Results 1 to 10 of about 3,554,993 (134)

Relative sensitivity of cortisol indices to psychosocial and physical health factors. [PDF]

open access: yesPLoS ONE, 2019
ObjectiveRegulation of cortisol under resting conditions is widely used to assess physical and psychological status, but due to the diversity of possible assessments (e.g., cumulative levels; diurnal patterns), considering one or a few at a time hampers ...
Jerrald L Rector   +3 more
doaj   +2 more sources

Estimation of the relative sensitivity of qPCR analysis using pooled samples. [PDF]

open access: yesPLoS ONE, 2014
The high sensitivity of qPCR makes it a desirable diagnostic method in epidemiological surveillance programs. However, due to high costs, the use of pooling has been suggested.
Ana Muniesa   +4 more
doaj   +2 more sources

Simultaneous inter-calibration of 160 MiMi neutron detectors [PDF]

open access: yesEPJ Web of Conferences, 2023
The 160 MiMi neutron detectors of SAFFRON, a 3D full-core mapping system developed at EPFL for the CROCUS zero-power reactor, have been simultaneously inter-calibrated in preparation for their in-core installation.
Vitullo Fanny   +3 more
doaj   +1 more source

Characteristics of Ultrasensitive Hexagonal-Cored Photonic Crystal Fiber for Hazardous Chemical Sensing

open access: yesPhotonics, 2022
A highly sensitive non-complex cored photonic crystal fiber sensor for hazardous chemical sensing with water, ethanol, and benzene analytes has been proposed and is numerically analyzed using a full-vector finite element method.
Abdul Mu’iz Maidi   +4 more
doaj   +1 more source

Design of a Highly Sensitive Photonic Crystal Fiber Sensor for Sulfuric Acid Detection

open access: yesMicromachines, 2022
In this research, a photonic crystal fiber (PCF)-based sulfuric acid detector is proposed and investigated to identify the exact concentration of sulfuric acid in a mixture with water.
Md. Ahasan Habib   +4 more
doaj   +1 more source

Design and Simulation of Photonic Crystal Fiber for Liquid Sensing

open access: yesPhotonics, 2021
A simple hexagonal lattice photonic crystal fiber model with liquid-infiltrated core for different liquids: water, ethanol and benzene, has been proposed.
Abdul Mu’iz Maidi   +6 more
doaj   +1 more source

A Highly Birefringent Photonic Crystal Fiber for Terahertz Spectroscopic Chemical Sensing

open access: yesSensors, 2021
A photonic crystal fiber (PCF) with high relative sensitivity was designed and investigated for the detection of chemical analytes in the terahertz (THz) regime. To ease the complexity, an extremely simple cladding employing four struts is adopted, which
Tianyu Yang   +4 more
doaj   +1 more source

Numerical Design and Investigation of Circularly Segmented Air Holes-Assisted Hollow-Core Terahertz Waveguide as Optical Chemical Sensor

open access: yesIEEE Access, 2021
In this paper,a polarization-maintaining single-mode rectangular-shaped hollow-core waveguide with four segmented air cladding in the terahertz (THz) regime is presented for detecting various toxic industrial chemicals.
M. Hussayeen Khan Anik   +7 more
doaj   +1 more source

Photonic Crystal Fiber Sensor for Detecting Sulfuric Acid in Different Concentrations

open access: yesPhotonics, 2022
A high-performance photonic crystal fiber sensor for sulfuric acid detection is designed and investigated, undertaken through a full vector Finite Element Method on COMSOL Multiphysics software to establish the optical properties of effective refractive ...
Abdul Mu’iz Maidi   +2 more
doaj   +1 more source

Laboratory determination method and application of sensitive index and critical value for coal roadway outburst prediction

open access: yesMeikuang Anquan, 2021
Aiming at the shortcomings of the “three-rate method” in determining the sensitive indicators for coal roadway outburst prediction and the threat of outburst to personnel during detection, in this paper, a laboratory method for determining the sensitive
JIANG Chenglin, YU Qixiang, ZHANG Chaojie
doaj   +1 more source

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