NDLI: Effect of cationic surfactants on enhancement of firefly bioluminescence in the presence of liposomes.

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Effect of cationic surfactants on enhancement of firefly bioluminescence in the presence of liposomes.

Content Provider	Semantic Scholar
Author	Tani, Hirofumi Notani, Mizuyo Kamidate, Tamio
Copyright Year	2008
Abstract	Firefly bioluminescence (BL) was greatly affected by cationic surfactants coexisting with liposomes containing phosphatidylcholine and cholesterol. In this study, the effects of the type and concentration of cationic surfactants on BL were studied in the presence of the liposomes. Three types of cationic surfactant: benzalkonium chloride (BAC), n-dodecyltrimethylammonium bromide (DTAB), and benzethonium chloride (BZC), were used. As a common effect in these surfactants, BL intensity was increased and then drastically decreased with increasing surfactant concentration. This can be explained by the formation of cationic liposomes as BL enhancers at low concentration of the surfactant, and by the transformation into cationic (mixed) micelles as inhibitors at high concentration. The maximal BL intensity and the concentration for the maximal BL were dependent on the type of the surfactants. To explain the differences in these parameters in the enhanced BL, we determined the distribution coefficient, K, of the surfactants to the liposomal membrane. The result indicated that the surfactant with higher K value gives the maximal BL intensity at lower concentration.
Starting Page	569
Ending Page	606
Page Count	38
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://www.jstage.jst.go.jp/article/analsci/24/9/24_9_1111/_pdf
PubMed reference number	18781021v1
Volume Number	24
Issue Number	9
Journal	Analytical sciences : the international journal of the Japan Society for Analytical Chemistry
Language	English
Access Restriction	Open
Subject Keyword	Benzalkonium Chloride Benzethonium Chloride Bioluminescence test Chloride Ion Cholesterol Firefly Family Liposomes Luciferases, Firefly Phosphatidylcholines Tissue membrane dodecyltrimethylammonium bromide methscopolamine bromide
Content Type	Text
Resource Type	Article

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