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Now showing items 1-20 of 560

Acidity and basicity investigation for novel derivative of salen and stabilities of their complexes with metal cations : research report

Vithaya Ruangpornvisuti (Chulalongkorn University, 2002)

Salen derivative, 4 was synthesized and studied for determination of its protonation constants by potentiometric titration. The protonation constants at 25 degree Celsius in 0.1 and 0.5 M KNO[subscript 3] are log K[subscript ...
Active Chitosan-Based Film with Antimicrobial Property for Food Packaging Application

Ubonratana Siripatrawan (Chulalongkorn University, 2010)

This research was aimed to develop an active film from chitosan film incorporated with green tea extract to enhance antioxidant and antimicrobial properties in order to be used for food shelf life extension. The experiments ...
An active compound Kempferia parviflora with inhibitory activity against GSK-3 kinase implicated in type II Diabetes and Alzheimer's disease

Chulee Yompakdee; Warintorn Chavasiri (Chulalongkorn University, 2015)

Calcium signaling pathways play pivotal roles in regulation of various important biological processes in eukaryotes ranging from yeast to human. Because of the high degree in gene conservation from yeast to human, the small ...
Analysis of volatile organic priority pollutants in water by headspace technique

Wutichai Yentongchai; Sarunya Hengpraprom; Varaporn Leepipatpiboon (Chulalongkorn University, 1994)

In this study, a headspace technique was developed for the determination of some volatile chlorinated hydrocarbons i.e, methylene chloride, chloroform, carbon tetrachloride, 1,1,1-trichloroethane and trichloroethylene in ...
The application of DNA demethylation in alteration of phenotypic, seed production, protein lipid content and fatty acid composition in soybean cultivar SJ. 5

Wichai Cherdshewasart; Winai Dahlan; Siriporn Chumruslertluk (Chulalongkorn University, 1999)

To evaluate the demethylating effects of 5-azaC on the general phenotypes, protein content, oil content and fatty acid composition at the whole plant system, soybean plants (Glycine max (L.) Merrill) var. SJ.5 have been ...
Basicity investigation and structure optimization of polyaza-Calixarenes and stabilities of their complexes with metal cations

Vithaya Ruangpornvisuti (Chulalongkorn University, 2000)

The structure of 25, 26, 27, 28-tetra(2-ethoxyaniline)calix[4]arene of cone (cL) and partial cone (pcL) conformations were optimized by PM3 of quantum chemical method. It has been found that cL structure is more stable ...
Cation vacancy defect in modified barium titanate ferroelectric ceramics

Natthaphon Raengthon (Chulalongkorn University, 2021)

Development of advanced technologies for electronic applications, particularly aiming to increase energy efficiency and sustainability, are increasing in demand for regular usage. A majority of this development involves ...
Chemical immunosuppression from Clausena harmandiana (Pierre) : Research report (completed)

Chulee Yompakdee; Boon-ek Yingyongnarongkul (จุฬาลงกรณ์มหาวิทยาลัย, 2014)

วิถีการส่งสัญญาณแคลเซียมมีบทบาทสำคัญในการควบคุมกระบวนการทางชีวภาพมากมายในยูคาริโอต ตั้งแต่ยีสต์ จนถึงมนุษย์ สารออกฤทธิ์ยับยั้งวิถีการส่งสัญญาณดังกล่าวในมนุษย์ มีประโยชน์ต่อทางการแพทย์เป็นอันมาก สารยับยั้งเหล่านี้ได้แก่ ...
Conformational diversity of cyclodextrins for applications in food and pharmaceutical industries : Research report (completed)

Supot Hannongbua (Chulalongkorn University, 2015)
Controlled degradation of natural rubber by microparticles containning titanium dioxide

Vipavee P. Hoven; Tanaka, Yasuyuki; Narisa Na Lumpoon; Jittima Deeprasertwong (Chulalongkorn University, 2004)

Photooxidative degradation of natural rubber by of titanium dioxide (TiO2) under accelerated ultraviolet light and sunlight was investigated. Degradation of unvulcanized natural rubber both in solution phase and solid phase ...
Cooperative small-molecule activation toward sustainable catalysis

Pannee Leeladee (Faculty of Science, Chulalongkorn University, 2018)

In this research, a series of copper complexes containing polypyridyl ligands were designed to study the influence from ligands, nuclearity, solvents and secondary coordination on reactivity toward small-molecule activation. ...
Development of products from Mae Moh flue-gas gypsum

Supatra Jinawath (Chulalongkorn University, 1999)

The flue-gas desulfurization gypsum (FGD gypsum) from Mae Moh power station is characterized for its physical and chemical properties, precleaned by acid leaching and sedimentation to light coloured powder which is later ...
Effect of lead on human erythroid precursor cells

Suganya Soontaros; Wenika Benjapong; Ahnond Bunyaratvej; Kovit Pattanapanyasat (Chulalongkorn University, 2002)

The mechanism of lead toxicity in human erythroid precursor cells (EPCs) is the main aim of this research. Abnormal development of EPCs, the imma red blood cells, may involve with lead induced anemia. Human EPCs, the model ...
Effect of transgenic expression in rice of a calmodulin on salt stress response

Teerapong Buaboocha; Supachitra Chadchawan (Chulalongkorn University, 2009)

Calcium signaling has been implicated in transducing signals from environmental changes into adaptive responses in plants. Calmodulin (CaM), members of the EF-hand family of Ca2+-binding proteins, represent important relays ...
Elucidation of the structural and molecular properties of levan oligosaccharides of various chain lengths

Surasak Chunsrivirot (Faculty of Science, Chulalongkorn University, 2017)
Ethanol productivity optimization by molasses-cassava waste pulp mixture fermentation

Ancharada Akaracharanya (Chulalongkorn University, 2016)

Molasses was co-fermented with cassava waste pulp (CWP) hydrolysate to ethanol by Saccharomyces cerevisiae TISTR 5606 (SC 90) for economic optimization. The optimal condition found for ethanol production from the mixture ...
Expression of novel fusion proteins IL2/FU-MK-1-scFv in microorganism-host cells and its potential anti-tumor activities as a cytotoxic immunotherapy agent for FU-MK-1 expressing tumors

Suchada Chanprateep Napathorn; Tanapat Palaga (Chulalongkorn University, 2012)

MK-1, the target molecule of FU-MK-1, is encoded by the GA733-2 gene, which is currently being used as a target in clinical trials for gastric, intestinal, and biliary cancer treatment with monoclonal antibodies. Here, two ...
Fabrication of porous calcium phosphates

Supatra Jinawath (Chulalongkorn University, 2002)

The starting materials for this experiment were monocalcium phosphate monohydrate, dicalcium phosphate dihydrate and anhydrous dicalcium phosphate synthesized in-house from the by-product of a local bone-gelatin manufacture. ...
Final report : Project : Production of yeast cell oil from sugar cane leaves for biodiesel production

Ancharida Savarajara (Chulalongkorn University, 2018)

The xylose utilizing oleaginous yeasts Cryptococcus humicola NG2, Cyberlindnera subsufficiens NG8.2, Rhodotorula mucilaginosa MG11-2.3 and Yarrowia NG17 were newly isolated. Yarrowia NG17 had the highest accumulated oil ...
Hydrodynamic of mixed-feed in circulating fluidized bed

Suchaya Nitivattananon (Chulalongkorn University, 2009)

The research was conducted in a circulating fluidized bed having diameter and height of riser of 5 and 200 cm., respectively, at ambient temperature and pressure. The objective was to study hydrodynamics of mixed-feed ...

Now showing items 1-20 of 560

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