Results 81 to 90 of about 8,355,702 (236)

Multi-emitting fluorescence sensor of MnO2–OPD–QD for the multiplex and visual detection of ascorbic acid and alkaline phosphatase

Journal of Materials Chemistry C, 2020
A blue-, yellow-, and red-emitting fluorescence sensor of MnO2–OPD–QD for the multiplex and visual detection of ascorbic acid and alkaline phosphatase.
Qian Yang, Chuyao Li, Jinhua Li, M. Arabi, Xiaoyan Wang, Hailong Peng, H. Xiong, J. Choo, Lingxin Chen   +8 more
semanticscholar   +1 more source

A rapid and visual dual LAMP-LFD assay for on-site simultaneous detection of influenza A virus (H1N1) and respiratory syncytial virus (RSV)

Frontiers in Microbiology
Respiratory tract infections caused by influenza A virus (IAV) and respiratory syncytial virus (RSV) are a major global health burden. To overcome the limitations of existing diagnostic techniques for timely detection (point-of-care testing), this study ...
Alang Zhang, Xingyu Lan, Hengxuan Zhou, Ting Zhou, Zhihua Xu, Xinyu Cheng, Chenxi Guo, Mingjie Wei, Jiahui Wu, Feng Shi   +9 more
doaj   +1 more source

RPA-CRISPR/Cas12a-based detection of Pasteurella multocida: establishment and initial application

Frontiers in Veterinary Science
IntroductionPasteurella multocida (Pm) is a major pathogen that causes respiratory diseases in sheep, leading to high morbidity, high mortality, and significant economic losses. Current diagnostic methods, such as bacterial isolation, ELISA, and PCR, are
Chaoqun Yan, Chaoqun Yan, Xiaozhen Li, Rulong Chen, Quanxin Wu, Quanxin Wu, Youquan Zhuang, Youquan Zhuang, Na Li, Xuelian Ma, Yuefeng Chu, Yuefeng Chu, Huijun Shi, Huijun Shi, Qiang Fu, Qiang Fu, Li Yang, Li Yang, Li Yang   +18 more
doaj   +1 more source

Migrating eastern North Pacific gray whale call and blow rates estimated from acoustic recordings, infrared camera video, and visual sightings. [PDF]

, 2019
During the eastern North Pacific gray whale 2014-2015 southbound migration, acoustic call recordings, infrared blow detections, and visual sightings were combined to estimate cue rates, needed to convert detections into abundance. The gray whale acoustic
D'Spain, Gerald L, Durban, John W, Europe, Hollis M, Guazzo, Regina A, Hildebrand, John A, Weller, David W   +5 more
core   +1 more source

Visual detection of Coxsackievirus A6 using a reverse transcription polymerase spiral reaction method

Frontiers in Cellular and Infection Microbiology
Coxsackievirus A6 (CVA6) ranks as a primary enterovirus associated with hand-foot-mouth disease (HFMD) and herpangina (HA). Given its significant role in these diseases, there is an urgent need for an efficient identification method.
Kun Wang, Yuanhang Ai, Juan Luo, Longying Liang, Weiwei Zhang, Guojun Cao, He Zha, Jie Wu, Kun Lei, Shifei Yao, Kaifeng Wu   +10 more
doaj   +1 more source

Design of an intermittent dust removal system for visual detection of longitudinal tearing of coal mine conveyor belts

Gong-kuang zidonghua
In the application of visual detection of longitudinal tearing of coal mine conveyor belts, the visual system is prone to problems such as dust blockage and contamination, which affect the clarity and accuracy of image acquisition.
ZHANG Hongjing
doaj   +1 more source

Grounding semantics in robots for Visual Question Answering [PDF]

, 2019
In this thesis I describe an operational implementation of an object detection and description system that incorporates in an end-to-end Visual Question Answering system and evaluated it on two visual question answering datasets for compositional ...
Wahle, Björn
core   +1 more source

Adapting Visual-Language Models for Generalizable Anomaly Detection in Medical Images [PDF]

Computer Vision and Pattern Recognition
Recent advancements in large-scale visual-language pre-trained models have led to significant progress in zero/few-shot anomaly detection within natural image domains.
Chaoqin Huang, Aofan Jiang, Jinghao Feng, Ya Zhang, Xinchao Wang, Yanfeng Wang   +5 more
semanticscholar   +1 more source

Design and experiment of miss-seeding detection and preparatory seed scraper-belt compensation mechanism based on improved YOLOv5s for potato seed-metering devices

Frontiers in Plant Science
This study addresses the issue of miss seeding in spoon-chain potato seed-metering devices, which impacts planting efficiency and quality, by proposing a miss-seeding detection and compensation system based on an improved YOLOv5s model integrated with a ...
Hongling Li, Hua Zhang, Xiaolong Liu, Hui Li, Shangyun Jia, Wei Sun, Guanping Wang, Quan Feng, Sen Yang   +8 more
doaj   +1 more source

Aging and visual pattern detection

Journal of Vision
A single psychophysical experiment evaluated observers' ability to detect visual patterns embedded in noise; effects of stimulus complexity and observer age were also evaluated. Eighteen younger and older observers participated in the experiment (mean ages were 20.3 and 72.6 years, respectively).
Norman, J. Farley, Graham, Jiali D., Eaton, Jerica R.   +2 more
openaire   +2 more sources