Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Tzu-Hsing Ko"'
Publikováno v:
BioResources, Vol 19, Iss 3, Pp 5031-5046 (2024)
Biosynthesis of metal nanoparticles is a cost-effective and environmentally friendly technology. In the present study, copper nanoparticles (CuNPs) were synthesized using white tea leaf extracts. They were then characterized for their chemical struct
Externí odkaz:
https://doaj.org/article/eaa3ec40ea1b4688a7ae7f06ccef91d1
Publikováno v:
Water Reuse, Vol 14, Iss 2, Pp 160-176 (2024)
Green synthesis of nanoparticles (NPs) is considered a highly promising technology for materials. The use of plant-based NPs is the simplest with high reproducibility. Iron nanoparticles (Fe-NPs) were synthesized by pruned tea leaf extract and FeSO4
Externí odkaz:
https://doaj.org/article/171a0c42665848b4b5af1cef6d8d7655
Autor:
Xiyao Liu, Yilin Wu, Wenchang Zhao, Zhuanrong Wu, Hua Han, Zhenbang Xie, Murat Yilmaz, Tzu-Hsing Ko
Publikováno v:
BioResources, Vol 18, Iss 3, Pp 6364-6383 (2023)
Decolorization of malachite green (MG) from the aqueous phase was investigated using tea stalk powder. The adsorption efficiency decreased with the initial MG concentration, ionic strength of the solution, and heavy metal content. A suitable initial
Externí odkaz:
https://doaj.org/article/0fc5f37a4cf0436dad6046be9ef964be
Autor:
Tzan-Chain Lee, Qian-Nan Zang, Kuan-Hung Lin, Hua-Lian Hu, Ping-Yuan Lu, Jing-Yao Zhang, Chun-Qin Kang, Yan-Jie Li, Tzu-Hsing Ko
Publikováno v:
Journal of Chemistry, Vol 2022 (2022)
Tea pigments consisting of theabrownins (TBs), theaflavins (TFs), and thearubigins (TRs) affect the color and taste of tea. TBs include a variety of water-soluble compounds, but do not dissolve in n-butanol and ethyl acetate. Previously, the traditio
Externí odkaz:
https://doaj.org/article/2300e960637f4b41895c3826e442ca7f
Autor:
Chengshun Liu, Xiyao Liu, Yilin Wu, Zhuotong Chen, Zhuanrong Wu, Shumao Wang, Hua Han, Zhenbang Xie, Yixuan Wang, Tzu-Hsing Ko
Publikováno v:
Bioinorganic Chemistry and Applications, Vol 2021 (2021)
Nanostructure CeO2 powders were synthesized using tea waste extract as gel precursor. The as-prepared samples were characterized by thermogravimetric analyzer (TGA), X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spe
Externí odkaz:
https://doaj.org/article/2d90e04483cf43c4a5eff5fa9af4390b
Autor:
Lingwen Chen, Xi Guan, Jingying Zhuo, Hua Han, Munishi Gasper, Batoai Doan, Jiangfan Yang, Tzu-Hsing Ko
Publikováno v:
Journal of Food Quality, Vol 2020 (2020)
The purpose of this study is to investigate the effects of demographic variables on tea consumption in China. A total of 12,745 samples collected from the China Health and Nutrition Survey in 2011 and a double hurdle model were used to analyze the ef
Externí odkaz:
https://doaj.org/article/b261655edb64447c87e2ec2fa9723d8b
Autor:
Dongyi Lin, Fan Wu, Yuqun Hu, Tingzhong Zhang, Chengshun Liu, Qiangda Hu, Yunfei Hu, Zhihui Xue, Hua Han, Tzu-Hsing Ko
Publikováno v:
Journal of Chemistry, Vol 2020 (2020)
Waste black tea powder was used as a potential adsorbent to remove methylene blue (MB) from aqueous solution. Several operating factors in adsorption of MB onto waste black tea powder were investigated, including contact time, initial MB concentratio
Externí odkaz:
https://doaj.org/article/c8b0a65e9ab24495829e8b8ccb6c9504
Autor:
Tzan-Chain Lee, Shumao Wang, Zonggui Huang, Zhongxing Mo, Gangxing Wang, Zhuanrong Wu, Chengshun Liu, Hua Han, Tzu-Hsing Ko
Publikováno v:
Advances in Materials Science and Engineering, Vol 2019 (2019)
The potentiality of tea stem for the adsorption of methylene blue (MB) from aqueous phase was investigated. A series of operating factors, including the initial MB concentration, contact time, pH of solution, dose of tea stem, and ionic strength of s
Externí odkaz:
https://doaj.org/article/5a9c702af2f544e68d5bd4dbb80ad61f
Autor:
Yunfei Hu, Yue Zhang, Yuqun Hu, Chen-Yao Chu, Jinke Lin, Shuilian Gao, Dongyi Lin, Jing Lu, Ping Xiang, Tzu-Hsing Ko
Publikováno v:
Journal of Chemistry, Vol 2019 (2019)
Tea powder, a biosorbent prepared from wasted oolong tea, was collected as a prospective adsorbent for the adsorption of methylene blue (MB) from aqueous solution. The effect of factors on adsorption efficiency, isotherms, kinetics, and potential mec
Externí odkaz:
https://doaj.org/article/e89ae820a1514b1e88ac8ad97fb8b300
Autor:
Chen-Yao Chu, Tzu-Hsing Ko
Publikováno v:
Journal of Chemistry, Vol 2018 (2018)
Heavy metal-contaminated soils were leached with various acid reagents, and a series of treatments was assessed to understand soil fertility after acid leaching. Aqua regia digestion and a five-step sequential extraction procedure were applied to det
Externí odkaz:
https://doaj.org/article/22c84fc94bb749be971253603484adc3