Biotechnology: Recent submissions
Now showing items 1081-1100 of 1320
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Improving modified natural sea water medium for the growth of Dunaliella bardawill DCCBC15
(International University, Vietnam, 2013)Beta-carotene, the major carotenoid accumulated in Dunaliella, is a valuable compound, in high demand as a natural food coloring agent, pro-vitamin A, additive to cosmetics, and health food. Dunaliella ... -
Expression of hemagglutinin, neuraminidase and M1 matrix proteins CHO-K1 cell line
(International University, Vietnam, 2013)Hemagglutinin (HA), neuraminidase (NA) and matrix protein (M1) are three main influenza structural proteins which play roles as antigen when they enter host immune system. Because of their characteristics, HA, NA and M1 ... -
Evaluation of the anticancer and antioxidant activities of Asparagus Cochinchinesis
(International University, Vietnam, 2013)Five compounds including quercetin (AC01), asparagine (AC02), sucrose (AC03), β- Sitosterol-3-O-β-glucopyranoside (AC04) and β- Sitosterol (AC05) were isolated from the methanol extract from tuber of Asparagus cochinchinensis ... -
Evaluation of antitumor activity of Caesalpinia Sappan Linn
(International University, Vietnam, 2013)The aim of this study was to isolated and identified the phytoconstituents which are responsible for antitumor activity in Caesalpinia sappan L. The chemical constituents were isolated and identified by means of chromatographic ... -
Evaluation of antioxidant and anticancer activity of Glesditsia Australis Hemsley
(International University, Vietnam, 2013)This study investigates antioxidant and anticancer activity of Gleditsia ausralis hemsly and two flavonoids, vitexin (GL-01) and isovitexin (GL-02), 1 sterol, β-Sitosterol-3-O- β glucopyranoside (GL-03) were purified and ... -
Evaluation of antimicrobial avtivity of glinus oppositifolius L
(International University, Vietnam, 2013)The aim of this study was to isolated and identified the phytoconstituents which are responsible for antimicrobial activity in Glinus oppositifolius L. The chemical constituents were isolated and identified by means of ... -
Evaluation of Ammonia removal rate of heterotrophic bacteria isolated from Biofloc system
(International University, Vietnam, 2013)One of the main benefits of heterotrophic bacteria in bio-floc technology is high ammonia removal rate in aquaculture ponds. In this present study we identified three strains of heterotrophic bacteria that were able to ... -
Effects ionomycin and 6-demethylaminopurine on the parthenogenetic development of in vitro matured porcine oocyte
(International University, Vietnam, 2013)The aim of this study was to survey the optimal time for treatment of ionomycin and 6-dimethylamnopurine (6-DMAP) in parthenogenetic embryo activation. For ionomycin testing, matured oocyte was treated with ionomycin ... -
Effect of vitrification on viability of human immature oocytes at different stages
(International University, Vietnam, 2013)There has been a steady raise in the survival rate of female cancer patients with advances in oncology and anti-cancer therapy. The radiation and chemotherapy regimes were reported to induce premature ovarian failure, ... -
Distribution of phenolic compounds in mung bean (Vigna radiata), red bean V(igna angularis), black bean (Vigna cylindrical) and white bean (Vigna unguiculata) and their antioxidant capacity
(International University, Vietnam, 2013)Total phenolics and flavonoids of four kinds of colored beans (black bean, mungbean, red bean and white bean) grown in Vietnam were investigated. The three solvents (ethanol, methanol and acetone) and different ... -
Developing of a versatile and compact paper-based microfluidic biosensors for detection of copper in food products
(International University, Vietnam, 2013)In this contribution, a versatile, inexpensive and compact paper-based microfluidic biosensor was developed to detect heavy metals in food products. The underlying principle was based on sensing of ammonia (NH ) ... -
Assemblages of myxomycetes (slime moulds) associated with agricultural and forest floor litters in Lam Dong and Binh Duong Provinces
(International University, Vietnam, 2013)The aims of this research were to investigate assemblages of myxomycetes associated with forest floor and agricultural litters from various locations in southern Vietnam and initially study effects of medium compositions ... -
Accelerated autolysis of brewer's yeast cells for production of yeast extract powder
(International University, Vietnam, 2013)Accelerated autolysis of spent brewer’s yeast was studied by adding different accelerating agents and optimizing conditions such as temperature and pH. Protein re leased c ontent in the hydrolysate was determined by Lowry ... -
A comperative study on nitrogen removal efficiency of seaweed species (Kappaphycus alvarezii and Eucheuma denticulatum) from aquaculture wastes.
(International University, Vietnam, 2013)Seaweeds have been applied broadly in aquaculture activities. This project is to investigate a comparative study on the capacity of two seaweed species Kappaphycus alvarezii and Eucheuma denticulatum in absorbing nitrogen ... -
Total carotene, carbohydrate and lipid signal analysis of Dunaliella salina strains
(International University, Vietnam, 2014)Beta-carotene is a terpenoid pigment that is highly valuable due to its nutritional benefit as a precursor of vitamin A and its antioxidant properties. Dunaliella salina and D. bardawil (D. Salina var.bardawil) are well-known ... -
Synthesis and evaluation of gold nanoparticle conjugated with curcumin
(International University, Vietnam, 2014)Curcumin (Cur), a natural polyphenolic compound extracted from the rhizome of the herb Curcuma longa exhibits low anticancer activity in vivo due to its poor aqueous solubility and instability. As Gold nanoparticle ... -
Studying the role of different genes involving in vitro-induced multidrug resistance of Staphylococcus aureus
(International University, Vietnam, 2014)In this study, we examined gyrB, grlB which involve in flouroquinolone resistance (FQ) and norA, mecA which relate to multidrug resistance in S.aureus. Genomic DNA of seven S. aureus strains (CIP-, LEV,-OFL resistant ... -
Study on the injectable cationic hydrogel for heparin delivery
(International University, Vietnam, 2014)In recent years, injectable cationic hydrogels have been widely studied towards biomedical applications because of their potential performance in drug/cell delivery. In this study, we introduce a simple and organic ... -
Study on the effect of Siraitia grosvernori fruit extracts on polysaccharides production of Ganoderma lucidum
(International University, Vietnam, 2014)Ganoderma lucidum is a polypore mushroom of which polysaccharides have been reported to have numerous biological activities (antioxidant, antidiabetic, anti- LQÀDPPDWLRQ DQG DQWL-tumor activities). The purposes of this ... -
Study on in SITU enzyme - mediated preparation of biocompatible hydrogel composite for bone regeneration
(International University, Vietnam, 2014)Injectable chitosan-based hydrogels have been widely studied towards biomedical applications because of their potential performance in drug/cell delivery and tissue regeneration. In this study, we introduce tetronic-grafted ...