Nanostructured Membranes for Enzyme Catalysis and Green Synthesis of Nanoparticles

Smuleac, V.; Varma, Rajender S.; Baruwati, Babita; Sikdar, Subhas K.; Bhattacharyya, Dibakar

doi:10.1002/cssc.201100211

Cited by 39 publications

(18 citation statements)

References 40 publications

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“…58,59 Here, P(NIPAAm-AA) hydrogel was utilized because of the demand of not only transition but also hydrophilic ion exchange sites, like —COOH. The use of PAA hydrogel without NIPAAm could make it difficult to modulate hydrophobicity in the same platform.…”

Section: Resultsmentioning

confidence: 99%

Temperature responsive hydrogel with reactive nanoparticles

Xiao¹,

Isner²,

Hilt³

et al. 2012

J of Applied Polymer Sci

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The application of temperature responsive hydrogels with ion-exchange domain for nanoscale catalytic reactions is an emerging and attractive area because of the combination of individual unique features: temperature responsive tunability by the polymer domain and the high catalytic reactivity of the nanomaterial. Here, we report the entrapment and/or direct synthesis of reactive Fe and Fe/Pd nanoparticles (about 40–70 nm) in a temperature responsive hydrogel network (N-isopropylacrylamide (NIPAAm), and NIPAAm—PAA). These nanoparticles are stabilized in the hydrogel network and the dechlorination (using trichloroethylene, TCE, as a model compound) reactivity in water is enhanced and controllable in the temperature range of 30–34°C involving polymer domain transitions at lower critical solution temperature (LCST) from hydrophilic to collapsed hydrophobic state. Water fraction modulation of the network and the enhancement of pollutant partitioning by the thermally responsive polymers play an important role in the catalytic activity.

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Section: Resultsmentioning

confidence: 99%

Temperature responsive hydrogel with reactive nanoparticles

Xiao¹,

Isner²,

Hilt³

et al. 2012

J of Applied Polymer Sci

Self Cite

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“…There are several methodologies for NP synthesis, including conventional methods such as chemical and physical approaches as well as modern methods such as biological synthesis using natural living organisms, 25 enzymes, 35 vitamins, 36 etc. 6 The chemical routes are a type of bottom- Green nanotechnology: a review on green synthesis of silver nanoparticles-an ecofriendly approach.…”

Section: Synthesis and Characterization Of Npsmentioning

confidence: 99%

<p>Cyanobacteria – A Promising Platform in Green Nanotechnology: A Review on Nanoparticles Fabrication and Their Prospective Applications</p>

Hamida

Ali

Redhwan

et al. 2020

IJN

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Green synthesis of nanoparticles (NPs) is a global ecofriendly method to develop and produce nanomaterials with unique biological, physical, and chemical properties. Recently, attention has shifted toward biological synthesis, owing to the disadvantages of physical and chemical synthesis, which include toxic yields, time and energy consumption, and high cost. Many natural sources are used in green fabrication processes, including yeasts, plants, fungi, actinomycetes, algae, and cyanobacteria. Cyanobacteria are among the most beneficial natural candidates used in the biosynthesis of NPs, due to their ability to accumulate heavy metals from their environment. They also contain a variety of bioactive compounds, such as pigments and enzymes, that may act as reducing and stabilizing agents. Cyanobacteria-mediated NPs have potential antibacterial, antifungal, antialgal, anticancer, and photocatalytic activities. The present review paper highlights the characteristics and applications in various fields of NPs produced by cyanobacteria-mediated synthesis.

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“…This, in turn, highlights the potential of future nanoporous membrane reactors, which could be used to remove harmful contaminants selectively. The membrane reactor provides an effective pathway for degrading environmental contaminants into benign products, which provides a solution to issues associated with disposing of a concentrated stream of the contaminants.…”

Section: Potential Uses Of Nanoporous Block Polymer Membranes In Envimentioning

confidence: 99%

Nanoporous membranes generated from self‐assembled block polymer precursors: Quo Vadis?

Zhang

Sargent

Boudouris

et al. 2014

J of Applied Polymer Sci

108

135

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Nanoporous membranes based on self‐assembled block polymer precursors are an emerging class of promising separation, purification, and sensing devices due to the ability of researchers to control the nanostructure and chemistry of these multifunctional materials and devices. In fact, modern polymer chemistry provides techniques for the facile, controlled synthesis of the block polymers that constitute these devices. These designer macromolecules, in turn, can then self‐assemble into functional nanostructures depending upon the chemical identity of the synthesized block polymers and the thin film fabrication methods employed. After fabrication, these nanoporous membranes offer a highly tunable platform for applications that require high throughput, high surface area, homogeneous pore size, and varying material properties. And, with these readily tunable chemical and structural properties, block polymer membranes will allow for significant improvements in myriad applications. In this Review, we summarize the key advances, with a specific emphasis on the previous 5 years of work, that have allowed block polymer‐based membranes to reach their current level of technology. Furthermore, we project how these state‐of‐art, self‐assembled block polymer membrane technologies can be utilized in present‐day and future application arenas. In this way, we aim to demonstrate that the rigorous work performed on block polymer‐based membranes has laid a strong foundation that will allow these macromolecular systems to: (1) be major avenues of fundamental scientific research and (2) be parlayed into transferable technologies for the betterment of society in the imminent future. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41683.

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Nanostructured Membranes for Enzyme Catalysis and Green Synthesis of Nanoparticles

Cited by 39 publications

References 40 publications

Temperature responsive hydrogel with reactive nanoparticles

Temperature responsive hydrogel with reactive nanoparticles

<p>Cyanobacteria – A Promising Platform in Green Nanotechnology: A Review on Nanoparticles Fabrication and Their Prospective Applications</p>

Nanoporous membranes generated from self‐assembled block polymer precursors: Quo Vadis?

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