Promoted Photocatalytic Activity of Green Titanium Oxide-Clay Nanocomposite Toward Polychlorinated Biphenyl Degradation in Actual Samples

Chanani, Jasem; Buazar, Foad; Nikpour, Yadollah

doi:10.1007/s11270-023-06356-y

Cited by 14 publications

(1 citation statement)

References 50 publications

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“…These parameters are important indicators of the effectiveness of a catalyst in a given reaction. 2,41,42 The calculated TON and TOF indicate that SnO 2 NPs derived from marine diatom extract exhibited superior stability and increased efficiency compared with other catalysts, such as chemically synthesized bare SnO 2 NPs as depicted in Table 3. Although the addition of commercial SnO 2 (entry 4) resulted in higher yields compared with conventional catalysts (entries 1-3) in a shorter time, it still produced lower yields and required a longer reaction time compared with marine-derived SnO 2 NPs (entry 5).…”

Section: Effect Of Intensity Power Of Ultrasonic On Reactionmentioning

confidence: 98%

Accelerated sonosynthesis of chromeno[4,3‐b]quinoline derivatives via marine‐bioinspired tin oxide nanocatalyst

Torfi‐Zadegan,

Buazar,

Sayahi

2023

Applied Organom Chemis

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Green nanocatalysts play a crucial role in organic synthesis. In this study, a novel approach utilizing marine diatom extract is presented for the production of tin oxide nanoparticles (SnO2 NPs). These NPs possess distinctive characteristics, including crystalline properties, a spherical shape, and an average size of 20 ± 2 nm. The reduction and surface coating of the NPs involve organic components derived from marine sources. The resulting SnO2 NPs serve as highly effective catalysts for the synthesis of chromeno[4,3‐b]quinoline derivatives, facilitated by ultrasound‐assisted reactions. This process demonstrates remarkable efficiency, yielding a variety of organic products with impressive results, reaching yields of 82–97% and requiring short reaction times. Moreover, the SnO2 nanocatalyst employed exhibits advantageous properties, such as low loading, durability, and the ability to be reused up to six cycles.

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Section: Effect Of Intensity Power Of Ultrasonic On Reactionmentioning

confidence: 98%

Accelerated sonosynthesis of chromeno[4,3‐b]quinoline derivatives via marine‐bioinspired tin oxide nanocatalyst

Torfi‐Zadegan,

Buazar,

Sayahi

2023

Applied Organom Chemis

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Design and evaluation of composite films for in situ synthesis and antibacterial activity of allicin vapour

Mašková,

Závišová,

Kašpar

et al. 2024

J Mater Sci

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Although allicin has potent antibiotic properties, its low stability, which is responsible for its persistent biological activity, has posed a significant challenge to its practical application in modern medicine. To harness the healing benefits of this phytochemical, known by humans for thousands of years, we propose a controlled in situ synthesis of allicin vapour near the site of infection. Considering the critical need for novel approaches to prevent pandemic scenarios caused by MDR bacteria, we suggest encapsulating and physically separating allicin precursors (substrate alliin and enzyme alliinase) in alginate-based films and spray-dried chitosan microparticles. The mechanical properties of the hydrogel films of various compositions were evaluated, as well as their ability to protect the encapsulated alliinase against thermal stress and control the overall rate of allicin release upon hydration. Furthermore, the non-contact antibacterial efficacy of free alliin/alliinase reaction mixture (aqueous solution) and three compartmentalised configurations, i.e. film-solution, film-particles, and double-film, were tested against selected bacterial strains, i.e. E. coli, S. epidermidis, and S. aureus. The results indicate that the formation of allicin vapour using the proposed compartmentalised systems addresses allicin’s stability issues and provides better control over the rate of allicin production. The observed antibacterial effect was comparable with directly formed allicin using higher initial amounts of both substances, which is given by diffusion limitations associated with encapsulation. These findings illustrate the potential of compartmentalised systems in developing nature-based wound dressings for infection prevention and promoting healing.

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Efficient Copper Adsorption from Wastewater Using Silica Nanoparticles Derived from Incinerated Coconut Shell Ash

Arumugam,

Gopinath,

Anbu

et al. 2024

BioNanoSci.

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Promoted Photocatalytic Activity of Green Titanium Oxide-Clay Nanocomposite Toward Polychlorinated Biphenyl Degradation in Actual Samples

Cited by 14 publications

References 50 publications

Accelerated sonosynthesis of chromeno[4,3‐b]quinoline derivatives via marine‐bioinspired tin oxide nanocatalyst

Accelerated sonosynthesis of chromeno[4,3‐b]quinoline derivatives via marine‐bioinspired tin oxide nanocatalyst

Design and evaluation of composite films for in situ synthesis and antibacterial activity of allicin vapour

Efficient Copper Adsorption from Wastewater Using Silica Nanoparticles Derived from Incinerated Coconut Shell Ash

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