Browsing Department of Mathematics and Natural Sciences (MNS) by Title
Now showing items 431-450 of 633
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'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 ... -
Omicron, delta, and beta, deadliest among SARS-CoV-2 variants: an in silico analysis
(Brac University, 2023-01)SARS-CoV-2 has a higher mutation rate since it is emerging in Wuhan, China, and has a high propensity for mutation as it contains RNA as its genome. Because of its high transmissibility and new variants constantly mutating, ... -
On some general relativistic compact anisotropic charged stellar models
(BRAC University, 2015-07-15)With the presence of electric charge and pressure anisotropy some anisotropic stellar models have been developed. An algorithm presented by Herrera et al. (Phys. Rev, D 77, 027502 (2008)) to generate static spherically ... -
Optical characterisation of single junction monocrytalline silicon solar cell
(BRAC University, 2015-01)In this paper the character of a solar cell in terms of minority carrier diffusion length through surface photovoltage (SPV) technique is studied. SPV is measured with respect to wavelength where the spectral range is ... -
Optical solitons in negative-index meta-materials
(© 2013 IEEE, 2013)The nonlinear propagation of gigahertz electromagnetic wave propagation in the resonant region of a negative index meta-material is investigated. It is found that the negative refractive index is maintained within a narrow ... -
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 ... -
Optimization of photoproduction of hydrogen by the bacterium Rhodobacter capsulatus: role of Pyruvate Formate Lyase
(BRAC University, 2010)The bacterium Rhodobacter capsulatus uses solar energy to produce hydrogen, a clean energy from many organic substrates derived from renewable sources. Two types of enzymes can catalyze the reduction of protons to H2, ... -
Optimization of transpeptidation reaction of the insulin precursor for efficient yield recovery during downstream processing
(BRAC University, 2017)Nowadays Yeast cell is a popular host for recombinant human insulin production where initially it secrets insulin precursor fusion protein with N-terminal spacer peptide and deletedthreonineB30, followed by a small C-peptide ... -
Oral microbial profile and their connection with systemic diseases: a review
(Brac University, 2023-11)In countries like Australia, Spain, the UK, and the USA, the interrelation of systemic diseases with oral microbes, has grabbed the attention of the experts. Oral microbes are the causative agents of several systemic ... -
Osteoarthritis: a multi-disciplinary factual review
(Brac University, 2021-09)Osteoarthritis is a complex multimodal disease. It requires the involvement of different discipline of science to better define and explain the pathobiology and also to design the best treatment method reducing drug toxicity ... -
Out-of-time-order correlators as a measure of quantum chaos for sinai, cardioid and diamond billiards
(Brac University, 2023-05)The field of quantum chaos studies how the chaotic dynamics of a classical system manifest in its quantum counterpart. Various indicators and measures of classical chaos have been discovered, such as the classical Lyapunov ... -
Overview of Listeria monocytogens and its epidemiology : a potential threat for pregnant women
(Brac University, 2021-12)Listeria monocytogenes is a Gram-positive intracellular, aerobic, and facultative anaerobic bacteria that is mostly transferred to humans through food. Thousands of people have died as a result of listeriosis outbreaks. ... -
Overview of the antimicrobial sensitivity pattern of the clinical isolates collected from patients at intensive care unit of a private hospital in Dhaka
(BRAC University, 2018-07)Antibiotic resistance is one of the significant threat to public health. Every time a person takes an antibiotic, sensitive bacteria gets killed, resistant ones survive and then multiply. This may happen even more if the ... -
Overview of the risk factors, prevention and management of SARS-COV-2
(Brac University, 2020-08)SARS-CoV-2, the novel corona virus that originated in Wuhan, China in late December is a positive single stranded RNA virus. COVID-19, a disease caused by the SARS-CoV-2 is characterized by symptoms such as fever, sore ... -
An overview on the prevalence and diagnosis of dengue
(BRAC University, 2018-09)Dengue viral contamination has become greater in size, global health concern with over twofifths of the world's population at risk of infection. This paper provides a brief review of the history of dengue research. It ... -
Pan-genome analysis of Alistipes Genomes: Exploration of diversity and pathogenicity
(Brac University, 2023-01)Alistipes, a recently identified and comparatively unexplored bacterial genus of the Bacteroidetes phylum, has several species isolated from both healthy and diseased individuals. This gram negative, anaerobic, rod-shaped ... -
Particulate matter pollution and its impact on human health
(Brac University, 2020-07)One of the major types of air pollution is particulate matter type air pollution. This type of air pollution is mainly caused by the suspended particles created from burning fuels or other harmful gases leading to the ... -
Pathway analysis of Disease-Gene associated network in the human breast cancer
(Brac University, 2020-01)The research of human genes and diseases is very interrelated and can lead to an improvement in healthcare, disease diagnostics, and drug discovery. In this work, a system was established to construct similarity measures ... -
Pattern of brain tumor among admitted patients in a specialized center of Dhaka city: a cross sectional study
(BRAC University, 2017)A brain tumor is an intracranial solid neoplasm which involves varied types of cells. Management strategies and prognosis of tumor depends on the combination of factors like the type and grade of tumor, its location, size ...