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Infinity TIRF Accessories

DMi8 S module Infinity TIRF

Leica photomanipulation

Photomanipulation

The term photomanipulation encompasses a range of techniques that utilize the properties of fluorescent molecules to initiate events and observe how dynamic complexes behave over time in living cells. Whether bleaching, activating, converting, ablating or combining techniques, researchers need to have a system fully capable of performing and capturing events in high resolution.

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Live Cell Imaging

Shifting perspective from single microscope components to a full working live cell imaging solution, Leica Microsystems integrates microscope, LAS X imaging software, cameras, and dedicated third-party components into a complete live cell imaging system.

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Video Talk by Daniel Axelrod: Total Internal Reflection Fluorescence (TIRF) Microscopy

Total Internal Reflection Fluorescence (TIRF) Microscopy is a technique that only illuminates dye molecules near a surface. In this video, the pioneer of TIRF Microscopy describes what this technique is used for, explains the principles of the evanescent wave, gives many examples of different microscope configurations used in TIRF, and shows how polarized light TIRF can be used to image membrane orientation.

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TIRF Publication List

This monthly updated references list presents current papers using Leica AM TIRF in the major application fields for TIRF microscopy.

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Total Internal Reflection Fluorescence (TIRF) Microscopy

Total internal reflection fluorescence (TIRF) is a special technique in fluorescence microscopy developed by Daniel Axelrod at the University of Michigan, Ann Arbor in the early 1980s. TIRF microscopy delivers images with an outstandingly high axial resolution below 100 nm. This allows the observation of membrane-associated processes.

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Applications of TIRF Microscopy in Life Science Research

The special feature of TIRF microscopy is the employment of an evanescent field for fluorophore excitation. Unlike standard widefield fluorescence illumination procedures with arc lamps, LEDs or lasers, the evanescent field only penetrates the specimen by about 100 nm starting from the coverslip/medium interface.

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Live-cell Imaging Techniques

The understanding of complex and/or fast cellular dynamics is an important step for exploring biological processes. Therefore, today’s life science research is increasingly focusing on dynamic processes like cell migration, morphological changes of cells, organs or whole animals and physiological (e.g. changes of intracellular ion composition) events in living specimens in real time.

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Video Interview with William Hughes

William Hughes works at the Garvan Institute of Medical Research, Sydney (Australia). In his Lab Head position he is interested in the causes of diabetes particularly looking at changes in exocytic behavior of pancreatic beta cells as well as fat and muscle cells. TIRF microscopy is predestined for researchers looking at cellular processes near the cytoplasmic membrane.

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