Evaluation of single-use optical and electrochemical pH sensors in upstream bioprocessing [PDF]
HeliyonCulture pH is a critical process parameter during CHO cell bioreactor operations that is key for proper cell growth, protein production, and maintaining the critical quality attributes of a monoclonal antibody drug substance.
Erica J. Fratz-Berilla +5 more
doaj +2 more sources
Highly Sensitive Magnesium-Doped ZnO Nanorod pH Sensors Based on Electrolyte–Insulator–Semiconductor (EIS) Sensors [PDF]
Sensors, 2021 For highly sensitive pH sensing, an electrolyte insulator semiconductor (EIS) device, based on ZnO nanorod-sensing membrane layers doped with magnesium, was proposed. ZnO nanorod samples prepared via a hydrothermal process with different Mg molar ratios (
Ensaf Mohammed Al-Khalqi +3 more
doaj +2 more sources
pH response and mechanical properties of Fe2O3–TeO2-based glass/stainless steel enamel electrodes for pH sensors [PDF]
Heliyon, 2023 Glass pH sensors are unsuitable for in vivo biomedical, clinical, or food applications because of the brittleness of glass and the difficulty in measuring small volumes.
Tadanori Hashimoto +4 more
doaj +2 more sources
Negative Capacitance Dual-Gated ISFETs as Ultra-Sensitive pH Sensors [PDF]
ACS Omega, 2023 Fahimul Islam Sakib +3 more
doaj +2 more sources
Recent Advances in Optical, Electrochemical and Field Effect pH Sensors
Chemosensors, 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 +1 more source
RANCANG BANGUN ALAT UKUR SISTEM MONITORING pH DAN SUHU KOLAM IKAN LELE BERBASIS IoT DENGAN ESP8266
Jurnal 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
Review: Rumen sensors: data and interpretation for key rumen metabolic processes
Animal, 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
Instrumentation viewpoint, 2012 This paper presents a design of a marine instrument for the measurement of pH in seawater. The measurement system consists of a pH electrode connected to the underwater observatory OBSEA. The extracted data are useful for scientists researching ocean acidification.
VAN VEEN JACOBUS JOHANNES FREDERIK +1 more
+10 more sources
IoT-Integrated Water Monitoring and Billing System for Sustainable Urban Water Management [PDF]
E3S Web of ConferencesInternet 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
Sensors, 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