Passive Infrared Sensor - an overview | ScienceDirect Topics
Jul 8, 2009 · 3.2 Passive infrared sensor (PIR sensor) A PIR sensor is an electronic sensor used in motion detectors such as automatically triggered lighting devices and protection systems that …
Ultrasensitive and label-free detection of piR-54265 biomarker by ...
Apr 1, 2026 · Ultrasensitive and label-free detection of piR-54265 biomarker by solution-gated graphene transistors with poly-adenine DNA assembled probe for accurate diagnosis of colorectal cancer
Self-supporting flexible electrode-integrated ... - ScienceDirect
Nov 1, 2025 · Self-supporting flexible electrode-integrated microfluidic ECL sensor for piR-651 detection in thyroid cancer extracellular vesicles
Sensitivity enhancement of Passive Infrared (PIR) sensor for motion ...
Oct 1, 2021 · For the PIR sensor, coverage area, sensitivity, angle of view, and responsitivity are the main criteria required for better sensor performance. The dominant one is the sensitivity, which is the …
Review of signal processing applications of Pyroelectric Infrared (PIR ...
Dec 1, 2021 · The article reviews signal processing applications of Pyroelectric Infrared (PIR) sensors with the main focus on the respiration and pulse rate detect…
Chemical gradients in PIR foams as probed by ATR-FTIR analysis and ...
Jan 1, 2021 · Even if the presence of thermal gradients in PIR foams and its influence on isocyanurate content have been discussed a few times in the literature, a detailed analysis of the chemical …
The m6A hypermethylation-induced PIR overexpression regulates …
Jul 28, 2025 · Here, we identified Pirin (PIR) as a key oncogenic factor in UM through comprehensive multi-omics analyses, revealing that PIR is significantly upregulated and correlates with poor …
Privacy-concerned averaged human activeness monitoring and normal ...
Jan 1, 2025 · PIR sensors offer a non-invasive method that ensures the safety and confidentiality of individuals, making them a preferred choice for privacy-conscious monitoring solutions. By …
piR-19521 facilitates cancer stem cell-like properties by enhancing ...
Nov 1, 2025 · Therefore, we speculated that piR-19521 may possess eRNA-like function in CRC. In this study, we found that piR-19521 increased stem-like properties of CRC cells. Moreover, we revealed …
Bifurcation analysis and control in a second-order DC–AC inverter with ...
Jun 1, 2025 · The quasi-PIR controlled second-order inverter has two working modes, and its state switches between mode one and two once in a switching period via the bipolar sinusoidal pulse width …