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Ultraconformable Temporary Tattoo Electrodes for Electrophysiology
Advanced Science ( IF 14.3 ) Pub Date : 2018-01-03 , DOI: 10.1002/advs.201700771 Laura M Ferrari 1, 2 , Sudha Sudha 1 , Sergio Tarantino 2 , Roberto Esposti 3 , Francesco Bolzoni 3 , Paolo Cavallari 3 , Christian Cipriani 2 , Virgilio Mattoli 1 , Francesco Greco 1, 4, 5
Advanced Science ( IF 14.3 ) Pub Date : 2018-01-03 , DOI: 10.1002/advs.201700771 Laura M Ferrari 1, 2 , Sudha Sudha 1 , Sergio Tarantino 2 , Roberto Esposti 3 , Francesco Bolzoni 3 , Paolo Cavallari 3 , Christian Cipriani 2 , Virgilio Mattoli 1 , Francesco Greco 1, 4, 5
Affiliation
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Electrically interfacing the skin for monitoring personal health condition is the basis of skin‐contact electrophysiology. In the clinical practice the use of stiff and bulky pregelled or dry electrodes, in contrast to the soft body tissues, imposes severe restrictions to user comfort and mobility while limiting clinical applications. Here, in this work dry, unperceivable temporary tattoo electrodes are presented. Customized single or multielectrode arrays are readily fabricated by inkjet printing of conducting polymer onto commercial decal transfer paper, which allows for easy transfer on the user's skin. Conformal adhesion to the skin is provided thanks to their ultralow thickness (<1 µm). Tattoo electrode–skin contact impedance is characterized on short‐ (1 h) and long‐term (48 h) and compared with standard pregelled and dry electrodes. The viability in electrophysiology is validated by surface electromyography and electrocardiography recordings on various locations on limbs and face. A novel concept of tattoo as perforable skin‐contact electrode, through which hairs can grow, is demonstrated, thus permitting to envision very long‐term recordings on areas with high hair density. The proposed materials and patterning strategy make this technology amenable for large‐scale production of low‐cost sensing devices.
中文翻译：
用于电生理学的超适形临时纹身电极
通过与皮肤电连接来监测个人健康状况是皮肤接触电生理学的基础。在临床实践中，与柔软的身体组织相比，使用坚硬且笨重的预凝胶或干燥电极严重限制了用户的舒适度和活动性，同时限制了临床应用。在这项工作中，展示了干燥、难以察觉的临时纹身电极。通过将导电聚合物喷墨印刷到商业贴花转印纸上，可以轻松制造定制的单电极或多电极阵列，从而可以轻松地转印到用户的皮肤上。由于其超薄厚度（<1 µm），可对皮肤提供保形粘附。纹身电极-皮肤接触阻抗的特征是短期（1 小时）和长期（48 小时），并与标准预凝胶电极和干电极进行比较。电生理学的可行性通过四肢和面部不同位置的表面肌电图和心电图记录进行了验证。纹身的新概念是可穿孔的皮肤接触电极，毛发可以通过该电极生长，从而可以设想在毛发密度高的区域进行非常长期的记录。所提出的材料和图案化策略使该技术适合大规模生产低成本传感设备。
更新日期：2018-01-03
中文翻译：
用于电生理学的超适形临时纹身电极
通过与皮肤电连接来监测个人健康状况是皮肤接触电生理学的基础。在临床实践中，与柔软的身体组织相比，使用坚硬且笨重的预凝胶或干燥电极严重限制了用户的舒适度和活动性，同时限制了临床应用。在这项工作中，展示了干燥、难以察觉的临时纹身电极。通过将导电聚合物喷墨印刷到商业贴花转印纸上，可以轻松制造定制的单电极或多电极阵列，从而可以轻松地转印到用户的皮肤上。由于其超薄厚度（<1 µm），可对皮肤提供保形粘附。纹身电极-皮肤接触阻抗的特征是短期（1 小时）和长期（48 小时），并与标准预凝胶电极和干电极进行比较。电生理学的可行性通过四肢和面部不同位置的表面肌电图和心电图记录进行了验证。纹身的新概念是可穿孔的皮肤接触电极，毛发可以通过该电极生长，从而可以设想在毛发密度高的区域进行非常长期的记录。所提出的材料和图案化策略使该技术适合大规模生产低成本传感设备。
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