[HTML][HTML] Vis/NIR optical biosensors applications for fruit monitoring

M Wang, Y Xu, Y Yang, B Mu, MA Nikitina… - … and Bioelectronics: X, 2022 - Elsevier
The global fruit industry is continually confronted with new technological challenges to meet
people's material quality of life expectations. Fruit maturity has a strong association with the …

A novel low-cost plug-and-play multi-spectral LED based fluorometer, with application to chlorophyll detection

SM Power, L Free, A Delgado, C Richards… - Analytical …, 2023 - pubs.rsc.org
In this paper a novel low-cost multi-spectral optical fluorometer is presented and evaluated.
The device uses a range of LEDs in the blue and violet regions of the electromagnetic …

In situ water quality monitoring using an optical multiparameter sensor probe

T Goblirsch, T Mayer, S Penzel, M Rudolph, H Borsdorf - Sensors, 2023 - mdpi.com
Optical methods such as ultraviolet/visible (UV/Vis) and fluorescence spectroscopy are well-
established analytical techniques for in situ water quality monitoring. A broad range of bio …

A low-cost and portable fluorometer based on an optical pick-up unit for chlorophyll-a detection

X Chen, J Du, S Kanwal, ZJ Yang, LL Zheng, J Wang… - Talanta, 2024 - Elsevier
Abstract Chlorophyll-a (Chl-a) fluorescence detection is an important technique for
monitoring water quality. In this work, we proposed an approach that employs the mass …

Ce3+ and Cr3+ co-activated ultra-wide visible-NIR garnet phosphor for phosphor-converted light emitting diode

J Zhang, L Fang, H Wu, L Zhang, H Wu, G Pan… - Materials Research …, 2024 - Elsevier
In the past decade, the near-infrared (NIR) phosphor-converted light emitting diode (pc-LED)
and NIR phosphors has made considerable progress. However, for the field of non …

High sensitivity and wide range chlorophyll-a determination by simultaneous measurement of absorbance and fluorescence using a linear CCD

W Li, T Liu, Y Fu, M Huang - Spectrochimica Acta Part A: Molecular and …, 2022 - Elsevier
In the determination of chlorophyll with the fluorescence method in the natural water, the
suspended particles and colloids will seriously interfere with the incident light and the …

A rapid approach to measure extracted chlorophyll-a from lettuce leaves using electrical impedance spectroscopy

RI Chowdhury, R Basak, KA Wahid, K Nugent… - Water, Air, & Soil …, 2021 - Springer
Chlorophyll-a is a highly measured metric in water quality and plant health monitoring.
Current laboratory-based methods exploit spectroscopic techniques and require expensive …

IoT Based Network Model And Sensor Node Prototype For Precision Agriculture Application

J Spisic, J Balen, D Zagar… - 2022 IEEE 8th World …, 2022 - ieeexplore.ieee.org
The recent advancement of the Internet of Things (IoT) enabled the development of
precision agriculture by using high technology sensors and analysis tools for improving crop …

Design and Development of Smart Snack Vending Machine

RZ Ming, C Zhao - 2022 International Conference on …, 2022 - ieeexplore.ieee.org
Smart vending machines refer to vending machines that can meet the needs of the crowd for
mobility and intelligence. In order to improve development capabilities, enhance …

Remote sensing quantitative monitoring of chlorophyll a concentration in Taihu Lake based on measured spectrum of water surface

L Lu - BIO Web of Conferences, 2022 - bio-conferences.org
In order to solve the regional and seasonal limitations of the algorithm, the database is
introduced into the chlorophyll a concentration inversion. Usually, the inherent optical …