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However, the small size of the ear canal, variation in its morphology in different individuals, and ear wax introduce challenges such as a non\u2010conformal interface between the sensors and the skin due to the complex ear canal geometry, device fitting issues, biofouling blockage layers, hearing blockage by the device and discomfort. Here, we report a multimodal self\u2010cleansing, in\u2010ear nonintrusive and configurable electronic (SCIENCE) device which adapts to various canal geometries and performs active wax cleaning at the sensor\u2010canal interfaces. Triggered by immersing the sensor in water, the small cylindrical device with a diameter of 2\u00a0mm expands once in the ear, and it converts to a spindle shape with a center diameter that can reach 9\u00a0mm, thus leading to adaptive contact with the ear canal and forming a stable sensor\u2010canal interface. The proposed in\u2010ear device was also endowed with wax cleaning capability to automatically break the biofouling barrier and decrease the sensor\u2010skin interface impedance by 20%. SCIENCE is integrated with miniaturized circuits and enables simultaneous mobile and wireless recording of electroencephalography (EEG), electrocardiography (ECG), and core body temperature.<\/jats:p>","DOI":"10.1002\/adma.74628","type":"journal-article","created":{"date-parts":[[2026,8,22]],"date-time":"2026-08-22T11:15:49Z","timestamp":1787397349000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Wearable Morphology\u2010Adaptive in\u2010Ear Device With Active Cleansing Capability for Multimodal Health Monitoring"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0452-9935","authenticated-orcid":false,"given":"Shuyun","family":"Zhuo","sequence":"first","affiliation":[{"name":"Department of Electrical and Computer Engineering Queen's University Kingston  Kingston Canada"},{"name":"International Institute for Interdisciplinary and Frontiers Beihang University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-2178-265X","authenticated-orcid":false,"given":"Zihuan","family":"Wu","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering Queen's University Kingston  Kingston Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering Queen's University Kingston  Kingston Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6931-3011","authenticated-orcid":false,"given":"Shideh Kabiri","family":"Ameri","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering Queen's University Kingston  Kingston Canada"},{"name":"Ingenuity Labs Research Institute Queen's University  Kingston Canada"},{"name":"Centre For Neuroscience Studies Queen's University  Kingston 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H.Liang H.Li R.Liu andY.Wang \u201cDesign and Performance Evaluation of a Real\u2010Time Single\u2010Channel Ear\u2010EEG Acquisition System for Wearable Applications* \u201d in2025 47th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)(IEEE 2025) 1\u20134 https:\/\/doi.org\/10.1109\/EMBC58623.2025.11251887.","DOI":"10.1109\/EMBC58623.2025.11251887"},{"key":"e_1_2_9_29_1","doi-asserted-by":"publisher","DOI":"10.1007\/s42452\u2010025\u201006516\u20101"},{"key":"e_1_2_9_30_1","doi-asserted-by":"publisher","DOI":"10.1109\/TBME.2019.2911423"},{"key":"e_1_2_9_31_1","doi-asserted-by":"crossref","unstructured":"A.Nguyen R.Alqurashi Z.Raghebi F.Banaei\u2010kashani A. 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