نتایج جستجو برای: erythrosine

تعداد نتایج: 200  

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2009
Takako Yamaguchi Masahiro Nakao Ryosuke Nakahara Yuka Nishioka Chiho Ikeda Yoshikazu Fujita

A simple and sensitive spectrophotometric method for the determination of quinolone antibiotics was established based on an association complex formation with aluminum(III) and erythrosin. In the determination of ofloxacin as a quinolone antibiotic, Beer's law is obeyed in the range of 0.1 - 3.2 microg ml(-1), with an effective molar absorptivity at 555 nm and the relative standard deviation be...

Journal: :Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 2012
Farah Maria Drumond Chequer Vinícius de Paula Venâncio Maria de Lourdes Pires Bianchi Lusânia Maria Greggi Antunes

Erythrosine (ErB) is a xanthene and an US Food and Drug Administration approved dye used in foods, drugs and cosmetics. Although its utilization is permitted, ErB is described as inhibitor of enzymes and protein-protein interactions and is toxic to pituitary and spermatogenesis processes. However, the genotoxicity and mutagenicity of ErB is inconclusive in the literature. This study aimed to an...

2017
Quentin Béchet Martin Laviale Nicolas Arsapin Hubert Bonnefond Olivier Bernard

BACKGROUND Culture collapse due to high temperatures can significantly impact the profitability of outdoor algal cultivation systems. The objective of this study was to model for the first time the impact of high temperatures on algal activity and viability. RESULTS Viability measurements on Dunaliella salina cultures were based on cytometry with two fluorescent markers (erythrosine and fluor...

Journal: :Physiological research 2003
M Gregor M Kubala E Amler J Mejsnar

Myofibril-bound creatine kinase EC 2.7.3.2 (CK), a key enzyme of muscle energy metabolism, has been selected for studies of conformational changes that underlie the cellular control of enzyme activity. For fluorescence spectroscopy measurements, the CK molecule was double-labeled with IAF (5-iodoacetamidofluorescein) and ErITC (erythrosin 5'-isothiocyanate). Measurement of fluorescence resonanc...

Journal: :dental research journal 0
habibollah ghanbari seyed amir mousavi ali forouzanfar mahdi zakeri hooman shafaee shirin shahnaseri

treatment with antimicrobial chemotherapeutic agents, alternative approaches such as lethal photosensitization are being used. the aim of this study was to evaluate the effect of visible light and laser beam radiation in conjugation with three different photosensitizers on the survival of two main periodontopathogenic bacteria including porphyromonas gingivalis and fusobacterium nucleatum in di...

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