Numerical analysis and early detection of Plasmodium falciparum using a high performance plasmonic biosensor with an external sensing approach.

The authors propose a surface plasmon resonance (SPR) sensor based on photonic crystal fibers (PCFs) using three hexagonal ring lattices. The sensor can detect biomolecules with maximum wavelength and amplitude sensitivities of 23,000 nm/RIU and 1310.93R I U -1, respectively, in the RI range of 1.32 to 1.42. It can detect infected red blood cells with Plasmodium falciparum for RIs of 1.402, 1.373, 1.395, and 1.383 in various malaria-infected red blood cell stages, including ring phase, trophozoite phase, and schizont phase. Furthermore, the sensor will be able to detect biomolecules such as viruses, proteins, DNA/RNA strands, acetone, ethanol, hexane, isopropanol, hexanol, formic acid, allyl cyanide, and others in its range. With these impressive results and identification capacity, the proposed sensor would benefit the biomaterial field and be appropriate for the early identification of malaria disease.

Nematic liquid crystal filled D-shaped voltage sensor with enhanced performance for power monitoring and fault detection in extreme environments.

A nematic liquid crystal voltage sensor with enhanced performance is proposed in this paper. The sensor is designed D-shaped using a single NLC filled core without the presence of air holes, which has made the sensor fabrication much simpler than previous sensors. The sensor also consists of a circular slot that provides a vast space for the surface plasmon resonance (SPR) phenomenon with a minimum amount of gold. The performance of the proposed sensor is carried out using a finite element method (FEM) based simulation. Following this, the sensor obtains a maximum wavelength sensitivity of 10 nm/V for a wide range of 190 V to 250 V with 5 V increments. The sensor also has a linearity of 0.9926 and a figure of merit (FOM) of 0.2V -1. It has a resolution of 0.01 V. The proposed sensor is a promising technology with a wide range of extreme and sophisticated applications. The sensor's simple structure, high sensitivity, resolution, linearity, and FOM make it perfectly suitable for a variety of sensing applications, including power monitoring, fault detection, medical diagnosis, voltage lines, electronics, etc.