Department of Mathematics and Natural Sciences (MNS): Recent submissions
Now showing items 381-400 of 687
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Hematological analysis of anemic severity in beta thalassemia
(BRAC University, 2018)Beta thalassemia is an inherited blood disorder that affects synthesis of the beta chain in the production of haemogoblin, leading to the production of deficient RBCs (red blood cells) that cannot effectively transport ... -
System of linear equations in Computed Tomography (CT)
(BRAC University, 2018-09)In X-rays the internal structures often overlap, thereby it reduces the chances of detecting any anomalies (if any) and hence the patient may be given an improper diagnosis or they will have to suffer due to participating ... -
Local varieties of Allium Sativum has more effective antimicrobial property compared to imported variety
(BRAC University, 2018-07)Natural antibiotics or commonly known as herbal plants are used against various small diseases throughout the history of mankind. Now we use synthetic antibiotics. However, these antibiotics are very much ineffective ... -
Review on cyclic group and affine cryptosystem and its application on cryptography
(BRAC University, 2018-09)In this thesis, I have tried to briefly describe the concept of cryptography and group theory and the relation between them. In short, Cryptography is regarded as a medium which enables communications to take place under ... -
Isolation of E. coli and Shigella spp. from raw Tilapia, elucidation of their antibiotic susceptibility pattern and evaluation of the antimicrobial efficacy of Oregano (Origanum vulgare)
(BRAC University, 2018-10)Tilapia (Oreochromis spp.) has become the third most important fish in aquaculture because of their protein content, larger size and rapid growth to harvest. Due to improper handling and poor hygiene, fresh marketed raw ... -
Prevalence and characterization of methicillin resistant staphylococcus spp. in surface water of Dhaka
(BRAC University, 2018-10)Dhaka city being the capital of Bangladesh faces problem with rapid urbanization based on ruralto- urban migration often results in the contamination of water bodies with bacteria pathogenic to humans. This study aims ... -
Determination of the prevalence and virulence properties of aerobic endospore-forming bacteria isolated from commercial packaged foods in Dhaka city
(BRAC University, 2018-07)Endospore forming bacteria in packaged foods can lead to gastrointestinal disease and food spoilage upon germination in the GI tract or favourable storage conditions. In the current study,14 samples of packaged foods from ... -
Vaccination against Helicobacter pylori – a review
(BRAC University, 2018)Since the colonization of H. pylori has sweeping wellbeing results, it speaks to a huge general wellbeing challenge. Current medicines utilize numerous anti-infection agents in blend with corrosive concealment pharmaceuticals ... -
Generalized inverse and it’s applications to the solutions of system of linear equations and semigroup
(BRAC University, 2018-09-27)There are a number of versatile generalizations of the usual inverse matrix, referred to in this thesis as generalized inverse matrices. The definitions and properties of some of the common generalized inverse matrices are ... -
Molecular and phenotypic investigations of enzyme mediated resistance profiles against aminoglycoside antibiotics in gram-negative clinical isolates in Dhaka, Bangladesh
(BRAC University, 2018-09)In recent decades, focus has shifted from notorious Gram-positive pathogens to Gram-negative threats, the majority of which comprise members of the Enterobacteriaceae and Pseudomonadaceae families. These, often commensal ... -
Isolation, biochemical characterization and identification of microorganisms from spoilt brinjals obtained from local markets of Dhaka city, Bangladesh
(BRAC University, 2018-09)Vegetables are the most common food item in our everyday life. And brinjal is the most popular one. Starting from tradditionl curries to various Italian, French, Arabian cuisines brinjal is quite wellknown. It has vast ... -
Isolation, biochemical characterrization and identification of microorganisms from spoilt tomatoes obtained from local markets of Dhaka city, Bangladesh
(BRAC University, 2018-09)Tomato is a fruit which has high nutritional value along with uses in different dishes. This study aimed at isolating, identifying, and investigating enzyme activity and temperature tolerance of bacterial isolates collected ... -
Understanding the effect of exposure of human pathogens to polluted surface water: Vibrio cholerae as a model organism
(BRAC University, 2018)Urbanization and industrialization results in the fecal organisms contaminating the water-bodies which are important sources of recreational activities. This eventually increases the risk of humans getting infected during ... -
A case study of lung cancer patients in term of various risk factors in context of Bangladesh
(BRAC University, 2018-09)Lung cancer is the most common cancer among men and women of Bangladesh. People who smoke for more than 10 years, expose to dusty environment, affect by infectious disease like tuberculosis, pneumonia and chronic obstructive ... -
Determination of prevalence and antibiotic susceptibility pattern of the bacterial isolates collected from different parts of restaurant refrigerators of Mohakhali, Dhaka, Bangladesh
(BRAC University, 2018-09)Refrigeration is an essential food storage technique and an important link in wide chain of cross contamination which leads to the outbreak of many food borne disease. In this study samples were obtained from various parts ... -
Determination of antibacterial activity of cinnamon and black cumin extracts, along with MIC\MBC against bacterial isolates and analysis of their phytochemical properties
(BRAC University, 2018-09)Medicinal plants are nothing but a blessing to us as they are the ample bio-resource of drugs for traditional medicines, food supplements, modern medicines, pharmaceutical intermediates, and chemical units for synthetic ... -
In silico T-cell epitopebased vaccine designing against Mycobacterium tuberculosis
(BRAC University, 2018-09)Mycobacterium tuberculosis is an obligate pathogenic bacterial species in the family Mycobacteriaceae and the causative agent of tuberculosis. At present BCG, an attenuated strain of Mycobacterium bovis is used as a ... -
Establishment of tissue culture protocol of two Bangladeshi sunflower varieties (Helianthus annuus L.)
(BRAC University, 2018-07)Sunflower (Helianthus annuus L.) is an important commercially valuable crop with a high oil content. It is seed propagated, but poor germination, along with other abiotic and biotic factors pose problems in sunflower ... -
Impact of sunlight on chloramphenicol mediated synthetic and herbal eye drops in terms of antimicrobial activity
(BRAC University, 2017-12)Ocular bacterial infections can cause several eye diseases that have potential impact on human health which is a growing concern worldwide. The use of chloramphenicol synthetic eye drops could provide immense coverage ... -
Effect of physical parameters on the decolorization of multiple synthetic textile dyes by bacteria recovered from dye contaminated soil and water
(BRAC University, 2018-07)Textile wastewater is a complex mixture of many contaminating materials. These include a high concentration of salts, acids, heavy metals, organochlorine-based pesticides, pigments, dyes etc. Dye is the first pollutant ...