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The title compound N,N'-bistosyl-1H,4H-quinoxaline-2,3-dione (TsQD) provides peroxyoxalate chemiluminescence (PO-CL) when reacted with hydrogen peroxide in the presence of fluorophores. The chemiluminescence (CL) efficiency of TsQD was superior to that of other related compounds such as bis(2,4,6-trichlorophenyl) oxalate (TCPO), a typical oxalate for the(More)
A series of diaryl and bis(4-styrylphenyl) oxalates with electron-donating substituents or fluorescent moieties were subjected to the peroxyoxalate chemiluminescence (PO-CL) reaction, some of which were found to behave in a unprecedented manner. The reaction of bis(p-methyoxyphenyl) oxalate, as a representative example, emits light due not only to the(More)
A kinetic study of peroxyoxalate chemiluminescence reactions employing 2,4,6-trichlorophenyl N-aryl-N-tosyloxamates supports the 1,2-dioxetanones still bearing the eliminating group as the key intermediates that interact with the fluorophores rather than 1,2-dioxetanedione.
Myocardial infarction is a major cause of operative mortality following abdominal aortic surgery. For this reason, routine coronary angiography and, if indicated, coronary revascularization prior to aneurysm repair is recommended. Nevertheless, some controversy still exists concerning the risks of aneurysm rupture and myocardial ischemic events when repair(More)
Coronary artery aneurysm is a relatively rare disease, which may cuase angina, myocardial infarction, or sudeen unexpected death due to thrombosis, emboliozation or rupture. This report describes a case of a 46 year old male who suffered an inferior myocardial infarction with right ventricular involvement, third degree atrioventricular block, cardiogenic(More)
Scattered reports have suggested the association of cancer with bullous disease. We report herein, two surgical cases of lung cancer arising from bullae. Both the patients were males who smoked heavily and the generation of cancer was found simultaneously with the discovery of the bulla. At thoracotomy, it was found that the cancer had arisen from the firm,(More)
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