Polypyrrole-Based Nanorobots Powered by Light and Glucose for Pollutant Degradation in Water

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F21%3A43922035" target="_blank" >RIV/60461373:22310/21:43922035 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60461373:22320/21:43922035 RIV/60461373:22330/21:43922035

Výsledek na webu

<a href="http://10.1021/acsami.0c20055" target="_blank" >http://10.1021/acsami.0c20055</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1021/acsami.0c20055" target="_blank" >10.1021/acsami.0c20055</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Polypyrrole-Based Nanorobots Powered by Light and Glucose for Pollutant Degradation in Water

Popis výsledku v původním jazyce

Novel photo- and enzymatically-active nanomotors were developed for efficient organic pollutant degradation. Light-absorbing polypyrrole nanoparticles were equipped with a bi-enzyme (glucose oxidase/catalase (GOx/Cat)) system enabling the simultaneous utilization of light and glucose as energy sources for jet-induced nanoparticle movement and active radical production. In particular, the GOx utilizes glucose to produce hydrogen peroxide, which is subsequently degraded by Cat, resulting in the generation of active radicals and/or oxygen bubbles that propel the particles. Uneven grafting of GOx/Cat molecules on the nanoparticle surface ensures inhomogeneity of peroxide creation/degradation, providing the nanomotors propelling in random directions. The nanomotors were tested for their ability to degrade a model pollutant, chlorophenol, in various experimental conditions, both with and without simulated sunlight illumination or glucose addition. In all cases, degradation was accelerated by the presence of the self-propelled microparticles or light illumination. Light-induced heating also positively affected enzymatic activity, further accelerating nanomotor diffusion and pollutant degradation. In fact, the chemical- and photoactivity of the nanoparticles led to more than 95 % removal of chlorophenol in 1 h, without any external stirring. Finally, the quality of the purified water and the extent of pollutant removal was checked using a microbiological assay, with significant synergy demonstrated between glucose pumping and sunlight illumination.

Název v anglickém jazyce

Polypyrrole-Based Nanorobots Powered by Light and Glucose for Pollutant Degradation in Water

Popis výsledku anglicky

Novel photo- and enzymatically-active nanomotors were developed for efficient organic pollutant degradation. Light-absorbing polypyrrole nanoparticles were equipped with a bi-enzyme (glucose oxidase/catalase (GOx/Cat)) system enabling the simultaneous utilization of light and glucose as energy sources for jet-induced nanoparticle movement and active radical production. In particular, the GOx utilizes glucose to produce hydrogen peroxide, which is subsequently degraded by Cat, resulting in the generation of active radicals and/or oxygen bubbles that propel the particles. Uneven grafting of GOx/Cat molecules on the nanoparticle surface ensures inhomogeneity of peroxide creation/degradation, providing the nanomotors propelling in random directions. The nanomotors were tested for their ability to degrade a model pollutant, chlorophenol, in various experimental conditions, both with and without simulated sunlight illumination or glucose addition. In all cases, degradation was accelerated by the presence of the self-propelled microparticles or light illumination. Light-induced heating also positively affected enzymatic activity, further accelerating nanomotor diffusion and pollutant degradation. In fact, the chemical- and photoactivity of the nanoparticles led to more than 95 % removal of chlorophenol in 1 h, without any external stirring. Finally, the quality of the purified water and the extent of pollutant removal was checked using a microbiological assay, with significant synergy demonstrated between glucose pumping and sunlight illumination.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10404 - Polymer science

Projekt

<a href="/cs/project/GA18-26170S" target="_blank" >GA18-26170S: Světlem laditelné konjugované polymery pro vratné spínání vodivosti</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2021

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

ACS Applied Materials and Interfaces

ISSN

1944-8244

e-ISSN

—

Svazek periodika

2021

Číslo periodika v rámci svazku

13

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

9

Strana od-do

16173-16181

Kód UT WoS článku

000641156600019

EID výsledku v databázi Scopus

2-s2.0-85104369496