“…Formol-ether concentration (κ = 0.89) and Kato-Katz (κ = 0.92) showed excellent agreements with the ‘Gold’ standard. …”
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“…Stool samples were processed via formol ether concentration, Kato-Katz, spontaneous tube sedimentation and agar plate culture techniques. …”
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“…Optimal results were obtained from breast tissue fixed in phenol formol saline, methacarn or cold formol saline with positive staining for stabilised p53 protein occurring in 69/95 (73%) cases studied. …”
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“…Cell structures are ultimately exposed to a fixative when the sections are floated on formol-alcohol, but at this stage artefacts due to chemical fixation are expected to be minimized, as the fixatives act on structures tightly packed in methacrylate polymer. …”
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“…Discrete localization of stain in pericanalicular granules was found in 10 µ frozen sections of formol-phosphate-sucrose-fixed liver stained by the Gomori acid phosphatase technique and examined in the light microscope. …”
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“…RESULTS: Fecal specimens from selected schoolchildren and droppings of the vervet monkeys were collected and microscopically examined for intestinal parasites using the Kato-Katz thick smear and formol-ether concentration techniques. The prevalences of S. mansoni, Trichuris trichiura, Ascaris lumbricoides, Enterobius vermicularis, hookworms, Hymenolepis nana and Taenia species among the children were 35.7, 26.9, 24.1, 2.1, 2.1, 1.07 and 2.1%, respectively (by Kato-Katz) and 39.3, 36.1, 35.6, 2.9, 10.0, 4.3, and 2.9%, respectively (by formol-ether concentration). …”
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“…These included time of day of defecation, effects of storage in 10% formalin and 10% formol saline and variation in egg distribution between and within faecal boluses. …”
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“…RESULTS: The overall prevalence of S. mansoni and other helminthes infections using formol-ether concentration technique was 85/279 (30.5%). …”
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“…High prevalence of S. stercoralis was found to be 44.02 % with a combination of formol ether concentration, Baermann concentration, and molecular methods. …”
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“…Experimental methods are described for determining the activity of pepsin preparations by means of changes in the viscosity of gelatin, casein, edestin, and powdered milk solutions, and by the rate of formation of non-protein nitrogen from casein and edestin solutions, or by the increase in formol titration of casein, edestin or gelatin. Activity units for pepsin are defined in terms of these measurements.…”
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“…Samples of liver from untreated rats, from rats infused with unconjugated bilirubin, and from biopsies of human liver were fixed overnight in cold formol-calcium. Frozen sections were stained for acid phosphatase activity by the Gomori lead-glycerophosphate procedure. …”
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“…MATERIAL AND METHOD: 74 cholesteatomas (35 of children) obtained from othologic surgeries were included, fixed in formol 10%. It was made laminas with HE and Picrossisius, with were studied at the optic microscope. …”
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“…A comparison is made of the staining results obtained with Nitro-BT and MTT-Co(++) as acceptors when DPNH is the substrate in frozen sections of cold formol-calcium-fixed rat kidney (normal and following ligation of the blood vessels) and human liver containing lipofuscin granules. …”
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“…Stool samples were collected from school-age children and examined for STH infection using the Kato-Katz and formol-ether concentration methods. Samples were collected also from pre-school children and examined by the formol-ether concentration method. …”
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“…Then the tissue was placed in 10% formol saline. This fluid was used for quick fixation and partial dehydration of the tissue. …”
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“…The specimens were processed microscopically using direct wet mount and formol ether concentration techniques. Modified Ziehl-Neelsen staining of formol-ether concentrated specimens was also performed. …”
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“…RESULTS: Overall prevalence was 0.7 % with Giemsa stained thin smears (GST), 40.1 % with formol gel test (FGT), 47.7 % with CATT/T. evansi, 44.2 % with ELISA/VSG RoTat 1.2, 39.9 % with immune trypanolysis (TL), 31.9 % with TBR1/2 PCR and 30.5 % with RoTat1.2 PCR. …”
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“…RESULTS: From the 317 stool specimens examined using double Kato-Katz thick smear and single formol-ether concentration techniques, 224 (70.7%) were found positive for at least one intestinal helminth species. …”
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“…Studies with rat brain illustrate the usefulness of formol-calcium-fixed tissue for studying both enzymatic "chemoarchitectonics" and intracellular organelles. …”
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“…The fine structure of the mouse and human intercostal muscle neuromuscular junction was studied after brief fixation in a new formol-sucrose fixative. This primary formalin fixation was followed by brief postosmication in buffered 1 per cent osmium tetroxide. …”
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