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5“…It was shown that the inactivation and the subsequent reactivation cannot be explained by the toxicity of the formaldehyde or of the formolized protein or by aggregation. Inactivation was accompanied by a decrease in amino groups as indicated by Van Slyke gasometric determinations and by colorimetric estimations using ninhydrin. …”
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6por Traub, Erich“…Guinea pigs can be immunized against lymphocytic choriomeningitis by 2 or 3 injections with formolized vaccines prepared from a variety of infected guinea pig tissues. …”
Publicado 1938
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8“…The results observed after experimental inoculation of active mumps virus into 41 vaccinated and 32 unvaccinated children,—with the consent of their parents or guardians,—indicated that formol-inactivated mumps virus obtained from the parotid gland of the infected monkey and employed as a vaccine in the manner which has been described increased the resistance of about half of those to whom it was administered.…”
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9“…The induced resistance is not due to residual traces of active virus which might possibly have escaped detection in the formolized tissue preparations.…”
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10por Lier, Tore, Simonsen, Gunnar S., Wang, Tianping, Lu, Dabing, Haukland, Hanne H., Vennervald, Birgitte J., Johansen, Maria V.“…BACKGROUND: The endemic countries are in a diagnostic dilemma concerning Schistosoma japonicum with increasing difficulties in diagnosing the infected individuals. The formol-ethyl acetate sedimentation concentration technique is preferred by many clinical microbiology laboratories for the detection of parasites in stool samples. …”
Publicado 2009
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11“…The aim of this study was to evaluate the operational characteristics (sensitivity and negative predictive value (NPV)) of wet mount, formol-ether concentration (FEC), and Kato-Katz techniques for the determination of intestinal parasitic infections. …”
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13“…By intraperitoneal inoculation, on the other hand, serum collected from guinea pigs immunized by means of active virus reveals high protective power, while that from animals receiving formolized, inactive virus exhibits lower neutralization titers which approach those obtained by the intracerebral method. …”
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16por Munger, Bryce L.“…The magnitude of birefringence increased with longer fixation. Neutral formol also reversed the sign to radially negative, but the magnitude did not increase with longer fixation. …”
Publicado 1958
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17“…In the rat, enzyme activity in the proximal tubule membranes does not survive formol-calcium fixation, and it is therefore necessary to use unfixed sections for its demonstration. …”
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18“…Phospholipids are retained almost quantitatively in tissue fixed in formol-calcium, and in phosphate-, collidine-, or triethanolamine-buffered formalin. …”
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19“…Stool samples were collected from each participant and processed via formol-ether concentration, Kato-Katz, and spontaneous tube sedimentation techniques. …”
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20“…This method determines a constant fraction of the groups titratable by formol titration. The ratio formol: direct titration is represented by a factor "f" which is presumed to be distinct for each protein-enzyme system. …”
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