Biotechnology: Recent submissions
Now showing items 1201-1220 of 1320
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The study of the effect of some processing food formula to the survival and the growth rate of mud crab (Scylla paramamosain) at megalopa stage
(International University HCMC, Vietnam, 2012)The aims of the study were to identify nutritional values of diets that available in Khanh Hoa Province, especialy in RIA3 to produce first crabs (C1) from megalopae (M). Three trials for rearing mud crab (Scylla paramamosain) ... -
The effects garlic oil on growth rate and cumulative mortality of Asian sea bass fingerlings (Lates calcarifer bloch, 1790) challenged with acute ammonia toxicity
(International University HCMC, Vietnam, 2012)Disease has been the major cause for mass mortality of fingerlings of the Asian seabass. Fish is disadvantaged and becomes susceptible to disease when living in stressful conditions such as ammonia environments. This ... -
Study on the culture conditions for the protease production by Aspergillus unguis and penicillium citrinum
(International University HCMC, Vietnam, 2012)Aspergillus unguis and Penicillium citrium were isolated from weasel coffee and had been studied for pectinase and cellulose production before. Protease is one of three largest groups of enzyme that affect to the aroma of ... -
Moderate electric field (MEF) assisted extraction of anthocyanins from purple - fleshed sweet potato
(International University HCMC, Vietnam, 2012)Moderate electric field (MEF) assisted extraction of anthocyanins from purple - fleshed sweet potato -
Isolation of cancer stem cells by verapamil selection from 4T1 mouse mammary cancer cell line
(International University HCMC, Vietnam, 2012)In breast cancer, the tumor relapse and metastasis are the reasons for the ineffectiveness treatment of traditional therapy. Growing evidences suggest that cancer stem cells (CSCs) are responsible for this tumor progression. ... -
Isolation and optimization of pure culture of bacillus subtilis, bacillus megaterium, bacillus pumilus - Collected from commercial shrimp ponds
(International University HCMC, Vietnam, 2012)Commercial probiotics used for water quality management in shrimp farming often contain Bacillus spp. The aim of this study is to isolate Bacillus subtilis, Bacillus megaterium and Bacillus pumilus ... -
Isolation and optimization of bacillus amyloliquefaciens, bascillus cereus, and lactobacillus plantarum
(International University HCMC, Vietnam, 2012)Attempts were made to optimize bacterial growth in pure cultures of Lactobacillus plantarum, Bacillus cereus, Bacillus amyloliquefaciens. These bacteria were isolated from shrimps’s intestine, water samples from shrimp ... -
Investigation of acid - activated Lam Dong bentonite as adsorption materials for biodiesel purification
(International University HCMC, Vietnam, 2012)In this study, calcium bentonite obtained from Lam Dong (Vietnam) was treated by hydrochloric acid in an attempt to improve its adsorption capacity in biodiesel purification. The acid treatment is found to enhance the ... -
Impedance measurement : A rapid and non - invasive approach for monitoring pork meat quality during storage
(International University HCMC, Vietnam, 2012)This study investigated correlations between impedance and some bio-indicators of meat freshness, namely total aerobic count (TAC), total volatile base nitrogen (TVB-N) and pH during storage at 4oC. Critical factors ... -
How does islet amyloid polypeptide switch on/off its activity? A sum frequency generation study on this phenomenon
(International University HCMC, Vietnam, 2012)Islet amyloid polypeptide (IAPP or amylin) is a 37-residue peptide secreted with insulin by beta cells in the islet of Langerhans. The aggregation of the peptide into either amyloid fibers or small oligomers has ... -
Evaluation of local soybean varieties for root and shoot growth and architecture
(International University HCMC, Vietnam, 2012)This study was carried out to evaluate the root and shoot growth and architecture of local soybean varieties under normal and dehydration treatments in order to select the most drought resistant and the most drought sensitive ... -
Evaluation of local soybean varieties for root and shoot growth and architecture
(International University HCMC, Vietnam, 2012)This study was carried out to evaluate the root and shoot growth and architecture of local soybean varieties under normal and dehydration treatments in order to select the most drought resistant and the most drought sensitive ... -
Evaluation of antibacterial activity of Vietnam's caesalpinia sappan linn
(International University HCMC, Vietnam, 2012)Ethanol extract of bark of Caesalpiniasappan Linn was examined for its antibacterial activity against Staphyloccocusaureus (S.aureus), Escherichia coli (E.coli)and Salmonella typhi (S.typhi). The assay was carried out by ... -
Effect of salinity on growth performance of tra catfish fingerlings (Pangasianodon hypophthalmus)
(International University HCMC, Vietnam, 2012)Tra catfish (Pangasianodon hypophthalmus) is an important aquaculture species in Vietnam. The aim of the current study was to assess the growth performance of P. hypophthalmus fingerlings under different salinity conditions. ... -
Comparative study on sperm quality aftr two sperm preparation techniques for intra-uterine insemination in case of normozoospermic samples
(International University HCMC, Vietnam, 2012)The objectives of this study was to compare the sperm quality selected after two sperm preparation techniques for intra-uterine insemination (IUI) in case of normozoospermic samples: sperm direct swim up and sperm ... -
Adensity functional theory study of water ga shift reaction on ZnO (1010) surface
(International University HCMC, Vietnam, 2012)The carboxyl mechanism of the water gas shift reaction on the ZnO (1010) surface was initially investigated using the density functional theory (DFT) with the generalized gradient approximation–Perdew-Wang ... -
Comparatives study on sequence structure function relationship of human short -chain dehydrogenases/reductases
(International University HCMC, Vietnam, 2013)The human short-chain dehydrogenases/reductases (SDRs) family has been the subject of many recent studies due to their crucial roles in the human body. There are a growing number of single-nucleotide polymorphisms ... -
Chemical composition antioxidant and antimicrobial activities of essential oils extracted from citrus varieties in VietNam
(International University HCMC, Vietnam, 2013)Essential oils (EOs) are complex mixtures of biologically active substances used since a long time as flavoring agents and preservatives of a number of commercial products. The important characteristics of ... -
White pepper fermentation by aspergillus unguis and wickerhamomyces edaphicus : optimized fermented conditions
(International University Ho Chi Minh City, Vietnam, 2012)Aspergillus species are considered as an abundant supply of enzymes, especially pectinase and cellulase enzymes which have a broad application in skin peppers removal of black pepper. A.unguis and W.edaphicus ... -
Supercritical CO2 extraction of oleoresin from black pepper (piper nigrum) and antioxidant activity of the oleoresin
(International University Ho Chi Minh City, Vietnam, 2011)The supercritical fluid extraction (SFE) method was used to extract oleoresin from ground black pepper (Piper nigrum), using carbon dioxide fluid as main solvent. The raw material was tested to determine the moisture ...