Optical sensors are widely used for refractive index measurement in chemical, biomedical,
and food processing industries. Due to specific field distribution of the resonances, optical …

Porous aluminum oxide (PAO) is a ceramic formed by an anodization process of pure
aluminum that enables the controllable assembly of exceptionally dense and regular …

Label-free optical biosensors have attracted much attention, and nanoporous metal-oxide
membranes with uniform pore structure and diameter are promising candidates for platforms …

This review provides a historical perspective along with a tutorial on the concepts,
instrumentation, and progress in the chemical and biological sensing applications of leaky …

Close-packed hexagonal array nanopores are widely used both in research and industry. A
self-ordered nanoporous structure makes anodic aluminum oxide (AAO) one of the most …

We demonstrate exceptionally large modulation of PL intensity in hierarchical titanium
dioxide (TiO2) nanostructures exposed to molecular oxygen (O2). Optical responsivities up …

Mesoporous silica films (MSF) with large surface areas and high stability were fabricated by
a simple Stöber solution growth method. The sensitivity and limit of detection (LOD) for an …

Facile optical sensors capable of measuring a small change in an analyte's refractive index
have been highlighted as the demand for environmental and Internet-of-Things (IoT) …

Porous TiO2 thin-film waveguides with the gold clad were fabricated by colloidal deposition
for real-time detection of small molecule substances based on interrogating the guided …

The stabilization of inorganic nanostructures is a key challenge in developing label-free
optical biosensors using inorganic nanoporous films. In the present study, a polyelectrolyte …