Research on highly effective antiviral drugs is essential for preventing the spread of
infections and reducing losses. Recently, many functional nanoparticles have been shown …

Our ability to detect, image, and quantify nanoscopic objects and molecules with visible light
has undergone dramatic improvements over the past few decades. While fluorescence has …

Fluorescence microscopy has been the workhorse for investigating optical phenomena at
the nanometer scale but this approach confronts several fundamental limits. As a result …

Virus infections pose significant global health challenges, especially in view of the fact that
the emergence of resistant viral strains and the adverse side effects associated with …

Optical imaging of nanoscale objects, whether it is based on scattering or fluorescence, is a
challenging task due to reduced detection signal-to-noise ratio and contrast at …

We demonstrate a handheld on-chip biosensing technology that employs plasmonic
microarrays coupled with a lens-free computational imaging system towards multiplexed …

Improving access to effective and affordable healthcare has long been a global endeavor. In
this quest, the development of cost-effective and easy-to-use medical testing equipment that …

Efforts to mitigate the COVID-19 crisis revealed that fast, accurate, and scalable testing is
crucial for curbing the current impact and that of future pandemics. We propose an optical …

In the recent few decades, the increase in multidrug-resistant (MDR) bacteria has reached
an alarming rate and caused serious health problems. The incidence of infections due to …

Innovative technical solutions to realize optical biosensors with improved performance are
continuously proposed. Progress in material fabrication enables developing novel …