AI Article Synopsis
- The study focuses on using nonpathogenic, extremophile bacteria, specifically Halomonas elongata and Salinicoccus iranensis, to safely synthesize selenium nanoparticles (SeNPs).
- Optimization for SeNP biosynthesis was achieved under specific conditions, yielding spherical nanoparticles sized between 30-100 nm, confirmed through various analytical techniques like UV-Vis and TEM.
- The research concludes that these halophilic bacteria are ideal for nanoparticle production due to their resilience and the biological method’s advantages of effectiveness, flexibility, and low cost.
Article Abstract
Background: In the biological method, using nonpathogenic and extremophile bacteria systems are not only safe and highly efficient but also a trump card for synthesizing nanoparticles. Halomonas elongata QW6 IBRC-M 10,214 (He10214) and Salinicoccus iranensis IBRC-M 10,198 (Si10198), indigenous halophilic bacteria, can be used for synthesizing selenium nanoparticles (SeNPs).
Methods: SeNP biosynthesis was optimized in two halophilic bacteria and characterized by UV-Vis, Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), field emission scanning electron microscopy (FESEM), X-ray powder diffraction (XRD), zeta potential, and energy dispersive X-ray (EDX).
Results: Optimized conditions for synthesizing SeNPs was at 300 °C at 150 rpm for 72 h and 6 mM or 8 mM concentration of NaSeO. UV-Vis indicated a sharp absorption peak at 294 nm. Spherical-shaped nanoparticles by a diameter of 30-100 nm were observed in FESEM and TEM microscopy images. The produced SeNPs were identified by a peak in FTIR spectra. In XRD analysis, the highest peak diffraction had a relationship with SeNPs. The zeta potential analysis showed SeNP production, and elemental selenium was confirmed by EDX.
Conclusions: Halophilic bacteria, owing to easy manipulation to create optimization conditions and high resistance, could serve as appropriate organisms for the bioproduction of nanoparticles. The biological method, due to effectiveness, flexibility, biocompatibility, and low cost, could be used for the synthesis of reproducible and stable nanoparticles.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10504756 | PMC |
| http://dx.doi.org/10.1186/s13065-023-01034-w | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
The hidden role of heterotrophic bacteria in early carbonate diagenesis.
Sci Rep
January 2025
Ali I. Al-Naimi Petroleum Engineering Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia.
Microbial impacts on early carbonate diagenesis, particularly the formation of Mg-carbonates at low temperatures, have long eluded scientists. Our breakthrough laboratory experiments with two species of halophilic aerobic bacteria and marine carbonate grains reveal that these bacteria created a distinctive protodolomite (disordered dolomite) rim around the grains. Scanning Electron Microscopy (SEM) and X-ray Diffraction (XRD) confirmed the protodolomite formation, while solid-state nuclear magnetic resonance (NMR) revealed bacterial interactions with carboxylated organic matter, such as extracellular polymeric substances (EPS).
View Article and Find Full Text PDFSynthesis of the conjugation ready tetrasaccharide repeating unit of the O-polysaccharide from Halomonas fontilapidosi KR26.
Carbohydr Res
December 2024
Sweet Lab, Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, Nadia, 741246, India. Electronic address:
Synthesis of the tetrasaccharide repeating unit of the O-polysaccharide from Halomonas fontilapidosi KR26 was accomplished through a convergent [2 + 2]-block strategy using rationally protected monosaccharide synthons derived from commercially available sugars. The target tetrasaccharide was synthesized in the form of its 2-azidoethyl glycoside to ensure further conjugation with specific aglycons without hampering the reducing end stereochemistry. Use of only acyl/aryl protecting groups was targeted to keep the terminal azido-group intact for the utilization of "Click chemistry" for further conjugations.
View Article and Find Full Text PDFMetabolic Engineering of for Efficient Production of Ectoine.
J Agric Food Chem
December 2024
The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, China.
Ectoine is a valuable compatible solute with extensive applications in bioengineering, cosmetics, medicine, and the food industry. While certain halophilic bacteria can naturally produce ectoine, as a model organism for biomanufacturing, offers significant advantages to be engineered for potentially high-level ectoine production. However, complex metabolic flux distributions and byproduct formation present bottlenecks that limit ectoine production in .
View Article and Find Full Text PDFMicrobial diversity and biogeochemical interactions in the seismically active and CO- rich Eger Rift ecosystem.
Environ Microbiome
December 2024
GFZ German Research Centre for Geosciences, Section Geomicrobiology, Potsdam, Germany.
The Eger Rift subsurface is characterized by frequent seismic activity and consistently high CO concentrations, making it a unique deep biosphere ecosystem and a suitable site to study the interactions between volcanism, tectonics, and microbiological activity. Pulses of geogenic H during earthquakes may provide substrates for methanogenic and chemolithoautotrophic processes, but very little is currently known about the role of subsurface microorganisms and their cellular processes in this type of environment. To assess the impact of geologic activity on microbial life, we analyzed the geological, geochemical, and microbiological composition of rock and sediment samples from a 238 m deep drill core, running across six lithostratigraphic zones.
View Article and Find Full Text PDFMechanism of decolorization and degradation of direct brown D3G by a halo-thermophilic consortium.
Extremophiles
December 2024
Miami College, Henan University, Kaifeng, 475000, Henan, China.
Azo dye wastewater has garnered significant attention from researchers because of its association with high-temperature, high-salt, and high-alkali conditions. In this study, consortium ZZ efficiently decolorized brown D3G under halophilic and thermophilic conditions. he results indicated that consortium ZZ, which was mainly dominated by Marinobacter, Bacillus, and Halomonas, was achieved decolorization rates ranging from 1 to 10% at temperatures between 40 °C and 50 °C, while maintaining a pH range of 7 to 10 for direct brown D3G degradation.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!