Browsing Department of Mathematics and Natural Sciences (MNS) by Issue Date
Now showing items 1-20 of 741
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Calculation of the bandwidth of a graded-index optical fiber using experimentally measured quantities
(© 2007 Dhaka University Journal of Science, 2007-01) -
Isolation and charaterization of Vibrio cholerae O1 from stools of diarrheal patients and studies of the methods to determine the immunological responses
(BRAC University, 2008-09)Cholera continues to be one of the most common causes of morbidity and mortality among children and adults in developing countries like Bangladesh. The aim of the study was to determine the percentage of cholera patients ... -
Antigenic cross reactivity between the pneumococcal polysaccharide vaccine and the streptococcus pneumoniae 7f one of the prevalent sertypes in Bangladesh
(BRAC University, 2008-09)Streptococcus pneumoniae (the pneumococcus) is a human pathogen that causes Iifc threatening, invasive disease such as pneumonia, bacteremia, meningitis with high morbidity and morbidity throughout the world; young children ... -
Association of INS VNTR variants with type 2 diabetes mellitus in overweight to obese subjects in a Bangladeshi population
(BRAC University, 2008-09)Background and Aim: Diabetes is regarded as a public health problem all over the world including Bangladesh. Type 2 diabetes variety constitutes the major bulk of total diabetic patients. Obesity and insulin resistance ... -
A novel approach for predicting the evolutionary origin of acquisition of foreign genes in bacteria: application of codon usage analyses
(BRAC University, 2009)Lysogenic bacteriophages, are considered as a major player for the introduction of foreign genes into bacterial strains. At the time of introduction foreign genes do not fit well into the translation system of the recipient ... -
Study on Salmonella Typhi-Isolation, characterization and immunological studies
(BRAC University, 2009)Typhoid fever is one of the most common febrile illnesses and its real impact is difficult to estimate because the clinical picture is confused with other febrile infections. Various diagnostic techniques are used for ... -
Isolation and identification of Enterotoxigenic Escherichia coli (ETEC) from stools of Diarrheal Patients
(BRAC University, 2009-01)Enterotoxigenic Escherichia coli (ETEC) is the major cause of diarrhea in children in the developing countries. It colonize the small intestine where they secret toxins. ETEC possess colonization factors (CFs) that are ... -
Establishment of in vitro regeneration and transformation protocol in tomato (Lycopersicon esculentum Miller)"
(BRAC University, 2009-06) -
Evaluation of Genotoxic effects of Chromium on tannery workers by various Cytogenetic assays
(BRAC University, 2009-12)Chromosomal aberration is an important biomarker for carcinogenesis. The study of DNA damage at the chromosomal level is an essential part of genetic toxicology. Different Chromium compounds are used in tanneries. ... -
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, ... -
In vitro antibacterial activity of ethanol, methanol and water extracts of persimmon fruit (diospyros peregrine) against some multi-drug resistant human pathogens
(BRAC University, 2010)Diospyros peregrine is a small middle sized tree of costal Bangladesh. The fruits have ethno medicinal significance for the treatment of diarrhea. dysentery, cholera. ulcer of mouth and wounds. The world-wide increase ... -
Calpain 10 gene SNP-44 T>C polymorphism in type 2 diabetes mellitus of Bangladeshi origin
(BRAC University, 2010-03)Insulin resistance and/or B cell secretory defect have been accepted as the fundamental features in the pathogenesis of type 2 diabetes mellitus, though the exact molecular defect affecting the insulin secretion or ... -
Association of vitamin D receptor gene polymorphism with young onset diabetes millitus in a Bangladeshi population
(BRAC University, 2010-04)Vitamin D has an important immunomodulatory property and also has been suggested to play an important role in cellular metabolism. Vitamin D receptor (VDR) gene polymorphism has also been found to be associated with insulin ... -
Detection of Salmonella enterica serovar Typhi by nested PCR using different procedures of nucleic acid extraction
(BRAC University, 2010-05)Typhoid fever is one of the major health problems in Bangladesh. It is caused by the bacterium Salmonella enterica serover Typhi (S. Typhi). The infection rate of S. Typhi is higher in children. The conventional diagnostic ... -
Comparison of genotypic and phenotypic method for detection of Enterotoxigenic Escheichia coli isolated from diarrheal patients
(BRAC University, 2010-11)Enterotoxigenic Escherichia coli (ETEC) is one of the main causes of childhood diarrhea and in travelers in developing countries . ETEC expresses one or both of two different enterotoxin subtypes : heat-stable toxins ... -
The (G'/G)-expansion method for abundant traveling wave solutions of Caudrey-Dodd-Gibbon equation
(© 2011 Mathematical Problems in Engineering, 2011)We construct the traveling wave solutions of the fifth-order Caudrey-Dodd-Gibbon (CDG) equation by the (G'/G) -expansion method. Abundant traveling wave solutions with arbitrary parameters are successfully obtained by this ... -
Screening of some Bangladeshi medicinal plants for in vitro antioxidant, antimicrobial and insecticdal activities
(BRAC University, 2011)Screening of some Bangladeshi medicinal plants for antioxidant , antimicrobial , insecticidal activity and analysis of some of their chemical contents were undertaken in the present study. The medicinal plants studied ... -
Power allocation for the network coded cognitive cooperative network
(© 2011 IEEE, 2011)Demand for higher data rate wireless applications has led to scarcity in radio frequency spectrum. This article focuses the power allocation for the network coded cognitive cooperative network (NCCCN). Analog network coded ... -
The exp-function method for new exact solutions of the nonlinear partial differential equations
(© 2011 International Journal of Physical Sciences, 2011)In this article, the exp-function method is used to construct some new exact solitary wave solutions of the sixth-order Boussinesq equation and the regularized long wave equations. These equations play very important role ... -
Neuro-fuzzy based joint relay-selection and resource-allocation for cooperative networks
(© 2011 Transactions on Electrical Engineering, Electronics, and Communications, 2011-02)This paper focuses on a joint relay-selection and resource-allocation algorithm for an Amplify-and-Forward (AF) cooperative network. In a multiuser scenario, joint relay selection and power allocation is a combinational ...
