Polysilsesquioxanes are regarded as organic–inorganic hybrid materials at a molecular
level. We can readily tune the properties of the materials for realizing the desired ones by …

In recent years, significant progress was achieved in the field of nanomedicine and
bioimaging, but the development of new biomarkers for reliable detection of diseases at an …

Upconversion nanoparticles (UCNPs) represent a new class of fluorophores. Both the
excitation and (anti-Stokes) emission wavelengths are in the long wave part of the spectrum …

One of the great challenges of oncology is to improve methods for early tumor detection.
Thus tumor cell-targeted optical imaging has been intensively studied. Bioimaging with …

Infrared-to-visible upconversion luminescence spectra were investigated in Er3+ doped and
Er3+–Li+ codoped BaTiO3 nanocrystals following excitation with 976nm. By introducing Li+ …

In bulk phase, liquid crystalline molecules are organized due to non-covalent interactions
and due to delicate nature of the present forces; this organization can easily be disrupted by …

We report development of a nanoparticle-based, X-ray-activated anticancer “nanodrug”
composed of yttrium oxide (Y2O3) nanoscintillators, a fragment of the HIV-1 TAT peptide …

We report dendrimer complexes which can show triplet–triplet annihilation-supported
upconversion from visible light to UV light in aqueous solutions. The Pt complex of …

Bioimaging is an important diagnostic tool in the investigation and visualization of biological
phenomena in cells and in medicine. In this context, up-converting Gd2O3: Er3+, Yb3+ …

During the last decade inorganic luminescent nanoparticles that emit visible light under near
infrared (NIR) excitation (in the biological window) have played a relevant role for high …