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Halloysite Clay Nanotubes for Enzyme Immobilization

Journal Article · · Biomacromolecules
 [1];  [2];  [3]
  1. Louisiana Tech Univ., Ruston, LA (United States); Louisiana State University
  2. Louisiana Tech Univ., Ruston, LA (United States)
  3. Louisiana Tech Univ., Ruston, LA (United States); Ural Federal Univ., Ekaterinburg (Russia)
Halloysite clay is an aluminosilicate nanotube formed by rolling flat sheets of kaolinite clay. They have a 15 nm lumen, 50–70 nm external diameter, length of 0.5–1 μm, and different inside/outside chemistry. Due to these nanoscale properties, they are used for loading, storage, and controlled release of active chemical agents, including anticorrosions, biocides, and drugs. Here, we studied the immobilization in halloysite of laccase, glucose oxidase, and lipase. Overall, negatively charged proteins taken above their isoelectric points were mostly loaded into the positively charged tube’s lumen. Typical tube loading with proteins was 6–7 wt % from which one-third was released in 5–10 h and the other two-thirds remained, providing enhanced biocatalysis in nanoconfined conditions. Immobilized lipase showed enhanced stability at acidic pH, and the optimum pH shifted to more alkaline pH. Immobilized laccase was more stable with respect to time, and immobilized glucose oxidase showed retention of enzymatic activity up to 70 °C, whereas the native sample was inactive.
Research Organization:
Louisiana State Univ., Baton Rouge, LA (United States)
Sponsoring Organization:
Russian Science Foundation; USDOE Office of Science (SC), Basic Energy Sciences (BES); USEPA
Grant/Contract Number:
SC0012432
OSTI ID:
1673765
Journal Information:
Biomacromolecules, Journal Name: Biomacromolecules Journal Issue: 2 Vol. 17; ISSN 1525-7797
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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Antimicrobial Membranes of Bio-Based PA 11 and HNTs Filled with Lysozyme Obtained by an Electrospinning Process journal March 2018
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CuI-functionalized halloysite nanoclay as an efficient heterogeneous catalyst for promoting click reactions: Combination of experimental and computational chemistry: CuI@ functionalized halloysite nanoclay for promoting click reaction journal April 2018
Gold nanoparticles stabilized by modified halloysite nanotubes for catalytic applications: A flow system based on Au supported on HNT for catalytic applications journal December 2018
Palladated halloysite hybridized with photo-polymerized hydrogel in the presence of cyclodextrin: An efficient catalytic system benefiting from nanoreactor concept: Pd/halloysite hybridized with hydrogel journal January 2019
Functionality of chitosan‐halloysite nanocomposite films for sustained delivery of antibiotics: The effect of chitosan molar mass journal August 2019
Halloysite Nanotubes for Cleaning, Consolidation and Protection journal January 2018
Current Status of Nanoclay Phytotoxicity book January 2018
Cu(CH3CN)4PF6 immobilized on halloysite as efficient heterogeneous catalyst for oxidation of allylic C–H bonds in olefins under mild reaction condition journal January 2019
Hybrid supramolecular gels of Fmoc-F/halloysite nanotubes: systems for sustained release of camptothecin journal January 2017
Covalently modified halloysite clay nanotubes: synthesis, properties, biological and medical applications journal January 2017
A facile one-step grafting of polyphosphonium onto halloysite nanotubes initiated by Ce( iv ) journal January 2019
Palladium nanoparticles immobilized on halloysite nanotubes covered by a multilayer network for catalytic applications journal January 2018
Self-assembly of clay nanotubes on hair surface for medical and cosmetic formulations journal January 2018
Bio-interfactants as double-sided tapes for graphene oxide journal January 2019
Au–Ag and Pt–Ag bimetallic nanoparticles@halloysite nanotubes: morphological modulation, improvement of thermal stability and catalytic performance journal January 2018
Chemical modification of halloysite nanotubes for controlled loading and release journal January 2018
Photoluminescent hybrid nanomaterials from modified halloysite nanotubes journal January 2018
Functional biohybrid materials based on halloysite, sepiolite and cellulose nanofibers for health applications journal January 2020
Recently emerging advancements in halloysite nanotubes polymer nanocomposites journal October 2018
A review on innovations in polymeric nanocomposite packaging materials and electrical sensors for food and agriculture journal May 2019
Biomedical potential of clay nanotube formulations and their toxicity assessment journal September 2019
Efficient synthesis of vitamin A palmitate in nonaqueous medium using self-assembled lipase TLL@apatite hybrid nanoflowers by mimetic biomineralization journal October 2018
Loading of halloysite nanotubes with BSA, α -Lac and β -Lg: a Fourier transform infrared spectroscopic and thermogravimetric study journal December 2016
Selective adsorption of oppositely charged PNIPAAM on halloysite surfaces: a route to thermo-responsive nanocarriers journal June 2018
Halloysite nanotube-based electrospun ceramic nanofibre mat: a novel support for zeolite membranes journal December 2016
Recent Advances on Surface Modification of Halloysite Nanotubes for Multifunctional Applications posted_content October 2017
Recent Advances on Surface Modification of Halloysite Nanotubes for Multifunctional Applications posted_content October 2017
Recent Advances on Surface Modification of Halloysite Nanotubes for Multifunctional Applications journal November 2017
Halloysite Nanotubes: Controlled Access and Release by Smart Gates journal July 2017
Clay-based drug-delivery systems: what does the future hold? journal July 2017
Mesoporous inorganic nanoscale particles for drug adsorption and controlled release journal March 2018
CuI-functionalized halloysite nanoclay as an efficient heterogeneous catalyst for promoting click reactions: Combination of experimental and computational chemistry text January 2022
Efficient synthesis of vitamin A palmitate in nonaqueous medium using self-assembled lipase TLL@apatite hybrid nanoflowers by mimetic biomineralization text January 2018
Efficient synthesis of vitamin A palmitate in nonaqueous medium using self-assembled lipase TLL@apatite hybrid nanoflowers by mimetic biomineralization text January 2018

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