Articles with "optical sensor" as a keyword



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Optical Sensor for Real-Time pH Monitoring in Human Tissue.

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Published in 2018 at "Small"

DOI: 10.1002/smll.201803627

Abstract: This article reports on a fiber-based ratiometric optical pH sensor for use in real-time and continuous in vivo pH monitoring in human tissue. Stable hybrid sol-gel-based pH sensing material is deposited on a highly flexible… read more here.

Keywords: human tissue; real time; time; monitoring human ... See more keywords
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New Polymer Materials for Optical Sensor Systems

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Published in 2018 at "Journal of Inorganic and Organometallic Polymers and Materials"

DOI: 10.1007/s10904-018-1049-7

Abstract: The method of synthesis new polymeric materials, providing high-quality optical contact between the two planar waveguides provided in the mechanical contact. The method is based on the introduction of the silicate nanoparticles in the polymer… read more here.

Keywords: materials optical; sensor systems; new polymer; contact ... See more keywords
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A Piezoelectroluminescent Fiber-Optical Sensor for Diagnostics of the 3D Stress State in Composite Structures

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Published in 2018 at "Mechanics of Composite Materials"

DOI: 10.1007/s11029-018-9728-6

Abstract: The mathematical model of a piezoelectroluminescent fiber-optical sensor is developed for diagnostics of the 3D stress state of composite structures. The sensor model is a coaxial sector-compound layered cylinder consisting of a central optical fiber… read more here.

Keywords: stress state; fiber optical; optical sensor; sensor ... See more keywords
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A Novel All-Optical Sensor Design Based on a Tunable Resonant Nanocavity in Photonic Crystal Microstructure Applicable in MEMS Accelerometers

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Published in 2020 at "Photonic Sensors"

DOI: 10.1007/s13320-020-0607-0

Abstract: In view of the large scientific and technical interest in the MEMS accelerometer sensor and the limitations of capacitive, resistive piezo, and piezoelectric methods, we focus on the measurement of the seismic mass displacement using… read more here.

Keywords: design; microstructure; photonic crystal; optical sensor ... See more keywords
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Determination of nanomolar levels of reactive oxygen species in microorganisms and aquatic environments using a single nanoparticle-based optical sensor.

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Published in 2017 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2017.03.012

Abstract: Reactive oxygen species (ROS) are strong oxidants, and have attracted considerable attention in both biological and environmental fields. Although various methods for ROS detection, including optical and electrochemical techniques, have been developed, they still face… read more here.

Keywords: reactive oxygen; optical sensor; oxygen species; aquatic environments ... See more keywords
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A porphyrin-based optical sensor membrane prepared by electrostatic self-assembled technique for online detection of cadmium(II).

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Published in 2019 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2019.124552

Abstract: An optical sensor membrane was prepared by electrostatic self-assembled technique for online detection of cadmium ion (II) (Cd(II)). The optical indicator 5,10,15,20-tetrakis(4-N-methylpyridyl) porphyrin p-toluenesulfonate (TMPyP) was adsorbed on a hydrolyzed polyacrylonitrile (PAN) membrane by electrostatic… read more here.

Keywords: detection; electrostatic self; sensor membrane; optical sensor ... See more keywords
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Handheld four-dimensional optical sensor

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Published in 2020 at "Optik"

DOI: 10.1016/j.ijleo.2019.164001

Abstract: Abstract Spectral and imaging systems enable retrieval of the molecular and surface profile information of objects of interest. Camera has become an indispensable device in everyday life to capture images for surface profile investigation. However… read more here.

Keywords: information; dimensional optical; four dimensional; handheld four ... See more keywords
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Low-cost optical sensor for real-time blood loss monitoring during transurethral surgery

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Published in 2020 at "Optik"

DOI: 10.1016/j.ijleo.2020.166148

Abstract: Abstract In this study, a cost-effective optical sensor was developed to quantify a blood loss during transurethral surgery. The device is based on the principles of optical spectroscopy and consists of an ultraviolet light emitting… read more here.

Keywords: blood loss; optical sensor; blood; transurethral surgery ... See more keywords
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Rapid and low-cost detection of moldy apple core based on an optical sensor system

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Published in 2020 at "Postharvest Biology and Technology"

DOI: 10.1016/j.postharvbio.2020.111276

Abstract: Abstract An optical sensor system for the detection of moldy apple core (Malus domestica Borkh.) was developed. The cost-effective optical sensor has seven specific wavelengths centered at 425, 455, 515, 615, 660, 700 and 850… read more here.

Keywords: sensor system; accuracy; method; optical sensor ... See more keywords
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Alpha fetoprotein assessment by using a nano optical sensor thin film binuclear Pt-2-aminobenzimidazole-Bipyridine for early diagnosis of liver cancer.

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Published in 2018 at "Talanta"

DOI: 10.1016/j.talanta.2018.04.043

Abstract: A simple, precise and sensitive method in which, a nano optical sensor binuclear Pt-2-aminobenzimidazole-bipyridine, Pt(abi)(bpy) complex doped in sol gel is used for the early diagnosis of liver cancer. The idea depends on the assessment… read more here.

Keywords: early diagnosis; liver; optical sensor; alpha ... See more keywords
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Optical pH Sensor Covering the Range from pH 0-14 Compatible with Mobile-Device Readout and Based on a Set of Rationally Designed Indicator Dyes.

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Published in 2017 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.7b01903

Abstract: In this work, a family of pH-responsive fluorescent probes has been designed in a rational manner with the aid of quantum chemistry tools, covering the entire pH range from 0-14. Relying on the boron-dipyrromethene (BODIPY)… read more here.

Keywords: range; covering range; chemistry; sensor covering ... See more keywords