Ionic Liquid Gel‐Assisted Electrodes for Long‐Term Cutaneous Recordings

The integration of an ionic liquid gel on conformal electrodes is investigated for applications in long-term cutaneous recordings. Electrodes made of Au and the conducting polymer PEDOT:PSS coated with the gel show a low impedance in contact with the skin that maintains a steady value over several days, paving the way for non-invasive, long-term monitoring of human electrophysiological activity.

[1]  Conor O'Mahony,et al.  Microneedle-Based Electrodes with Integrated Through-Silicon via for Biopotential Recording , 2012 .

[2]  Dermot Diamond,et al.  Organic electrochemical transistor incorporating anionogel as solid state electrolyte for lactate sensing , 2012 .

[3]  R. Green,et al.  Benefits, Shortcomings, and Costs of EEG Monitoring , 1985, Annals of surgery.

[4]  Kaspar Anton Schindler,et al.  Application of a multivariate seizure detection and prediction method to non-invasive and intracranial long-term EEG recordings , 2008, Clinical Neurophysiology.

[5]  Jian‐mei Lu,et al.  Advanced applications of ionic liquids in polymer science , 2009 .

[6]  D. Khodagholy,et al.  Easy‐to‐Fabricate Conducting Polymer Microelectrode Arrays , 2013, Advanced materials.

[7]  Christian Bénar,et al.  Conducting Polymer Electrodes for Electroencephalography , 2014, Advanced Healthcare Materials.

[8]  Jerry Y. H. Fuh,et al.  Micro-spike EEG electrode and the vacuum-casting technology for mass production , 2009 .

[9]  Pietro Salvo,et al.  A 3D printed dry electrode for ECG/EEG recording , 2012 .

[10]  Chin-Teng Lin,et al.  Design, Fabrication and Experimental Validation of a Novel Dry-Contact Sensor for Measuring Electroencephalography Signals without Skin Preparation , 2011, Sensors.

[11]  H. Berger Über das Elektrenkephalogramm des Menschen , 1929, Archiv für Psychiatrie und Nervenkrankheiten.

[12]  R. G. Evans,et al.  Non-haloaluminate room-temperature ionic liquids in electrochemistry--a review. , 2004, Chemphyschem : a European journal of chemical physics and physical chemistry.

[13]  J. Gilchrist Arrhythmogenic seizures , 1985, Neurology.

[14]  F. Tajabadi,et al.  Simultaneous determination of dopamine, ascorbic acid, and uric acid using carbon ionic liquid electrode. , 2006, Analytical biochemistry.

[15]  Jürgen Kayser,et al.  A convenient method for detecting electrolyte bridges in multichannel electroencephalogram and event-related potential recordings , 2001, Clinical Neurophysiology.

[16]  T. Åkerstedt,et al.  Subjective and objective sleepiness in the active individual. , 1990, The International journal of neuroscience.

[17]  João M. Nóbrega,et al.  Development of a quasi-dry electrode for EEG recording , 2013 .

[18]  M. Goto,et al.  Comb-shaped poly(ethylene glycol)-modified subtilisin Carlsberg is soluble and highly active in ionic liquids. , 2005, Chemical communications.

[19]  David C. Martin,et al.  Chronic neural recordings using silicon microelectrode arrays electrochemically deposited with a poly(3,4-ethylenedioxythiophene) (PEDOT) film , 2006, Journal of neural engineering.

[20]  Gilles Pourtois,et al.  Simultaneous recording of EEG and facial muscle reactions during spontaneous emotional mimicry , 2008, Neuropsychologia.

[21]  D Quinonez,et al.  Common applications of electrophysiology (EEG) in the past and today: the technologist's view. , 1998, Electroencephalography and clinical neurophysiology.

[22]  H. Gunaratne,et al.  A high throughput screen to test the biocompatibility of water-miscible ionic liquids , 2009 .

[23]  Bruno Scrosati,et al.  Ionic-liquid materials for the electrochemical challenges of the future. , 2009, Nature materials.

[24]  Douglas R. MacFarlane,et al.  Cyto-toxicity and biocompatibility of a family of choline phosphate ionic liquids designed for pharmaceutical applications , 2010 .

[25]  E. Snidero,et al.  Micropatterned dry electrodes for brain-computer interface , 2007 .

[26]  D. Macfarlane,et al.  Biocompatible ionic liquids: a new approach for stabilizing proteins in liquid formulation. , 2009, Journal of biomechanical engineering.