Biosynthesis, characterization, and determination of trace hydrogen peroxide of Organo-Cr(III) nanoparticles by Lysinibacillus sp. 4H
Source abstract
Abstract
The mechanism of microbial reduction of Cr(VI) has been widely reported; however, only a few studies have focused on Cr(VI) reduction products. In this study, a green synthetic pathway for the biosynthesis of Organo-Cr(III) nanoparticles using Lysinibacillus sp. 4H was investigated, and some properties of these nanoparticles were characterized, based on analysis using X-ray photoelectron spectroscopy, electron paramagnetic resonance spectroscopy, Fourier transform infrared spectroscopy, and scanning electron microscopy, among other techniques. The analyses revealed that the reduction product induced by Lysinibacillus sp. 4H may be amorphous Organo-Cr(III) nanoparticles with an irregular spherical structure (20–90 nm). Thermal characterization of the nanoparticles showed that they maintain a high residual mass (50.45%) at 700 °C, indicating high stability. In addition, the nanoparticles were capable of detecting trace amounts of hydrogen peroxide (H2O2), owing to their redox properties, such that the corresponding H2O2 concentrations could be accurately determined in a range of concentrations. This study provided novel insights and strategies regarding the use of nanoparticles to detect trace hydrogen peroxide concentrations in multiple fields.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced Nanomaterials in Catalysis · Nanoparticles: synthesis and applications · Electrochemical sensors and biosensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Biomass Science and Engineering, Sichuan University 1 , Chengdu 610065, People’s Republic of China
Key Laboratory of Leather Chemistry and Engineering (Sichuan University), Ministry of Education 2 , Chengdu 610065, People’s Republic of China
Funding
Major Scientific and Technological Achievements Transformation Project of Sichuan Province · Enzyme Resources Sharing and Service Platform of Sichuan Province
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