Maize (Zea mays L.) root exudates modify the surface chemistry of CuO nanoparticles: Altered aggregation, dissolution and toxicity.

Copper Nanoparticles / chemistry Osmolar Concentration Plant Exudates / chemistry Plant Roots / chemistry Rhizosphere Zea mays / chemistry
CuO nanoparticles Dissolution Root exudates Stability Toxicity

Journal

The Science of the total environment
ISSN: 1879-1026
Titre abrégé: Sci Total Environ
Pays: Netherlands
ID NLM: 0330500

Informations de publication

Date de publication:
10 Nov 2019
Historique:
received: 17 05 2019
revised: 01 07 2019
accepted: 02 07 2019
pubmed: 14 7 2019
medline: 7 9 2019
entrez: 14 7 2019
Statut: ppublish

Résumé

Copper oxide nanoparticles (CuO NPs), as an antimicrobial nanomaterial, have found many applications in agriculture. Ubiquitous and complex root exudates (RE) in the plant root zone motivates the determination of how specific components of RE interact with CuO NPs. This work aims to reveal the role of maize (Zea mays L.)-derived RE and their components on the aggregation and dissolution of CuO NPs in the rhizosphere. We observed that RE significantly inhibited the aggregation of CuO NPs regardless of ionic strength and electrolyte type. In the presence of RE, the CCC of CuO NPs in NaCl shifted from 30 to 125 mM and the value in CaCl

Identifiants

DOI: 10.1016/j.scitotenv.2019.07.017 PMID: 31301491
pubmed: 31301491
pii: S0048-9697(19)33130-4
doi: 10.1016/j.scitotenv.2019.07.017
pii:
doi:

Substances chimiques

Plant Exudates 0
Copper 789U1901C5
cupric oxide V1XJQ704R4

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

502-510

Informations de copyright

Copyright © 2019 Elsevier B.V. All rights reserved.

Auteurs

Heping Shang (H)

Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, USA.

Huiyuan Guo (H)

Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, USA.

Chuanxin Ma (C)

Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, USA; Department of Analytical Chemistry, The Connecticut Agricultural Experiment Station, New Haven, CT 06504, USA.

Chunyang Li (C)

Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, USA.

Benny Chefetz (B)

Department of Soil and Water Sciences, Hebrew University of Jerusalem, Rehovot 76100, Israel.

Tamara Polubesova (T)

Department of Soil and Water Sciences, Hebrew University of Jerusalem, Rehovot 76100, Israel.

Baoshan Xing (B)

Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, USA. Electronic address: bx@umass.edu.

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Classifications MeSH

questionsmedicales.fr › Produits chimiques inorganiques › Métaux › Métaux lourds › Cuivre › Maize (Zea mays L.) root exudates modify the...
questionsmedicales.fr › Technologie, industrie et agriculture › Produits manufacturés › Nanostructures › Nanoparticules › Maize (Zea mays L.) root exudates modify the...
questionsmedicales.fr › Phénomènes chimiques › Concentration osmolaire › Maize (Zea mays L.) root exudates modify the...
questionsmedicales.fr › Mélanges complexes › Produits biologiques › Exsudats végétaux › Maize (Zea mays L.) root exudates modify the...
questionsmedicales.fr › Structures de plante › Racines de plante › Maize (Zea mays L.) root exudates modify the...
questionsmedicales.fr › Environnement et santé publique › Environnement › Écosystème › Rhizosphère › Maize (Zea mays L.) root exudates modify the...
questionsmedicales.fr › Eucaryotes › Viridiplantae › Streptophyta › Embryophyta › Tracheobionta › Magnoliopsida › Poaceae › Zea mays › Maize (Zea mays L.) root exudates modify the...