Detection of cryptosporidium oocysts by auramine and ziehl neelsen staining methods. Cowan and steels manual for the identification of medical. Use of the modified ziehlneelsen stain for faecal smears has already been established for coccidian protozoa, in particular, oocysts of cryptosporidium species. The ziehlneelsen staining technique enables detection of pathogenic coccidian intestinal protozoa in human stool specimens. Mycobacteriology laboratory manual world health organization. Genotyping of mycobacterium leprae present on ziehlneelsen. Afb microscopy examination of smears is a rapid, convenient and inexpensive test all types of specimens can be evaluated sputum, tissue, body fluids. To evaluate and compare the role of ziehlneelsen zn staining and mycobacterial culture in diagnosis of tuberculous.
Ziehl neelsen vs auramine staining technique for detection of acid fast bacilli. Acid fast organisms are those which are capable of retaining the primary stain when treated with an acid fastholding capacity. Bakteri genus mycobacterium dan beberapa spesies nocardia pada dinding selnya mengandung banyak zat lipid lemak sehingga bersifat permeable dengan pewarnaan biasa. This study therefore aimed at assessing the diagnostic performance of fluorescence microscopy fm and ziehlneelsen zn staining techniques. Biasanya dipakai untuk mewarnai golongan mycobacterium m. Conventional smear microscopy with the ziehlneelsen zn stain is a rapid and practical method for detecting acidfast bacilli afb, especially in lowincome. The ziehl neelsen stain zn stain, also called the hot method of afb staining, is a type of differential bacteriological stain used to identify acidfast organisms, mainly mycobacteria.
Pdf to evaluate ziehlneelsen zn staining using variants of carbolfuchsin solution, duplicate smears from 416 samples were stained with. Detection of cryptosporidium oocysts by auramine and ziehl. The lipoid capsule of the acidfast organism takes up carbolfuchsin and resists decolorization with a dilute acid rinse. Pdf comparison of variants of carbolfuchsin solution in ziehl. Ziehlneelsen staining is performed on the following biological samples. Carbol fuchsin, ziehl neelsen page 25 phenol 108952 trade secret select stains trade secret trade secret 4. Most of what is known of the chemistry of the acidfast reaction in mycobacteria has been derived from the study of the ziehlneelsen stain. Ziehl neelsen stain is one of those differential stain used in identifying acid fast bacteria such as mycobacterium tuberculosis and leprae. However, they should be accepted if the patient cannot produce a better specimen on a repeated attempt. Diagnostic yield of fluorescence and ziehlneelsen staining. Modified cold ziehlneelsens stain cryptosporidum and isospora species 43.
658 1427 1186 682 1332 1237 252 437 1293 1446 159 457 1355 429 88 696 1649 967 1225 1441 1421 623 214 190 1330 669 427 775 618 715 1274 24 1215