Fluorescence-Gating Mechanism
Fig. 7.1 Schematic diagram of modelling the image of a fluorescent edge and the definition of transverse resolution The signal level η is defined as the number of fluorescence photons generated…
Fig. 7.1 Schematic diagram of modelling the image of a fluorescent edge and the definition of transverse resolution The signal level η is defined as the number of fluorescence photons generated…
Fig. 2.1 Scattered intensity distribution around a dielectric particle (n = 1.51) of different radii: a a = 0.05 µm, and b a = 1 µm. The solid and dotted curves correspond to the S and P polarization states…
Fig. 6.1 Experimental reflection scanning optical microscope with differential polarization-gating mechanism. A aperture, B beamsplitter, DT detector, L lens, LP polariser, O objective, P pinhole. Reprinted with permission from [1], 1998,…
Fig. 5.1 Angular-temporal photon distribution of a 20-fs ultrashort pulsed beam propagating through a turbid slab (l s = 40 μm, d/l s = 4). The time t is a local time, so t = 0 corresponds to…
Fig. 9.1 Images of a circular ring of inner radius 35 μm and outer radius 50 μm at different depths in the turbid medium: a d = 100 μm; b d = 150 μm; c d = 200 μm; d d = 250 μm. Reprinted…
Fig. 1.1 Photon propagation within turbid media. For a clear description, the three components are depicted separately: a unscattered photons; b snake photons; c multiply scattered photons 1.1.2 Physical Properties of…
Fig. 4.1 Schematic diagram of a scanning optical microscope. An EPSF in the focal plane is schematically illustrated. A sample includes a turbid medium and an object. Reprinted with permission from…
Fig. 1 A histogram of peak intensity based on the statistical analysis of 3,450 spectra recorded from a tissue section of mouse brain. Inset, percentage of the original data which…
Fig. 1 Representative molecular imaging methods. Reprinted from [31] with permission from Springer Science Efforts to improve the ionization process in conventional MALDI-IMS are ongoing. Strategies to improve this process…
Fig. 1 MSI analysis workflow: (a) The first step is sample preparation, which requires minimal or sometimes no sample preparation; (b) data acquisition includes the steps of desorption/ionization, mass analysis,…