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However, this method is not always possible in live-cell imaging and may require additional intervention. Another method for reducing the effects of free radicals in the sample is the use of antifade reagents. Unfortunately, most commercial antifade reagents cannot be used in live-cell imaging because of their toxicity. [37]
A primary advantage of using ex vivo tissues is the ability to perform tests or measurements that would otherwise not be possible or ethical in living subjects. Tissues may be removed in many ways, including in part, as whole organs, or as larger organ systems. [citation needed] Examples of ex vivo specimen use include: [citation needed]
Two-photon excitation microscopy of mouse intestine.Red: actin.Green: cell nuclei.Blue: mucus of goblet cells.Obtained at 780 nm using a Ti-sapphire laser.. Two-photon excitation microscopy (TPEF or 2PEF) is a fluorescence imaging technique that is particularly well-suited to image scattering living tissue of up to about one millimeter in thickness.
In systems biology, live single-cell imaging is a live-cell imaging technique that combines traditional live-cell imaging and time-lapse microscopy techniques with automated cell tracking and feature extraction, drawing many techniques from high-content screening. It is used to study signalling dynamics and behaviour in populations of ...
Optical imaging, using light as an investigational tool for biological research and medical diagnosis; Optoacoustic imaging, using the photothermal effect, for the accuracy of spectroscopy with the depth resolution of ultrasound; Photoacoustic Imaging, a technique to detect vascular disease and cancer using non-ionizing laser pulses
Intravital microscopy is a form of microscopy that allows observing biological processes in live animals at a high resolution that makes distinguishing between individual cells of a tissue possible. [1] In mammals, in some experimental settings a surgical implantation of an imaging window is performed prior to intravital microscopy. This allows ...
ImageJ supports image stacks, a series of images that share a single window, and it is multithreaded, so time-consuming operations can be performed in parallel on multi-CPU hardware. ImageJ can calculate area and pixel value statistics of user-defined selections and intensity-thresholded objects.
Imaging of engineered E. coli Nissle 1917 in the mouse gut. Bioluminescence imaging (BLI) is a technology developed over the past decades (1990's and onward). [1] [2] [3] [when?] that allows for the noninvasive study of ongoing biological processes [4] [1] [5] [6] [7] Recently, bioluminescence tomography (BLT) has become possible and several systems have become commercially available.