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Recent Advances in Optical, Electrochemical and Field Effect pH Sensors

open access: yesChemosensors, 2021
Although its first definition dates back to more than a century ago, pH and its measurement are still studied for improving the performance of current sensors in everyday analysis. The gold standard is the glass electrode, but its intrinsic fragility and
Federico Vivaldi   +8 more
doaj   +2 more sources

Recent Advances in Wearable Potentiometric pH Sensors

open access: yesMembranes, 2022
Wearable sensors reflect the real–time physiological information and health status of individuals by continuously monitoring biochemical markers in biological fluids, including sweat, tears and saliva, and are a key technology to realize portable ...
Yitian Tang   +11 more
doaj   +2 more sources

Nanomechanical DNA Origami pH Sensors [PDF]

open access: yesSensors, 2014
Single-molecule pH sensors have been developed by utilizing molecular imaging of pH-responsive shape transition of nanomechanical DNA origami devices with atomic force microscopy (AFM).
Akinori Kuzuya   +5 more
doaj   +3 more sources

RANCANG BANGUN ALAT UKUR SISTEM MONITORING pH DAN SUHU KOLAM IKAN LELE BERBASIS IoT DENGAN ESP8266

open access: yesJurnal Kumparan Fisika, 2022
ABSTRAK   Besaran fisika dapat berpengaruh baik secara langsung maupun tidak langsung terhadap keberlangsungan hidup makhluk hidup baik di darat maupun di air, termasuk pada budidaya ikan lele. Jika kualitas air selalu berubah-ubah atau tidak stabil,
Fikri Hidayat   +2 more
doaj   +1 more source

Visual pH Sensors: From a Chemical Perspective to New Bioengineered Materials

open access: yesMolecules, 2021
Many human activities and cellular functions depend upon precise pH values, and pH monitoring is considered a fundamental task. Colorimetric and fluorescence sensors for pH measurements are chemical and biochemical tools able to sense protons and produce
Luigi Di Costanzo, Barbara Panunzi
doaj   +1 more source

Micro-Sized pH Sensors Based on Scanning Electrochemical Probe Microscopy

open access: yesMicromachines, 2022
Monitoring pH changes at the micro/nano scale is essential to gain a fundamental understanding of surface processes. Detection of local pH changes at the electrode/electrolyte interface can be achieved through the use of micro-/nano-sized pH sensors ...
Muhanad Al-Jeda   +2 more
doaj   +1 more source

Review: Rumen sensors: data and interpretation for key rumen metabolic processes

open access: yesAnimal, 2020
Rumen sensors provide specific information to help understand rumen functioning in relation to health disorders and to assist in decision-making for farm management.
J. Dijkstra   +4 more
doaj   +1 more source

IoT-Integrated Water Monitoring and Billing System for Sustainable Urban Water Management [PDF]

open access: yesE3S Web of Conferences
Internet of Things (IoT) technology has become a pivotal component of water monitoring systems. Urban water management is evolving because billing systems improve both accuracy and efficiency. Sustainability.
Sreelatha Reddy Vakiti   +3 more
doaj   +1 more source

Synthesis and Purification of Lipid-conjugated Fluorescent pH Sensors

open access: yesBio-Protocol, 2023
Lipid-conjugated pH sensors based on fluorophores coupled to lipids are a powerful tool for monitoring pH gradients in biological microcompartments and reconstituted membrane systems.
Wiebke Wiesner   +2 more
doaj   +1 more source

State Key Laboratory of Nonlinear Mechanics (LNM), Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China

open access: yesSensors, 2007
This paper reviews current state-of-the-art methods of measuring pH levels that are based on polymer materials. These include polymer-coated fibre optic sensors, devices with electrodes modified with pH-sensitive polymers, fluorescent pH indicators ...
Arousian Arshak   +3 more
doaj   +1 more source

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