Progress on Dot-Blot Assay as a Promising Analytical Tool: Detection from Molecules to Cells

Surti, Parini; Kim, Min Woo; Phan, Le Minh Tu; Kailasa, Suresh Kumar; Mungray, Arvind Kumar; Park, Jong Pil; Park, Tae Jung

doi:10.2139/ssrn.4027925

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“…bending vibrations are at around 3443 and 1648 cm −1 , respectively. 44 There is an appreciable increase in the intensity of the OH peak in HCl-Vm in comparison to Vm, which is due to the abundance of Si−OH due to acid activation of Vm. The functionalization of HCl-Vm with imidazole decreased the OH intensity, which is due to the utilization of this group in binding with the carboxylic group of imidazole-2-carboxylic acid to yield Im-Vm.…”

Section: Resultsmentioning

confidence: 97%

Development of a Novel Composite Polymer Electrolyte Membrane for Application as a Separator in a Dual Chamber Microbial Fuel Cell

Surti,

Kailasa,

Mungray

2024

Ind. Eng. Chem. Res.

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The quest for developing sustainable energy devices has put microbial fuel cells (MFCs) at the forefront of research in recent years. However, the use of synthetic polymer electrolyte membranes (PEMs) such as Nafion is a compromise in the sustainability of this technology. A novel eco-friendly composite PEM has been developed using poly(vinyl alcohol) (PVA) and k-carrageenan (kC) as membrane precursors. Cation exchangers such as vermiculite and imidazole-grafted vermiculite were augmented to the base membrane PVA-kC for developing PEM, called VPC and IPC, respectively. The proton mass transfer of VPC and IPC increased by 57 and 38%, while their oxygen mass transfer decreased by 45 and 44%, respectively, with respect to PVA-kC. Double-chambered MFCs were deployed with the developed PEMs, namely, PVA-kC (PMFC), VPC (VMFC), IPC (IMFC), and commercial Nafion (NMFC), for synthetic wastewater treatment in the aerated cathode configuration and dye decolorization with a ferricyanide cathode. The highest power density of 182 mW•m −3 was obtained with VMFC, followed by IMFC (164 mW•m −3 ), NMFC (145 mW•m −3 ), and PMFC (128 mW•m −3 ), in the aerated cathode MFC. The decolorization percentage increased in the order of PMFC (49%) < NMFC (55%) < IMFC (58%) < VMFC (65%). The cation-exchanger-augmented PVA-kC membrane can be used as a suitable alternative to Nafion in MFCs.

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Section: Resultsmentioning

confidence: 97%