Results 11 to 20 of about 15,243 (254)

Development of Ultra-Light 2-Axes Sun Sensor for Small Satellite [PDF]

Journal of Astronomy and Space Sciences, 2005
This paper addresses development of the ultra-light analog sun sensors for small satellite applications. The sun sensor is suitable for attitude determination for small satellite because of its small, light, low-cost, and low power consumption ...
Su-jeoung Kim, Sun-ok Kim, Byoung-Young Moon, Young-Keun Chang, Hwa-Suk Oh   +4 more
doaj   +2 more sources

Smartphone-powered iontophoresis-microneedle array patch for controlled transdermal delivery

Microsystems & Nanoengineering, 2020
Smartphone-powered drug delivery device A device developed by researchers in China uses a microneedle array to efficiently and painlessly deliver precise doses of insulin and can be used by patients without help from medical staff.
Jingbo Yang, Yanjun Li, Rui Ye, Ying Zheng, Xiangling Li, Yuzhen Chen, Xi Xie, Lelun Jiang   +7 more
doaj   +1 more source

Magneto‐Responsive Shutter for On‐Demand Droplet Manipulation

Advanced Science, 2021
Magnetically responsive structured surfaces enabling multifunctional droplet manipulation are of significant interest in both scientific and engineering research.
Jian Wang, Zhengxu Zhu, Pengfei Liu, Shengzhu Yi, Lelun Peng, Zhilun Yang, Xuelin Tian, Lelun Jiang   +7 more
doaj   +1 more source

Rapid and Sensitive Diagnosis of COVID-19 Using an Electricity-Free Self-Testing System

Biosensors, 2023
Rapid and sensitive detection of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is essential for early diagnosis and effective treatment.
Sheng Li, Wenlong Guo, Minmin Xiao, Yulin Chen, Xinyi Luo, Wenfei Xu, Jianhua Zhou, Jiasi Wang   +7 more
doaj   +1 more source

Fabrication of a Micro-Needle Array Electrode by Thermal Drawing for Bio-Signals Monitoring

Sensors, 2016
A novel micro-needle array electrode (MAE) fabricated by thermal drawing and coated with Ti/Au film was proposed for bio-signals monitoring. A simple and effective setup was employed to form glassy-state poly (lactic-co-glycolic acid) (PLGA) into a micro-
Lei Ren, Qing Jiang, Keyun Chen, Zhipeng Chen, Chengfeng Pan, Lelun Jiang   +5 more
doaj   +1 more source

Fabrication of Flexible Microneedle Array Electrodes for Wearable Bio-Signal Recording

Sensors, 2018
Laser-direct writing (LDW) and magneto-rheological drawing lithography (MRDL) have been proposed for the fabrication of a flexible microneedle array electrode (MAE) for wearable bio-signal monitoring.
Lei Ren, Shujia Xu, Jie Gao, Zi Lin, Zhipeng Chen, Bin Liu, Liang Liang, Lelun Jiang   +7 more
doaj   +1 more source

Fabrication of Magnetic Nanofibers by Needleless Electrospinning from a Self-Assembling Polymer Ferrofluid Cone Array

Nanomaterials, 2017
Magnetic nanofiber has been widely applied in biomedical fields due to its distinctive size, morphology, and properties. We proposed a novel needleless electrospinning method to prepare magnetic nanofibers from the self-assembling “Taylor cones” of poly ...
Weilong Huang, Bin Liu, Zhipeng Chen, Hongjian Wang, Lei Ren, Jiaming Jiao, Lin Zhuang, Jie Luo, Lelun Jiang   +8 more
doaj   +1 more source

3D printed alginate/gelatin-based porous hydrogel scaffolds to improve diabetic wound healing

Giant, 2023
Diabetic wounds are difficult to heal due to hampered vascularization and tissue regeneration. Wound dressings need frequent replacement and show limited effects on guiding tissue repair.
Zhaoyi Lin, Weike Xie, Zhenhua Cui, Jiana Huang, Hao Cao, Yan Li   +5 more
doaj   +1 more source

Energy-efficient sensing in wireless sensor networks using compressed sensing [PDF]

, 2014
Sensing of the application environment is the main purpose of a wireless sensor network. Most existing energy management strategies and compression techniques assume that the sensing operation consumes significantly less energy than radio transmission ...
Razzaque, Mohammad Abdur, Razzaque, Mohammad A.; id_orcid, Dobson, Simon Andrew, Mohammad Razzaque, Simon Dobson, Dobson, Simon   +5 more
core   +1 more source

Deep Neural Network-Based 4-Quadrant Analog Sun Sensor Calibration [PDF]

, 2023
Many error sources influence the calibration experiment of 4-quadrant sun sensors, making the calibration of sun sensors cumbersome and its accuracy difficult to improve.
Yu, Xiaozhou, Sun, Qinbo, Redondo Gutierrez, Jose Luis   +2 more
core   +1 more source