PoplarV1, Main, Exploration, bibRecord, 002B15

Effects of dry ice on gas permeability of nano-silver-impregnated Populus nigra and Fagus orientalis.

Identifieur interne : 002B15 ( Main/Exploration ); précédent : 002B14; suivant : 002B16

Effects of dry ice on gas permeability of nano-silver-impregnated Populus nigra and Fagus orientalis.

Auteurs : H R Taghiyari [Iran] ; M. Layeghi ; F. Aminzadeh Liyafooee

Source :

IET nanobiotechnology [ 1751-8741 ] ; 2012.

RBID : pubmed:22559705

Descripteurs français

KwdFr :
- Argent (composition chimique), Bois (composition chimique), Eau (MeSH), Fagus (composition chimique), Gaz (MeSH), Microscopie électronique à balayage (MeSH), Nanoparticules métalliques (composition chimique), Neige carbonique (MeSH), Perméabilité (MeSH), Populus (composition chimique), Taille de particule (MeSH).
MESH :
- composition chimique : Argent, Bois, Fagus, Nanoparticules métalliques, Populus.
- Eau, Gaz, Microscopie électronique à balayage, Neige carbonique, Perméabilité, Taille de particule.

English descriptors

KwdEn :
- Dry Ice (MeSH), Fagus (chemistry), Gases (MeSH), Metal Nanoparticles (chemistry), Microscopy, Electron, Scanning (MeSH), Particle Size (MeSH), Permeability (MeSH), Populus (chemistry), Silver (chemistry), Water (MeSH), Wood (chemistry).
MESH :
- chemical , chemistry : Silver.
- chemical : Dry Ice, Gases, Water.
- chemistry : Fagus, Metal Nanoparticles, Populus, Wood.
- Microscopy, Electron, Scanning, Particle Size, Permeability.

Abstract

Effects of dry-ice treatment (frozen CO(2) at -78.5°C) on gas permeability of untreated and nano-silver-impregnated poplar and beech specimens were studied here on the basis of their biological structure and woody mass as well as their vessel element types. A 200 ppm aqueous dispersion of silver nano-particles was used for impregnation; the size range of silver nano-particles was 20-80 nm. Dry-ice treatment increased gas permeability by 87 and 45% in poplar and beech, respectively. Nano-silver impregnation also increased gas permeability by 190 and 89% in poplar and beech, respectively. Dry-ice treatment on nano-silver-impregnated specimens increased gas permeability even more (31% increase in poplar but only 0.96% in beech). It may be concluded that dry-ice treatment on solid woods may be used as a practical method to increase permeability in species that because of their biological structures are impermeable; since this method alters the biological structure slightly and consequently decreases mechanical strength of solid woods insignificantly, it may substitute methods such as incising to increase permeability.

DOI: 10.1049/iet-nbt.2011.0048
PubMed: 22559705

Affiliations:

Iran

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Le document en format XML

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<author><name sortKey="Taghiyari, H R" sort="Taghiyari, H R" uniqKey="Taghiyari H" first="H R" last="Taghiyari">H R Taghiyari</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Dry Ice (MeSH)</term>
<term>Fagus (chemistry)</term>
<term>Gases (MeSH)</term>
<term>Metal Nanoparticles (chemistry)</term>
<term>Microscopy, Electron, Scanning (MeSH)</term>
<term>Particle Size (MeSH)</term>
<term>Permeability (MeSH)</term>
<term>Populus (chemistry)</term>
<term>Silver (chemistry)</term>
<term>Water (MeSH)</term>
<term>Wood (chemistry)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Argent (composition chimique)</term>
<term>Bois (composition chimique)</term>
<term>Eau (MeSH)</term>
<term>Fagus (composition chimique)</term>
<term>Gaz (MeSH)</term>
<term>Microscopie électronique à balayage (MeSH)</term>
<term>Nanoparticules métalliques (composition chimique)</term>
<term>Neige carbonique (MeSH)</term>
<term>Perméabilité (MeSH)</term>
<term>Populus (composition chimique)</term>
<term>Taille de particule (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Silver</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Dry Ice</term>
<term>Gases</term>
<term>Water</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Fagus</term>
<term>Metal Nanoparticles</term>
<term>Populus</term>
<term>Wood</term>
</keywords>
<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Argent</term>
<term>Bois</term>
<term>Fagus</term>
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<term>Permeability</term>
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<front><div type="abstract" xml:lang="en">Effects of dry-ice treatment (frozen CO(2) at -78.5°C) on gas permeability of untreated and nano-silver-impregnated poplar and beech specimens were studied here on the basis of their biological structure and woody mass as well as their vessel element types. A 200 ppm aqueous dispersion of silver nano-particles was used for impregnation; the size range of silver nano-particles was 20-80 nm. Dry-ice treatment increased gas permeability by 87 and 45% in poplar and beech, respectively. Nano-silver impregnation also increased gas permeability by 190 and 89% in poplar and beech, respectively. Dry-ice treatment on nano-silver-impregnated specimens increased gas permeability even more (31% increase in poplar but only 0.96% in beech). It may be concluded that dry-ice treatment on solid woods may be used as a practical method to increase permeability in species that because of their biological structures are impermeable; since this method alters the biological structure slightly and consequently decreases mechanical strength of solid woods insignificantly, it may substitute methods such as incising to increase permeability.</div>
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Effects of dry ice on gas permeability of nano-silver-impregnated Populus nigra and Fagus orientalis.

Effects of dry ice on gas permeability of nano-silver-impregnated Populus nigra and Fagus orientalis.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki