A new optical pH sensor based on a mixture of Alizarin and Orange dyes immobilized on an agarose membrane [PDF]
MethodsX, 2023 Two techniques, including chemical immobilization of a combination of two indicators of Alizarin and Orange dyes and the epoxy activation of the agarose membrane, were used for the preparation of a new optic pH sensor.
Kamal Alizadeh +2 more
doaj +2 more sources
Low-Cost Optical pH Sensor with a Polyaniline (PANI)-Sensitive Layer Based on Commercial Off-the-Shelf (COTS) Components [PDF]
Micromachines, 2023 In this paper, we presented a novel, compact, conceptually simple, and fully functional low-cost prototype of a pH sensor with a PANI thin film as a sensing layer. The PANI deposition process is truly low-cost; it performs from the liquid phase, does not
Serguei Stoukatch +3 more
doaj +2 more sources
A Low-Cost pH Sensor for Real-Time Monitoring of Aquaculture Systems in a Multi-Layer Wireless Sensor Network [PDF]
SensorsFor aquaculture systems, pH is the prime quality indicator and is highly related to other water quality indicators like ammonia and ammonium ions. The available pH sensors using chemical references are not suitable for continuous in situ monitoring of ...
Binta Mohammed Adib Zeta +3 more
doaj +2 more sources
FLIM-Based Intracellular and Extracellular pH Measurements Using Genetically Encoded pH Sensor [PDF]
Biosensors, 2021 The determination of pH in live cells and tissues is of high importance in physiology and cell biology. In this report, we outline the process of the creation of SypHerExtra, a genetically encoded fluorescent sensor that is capable of measuring ...
Alexander S. Goryashchenko +11 more
doaj +2 more sources
RuO2 pH Sensor with Super-Glue-Inspired Reference Electrode [PDF]
Sensors, 2017 A pH-sensitive RuO2 electrode coated in a commercial cyanoacrylate adhesive typically exhibits very low pH sensitivity, and could be paired with a RuO2 working electrode as a differential type pH sensor.
Wade Lonsdale +2 more
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Carbon Dots for Intracellular pH Sensing with Fluorescence Lifetime Imaging Microscopy
Nanomaterials, 2020 The monitoring of intracellular pH is of great importance for understanding intracellular trafficking and functions. It has various limitations for biosensing based on the fluorescence intensity or spectra study.
Maojia Huang +7 more
doaj +1 more source
Jurnal Jaringan Telekomunikasi, 2022 Berenang merupakan kegiatan yang digemari masyarakat. Namun tanpa disadari, beberapa kolam renang memiki kualitas air yang tidak cukup bagus sehingga menjadi media penularan berbagai penyakit dalam air.
Kalam Achmad Nabila +2 more
doaj +1 more source
Valve-Actuator-Integrated Reference Electrode for an Ultra-Long-Life Rumen pH Sensor
Sensors, 2020 We demonstrated a newly developed Ag/AgCl reference electrode- with a valve-actuator for two years or longer rumen pH monitoring. Previous studies on pH sensors reported that the short lifetime of Ag/AgCl reference electrodes is caused by an outflow of ...
Shogo Higuchi +3 more
doaj +1 more source
Inkjet printed LED based pH chemical sensor for gas sensing [PDF]
, 2009 Predictable behaviour is a critical factor when developing a sensor for potential deployment within a wireless sensor network (WSN). The work presented here details the fabrication and performance of an optical chemical sensor for gaseous acetic acid ...
O'Toole, Martina +8 more
core +2 more sources
Design of a single-chip pH sensor using a conventional 0.6-μm CMOS process [PDF]
, 2004 A pH sensor fabricated on a single chip by an unmodified, commercial 0.6-/spl μm CMOS process is presented. The sensor comprises a circuit for making differential measurements between an ion-sensitive field-effect transistor (ISFET) and a reference ...
Ali, D. +8 more
core +2 more sources