Triplet–triplet annihilation upconversion (TTA-UC) has been attracting attention in various
fields as a promising tool to efficiently generate a shorter-wavelength photon than incident …

The microvasculature presents a particular challenge in physiological measurement
because the vessel structure is spatially inhomogeneous and perfusion can exhibit high …

Chemiluminescent luminophores are considered as one of the most sensitive families of
probes for detection and imaging applications. Due to their high signal-to-noise ratios …

Purpose The aim of this review is to give an overview of the current status of targeted optical
fluorescence imaging in the field of oncology, cardiovascular, infectious and inflammatory …

Ocular fundus imaging plays a key role in monitoring the health status of the human eye.
Currently, a large number of imaging modalities allow the assessment and/or quantification …

Various applications of nanotechnology in healthcare, agriculture, environmental and other
technological fields have considerably transformed human life. However, harmful effects of …

Extracting reliable finger-vein features directly from original finger-vein images is not an
easy task since the captured finger-vein images are always poor in quality. This paper …

Disordered nanostructures with correlations on the scale of visible wavelengths can show
angle-independent structural colors. These materials could replace dyes in some …

This is the first section of the review-tutorial paper describing fundamentals of tissue optics
and photonics mostly devoted to biological tissue structures and their specificity related to …

Each method for imaging brain activity has technical or physiological limits. Thus,
combinations of neuroimaging modalities that can alleviate these limitations such as …