journal article·2026-03

Conformal Bioadhesive Hydrogel‐Based Multimodal Wristband for Accurate, Mobile, and Real‐Time Sign Language Translation and Human‐Machine Interactions

Mingxuan Xiao, Yibing Luo, Huizhi Chen, Hao Wang, Dijie Yao, Dingkun Wang, Yujiang Pan, Baoli Zha, Qiuhua Yu, Ruijie Xie, Bo‐Ru Yang, Kai Tao, Jun Fu, Fengwei Huo, Jin Wu

Advanced Functional Materials· Volume 36· Issue 19
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Abstract

Abstract Hydrogel‐based electrophysiological sensors have garnered copious research interest for wearable human‐machine interaction (HMI), whereas existing HMI interfaces suffer from lack of self‐adhesion, mismatch of mechanical properties with skin, insufficient accuracy, mobility, and real‐time performance. Here, smart hydrogel epidermal electrodes based on honey and sodium chloride co‐modified polyacrylamide composite are proposed with superior self‐adhesion, skin compliance, stability, conductivity, antibacterial property, and biocompatibility. The hydrogel electrodes are integrated into a flexible adaptive sensing wristband, forming a conformal, stable, and low‐impedance interface with biological tissue. The wristband enables the stable acquisition of both dual‐channel high‐frequency surface electromyography (sEMG) signals and low‐frequency acceleration signals with a high signal‐to‐noise ratio (31 dB for sEMG). By combining a multimodal signal fusion algorithm with a lightweight and efficient Artificial Intelligence model, the wristband achieves a sign language recognition translation accuracy up to 97.2%. Furthermore, the study develops a dedicated mobile application (APP) in which the fusion algorithm and AI model are locally deployed and executed in real time on mobile devices. The integrated standalone HMI system demonstrates excellent accuracy, real‐time response, mobility, and extendability in performing various wireless intelligent interaction tasks under complex environments, including sign language recognition, robotic control, active rehabilitation, and motion monitoring, without using the internet.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Hand Gesture Recognition Systems · Advanced Sensor and Energy Harvesting Materials · Tactile and Sensory Interactions

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Optoelectronic Materials and Technologies and the Guangdong Province Key Laboratory of Display Material and Technology School of Electronics and Information Technology Sun Yat‐sen University Guangzhou 510275 P. R. China

State Key Laboratory of Transducer Technology Shanghai 200050 P. R. China

Dongguan Key Laboratory of Advanced Drug Delivery and Biosensing Research and Development School of Pharmacy and Dongguan Innovation Institute Guangdong Medical University Dongguan 523808 P. R. China

School of Materials Science and Engineering Sun Yat‐sen University Guangzhou 510275 P. R. China

State Key Laboratory of Flexible Electronics (LoFE) & Institute of Advanced Materials (IAM) School of Flexible Electronics (Future Technologies) Nanjing Tech University (Nanjing Tech) Nanjing 211816 P. R. China

Department of Rehabilitation Medicine The First Affiliated Hospital Sun Yat‐sen University Guangzhou 510080 P. R. China

Institute of Flexible Electronics (IFE Future Technologies) Xiang'an Campus Xiamen University Xiang'an South Road Xiamen Fujian 361102 P. R. China

The Ministry of Education Key Laboratory of Micro and Nano Systems for Aerospace School of Mechanical Engineering Northwestern Polytechnical University Xi'an 710072 P. R. China

Funding

National Postdoctoral Program for Innovative Talents · National Natural Science Foundation of China

References (64)

Show source-provided references
1. 10.1002/adma.20190227810.1002/adma.201902278 ↗
2. 10.1002/adfm.20200893610.1002/adfm.202008936 ↗
3. 10.1002/adma.20250236910.1002/adma.202502369 ↗
4. 10.1002/adfm.20241648210.1002/adfm.202416482 ↗
5. 10.1038/s41928‐024‐01247‐410.1038/s41928‐024‐01247‐4 ↗
6. 10.1038/s41467‐023‐44634‐910.1038/s41467‐023‐44634‐9 ↗
7. 10.1002/adfm.20250219610.1002/adfm.202502196 ↗
8. 10.1021/acsnano.4c0844510.1021/acsnano.4c08445 ↗
9. 10.1126/sciadv.ads130110.1126/sciadv.ads1301 ↗
10. 10.1038/s41467‐024‐46249‐010.1038/s41467‐024‐46249‐0 ↗
11. 10.1021/acsnano.2c1261210.1021/acsnano.2c12612 ↗
12. 10.1002/adfm.20250258310.1002/adfm.202502583 ↗
13. 10.1007/s40820‐022‐00887‐510.1007/s40820‐022‐00887‐5 ↗
14. 10.1038/s41928‐020‐0428‐610.1038/s41928‐020‐0428‐6 ↗
15. 10.1109/JSEN.2024.340517310.1109/JSEN.2024.3405173 ↗
16. Gu Y. · Adv. Funct. Mater. · 2025
17. 10.1038/s41467-023-40953-z10.1038/s41467-023-40953-z ↗
18. 10.3390/s2319834310.3390/s23198343 ↗
19. 10.1002/adma.20240537210.1002/adma.202405372 ↗
20. 10.1016/j.bspc.2024.10640810.1016/j.bspc.2024.106408 ↗
21. 10.1038/s41551‐021‐00767‐010.1038/s41551‐021‐00767‐0 ↗
22. 10.1038/s41528‐023‐00246‐310.1038/s41528‐023‐00246‐3 ↗
23. 10.1038/s41467‐023‐42149‐x10.1038/s41467‐023‐42149‐x ↗
24. 10.3390/gels1002014410.3390/gels10020144 ↗
25. 10.1021/acsnano.4c0235910.1021/acsnano.4c02359 ↗
26. 10.1007/s40820‐023‐01043‐310.1007/s40820‐023‐01043‐3 ↗
27. 10.1002/adma.20200346410.1002/adma.202003464 ↗
28. 10.1002/adma.20220960610.1002/adma.202209606 ↗
29. 10.1002/adma.20230986810.1002/adma.202309868 ↗
30. 10.1002/adfm.20230284610.1002/adfm.202302846 ↗
31. 10.1002/advs.20220105910.1002/advs.202201059 ↗
32. 10.1002/adfm.20240260810.1002/adfm.202402608 ↗
33. 10.1039/D2RA07243B10.1039/D2RA07243B ↗
34. 10.1007/s42114‐021‐00208‐110.1007/s42114‐021‐00208‐1 ↗
35. 10.1002/advs.20220723710.1002/advs.202207237 ↗
36. 10.1007/s40820‐024‐01349‐w10.1007/s40820‐024‐01349‐w ↗
37. 10.1002/adfm.20220814110.1002/adfm.202208141 ↗
38. 10.1002/adma.20240103510.1002/adma.202401035 ↗
39. 10.1002/advs.20170052710.1002/advs.201700527 ↗
40. 10.1021/acsami.5c0545210.1021/acsami.5c05452 ↗
41. 10.1038/s41467‐023‐43664‐710.1038/s41467‐023‐43664‐7 ↗
42. 10.1038/s41467‐020‐15990‐710.1038/s41467‐020‐15990‐7 ↗
43. 10.1109/JSEN.2024.337434410.1109/JSEN.2024.3374344 ↗
44. 10.1002/adfm.20220827110.1002/adfm.202208271 ↗
45. 10.1038/s41528‐022‐00189‐110.1038/s41528‐022‐00189‐1 ↗
46. 10.1002/hsr2.225110.1002/hsr2.2251 ↗
47. 10.1038/s41928‐023‐01091‐y10.1038/s41928‐023‐01091‐y ↗
48. 10.1038/s41524-023-01126-010.1038/s41524-023-01126-0 ↗
49. 10.1002/adfm.20240372110.1002/adfm.202403721 ↗
50. 10.1016/j.bspc.2023.10514110.1016/j.bspc.2023.105141 ↗
51. 10.1016/j.nanoen.2023.10898910.1016/j.nanoen.2023.108989 ↗
52. 10.1016/j.matt.2022.02.00610.1016/j.matt.2022.02.006 ↗
53. 10.3390/pharmaceutics1408166310.3390/pharmaceutics14081663 ↗
54. 10.1016/j.matpr.2021.07.48810.1016/j.matpr.2021.07.488 ↗
55. 10.1016/j.ijbiomac.2022.05.07210.1016/j.ijbiomac.2022.05.072 ↗
56. 10.1088/1748‐605X/ad2ed410.1088/1748‐605X/ad2ed4 ↗
57. 10.31635/ccschem.023.20220256410.31635/ccschem.023.202202564 ↗
58. 10.1021/acs.analchem.1c0536310.1021/acs.analchem.1c05363 ↗
59. 10.1002/advs.20230332610.1002/advs.202303326 ↗
60. 10.1109/JSEN.2021.305017510.1109/JSEN.2021.3050175 ↗
61. 10.1016/j.cej.2024.15388210.1016/j.cej.2024.153882 ↗
62. 10.1016/j.epsr.2012.12.01310.1016/j.epsr.2012.12.013 ↗
63. 10.1002/aisy.20240026610.1002/aisy.202400266 ↗
64. 10.1039/C9TA03547H10.1039/C9TA03547H ↗