Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Longfei Cai"'
Publikováno v:
ACS Omega, Vol 5, Iss 30, Pp 18935-18940 (2020)
Externí odkaz:
https://doaj.org/article/9773801765194ff59b44ca2e17f55ec2
Publikováno v:
Royal Society Open Science, Vol 7, Iss 3 (2020)
We described an instrument-free method for quantitative analysis of the total content of tea polyphenols by measurement of the length of a coloured band. Polyphenols react with ferrous ions to form a colourless ferrous-polyphenols complex on cotton t
Externí odkaz:
https://doaj.org/article/97ea3e2e416244f89a2d5a41ceae22fc
Publikováno v:
AIP Advances, Vol 8, Iss 10, Pp 105016-105016-7 (2018)
We described a facile method for distance-based detection of aluminum on a thread based on the adsorption of formed complex onto thread. Chrome azurol S (CAS) containing Cetyltrimethylammonium Bromide (CTMAB) were used as chromogenic reagent, which r
Externí odkaz:
https://doaj.org/article/3ccf64bb029743dd948247f63cfcdf41
Publikováno v:
AIP Advances, Vol 7, Iss 8, Pp 085214-085214-8 (2017)
We presented a distance-based detection method for visual quantification of mercury ions on a microfluidic paper-based analytical device (μPAD). Dithizone in NaOH solution was used as chromogenic reagent and deposited onto paper channel delimited by
Externí odkaz:
https://doaj.org/article/e39d5d7c9556480fbb313cfdd80fa7ef
Publikováno v:
Journal of Chemical Education. 100:1997-2002
Publikováno v:
Journal of Chemical Education. 100:1597-1602
Autor:
Junsheng Huang, Longfei Cai
Publikováno v:
Journal of Chemical Education. 99:3607-3612
Autor:
Chunxiu Xu, Guoxing Zhou, Huihui Cai, Yicong Chen, Ling Huang, Longfei Cai, Jiaye Gong, Zankai Yan
Publikováno v:
ACS Omega. 7:20383-20389
We developed a novel strategy for modification of paper cellulose with water-insoluble oxidants for distance readout of reducing substances on microfluidic paper-based analytical devices (μPADs). Water-insoluble oxidants were formed and modified ont
Autor:
Zankai Yan, Hui Pan, Minghua Zhong, Junsheng Huang, Huaiying Zhang, Heyun Lai, Nailin Ren, Longfei Cai, Dongxian Ke, Manbin Lin
Publikováno v:
Journal of Chemical Education. 98:1448-1453
Given the big gap between rural areas and cities and developed areas of China in basic education, it is of great significance to train a large number of excellent teachers for basic education in the vast rural areas so as to boost basic education the
Publikováno v:
Journal of Chemical Education. 97:1566-1571
We developed a comprehensive training module for the undergraduates majoring in chemical education with a simple microfluidic experiment. The students were required to read a scientific reference o...