H2O2 generation enhancement by ultrasonic nebulisation with a zinc layer for spray disinfection

Cao, Tingting; Tong, Wangshu; Feng, Feng; Zhang, Shuting; Li, Yanan; Liang, Shaojie; Wang, Xin; Chen, Zhensheng; Zhang, Yihe

doi:10.1016/j.cej.2021.134005

Cited by 16 publications

(5 citation statements)

References 47 publications

(60 reference statements)

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“…The supplementation of bacterial cultures with H 2 O 2 caused the degradation of the bacterial DNA [8]. Furthermore, compared with other disinfectants, H 2 O 2 is a safe, odorless, colorless, non-carcinogenic, and environmentally friendly broad-spectrum disinfectant that can kill all types of pathogens [26]. The intrauterine treatment with H 2 O 2 can effectively be used to improve cure and conception rate in cases of equine endometritis [27].…”

Section: Discussionmentioning

confidence: 99%

Antimicrobial Activity of Hydrogen Peroxide against Endometritis-Causing Microorganisms in Mares

Omara,

Abo El-Maaty

2024

Egyptian Journal of Veterinary Sciences

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Egyptian Journal of Veterinary Sciences https://ejvs.journals.ekb.eg/ E ARLY and accurate detection and isolation of the pathogens associated with endometritis in mares are crucial to initiating correct treatment in time, inhibiting bacterial resistance development, and optimizing fertility. This study aimed at the diagnosis of endometritis in mares through ultrasound examination followed by the isolation and identification of the causative microorganisms. In addition, the determination of the antibiotic susceptibility of the isolated microorganisms was carried out. Moreover, the in-vitro antibacterial efficiency of hydrogen peroxide (H 2 O 2 ) against the isolated pathogens was assessed. Out of the examined 60 samples, 34 (56.7%), 30 (50.0%), 9 (15.0%), and 9 (15.0%) were confirmed positive for the presence of Pseudomonas aeruginosa, Escherichia coli, Serratia fonticola, and Klebsiella pneumoniae subsp. ozaenae, respectively. Of the P. aeruginosa isolates, 76.5% showed intermediate resistance to gentamicin. Escherichia coli showed 3.3%, 43.3%, 46.7%, 16.7%, 13.3%, 13.3%, and 26.7% resistance against cefazolin, gentamicin, amoxicillin/clavulanic acid, cefotaxime, ciprofloxacin, chloramphenicol, and tetracycline, respectively. Serratia fonticola isolates showed 100.0% resistance to each of gentamicin and amoxicillin/clavulanic acid while it showed 44.4% resistance to cefazolin and 66.7% resistance to each of cefotaxime, ciprofloxacin, chloramphenicol, and tetracycline. Klebsiella pneumoniae subsp. ozaenae showed 22.2% and 44.4% intermediate resistance against amoxicillin/clavulanic acid and cefazolin, respectively. Concerning the hydrogen peroxide, the mean inhibition zones' diameters (mm) were 54. 67, 48.33, 46.33, and 49.67 against Pseudomonas aeruginosa, Escherichia coli, Serratia fonticola, and Klebsiella pneumoniae subsp. ozaenae, respectively. This study demonstrated the very high in-vitro bacteriostatic and bactericidal efficiency of H 2 O 2 at a concentration of 0.047% against bacteria-associated endometritis.

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Section: Discussionmentioning

confidence: 99%

Antimicrobial Activity of Hydrogen Peroxide against Endometritis-Causing Microorganisms in Mares

Omara,

Abo El-Maaty

2024

Egyptian Journal of Veterinary Sciences

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“…With the piezoelectric method ( Fig. 2b ), 42 the transducer/atomiser disc is placed in the solution (contained in a dish), which is situated in the misting chamber. The arrangement ( Fig.…”

Section: Methodsmentioning

confidence: 99%

The synergistic antibacterial activity of ozone and surfactant mists

Epelle,

Cojuhari,

Mohamedsalih

et al. 2023

RSC Adv.

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“…It exhibits excellent oxidation properties across all pH ranges, which makes it highly versatile in various applications, such as chemical synthesis, 1−4 papermaking, 5−7 mining, environmental remediation, and disinfection. 8 With the growing emphasis on green production, the demand for H 2 O 2 is expected to increase significantly. 9 To date, more than 95% of the world's H 2 O 2 is produced by the anthraquinone method (AO) via consecutive hydrogenation and oxidation reactions.…”

Section: ■ Introductionmentioning

confidence: 99%

“…H 2 O 2 is widely recognized as one of the most efficient and environmentally friendly oxidants. It exhibits excellent oxidation properties across all pH ranges, which makes it highly versatile in various applications, such as chemical synthesis, − papermaking, − mining, environmental remediation, and disinfection . With the growing emphasis on green production, the demand for H 2 O 2 is expected to increase significantly .…”

Section: Introductionmentioning

confidence: 99%

Sustainable and Continuous Flow Preparation of High-Concentration H₂O₂ by Visible-Light-Activated Molecular Oxygen Oxidation of Lower Alcohols

Yu,

Zhao,

et al. 2023

ACS Sustainable Chem. Eng.

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H 2 O 2 is a multifunctional green oxidant, and the preparation of H 2 O 2 by photocatalysis is a kind of green and efficient method; however, the production of terminal H 2 O 2 with a high concentration of up to 10 mmol•g −1 •h −1 under visible light irradiation is a challenge. With this objective, herein, we report a strategy for the homogeneous visible light photocatalytic preparation of H 2 O 2 via the HAT (hydrogen atom transfer) process using commercially available 2-ethylanthraquinone (EAQ) as the photocatalyst. Even under intermittent conditions, the H 2 O 2 generation rate could reach up to 323.32 mM/h (526.6 mmol•g −1 •h −1 ), which represents the fastest photochemical H 2 O 2 production reaction reported. The continuous flow strategy could significantly improve the yield of H 2 O 2 by 91 times to ∼29460 mM/h. A liquid−liquid extraction device that connects with the flow reactor could realize the continuous separation of H 2 O 2 in aqueous solution of up to 11.1 wt % in 1 h with a lower EAQ loading of 0.2−0.3 mol % (∼6.2−9.3 g/L). Compared with the AO method, EAQ efficiency is significantly elevated by 10−20 times in this continuous flow photocatalysis strategy.

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H2O2 generation enhancement by ultrasonic nebulisation with a zinc layer for spray disinfection

Cited by 16 publications

References 47 publications

Antimicrobial Activity of Hydrogen Peroxide against Endometritis-Causing Microorganisms in Mares

Antimicrobial Activity of Hydrogen Peroxide against Endometritis-Causing Microorganisms in Mares

The synergistic antibacterial activity of ozone and surfactant mists

Sustainable and Continuous Flow Preparation of High-Concentration H₂O₂ by Visible-Light-Activated Molecular Oxygen Oxidation of Lower Alcohols

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H2O2 generation enhancement by ultrasonic nebulisation with a zinc layer for spray disinfection

Cited by 16 publications

References 47 publications

Antimicrobial Activity of Hydrogen Peroxide against Endometritis-Causing Microorganisms in Mares

Antimicrobial Activity of Hydrogen Peroxide against Endometritis-Causing Microorganisms in Mares

The synergistic antibacterial activity of ozone and surfactant mists

Sustainable and Continuous Flow Preparation of High-Concentration H2O2 by Visible-Light-Activated Molecular Oxygen Oxidation of Lower Alcohols

Contact Info

Product

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Sustainable and Continuous Flow Preparation of High-Concentration H₂O₂ by Visible-Light-Activated Molecular Oxygen Oxidation of Lower Alcohols