Physical Changes, Measured by Interference Microscopy, in fresh Landschütz Ascites Tumour Cells after Tragacanth and Mannitol Mustard Treatments
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Dry mass and cell area changes in Ehrlich mouse ascites carcinoma cells after complement-fixation reaction measured by interference microscopy.
Ehrlich ascites carcinoma cells from Swiss mice were treated with rabbit antiserum and rabbit normal serum in the presence of complement. The dry mass changes and cell size changes, as represented by cell area changes, were measured by the interference microscope with a half-shade eyepiece and an eyepiece micrometer. The antiscruin-treated cells were found to have a loss of at least 49.1 per ce...
متن کاملDeoxyribonucleic acid nucleotidyltransferase from Landschütz ascites-tumour cells.
1. A purification procedure for DNA nucleotidyltransferase from Landschütz ascites-tumour cells is described. The enzyme can be separated from endogenous nucleic acid and from triphosphatase and deoxyribonuclease activities measurable at pH7.5. 2. The basic properties of the nucleotidyltransferase reaction are as follows. The enzyme has optimum activity at pH7.2-7.4. It displays an absolute req...
متن کاملcomparison of blood flow velocity changes in posterior cerebral artery measured with transcranial doppler sonography in migraineurs with visual aura and normal persons after photostimulation
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15 صفحه اولLabel-free intracellular transport measured by spatial light interference microscopy.
We show that applying the Laplace operator to a speckle-free quantitative phase image reveals an unprecedented level of detail in cell structure, without the gradient artifacts associated with differential interference contrast microscopy, or photobleaching and phototoxicity limitations common in fluorescence microscopy. This method, referred to as Laplace phase microscopy, is an efficient tool...
متن کاملAbrasion of 6 dentifrices measured by vertical scanning interference microscopy
OBJECTIVES The abrasion of dentifrices is well recognized to eliminate the dental plaque. The aims of this study were to characterize the abrasive powders of 6 dentifrices (3 toothpastes and 3 toothpowders) and to measure the abrasion on a test surface by Vertical Scanning Interference microscopy (VSI). MATERIAL AND METHODS Bright field and polarization microscopy were used to identify the ab...
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ژورنال
عنوان ژورنال: British Journal of Cancer
سال: 1963
ISSN: 0007-0920,1532-1827
DOI: 10.1038/bjc.1963.95