Development of biopolymer and conducting polymer-based optical sensors for heavy metal ion detection

NSM Ramdzan, YW Fen, NAA Anas, NAS Omar… - Molecules, 2020 - mdpi.com
Great efforts have been devoted to the invention of environmental sensors as the amount of
water pollution has increased in recent decades. Chitosan, cellulose and nanocrystalline …

Polypyrrole: A reactive and functional conductive polymer for the selective electrochemical detection of heavy metals in water

M Lo, N Ktari, D Gningue-Sall, A Madani, SE Aaron… - Emergent …, 2020 - Springer
The last two decades have witnessed attractive, innovative aspects of conductive polymers
(CPs) in monitoring environmental pollution. In this regard, CP-based electrode materials …

Capillary flow-driven microfluidics combined with a paper device for fast user-friendly detection of heavy metals in water

P Aryal, E Brack, T Alexander, CS Henry - Analytical Chemistry, 2023 - ACS Publications
Human exposure to heavy metals is a concerning global problem because of its detrimental
effect on our health and ecosystem. Assessing the levels of these metals is cost-and labor …

Highly selective simultaneous determination of Cu (II), Co (II), Ni (II), Hg (II), and Mn (II) in water samples using microfluidic paper-based analytical devices

P Kamnoet, W Aeungmaitrepirom, RF Menger… - Analyst, 2021 - pubs.rsc.org
A new paper-based analytical device design was fabricated by a wax printing method for
simultaneous determination of Cu (II), Co (II), Ni (II), Hg (II), and Mn (II). Colorimetry was …

Rhodamine functionalized cellulose for mercury detection and removal: A strategy for providing in situ fluorimetric and colorimetric responses

M Li, S Zhang, P Zhang, K Qin, B Xu, J Zhou… - Chemical Engineering …, 2022 - Elsevier
A new cellulose-based material as adsorbent was prepared for Hg (II) detection and removal
from aqueous solution. Rhodamine moiety was conjugated with cellulose as an efficient …

Fill, Fold, Photo: Preconcentration and Multiplex Detection of Trace Level Heavy Metals in Water

P Aryal, J Boes, E Brack, T Alexander, CS Henry - ACS sensors, 2024 - ACS Publications
Heavy metal contamination is an increasing global threat to human and environmental
health, particularly in resource-limited areas. Traditional platforms for heavy metal detection …

Enzymatic construction of quinine derivative of dextrin/PVA based hybrid gel film for the simultaneous detection and removal of copper and lead ions in real water …

AK Sharma, BS Kaith, A Singh, K Chandel - Chemical Engineering …, 2020 - Elsevier
The research work carried out involves synthesis of quinine derivatized hydrogel film (Q-gel
film) based on dextrin and Polyvinyl alcohol hybrid mixture. The maximum percentage …

Synthesis, spectral characterization, DFT-computational analyses on Novel 4-nitrobenzenaminium benzenesulfonate (4NBASA) crystal

JI Ahamed, K Narendran, VR Ambika, R Priya… - Journal of Molecular …, 2022 - Elsevier
Abstract Novel 4-nitrobenzenaminium benzenesulfonate (4NBASA) was synthesized and
evaluated using Fourier Transform Infrared (FTIR), 1H and 13C Nuclear Magnetic …

Remarkable fluorimetric response and colorimetric sense on the mercury deionization in aqueous solution by a new adsorbent based on chitosan

M Li, G Xiong, Y Zhang, X Yu, Q Cao, H Xiao - European Polymer Journal, 2020 - Elsevier
Rhodamine chromophore was introduced into a chitosan based adsorbent developing for
Hg (II) detection and removal in aqueous solution. The adsorbent displayed highly sensitive …

“Soft–hard” strategy to construct a pyrazine sulfonic acid copper (II) supramolecular structure and a study of its fluorescent property

Z Zheng, P Xu, Y Jiang, YJ Liang, JX Li - Journal of Structural Chemistry, 2021 - Springer
The design and synthesis of functional heterocyclic sulfonic acid polymers would provide
much help in studying the coordination behavior, structural optimization, and application of …