tomato varieties namely BARI Tomato 2, BARI Tomato 9 and Bahar. Later Agrobacterium mediated transformation ... -
Study on SOD1 GENE +35A>C polymorphism in impaired glucose regulation patients of Bangladeshi origin
(BRAC University, 2014-07)Superoxide dismutase 1 (SOD1), located at the cytosol has been postulated to represent between 50%-80% of the total SOD activity. The SOD gene is located at 21q22.1. Polymorphisms in the genes encoding these enzymes found ...