Master of Science in Biotechnology: Recent submissions
Now showing items 141-160 of 162
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Development of Immune response in different age groups of children from Birth to 2 years of age
(BRAC University, 2011-12)Human neonates are markedly more susceptible to infection than are older children or adults. This increased susceptibility is generally believed to be due to immaturity of the immune system to combat pathogens in both ... -
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 ... -
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 ... -
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 ... -
Comparison of memory B-Cell immune responses among different age groups after oral cholera vaccination
(BRAC University, 2011-12)Infection with Nbrio cholerae Olcauses dehydrating diarrhea, although it is now treatable disease with low case-fatality in settings with appropriate medical care . However, cholera continues to impose considerable ... -
Characterization of an ethanol producing yeast isolate and optimization of ethanol fermentation
(BRAC University, 2011-11)Bioethanol or biofuel as an alternative to fossil fuels has been expanded in the last few decades in the whole world. Saccharomyces cerevisiae is the choice of organism for ethanol production. Characterization of an ... -
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 ... -
Isolation, identification and characterization of Jute Genomic LTR retrotransposon sequences
(BRAC University, 2012-01)Long Terminal Repeat (LTR) retrotransposons make up a significant part of eukaryotic genomes and play an important role in plant genome evolution. Jute is an important fiber crop, and the Jute genome, consisting of 1,250 ... -
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 ... -
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. ... -
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 ... -
Study on the expression of vacuolar proton PUMP ATPase subunit F that contributes in abiotic stress tolerance of Jute (corchorus olitorious)
(BRAC University, 2011-08)Jute (Corchorus spp.) is the second most important fibre producing plant in the world. It is a very season specific crop and requires certain temperature and moisture conditions for growth. To imporve the quality of this ... -
Evaluation of antibacterial, antioxidant and toxicological activity of crude extracts of Adiantum capillus-veneris, Blumea lacera, Cassia alata, and Cissus quadrangularis from Faridpur, Bangladesh
(BRAC University, 2011-06)Antibacterial and antioxidant potentials of Adiantum capillus-veneris, Blumea lacera, Cassia alata, and Cissus quadrangularis from Faridpur, Bangladesh was investigated in this study along with their toxicological evaluation. ... -
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 ... -
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 ... -
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 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 ...
