Results 1 to 10 of about 498,722 (288)

Recent Development in Nanomaterial-Based Electrochemical Sensors for Cholesterol Detection

open access: yesChemosensors, 2021
Functional nanomaterials have attracted significant attention in a variety of research fields (in particular, in the healthcare system) because of the easily controllable morphology, their high chemical and environmental stability, biocompatibility, and ...
Hemraj Mahipati Yadav   +3 more
doaj   +1 more source

Design and Manufacturing of Equipment for Investigation of Low Frequency Bioimpedance

open access: yesMicromachines, 2022
The purpose of this study was to highlight a method of making equipment for the investigation of low frequency bioimpedance. A constant current with an average value of I = 100 µA is injected into the human body via means of current injection electrodes,
Lucian Pîslaru-Dănescu   +3 more
doaj   +1 more source

Molecular Engineering of Photosensitizers for Solid‐State Dye‐Sensitized Solar Cells: Recent Developments and Perspectives

open access: yesChemistryOpen, 2023
Dye‐sensitized solar cells (DSSCs) are a feasible alternative to traditional silicon‐based solar cells because of their low cost, eco‐friendliness, flexibility, and acceptable device efficiency. In recent years, solid‐state DSSCs (ss‐DSSCs) have garnered
Dr. Bommaramoni Yadagiri   +6 more
doaj   +1 more source

Cellulose Nanofiber Composite with Bimetallic Zeolite Imidazole Framework for Electrochemical Supercapacitors

open access: yesNanomaterials, 2021
Cellulose nanofiber (CNF) and hybrid zeolite imidazole framework (HZ) are an emerging biomaterial and a porous carbonous material, respectively. The composite of these two materials could have versatile physiochemical characteristics.
Hemraj M. Yadav   +4 more
doaj   +1 more source

Experimentally Verified Analytical Models of Piezoelectric Cantilevers in Different Design Configurations

open access: yesSensors, 2021
This paper deals with analytical modelling of piezoelectric energy harvesting systems for generating useful electricity from ambient vibrations and comparing the usefulness of materials commonly used in designing such harvesters for energy harvesting ...
Zdenek Machu   +3 more
doaj   +1 more source

Surface-Passivated CsPbBr3 for Developing Efficient and Stable Perovskite Photovoltaics

open access: yesCrystals, 2021
All-inorganic perovskites consisting of only inorganic elements have been recently considered as highly stable semiconductors for photoactive layer of optoelectronics applications.
Hyeon Ju Tak   +3 more
doaj   +1 more source

Microactuation of Magnetic Nanofluid Enabled by a Pulsatory Rotating Magnetic Field

open access: yesActuators, 2023
A microactuation process was developed with the help of four coils that generate a pulsatory rotating magnetic field. A small actuator stator, which contains a 46 mm acrylonitrile butadiene styrene (ABS) opened box and four coils with E-type ferrite ...
Lucian Pîslaru-Dănescu   +4 more
doaj   +1 more source

A Novel Capacitance-Based In-Situ Pressure Sensor for Wearable Compression Garments

open access: yesMicromachines, 2019
This paper pertains to the development & evaluation of a dielectric electroactive polymer-based tactile pressure sensor and its circuitry. The evaluations conceived target the sensor’s use case as an in-situ measurement device assessing load ...
Steven Lao   +4 more
doaj   +1 more source

Unraveling the cause of degradation in Cu(In,Ga)Se2 photovoltaics under potential induced degradation

open access: yesNano Select, 2022
Copper indium gallium diselenide (CIGS) based technology is actively competing in the global photovoltaic market with high conversion efficiency. Commercial CIGS modules are anticipated to perform on rated output in the field condition for 20 years ...
Zeel Purohit   +7 more
doaj   +1 more source

Modular Electromagnetic Transducer for Optimized Energy Transfer via Electric and/or Magnetic Fields

open access: yesSensors, 2023
In this paper, a modular electromagnetic transducer that achieves the optimal transfer of energy from the electric and/or magnetic fields is proposed.
George-Claudiu Zărnescu   +2 more
doaj   +1 more source

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