ArticleScientific reports2024
In-situ multicore fibre-based pH mapping through obstacles in integrated microfluidic devices.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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Who cites it
4 citing papers in PubMed.
- Transducer Systems Integrated into Organ-on-a-Chip Devices: From Detection to Fabrication.Small (Weinheim an der Bergstrasse, Germany) · 2026Review
- Optimized capacitance sensor configuration with enhanced sensitivity for annular two-phase flow measurement.Scientific reports · 2025Article
- Advancements in Optical Fiber Sensors for pH Measurement: Technologies and Applications.Sensors (Basel, Switzerland) · 2025Review
- In-situ multicore fibre-based pH mapping through obstacles in integrated microfluidic devices.Scientific reports · 2024Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
Microfluidic systems with integrated sensors are ideal platforms to study and emulate processes such as complex multiphase flow and reactive transport in porous media, numerical modeling of bulk systems in medicine, and in engineering. Existing commercial optical fibre sensing systems used in integrated microfluidic devices are based on single-core fibres, limiting the spatial resolution in parameter measurements in such application scenarios. Here, we propose a multicore fibre-based pH system for in-situ pH mapping with tens of micrometer spatial resolution in microfluidic devices. The demonstration uses custom laser-manufactured glass microfluidic devices (called further micromodels) consisting of two round ports. The micromodels comprise two lintels for the injection of various pH buffers and an outlet. The two-port system facilitates the injection of various pH solutions using independent pressure pumps. The multicore fibre imaging system provides spatial information about the pH environment from the intensity distribution of fluorescence emission from the sensor attached to the fibre end facet, making use of the cores in the fibre as independent measurement channels. As proof-of-concept, we performed pH measurements in micromodels through obstacles (glass and rock beads), showing that the particle features can be clearly distinguishable from the intensity distribution from the fibre sensor.
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Registered trials
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