Semiconductor quantum dots (QDs) are tiny light-emitting particles on the nanometer scale,
and are emerging as a new class of fluorescent labels for biology and medicine. In …

Ever since their introduction two decades ago, single-molecule (SM) fluorescence methods
have matured and branched out to address numerous biological questions, which were …

Recent advances in far-field optical nanoscopy have enabled fluorescence imaging with a
spatial resolution of 20 to 50 nanometers. Multicolor super-resolution imaging, however …

Cellular fate of nanoparticles is vital to application of nanoparticles to cell imaging, bio-
sensing, drug delivery, suppression of drug resistance, gene delivery and cytotoxicity …

Recently, there has been great interest in employing nanoparticles for various biological
applications.[1] Nanoparticles can be synthesized in a controlled manner such that they …

Intracellular cargo transport requires microtubule-based motors, kinesin and cytoplasmic
dynein, and the actin-based myosin motors to maneuver through the challenges presented …

Optical imaging and analysis of single molecules continue to unfold as powerful ways to
study the individual behavior of biological systems, unobscured by ensemble averaging …

Uptake and intracellular transport of D-penicillamine coated quantum dots (DPA-QDs) of 4
nm radius by live HeLa cells have been investigated systematically by spinning disk and 4Pi …

Technologies for introducing molecules into living cells are vital for probing the physical
properties and biochemical interactions that govern the cell's behavior. Here, we report the …

Single-molecule methods have matured into powerful and popular tools to probe the
complex behaviour of biological molecules, due to their unique abilities to probe molecular …