Fundamental Knowledge on Fluorescence Microscopy
نویسندگان
چکیده
منابع مشابه
Fluorescence and fluorescence microscopy
The concept of specific cellular antigen staining by use of an immunofluorescent technique was introduced by AH COONS and co-workers about 60 years ago. Fluorescent probes are efficient tools and enable the detection of particular components in complex structures of organs including live cells. Under the condition of specific molecular interactions, fluorochrome labeled ligands allow the select...
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When organic or inorganic specimens absorb and subsequently reradiate light, the process is typically a result of fluorescence or phosphorescence. Fluorescence emission is nearly simultaneous with the absorption of the excitation light as the time delay between photon absorption and emission is typically less than a microsecond. When the emission persists long after the excitation light is exti...
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The human eye requires contrast to perceive details of objects. Several ingenious methods of improving the contrast of microscopy images have been designed, and each of them opened new applications of optical microscopy in biology. The simplest and very effective contrasting method is ‘‘dark field.’’ It exploits the scattering of light on small particles that differ from their environment in re...
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The mathematical theory of compressed sensing (CS) asserts that one can acquire signals from measurements whose rate is much lower than the total bandwidth. Whereas the CS theory is now well developed, challenges concerning hardware implementations of CS-based acquisition devices—especially in optics—have only started being addressed. This paper presents an implementation of compressive sensing...
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Two-photon fluorescence microscopy has become an indispensable tool for imaging scattering biological samples by detecting scattered fluorescence photons generated from a spatially confined excitation volume. However, this optical sectioning capability breaks down eventually when imaging much deeper, as the out-of-focus fluorescence gradually overwhelms the in-focal signal in the scattering sam...
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ژورنال
عنوان ژورنال: Journal of Nippon Medical School
سال: 1952
ISSN: 0048-0444,1884-0108
DOI: 10.1272/jnms1923.19.361