Scalable production of microbially mediated zinc sulfide nanoparticles and application to functional thin films

Moon, Ji Won; Ivanov, Ilia N.; Joshi, P. C.; Armstrong, Beth L.; Wang, Wei; Jung, Hyunsung; Rondinone, Adam J.; Jellison, G. E.; Meyer, Harry M.; Jang, Gyoung Gug; Meisner, Roberta Ann; Duty, Chad; Phelps, Tommy J.

doi:10.1016/j.actbio.2014.06.005

Cited by 46 publications

(37 citation statements)

References 40 publications

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“…X513, using previously reported methods 48–50 . The ZnS nanoparticles, Figure S6, were thermally oxidized at 800 °C for 5 hours under continuous flow of oxygen at 300 SCCM, and the complete oxidation of ZnS to ZnO was verified using X-ray diffraction (XRD) and Energy-dispersive X-ray spectroscopy (EDS), showing no detectible residual ZnS.…”

Section: Methodsmentioning

confidence: 99%

UV-activated ZnO films on a flexible substrate for room temperature O2 and H2O sensing

Jacobs¹,

Maksov²,

Muckley³

et al. 2017

Sci Rep

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We demonstrate that UV-light activation of polycrystalline ZnO films on flexible polyimide (Kapton) substrates can be used to detect and differentiate between environmental changes in oxygen and water vapor. The in-plane resistive and impedance properties of ZnO films, fabricated from bacteria-derived ZnS nanoparticles, exhibit unique resistive and capacitive responses to changes in O2 and H2O. We propose that the distinctive responses to O2 and H2O adsorption on ZnO could be utilized to statistically discriminate between the two analytes. Molecular dynamic simulations (MD) of O2 and H2O adsorption energy on ZnO surfaces were performed using the large-scale Atomic/Molecular Massively Parallel Simulator (LAMMPS) with a reactive force-field (ReaxFF). These simulations suggest that the adsorption mechanisms differ for O2 and H2O adsorption on ZnO, and are governed by the surface termination and the extent of surface hydroxylation. Electrical response measurements, using DC resistance, AC impedance spectroscopy, and Kelvin Probe Force Microscopy (KPFM), demonstrate differences in response to O2 and H2O, confirming that different adsorption mechanisms are involved. Statistical and machine learning approaches were applied to demonstrate that by integrating the electrical and kinetic responses the flexible ZnO sensor can be used for detection and discrimination between O2 and H2O at low temperature.

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Section: Methodsmentioning

confidence: 99%

UV-activated ZnO films on a flexible substrate for room temperature O2 and H2O sensing

Jacobs¹,

Maksov²,

Muckley³

et al. 2017

Sci Rep

Self Cite

View full text Add to dashboard Cite

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“…Furthermore, photo-luminance investigations on ZnS NPs, showed that the emission peaks were located between 280 and 450 nm [7,10,45,59] depending on the synthesis time, mean particle diameter, and particle size distribution [59]. Also, fluorescence peak was reported to be at around 355 nm with excitation at 275 nm [59].…”

Section: Fluorescence and Photoluminescence Spectroscopymentioning

confidence: 96%

“…Considering the scale of production, semiconducting sphalerite nanoparticles were synthesized using anaerobic metal-reducing Thermoanaerobacter species in different scales from 10 ml to 24 L using three modified media at 65°C [59]. Results indicated that scaling up from 10 ml to 24 L using the same input ratio of nutrient, thiosulfate as sulfur source, mid-logarithmic phase cells, and ZnCl 2 did not decrease yield.…”

Section: Zinc Sulfide Nanoparticlesmentioning

confidence: 97%

“…Moreover, characterizing the product as thin films on glass slides showed a great promise for future applications. These applications may be in manufacturing photocatalysis, display screens, sensors, lasers, IR optical devices and fast optical switching [45,48,59]. Zinc sulfide nanocrystals have also been used to eradicate heavy metals and dyes through photocatalytic degradation of water contaminants [8,60].…”

Section: Zinc Sulfide Nanoparticlesmentioning

confidence: 99%

“…Also, fluorescence peak was reported to be at around 355 nm with excitation at 275 nm [59]. The band gap of the biosynthesized NPs was calculated by Sandana Mala [7] and expressed as 3.88 eV.…”

Section: Fluorescence and Photoluminescence Spectroscopymentioning

confidence: 99%

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Bacterial synthesized metal and metal salt nanoparticles in biomedical applications: An up and coming approach

Mohanta

Hashem

Abd_Allah

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In the present scenario, metal nanoparticles have elicited a great deal of interest in biomedical applications because of their unique properties and antimicrobial potentials. Over the past few years, the green nanotechnology has materialized as a momentous approach for the synthesis and fabrication of noble metal salt and metal nanoparticles. The green route synthesis exploits diverse reducing and stabilizing agents from bacterial resources for the successful synthesis of metal nanoparticles. This review mainly focuses on the biosynthesis of the most commonly studied metal and metal salt nanoparticles such as gold, silver, platinum, palladium, copper, cadmium, titanium oxide, zinc oxide, zinc sulphate, cadmium sulphide and many more. These noble nanoparticles can be exploited in pharmaceutical industry as antimicrobial and anti‐biofilm agents, targeted delivery of anticancer drugs, biosensors, etc.

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Scalable production of microbially mediated zinc sulfide nanoparticles and application to functional thin films

Cited by 46 publications

References 40 publications

UV-activated ZnO films on a flexible substrate for room temperature O2 and H2O sensing

UV-activated ZnO films on a flexible substrate for room temperature O2 and H2O sensing

Recent achievements in the microbial synthesis of semiconductor metal sulfide nanoparticles

Bacterial synthesized metal and metal salt nanoparticles in biomedical applications: An up and coming approach

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