pH Quantification in Human Dermal Interstitial Fluid Using Ultra-Thin SOI Silicon Nanowire ISFETs and a High-Sensitivity Constant-Current Approach [PDF]
Biosensors, 2023 In this paper, we propose a novel approach to utilize silicon nanowires as high-sensitivity pH sensors. Our approach works based on fixing the current bias of silicon nanowires Ion Sensitive Field Effect Transistors (ISFETs) and monitor the resulting ...
Yann Sprunger +6 more
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The safety to switch from constant voltage to constant current with a mixed internal pulse generator in deep brain stimulation [PDF]
Annals of Indian Academy of Neurology, 2023 Background: Deep brain stimulation (DBS) is an efficient modality for the treatment of movement disorders. Differing from the constant voltage (CV)-DBS devices, constant current (CC)-DBS devices may allow more precise stimulation of the target brain ...
Gülşah Öztürk, Kemal Paksoy
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Optimized Multi-Stepped constant current constant voltage fast charging controller for lithium-ion batteries [PDF]
Scientific ReportsThis paper addresses an effective, reliable and fast charging method for maximizing lithium-ion battery performance, longevity, and safety. The proposed multi-stage current charging mechanism utilizes a modified multi-stepped constant current-constant ...
Mohamed Magdy +3 more
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Constant current versus constant voltage DBS stimulators—Changing trend [PDF]
Annals of Indian Academy of Neurology, 2023 Rukmini M Kandadai +4 more
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Evaluation of continuous constant current and continuous pulsed current in sweat induction for cystic fibrosis diagnosis [PDF]
BMC Pulmonary Medicine, 2018 Background The sweat test (ST) is the gold standard for the diagnosis of cystic fibrosis (CF). However, little is known about sweat induction using different types of currents and waves.
Carla Cristina Souza Gomez +8 more
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THE CONSTANT CURRENT IN THERAPEUTICS. [PDF]
The Lancet, 1871 n ...
Anstie, FrancisE, Coombs, CarreyPearce
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Applied Sciences, 2023 Inductive power transfer (IPT) systems have been extensively studied and incorporated into various industrial applications. An IPT system with the capability to provide constant current output (CCO) and constant voltage output (CVO) is necessary to ...
Xuebin Zhou +5 more
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IEEE Access, 2020 In this paper, an ultra-low power, adaptive all-digital integer frequency-locked loop (FLL) with gain estimation and constant current digitally controlled oscillator (DCO) for Bluetooth low energy (BLE) transceiver in Internet-of-Things (IoT) is ...
Imran Ali +9 more
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Techniques of Recording Photoplethysmographic Signals
Current Directions in Biomedical Engineering, 2021 The photoplethysmography optically measures blood volume changes within micro vascular tissue. Furthermore, photoplethysmographic signals are used within pulse oximeters in order to calculate the oxygen saturation of the blood.
Herrmann Hans, Ewald Hartmut
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A High Efficient, Compact 4th Order CLCL Converter Features to Use Constant-Current Power Supply [PDF]
AUT Journal of Electrical Engineering, 2019 This paper presents a 4th order CLCL resonant converter which is suitable for constant current power supply applications. This converter is designed with Immittance characteristic with two inductors and two capacitors in resonant network.
Kamran Davoodi +2 more
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