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Cercarial Transformation and in vitro Cultivation of Schistosoma mansoni Schistosomules
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Scanning electron microscopy of integumental surfaces of Schistosoma intercalatum
The Journal of Parasitology
|June 1, 1977
Abstract:
Scanning electron microscopy was employed to study critical point dried Schistosoma intercalatum adults at 120 to 6,000 X magnifications. Well-developed integrumental elevations, or bosses, with variable spination account for the roughness of the male schistosome. The female is relatively smooth even though it possesses minute spines on the posterior part of the body. SEM reveals that the gynecophoral canal of the male, especially the presence of a gynecophoral fold, provides an effective means for clasping the female when in copula.
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01:07Scanning Electron Microscopy
A scanning electron microscope (SEM) is used to study the surface features of a sample by using an electron beam that scans the sample surface in a two-dimensional manner. Typically, areas between ~1 centimeter to 5 micrometers in width can be imaged. SEM can be used to image bacteria, viruses, tissues as well as larger samples like insects. Conventional SEM gives a magnification ranging from 20X to 30,000X and spatial resolution of 50 to 100 nanometers.
Fundamental Principles
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Fundamental Principles
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01:20Immunogold Electron Microscopy
Immunoelectron microscopy utilizes immunogold labeling of endogenous proteins with specific antibodies to detect and localize these proteins in cells and tissues. The procedure provides insights into the distribution and quantification of protein under different stimulation conditions offering clues about their functions. Conjugating highly electron-dense gold particles with primary or secondary antibodies allow antigen detection on and within cells, with high resolution and specificity.