Polymer-based nanocomposites have attracted a lot of attention for amperometric biosensor development due to their general physical and chemical properties including biocompatibility, film-forming ability, stability and different functional groups that can be bonded with other biomolecues. In this study, poly-4-vinlyridine homopolymer (P4VP) and polylactic acid-block-poly(2-vinylpyridine) block copolymer
Nanokomposit polimer bagi pembangunan biosensor amperometrik menarik banyak perhatian kerana sifat fizikal dan kimia am mereka termasuk keserasian-bio, keupayaan pembentukan filem, kestabilan dan bergantung kepada kumpulan berfungsi yang berkemampuan untuk terikat dengan biomolekul lain. Dalam kajian ini, poli-4-vinilpiridin (P4VP) dan polilaktik asid-blok-poly (2-vinilpiridin) (PLA-b-P2VP) telah digunakan untuk dihibridkan dengan prekursor emas berdasarkan gabungan antara nitrogen kumpulan piridin daripada P4VP atau P2VP blok dengan prekursor emas (Au 3+
The South-to-North Water Diversion Project’s Eastern Route (SNWDPC-ER) has drawn a lot of attention as one of China’s most significant water diversion projects. This study calculated the water quality index (WQI) to analyze the spatial and temporal characteristics of water quality in the study area as well as the effects of water diversion, and developed the minimum water quality index (WQImin) model based on stepwise multiple linear regression, using data from 56 monitoring stations along the delivery canal of the SNWDPC-ER (the SNWDPC-delivery ER’s canal) from 2014 to 2018. Here are the findings: (1) The water quality state was rated as “good” and the annual average value of WQI climbed year over year along with improvements in water quality. (2) There was a clear difference in water quality across time and space, with autumn having better water quality than other seasons and the south having better water quality than the north. (3) Water quality is impacted by water diversion; throughout the era of diversion, water quality was steadier. (4) The weighted WQImin model, which is a quick and inexpensive way to assess water quality, can be used to evaluate the water quality in the SNWDPC-delivery ER’s canal. The model’s parameters are DO, NH3-N, BOD5, and TN.
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