Department of Mathematics and Natural Sciences (MNS): Recent submissions
Now showing items 601-620 of 687
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False vacuum decay exact computation of the classical bounce
(BRAC University, 2016-01)This thesis reviews the exact numerical computation of the classical bounce solution in the false vacuum decay for a quartic scalar eld potential which is o set by an external source. The decay rate in a semiclassical ... -
Isolation and screening of azo dye reactive violet 5R degrading bacteria from textile sludge
(2016-01-24)Azo dyes account for the majorly produced synthetic dye substances in industries. They are extensively used in the textile, leather, pharmaceutical and cosmetics industries, posing a threat to all life forms. Harmful ... -
The value of different red cell parameters in the diagnosis of microcytic hypochromic anaemia
(BRAC University, 2016-01)The most common causes of microcytosis are iron deficiency anemia (IDA) and Beta thalassemia trait (BTT). BTT is an important differential diagnosis of IDA in Southeast Asian countries including Bangladesh. A definitive ... -
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, ... -
Daily arsenic contamination associated with Gestational diabetes mellitus and neonatal outcome
(BRAC University, 2015-12)Association of chronic arsenic exposure with diabetes mellitus is fairly well established, but the association of arsenic toxicity with glucose intolerance in pregnancy and with neonatal outcome have yet not been studied ... -
Isolation of reactive Red 3BX and Yellow 4GL dye degrading bacteria from the textile sludge
(BRAC University, 2015-11-23)This world is getting polluted in different ways. This world has many prime components including soil, water, and air. Every day to meet human needs thousands of mills, factories and are producing necessary commodities. ... -
Phytochemical Screening and comparison of antibacterial assays of pimpinella anisum through extraction
(BRAC University, 2015-12)Increasing number of microbes is developing resistance to synthetic antibiotics which hinders combating infective health conditions. Assessing antimicrobial properties of naturally occurring Pimpinella anisum may help in ... -
Isolation of wild-type yeasts from natural sources for bioethanol production, their characterization and the effect of mineral salts on ethanol productivity in molasses
(BRAC University, 2015-11)Ethanol, with the molecular formula of CH3CH2OH, is a highly useful hydrocarbon which is used extensively in major industrial and manufacturing processes. It is also used as a fuel, albeit on a much smaller scale. Ethanol ... -
Extraction of secondary metabolites, phytochemical screening and the analysis of antibacterial activity in Spirulina platensis
(BRAC University, 2015-10)Spirulina platenis is a multicellular and filamentous blue-green microalgae which is most well-known and broadly accessible. It develops in water, can be reaped and prepared effortlessly and has fundamentally high large ... -
Comparison of Lipopolysaccharide (LPS) specific IgA and IgG avidity maturation between Vivotif Vaccinees and naturally infected enteric patients in Bangladesh
(BRAC University, 2014-08)Enteric fever, primarily caused by Salmonella enterica serovar Typhi and Paratyphi, is a potentially life-threatening systemic disease. Characterized by fever, malaise and diffused abdominal pain, it can lead to delirium, ... -
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 ... -
In silico structural analysis, physicochemical characterization and homology modeling of Arabidopsis thaliana Na+/H+ exchanger 1 protein
(BRAC University, 2015-09)Climate changes have detrimental effects on the plants such as an increased susceptibility towards pathogens or ill health leading to food insecurity. This is eminently observed in developing countries such as Bangladesh. ... -
Extraction of secondary metabolites, phytochemical screening and the analysis of antibacterial activity in stevia rebaudiana
(BRAC University, 2015-09)Stevia rebaudiana is a plant of the Asteraceae family and native to Paraguay. Its sweetness and calorie free property has increased its demand commercially all over the world as a sugar substitute in food beverages and ... -
Establishment of transformation protocol and regeneration potential comparison following introduction of the antiporter gene in peanut (Arachis hypogaea L.)
(BRAC University, 2015-09)Peanut is a cash crop which is cultivated in 24 million ha all over the world for extracting edible oil. It is a great food having outstanding food values, specially for hunger and malnutrition affecting Asian countries ... -
Isolation and identification of cellulose degrading bacteria from soil sample
(BRAC University, 2015-09)Cellulolytic microorganisms such as fungi and bacteria are responsible for much of the cellulose degradation in soils. Despite this vast number of cellulase producers, there is a deficiency of microorganisms that can produce ... -
Analysis of multidrug resistant Klebsiella pneumoniae and Enterobacter aggalomerans isolates from under five children suffering from acute respiratory infections in Dhaka, Bangladesh.
(BRAC University, 2015-09)Emergence of resistance against multiple types or classes of antibiotics among bacterial pathogens associated with Acute Respiratory Infection (ARI) is a global concern. Since, ARI still remains the major cause of child ... -
Transgenic tomato (Solanum lycopersicum Mill.) regeneration by comparing different transformation techniques
(BRAC University, 2015-08)Production of saline-tolerant high-yielding crop has become most important in the current global scenario. Biotechnological approaches are extensively employed for introducing foreign genes into high-yielding genotypes. ... -
A comparative analysis on antibiotic resistance pattern in environmental and clinical bacterial isolates based on whole cell protein profiling by SDS-PAGE
(BRAC University, 2015-08)This comparative study was carried out to investigate the presence of antibiotic sensitive and resistant bacteria in different environmental samples of Bangladesh with specific clinical strain obtained from ICDDR, B. The ... -
Study of the antimicrobial activities of the bark extract of cinnamomum verum on multi drug resistant klebsiella pneumoniae and enterobacter agglomerans
(BRAC University, 2015-08)Infections caused by Multi Drug Resistant (MDR) organisms cause to stand a worldwide pandemic. MDR bacteria are an emerging threat with limited therapeutic options. Without having information about these strains, morbidity ... -
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), ...