Aladdin magic mat: non-printed integrated-circuit textile for wireless theranostics

We develop a self-powered non-printed integrated-circuit textile (NIT) for potential applications as a 24/7 private AI “nurse” for routine health monitoring, emergency alert and even COVID-19 patient care, on-body AI hardware, and possibly a forerunner to fabric-like computers.

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We develop a non-printed integrated-circuit textile (NIT) for biomedical and theranostic application via a weaving method.(https://doi.org/10.1038/s41467-021-25075-8) All the devices are built as fibers or interlaced nodes and woven into a deformable textile integrated circuit. Built on an electrochemical gating principle, the fiber-woven-type transistors exhibit superior bending or stretching robustness, and were woven as a textile logical computing module to distinguish different emergencies. A fiber-type sweat sensor was woven with strain and light sensors fibers for simultaneously monitoring body health and the environment. With a photo-rechargeable energy textile based on a detailed power consumption analysis, the woven circuit textile is completely self-powered and capable of both wireless biomedical monitoring and early warning. The NIT could be used as a 24/7 private AI “nurse” for routine healthcare, diabetes monitoring, or emergencies such as hypoglycemia, metabolic alkalosis, and even COVID-19 patient care, a potential future on-body AI hardware and possibly a forerunner to fabric-like computers.

Fig. 1: The design of the non-printed integrated-circuit textile.
Fig. 1: The design of the non-printed integrated-circuit textile.

Fig. 2: The performance of the logical operation module.
Fig. 2: The performance of the logical operation module.

a The device structure of the woven transistor unit in a logical operation circuit. b Electric characteristics of a woven transistor unit. c Transfer characteristics of a woven transistor unit. d The on/off ratio of the transistor based on different substrates. e The on/off ratio of the woven transistor unit with different diethylene glycol ratio in the PEDOT: PSS layer. Insert is the cyclic voltammetry scanning between the gate electrode and the source electrode for PEDOT:PSS layer with different compositions. f The on/off ratio of the fabric-type transistor with different channel distance. g the logic circuit design for AND gate, OR gate, AND-OR gate. h The logic function characteristics of the three types of logic gates.

Fig. 3: The performance of the sensor module.
Fig. 3: The performance of the sensor module.

Fig. 4: Performance of the textile-type power modules.
Fig. 4: Performance of the textile-type power modules.

The performance of textile-type photovoltaic (a) /battery (b) module connected in series vs in parallel. c The photo-charge and dark-discharge performance by integrated textile-type photo-charging power modules. d The power consumption of different sensors without or with stimulation. e The power consumption at different stimulations in night-time or day-time: A. no stimulation, B. body moving, C. sweating. (f) The fabric data-sending performance at various bending angles.

Fig. 5: Function verification of a prototype for both wireless data-sending and emergency alarms.
Fig. 5: Function verification of a prototype for both wireless data-sending and emergency alarms.

All the devices, including transistors, sensors, diodes, solar cells, and batteries were assembled along polymer wires or at their cross-nodes and then integrated as IC function modules for sensing, signals amplifying, logic computing, wireless transmission, and uninterrupted power supply into a cloth-like system by textile weaving. With no external power or signal cable connection, this single piece of fabric is tender and comfortable and can monitor routine healthcare tasks continuously around the clock and encode logical codes for emergency assistance.

https://static-content.springer.com/esm/art%3A10.1038%2Fs41467-021-25075-8/MediaObjects/41467_2021_25075_MOESM2_ESM.avi

https://static-content.springer.com/esm/art%3A10.1038%2Fs41467-021-25075-8/MediaObjects/41467_2021_25075_MOESM3_ESM.avi

Related reading:https://orcid.org/0000-0001-7114-1095  

https://www.nature.com/articles/s41467-021-25075-8

https://www.nature.com/articles/s41467-021-24961-5

https://www.nature.com/articles/s41467-021-21436-5  

https://www.nature.com/articles/s41578-020-00247-y 

https://www.nature.com/articles/s41467-019-12462-5

https://bioengineeringcommunity.nature.com/posts/tackling-covid-19-with-materials-science  https://bioengineeringcommunity.nature.com/posts/micropatterned-microfluidics-dendronized-fluorosurfactants-for-highly-stable-emulsions https://bioengineeringcommunity.nature.com/posts/nature-derived-2-dimensional-materials-for-cancer-therapy-and-sustainable-solutions https://bioengineeringcommunity.nature.com/posts/multi-targeted-reactive-oxygen-species-burst-for-cancer-therapy

https://bioengineeringcommunity.nature.com/posts/aladdin-magic-mat-non-printed-integrated-circuit-textile-for-wireless-theranostics

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Dr. Xingcai Zhang, Harvard/MIT Research Fellow; Science Writer/Editorial (Advisory) Board Member for Springer Nature, Elsevier, Materials Today, Royal Society of Chemistry, Wiley; Nature Nano Ambassador with 5 STEM degrees/strong background in sustainable Nature-derived/inspired/mimetic materials for biomed/sensing/catalysis/energy/environment applications, with more than 100 high-impact journal publications in Nature Reviews Materials (featured cover paper), etc. https://scholar.google.com/citations?hl=en&user=2vDraMoAAAAJ&view_op=list_works&sortby=pubdate

https://scholar.harvard.edu/xingcaizhang 

https://orcid.org/0000-0001-7114-1095

Contact: Dr. Xingcai Zhang xingcai@mit.edu  chemmike1984@gmail.com +1-2253041387 wechat:drtea1

Xingcai Zhang

Harvard/MIT Research Fellow, Harvard University

Sustainable Nature-inspired/derived/mimetic materials, nanomaterials, biomedicine, lab-on-chip, 2D/C/porous/polymer materials, tea. Dr. Xingcai Zhang, Harvard/MIT Research Fellow; Science Writer/Editorial (Advisory) Board Member for Springer Nature, Elsevier, Materials Today, Royal Society of Chemistry, Wiley; Nature Nano Ambassador with 5 STEM degrees/strong background in sustainable Nature-derived/inspired/mimetic materials for biomed/sensing/catalysis/energy/environment applications, with more than 100 high-impact journal publications in Nature Reviews Materials (featured cover paper), etc. https://scholar.google.com/citations?hl=en&user=2vDraMoAAAAJ&view_op=list_works&sortby=pubdate

https://orcid.org/0000-0001-7114-1095

https://scholar.harvard.edu/xingcaizhang Contact: xingcai@mit.edu +1-2253041387 wechat:drtea1