نتایج جستجو برای: fluorescence studies

تعداد نتایج: 1518923  

A. Divsalar A.A. Saboury*, H. Mansouri-Torshizi R. Rahimi-Vaghar

In the present study, we investigated the effect of a new anticancer Pd(II) complex, 1,10-phenanthroline-n-butyl dithiocarbamato Pd(II) nitrate, on the heme releasing from human hemoglobin (Hb) as well as alterations in the structure and function of Hb using different spectroscopic methods of UV-Vis, fluorescence and circular dichroism (CD)at two temperatures of 25 and 37 °C. Fluorescence data ...

Journal: :journal of sciences, islamic republic of iran 2015
p.s. pourhosseini m. pirhaghghi a.a. saboury f. najafi h. ghourchian

a novel quaternary ammonium-based cationic gemini surfactant (s6) having 1,6 di-bromo hexane as a spacer, have been used and its interaction with insulin in aqueous solution (ph, 7.40) was investigated by several methods including fluorescence spectroscopy, uv-vis spectroscopy, circular dichroism, dynamic light scattering, ζ-potential measurements, conductivity and transmission electron microsc...

2007
WOLFGANG KNOLL AMAL KASRY JING LIU THOMAS NEUMANN LIFANG NIU HYEYOUNG PARK HARALD PAULSEN RUDOLF ROBELEK DANFENG YAO FANG YU

Among the various sensing principles proposed for bioaffinity studies, optical evanescent wave techniques have gained the lead in popularity. Next to evanescent ellipsometry [1] and the various optical waveguide platforms [2,3], surface plasmon resonance (SPR) spectroscopy [4–6], in particular, has found widespread applications and has demonstrated its potential for the sensitive detection of b...

2013
Bastian Rühle Melari Davies Thomas Bein Christoph Bräuchle

In this article, we discuss how fluorescence microscopy techniques are used to investigate important characteristics of porous silica materials. We start with a discussion of the synthesis, formation mechanism and functionalization of these materials. We then give an introduction to single molecule microscopy and show how this technique can be used to gain deeper insights into some defining pro...

Journal: :Blood 1961
J F JACKSON

LTHOUGH FLUORESCENCE microscopy had its beginnings over half a century ago, it has only recently gained widespread usage as a research tool, and practical applications have yet to be fully exploited. Blood has been one of the tissues most extensively studied by fluorochroming,’ but few reports have been published in English. In addition, the previously reported saline dilution technics for supr...

2011
VOLODYMYR CHMYROV Jerker Widengren Volodymyr Chmyrov

2001
G. R. Fleming A. W. E. Knight W. Robinson

Subnanosecond lifetime measurements using picosecond pulses from a mode locked Nd3+/glass laser together with conventional absorption and fluorescence yield methods have been used to study the photophysics of fluorescein and three of its halogenated derivatives (eosin, erythrosin, and rose bengal) in aqueous and simple alcoholic solvents. For each of the dye molecules absorption and fluorescenc...

1998
J. A. CARLISLE S. R. BLANKENSHIP R. N. SMITH J. J. JIA

Resonant inelastic x-ray scattering (RIXS) has been observed in many systems above and below their core threshold. Below threshold, inelastic-loss features are observed, which disperse linearly with excitation energy, but as the excitation increases above the core binding energy, in general nonlinear dispersive effects are observed. These two effects are described by the same physics of coheren...

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