Biotechnology: Recent submissions
Now showing items 1061-1080 of 1320
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The study of the reactive oxygen species (ROS) of sperm before and after sperm preparation for Intra- Cytoplasmic Sperm Injection (ICSI)
(International University, Vietnam, 2013)The objective of this study was identifying the sperm reactive oxygen species (ROS) before and after sperm preparation then comparing them to not only evaluate the discontinuous density gradients technique in intra-cytoplasmic ... -
The effect of light-emitting diodes (LEDs) on in vitro flowering of Torenia fournieri L.
(International University, Vietnam, 2013)Flowering process of Torenia fournieri L. is different under differently light conditions. In this report, light generated from light emitting diodes (LEDs) i.e. monochromatic blue, monochromatic red, LEDs blue plus red ... -
Survey New Delhi metalo-beta-lactamase variants in enterobacteria spp. isolated in Southern Vietnam
(International University, Vietnam, 2013)The New Delhi Metallo-beta-lactamse (NDM) – a Carbapenemase is an enzyme that makes the bacteria resistant to a broad range of beta-lactam antibiotics. The 〖bla〗_NDM gene that synthesizes the enzyme is located on plasmid ... -
Study on coffee fermentation by penicillium citrinum and saccharomyces cerevislae
(International University, Vietnam, 2013)In coffee processing today, increasing the dissolved substances from the coffee bean has been studied a lot by many manufacturers who are interested in. However, the total soluble solids extraction is difficult by the two ... -
Study on cellulase synthesis by fungi (Aspergillus oryzae and pichia citrinum) for white pepper production
(International University, Vietnam, 2013)Cellulases refer to a group of enzymes which hydrolyze the most abundant organic polymer i.e. Cellulase catalyze cellulolysis to smaller sugar components including glucose subunits. Potential applications of cellulase ... -
Study on effect of medium compositions and Siraitia grosvenorii extract on mycellium and polysaccharides production of Ganoderma lucidium
(International University, Vietnam, 2013)The purpose of this study was to study the effects of medium compositions, cultivation conditions and Siraitia grosvenorii extracts on mycelium production and polysaccharides production of Ganoderma lucidum. ... -
Structural investigation of supercooled water confined in antifreezed proteins
(International University, Vietnam, 2013)Antifreeze proteins (AFPs) play an important role as inhibitors of ice crystal growth in the body fluid of living organisms. Nonetheless, the exact mechanism of ice growth inhibition is still poorly understood to analyze ... -
Preparation of nanocurcumin particle
(International University, Vietnam, 2013)Curcumin, a hydrophobic polyphenolic compound derived from the rhizome of the herb Curcuma longa, possesses a wide range of biological applications including cancer therapy. Nanocurcumin particles were prepared by top down ... -
Preparation of combinedcurcumin and piperinenanoparticles
(International University, Vietnam, 2013)Curcumin is a natural polyphenolic compound with anti-oxidation, anti-inflammation, and anti-cancer properties. However, these benefits of curcumin suffer from its extremely low water solubility and bio-availability. This ... -
Preparation and biological activity of calcium carbonate nanoparticles
(International University, Vietnam, 2013)Combined nano calcium carbonates( CaCO3) and Cholecalciferol (Vitamin D3) have been successful synthesized by using the bottom-up method with sizes ranging from 50-500nm. Nano-calcium carbonates were analyzed by ... -
Physicochemical and functional properties of heat-moisture treated rice starches with different organic and additions
(International University, Vietnam, 2013)Effect of organic acid additions and heat-moisture treatment (HMT) on physicochemical and functional properties of rice starches was studied. Isolated rice starches was subjected to HMT with adding different organic ... -
Physicochemical and functional properties of heat-moisture treated purple sweet potato (ipomoea batatas) and yam (dioscoreacea alata) starches +CD
(International University, Vietnam, 2013)Heat-moisture treatment is considered as a hydrothermal treatment that improves resistant starch (RS) content of starch which has potential application in production of the starch-based food with high-health benefit ... -
Physicochemical and functional proferties of annealing treated sweet potato( Ipomoea batatas) and yam (Discorea species) starches
(International University, Vietnam, 2013)Nowadays, the resistant starch was become more and more popular and known as a healthful carbohydrate, especially in colonic health and glycemic control. Consequ ently, th e purpose of this study was to ... -
Overexpression of gene encoding an ABC transpoter multidrug of Lactobacilllus acidophilus
(International University, Vietnam, 2013)Multidrug resistance (MDR) – type of transporters mediate the active extrusion of structurally and functionally dissimilar compounds from the cells, thereby rendering cells resistance to a range of drugs. ATP- binding ... -
Overexpression of actinorhodin activating gene of Streptomyces coelicdor
(International University, Vietnam, 2013)Actinorhodin (ACT) showed antimicrobial activities on Mycobacterium tuberculosis and Staphylococus. Act is a blue-pigmented antibiotics produced by Streptomyces coelicolor. Actinorhodin activating gene plays a key role to ... -
Optimization a high resolution melting method for detection of alpha thalassemia based on a point mutation (HbSC)
(International University, Vietnam, 2013)The Haemoglobin Constant Spring (HbCS) mutation is one of the most common variants causing alpha thalassaemia disease. Normally, ARMS-PCR is used to detect the HbCS mutation which contributes in detecting the ... -
Invitro selection and resistant mechanism investigation of flouroquinolone resistant Staphylococcus aureu ATCC 25213
(International University, Vietnam, 2013)Application of antibiotics with concentrations lower than the minimal inhibitory concentration (MIC) is widely believed to be the main reason for antibiotic resistance development. This work aims to provide more understa ... -
Investigation of antioxidant and antibacterial activities of Limnophila Aromatica (Ngò om) extract
(International University, Vietnam, 2013)Limnophila aromatica has been locally used to treat fever and consumed as herb. It was known to contain large amount of phenolic compounds and flavonoids. In this work, the effects of solvent to water ratio and sample to ... -
Investigating the virulence some Vibrio cholerae strains isolated in Vietnam by evaluating the production of several extracellular enzymes and the presence of CTX genes.
(International University, Vietnam, 2013)Vibrio cholerae, causative agent of severe watery diarrhea re-emerged in 2007 in Vietnam and since then caused several large cholera outbreaks threatening public health. Clinical data indicated a change in the virulence ... -
Insecticidal activity of harmala alkaloids from peganum harmala against spurge hawk moth (Hyles Euphorbiae)
(International University, Vietnam, 2013)To reduce some unexpected side effects of synthetic pesticides on plant, environment, and even on atmosphere, plant derived materials are considered in effort to use as pesticide. The toxicity and repellence ...