UV-Induced Nanoparticles-Formation, Properties and Their Potential Role in Origin of Life.
UV-induced nanoparticles
metal ions
nanoparticle-based world
nanozymes
origin of life
thiols
Journal
Nanomaterials (Basel, Switzerland)
ISSN: 2079-4991
Titre abrégé: Nanomaterials (Basel)
Pays: Switzerland
ID NLM: 101610216
Informations de publication
Date de publication:
04 Aug 2020
04 Aug 2020
Historique:
received:
13
07
2020
revised:
27
07
2020
accepted:
28
07
2020
entrez:
8
8
2020
pubmed:
8
8
2020
medline:
8
8
2020
Statut:
epublish
Résumé
Inorganic nanoparticles might have played a vital role in the transition from inorganic chemistry to self-sustaining living systems. Such transition may have been triggered or controlled by processes requiring not only versatile catalysts but also suitable reaction surfaces. Here, experimental results showing that multicolor quantum dots might have been able to participate as catalysts in several specific and nonspecific reactions, relevant to the prebiotic chemistry are demonstrated. A very fast and easy UV-induced formation of ZnCd quantum dots (QDs) with a quantum yield of up to 47% was shown to occur 5 min after UV exposure of the solution containing Zn(II) and Cd(II) in the presence of a thiol capping agent. In addition to QDs formation, xanthine activity was observed in the solution. The role of solar radiation to induce ZnCd QDs formation was replicated during a stratospheric balloon flight.
Identifiants
pubmed: 32759824
pii: nano10081529
doi: 10.3390/nano10081529
pmc: PMC7466688
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Internal Grant Agency of Mendel University in Brno
ID : IGA MENDELU 2019_TP_009
Organisme : CIISB research infrastructure funded by MEYS CR
ID : LM2015043
Organisme : Czech Science Foundation
ID : 19-03314S
Organisme : ERDF/ESF
ID : CZ.02.1.01/0.0/0.0/16_019/0000778
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