Volume 431, Issue 1, 2010, Pages 124-127;
The aquatic macrophyte Ceratophyllum demersum immobilizes Au nanoparticles after their addition to water (Article);
http://www.ncbi.nlm.nih.gov/pubmed/20506851; PMID: 20506851 [PubMed];
http://www.springerlink.com/content/j487667871w02h28/;
a Faculty of Biology, M.V. Lomonosov Moscow State University, Moscow 119991, Russian Federation ;
b Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, ul.Kosygina 19, Moscow 119991, Russian Federation ;
b Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, ul.Kosygina 19, Moscow 119991, Russian Federation ;
http://5bio5.blogspot.com/2015/02/doklady-biological-sciences-volume-431.html
ABSTRACT and comments:
Full text available online free:
https://www.researchgate.net/publication/44634488_The_aquatic_macrophyte_Ceratophyllum_;
At a recent conference 'Ecosystems, Organisms, Innovations' (Moscow, July 1), Diploma (Academy of Water Sciences) was awarded to this publication, to certify the quality of research, evidence of merit.
At the online library Scribd, 4 200 reads /views of:
The aquatic macrophyte Ceratophyllum demersum immobilizes Au nanoparticles after their addition to water. The first paper to report interactions between gold nanomaterials and water plants.
http://5bio5.blogspot.com/2014/07/4-200-reads-of-aquatic-macrophyte.html ;
EXPLANATION of terminology:
Ceratophyllum demersum is the scientific Latin name of a species of a submerged, free-floating aquatic plant (hornwort, rigid hornwort, coontail, coon's tail).
Ostroumov S. A., Kolesov G. M. The aquatic macrophyte Ceratophyllum demersum immobilizes Au nanoparticles after their addition to water. - Doklady Biological Sciences, 2010 (Mar - Apr), Vol. 431, p. 124–127. [© Pleiades Publishing, Ltd., ISSN 0012-4966]. Original Russian Text © S.A. Ostroumov, G.M. Kolesov, 2010, published in: Doklady Akademii Nauk, 2010, Vol. 431, No. 4, pp. 566–569. Presented by the Member of the Russian Acad. Sciences, Academician M.A. Fedonkin; July 31, 2009.
DOI: 10.1134/S0012496610020158.
https://www.researchgate.net/publication/44634488_The_aquatic_macrophyte_Ceratophyllum_demersum_immobilizes_Au_nanoparticles_after_their_addition_to_water; http://scipeople.com/publication/69766/.
This is the first paper to report a new aspect of the role of (hornwort, rigid hornwort, coontail, or coon's tail) in water self-purification and environmental chemistry of metals and nanomaterias exemplified by gold nanoparticles.
In the paper, it was discovered that the aquatic plant (macrophyte) Ceratophyllum demersum immobilized gold (Au) nanoparticles after their addition to water. This is the first time it was shown that the nanoparticles of gold (Au) in substantial amount bind to the living biomass of the aquatic macrophyte, Ceratophyllum demersum. The concentrations of Au were measured in the samples of the biomass (phytomass) using the instrumental method of neutron activation analysis (NAA). As a result of the binding and/or immobilization of the nanoparticles, the amount of gold (Au) in the samples of the phytomass increased manifold (by a factor of 430) above the background level of gold in the plant tissues. The increase was by two orders of magnitude. The new data added some new information to the modern vision of the multifunctional role of the biota in the migration of elements in aquatic ecosystems. Also, the result added new information to the studies of interactions of gold (Au) with organisms that may contribute to new biotechnologies.
http://www.ncbi.nlm.nih.gov/pubmed/20506851; PMID: 20506851 [PubMed];
http://www.springerlink.com/content/j487667871w02h28/;
Video on this aquatic plant species, Ceratophyllum:
www.youtube.com/watch?v=EqmHUrBwohAwww.youtube.com/watch?v=heytpjz3nuM
Key words:
hornwort, rigid hornwort, coontail, coon's tail, nanotechnology, nanoparticles, Au, gold, metals, biogeochemistry, biotechnology, aquatic plants, macrophyte, Ceratophyllum demersum, Immobilization, water quality, monitoring, environmental science, ecology, nanomaterials, aquatic, environment, water, freshwater, ecology, limnology, biomass, phytomass, neutron activation analysis; www.springerlink.com/index/J487667871W02H28.pdf;
Indexed keywords
EMTREE drug terms: fresh water; gold; metal nanoparticle; nanoparticle; water
EMTREE medical terms: angiosperm; article; atomic absorption spectrometry; biological model; biomass; chemistry; ecosystem; metabolism; methodology; nanotechnology; plant physiology
MeSH: Angiosperms; Biomass; Ecosystem; Fresh Water; Gold; Metal Nanoparticles; Models, Biological; Nanoparticles; Nanotechnology; Plant Physiological Phenomena; Spectrophotometry, Atomic; Water
Medline is the source for the MeSH terms of this document.
Medline is the source for the MeSH terms of this document.
Species Index: Ceratophyllum demersum;
Chemicals and CAS Registry Numbers: gold, 7440-57-5; water, 7732-18-5;Gold, 7440-57-5; Water, 7732-18-5;
ISSN: 00124966; Source Type: peer-reviewed Journal;Original language: English;
DOI: 10.1134/S0012496610020158;PubMed ID: 20506851; Document Type: Article;
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