Resonance Light-Scattering Enhancement Effect of the Y(III)–PUFX–Eosin System and its Fluorescence Study
- Authors: Bano S.1, Mohd A.1,2, Khan A.A.3, Asiri A.M.3, Siddiqui J.A.4, Hussain S.A.1
-
Affiliations:
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia
- Ministry of Higher Education, Applied Biotechnology Department, Sur College of Applied Sciences
- Center of Excellence for Advanced Materials Research and Chemistry Department, Faculty of Science, King Abdulaziz University
- Department of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical University (CVUT)
- Issue: Vol 52, No 2 (2018)
- Pages: 182-190
- Section: Article
- URL: https://journals.rcsi.science/0091-150X/article/view/245067
- DOI: https://doi.org/10.1007/s11094-018-1787-4
- ID: 245067
Cite item
Abstract
Highly sensitive and rapid method for the determination of prulifloxacin (PUFX) has been developed on the basis of ion association reaction of PUFX, Y(III) and eosin Y (EY). In pH 6.5 BR buffer medium, PUFX reacts with Y(III) to form a 2:1 cationic chelate which further reacts with EY to form 2:1 ion-association complex. As a result, not only the spectra of absorption are changed, but quenching of fluorescence and significant enhancement of resonance Rayleigh scattering (RRS) is observed. Furthermore, a new RRS spectrum would appear, and the maximum RRS wavelength was located at about 375 nm. The fluorescence quenching (FQ) and enhanced RRS intensity were directly proportional to the PUFX concentration in the ranges of 1.5 – 7.6 μg mL–1 and 0.004 – 3.0 μg mL–1 with detection limits 8.5 ng mL–1 and 1.1 ng mL–1, respectively. The optimum conditions of RRS method and the effects of coexisting substances on the reaction were investigated. In addition the composition of ion-association complexes, the reaction mechanism, the energy transfer between absorption, fluorescence and RRS and reasons for RRS enhancement were discussed. The methods were applied to the determination of PUFX in pharmaceutical samples with satisfactory results.
About the authors
Shaista Bano
Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia
Author for correspondence.
Email: shaistairfan@yahoo.com
Malaysia, Serdang, Selangor, 43400
Ayaz Mohd
Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia; Ministry of Higher Education, Applied Biotechnology Department, Sur College of Applied Sciences
Email: shaistairfan@yahoo.com
Malaysia, Serdang, Selangor, 43400; Sur, Postal Code: 411
Aftab Aslam Parwaz Khan
Center of Excellence for Advanced Materials Research and Chemistry Department, Faculty of Science, King Abdulaziz University
Email: shaistairfan@yahoo.com
Saudi Arabia, Jeddah, 21589
Abdullah M. Asiri
Center of Excellence for Advanced Materials Research and Chemistry Department, Faculty of Science, King Abdulaziz University
Email: shaistairfan@yahoo.com
Saudi Arabia, Jeddah, 21589
Jamal Akhter Siddiqui
Department of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical University (CVUT)
Email: shaistairfan@yahoo.com
Czech Republic, Prague Thakurova 7, Praha 6, 16629
Siti Aslina Hussain
Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia
Email: shaistairfan@yahoo.com
Malaysia, Serdang, Selangor, 43400