Results 21 to 30 of about 860,624 (265)
Micromachines, 2021 As coronavirus disease 2019 (COVID-19) continues to spread around the world, the establishment of decentralized severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) diagnostics and point-of-care testing is invaluable.
Kai-Feng Hung +8 more
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Hydrogel-Based Sensors for Ethanol Detection in Alcoholic Beverages
Sensors, 2019 A fast and reliable determination of the ethanol concentration is essential in the analysis of alcoholic beverages. However, different factors like pH value or salt concentration can influence the ethanol measurement.
Jan Erfkamp +2 more
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Applied Sciences, 2023 The objectives of this paper will be to discuss the issues related to the determination of the limits of detection (LOD) in laser-induced breakdown spectroscopy (LIBS) analytical applications. The derivation of the commonly used ‘3-sigma over slope’ rule
Francesco Poggialini +6 more
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Concentration Sensitivity of Nucleic Acid and Protein Molecule Detection Using Nanowire Biosensors
Biophysica, 2021 The concentration detection limit (DL) of biomacromolecules attainable using a nanowire detector has become a topical issue. A DL of 10−15 M is required to reveal oncological and infectious diseases at an early stage.
Yuri D. Ivanov +3 more
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Fully Integrated Photoacoustic NO2 Sensor for Sub-ppb Level Measurement
Sensors, 2020 A fully integrated photoacoustic nitrogen dioxide (NO2) sensor is developed and demonstrated. In this sensor, an embedded photoacoustic cell was manufactured by using an up-to-date 3D printing technique.
Yang Dong +5 more
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Calibration of Tritium Microcalorimeter and Calorimetric Verification of Tritium Samples
Journal of Isotopes, 2023 Radioactive isotope decay gives off heat, which is an important basis for calculating the activity of radioactive isotope. In order to measure the heat emitted by tritium decay, the detection limit test, working curve calibration and tritium sample ...
OUYANG Huiping;YUAN Xiaoming;HE Changshui;LI Zhuoxi;ZHANG Peixu;YANG Hongguang
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Detection-Response Task—Uses and Limitations [PDF]
Sensors, 2018 The Detection-Response Task is a method for assessing the attentional effects of cognitive load in a driving environment. Drivers are presented with a sensory stimulus every 3–5 s, and are asked to respond to it by pressing a button attached to their finger.
Stojmenova Pečečnik, Kristina +1 more
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Transmission risk evaluation of transfusion blood containing low-density Babesia microti
Frontiers in Cellular and Infection MicrobiologyBackgroundBabesia is a unique apicomplexan parasite that specifically invades and proliferates in red blood cells and can be transmitted via blood transfusion, resulting in transfusion-transmitted babesiosis.
Yuchun Cai +14 more
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PhotonicsIn order to enhance gas absorption efficiency and improve the detection sensitivity of methane, a gas absorption cell with an effective optical path length of 29.37 m was developed, employing tunable diode laser absorption spectroscopy (TDLAS) and a ...
Shichao Chen +5 more
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Analysis of Trace Heavy Metal in Solution Using Liquid Cathode Glow Discharge Spectroscopy
SensorsHeavy metal pollution, particularly from cadmium (Cd) and copper (Cu), poses significant environmental and health risks. To address the need for efficient, portable, and sensitive detection methods, this study introduces an improved atmospheric pressure ...
Duixiong Sun +7 more
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