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| 1 | Epidermal self-powered sweat sensors for glucose and lactate monitoring显示文摘Sweat could be a carrier of informative biomarkers for health status identification;therefore,wearable sweat sensors have attracted significant attention for research.An external power source is an important component of wearable sensors,however,the current power supplies,i.e.,batteries,limit further shrinking down the size of these devices and thus limit their application areas and scenarios.Herein,we report a stretchable self-powered biosensor with epidermal electronic format that enables the in situ detec-tion of lactate and glucose concentration in sweat.Enzymatic biofuel cells serve as self-powered sensing modules allowing the sweat sensor to exhibit a determination coefficient(R2)of 0.98 with a sensitivity of 2.48 mV/mM for lactate detection,and R2 of 0.96 with a sensitivity of 0.11 mV/μM for glucose detection.The microfluidic channels developed in an ultra-thin soft flexible polydimethylsiloxane layer not only enable the effective collection of sweat,but also provide excellent mechanical properties with stable performance output even under 30%stretching.The presented soft sweat sensors can be integrated at nearly any location of the body for the continuous monitoring of lactate and glucose changes during normal daily activities such as exercise.Our results provide a promising approach to develop next-generation sweat sensors for real-time and in situ sweat analysis. | Xingcan Huang Jiyu Li Yiming Liu Tszhung Wong Jingyou Su Kuanming Yao Jingkun Zhou Ya Huang Hu Li Dengfeng Li Mengge Wu Enming Song Shijiao Han Xinge Yu | 2022 | Bio-Design and Manufacturing2022，5，1： | 3 |
| 2 | Garment embedded sweat-activated batteries in wearable electronics for continuous sweat monitoring显示文摘Thin,soft,and skin-integrated electronic system has great advantages for realizing continuous human healthcare monitoring.Here,we report an ultra-thin,flexible,and garment-based microelectronics powered by sweat-activated batteries(SABs)and applications of powering biosensors and microelectronic systems for real time sweat monitoring.The SAB cell is ultra-thin(1.25 mm)with excellent biocompatibility.The SAB has good electricity output with high capacity(14.33 mAh)and maximum power density(3.17 mW cm^(−2))after being activated by the sweat volume of 0.045 mL cm^(−2),which could continuously power 120 light emitting diodes over 3 h.The outputs could maintain stable after repeatable bending.Wireless microelectronics system could be continuously powered by the SABs for 3 h to monitor sweat and physiological information,including sweat Na+concentration,pH,and skin impedance.The reported integrated system provides a potential for solving the power issues of flexible wearable electronics and realizing personalized medicine. | Xingcan Huang Yiming Liu Jingkun Zhou Sina Khazaee Nejad Tsz Hung Wong Ya Huang Hu Li Chun Ki Yiu Wooyoung Park Jian Li Jingyou Su Ling Zhao Kuanming Yao Mengge Wu Zhan Gao Dengfeng Li Jiyu Li Rui Shi Xinge Yu | 2022 | npj Flexible Electronics2022，6，1： | 1 |
| 3 | Soft,stretchable,wireless intelligent three-lead electrocardiograph monitors with feedback functions for warning of potential heart attack显示文摘Cardiovascular diseases(CVDs)are fatal chronic diseases,where electrocardiography(ECG)monitoring could be a prominent solution for early diagnosis.In spite of available commercialized,multilead ECG devices,bulky formats,discontinuous monitoring,and no safety alarm system significantly limit their practical applications.Herein,we present a soft,and stretchable,three-lead ECG device allowing continuous monitoring and wireless transmission of ECG signals.A newly developed organohydrogel patch with a strong adhesive ability(~9.9 kPa)and higher conductivity(~6.5 kΩ)is applied for high-quality ECG signals collection.With a long operation duration(6.5 h)and wireless transmission distance(20.9 m),it could fulfill most of the daily applications.Machine learning algorithms and the graphical user interface are used for real-time ECG monitoring and cardiac abnormalities diagnosis.The vibratory flexible actuator,which is triggered by cardiac abnormalities that need immediate medical treatment,is also integrated as a warning system for the user.As a newly reported stretchable multi-lead ECG device for long-term ECG signal monitoring,there is a high potential for improving users'life quality with the high-risk population of CVDs. | Chunki Yiu Yiming Liu Chao Zhang Jingkun Zhou Huiling Jia Tsz H.Wong Xingcan Huang Jian Li Kuanming Yao Ming K.Yau Ling Zhao Hu Li Binbin Zhang Wooyoung Park Yuanting Zhang Zuankai Wang Xinge Yu | 2022 | SmartMat2022，3，4： | 1 |
| 4 | True-color real-time imaging and spectroscopy of carbon nanotubes on substrates using enhanced Rayleigh scattering显示文摘白光照亮的围单人赛的碳 nanotubes (SWCNT ) 应该由于散布的回声瑞利显得有颜色。然而,底层上的 SWCNT 的真彩成像没被报导,因为 SWCNT 和散布的强壮的底层的极其低的散布紧张。这里,我们证明散布的瑞利能被接口偶极子改进效果极大地提高。底层上的因而丰富多彩的 SWCNT 能被宽地 supercontinuum 激光照明直接在一台光显微镜下面想象,它便于单个 SWCNT 的高产量 chirality 赋值。这条途径,称为的瑞利成像显微镜学,没被限制为 SWCNT,但是对许多 nanomaterials 广泛地适用,它使丰富多彩的 nanoworld 能在光显微镜下面被探索。 | Wenyun Wu Jingying Yue Xiaoyang Lin Dongqi Li Fangqiang Zhu Xue Yin Jun Zhu Jiangtao Wang Jin Zhang Yuan Chen Xinhe Wang Tianyi Li Yujun He Xingcan Dai Peng Liu Yang wei Jiaping Wang Wei Zhang Yidong Huang Li Fan Lina Zhang Qunqing Li Shoushan Fan Kaili Jiang | 2015 | Nano Research2015，8，8： | 1 |
| 5 | Thin,soft,skin-integrated electronics for real-time and wireless detectionof uricacid in sweat显示文摘Wearable sweat sensors are gaining significant attention due to their unparalleled potential for noninvasive health monitoring.Sweat,as a kind of body fluid,contains informative physiological indicators that are related to personalized health status.Advances in wearable sweat sampling and routing technologies,flexible,and stretchable materials,and wireless digital technologies have led to the development of integrated sweat sensors that are comfortable,flexible,light,and intelligent.Herein,we report a flexible and integrated wearable device via incorporating a microfluidic system and a sensing chip with skin-integrated electronic format toward in-situ monitoring of uric acid(UA)in sweat that associates with gout,cardiovascular,and renal diseases.The microfluidic system validly realizes the real-time capture perspiration from human skin.The obtained detection range is 5-200μM and the detection limit is 1.79μM,which offers an importance diagnostic method for clinical relevant lab test.The soft and flexible features of the constructed device allows it to be mounted onto nearly anywhere on the body.We tested the sweat UA in diverse subjects and various body locations during exercise,and similar trends were also observed by using a commercial UA assay kit. | Yue Hu Lan Wang Jian Lia Yawen Yang Guangyao Zhao Yiming Liu Xingcan Huang Pengcheng Wu Binbin Zhang Yanli Jia Mengge Wu Shengxin Jia Qiang Zhang Guoqiang Xu Rui Shi Dengfeng Li Yingchun Li Zhengchun Peng Xinge Yu | 2023 | International Journal of Smart and Nano Materials2023，14，4： | 0 |
| 6 | Stretchable magnesium-air battery based on dual ions conducting hydrogel for intelligent biomedical applications显示文摘Flexible and bio-integrated electronics have attracted great attention due to their enormous contributions to personalized medical devices.Power sources,serving as one of the most important components,have been suffering from many problems,including deficient biocompatibility,poor stretchability,and unstable electrical outputs under deformed conditions,which limits the practical applications in flexible and bio-integrated electronics.Here,we reported a fully stretchable magnesium(Mg)–air battery based on dual-ions-conducting hydrogels(SDICH).The high-performance battery enables long-term operation with lighting 120 lighting emitting diodes(LEDs)for over 5 h.Benefiting from the advanced materials and mechanical designs,the battery exhibits stability electrical outputs under stretching,which allows to operate ordinarily under various mechanical deformations without performance decay.Furthermore,the great biocompatibility of the battery offers great opportunity for biomedical applications,which is demonstrated by a self-adaption wound dressing system.The in vitro and in vivo results prove that the self-adaption wound dressing can effectively prevent wound inflammation and promote wound healing.By exploiting thermal feedback mechanics,the system can adjust antibiotic release rate and dosage spontaneously according to the real-time wound conditions.The proposed fully stretchable Mg-air battery and self-adaption wound dressing display great potential in skin-integrated electronics and personalized medicine. | Xingcan Huang Yiming Liu Wooyoung Park Zhao Zhao Jiyu Li Chee Kent Lim Tsz Hung Wong Chun Ki Yiu Yuyu Gao Jingkun Zhou HuLi Ling Zhao Jian Li Binbin Zhang Ya Huang Rui Shi Dengfeng Li Jiaying Mo Jinpei Wang Chao Zhang Yuhang Li Zuankai Wang Xinge Yu | 2023 | InfoMat2023，5，3： | 0 |
| 7 | Exploring High-Performance Architecture for Data Center Networks显示文摘As a critical infrastructure of cloud computing,data center networks(DCNs)directly determine the service performance of data centers,which provide computing services for various applications such as big data processing and artificial intelligence.However,current architectures of data center networks suffer from a long routing path and a low fault tolerance between source and destination servers,which is hard to satisfy the requirements of high-performance data center networks.Based on dual-port servers and Clos network structure,this paper proposed a novel architecture RClos to construct high-performance data center networks.Logically,the proposed architecture is constructed by inserting a dual-port server into each pair of adjacent switches in the fabric of switches,where switches are connected in the form of a ring Clos structure.We describe the structural properties of RClos in terms of network scale,bisection bandwidth,and network diameter.RClos architecture inherits characteristics of its embedded Clos network,which can accommodate a large number of servers with a small average path length.The proposed architecture embraces a high fault tolerance,which adapts to the construction of various data center networks.For example,the average path length between servers is 3.44,and the standardized bisection bandwidth is 0.8 in RClos(32,5).The result of numerical experiments shows that RClos enjoys a small average path length and a high network fault tolerance,which is essential in the construction of high-performance data center networks. | Deshun Li Shaorong Sun Qisen Wu Shuhua Weng Yuyin Tan Jiangyuan Yao Xiangdang Huang Xingcan Cao | 2023 | Computer Systems Science & Engineering2023，46，7： | 0 |
| 8 | Thin,soft,3D printing enabled crosstalk minimized triboelectric nanogenerator arrays for tactile sensing显示文摘With the requirements of self-powering sensors in flexible electronics,wearable triboelectric nanogenerators(TENGs)have attracted great attention due to their advantages of excellent electrical outputs and low-cost processing routes.The crosstalk effect between adjacent sensing units in TENGs significantly limits the pixel density of sensor arrays.Here,we present a skin-integrated,flexible TENG sensor array with 100 sensing units in an overall size of 7.5 cm×7.5 cm that can be processed in a simple,low-cost,and scalable way enabled by 3D printing.All the sensing units show good sensitivity of 0.11 V/kPa with a wide range of pressure detection from 10 to 65 kPa,which allows to accurately distinguish various tactile formats from gentle touching(as low as 2 kPa)to hard pressuring.The 3D printing patterned substrate allows to cast triboelectric layers of polydimethylsiloxane in an independent sensing manner for each unit,which greatly suppresses the cross talk arising from adjacent sensing units,where the maximum crosstalk output is only 10.8%.The excellent uniformity and reproducibility of the sensor array offer precise pressure mapping for complicated pattern loadings,which demonstrates its potential in tactile sensing and human-machine interfaces. | Jian Li Yiming Liu Mengge Wu Kuanming Yao Zhan Gao Yuyu Gao Xingcan Huang Tsz Hung Wong Jingkun Zhou Dengfeng Li Hu Li Jiyu Li Ya Huang Rui Shi Junsheng Yu Xinge Yu | 2023 | Fundamental Research2023，3，1： | 0 |
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