Browsing Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพ by Issue Date
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PHYTOCHEMICALS AND BIOLOGICAL ACTIVITIES OF DENDROBIUM ORCHIDS IN LIQUID CULTURE SYSTEM
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 1/7/2022)This research aimed to up scaling production of biomass and bioactive compounds from protocorm-like bodies (PLBs) of Dendrobium Sonia ‘Jo daeng’ (Thai cut-flower orchid) in static culture and twin jar temporary immersion ... -
Effects of sugar addition on recombinant protein in Escherichia coli BL21(DE3)
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 1/7/2022)Recombinant protein expression in Escherichia coli BL21(DE3) is highly effective and widely used in industrial protein production. The method to obtain higher amount of protein production need to be developed. This ... -
Effect of nitrate concentration and light on life cycle progression and astaxanthin synthesis in Haematococcus pluvialis
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 1/7/2022)This study focuses on kinetics of life cycle progression of Haematococcus pluvialis, green microalgae that can produce the highly antioxidant “astaxanthin”, through a combined experimental and mathematical modeling approach. ... -
Purification and characterization of laccase from Bacillus sp. FN1
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 1/7/2022)Laccase produced by Bacillus sp. FN1 was homogeneously purified by 60% (v/v) acetone precipitation, Sephacryl S-200 gel filtration chromatography and Q-Sepharose ion exchange chromatography. The purified laccase showed ... -
EFFECT OF SILVER NANOPARTICLES FROM POMELO PEEL EXTRACT ON BIOMASS AND TOTAL PHENOLIC CONTENT PRODUCTION OF DENDROBIUM PROTOCORM
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 1/7/2022)Biosynthesis of silver nanoparticles (AgNPs) is currently considered as an environmentally friendly method. Thus, this research aimed to biosynthesize AgNPs using green peel pomelo extract. The factors involved in AgNPs ... -
Purification and ฺBiochemical characterization of laccase from Bacillus sp.
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 10/7/2020)Laccase from Bacillus sp. strain P isolated from soil samples was purified by 60%(v/v) acetone precipitation, Q-Sepharose ion exchange and Sephacryl S-200 gel filtration chromatography. After purification, the specific ... -
Study of synthetic conditions and biological activity of selenium nanoparticles from garlic extract.
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 12/6/2020)Garlic extract contained Phenolic (3.09 ± 0.02 mg GAE / g) and Flavonoids (0.045 ± 0.01 mg CE / g) that could be a reducing agent and capping agent in the synthesis of garlic selenium nanoparticles. However, the reducing ... -
DEVELOPMENT OF LOW-COST BIOREACTOR FOR MICROPROPAGATION
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 12/7/2019)This research aimed to develop low cost bioreactors with simple operation for plant micropropagation. Three bioreactor systems including temporary immersion system bioreactor (TIS), nutrient spray bioreactor (NSB) ... -
Effect of Maturation Stage on Biological Properties of Carissa carandas
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 12/7/2019)Nutraceutical property of fruits can be depended on the stage of ripening. Hence, the objective of this study was to investigate the physical and chemical changes as well as biological activities of Carissa carandas fruit ... -
Study of thermostable protease from hyperthermophilic bacteria Fervidobacterium sp. strain FA004
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 12/7/2019)Hyperthermophiles are microorganisms that grow in high-temperature environments (80-100°C). Their thermozymes have high commercial relevance. This study aims to purify and characterize the keratinolytic protease from an ... -
Production and purification of mannooligosaccharide from copra meal
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 12/7/2019)The objectives of this research were to investigate the production and separation of mannooligosaccharides (MOS) from copra meal. The MOS mixture was enzymatically produced by endo-mannanase by commercial cocktail enzymes. ... -
Isolation and characterization of lytic bacteriophage for biocontrol of Staphylococcus aureus in milk and dairy products
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 17/8/2018)Staphylococcus aureus is one of the most virulent species in the genus Staphylococcus. The contamination of this bacterium can be frequently found, especially in milk and dairy products. Generally, chemicals and/or antibiotics ... -
Production and characterization of nano bacterial cellulose from Komagataeibacter nataicola using water from washing rice
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 17/8/2018)Bacterial cellulose (BC) produced by some bacteria receives ample of attention due to its high purity and robust cellulose that could be used in medicine and industrial practices. This study aimed to screen bacteria capable ... -
Isolation and characterization of bacteriophage specific for Staphylococcus aureus
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 17/8/2018)Staphylococcus aureus is an important pathogen that causes foodborne illness. Generally, chemicals or antibiotics have been used to control pathogenic bacteria. However, the methods mentioned above have negative effects ... -
Isolation and characterization of bacteriophages specific to Salmonella spp.
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 17/8/2018)Foodborne diseases can cause many cases of illness and death mostly because of foodborne bacterial pathogen infection. Generally, infectious patients are treated with antibiotics. However, emergence of drug-resistant ... -
Safety Assessment of Blood Bags Using Animal Cell Culture
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 18/6/2021)Blood bag is a medical device that must be safe and be acceptable according to the standard for clinical used. The imported blood bags from oversea should pass the safety assessment of ISO 10993-5 or the guideline from ... -
Efficiency of Rice Bran Extract on Prevention of Skin Cancer Induced by UVA
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 18/6/2021)UVA irradiation could induce oxidative stress, leading to accumulation of free radical and subsequently skin damaged and cancer development. Thus, antioxidant compound would be feasible to use as pharmaceutical additive ... -
Production of Polyhydroxybutyrate (PHB) from Water Hyacinth (Eichhornia crassipes (Mart.) Solms) Hydrolysate
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(Silpakorn University, 18/6/2021)Polyhydroxybutyrate (PHB) is a bioplastic which is synthesized from microorganisms and accumulated as storage granules for used as an energy reserve. PHB has properties comparable to petroleum-derived plastics, i.e. ... -
การบ่งชี้และการศึกษาคุณลักษณะของ METHYL PARATHION HYDROLASE GENE จากเชื้อ Burkholderia cepacia
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(มหาวิทยาลัยศิลปากร, 2004) -
การศึกษาแนวทางในการเพิ่มประสิทธิภาพการหมักกากน้ำตาลในโรงงาน บริษัท แสงโสม จำกัด จ.กาญจนบุรี
Collection: Theses (Master's degree) - Biotechnology / วิทยานิพนธ์ - เทคโนโลยีชีวภาพType: Thesis(มหาวิทยาลัยศิลปากร, 2004)