A paper test for occult blood in faeces using ortho-dianisidine.
نویسندگان
چکیده
منابع مشابه
A paper test for occult blood in faeces using ortho-dianisidine.
The capacity of the refrigerator' is approximately 44 cubic feet. The cabinet is insulated throughout with 4 inches of compressed cork, encased outside with painted plywood and inside with stipple-glazed asbestos sheeting. Internal lighting is provided with automatic operation on opening and closing the doors. Cooling is by means of a Prestcold plate type of evaporator and serviced by a Prestco...
متن کاملAn ortho-tolidine hydrochloride test for the detection of occult blood in faeces without dietary restrictions.
The most widely used chemical test for occult blood involves the use of benzidine in one form or another. In the last few years it has been necessary to replace benzidine, because of its carcinogenic properties, by o-tolidine. Kohn and O'Kelly (1952, 1955) described an o-tolidine method for occult blood, but the patients must be on a meat-free diet or a very large number of false positive resul...
متن کاملAn ortho-tolidine method for the detection of occult blood in faeces.
Benzidine is still the most commonly used reagent for occult blood tests in faeces. About three years ago, however, the manufacture of AnalaR benzidine in this country was discontinued as it was shown that benzidine has very marked carcinogenic properties, particularly in some of the stages of purification to AnalaR specification. This did not appear to be widely recognized probably because mos...
متن کاملAssessment of Routine Tests for Occult Blood in Faeces.
Routine chemical methods for the detection of occult blood in faeces depend on the peroxidase-like activity of haemoglobin and its iron-containing degradation products. The clinical value of these tests was first demonstrated by Boas (1901), using a method based on the guaiacum. test for blood described by van Deen (1861). Adler and Adler (1904) claimed that the colour reaction given by benzidi...
متن کاملThe occult blood test.
The original occult blood tests were designed for forensic purposes, Schonbein and van Deen using a chemical test with guaiacum which was more sensitive than the older Teichmann's haemin crystal test. Subsequently similar chemical methods were widely used and in I893 Weber described his version of the guaiacum test for detecting occult blood in the faeces. Boas first made extensive use of this ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Clinical Pathology
سال: 1968
ISSN: 0021-9746
DOI: 10.1136/jcp.21.5.675