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170 results on '"Jiang, Keren"'

3. Interfacial friction-induced electronic excitation mechanism for tribo-tunneling current generation

Author

Liu, Jun, Jiang, Keren, Nguyen, Lan, Li, Zhi, and Thundat, Thomas

Subjects
Physics - Applied Physics
Abstract

Direct-current (d.c.) electricity generation using moving Schottky contact is emerging as a new strategy for mechanical energy conversion. Here, we demonstrate the generation of d.c.tunneling current with a density of ~35 A/m2 at a metal-insulator-semiconductor (MIS) sliding system using micro-tips. The measured current densities were found to be three to four orders of magnitude higher than that observed with the conventional polymer-based triboelectric nanogenerators (TENGs). The electromotive force for the tribo-tunneling transport comes from the dynamic electronic excitation at the frictional interface rather than from the electrostatically trapped surface charges as in the case of conventional TENGs. The strong electronic excitation can give rise to a non-equilibrium interfacial charge variation. Depending on the energy distribution of the excited electrons/holes, the charge variation subsequently dissipates non-adiabatically into tunneling current and trapped surface charges, or adiabatically into heat. These fundamental results not only enhance our understanding of the triboelectric phenomenon, but also open up new paths for the development of next-generation mechanical energy harvesting and sensing techniques.

Published
2018

5. Nanomechanical resonance captures pre-melting transition in DNA unravelling

Author

Jiang, Keren, Khan, Faheem, Thomas, Javix, Phani, Arindam, and Thundat, Thomas

Subjects
Condensed Matter - Soft Condensed Matter, Physics - Biological Physics, Quantitative Biology - Biomolecules
Abstract

A double-stranded DNA unravels thermally through intermediate denatured bubble segments. Intrinsically, fluctuations ensue at the bubble boundaries from non-equilibrium (NE) energy exchanges with the environment. However, such details gets obscured by large population kinetics at the macroscale, associating equilibrium pathway to the unravelling landscape. In this work, we capture evidence of fluctuation energetics with picoliter samples in a microfluidic cantilever. We exploit nanomechanical resonance to measure the NE energy exchanges through dissipation, revealing a crucial pre-melting transition at T~42C . This signifies that unravelling possibly proceeds via intermediate collapsed-bubble conformations releasing energy, sufficient to unbind bubble ends, assisting further unbinding. Fluctuation theorem explains the observations opening further avenues to investigate fluctuation kinetics in other biological phenomena that also proceed through similar NE energetics., Comment: Manuscript and Supplementary Information

Published
2018

10. Society of 'Citizen Science through Dancing'

Author

Kimura, Risa, Jiang, Keren, Zhang, Di, Nakajima, Tatsuo, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Novais, Paulo, editor, Vercelli, Gianni, editor, Larriba-Pey, Josep L., editor, Herrera, Francisco, editor, and Chamoso, Pablo, editor

Published
2021
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12. A Robotic Haptic Feedback Device for Immersive Virtual Reality Applications

Author

Jiang, Keren, Piao, Xinlei, Al-Sada, Mohammed, Höglund, Thomas, Ranade, Shubhankar, Nakajima, Tatsuo, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Novais, Paulo, editor, Jung, Jason J., editor, Villarrubia González, Gabriel, editor, Fernández-Caballero, Antonio, editor, Navarro, Elena, editor, González, Pascual, editor, Carneiro, Davide, editor, Pinto, António, editor, Campbell, Andrew T., editor, and Durães, Dalila, editor

Published
2019
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21. MicroRNA-101-2-5p targets the ApoB gene in the liver of chicken (Gallus Gallus)

Author

Ma, Zheng, Li, Hong, Zheng, Hang, Jiang, Keren, Jia, Lijuan, Yan, Fengbin, Tian, Yadong, Kang, Xiangtao, Wang, Yanbin, and Liu, Xiaojun

Subjects
RNA sequencing -- Methods -- Physiological aspects -- Genetic aspects, MicroRNA -- Physiological aspects -- Methods -- Genetic aspects, Liver -- Genetic aspects -- Methods -- Physiological aspects, Chickens -- Genetic aspects -- Methods -- Physiological aspects, Biological sciences
Abstract

Abstract: Apolipoprotein B (ApoB) is a major protein component of plasma lipoproteins. It is involved in many important biological processes such as lipid transportation, enzyme activity regulation, and receptor recognition. [...]

Published
2017
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26. HapticSnakes: multi-haptic feedback wearable robots for immersive virtual reality

Author

Al-Sada, Mohammed, Jiang, Keren, Ranade, Shubhankar, Kalkattawi, Mohammed, and Nakajima, Tatsuo

Subjects
Taps, Design, Multipurpose, Gestures, Robot, Wearable, Airflow, Feeding, Human-centred computing, Torso, Graphics, augmented reality and games, Haptic
Abstract

Haptic feedback plays a large role in enhancing immersion and presence in VR. However, previous research and commercial products have limitations in terms of variety and locations of delivered feedbacks. To address these challenges, we present HapticSnakes, which are snake-like waist-worn robots that can deliver multiple types of feedback in various body locations, including taps-, gestures-, airflow-, brushing- and gripper-based feedbacks. We developed two robots, one is lightweight and suitable for taps and gestures, while the other is capable of multiple types of feedback. We presented a design space based on our implementations and conducted two evaluations. Since taps are versatile, easy to deliver and largely unexplored, our first evaluation focused on distinguishability of tap strengths and locations on the front and back torso. Participants had highest accuracy in distinguishing feedback on the uppermost regions and had superior overall accuracy in distinguishing feedback strengths over locations. Our second user study investigated HapticSnakes' ability to deliver multiple feedback types within VR experiences, as well as users' impressions of wearing our robots and receiving novel feedback in VR. The results indicate that participants had distinct preferences for feedbacks and were in favor of using our robots throughout. Based on the results of our evaluations, we extract design considerations and discuss research challenges and opportunities for developing multi-haptic feedback robots. - 2019, The Author(s). Open Access funding provided by the Qatar National Library. The presented work is supported in part through Program for Leading Graduate Schools, “Graduate Program for Embodiment Informatics” by Japan’s Ministry of Education, Culture, Sports, Science and Technology. We would also like to thank Mr. Thomas Höglund for his contribution to the mechanical design and control software of the HapticSnakes system. Scopus

Published
2022
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29. A Comprehensive Proteome and Acetyl-Proteome Atlas Reveals Molecular Mechanisms Adapting to the Physiological Changes From Pre-laying to Peak-Laying Stage in Liver of Hens (Gallus gallus)

Author

Wang, Zhang, primary, Wang, Dandan, additional, Jiang, Keren, additional, Guo, Yulong, additional, Li, Zhuanjian, additional, Jiang, Ruirui, additional, Han, Ruili, additional, Li, Guoxi, additional, Tian, Yadong, additional, Li, Hong, additional, Kang, Xiangtao, additional, and Liu, Xiaojun, additional

Published
2021
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35. Additional file 3 of Global investigation of estrogen-responsive genes regulating lipid metabolism in the liver of laying hens

Author

Ren, Junxiao, Tian, Weihua, Jiang, Keren, Wang, Zhang, Wang, Dandan, Li, Zhuanjian, Yan, Fengbin, Wang, Yanbin, Tian, Yadong, Ou, Kepeng, Wang, Hongjun, Kang, Xiangtao, Li, Hong, and Liu, Xiaojun

Subjects
TheoryofComputation_MATHEMATICALLOGICANDFORMALLANGUAGES
Abstract

Additional file 3: Table S3. Descriptive summary of data generated by miRNA-seq.

Published
2021
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36. Additional file 1 of Global investigation of estrogen-responsive genes regulating lipid metabolism in the liver of laying hens

Author

Ren, Junxiao, Tian, Weihua, Jiang, Keren, Wang, Zhang, Wang, Dandan, Li, Zhuanjian, Yan, Fengbin, Wang, Yanbin, Tian, Yadong, Ou, Kepeng, Wang, Hongjun, Kang, Xiangtao, Li, Hong, and Liu, Xiaojun

Subjects
ComputingMethodologies_PATTERNRECOGNITION, TheoryofComputation_MATHEMATICALLOGICANDFORMALLANGUAGES
Abstract

Additional file 1: Table S1. Descriptive summary of data generated by RNA-seq.

Published
2021
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37. Additional file 4 of Global investigation of estrogen-responsive genes regulating lipid metabolism in the liver of laying hens

Author

Ren, Junxiao, Tian, Weihua, Jiang, Keren, Wang, Zhang, Wang, Dandan, Li, Zhuanjian, Yan, Fengbin, Wang, Yanbin, Tian, Yadong, Ou, Kepeng, Wang, Hongjun, Kang, Xiangtao, Li, Hong, and Liu, Xiaojun

Subjects
TheoryofComputation_MATHEMATICALLOGICANDFORMALLANGUAGES
Abstract

Additional file 4: Table S4. Descriptive summary of data generated by ChIP-seq.

Published
2021
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42. Deep understanding of LiCoO2electrode degradation for optimized recycling strategies

Author

Zhang, Difei, Sun, Tianxiao, Jiang, Keren, Zhou, Jigang, Wang, Jian, and Jiang, Huaidong

Abstract

Empowered by a synergistic combination approach of Scanning Transmission X-ray Microscopy (STXM) imaging and X-ray Absorption Near Edge Structure (XANES) spectroscopy, a quantitative analysis on the composition and spatial distribution of the cathode in a failed 18650 LiCoO2(LCO) battery was conducted. Distinct compositional differences between the central and peripheral cathode regions in the failed LCO battery were discerned by utilizing bulk XANES in Total Electron Yield (TEY) and Fluorescence Yield (FY) modes. The central region shows more severe degradation in terms of LCO reduction and excess cathode-electrolyte interface (CEI) buildup. Meanwhile, the STXM technique precisely imaged a specific region of interest in the center of the cathode, covering C, O, and F K-edges, and Co L2,3-edge, to deeply investigate the degradation. Quantitative chemical mapping with spatially resolved XANES spectroscopy, facilitate an in-depth understating of the interfacial reactions on battery electrodes and battery failure fundamentals.

Published
2024
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