Fluorescence enhancement of yttrium(III)-rutin by nucleic acids in the presence of cetyltrimethylammonium bromide. 2006

Xia Wu, and Changying Guo, and Fei Wang, and Jinghe Yang, and Dehuan Ran, and Jinhua Zheng, and Jinbo Wu
Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, PR China.

It is found that nucleic acids can enhance the fluorescence intensity of yttrium(III) (Y(3+))-rutin in presence of cetyltrimethylammonium bromide (CTMAB) system. In hexamethylenetetramine (HMTA)-HCl buffer, the maximum enhanced fluorescence is produced, with maximum excitation and emission wavelengths at 452 and 520 nm, respectively. Based on this, a new fluorimetric method of determination of nucleic acids is proposed. Under optimum conditions, the enhanced fluorescence intensity is proportion to the concentration of nucleic acids in the range of 1.0 x 10(-7) to 1.0 x 10(-5)g/ml for fish sperm DNA (fsDNA), 1.0 x 10(-7) to 4.6 x 10(-6)g/ml for yeast RNA (yRNA), their detection limits (S/N=3) are 7.5 x 10(-8), 8.0 x 10(-8)g/ml, respectively. The interaction mechanism is also studied.

UI MeSH Term Description Entries
D008297 Male Males
D002593 Cetrimonium Compounds Cetyltrimethylammonium compounds that have cationic detergent, antiseptic, and disinfectant activities. They are used in pharmaceuticals, foods, and cosmetics as preservatives; on skin, mucous membranes, etc., as antiseptics or cleansers, and also as emulsifiers. These compounds are toxic when used orally due to neuromuscular blockade. Cetyltrimethylammonium Compounds,Cetrimides,Compounds, Cetrimonium,Compounds, Cetyltrimethylammonium
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D005399 Fishes A group of cold-blooded, aquatic vertebrates having gills, fins, a cartilaginous or bony endoskeleton, and elongated bodies covered with scales.
D005453 Fluorescence The property of emitting radiation while being irradiated. The radiation emitted is usually of longer wavelength than that incident or absorbed, e.g., a substance can be irradiated with invisible radiation and emit visible light. X-ray fluorescence is used in diagnosis.
D000077286 Cetrimonium Cetyltrimethylammonium compound whose salts and derivatives are used primarily as topical antiseptics. 1-Hexadecyltrimethylammonium Chloride,CTAB,CTAOH,Cetavlon,Cetrimide,Cetriminium,Cetrimonium Bromide,Cetrimonium Chloride,Cetrimonium Hydroxide,Cetrimonium Iodide,Cetrimonium Methosulfate,Cetrimonium Methyl Sulfate,Cetrimonium Monosulfate,Cetyltrimethylammonium Bromide,Cetyltrimethylammonium Chloride,HTAB Cpd,Hexadecyl Trimethyl Ammonium Bromide,Hexadecyl(trimethyl)azanium,Hexadecyltrimethylammonium Bromide,Hexadecyltrimethylammonium Octylsulfonate,Octylsulfonate, Hexadecyltrimethylammonium
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012313 RNA A polynucleotide consisting essentially of chains with a repeating backbone of phosphate and ribose units to which nitrogenous bases are attached. RNA is unique among biological macromolecules in that it can encode genetic information, serve as an abundant structural component of cells, and also possesses catalytic activity. (Rieger et al., Glossary of Genetics: Classical and Molecular, 5th ed) RNA, Non-Polyadenylated,Ribonucleic Acid,Gene Products, RNA,Non-Polyadenylated RNA,Acid, Ribonucleic,Non Polyadenylated RNA,RNA Gene Products,RNA, Non Polyadenylated
D012331 RNA, Fungal Ribonucleic acid in fungi having regulatory and catalytic roles as well as involvement in protein synthesis. Fungal RNA
D012431 Rutin A flavonol glycoside found in many plants, including BUCKWHEAT; TOBACCO; FORSYTHIA; HYDRANGEA; VIOLA, etc. It has been used therapeutically to decrease capillary fragility. 3-Rhamnosyl-Glucosyl Quercetin,Quercetin-3-Rutinoside,Rutoside,Quercetin 3 Rutinoside,Quercetin, 3-Rhamnosyl-Glucosyl

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