Green phytoextracts as natural photosensitizers in LED-based photodynamic disinfection of multidrug-resistant bacteria in wastewater effluent.
Sign Up to like & getrecommendations! Published in 2022 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2022.134157
Abstract: The photodynamic treatment (PDT) process is a promising technology to control emerging pollutants and antimicrobial resistance problems in the water environment. The reactive oxygen species (ROS) produced when natural and nontoxic photosensitizers (PS) are exposed… read more here.
Keywords: green phytoextracts; min; led based; photodynamic disinfection ... See more keywords
LED based high accuracy indoor visible light positioning algorithm
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.166853
Abstract: ABSTRACT In light of the problem of low precision and time consuming in indoor three-dimensional positioning of visible light communication (VLC), we propose an indoor three-dimensional positioning system of VLC based on improved immune particle… read more here.
Keywords: visible light; algorithm; dimensional positioning; three dimensional ... See more keywords
High bandwidth semipolar (20-21) micro-LED-based white light-emitting diodes utilizing perovskite quantum dots and organic emitters in color-conversion layers for visible light communication and solid-state lighting applications.
Sign Up to like & getrecommendations! Published in 2023 at "Nanoscale"
DOI: 10.1039/d3nr01086d
Abstract: We demonstrate semipolar (20-21) micro-LED-based high-bandwidth WLEDs utilizing perovskite QDs and organic emitters in color-conversion films. The WLEDs exhibit a bandwidth in excess of 1 GHz and a CCT of 6141 K, making these devices… read more here.
Keywords: organic emitters; semipolar micro; led based; utilizing perovskite ... See more keywords
LED-Based Underwater Wireless Optical Communication for Small Mobile Platforms: Experimental Channel Study in Highly-Turbid Lake Water
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3020947
Abstract: Underwater collaborative work between small mobile platforms (SMP) such as divers, litter submarine or AUV, requires a high data rate communication system which is compact, reliable, affordable and eye-safe. The high bandwidth of LED-based underwater… read more here.
Keywords: water; highly turbid; optical communication; wireless optical ... See more keywords
Single LED-Based Indoor Positioning System Using Multiple Photodetectors
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2018.2848947
Abstract: This paper presents a visible light positioning system using a single light-emitting diode (LED) and a novel receiver. In the proposed system, the receiver is composed of a horizontal photodetector (PD) and two tilted PDs,… read more here.
Keywords: system; led based; positioning system; system using ... See more keywords
LED-Based Wake-Up Circuit for Microcontrollers
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2020.3009340
Abstract: This article proposes, analyzes, and tests a wake-up circuit for a microcontroller (MCU) that uses a light-emitting diode (LED), operating as a photodetector, illuminated by a smartphone flashlight. The wake-up circuit consists of a high-pass… read more here.
Keywords: based wake; circuit microcontrollers; wake circuit; circuit ... See more keywords
LED-Based Light Source Combined with Quantum Dot for Spectral Imaging
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Nanomaterials"
DOI: 10.1155/2019/6436508
Abstract: Quantum dot (QD) is a kind of semiconductor nanoparticle and shows photoluminescence, in which the light with narrow spectral band is emitted from the QD after the absorption of the excitation light. In this study,… read more here.
Keywords: led based; quantum dot; based light; spectral imaging ... See more keywords
Dictionary learning technique enhances signal in LED-based photoacoustic imaging.
Sign Up to like & getrecommendations! Published in 2020 at "Biomedical optics express"
DOI: 10.1364/boe.387364
Abstract: There has been growing interest in low-cost light sources such as light-emitting diodes (LEDs) as an excitation source in photoacoustic imaging. However, LED-based photoacoustic imaging is limited by low signal due to low energy per… read more here.
Keywords: led based; dictionary learning; photoacoustic imaging; signal ... See more keywords
Design, fabrication, and characterization of a tunable LED-based illuminator using refractive freeform arrays.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.474842
Abstract: Dynamic illumination using tunable freeform arrays can enable spatial light distributions of variable size with high uniformity from non-uniform sources through relatively small opposing lateral shifts applied to the freeform components. We present the design,… read more here.
Keywords: characterization tunable; led based; design; freeform ... See more keywords
Study of using different colors of fluorescent fibers as optical antennas in white LED based-visible light communications.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.481017
Abstract: A fluorescent fiber can be used as an optical antenna in visible light communication (VLC) for simultaneous optical filtering and light concentration and therefore to build a compact receiver. Since its light concentration principle is… read more here.
Keywords: led based; fluorescent fiber; fluorescent fibers; visible light ... See more keywords
Microscale Inorganic LED Based Wireless Neural Systems for Chronic in vivo Optogenetics
Sign Up to like & getrecommendations! Published in 2018 at "Frontiers in Neuroscience"
DOI: 10.3389/fnins.2018.00764
Abstract: Billions of neurons in the brain coordinate together to control trillions of highly convoluted synaptic pathways for neural signal processing. Optogenetics is an emerging technique that can dissect such complex neural circuitry with high spatiotemporal… read more here.
Keywords: led based; optogenetics microscale; chronic vivo; vivo optogenetics ... See more keywords