Chunjing Zhang

A rapidly assembled ZnS–AB electrochemical sensor enables efficient detection of luteolin, featuring a wide linear range (0.0010–0.21, 0.21–3.7, and 3.7–28 μM) and an ultralow detection limit of 0.0003 μM.

The sensor for epinephrine shows a broad detection range across two segments: 3–80 µM and 80–239 µM, with a limit of detection of 0.39 µM. Furthermore, this sensor was applied to determine epinephrine in human serum samples.

A molecularly imprinted sensor for quercetin shows a wide detection range of 53–460.5 μM with a limit of detection of 0.11 μM. The sensor was also applied to human serum samples to determine quercetin exhibiting good recovery of 99.04–103.85%.

Leveraging the alkaline stability of SiW ₁₁ , we successfully synthesized stable SiW ₁₁ @ZIF-67 and ZIF-67@SiW ₁₁ composite materials. Both of them exhibited excellent adsorption performance in alkaline environments.

Highly efficient and stable trimetallic sulfide MoS₂/Ag₂S/NiS/NF electrocatalysts are reported, demonstrating a low overpotential and a Tafel slope.

A novel C-MoO ₃ -NiO ₂ /NF electrode derived from polyoxometalate and rice is obtained and provides a new strategy for the development of high-performance supercapacitors.

Molecular imprinting is an advanced technology in the fabrication of novel chemical sensors recently applied, enabling rapid responses and highly selective binding to specific molecules, thereby enabling efficient detection of material constituents. In this study, a new molecularly imprinted electrochemical sensor (MIES) utilizing ferrocene‐functionalized carbon‐nanotubes (Fc‐CNTs) was developed for the determination of tryptophan (Trp). The formation of molecularly imprinted polymer (MIP) involves polymerization in dimethyl sulfoxide (DMSO) using Trp, methacrylic acid (MAA) and ethylene glycol dimethacrylate (EGDMA) as the template molecules, functional monomers, and cross‐linking agents, respectively. Due to the modification of MIPs, the sensor achieves high performance. The sensor demonstrates a linear range from 1 to 45 μM and from 45 to 330 μM, with the limit of detection of 0.44 μM, exceeding that of the majority of sensors reported in the literature. Furthermore, the sensor can effectively detect Trp in real samples, including human serum and amino acid oral liquid. The recovery rate of Trp in human serum samples is 94.2 % to 105.30 %, and in amino acid oral liquid is 94.3 % to 101.68 %. This study provides a promising approach for the effective detection and analysis of tryptophan constituents.