How many online workers are there in the world? A data-driven assessment by Kässi, O, Lehdonvirta, V, Stephany, F

“…Approximately 19 million of them have obtained work through the platform at least once, and 5 million have completed at least 10 projects or earned at least $1000. …”

Enhancement of morlet mother wavelet in time–frequency domain in electroencephalogram (EEG) signals for driver fatigue classification by Rafiuddin, Abdubrani, Mahfuzah, Mustafa, Zarith Liyana, Zahari

“…In continuous wavelet transform analysis, the Morlet wavelet is a fast wavelet transform in time–frequency analysis. …”
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A Soft Robotic Actuator System for In Vivo Modeling of Normal Pressure Hydrocephalus by Flürenbrock, Fabian, Rosalia, Luca, Podgoršak, Anthony, Sapozhnikov, Katherina, Trimmel, Nina Eva, Weisskopf, Miriam, Oertel, Markus Florian, Roche, Ellen, Zeilinger, Melanie N., Korn, Leonie, Daners, Marianne Schmid

“…A hydraulic actuation device based on a linear voice coil motor was developed to enable automated and fast operation of the end actuators. The combined system was validated in an acute ovine pilot in vivo study. …”
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Understanding the User Perception Gap: Older Adults and Sit-to-Stand Assistance by Stansfield, Stephan, Schelhaas, Booker, Hogan, Neville, Yang, Maria

“…<jats:title>Abstract</jats:title> <jats:p>There is an urgent need to provide ways to help a fast-growing older adult population to maintain daily mobility. …”
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Low-Cost Electronic Microfluidics for Multiplexed Point-of-Care Biomarker Detection by Kikkeri, Kruthika

“…Yet, given the importance of quantitative biomarker detection for nuanced analysis of patient health for chronic and fast acting diseases, there remains a persistent need for PoC systems capable of cost-effective detection of low abundance markers in blood. …”
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Distributed optimal tie-line power flow control for multiple interconnected AC microgrids by Liu, Yun, Li, Yuanzheng, Xin, Huanhai, Gooi, Hoay Beng, Pan, Jianfei

“…Due to the intrinsic advantages of scalability, robustness, and fast response in comparison to the centralized scheme, a multi-agent based distributed optimal tie-line power flow control strategy is proposed to achieve this objective, which is facilitated by a regional communication network overlapping each MG and distributed sensors monitoring the tie-line power flows. …”
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Study of inertial hydrodynamic focusing in sheath-driven flows for lab-on-a-chip flow cytometry by Panwar, Nishtha, Song, Peiyi, Yong, Ken-Tye, Tjin, Swee Chuan

“…Miniature flow cytometer models enable fast and cost-effective management of diseases in vulnerable and low-end settings. …”
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Visual hull based 3D reconstruction of shocks in under-expanded supersonic bevelled jets by Lim, Desmond Haoxiang, New, Tze How, Mariani, Raffaello, Cui, Y. D.

“…Current results indicate that the technique is robust and fast during image calibration and processing, with accuracy of reconstructed shock waves in both conventional and non-conventional nozzles strongly dependent on shock wave contrast. …”
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A new therapeutic avenue for bronchiectasis : dry powder inhaler of ciprofloxacin nanoplex exhibits superior ex vivo mucus permeability and antibacterial efficacy to its native cip... by Tran, The-Thien, Vidaillac, Celine, Yu, Hong, Yong, Valerie Fei Lee, Roizman, Dan, Chandrasekaran, Ravishankar, Lim, Albert Yick Hou, Low, Teck Boon, Tan, Gan Liang, Abisheganaden, John A., Koh, Mariko Siyue, Teo, Jeanette, Chotirmall, Sanjay Haresh, Hadinoto, Kunn

“…Despite their similarly fast dissolution rates in sputum, the DPI of CIP nanoplex exhibited superior mucus permeability to the native CIP (5-7 times higher) attributed to its built-in ability to generate highly supersaturated CIP concentration in the sputum. …”
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Ultrafast modulation of exciton – plasmon coupling in a monolayer WS2 – Ag nanodisk hybrid system by Du, Wei, Zhao, Jiaxin, Zhao, Weijie, Zhang, Shunping, Xu, Hongxing, Xiong, Qihua

“…Specifically, the instant switch-off of the Fano resonance was observed upon the femtosecond pump excitation, characterized by the photoinduced absorption signal at the Fano resonance frequency. The fast recovery of the Fano resonance starts at the sub-100 fs time scale as a result of the energy transfer from excitons of WS2 to plasmons in Ag nanodisks. …”
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A constrained instantaneous learning approach for aerial package delivery robots : onboard implementation and experimental results by Mehndiratta, Mohit, Kayacan, Erdal

“…Thanks to learning capability of the presented framework, the aerial robot can learn from its own experience, and react promptly—unlike iterative learning control which allows the system to improve tracking accuracy from repetition to repetition—to reduce the tracking error. Additionally, the fast C++ execution of NMPC and NMHE codes facilitates a complete onboard implementation of the proposed framework on a low-cost embedded processor.…”
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Geographically-aware mobile application for managing events and interest group communications by Lee, Chong Yan

“…For example, supposed one meets a roadblock during his road trip and there is no information in the Internet, one would prefer to have a fast and prompt reply to the resolution, whether to revert path or move forward, which a forum would not be able to do so. …”
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Ultrasensitive metadevices for biosensing by Xiao, Shuqi

“…Cheap biosensors for fast, real-time probes of biological analytes, are highly required in many new healthcare programmes. …”
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Electron spin resonance evidence for electro-generated hydroxyl radicals by Pei, Shuzhao, You, Shijie, Ma, Jun, Chen, Xiaodong, Ren, Nanqi

“…Excessive addition of a DMPO agent and fast spin trapping allowed suitable kinetic conditions to be set for effective spin trapping of electro-generated •OH and subsequent ESR identification. …”
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Advanced multi-material optoelectronic fibers : a review by Zhang, Jing, Wang, Zhe, Wang, Zhixun, Wei, Lei

“…With the fast development of optoelectronic technologies, the demands of flexible, thin and nonplanar optoelectronic devices are rising. …”
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React based web-application for stock price forecasting with a novel stacking algorithm by Mittal, Madhav

“…This has allowed for the implementation of extremely complicated machine learning systems that solve large-scale complex problems at extremely fast speeds. A plethora of machine learning based stock forecasting models have since been introduced. …”
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Construction and utilisation of the adhesion test platform for the development of novel adaptive interfacial adhesives by Tan, Yee Yuan

“…Even though there are many breakthroughs and innovations in this field, many challenges such as requiring a releasable adhesion interface for 3D printing, possessing selective and controllable attachment and detachment for transfer printing, and having a strong, reversible, and fast adhesion response for soft robotics still exist. …”
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Multi-metal oxide catalyst for electrochemical water oxidation by Phang, Yi Fei

“…Tafel plot analysis and electrochemical impedance spectroscopic analysis demonstrate the fast surface kinetic of Mo-doped NiCo2O4 and rapid charge transfer across the electrode/electrolyte interface, respectively. …”
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High-strength light-weight aramid fibre/polyamide 12 composites printed by Multi Jet Fusion by Chen, Jiayao, Tan, Pengfei, Liu, Xiaojiang, Tey, Wei Shian, Ong, Adrian, Zhao, Lihua, Zhou, Kun

“…Multi Jet Fusion (MJF) is a fast-growing powder bed fusion(PBF) additive manufacturing technique which features low production costs and high production speeds. …”
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A detailed full-order discrete-time modeling and stability prediction of the single-phase dual active bridge DC-DC converter by Iqbal, Mohammad Tauquir, Maswood, Ali Iftekhar, Tariq, Mohd, Iqbal, Atif, Verma, Vimlesh, Urooj, Shabana

“…The time-scale segregates the dynamics of the PSBDAB converter into fast and slow state variables, which can be modeled separately and eases the analysis of the PSBDAB converter. …”
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