Biotechnology: Recent submissions
Now showing items 701-720 of 1320
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Research on the ability of enriching docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) from fish oil (PANGASIANODON HYPOPHTHALMUS)
(International University - HCMC, 2016)Fish waste is a current problem in the fish processing industry due to huge waste for raw materials and negative environmental impact. Fish waste can be used to produce oil, bio-diesel or to obtain numerous bioactive ... -
Study on the chemical constituents and bioactivities of angelica sinensis
(International University - HCMC, 2017)This study aims at isolation of chemical constituents from Angelica sinensis root and evaluation of their bioactivities. Three isolated compounds were determined as β-sitosterol (375.6 mg), bergapten (50 mg) and ... -
Effects of soaking and gaseous treatments on total phenolic, anthocyanin concentration and antioxidant capacity of germinated red, white and black rices
(International University - HCMC, 2017)The aim of this study is to determine the total phenolic content (TPC), flavonoid content (TFC), DPPH radical scavenging, anthocyanin concentration, chemical compostions and enzyme activity of three types of germinated ... -
Detection of exiguobacterium indicum exoplysaccharides with biological activities
(International University - HCMC, 2017)Nowadays, cancer is the leading cause of death all over the world. Besides, drug resistant is also increasing fast. Thus, finding out the new compounds which has abilities in biological activities is necessary in pharmaceutical ... -
Effects of pre-treatment methods on lemongrass (cymbopogon citratus) leaf essential oil yield
(International University - HCMC, 2017)main purpose of this study was to improve the efficiency of hydrodisitllation extraction of lemongrass (Cymbopogon Citratus) leaf essential oil by combining with ultrasonic and Viscozyme L treatments. Lemongrass leaves ... -
Evaluate the potential of water hyacinth as soil conditioner
(International University - HCMC, 2017)Water hyacinth (Eichhornia crassipes) is known as the fastest growing aquatic weed, which is available almost year–round in the tropics and subtropics. It represents a potential candidate for wastewater treatment as well ... -
Investigation of sulfide removal using biofilter innoculated with sulfur oxidizing bacteria (SOB)
(International University - HCMC, 2017)Hydrogen sulfide (H2S) is an odor gas that is harmful to senses of human and the environment if the amount exceeds 7.5 mg/Nm3 (QCVN 19:2009/BTNMT). In this study, hydrogen sulfide was treated by three strains of Sulfur ... -
Evaluating the amount of lignin peroxidase and manganese peroxidase extracted from wood decay fungi
(International University - HCMC, 2017)Wood-decay fungi produce a wide variety of enzymes including lignin peroxidase (LiP) and manganese peroxidase (MnP). Lignin peroxidase and manganese peroxidase are the most significant ligninolytic enzymes beside laccase. ... -
Screen for aedes aegypti larva killing bacillus thuringiensis from soil samples
(International University - HCMC, 2017)Bacillus thuringiensis (Bt) are gram-positive, soil-dwelling, spore-forming, rod-shaped bacterial species possessing insecticidal properties. The objectives of this study were to screen for Aedes aegypti larva killing Bt ... -
Investigation of antimicrobial activities of Streptomyce isolates from soil in Ho Chi Minh city
(International University - HCMC, 2017)In order to survive in a highly competitive environment, Streptomyces genus of Streptomycetaceae family must produce secondary metabolites known as antimicrobial agents, notably antibiotics to inhibit or kill other ... -
Investigation of adverse drug reation (ADR) from electronic medical records (EMR) for type 2 diabetes patients
(International University - HCMC, 2017)Electronic medical records (EMR) is not only a great resource for patient information management but also for important and long term medical research. On this research EMR database of diabetes patients is used to find the ... -
Decolorization of aromatic dyes by wood decay fungi
(International University - HCMC, 2017)The biodegradation of synthetic dyes by fungi is emerging as an effective and promising approach. Synthetic azo dyes are extensively used in textile industry and are not easily degraded into the environment due to their ... -
Evaluation of mycofiltration efficiency against shrimp pathogen Vibrio Parahaemolyticus
(International University - HCMC, 2017)Today, the shrimp production around the globe is threaten by the outbreak of diseases, especially Acute Hepatopancreatic Necrosis Disease caused by Vibrio parahaemolyticus leading up to 100% mortality rate in a short period ... -
Pectinase production by Bacillus subtilis on soild state, semi-solid, submerged fermentation modes and its application on coffee fermentation
(International University - HCMC, 2017)Pectinase is a group of enzymes that degrades pectin substances. This enzyme could be produced by microbial fermentation. In this study, the objective was aimed to choose the most optimal mode of fermentation to produce ... -
Study on co-culture (Aspergillus oryzae and bacillus subtilis) for husk removal in white pepper production
(International University - HCMC, 2017)The white pepper, which has higher quality and economic value than the black pepper, is usually produced by traditional method. This method has some disadvantages such as taking long time (7-15 days) with a low quality of ... -
Application of probiotics in Prevention of acute hepatopancreatic necrosis disease (AHPND) on penaeus vannamei
(International University - HCMC, 2017)Acute Hepatopancreatic Necrosis Disease (AHPND), caused by the pathogen Vibrio parahaemolyticus, is responsible for mass mortality in shrimp at a rate of 40-100%. Until now, many methods have been used to treat the disease, ... -
Evaluation of the efficiency of vaccine against haemorrhagic disease on Tra catfish (Pangasianodon hypophthalmus) from fry to fingerling in laboratory conditions
(International University - HCMC, 2017)In the aim of developing a vaccine that can be effective against the infection of haemorrhagic disease on fry and fingerling Tra catfish (Pangasianodon hypophthalmus), the virulent Aeromonas hydrophila bacterial strains, ... -
Alkaloid constituents and anti -tumor activities from crinum latifolium leaves
(International University - HCMC, 2017)Two alkaloids, Undulatine (CL01) and CL04 were isolated from Crinum latifolium leaves. Their structures were elucidated by spectral methods such as nuclear magnetic resonance spectroscopy (NMR), mass spectroscopy (MS) and ... -
The induction of beta vulgaris adventitious roots in in vitro culture and evaluation of their extracted betalains content
(International University - HCMC, 2017)Recently, betalains have gained the attention as natural food colorants because of their high anti-oxidative and free radical scavenging activities. This study focused on the process to induce the root formation from ... -
Effect of caffeine treatment on in vitro development of porcine parthenogenetic embryos developed from aged oocytes
(International University - HCMC, 2017)The deterioration in quality of the oocytes, also known as “oocyte aging” due to the long nuclear transfer manipulation duration is supposed to be the main reason of the low success rate of somatic cell nuclear transfer ...