Jove
Visualize
Contact Us

Related Concept Videos

Potentiometry: Membrane Electrodes01:15

Potentiometry: Membrane Electrodes

1.5K
Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference across the membrane. The resulting membrane potential, known as the asymmetry potential, is not zero even when analyte concentrations on both sides of the membrane are equal. The membrane's response is typically not selective to a single analyte but proportional to the concentration of all ions in the sample solution capable of interacting at...
1.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Lateral hypothalamic orexinergic neurons as central mediators of pain modulation and non-pharmacological analgesia.

Frontiers in pharmacology·2026
Same author

A low-frequency pulsed EPR spectrometer for hyperfine clock transition measurement.

Magnetic resonance letters·2026
Same author

Stable Agrobacterium-mediated transformation system for Flammulina filiformis using Geneticin (G418) as efficient selection agent.

Microbiological research·2026
Same author

Chemically Recyclable Polyurea Thermosets: Reversible β-Amino Ester Networks Enable Undamaged Aramid Fiber Recovery and Upcycled Reusable Adhesives.

ACS applied materials & interfaces·2026
Same author

PRKN Ser131 phosphorylation promotes cigarette smoke-induced mitophagy impairment and epithelial cell senescence via MKK3/p38 MAPK activation: An in vitro and in vivo study.

Tobacco induced diseases·2026
Same author

Sensory Lexicon Development and Quantitative Descriptive Analysis of Chinese Baked Rolls.

Journal of food science·2026
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Jan 9, 2026

Gold Nanoparticle Modified Carbon Fiber Microelectrodes for Enhanced Neurochemical Detection
07:34

Gold Nanoparticle Modified Carbon Fiber Microelectrodes for Enhanced Neurochemical Detection

Published on: May 13, 2019

10.0K

Flexible hydrogel sensor based on MoS2 for highly selective dopamine detection against catecholamine

Jianyu Liu1, Xiaolei Gao1, Weifang Ma1

  • 1College of Mechanics and Safety Engineering, Zhengzhou University, Henan 450001, China.

The Analyst
|December 9, 2025
PubMed
Summary

Researchers developed a flexible, stretchable hydrogel sensor for real-time dopamine monitoring. This novel sensor demonstrates high selectivity against interfering molecules, crucial for neurological disorder diagnostics.

More Related Videos

Engineering Molecular Recognition with Bio-mimetic Polymers on Single Walled Carbon Nanotubes
09:28

Engineering Molecular Recognition with Bio-mimetic Polymers on Single Walled Carbon Nanotubes

Published on: January 10, 2017

8.5K
Iridium Oxide-reduced Graphene Oxide Nanohybrid Thin Film Modified Screen-printed Electrodes as Disposable Electrochemical Paper Microfluidic pH Sensors
09:15

Iridium Oxide-reduced Graphene Oxide Nanohybrid Thin Film Modified Screen-printed Electrodes as Disposable Electrochemical Paper Microfluidic pH Sensors

Published on: November 22, 2016

11.0K

Related Experiment Videos

Last Updated: Jan 9, 2026

Gold Nanoparticle Modified Carbon Fiber Microelectrodes for Enhanced Neurochemical Detection
07:34

Gold Nanoparticle Modified Carbon Fiber Microelectrodes for Enhanced Neurochemical Detection

Published on: May 13, 2019

10.0K
Engineering Molecular Recognition with Bio-mimetic Polymers on Single Walled Carbon Nanotubes
09:28

Engineering Molecular Recognition with Bio-mimetic Polymers on Single Walled Carbon Nanotubes

Published on: January 10, 2017

8.5K
Iridium Oxide-reduced Graphene Oxide Nanohybrid Thin Film Modified Screen-printed Electrodes as Disposable Electrochemical Paper Microfluidic pH Sensors
09:15

Iridium Oxide-reduced Graphene Oxide Nanohybrid Thin Film Modified Screen-printed Electrodes as Disposable Electrochemical Paper Microfluidic pH Sensors

Published on: November 22, 2016

11.0K

Area of Science:

  • Bioelectronics and Biosensing
  • Materials Science
  • Neuroscience

Background:

  • Real-time dopamine monitoring is essential for neuroscience and diagnosing neurological disorders.
  • Flexible and stretchable sensors offer advantages for bioelectronic applications due to conformal contact with biological tissues.
  • Achieving high selectivity in sensors is challenging, particularly in complex physiological environments with interfering substances like epinephrine.

Purpose of the Study:

  • To develop a highly stretchable and selective hydrogel-based sensor for real-time dopamine detection.
  • To address the challenge of molecular discrimination against structurally similar catecholamines and common electroactive interferents.

Main Methods:

  • Fabrication of a stretchable hydrogel sensor using acrylamide (AAM), carbon nanotubes (CNTs), and molybdenum disulfide (MoS2).
  • Integration of CNTs for enhanced electrical conductivity and MoS2 for selective dopamine affinity.
  • Evaluation of mechanical durability under strain and repeated stretch-release cycles, and assessment of sensing performance and selectivity.

Main Results:

  • The AAM/CNT/MoS2 hydrogel sensor demonstrated excellent mechanical durability, maintaining integrity under 50% strain and 15 stretch-release cycles.
  • The sensor achieved a low detection limit of 6.1 nM for dopamine.
  • High selectivity was observed, with reliable dopamine response maintained even in the presence of high concentrations of epinephrine and other interferents.

Conclusions:

  • The developed hydrogel-based sensor offers a promising platform for soft, selective, and interference-resilient biosensing.
  • This technology advances the development of wearable or implantable bioelectronics for dynamic neurochemical sensing.
  • The sensor's ability to differentiate dopamine from epinephrine is a significant step towards accurate in-situ neurochemical monitoring.