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Three presentation slides about fluorescence microscopy and electron microscopy with bullet points and images.

Mache zwei präsentationsfolien (mit stichpunkten, außer bei der 5.folie da eine tabelle): Folie 3 – Fluoreszenzmikroskopie ✨ Bild → Hier soll ein Bild von einem Fluoreszenzmikroskop hin. Funktionsweise Bei der Fluoreszenzmikroskopie werden bestimmte Strukturen in einer Probe mit einem Fluoreszenzfarbstoff markiert. Die Probe wird mit Licht einer bestimmten Wellenlänge beleuchtet. Der Farbstoff nimmt die Energie des Lichtes auf. Danach gibt er Licht einer anderen Wellenlänge ab. Ein Filter lässt dieses Licht zum Detektor durch. Die markierte Struktur wird dadurch leuchtend sichtbar. Beispiel: Wird ein bestimmtes Protein mit einem grünen Fluoreszenzfarbstoff markiert, erscheint es im Mikroskop grün leuchtend. Anwendungsbereiche Proteine Zellorganellen Krankheitserreger Krebsforschung Folie 4 – Elektronenmikroskopie ⚡ Bild → Hier soll ein Bild von einem Elektronenmikroskop hin. Funktionsweise Elektronenmikroskope verwenden Elektronen statt sichtbarem Licht. Beim Rasterelektronenmikroskop (REM) wird ein Elektronenstrahl über die Oberfläche der Probe geführt. Der Elektronenstrahl tastet die Oberfläche ab. Dabei entstehen verschiedene Signale. Detektoren nehmen diese Signale auf. Daraus wird ein stark vergrößertes Bild erstellt. Durch die Verwendung von Elektronen können sehr kleine Strukturen sichtbar gemacht werden. Anwendungsbereiche Zelloberflächen Materialien Nanostrukturen Bruchflächen Folie 5 – Fluoreszenzmikroskopie vs. REM Fluoreszenzmikroskopie REM Vorteile Vorteile Ver más

#education #presentation #science

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