Micro-vibration assisted dual-layer spiral microneedles to rapidly extract dermal interstitial fluid for minimally invasive detection of glucose [0.03%]
一种用于微创检测葡萄糖的微振动辅助双层螺旋型微针快速提取真皮间质液的方法
Khaled Mohammed Saifullah,Asim Mushtaq,Pouria Azarikhah et al.
Khaled Mohammed Saifullah et al.
Various hydrogels have been explored to create minimally invasive microneedles (MNs) to extract interstitial fluid (ISF). However, current methods are time-consuming and typically require 10-15 min to extract 3-5 mg of ISF. This study intro...
An ultrasensitive angular interrogation metasurface sensor based on the TE mode surface lattice resonance [0.03%]
一种基于TE模式表面晶格共振的超灵敏角度探测元表面传感器
Liye Li,Wengang Wu
Liye Li
The localized surface plasmon resonance metasurface is a research hotspot in the sensing field since it can enhance the light-matter interaction in the nanoscale, but the wavelength sensitivity is far from comparable with that of prism-coup...
Power-free plasma separation based on negative magnetophoresis for rapid biochemical analysis [0.03%]
基于负磁光子学的无功等离子体分离技术在生化分析中的快速应用
Lin Zeng,Chao Liu,Yi Yang et al.
Lin Zeng et al.
We present a versatile platform for label-free magnetic separation of plasma, tailored to accommodate diverse environments. This innovative device utilizes an advanced long-short alternating double Halbach magnetic array, specifically engin...
Nonlinear coupling of closely spaced modes in atomically thin MoS2 nanoelectromechanical resonators [0.03%]
原子薄MoS2纳米机电谐振器中接近频率模式的非线性耦合
S M Enamul Hoque Yousuf,Steven W Shaw,Philip X-L Feng
S M Enamul Hoque Yousuf
Nanoelectromechanical systems (NEMS) incorporating atomic or molecular layer van der Waals materials can support multimode resonances and exotic nonlinear dynamics. Here we investigate nonlinear coupling of closely spaced modes in a bilayer...
High sound pressure piezoelectric micromachined ultrasonic transducers using sputtered potassium sodium niobate [0.03%]
用于高声压的铅基替代理质沉积PMUTs研究进展
Fan Xia,Yande Peng,Wei Yue et al.
Fan Xia et al.
This work presents air-coupled piezoelectric micromachined ultrasonic transducers (pMUTs) with high sound pressure level (SPL) under low-driving voltages by utilizing sputtered potassium sodium niobate K0.34Na0.66NbO3 (KNN) films. A prototy...
Coupling the thermal acoustic modes of a bubble to an optomechanical sensor [0.03%]
声学模式耦合到光机械传感器的热气泡
K G Scheuer,F B Romero,R G DeCorby
K G Scheuer
Optomechanical sensors provide a platform for probing acoustic/vibrational properties at the micro-scale. Here, we used cavity optomechanical sensors to interrogate the acoustic environment of adjacent air bubbles in water. We report experi...
Dynamic 3D metasurface holography via cascaded polymer dispersed liquid crystal [0.03%]
基于级联聚合物分散液晶的三维体全息技术
Shuo Sun,Jin Li,Xiaoxun Li et al.
Shuo Sun et al.
Metasurface with natural static structure limits the development of dynamic metasurface holographic display with rapid response and broadband. Currently, liquid crystal (LC) was integrated onto the metasurface to convert the passive metasuf...
Precision autofocus in optical microscopy with liquid lenses controlled by deep reinforcement learning [0.03%]
基于深度强化学习的液体透镜控制的光学显微镜高精度自动聚焦技术
Jing Zhang,Yong-Feng Fu,Hao Shen et al.
Jing Zhang et al.
Microscopic imaging is a critical tool in scientific research, biomedical studies, and engineering applications, with an urgent need for system miniaturization and rapid, precision autofocus techniques. However, traditional microscopes and ...
Mengting Wang,Jianqiu Huang,Qing-An Huang
Mengting Wang
Piezoelectric resonance sensors are essential to many diverse applications associated with chemical and biological sensing. In general, they rely on continuously detecting the resonant frequency shift of piezoelectric resonators due to anal...
A 14 μHz/√Hz resolution and 32 μHz bias instability MEMS quartz resonant accelerometer with a low-noise oscillating readout circuit [0.03%]
一种采用低噪声振荡式读出电路的MEMS石英谐振加速度计：14μHz/√Hz分辨率与32μHz偏置不稳定性
Kai Bu,Cun Li,Hong Xue et al.
Kai Bu et al.
A differential microelectromechanical system (MEMS) quartz resonant accelerometer with a novel oscillating readout circuit is proposed. The phase noise in a piezoelectric quartz resonant accelerometer has been systematically investigated. A...