Sompornpailin, Kanokporn

Preferred name

Sompornpailin, Kanokporn

Main Affiliation

College of Innovation and Industrial Management

Email

kanokporn.so@kmitl.ac.th

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Increasing plant flavonoid biomaterials in response to UV-A light
(2013-10-29)
Kanthang, Supha
;
Sompornpailin, Kanokporn
Flavonoid biomaterials have a protecting function from various stresses. We examined the flavonoid biosynthesis in plant treated under visible light (VL) and additional UV-A light. The transgenic tobacco containing PRODUCTION OF ANTHOCYANIN PIGMENT 1 (PAP1) cDNA, involved in flavonoid biosynthesis from Arabidopsis thaliana, were used for studying the flavonoid biosynthesis under both light conditions comparing to non transgenic tobacco. The flavonoid biomaterials were extracted with acidic methanol and water solvent from treated plant leaves. The absorbance of each biomaterial in the extract was measured under specific wavelength using a spectrophotometer. Additional UV-A radiated to non transgenic and transgenic tobacco affect the increasing of p-coumaric acid, naringenin, apigenin and kaempherol biomaterials from themselves grown under VL (approximately 120-130%). However, PAP1 transgenic tobaccos under additional UV-A radiation enhance the accumulation of these biomaterials up to160-180% higher than non transgenic tobaccos grown under VL condition. Moreover, PAP1 transgenic tobacco radiated with UVA light also significantly increased pelargonidin biomaterial. PAP1 transgenic tobaccos had a similar phenotype with non transgenic tobaccos but the color of fully expanding flower was more pink intensity than non transgenic. © (2013) Trans Tech Publications, Switzerland.
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Titanium dioxide nanoparticles in nutrient solution for enhancement of power density generated from plant fuel cell
(2021-09-15)
Sompornpailin, Kanokporn
;
Siri, Saranrat
Plants have ability to convert solar energy into chemical energy in photosynthetic process to produce their own food. Under this process, chlorophyll molecules in plant cell are excited and cascade transferring a high energy electron to the accepters, therefore the electrical currents are generated in this plant system. This current is thinking as the alternative power resources in the future. Titanium dioxide (TiO2) is widely used in photocatalysis in semiconductors because of large bandgap polymorphs of this particles. This substance enhances an absorbing light of different wavelengths owing to their electronic structure. In this experiment, TiO2 nanoparticles are added up into different concentrations of nutrient solution under plant fuel cell system, in order to study the generation of electric power. The cathode and anode electrodes, in the system were zinc steel and polypropylene mixed with CNTs. Electrical potentials and currents of plant fuel cell system with TiO2 are detected and recorded in comparison to that of system without TiO2. Plant fuel cell system, adding TiO2 nanoparticles enhances the current density and voltage in comparison to the non TiO2 system, depending on the concentration of nutrient solution medium and detection time. TiO2 nanoparticle adding in liquid nutrient of plant fuel cell enhance the electric power density, because this particle may improve an absorption of light radiation. The process may increase the oxidation of water and soluble nutrients which escalate the level of total ionic charges in the fuel system. The charges were separated and transferred to the specific electrodes that will be affected on power density generating from the fuel cell system.