New Progress in Optical Fiber-Based Biosensors

Dear Colleagues,

Optical biosensors are analytical devices consisting of a biorecognition element integrated into an optical transducer system, which generates signals proportional to the concentration of the analyte and provides label-free or label-based and real-time detection. Designing, developing, and improving optical biosensors’ attributes is a challenging and important topic for several applications, such as healthcare and disease diagnosis, environmental monitoring, water and food quality monitoring, and drug delivery.

Optical biosensors integrate a biological element, such as an enzyme, antibody, aptamer, whole cell, and tissue, as a biorecognition element. In response to physical or chemical changes created by the biorecognition elements, the transduction process induces a change in the light beam, such as absorption, transmission, reflection, refraction, phase, amplitude, frequency, and/or light polarization. Depending on the application, the performance of optical biosensors can be optimized in selectivity, sensitivity, linearity, response time, reproducibility, and stability.

In this context, it is a pleasure to announce this Special Issue entitled “New Progress in Optical Fiber-Based Biosensors”, where original research and reviews of new fabrication processes, materials, transducing devices, and immobilization methods of optical biosensors are cordially invited. We hope that this Special Issue will further encourage and promote scientific contributions by researchers in the biosensors field.

This Special Issue welcomes contributions addressing, but not limited to:

• Novel interrogation methods for biosensors;
• Surface plasmon (SPR) and localized resonance (LSPR) for biosensing;
• Biosensors for healthcare applications;
• Biosensors for aquaculture and environment monitoring;
• Wearable sensors, devices, and electronics;
• Lab-on-a-chip;
• Sensor devices, technology, and applications;
• Advanced materials for sensing;
• Nanophotonics.

Dr. Arnaldo Leal-Junior
Dr. Camilo A.R. Díaz
Guest Editors

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