Results 11 to 20 of about 960,674 (151)

基于SPR效应的液晶填充PCF电压传感

open access: yesGuangtongxin yanjiu, 2018
利用光子晶体光纤(PCF)的选择性填充特性,设计了一种具有较高灵敏度的液晶填充PCF电压传感结构。PCF中一个空气孔镀纳米金薄膜作为表面等离子体共振通道,并填充E7液晶作为电压灵敏介质,实现对较低电压的检测。利用全矢量有限元法对传感特性进行仿真研究。结果表明,在环境温度20℃下,在050V低电压范围内,该结构电压传感灵敏度最高可达1.94nm/V,且具有很好的线性度。
郭晓晨, 施伟华
doaj   +2 more sources

Laser‐Induced Graphene/AuNPs‐Gated OECT Biosensor for Sensitive Detection of PD‐L1‐Positive Exosomes Associated With Non‐Small Cell Lung Cancer

open access: yesRare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT Lung cancer remains a major cause of cancer‐related mortality worldwide, and non‐small cell lung cancer (NSCLC) accounts for the largest proportion of diagnosed lung cancer cases. Exosomal programmed death‐ligand 1 (PD‐L1) has attracted increasing attention as a potential liquid‐biopsy biomarker associated with tumor immune regulation; however,
Chen Su   +6 more
wiley   +1 more source

Upcycling Spent Cu‐Containing Catalysts to CuO Humidity Sensors for Physiological Detection: Calcination Temperature Optimization

open access: yesRare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT To achieve high‐value utilization of spent catalysts, we recovered copper (Cu) from Cu‐bearing spent catalysts via acid‐base leaching to fabricate CuO and systematically studied how calcination temperature affects their microstructure and humidity‐sensing performance. Characterizations show that CuO‐500 (calcined at 500°C) has a large specific
Cong Liang   +9 more
wiley   +1 more source

Scaling from microsite to landscape to resolve litter decomposition dynamics in globally extensive drylands

open access: yesFunctional Ecology, Volume 40, Issue 9, Page 2726-2736, September 2026.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Decomposition is the transformation of dead organic matter into its inorganic constituents. In most biomes, decomposition rates can be accurately predicted with simple mathematical models, but these models have long under‐predicted decomposition in globally extensive ...
Heather L. Throop   +8 more
wiley   +1 more source

Acoustically Assisted Heterojunction Hydrogel Promotes Angiogenesis and Tissue Regeneration by Modulating the Inflammatory Microenvironment

open access: yesRare Metals, Volume 45, Issue 8, August 2026.
ABSTRACT The healing of diabetic chronic wounds is hindered by multiple pathological barriers, including oxidative stress imbalance induced by hyperglycemia, persistent bacterial infection, and impaired neovascular function. This study developed an F127–HA–BiOCl@CeO2 (FHBC) hydrogel dressing with acoustic responsiveness, achieving tissue repair through
Ran Zhao   +8 more
wiley   +1 more source

Unpacking Welfare Deservingness Theory: Evidence From the Perceived Deservingness of Gig Workers

open access: yesPolicy Studies Journal, Volume 54, Issue 2, May 2026.
ABSTRACT The theory of welfare deservingness provides valuable insights into the social legitimacy of welfare programs and the principles underlying policy design. In examining the question of who deserves what and why, established deservingness criteria emphasize that individuals demonstrating motivation to work (“reciprocity”) are typically perceived
Juhyun Bae
wiley   +1 more source

Political Trust and Aspirations to Influence Social Media During a Crisis: A Longitudinal Study

open access: yesPolicy &Internet, Volume 18, Issue 1, March 2026.
ABSTRACT This study investigated how political trust shaped citizens' aspirations to influence others on social media during a COVID‐19 pandemic. Using four‐wave longitudinal survey data (2017–2021; N = 2172) collected from 543 citizens in Finland, we first analysed how political trust moderated the temporal development of individuals' aspirations to ...
Aki Koivula   +2 more
wiley   +1 more source

Boosting Piezoelectric Voltage Constant in 3D‐Interconnected PZNNT Porous Piezoceramics via Pore Architecture Engineering

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT In conventional piezoceramics, the coordinated change between the dielectric constant (εr) and the piezoelectric charge constant (d33) usually limits the piezoelectric voltage constant g33 (g33 = d33/εr), a critical figure of merit for piezoelectric sensors.
Xiaoying Feng   +7 more
wiley   +1 more source

Excellent Comprehensive Electromechanical Properties in PZT‐Based Hard High‐Temperature Piezoceramics

open access: yesRare Metals, Volume 45, Issue 3, March 2026.
ABSTRACT High‐power piezoelectric ceramics which have a wide operating temperature range are essential for sensor and actuator applications in extreme conditions. However, their development is fundamentally hindered by the inherent trade‐off among key parameters (TC, d33, Qm).
Rui Yan   +10 more
wiley   +1 more source

Oxygen Vacancies Modulation of Ammonium Tungsten Bronze by NH4+‐Assisted Heat Treatment for Highly Sensitive Detection of NO2

open access: yesRare Metals, Volume 45, Issue 1, January 2026.
ABSTRACT Introducing oxygen vacancies has emerged as an essential strategy to affect the sensing properties of nanomaterials. However, existing methods for manipulating oxygen require high cost, complex operation, and harsh conditions. Herein, a simple NH4+‐assisted heat treatment approach was designed to regulate the concentration of oxygen vacancies ...
Qiu‐Yue Zheng   +10 more
wiley   +1 more source

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