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Keywords: photon
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Journal Article
ACCEPTED MANUSCRIPT
Kelly K Horst and others
British Journal of Radiology, tqaf088, https://doi.org/10.1093/bjr/tqaf088
Published: 25 April 2025
... This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model ( https://dbpia.nl.go.kr/pages/standard-publication-reuse-rights ) Abstract The benefits of photon counting detector (PCD) computed tomography (CT) include improved spatial...
Journal Article
ACCEPTED MANUSCRIPT
Daniel Parrott and others
British Journal of Radiology, tqaf086, https://doi.org/10.1093/bjr/tqaf086
Published: 18 April 2025
... since 2006. Since its clinical debut, multiple different dual energy systems have been developed including sequential acquisition, rapid-switching, dual-source, and twin-beam, in addition to spectral imaging techniques such as dual-layer and photon counting CT. While the specifics of these techniques...
Journal Article
ACCEPTED MANUSCRIPT
Zhang Xingjian and others
National Science Review, nwaf147, https://doi.org/10.1093/nsr/nwaf147
Published: 16 April 2025
... permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract Single photon sources (SPSs) are directly applicable in quantum key distribution (QKD) because they allow the implementation of the canonical BB84 protocol. To date, QKD...
Journal Article
Elisabeth Shanblatt and others
British Journal of Radiology, tqaf069, https://doi.org/10.1093/bjr/tqaf069
Published: 28 March 2025
... in a photon counting detector (PCD) CT scanner. Methods UHR-ME cardiac scans were performed to determine the spatial resolution and multi-energy performance. UHR reconstructions were completed to measure transverse and axial spatial resolution in terms of modulation transfer function (MTF) and slice...
Journal Article
Jessica D Flores and others
British Journal of Radiology, Volume 98, Issue 1169, May 2025, Pages 721–733, https://doi.org/10.1093/bjr/tqaf052
Published: 08 March 2025
.../by/4.0/ ), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract Objectives To study whether photon-counting computed tomography (PCCT) can improve CT number accuracy and precision and reduce patient size dependence...
Journal Article
Martine Remy-Jardin and others
British Journal of Radiology, tqaf026, https://doi.org/10.1093/bjr/tqaf026
Published: 07 March 2025
..., distribution, and reproduction in any medium, provided the original work is properly cited. Abstract Photon-counting CT has now entered the field of clinical practice, raising expectations on the advantages that could be derived for patient management. Two main directions are under scrutinity for the medical...
Journal Article
Vinoshene Pillai and others
Neuro-Oncology Advances, Volume 7, Issue 1, January-December 2025, vdaf055, https://doi.org/10.1093/noajnl/vdaf055
Published: 05 March 2025
... a stably transfected GL261 cell line that coexpresses a red fluorescent protein for actin cytoskeleton staining and the intracellular Ca2+ sensor, GCaMP6s. By means of intravital 2-photon imaging, we have characterized the morphological and functional properties of cells at different locations...
Journal Article
Victor Mergen and others
British Journal of Radiology, tqaf037, https://doi.org/10.1093/bjr/tqaf037
Published: 20 February 2025
... 1 Flohr T , Schmidt B , Ulzheimer S , Alkadhi H.   Cardiac imaging with photon counting CT . Br J Radiol . 2023 ; 96 : 20230407 . 2 Klambauer K , Lisi C , Moser LJ , et al   Multienergy cardiovascular CT imaging: current state and future . Br J Radiol...
Journal Article
Yoshihito Saito and others
Published: 15 February 2025
.... Recent technological innovations, particularly in large field-of-view two-photon microscopes, have made it possible to record the activity of tens of thousands of neurons simultaneously. However, the size and complexity of the datasets present significant challenges in extracting interpretable...
Journal Article
Francesca Calicchio and others
European Heart Journal - Imaging Methods and Practice, Volume 3, Issue 1, January 2025, qyaf014, https://doi.org/10.1093/ehjimp/qyaf014
Published: 29 January 2025
.... Graphical Abstract Graphical Abstract coronary CT angiography quantitative coronary plaque analysis low-attenuation plaque (LAP) photon-counting detector CT (PCD-CT) energy integrating detector CT (EID-CT) Scripps Clinic Medical Group Research and Education Foundation Award Scripps Health...
Journal Article
Matt Jervis and others
Dentomaxillofacial Radiology, Volume 54, Issue 3, March 2025, Pages 173–179, https://doi.org/10.1093/dmfr/twaf005
Published: 17 January 2025
... of the Oxford University Press, Standard Journals Publication Model ( https://dbpia.nl.go.kr/pages/standard-publication-reuse-rights ) Abstract Objectives To compare a novel photon-counting sensor, 2 CBCT protocols and 2 CMOS sensors on the detection of gaps between a gutta-percha cone and root canal walls...
Journal Article
Narayan Subramanian and others
Chemical Senses, Volume 50, 2025, bjae045, https://doi.org/10.1093/chemse/bjae045
Published: 30 December 2024
... involved in generating adaptation, although there are conflicting models of how it transforms the glomerular output of the mouse olfactory bulb. Here we performed 2-photon Ca2+ imaging from mitral/tufted glomeruli in awake mice to determine the time course of recovery from adaptation...
Journal Article
Shuzo Kobayashi and others
Clinical Kidney Journal, Volume 18, Issue 1, January 2025, sfae392, https://doi.org/10.1093/ckj/sfae392
Published: 10 December 2024
..., as measured using quantitative single-photon emission computed tomography (SPECT). Kidney transplantation (KT) reduces the incidence of cerebrovascular events compared with dialysis [ 7 , 8 ]. Also, previous reports show that KT improves cognitive function in dialysis patients. This suggests that KT...
Journal Article
Konstantin Klambauer and others
British Journal of Radiology, Volume 98, Issue 1167, March 2025, Pages 321–329, https://doi.org/10.1093/bjr/tqae246
Published: 05 December 2024
... cardiovascular CT imaging provides additional qualitative and quantitative information such as material maps or virtual monoenergetic images, which are supposed to further improve the quality and diagnostic yield of CT. Recently introduced photon-counting detector CT scanners further address some...
Journal Article
Sheng-Hui Zhang and others
Cerebral Cortex, Volume 34, Issue 12, December 2024, bhae471, https://doi.org/10.1093/cercor/bhae471
Published: 05 December 2024
... this model and additional arrangements at both cellular and pixel levels in awake macaques using two-photon calcium imaging. The recorded response fields of view were similar in size to hypercolumns, each containing up to 2,000 identified neurons and representing full periods of orientation preferences...
Journal Article
Suguru Araki and others
European Heart Journal - Imaging Methods and Practice, Volume 2, Issue 3, July 2024, qyae125, https://doi.org/10.1093/ehjimp/qyae125
Published: 27 November 2024
... of the left and right coronary arteries divided by the image noise. 19 Abstract Aims Photon-counting detector computed tomography (PCD-CT), which allows the exclusion of electronic noise, shows promise for significant dose reduction in coronary CT angiography (CCTA). This study aimed to assess...
Journal Article
Masako Yokoyama and others
Bulletin of the Chemical Society of Japan, Volume 97, Issue 12, December 2024, uoae126, https://doi.org/10.1093/bulcsj/uoae126
Published: 23 November 2024
... of the peak positions and intensities of one-photon absorption (OPA) and two-photon absorption (TPA) spectra of phenalenyl π-dimer models was investigated theoretically. Excitation energies and transition dipole moments required to simulate the OPA and TPA spectra were evaluated at the extended...
Journal Article
Siddhant Dogra and others
British Journal of Radiology, tqae226, https://doi.org/10.1093/bjr/tqae226
Published: 14 November 2024
... Model ( https://dbpia.nl.go.kr/pages/standard-publication-reuse-rights ) Abstract Photon-counting CT (PCCT), approved for clinical practice for over 2 years now, both improves on features of conventional energy-integrating detector (EID)-CT and introduces new capabilities such as multienergy...
Journal Article
Stefano Zucca and others
Cerebral Cortex, Volume 34, Issue 11, November 2024, bhae438, https://doi.org/10.1093/cercor/bhae438
Published: 06 November 2024
... of ultrasonic vocalizations early in life. Using in vivo two-photon calcium imaging, we analyzed auditory cortex layer 2/3 neuronal responses to USVs, pure tones (4 to 90 kHz), and high-frequency modulated sweeps from postnatal day 12 (P12) to P21. We found that ACx neurons are tuned to respond to ultrasonic...
Journal Article
Wen-Lin Wang and others
Tree Physiology, tpae142, https://doi.org/10.1093/treephys/tpae142
Published: 01 November 2024
... (IER, in units of nmol m−2 s−1) positively correlates with photosynthetic photon flux density (PPFD) and leaf temperature (T) (e.g. Loreto and Sharkey 1990 , Rasulov et al. 2010 ). However, IER responds to ambient CO2 concentration (Ca...