- barrier filter
- A filter used in fluorescence microscopy that suppresses unnecessary excitation light that has not been absorbed by the fiber and selectively transmits only the fluorescence.
Forensic science glossary. John C. Brenner . 2012.
Look at other dictionaries:
Filter paper — is a semi permeable paper barrier placed perpendicular to a liquid flow. It is used to separate fine solids from liquids. In laboratories, filter paper is usually used with a filter funnel, Hirsch, or Buchner funnel.TypesFilter paper comes in… … Wikipedia
Filter (optics) — Coloured and Neutral Density filters Optical filters are devices which selectively transmit light of different wavelengths, usually implemented as plane glass or plastic devices in the optical path which are either dyed in the mass or have… … Wikipedia
Environmental threats to the Great Barrier Reef — The Great Barrier Reef is the world s largest coral reef system,cite web|author=UNEP World Conservation Monitoring Centre |year=1980|title=Protected Areas and World Heritage Great Barrier Reef World Heritage Area|url=http://sea.unep… … Wikipedia
Great Barrier Reef — The Great Barrier Reef * UNESCO World Heritage Site … Wikipedia
Low-pass filter — A low pass filter is a filter that passes low frequency signals but attenuates (reduces the amplitude of) signals with frequencies higher than the cutoff frequency. The actual amount of attenuation for each frequency varies from filter to filter … Wikipedia
Water filter — A water filter is a device which removes impurities from water by means of a fine physical barrier, chemical process and/or biological process. Filters are used to cleanse water for irrigation, drinking water, aquariums, and swimming pools.… … Wikipedia
Fluorescein angiography — Fluorescein angiography, or fluorescent angiography, is a technique for examining the circulation of the retina using the dye tracing method. It involves injection of sodium fluorescein into the systemic circulation, and then an angiogram is… … Wikipedia
Ultraviolet photography — is a photographic process of recording images by using light from the ultraviolet (UV) spectrum only.OverviewLight which is visible to the human eye covers the spectral region from about 400 to 750 nanometers. This is the radiation spectrum used… … Wikipedia
Christoph 20 — D HDMA Luftrettungszentrum Daten Betreiber: ADAC Luftrettung GmbH, München … Deutsch Wikipedia
Fluoreszenzangiographie — ist ein bildgebendes Verfahren zur Diagnostik von Erkrankungen des Augenhintergrundes (siehe Angiographie). Dabei wird bei medikamentös erweiterter Pupille die Anflutung und Verteilung eines geeigneten Farbstoffes, beispielsweise Fluorescein oder … Deutsch Wikipedia