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46 results on '"Tang, Shi‐Yang"'

11. Liquid metal motor

Author

Wang, Erlong, Shu, Jian, Jin, Hu, Tao, Zhe, Xie, Jie, Tang, Shi-Yang, Li, Xiangpeng, Li, Weihua, Dickey, Michael D., and Zhang, Shiwu

Published
2021
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12. Printed droplet microfluidics for on demand dispensing of picoliter droplets and cells

Author

Cole, Russell H, Tang, Shi-Yang, Siltanen, Christian A, Shahi, Payam, Zhang, Jesse Q, Poust, Sean, Gartner, Zev J, and Abate, Adam R

Subjects
Biotechnology, Clinical Research, Biological Assay, Cell Count, Cell Line, Tumor, Humans, Microfluidic Analytical Techniques, Microfluidics, Printing, single-cell analysis, droplet microfluidics, fluorescence-activated droplet sorting, cell printing, droplet array
Abstract

Although the elementary unit of biology is the cell, high-throughput methods for the microscale manipulation of cells and reagents are limited. The existing options either are slow, lack single-cell specificity, or use fluid volumes out of scale with those of cells. Here we present printed droplet microfluidics, a technology to dispense picoliter droplets and cells with deterministic control. The core technology is a fluorescence-activated droplet sorter coupled to a specialized substrate that together act as a picoliter droplet and single-cell printer, enabling high-throughput generation of intricate arrays of droplets, cells, and microparticles. Printed droplet microfluidics provides a programmable and robust technology to construct arrays of defined cell and reagent combinations and to integrate multiple measurement modalities together in a single assay.

Published
2017

15. Electro-mechano responsive elastomers with self-tunable conductivity and stiffness

Author

Yun, Guolin, primary, Cole, Tim, additional, Zhang, Yuxin, additional, Zheng, Jiahao, additional, Sun, Shuaishuai, additional, Ou-yang, Yiming, additional, Shu, Jian, additional, Lu, Hongda, additional, Zhang, Qingtian, additional, Wang, Yongjing, additional, Pham, Duc, additional, Hasan, Tawfique, additional, Li, Weihua, additional, Zhang, Shiwu, additional, and Tang, Shi-Yang, additional

Published
2023
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19. Viscoelastic Properties of Gallium-indium Alloy

Author

Yang Yikun, Sun Shuaishuai, Tang Shi-Yang, Li Weihua, and Zhang Shiwu

Subjects
viscoelasticity, gallium-indium alloy, storage modulus, loss modulus, Materials of engineering and construction. Mechanics of materials, TA401-492
Abstract

The viscoelastic properties of a gallium-indium alloy in the pre-yield region make it easier to understand their characteristics, particularly the varying degrees of stiffness and damping properties. These viscoelastic properties were measured with a strain-controlled rheometer, where both strain amplitude sweep mode and the angular frequency sweep mode were conducted. Three groups of experiments were carried out in the strain amplitude sweep mode. In the angular frequency sweep mode, the storage modulus G′ and the loss modulus G″ were investigated at the linear region, the critical region, and the non-linear region. Experimental results indicate that the gallium-indium alloy exhibited similar viscoelastic properties. The linear viscoelastic region takes place when the strain amplitude is less than the critical strain amplitude of 1 %. At the critical regime, the gallium-indium alloy has the strongest relative elasticity. These results are helpful to understand the intrinsic properties of gallium-indium alloys and find their application in flexible circuits, soft robotics, self-healing, and mechanical shock absorption.

Published
2018
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21. Liquid metal enabled pump

Author

Tang, Shi-Yang, Khoshmanesh, Khashayar, Sivan, Vijay, Petersen, Phred, O'Mullane, Anthony P., Abbott, Derek, Mitchell, Arnan, and Kalantar-zadeh, Kourosh

Published
2014

23. Variable stiffness wires based on magnetorheological liquid metals

Author

Zhou, Xiangbo, primary, Shu, Jian, additional, Jin, Hu, additional, Ren, Hongtai, additional, Ma, Gang, additional, Gong, Ning, additional, Ge, Du-an, additional, Shi, Juan, additional, Tang, Shi-Yang, additional, Yun, Guolin, additional, Lu, Hongda, additional, Dong, Shuai, additional, Li, Xiangpeng, additional, Zhang, Shiwu, additional, and Li, Weihua, additional

Published
2022
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25. Superelongation of Liquid Metal

Author

Li, Xiangpeng, primary, Cao, Lu, additional, Xiao, Bing, additional, Li, Fangxia, additional, Yang, Junhui, additional, Hu, Jie, additional, Cole, Tim, additional, Zhang, Yuxin, additional, Zhang, Mingkui, additional, Zheng, Jiahao, additional, Zhang, Shiwu, additional, Li, Weihua, additional, Sun, Lining, additional, Chen, Xiaoqian, additional, and Tang, Shi‐Yang, additional

Published
2022
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35. Sulfoxide‐Containing Polymer‐Coated Nanoparticles Demonstrate Minimal Protein Fouling and Improved Blood Circulation

Author

Qiao, Ruirui, primary, Fu, Changkui, additional, Li, Yuhuan, additional, Qi, Xiaole, additional, Ni, Dalong, additional, Nandakumar, Aparna, additional, Siddiqui, Ghizal, additional, Wang, Haiyan, additional, Zhang, Zheng, additional, Wu, Tingting, additional, Zhong, Jian, additional, Tang, Shi‐Yang, additional, Pan, Shuaijun, additional, Zhang, Cheng, additional, Whittaker, Michael R., additional, Engle, Jonathan W., additional, Creek, Darren J., additional, Caruso, Frank, additional, Ke, Pu Chun, additional, Cai, Weibo, additional, Whittaker, Andrew K., additional, and Davis, Thomas P., additional

Published
2020
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36. The Viscoelastic Properties of Gallium-Indium Alloy

Author

Yang Yikun, Sun Shuaishuai, Tang Shi-Yang, Li Weihua, and Zhang Shiwu

Subjects
storage modulus, 02 engineering and technology, 021001 nanoscience & nanotechnology, Physics::Fluid Dynamics, Condensed Matter::Materials Science, 020401 chemical engineering, gallium-indium alloy, TA401-492, loss modulus, 0204 chemical engineering, 0210 nano-technology, Materials of engineering and construction. Mechanics of materials, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), viscoelasticity
Abstract

Peer-reviewed journal article, Applied Rheology

Published
2018
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43. Electro-mechano responsive elastomers with self-tunable conductivity and stiffness

Author

Guolin Yun, Tim Cole, Yuxin Zhang, Jiahao Zheng, Shuaishuai Sun, Yiming Ou-yang, Jian Shu, Hongda Lu, Qingtian Zhang, Yongjing Wang, Duc Pham, Tawfique Hasan, Weihua Li, Shiwu Zhang, Shi-Yang Tang, Yun, Guolin [0000-0001-5457-3777], Cole, Tim [0000-0002-0221-1560], Zhang, Yuxin [0000-0001-8867-9350], Zheng, Jiahao [0000-0001-7313-9941], Ou-Yang, Yiming [0000-0003-2759-8754], Lu, Hongda [0000-0002-8696-5684], Zhang, Qingtian [0000-0002-7704-7427], Wang, Yongjing [0000-0002-9640-0871], Pham, Duc [0000-0003-3148-2404], Hasan, Tawfique [0000-0002-6250-7582], Li, Weihua [0000-0002-6190-8421], Zhang, Shiwu [0000-0001-7118-7704], Tang, Shi-Yang [0000-0002-3079-8880], and Apollo - University of Cambridge Repository

Subjects
Multidisciplinary, Bioengineering, 4016 Materials Engineering, 40 Engineering
Abstract

Materials with programmable conductivity and stiffness offer new design opportunities for next-generation engineered systems in soft robotics and electronic devices. However, existing approaches fail to harness variable electrical and mechanical properties synergistically and lack the ability to self-respond to environmental changes. We report an electro-mechano responsive Field’s metal hybrid elastomer exhibiting variable and tunable conductivity, strain sensitivity, and stiffness. By synergistically harnessing these properties, we demonstrate two applications with over an order of magnitude performance improvement compared to state-of-the-art, including a self-triggered multiaxis compliance compensator for robotic manipulators, and a resettable, highly compact, and fast current-limiting fuse with an adjustable fusing current. We envisage that the extraordinary electromechanical properties of our hybrid elastomer will bring substantial advancements in resilient robotic systems, intelligent instruments, and flexible electronics.

Published
2023
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44. Silver Nanoflakes-Enhanced Anisotropic Hybrid Composites for Integratable Pressure Sensors

Author

Qingtian Zhang, Guolin Yun, Shida Jin, Zexin Chen, Shi-Yang Tang, Hongda Lu, Haiping Du, Weihua Li, Zhang, Qingtian [0000-0002-7704-7427], Yun, Guolin [0000-0001-5457-3777], Tang, Shi-Yang [0000-0002-3079-8880], Lu, Hongda [0000-0002-8696-5684], Li, Weihua [0000-0002-6190-8421], and Apollo - University of Cambridge Repository

Subjects
highly sensitive pressure sensor, conductive elastomer, General Chemical Engineering, anisotropic properties, electronic skins, General Materials Science
Abstract

Flexible pressure sensors based on polymer elastomers filled with conductive fillers show great advantages in their applications in flexible electronic devices. However, integratable high-sensitivity pressure sensors remain understudied. This work improves the conductivity and sensitivity of PDMS-Fe/Ni piezoresistive composites by introducing silver flakes and magnetic-assisted alignment techniques. As secondary fillers, silver flakes with high aspect ratios enhance the conductive percolation network in composites. Meanwhile, a magnetic field aligns ferromagnetic particles to further improve the conductivity and sensitivity of composites. The resistivity of the composite decreases sharply by 1000 times within a tiny compression strain of 1%, indicating excellent sensing performance. On the basis of this, we demonstrate an integratable miniature pressure sensor with a small size (2 × 2 × 1 mm), high sensitivity (0.966 kPa−1), and wide sensing range (200 kPa). Finally, we develop a flexible E-skin system with 5 × 5 integratable sensor units to detect pressure distribution, which shows rapid real-time response, high resolution, and high sensitivity.

Published
2023
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46. Liquid metal motor.

Author

Wang E, Shu J, Jin H, Tao Z, Xie J, Tang SY, Li X, Li W, Dickey MD, and Zhang S

Abstract

Liquid metal has demonstrated an enormous potential for developing soft functional devices and machines. However, current liquid metal enabled machines suffer from several issues, such as the requirement of a liquid environment, generation of weak actuating forces, and insufficient maneuverability. To overcome these restrictions, here, a motor is developed based on the electrical actuation of liquid metal droplets without the need for conventional electromagnets. The approach is distinguished by (1) the encapsulation of electrolyte and multiple liquid metal droplets within an enclosed system, and (2) the creation of stable and continuous torque outside a liquid environment. In addition, a liquid metal electrical brush is introduced to operate the motor with low friction and low wear. The unique driving mechanism endows the motor with several advantages, including low friction, no sparking, low noise, versatile working environment, and being built from soft materials that could offer new opportunities for developing soft robotics., Competing Interests: The authors declare that they have no conflict of interest., (© 2020 The Authors.)

Published
2020
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