Tailor-Made Engineering of Bioinspired Inks for Writing Barcode-like Multifunctional Sensory Electronics

Zhang, Min; Fan, Yu-Lin; Lu, Yaojuan; Ding, Xu-Yin; Lin, Ziyang; Shi, Guoyue; Wu, Weiwei; Haick, Hossam

doi:10.1021/acssensors.9b01561

Cited by 12 publications

(10 citation statements)

References 32 publications

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“…This platform is expected to provide the foundation for the development of a wide variety of low-end and high-end wearable patches that can detect a wide variety of diseases and illnesses detectable by "sniffing" the corresponding skin-emitted VOCs. [14,[80][81][82] In summary, we developed a new method for detecting Tuberculosis from skin headspace, harnessing nanomaterialbased sensors for noninvasive and easy sampling, utilizing volotalomics. This platform is suitable for serving as a triage test for Tuberculosis and can be easily modified to meet the needs for other diagnostics purposes.…”

Section: Discussionmentioning

confidence: 99%

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Profiles of Volatile Biomarkers Detect Tuberculosis from Skin

et al. 2021

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Tuberculosis (TB) is an infectious disease that threatens >10 million people annually. Despite advances in TB diagnostics, patients continue to receive an insufficient diagnosis as TB symptoms are not specific. Many existing biodiagnostic tests are slow, have low clinical performance, and can be unsuitable for resource‐limited settings. According to the World Health Organization (WHO), a rapid, sputum‐free, and cost‐effective triage test for real‐time detection of TB is urgently needed. This article reports on a new diagnostic pathway enabling a noninvasive, fast, and highly accurate way of detecting TB. The approach relies on TB‐specific volatile organic compounds (VOCs) that are detected and quantified from the skin headspace. A specifically designed nanomaterial‐based sensors array translates these findings into a point‐of‐care diagnosis by discriminating between active pulmonary TB patients and controls with sensitivity above 90%. This fulfills the WHO's triage test requirements and poses the potential to become a TB triage test.

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Section: Discussionmentioning

confidence: 99%

“…This platform is expected to provide the foundation for the development of a wide variety of low‐end and high‐end wearable patches that can detect a wide variety of diseases and illnesses detectable by “sniffing” the corresponding skin‐emitted VOCs. [ 14,80–82 ]…”

Section: Discussionmentioning

confidence: 99%

Profiles of Volatile Biomarkers Detect Tuberculosis from Skin

et al. 2021

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“…Strain/Pressure, Temperature Sensing, and Beyond: Besides, strain/pressure and temperature flexible sensors embody some other sensing functionalities such as light, [19,187,199,[233][234][235][236] magnetic field, [237] speed (acceleration), [197,199,238] flow, [6,218] matter, [211,238,239] fingerprint, [212] chemicals, [34,66] gas, [13,240,241] pH, [66,242] etc., are extremely necessary and also emerges due to our ever-increasing expectations for high-quality and omnipotent flexible electronics. [243] As a result of the diversity of functional materials and structures, it is likely to fabricate flexible strain/pressure and temperature flexible sensors equipped with other sensing traits to enrich the multifunctionality of e-skin.…”

Section: Mechanical Deformation and Temperature Sensingmentioning

confidence: 99%

“…It seems to easily come up with numerous strategies to fabricate multifunctional sensors via the integration of multifunctional flexible sensors for synchronously perceiving strain, temperature, humidity, and even some other parameters such as pH, UV, magnetism, VOCs, [235] etc. However, it is hard to create one flexible or stretchable device sensitive to more than three parameters because of the extensively complicated material selection and assembly, as well as corresponding signal processing.…”

Section: Strain/pressure Temperature and Humidity Sensingmentioning

confidence: 99%

“…With reference to multiple sensing functions and traits, the sensing capacities worthy of further study should cover scent, sound, touch, tilt, saliva, sweat and tears [266] and external stimulations such as light, [235] voice, [267] chemicals, texture, flow, rate, and acceleration. [69] Given that multiresponsive flexible sensor is integrated into e-skin functioning as skin-attachable devices, it has to be extremely conformable to 3D-curved human skin.…”

Section: Conclusion and Prospectsmentioning

confidence: 99%

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Recent Advances in Multiresponsive Flexible Sensors towards E‐skin: A Delicate Design for Versatile Sensing

Jia

et al. 2021

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As we know, human skin is natural barrier for human being to protect the body from external substance invasion, and also biological multifunctional sensors perceiving pressure, temperature, proximity, pain, smell, friction, texture of objects, etc. [4,12,13] Admittedly, human skin also has its intrinsic drawbacks like inaccurate and indirect discernment of relative humidity which needs to be perceived by the cooperation of mechanoreceptor and thermoreceptor. [14,15] Thus, e-skin should be not only limited to imitating the structure and multifunctional sensing capabilities of human skin, but also be able to develop more excellent traits beyond the human skin. [14,16] Considering the exploitation and employment of numerous materials, versatile structures and the integration of various mechanisms and manufacturing methods, the real future e-skins would surpass human skin in most aspects and show new characteristics such as transduction of other stimuli like light, sound, and even magnetism. [17][18][19] The delicate design and integration of multifunctional flexible sensors may overcome the current shortcomings and offer new insight into the forthcoming era of omnipotent stretchable and bendable electronics.Basically, flexibility is a trait for contours with zero-Gaussian curvature, while stretchability is necessary for conformal and entire covering surfaces with non-zero Gaussian curvature when the flexible sensors are attached to irregular 3-dimensionally curvilinear human skin. [20] Thus, stretchable sensors are supposed to be flexible. In the beginning of flexible sensors, most of the elemental sensing parts were created by combining inherently inorganic and rigid active materials (e.g., Si and Au) with soft substrates via special shape designs which are partly flexible to some extent. [20][21][22][23] Nonetheless, it is far from perfect for practical use if attaching these electronic devices on arbitrarily curved human skin and robot surfaces. Actually, commercial wearables are supposed to gradually take the sense of human scale and aesthetic into consideration, i.e., they are expected to be mechanically conformal, user-comfortable, environment-friendly, biocompatible, transparent, etc. [24,25] Consequently, all-flexible/stretchable sensors mainly consisting of organic active materials and/or metal nanowires are springing up. [26] Among various signals existing in nature, forces, temperature, and humidity play essential and vital roles in our normal Multiresponsive flexile sensors with strain, temperature, humidity, and other sensing abilities serving as real electronic skin (e-skin) have manifested great application potential in flexible electronics, artificial intelligence (AI), and Internet of Things (IoT). Although numerous flexible sensors with sole sensing function have already been reported since the concept of e-skin, that mimics the sensing features of human skin, was proposed about a decade ago, the ones with more sensing capacities as new emergences are urgently demanded. However, highly integrated a...

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Colorimetric Fabry‐Pérot Sensor with Hetero‐Structured Dielectric for Humidity Monitoring

Li,

Tian,

et al. 2024

Small Methods

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A full‐color colorimetric humidity sensor with high brightness is proposed by using a hetero‐structured dielectric film in a metal‐insulator‐metal (MIM) resonator. A humidity‐responsive polymer is designed to graft on top of a metal‐organic frameworks (MOFs) thin film (MOFs‐Polymer) as insulator layer in the resonator. Programmable tuning of reflected color is achieved by controlling the polymer thicknesses, and finite difference time domain simulation of light‐matter interactions at subwavelength scales proves the dependence of the reflected wavelength on dielectric layer thickness of the resonator. Vivid full‐color changing is realized during tracking humidity process due to swelling of the stimuli‐responsive polymer. Ultrafast response (≈0.75 s) is achieved for tracking trace H2O from H2O/methanol mixture, which is ≈104 faster than that of the pure polymer‐based MIM resonator. Meanwhile, the study observes significant spectral redshift because the porous MOFs film facilitates the preconcentration of external stimulus and improves the detection sensitivity of the resonator. Further, double‐channel anti‐counterfeiting multiplexing imaging is devised on the MIM resonator by photomask technology. Patterned encoding for security label is achieved on the MIM resonator by engineering humidity‐tunable pixels of Au/MOFs‐Polymer/Au and humidity‐invalid pixels of Au/MOFs/Au.

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Tailor-Made Engineering of Bioinspired Inks for Writing Barcode-like Multifunctional Sensory Electronics

Cited by 12 publications

References 32 publications

Profiles of Volatile Biomarkers Detect Tuberculosis from Skin

Profiles of Volatile Biomarkers Detect Tuberculosis from Skin

Recent Advances in Multiresponsive Flexible Sensors towards E‐skin: A Delicate Design for Versatile Sensing

Colorimetric Fabry‐Pérot Sensor with Hetero‐Structured Dielectric for Humidity Monitoring

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