Results 41 to 50 of about 2,398,878 (243)

Preoperative prediction of Lauren classification in gastric cancer: a radiomics model based on dual-energy CT iodine map

Insights into Imaging, 2023
Objective To investigate the value of a radiomics model based on dual-energy computed tomography (DECT) venous-phase iodine map (IM) and 120 kVp equivalent mixed images (MIX) in predicting the Lauren classification of gastric cancer.
Min Li, Hongtao Qin, Xianbo Yu, Junyi Sun, Xiaosheng Xu, Yang You, Chongfei Ma, Li Yang   +7 more
doaj   +1 more source

Diagnosis of Serosal Invasion in Gastric Adenocarcinoma by Dual-Energy CT Radiomics: Focusing on Localized Gastric Wall and Peritumoral Radiomics Features

Frontiers in Oncology, 2022
ObjectivesTo build a radiomics model and combined model based on dual-energy CT (DECT) for diagnosing serosal invasion in gastric adenocarcinoma.Materials and methods231 gastric adenocarcinoma patients were enrolled and randomly divided into a training ...
Li Yang, Junyi Sun, Xianbo Yu, Yang Li, Min Li, Jing Liu, Xiangming Wang, Gaofeng Shi   +7 more
doaj   +1 more source

The Power of Low Frequencies: Faraday Tomography in the sub-GHz regime

, 2018
Faraday tomography, the study of the distribution of extended polarized emission by strength of Faraday rotation, is a powerful tool for studying magnetic fields in the interstellar medium of our Galaxy and nearby galaxies.
Van Eck, Cameron L.
core   +1 more source

The role of artificial intelligence based on PET/CT radiomics in NSCLC: Disease management, opportunities, and challenges

Frontiers in Oncology, 2023
ObjectivesLung cancer has been widely characterized through radiomics and artificial intelligence (AI). This review aims to summarize the published studies of AI based on positron emission tomography/computed tomography (PET/CT) radiomics in non-small ...
Qiuyuan Hu, Ke Li, Conghui Yang, Yue Wang, Rong Huang, Mingqiu Gu, Yuqiang Xiao, Yunchao Huang, Long Chen   +8 more
doaj   +1 more source

Jet tomography

, 2004
I summarize the recent advances in jet tomographic studies of cold and hot nuclear matter based on perturbative QCD calculations of medium-induced gluon bremsstrahlung.
Accardi A, Adil A Gyulassy M Vitev I, Arleo F, Arleo F, Armesto N Salgado C A Wiedemann U A, Baier R, Barnafoldi G G, Barnafoldi G G, Bielcikova J, Bjorken J D, Bodwin G T, Brock R, Collins J C, d'Enterria D, d'Enterria D, de Florian D, Djordjevic M, Djordjevic M Gyulassy M, Drees A Feng H Jia J, Eskola K J, Filimonov K, Gyulassy M, Gyulassy M, Hirano T, Hirano T, Hirano T, Huovinen P, Ivan Vitev, Jager B, Karsch F, Kolb P F Heinz U, Kovner A Wiedemann U A, Levai P, Lovas I, Majumder A Wang X N, Miller M, Nara Y, Polleri A Yuan F, Qiu J W Vitev I, Rak J, Rak J, Salgado C A Wiedemann U A, Shuryak E V, Vitev I, Vitev I, Vitev I, Wang F, Wang X N, Wang X N, Wang X N, Zhang B W Wang E Wang X N, Zhang X F Fai G   +51 more
core   +3 more sources

Developing Novel Gas Discharge Emitters of Acoustic Waves in Air for Nondestructive Testing of Materials

Sensors, 2022
This study was devoted to the development of novel devices and a methodology intended for generating ultrasonic waves in an air medium by using atmospheric pressure gas discharge. In the proposed electrode system, the discharge process was accompanied by
Daria A. Derusova, Vitaly O. Nekhoroshev, Victor Y. Shpil’noi, Vladimir P. Vavilov   +3 more
doaj   +1 more source

Ancilla-assisted quantum process tomography [PDF]

, 2003
Complete and precise characterization of a quantum dynamical process can be achieved via the method of quantum process tomography. Using a source of correlated photons, we have implemented several methods investigating a wide range of processes, e.g ...
Altepeter, J. B., Branning, D., Jeffrey, E., Kwiat, P. G., Nielsen, M. A., O'Brien, J. L., Thew, R. T., Wei, T. C., White, A. G.   +8 more
core   +3 more sources

Ovothiol A is the Main Antioxidant in Fish Lens

Metabolites, 2019
Tissue protection from oxidative stress by antioxidants is of vital importance for cellular metabolism. The lens mostly consists of fiber cells lacking nuclei and organelles, having minimal metabolic activity; therefore, the defense of the lens tissue ...
Vadim V. Yanshole, Lyudmila V. Yanshole, Ekaterina A. Zelentsova, Yuri P. Tsentalovich   +3 more
doaj   +1 more source

Advanced Surface Ablation in Mild (Fruste) Keratoconus: A Case Report

Ophthalmology and Therapy, 2020
Corneal ectasia is a complication of refractive surgery, and keratoconus is a contraindication to this type of procedure. Surface ablation may be an option for selected cases of mild keratoconus, with patient education being fundamental to this treatment
Louise P. G. Esporcatte, Marcella Q. Salomão, Nelson B. Sena, Bernardo T. Lopes, Renato Ambrósio   +4 more
doaj   +1 more source

Quantum gate characterization in an extended Hilbert space [PDF]

, 2004
We describe an approach for characterizing the process of quantum gates using quantum process tomography, by first modeling them in an extended Hilbert space, which includes non-qubit degrees of freedom.
G. J. Pryde, I. L. Chuang, J. L. O’Brien, M. A. Nielsen, Peter P. Rohde, Timothy C. Ralph   +5 more
core   +3 more sources