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The Influence of Process Parameters on the Size of Chitosan Microspheres Studied by Experimental Design
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Investigations have been carried out to elucidate the influence of the decision parameters on the particle size of chitosan microspheres intended as support for immobilized enzymes. The chitosan particles were prepared by w/o emulsion crosslinking method by dispersing the aqueous chitosan solution in an oil phase composed of 40 v/v% paraffin oil and 60 v/v% n-octane in the presence of Tween 80 surfactant agent. After emulsification the droplets were hardened by glutaraldehyde crosslinking agent resulting in spherical microparticles. During a series of experiments the speed of stirring applied for emulsification, the concentration of the chitosan, the relative amounts of the surfactant and the glutaraldehyde were varied according to a plan obtained by four factorial three levels experimental design. The depending variable was the mean size of the chitosan microspheres. After evaluating the result of the experiments it was found that the concentration of chitosan, the relative amounts of the surfactant and crosslinking agents had significant influence on the particle size, while surprisingly the stirring rate had only non significant, minor effect.
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<div class="BookChapter Publication short-list"> <div class="authors"> <span class="author-name" mtid="10062699"> <a href="/gui2/?type=authors&mode=browse&sel=10062699" target="_blank">Biro, E</a> </span> <span class="author-type"> </span> ; <span class="author-name" mtid="10033981"> <a href="/gui2/?type=authors&mode=browse&sel=10033981" target="_blank">Nemeth, A Sz</a> </span> <span class="author-type"> </span> ; <span class="author-name" > Sisak, Cs </span> <span class="author-type"> </span> ; <span class="author-name" mtid="10002974"> <a href="/gui2/?type=authors&mode=browse&sel=10002974" target="_blank">Feczko, T</a> </span> <span class="author-type"> </span> ; <span class="author-name" mtid="10001631"> <a href="/gui2/?type=authors&mode=browse&sel=10001631" target="_blank">Gyenis, J</a> </span> <span class="author-type"> </span> </div ><div class="title"><a href="/gui2/?mode=browse¶ms=publication;1161650" mtid="1161650" target="_blank">The Influence of Process Parameters on the Size of Chitosan Microspheres Studied by Experimental Design</a></div> <div class="InBook">In: Peukert, W; Schreglmann, C (szerk.) <span class="booktitle"><a href="/gui2/?mode=browse¶ms=publication;1161649" target="_blank">International Congress on Particle Technology, PARTEC 2007 : Proceedings </a></span > </div><div class="pub-info"> <span class="publishedAt">Nürnberg, Németország : <span class="publisher">NürnbergMesse GmbH</span> <span class="year">(2007)</span> <span class="page"> pp. P09_05/1-4. </span> </div> <div class="pub-end"><div class="identifier-list"> <span class="identifiers"> </span> </div> <div class="short-pub-prop-list"> <span class="short-pub-mtid"> Közlemény:1161650 </span> <span class="status-holder"><span class="status-data status-ADMIN_APPROVED"> Admin láttamozott </span></span> <span class="pub-core">Forrás </span> <span class="pub-type">Könyvrészlet (Konferenciaközlemény ) </span> <!-- && !record.category.scientific --> <span class="pub-category">Tudományos</span> </div> </div> </div><div class="BookChapter Publication long-list">
<div class="authors">
<img title="Forrásközlemény" style="float: left" src="/frontend/resources/grid/publication-core-icon.png">
<div class="autype autype0"> <span class="author-name" mtid="10062699"><a
href="/gui2/?type=authors&mode=browse&sel=10062699" target="_blank">Biro E
(<span class="authorship-author-name">Biró Emese</span>
<span class="authorAux-mtmt"> Funkcionális Nanorészecskék</span>)
</a>
</span>
;
<span class="author-name" mtid="10033981"><a
href="/gui2/?type=authors&mode=browse&sel=10033981" target="_blank">Nemeth A Sz
(<span class="authorship-author-name">Szemesné Németh Ágnes</span>
<span class="authorAux-mtmt"> műszaki kémia</span>)
</a>
</span>
;
<span class="author-name" >Sisak Cs
</span>
;
<span class="author-name" mtid="10002974"><a
href="/gui2/?type=authors&mode=browse&sel=10002974" target="_blank">Feczko T
(<span class="authorship-author-name">Feczkó Tivadar</span>
<span class="authorAux-mtmt"> Nanotechnológia, mikrokapszulázás</span>)
</a>
</span>
;
<span class="author-name" mtid="10001631"><a
href="/gui2/?type=authors&mode=browse&sel=10001631" target="_blank">Gyenis J
(<span class="authorship-author-name">Gyenis János</span>
<span class="authorAux-mtmt"> Vegyipari műveletek, eljárások</span>)
</a>
</span>
<span class="author-affil"><span title="Pannon Egyetem">PE</span>/<span title="Műszaki Informatikai Kar">MIK</span>/Műszaki Kémiai Kutatóintézet</span>
</div>
</div>
<div class="title"><a href="/gui2/?mode=browse¶ms=publication;1161650" target="_blank">The Influence of Process Parameters on the Size of Chitosan Microspheres Studied by Experimental Design</a></div> <div class="InBook"><div class="chapter-in">In:</div> <div class="authors">
<div class="autype autype-1"> <span class="author-name" >Peukert W
</span>
;
<span class="author-name" >Schreglmann C
</span>
(szerk.) </div>
</div>
<div class="booktitle"><a href="/gui2/?mode=browse¶ms=publication;1161649" target="_blank">International Congress on Particle Technology, PARTEC 2007 : Proceedings </a></div>
<div class="conference">
Konferencia helye, ideje:
<span class="location">Nürnberg, Németország
<span class="conference-date">2007.03.27.
-
2007.03.29.</span>
</div>
<span class="publishedAt">Nürnberg:
<span class="publishers">NürnbergMesse GmbH</span>,
<span class="page">
pp P09_05/1-4
</span> <span class="year">(2007)</span>
</div>
<div class="pub-footer">
<span class="language" xmlns="http://www.w3.org/1999/html">Nyelv:
Angol
</span>
<span class="identifiers">
</span>
<div class="mtid"><span class="long-pub-mtid">Közlemény: 1161650</span>
| <span class="status-data status-ADMIN_APPROVED"> Admin láttamozott
</span>
<span class="long-book-mtid">Befoglaló: 1161649</span>
<span class="oldId">Régi azonosító: 1161650</span> |
<span class="oldId">Befoglaló: 1161649</span>
Forrás
| <span class="type-subtype">Könyvrészlet
( Konferenciaközlemény
)
</span>
| <span class="pub-category">Tudományos</span>
| <span class="publication-sourceOfData">kézi felvitel</span>
</div>
<div class="lastModified">Utolsó módosítás: 2023.12.09. 17:58 Vasvari Lilian (MTMT Központ, admin)
</div>
<pre class="comment" style="margin-top: 0; margin-bottom: 0;"><u>Megjegyzés</u>: Kiadó: University of Erlangen-Nuremberg - NürnbergMesse Germany</pre>
</div>
</div>