In this mini-review, the fiber sensors for heavy metal ions detection based on novel fluorescent materials are summarized, and some related key
Therefore, developing portable, highly sensitive, selective, and economical sensors is necessary for the detection of toxic metal ions in the field.
In order to provide a method for accurately detecting the concentration and types of heavy metal ions in water, a fluid ion detection system is designed. It consists of a side-polished fiber
Abstract We report a dual-modal fiber-optic probe that integrates electrochemical quantification of hydrogen peroxide (H₂O₂) with co-localized fluorescent pH sensing for pH-indexed
Research offers a novel approach to accurately measuring iron levels in supplements, which is crucial for maintaining optimal iron intake and
In this study, both theoretical and experimental investigations are conducted to examine the sensing characteristics of the system towards copper ion and iron ion solutions.
Therefore, numerous fluorescent optical fiber sensors for metal ions have been developed for online and in-situ detection to predict and prevent the
Immobilized on the optical fiber sensor, fluorescent probes reveal the advantages while facing outdoor detection challenges. Therefore, numerous
By observing and comparing the output spectrum, detection for the concentration of the sample heavy metal ions in aqueous solution can be done.
The Fiber-Optic Sensors D4RF-TD can be used to detect the presence of containers filled with powdered glass. When powders are being mixed in next
In this study the fabrication of fiber optic evanescent wave sensor with dual wavelength probing for better selectivity, sensitivity and repeatability in chemical sensing is reported. The developed sensor
Moreover, systematic reviews on detection principles and performance of optical sensors for trace iron ions in biological and environmental samples remain lacking. This study systematically
Highlights • Digital imaging devices are applied as sensitive sensors for iron in complex samples. • Various colour spaces are compared as analytical signalling tools. • Signals from imaging
A new recyclable fiber optic sensor with a carbon dot/cellulose acetate (CA)-sensitive membrane, in which carbon dots prepared by a hydrothermal method were embedded in the CA film matrix, was
An optical sensor has tremendous potential to detect heavy metals ion. These sensors possess several properties like minute size, remote sensing monitoring, real-time investigation,
This paper presents a comprehensive overview and discussion of recent advancements in optical fiber sensors for heavy metal ion detection. Various optical methods including fluorescence,
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Representative emission spectra (A) of CDs in water exposed to increasing concentrations of iron (III) nitrate, recorded using a portable fiber optic sensor. (B) The corresponding Stern-Vomer
High precision and high throughput detection of heavy metal ions is essential for water quality monitoring and assessment. Herein, we propose a plasmonic & electrochemical dual-mode
After benchmarking the purified materials using a commercial spectrometer, a “low-cost” process is demonstrated in which carbon dots with
Taken together, the sensing material and platforms demonstrated here are well-suited for detecting trace quantities of iron in environmentally relevant conditions, with potential applications in tracking iron
Iron detection is of growing importance in the critical minerals sector, where unwanted iron ions are typically removed during the processing of target
Systematic studies on detection principles and performance of optical sensors for trace iron-ion concentrations.
In this work, an inline Fabry-Perot interferometer (FPI)-based optofluidic sensor is demonstrated for iron detection in aqueous solution. The fiber structure consists of two fluidic channels across the fiber
The effects of cladding modification on polymer optical fiber (POF) are investigated theoretically and experimentally as a preliminary step in developing a fiber optic intrinsic sensor.
An overview on metal ions detection in water exploiting polymer optical fiber (POF) sensors is presented. A simple and highly sensitive plasmonic sensor in POFs has been functionalized by
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