Results 61 to 70 of about 49,365 (285)

Development of a Smartphone-Based Fluorescent Immunochromatographic Assay Strip Reader

open access: yesSensors, 2020
Fluorescence immunochromatographic assay (FICA) is a rapid immunoassay technique that has the characteristics of high precision and sensitivity. Although image FICA strip readers have the advantages of high portability and easy operation, the use of high-
Qi Zheng   +4 more
doaj   +1 more source

Vulnerability of CMOS image sensors in megajoule class laser harsh environment [PDF]

open access: yes, 2012
CMOS image sensors (CIS) are promising candidates as part of optical imagers for the plasma diagnostics devoted to the study of fusion by inertial confinement.
Baggio, Jacques   +14 more
core   +3 more sources

Broadband, Flexible, Skin‐Compatible Carbon Dots/Graphene Photodetectors for Wearable Applications

open access: yesAdvanced Functional Materials, EarlyView.
Broadband, flexible photodetectors integrating nitrogen‐rich carbon dots with single‐layer graphene on plastic substrates are demonstrated. A biocompatible chitosan–glycerol electrolyte enables efficient low‐voltage gating and on‐skin operation. The devices exhibit ultraviolet‐to‐near‐infrared response, mechanical robustness under bending, and verified
Nouha Loudhaief   +20 more
wiley   +1 more source

Novel Production Concept of CH2F-Molecular-Ion Implanted Si Epitaxial Wafer for Highly Sensitive 3-D-Stacked CMOS Image Sensors

open access: yesIEEE Journal of the Electron Devices Society
We have developed a novel molecular-ion implantation technique and a molecular-ion-implanted silicon epitaxial wafer for highly sensitive CMOS image sensors.
Ryo Hirose   +4 more
doaj   +1 more source

Machine Learning Based Single-Frame Super-Resolution Processing for Lensless Blood Cell Counting

open access: yesSensors, 2016
A lensless blood cell counting system integrating microfluidic channel and a complementary metal oxide semiconductor (CMOS) image sensor is a promising technique to miniaturize the conventional optical lens based imaging system for point-of-care testing (
Xiwei Huang   +8 more
doaj   +1 more source

Radiation damages in CMOS image sensors: testing and hardening challenges brought by deep sub-micrometer CIS processes [PDF]

open access: yes, 2010
This paper presents a summary of the main results we observed after several years of study on irradiated custom imagers manufactured using 0,18 µm CMOS processes dedicated to imaging.
Cervantes, Paola   +6 more
core   +1 more source

Experimental study of visual corona under aeronautic pressure conditions using low-cost imaging sensors [PDF]

open access: yes, 2020
Visual corona tests have been broadly applied for identifying the critical corona points of diverse high-voltage devices, although other approaches based on partial discharge or radio interference voltage measurements are also widely applied to detect ...
Gómez Pau, Álvaro   +2 more
core   +2 more sources

Infrared Nanocrystals for Space Application: Hardness to Irradiations

open access: yesAdvanced Functional Materials, EarlyView.
This article investigates infrared HgTe nanocrystals under X‐ray and ion irradiation, revealing remarkable radiation hardness. It uncovers distinct degradation mechanisms and shows that the nanomaterial outperforms integrated electronics. The results position colloidal nanocrystals as promising candidates for resilient space and harsh‐environment ...
Alexandre Neyret   +22 more
wiley   +1 more source

Timing generator for 120fps CMOS image sensors on 0.13 μm CMOS technology [PDF]

open access: yes, 2017
Image clarity is an important criterion in digital imaging. However, typical rolling shutter type complementary metal-oxide semiconductor (CMOS) image sensors with frame rate of 30fps which is used for relatively slow speed image capture suffers from ...
Abdul Halin, Izhal   +3 more
core   +1 more source

Asymmetric Contact Engineering for Bottleneck‐Free Transport in 2D MoS2 Field‐Effect Transistor

open access: yesAdvanced Functional Materials, EarlyView.
Performance of 2D semiconductor transistors is limited by carrier transport bottlenecks arising from specific device geometries. By identifying this structural limitation, a bottleneck‐free asymmetric transistor architecture (BATA) is introduced to improve carrier transport.
Jinhyeok Pyo   +10 more
wiley   +1 more source

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