Disperse dyeing and antibacterial properties of nylon and wool fibers using two novel nanosized copper(II) complexes bearing phosphoramide ligands

Shariatinia‬, Zahra; Shekarriz, Shahla; Mousavi, Hourieh Sadat Mirhosseini; Maghsoudi, Narges; Nikfar, Zahra

doi:10.1016/j.arabjc.2015.03.005

Cited by 19 publications

(8 citation statements)

References 53 publications

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“…This configuration is used when the enzyme is triggered by interfacial activation 43 . The applications of this reactor configuration include oil hydrolysis [49][50][51] and synthesis of fatty acids [52][53][54][55] . Phase mixing is one of the key disadvantages of this configuration.…”

Section: Multiphase Enzyme Reactorsmentioning

confidence: 99%

Process Intensification of Immobilized Enzyme Reactors

Shivaprasad

Emanuelsson

2018

Intensification of Biobased Processes

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The advantages of enzyme catalysis are high specificity and (enantio) selectivity resulting in reactions with little or no by-products. The applications of enzymes in aqueous medium are well established and have been extended to organic synthesis more recently. The two limiting factors for large scale application of enzymes are continuous processing and process scale-up.Process intensification has the potential to overcome these challenges posed by conventional processing methods by incorporating a novel reactor design or by using alternate processing methods. Process intensified reactors like membrane reactors, microreactors, monolithic reactors and rotating disc reactors for enzyme catalyzed reactions will be discussed in this chapter. These reactors have shown an improved performance compared to the enzymatic reactors currently in use and future opportunities include application for enzymatic catalysis on an industrial scale and advances in reactor design and process control.

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Section: Multiphase Enzyme Reactorsmentioning

confidence: 99%

Process Intensification of Immobilized Enzyme Reactors

Shivaprasad

Emanuelsson

2018

Intensification of Biobased Processes

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“…Hence, the microorganism's propagation on WO fabric induced health problems such as skin irritating . There are several researches that studied the antibacterial activity of WO fabric functionalized with different potential NPs such as Ag , Cu , TiO 2 , and SiO 2 [16]. The features of WO facilitate the bonding formation with NPs which are favorable to a long‐term antibacterial performance.…”

Section: Type Of Textilementioning

confidence: 99%

“…There are various methods to synthesize Cu‐based NPs either Cu NPs or CuO NPs‐coated fabric have been developed such as chemical reduction , ultrasound irradiation , and metal chelation technique . Table shows the summary of Cu‐based NPs‐coated textile and its antibacterial effects.…”

Section: Type Of Metal‐based Antibacterial Agents On Textilementioning

confidence: 99%

“…Shariatinia et al have used two nanosized copper(II) complexes including phosphoric triamide ligands with formula Cu(NO 3 ) 2 L 2 and Cu(CH 3 COO) 2 L 2 where L represents 4‐NO 2 C 6 H 4 NHP(O)(NC 4 H 8 O) 2 coated on nylon and WO fabrics, endowed yellow and green color, respectively, with spherical morphology in average grain sizes of 17–20 nm. The complexes were synthesized through sonochemical approach and the yielded fabrics possessed excellent wash fastness and antibacterial activity against Bacillus subtilis while poor in lightfastness . The pilot scale sonochemical coating of CuO NPs onto cotton fabric produced biocidal property has been studied by Abramov et al According to the results, it revealed that the coating is homogeneous with particle sizes range from 10 to 20 nm.…”

Section: Type Of Metal‐based Antibacterial Agents On Textilementioning

confidence: 99%

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A review of antimicrobial fabric containing nanostructures metal‐based compound

Tan

Sin

Bee

et al. 2017

Vinyl Additive Technology

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Textile can be a potential microorganism's propagation site because it contacts with human skin endows optimal conditions combination of nutrient sources, temperature, and moisture which provides conducive environment for microorganism growth. Thus, the development of antibacterial textile is crucial to inhibit the growth of microorganisms for protection the health and safety of wearer. This review article focuses on several metal-based nanoparticles possess biocidal feature namely, Ag, ZnO, Cu based, TiO 2 , and other minor metals based such as iron based, CeO 2 , Au, SiO 2 , Ni, and Pt. The phenomenology of metal nanoparticles associated to the antibacterial effects and possible mechanisms of action against bacteria have been highlighted. This review also discussed the synthesis techniques and effects of incorporation additive materials of those metal-based nanoparticles to inhibit the growth of microorganisms. J. VINYL ADDIT. TECH-NOL., 00:000-000,

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“…The resulting metal cloth was found to be robust over several cycles and wool-Pd complex was naturally chiral resulting in the synthesis of optically pure products. Copper has also been immobilized on wool to improve its antibacterial properties [21,22], but the protocol involves numerous time consuming and energy intensive reaction steps.…”

Section: Introductionmentioning

confidence: 99%

Process intensification of catalysed henry reaction using copper-wool catalyst in a spinning mesh disc reactor

Shivaprasad

Jones

Patterson

et al. 2017

Chemical Engineering and Processing: Process Intensification

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The spinning mesh disc reactor (SMDR) is a novel process intensification technology which uses centrifugal force to drive reaction fluid over a mesh supported catalyst on a rotating disc. The potential of the SMDR for organic synthesis has been demonstrated for the first time for Henry reaction using copper immobilised on woollen cloth mesh. A new protocol for copper immobilisation on wool has been developed producing a superior catalyst to the homogeneous copper triflate system: copper heterogenised on wool afforded a higher batch conversion (85%) (cf. 57% for the homogeneous case) in the same timeframe. In the SMDR, the reaction was more efficient than either homogeneous or heterogeneous batch reaction: with further optimisation the conversion increased from 77% to 93% as the spinning speed of the disc increased from 250 to 450 RPM at a flowrate of 3 ml s-1. There was only a 3% reduction in conversion on re-use of copper wool over 3 cycles under similar experimental conditions indicating that this catalyst is robust. Pure wool was also found to have some catalytic activity for the Henry reaction, giving a maximum conversion of 85% at 450 RPM in the SMDR. However, it deactivated significantly with reuse and therefore cannot be considered a stable, robust catalyst. Overall, the results show that the copper immobilised wool in the SMDR can be used to improve the conversions for the Henry reaction and that there is therefore promise for the SMDR to be extended to other traditional solvent based reactions.

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Disperse dyeing and antibacterial properties of nylon and wool fibers using two novel nanosized copper(II) complexes bearing phosphoramide ligands

Cited by 19 publications

References 53 publications

Process Intensification of Immobilized Enzyme Reactors

Process Intensification of Immobilized Enzyme Reactors

A review of antimicrobial fabric containing nanostructures metal‐based compound

Process intensification of catalysed henry reaction using copper-wool catalyst in a spinning mesh disc reactor

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