Results 61 to 70 of about 2,398,878 (243)

Evaluation of the performance of a high-resolution time-of-flight PET system dedicated to the head and breast according to NEMA NU 2-2012 standard

EJNMMI Physics, 2022
Background This study evaluated the physical performance of a positron emission tomography (PET) system dedicated to the head and breast according to the National Electrical Manufacturers Association (NEMA) NU2-2012 standard.
Daisuke Morimoto-Ishikawa, Kohei Hanaoka, Shota Watanabe, Takahiro Yamada, Yoshiyuki Yamakawa, Suzuka Minagawa, Shiho Takenouchi, Atsushi Ohtani, Tetsuro Mizuta, Hayato Kaida, Kazunari Ishii   +10 more
doaj   +1 more source

CIDNP study of photoinduced electron transfer in His-Glu-Tyr-Gly peptide and its conjugate His-Gln(BP)-Tyr-Gly

Scientific Reports
Photoinduced intramolecular electron transfer (ET) is essential for understanding charge transport in biological and synthetic systems. This study examines ET in peptide His-Glu-Tyr-Gly (1) and the conjugate His-Gln(BP)-Tyr-Gly (2) with benzophenone (BP)
Natalya N. Fishman, Kevin Herr, Olga B. Morozova, Ivan V. Zhukov, Maksim P. Geniman, Martin Brodrecht, Till Wissel, Gerd Buntkowsky, Alexandra V. Yurkovskaya   +8 more
doaj   +1 more source

State estimation: direct state measurement vs. tomography

, 2013
We compare direct state measurement (DST or weak state tomography) to conventional state reconstruction (tomography) through accurate Monte-Carlo simulations. We show that DST is surprisingly robust to its inherent bias.
Maccone, Lorenzo, Rusconi, Cosimo C.
core   +1 more source

Accuracy of multislice computed tomography scan in cases with facial nerve paralysis due to temporal bone trauma [PDF]

, 2022
Mohamed Shokry, Sally Sameh, Mahmoud Raghib, Samy Sayed, Aboshanif Mohamed   +4 more
openalex   +1 more source

The power of being positive: Robust state estimation made possible by quantum mechanics

, 2016
We study the problem of quantum-state tomography under the assumption that the state of the system is close to pure. In this context, an efficient measurements that one typically formulates uniquely identify a pure state from within the set of other pure
Baldwin, Charles H., Deutsch, Ivan H., Kalev, Amir   +2 more
core   +3 more sources

A previously unknown way of heme detoxification in the digestive tract of cats

Scientific Reports, 2021
Free heme is a highly toxic molecule for a living organism and its detoxification is a very important process, especially for carnivorous animals. Here we report the discovery of a previously unknown process for neutralizing free heme in the digestive ...
Alexandr B. Duzhak, Petr S. Sherin, Vadim V. Yanshole, Sergey L. Veber, Sergey I. Baiborodin, Olga I. Sinitsyna, Yuri P. Tsentalovich   +6 more
doaj   +1 more source

Quantifying lung growth with CT-derived intrapulmonary vascular volume: a cross-sectional study

BMC Medical Imaging
Background This study aimed to evaluate lung growth by the quantitative assessment of intrapulmonary vascular volume on chest CT images. Methods All 1122 subjects were grouped with a 2-year age span.
Meijuan Shi, Peng Gao, Meng Li, Weili Yang, Nan Yin, Youmin Guo, Cong Shen   +6 more
doaj   +1 more source

HI tomographic imaging of the Cosmic Dawn and Epoch of Reionization with SKA

, 2015
We provide an overview of 21cm tomography of the Cosmic Dawn and Epoch of Reionization as possible with SKA-Low. We show why tomography is essential for studying CD/EoR and present the scales which can be imaged at different frequencies for the different
Datta, Kanan K., Koopmans, León, Majumdar, Suman, Mellema, Garrelt, Mesinger, Andrei, Shukla, Hemant   +5 more
core   +2 more sources

Array tomography

Journal of Microscopy, 2013
SummaryIn array tomography ordered, ribbon‐like assemblies of ultrathin serial sections are deposited on a solid substrate and imaged afterwards. The resulting images are then aligned and reconstructed into a three‐dimensional representation of the object.
Wacker, I., Schroeder, R. R.
openaire   +3 more sources

Modified gravity tomography [PDF]

Physics Letters B, 2012
7 pages, 1 figure, minor ...
Brax, P., Davis, A.-C., Li, B.
openaire   +4 more sources