Results 51 to 60 of about 4,603,420 (293)

Defining human contrast sensitivity and discrimination from complex imagery

, 2013
Shape, form and detail define image structure in our visual world. These attributes are dictated primarily by local variations in luminance contrast.
Gupta, G., Rana, H., S. Triantaphillidou, Triantaphillidou, S., H. Rana, J. Jarvis, G. Gupta, Jarvis, J.   +7 more
core   +1 more source

Organoids in pediatric cancer research

FEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Ultrasound Versus Contrast-Enhanced Magnetic Resonance Imaging for Subclinical Synovitis and Tenosynovitis: A Diagnostic Performance Study [PDF]

Clinics, 2020
OBJECTIVES: Radiographic manifestations of synovitis (e.g., erosions) can be observed only in the late stage of rheumatoid arthritis. Ultrasound is a noninvasive, cheap, and widely available technique that enables the evaluation of inflammatory changes ...
Zhongtao Bao, Yanchun Zhao, Shuqiang Chen, Xiaoyu Chen, Xiang Xu, Linglin Wei, Meilian Xiong   +6 more
doaj   +1 more source

Comparison of Central and Peripheral Contrast Sensitivity Between Healthy and Refractive Surgery Patients Using the Spaeth/Richman Contrast Sensitivity (SPARCS) Test

Journal of Refractive Surgery, 2022
PURPOSE: To assess contrast sensitivity of central and peripheral vision with a newly developed, internet-based Spaeth/Richman Contrast Sensitivity (SPARCS) test in patients who underwent myopic photorefractive keratectomy (PRK) or femtosecond laser–assisted laser in situ keratomileusis (FSLASIK) refractive surgery in ...
Tsiogka, Anastasia, Karmiris, Efthymios, Samoli, Evangelia, Spaeth, George L.   +3 more
openaire   +3 more sources

An epithelial GPR35 isoform supports tumor‐associated transcriptional and metabolic phenotypes

FEBS Letters, EarlyView.
GPR35 generates two functionally distinct isoforms with previously unresolved roles. GPR35‐short mediates immune‐cell chemotaxis, while GPR35‐long is enriched in colorectal cancer epithelium, where it supports increased metabolism, proliferation, and tumor‐associated transcriptional programs.
Jørgen D. Rønneberg, Martine Hjeltnes, Josephine Krieger, Joshua E. Elias, Maria Stensland, Kristian Holm, Xiaojun Jiang, Chuki Khangsar, Tuula A. Nyman, Arthur Kaser, Johannes R. Hov, Tom H. Karlsen, Nicole C. Kaneider, Frode L. Jahnsen, Georg Schneditz   +14 more
wiley   +1 more source

Peripheral refraction and contrast sensitivity detection in pseudophakic patients implanted with a new meniscus intraocular lens [PDF]

, 2022
© 2022 Villegas, Marín, Ginis, et al; licensee SLACK Incorporated. This manuscript version is made available under the CC-BY-NC 4.0 license http://creativecommons.org/licenses/by-nc/4.0/ This document is the Published Manuscript version of a Published ...
Taña Rivero, Pedro, Robles, Consuelo, Hervella, Lucía, Prieto, Pedro M., Ginis, Harilaos, Artal, Pablo, Villegas, Eloy A., Alcón, Encarna, Marín Sánchez, José María   +8 more
core   +1 more source

Unenhanced multidetector computed tomography findings in acute central pulmonary embolism

BMC Medical Imaging, 2019
Background Computed tomography pulmonary angiography (CTPA) is the gold standard for the diagnosis of pulmonary embolism (PE). However, contrast is contraindicated in some patients.
Chiao-Hsuan Chien, Fu-Chieh Shih, Chin-Yu Chen, Chia-Hui Chen, Wan-Ling Wu, Chee-Wai Mak   +5 more
doaj   +1 more source

Engineering peptides into antibodies—opportunities and strategies for therapeutic innovation

FEBS Letters, EarlyView.
Peptides and antibodies occupy complementary therapeutic niches. Peptides recognize difficult targets in a compact format, while antibodies add specificity, long half‐life, and effector functions. This review examines strategies that merge both modalities—peptide grafting into loops, terminal and Fc fusions, and bioconjugation—highlighting how ...
Jinling Wang, Ruslana Romaniuk, Hristo L. Svilenov   +2 more
wiley   +1 more source

Added value of hyperdense lumen sign in prediction of acute central and peripheral pulmonary embolism on non-contrast CT chest

The Egyptian Journal of Radiology and Nuclear Medicine, 2021
Background Pulmonary embolism (PE) is a common condition with considerable morbidity and mortality; it is more often diagnosed post-mortem by pathologists than in vivo by clinicians. Prompt and accurate diagnosis is difficult because PE may be clinically
Hend Galal Eldeen Mohamed Ali Hassan, Nivan Hany Khater, Remon Zaher Elia   +2 more
doaj   +1 more source

DWI Combined With Hepatobiliary-Phase Enhanced Imaging Can Better Differentiate Cholangiocarcinoma From Atypical Liver Abscesses

Frontiers in Oncology, 2022
ObjectiveTo investigate the value of diffusion-weighted imaging (DWI) combined with the hepatobiliary phase (HBP) Gd-BOPTA enhancement in differentiating intrahepatic mass-forming cholangiocarcinoma (IMCC) from atypical liver abscess.Materials and ...
Li-Hong Xing, Li-Hong Xing, Li-Yong Zhuo, Yu Zhang, Xi Ma, Ze-Peng Ma, Ying-Jia Zhao, Xiao-Ping Yin, Bu-Lang Gao   +8 more
doaj   +1 more source