DNA Liquid-Crystalline Gel as Adsorbent of Carcinogenic Agent

DNA liquid crystalline gel (LCG) has been newly prepared by a dialysis of concentrated DNA solutions into concentrated metal cation solutions. The condition for forming DNA LCG is examined by means of the insolubilization reaction. The shrinking ratio and the ratio of the thickness of LCG layer, δ,...

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Veröffentlicht in:	Langmuir 2007-01, Vol.23 (3), p.1303-1306
Hauptverfasser:	Dobashi, Toshiaki, Furusawa, Kazuya, Kita, Erika, Minamisawa, Yoshiyuki, Yamamoto, Takao
Format:	Artikel
Sprache:	eng
Schlagworte:	Acridine Orange - chemistry Acridine Orange - isolation & purification Adsorption Carcinogens - chemistry Carcinogens - isolation & purification Chemistry Dialysis DNA - chemistry Electrochemistry Exact sciences and technology Gels General and physical chemistry Methods Solutions Surface physical chemistry
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Beschreibung
Zusammenfassung:	DNA liquid crystalline gel (LCG) has been newly prepared by a dialysis of concentrated DNA solutions into concentrated metal cation solutions. The condition for forming DNA LCG is examined by means of the insolubilization reaction. The shrinking ratio and the ratio of the thickness of LCG layer, δ, and the diameter of the dialysis tube, d 0, do not depend on d 0. The adsorption of one of carcinogenic agents, acridine orange is demonstrated. From the experimental results, the mechanism for forming DNALCG is discussed.
ISSN:	0743-7463 1520-5827
DOI:	10.1021/la061412+