نتایج جستجو برای: cytochemistry
تعداد نتایج: 1085 فیلتر نتایج به سال:
The interactions between the L. pneumophila phagosome and monocyte lysosomes were investigated by prelabeling the lysosomes with thorium dioxide, an electron-opaque colloidal marker, and by acid phosphatase cytochemistry. Phagosomes containing live L. pneumophila did not fuse with secondary lysosomes at 1 h after entry into monocytes or at 4 or 8 h after entry by which time the ribosome-lined L...
Newer concepts in the application of cytochemistry to the diagnosis of haematological malignancies are discussed. The underlying physiological principles and location of the various enzymes are indicated. Older stains, once thought to be diagnostic, have been shown to be nonspecific. Newer, more accurate stains are now available.
We describe a method for leukocyte sorting by a microarray of anti-cluster-of-differentiation (anti-CD) antibodies and for preparation of the bound cells for morphological or cytochemical examination. The procedure results in a "sorted" smear with cells positive for certain surface antigens localised in predefined areas. The morphology and cytochemistry of the microarray-captured normal and neo...
A new cytochemical technique, sensitive to altered lysosomal membrane permeability of blood neutrophils, has been evaluated as a screening test for bacterial infection. This technique, for the lysosomal enzymes acid phosphatase and chloroacetate esterase, was compared with the neutrophil alkaline phosphatase and nitroblue tetrazolium tests. The mean score for each method was significantly highe...
By MARCEL BEsSIS T HE STUDY OF BLOOD CELLS by classic-al Isist.ological and hematological technics does usot seem likely to utsdcrgo munch furthser development, ansd for this reasots a special inst.erest in new methods of imsvestigations, including cytochemistry, electron microscopy, and phase contrast microscopy has developed svit.hius recetit years. We shall try to summarize the resunlts obta...
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