منابع مشابه
Polystyrene mounting medium.
Polystyrene mounting medium obtainable Ltd, 20 Du The medium described by Kirkpatrick One pounc and Lendrum (1939) and named by them mountant DPX (Distrene plasticised in xylene) was (75°% one replaced by a better formula in 1941. This medium BPS (butyl phthalate plasticised styrene) has given excellent and economical service until recently. The current trouble was not due to the makers of the ...
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A considerable need has been felt for a simple and reliable method of mounting serial sections for electron microscopy. Techniques so far published have necessitated special optical and micromanipulative equipment. An extremely simple and inexpensive micromanipulator capable of very fine movements in three dimensions was first described by Goldacre (1954). It consisted of several glass microsco...
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Various tools have been employed in studying and computing beam or field propagation in a medium with variation of small refractive index Feit and (Fleck,et al,1976)(Fleck,1978)( Ugwu et al,2007) some researchers had employed beam propagation method based on diagonalization of the Hermitian operator that generates the solution of the Helmholtz equation in media with real refractive indices (Thy...
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The use of high numerical aperture immersion lenses in optical microscopy is compromised by spherical aberrations induced by the refractive index mismatch between the immersion system and the embedding medium of the sample. Especially when imaging >10 micro m deep into the specimen, the refractive index mismatch results in a noticeable loss of image brightness and resolution. A solution to this...
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ژورنال
عنوان ژورنال: Nature
سال: 1930
ISSN: 0028-0836,1476-4687
DOI: 10.1038/125276a0