Browsing Department of Mathematics and Natural Sciences (MNS) by Title
Now showing items 283-302 of 355
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Quantitative analysis of artificial sweeteners in soft drink samples
(BRAC Univeristy, 2018-02)Carbonated drinks are the biggest soft drinks sector around the globe and have grown significantly over the last few decades. It has become part of the urban lifestyle and is consumed by people regardless of age, religion, ... -
Quantitative determination of artificial sweeteners and sucrose in energy drinks and mango juice available in Dhaka city by UV-Spectrophotometric method
(BRAC University, 2017-12)Energy dinks and mango juice are popular beverages. Apart from the natural ingredients and some additives present in these drinks, sugar is an important component of both. It has been established that other than providing ... -
Quorum regulated resistance of E. coli against environmental bacteriophages
(Brac University, 2019-09)Predation of bacteria by their corresponding phages have a significant influence on the population structure of different communities of bacteria. E. coli infection has become a safety concern globally and they are causing ... -
Rapid biological synthesis of silver nanoparticles from Cymbopogon citratus extract and evaluation of its antimicrobial properties
(BRAC University, 2018-07)It has been well known for many years that silver Nanoparticles (NPs) are toxic to microorganism and can potentially kill them. They can also provide solution to different technological and environmental problems such as ... -
Rapid identification of Klebsiella pneumoniae using PCR based method targeting 16S rRNA gene
(BRAC University, 2017-10)Background of the study: Klebsiella pneumoniae (KPN) is a gram negative and one of the most pathogenic bacteria of Klebsiella species which accounts for a significant proportion of pneumonia, nosocomial infections, urinary ... -
Rapid identification of Streptococcus pneumoniae strains using 16S rRNA gene based PCR method.
(BRAC University, 2017-10-26)Streptococcus pneumoniae strains are responsible for severe diseases, including pneumonia, bronchitis, otitis media, septicemia, meningitis. Early identification of etiologic agent of pneumococcal diseases is essential and ... -
Relativistic compact anisotropic charged stellar models with Chaplygin equation of state
(© Springer Science+Business Media Dordrecht 2016, 2016)This paper presents a new model of static spherically symmetric relativistic charged stellar objects with locally anisotropic matter distribution together with the Chaplygin equation of state. The interior spacetime has ... -
A review of Eikonal approximation and recent applications
(BRAC University, 2016-03) -
Review of Einstein field equation solution rotational and non-rotational black holes
(BRAC University, 2017)The origin of gravitational theory of relativity includes the discussion of Sir. Isaac Newton and Einstein’s theory of relativity. A brief derivation is introduced about the spherically symmetric solution of Einstein’s ... -
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 ... -
Review on signs and symptoms of Chikungunya disease and individual health economic loss associated with the outbreak in Dhaka
(BRAC University, 2018-11)Over the most recent couple of decades, chikungunya infection transmitted by Aedes spp mosquitoes has re-emerged in Africa, southern and southeastern Asia, and the Indian Ocean Islands as the reason for substantial flare-ups ... -
Rhizogenesis of regenerated shoot in Bangladeshi Sunflower (Helianthus annuus L.) varieties
(BRAC University, 2016-06)Sunflower (Helianthus annuus L.) is a highly nutritious oil-producing crop of Bangladesh. But the yield of this crop is disrupted by several biotic and abiotic factors. Application of biotechnological techniques is necessary ... -
The role of primary and secondary packaging on the antibacterial activity of sunlight exposed synthetic and herbal eye drops
(BRAC University, 2017-12)Eye infections are considered as one of the most serious public health problem around the world, and are responsible for the blindness or visual impairment of about 1.9 million people every year. These Infection spreads ... -
Score based risk assessment of lung cancer and its evaluation for Bangladeshi people
(© 2014 Asian Pacific Organization for Cancer Prevention, 2014)Background: The problem of cancer, especially lung cancer, is very acute in Bangladesh. The present study was conducted to evaluate the risk of lung cancer among Bangladeshi people based on hereditary, socio-economic and ... -
Screening for silver resistant silE gene in Klebsiella pneumoniae isolated from wound and burn patients
(BRAC Univeristy, 2017-11)Background: Bacteria are one-celled organisms cause various infectious disease. Wound site is more susceptible to the pathogenic bacteria and those bacteria becoming resistant to antibiotic day by day, a serious threat to ... -
Screening of G6PD Mutation and polymorphism using high resolution melt curve analysis
(BRAC University, 2017)Glucose-6-phosphate dehydrogenase (G6PD) deficiency is one of the most common X-linked recessive disorders resulting from the defect of a single gene encoding an enzyme called G6PD. G6PD enzymes catalyzes the conversion ... -
Screening of gram-positive opportunistic bacteria from oral cancer infection and their antibiotic resistance pattern
(BRAC University, 2018)The immune compromised patients after treatment of oral cancer may have a chance of infection by drug-resistant opportunistic microbes. This study investigated the gram-positive opportunistic bacteria found in the oral ... -
Screening of Lactic Acid Bacteria with antimicrobial property isolated from fermented foods
(BRAC University, 2017-10)The purpose of this study was to isolate and biochemical identification lactic acid bacteria (LAB) with antimicrobial properties from fermented vegetables and dairy products. Twenty LAB isolates were separated from all the ... -
Screening of silver resistance gene in clinical isolates and determination of Minimum Inhibitory Concentration (MIC) for silver nitrate
(BRAC University, 2017-07)Bacterial resistance to antibiotics has increased rapidly within recent years and has become a serious threat to public health. Ionic silver exhibits antimicrobial activity against a broad range of micro-organisms. As a ... -
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 ...
