Results 131 to 140 of about 15,619 (184)

Age-Related Changes in Myeloid Cells and Their Impact on Subcutaneous Melanoma Growth in Mice. [PDF]

Aging Cancer
Landreth KM, Thomas DD, Nohoesu R, Basnet A, Damron FH, Garland-Kledzik M, Kilic ES, Liu TW.   +7 more
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Luminol and lucigenin as detectors for O2ṡ−

Free Radical Biology and Medicine, 1993
Univalent oxidation of luminol and univalent reduction of lucigenin must precede reaction with O2.- if that reaction is to lead to luminescence. The assumption that luminol or lucigenin, per se, reacts with O2.- in a way leading to luminescence is incorrect, and leads to misinterpretation of results.
Irwin Fridovich
exaly   +3 more sources

Study on the proteins–luminol binding by use of luminol as a fluorescence probe

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2013
In this paper, a new mathematical equation of lg(F0-F)/F=1/nlg[P]+1/nlgKa, which was used to obtain interaction parameters (the binding constant Ka and the number of binding sites n) between the protein and the small molecule ligand by using the ligand as a fluorescence (FL) probe, was constructed for the first time.
Xili, He, Zhenghua, Song
openaire   +2 more sources

Luminol assay for superoxide dismutase

Analytical Biochemistry, 1981
Abstract Superoxide dismutase (EC 1.15.1.1) has been assayed by a method utilizing reduction in the chemiluminescence of luminol. This method avoids artifacts introduced in crude tissue preparations by the presence of nonsuperoxide sources of reduction of other substrates; luminol is specific for superoxide.
R E, Bensinger, C M, Johnson
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Illuminating the health and safety of luminol

Science & Justice, 2008
Luminol is a reagent that is used to enhance areas of non-visible bloodstaining and it is one of the most sensitive of such reagents available to the forensic scientist. However, its use, particularly within the UK and some other European countries, has been limited, predominantly due to concerns about the health and safety of the reagent.
Tony, Larkin, Chris, Gannicliffe
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Luminol oxidation with chemiluminescence 6. Oxidation of luminol by xenon difluoride

Bulletin of the Academy of Sciences of the USSR Division of Chemical Science, 1979
1. Luminol undergoes a bimolecular, two-electron oxidation to diazaquinone in reacting with luminol at pH 9–13. 2. The hydrolysis of diazaquinone gives rise to the blue CL component, even in oxygenfree systems. 3. The green CL component is also observed in oxygen-free systems, arising from recombination of amino radicals ...
B. A. Rusin, Yu. V. Koltypin, Yu. N. Kozlov, N. N. Aleinikov   +3 more
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Steric Enhancement of the Chemiluminescence of Luminols

Chemistry – A European Journal, 2015
AbstractA surprising 20‐fold increase in chemiluminescence efficiency was observed for dialkyl luminol derivatives in comparison with the parent compound. This effect could be a direct consequence of steric gearing which facilitates the transition from the intermediate endoperoxide to the electronically excited phthalate.
Axel G. Griesbeck, Yrene Díaz-Miara, Robert Fichtler, Axel Jacobi von Wangelin, Raúl Pérez-Ruiz, Diego Sampedro   +5 more
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The Oxidation of Luminol an Experiment to Maximize the Efficiency of Chemiluminescence from Luminol

The Chemical Educator, 2001
In this work, seven inorganic salts, KCl, Na2 SO4, MgSO4·7H2O, ZnCl2, Na2CrO4, CuSO4·5H2O, and K3[Fe(CN)6], were used as catalysts to induce chemiluminescent luminol oxidation in alkaline aqueous media. It was observed that simple salts containing either Mg2+, Zn2+, Na+ and K+ cations or SO42– and Cl– anions, are not active as catalysts.
Carlos Bustos, Guillermo Salgado, Cecilia López   +2 more
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Photography of Bloodstains Visualized by Luminol

Journal of Forensic Sciences, 1973
Abstract The chemical tests for blood currently in use depend upon the detection of hemoglobin or one of its derivatives [1]. Hemoglobin has several properties which make it suitable for this purpose. The most important, due to its sensitivity, is the peroxidase activity of hemoglobin heme which forms the basis of the benzidine, leuco ...
R A, Zweidinger, L T, Lytle, C G, Pitt
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