A 33-year-old Caucasian pregnant woman (26 weeks' gestation) presented to the emergency department. She had a 2-day history of severe itching of the scalp and steadily worsening swelling of the face over the previous 12 h, which had extended to the neck. She had no difficulty breathing. The itching and swelling had developed 3 days after she had used hair dye. The patient had no history of alle...

The measurement and prediction of dye concentration is important in the design, planning and management of wastewater treatment. Soft computing techniques can be used as a support tool for analyzing data and making prediction. In this study, Central Composite Design (CCD) and adaptive neuro-fuzzy inference system (ANFIS) are employed to identify and predict the output intensity ratio of light t...

The removal of azo dye Naphtol Blue Black in aqueous media with the catalysis of HRP-dextran conjugate was studied. HRP was purified by affinity chromatography using immobilized Con A. Enzyme-dextran conjugate with 1/10 molar ratio was synthesized using dextran aldehyde derivative (Dextran Mw 75.000 Da) and purified enzyme. The reaction was carried out at pH 3, 4, 5, 6, 7 and 8 in a 25, 30, 35,...

The versatility of dye methods for locating cellular enzymes gives them great potentialities as alternatives to metal salt precipitation techniques for electron microscopy, although their use has many attendant difficulties. For example, gross diffusion of the organic dye occurs in embedding media when indigogenic or certain azonaphthol methods are used in attempts to determine the cellular loc...

In 1937 Schiller (1) reported that the dye, light green SF, was carcinogenic for rats but not for mice. In his experiment, 7 rats (white, and spotted black and white) received, once or twice weekly, subcutaneous injections of 1 to 3 cc. of an aqueous 2 per cent, and uhlmately a 3 per cent, solution of the dye. When the animal's condition deteriorated, the injections were omitted or the volume w...

introduction: the effect of apical patency on apical seal is very important in canal preparation. the effect of apical patency on seal of this area was evaluated in this study. methods and materials: in this experimental in vitro study, 90 single rooted mature intact human teeth were cut at cej and were divided in two test groups with 40 each and two control groups with 5 each. canal preparatio...