Results 91 to 100 of about 14,184,159 (383)

Development of a dual-mode energy-resolved neutron imaging detector: High spatial resolution and large field of view

Nuclear Engineering and Technology
Energy-resolved neutron imaging is an effective way to investigate the internal structure and residual stress of materials. Different sample sizes have varying requirements for the detector's imaging field of view (FOV) and spatial resolution. Therefore,
Wenqin Yang, Jianrong Zhou, Jianqing Yang, Xingfen Jiang, Jinhao Tan, Lin Zhu, Xiaojuan Zhou, Yuanguang Xia, Li Yu, Xiuku Wang, Haiyun Teng, Jiajie Li, Yongxiang Qiu, Peixun Shen, Songlin Wang, Yadong Wei, Yushou Song, Jian Zhuang, Yubin Zhao, Junrong Zhang, Zhijia Sun, Yuanbo Chen   +21 more
doaj   +1 more source

Energy detector performance in Rician fading channel [PDF]

Serbian Journal of Electrical Engineering, 2013
In this paper we analyzed the problem of detection of unknown signals in the Rician fading channel. A closed-form expression for the probability of detection is derived, followed by the numerical results. The analysis was extended to the case of
Brkić Srđan S., Ivaniš Predrag N.
doaj   +1 more source

Performance of Energy Detection Spectrum Sensing for Cognitive Radio Using GNU Radio

Jurnal Nasional Teknik Elektro dan Teknologi Informasi, 2022
The increasing number of wireless communication applications has led to spectrum scarcity problems. On the other hand, the current system in allocating the spectrum frequency is inefficient.
Hudaya Muna Putra, Sigit Basuki Wibowo, Dyonisius Dony Ariananda, Wahyu Dewanto   +3 more
doaj   +1 more source

Ground-based detectors in very-high-energy gamma-ray astronomy [PDF]

, 2015
Following the discovery of the cosmic rays by Victor Hess in 1912, more than 70 years and numerous technological developments were needed before an unambiguous detection of the first very-high-energy gamma-ray source in 1989 was made.
de Naurois, M., Mazin, D.
core   +4 more sources

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

Optimization of Resource Allocation Model With Energy-Efficient Cooperative Sensing in Green Cognitive Radio Networks

IEEE Access, 2020
Green cognitive radios show promise for high energy efficiency (EE) in the future of wireless communications. Spectrum sensing refers to an energy-consuming procedure that allows cognitive users to independently identify unused radio spectrum segments ...
Arash Ostovar, Yousaf Bin Zikria, Hyung Seok Kim, Rashid Ali   +3 more
doaj   +1 more source

Detection of Extended VHE Gamma Ray Emission from G106.3+2.7 with VERITAS [PDF]

, 2009
We report the detection of very-high-energy (VHE) gamma-ray emission from supernova remnant (SNR) G106.3+2.7. Observations performed in 2008 with the VERITAS atmospheric Cherenkov gamma-ray telescope resolve extended emission overlapping the elongated ...
A. Cannon, A. Cesarini, A. Furniss, A. Konopelko, A. McCann, A. N. Otte, A. W. Smith, A. Weinstein, Abdo, Abdo, Abdo, Acciari, Acciari, Aharonian, Aharonian, Aharonian, Aliu, Aliu, B. Zitzer, Bednarek, C. M. Hui, Cogan, D. A. Williams, D. Boltuch, D. Gall, D. Hanna, D. Horan, D. Kieda, D. Pandel, D. Steele, Daniel, de Jager, E. Aliu, E. Roache, E. V. Gotthelf, F. Krennrich, Fegan, G. Gyuk, G. H. Gillanders, G. H. Sembroski, G. Maier, H. J. Rose, H. Krawczynski, Halpern, Halpern, Hartman, Heyer, Hillas, J. A. Toner, J. E. Ward, J. Grube, J. H. Buckley, J. Holder, J. Millis, J. P. Finley, J. Quinn, J. S. Perkins, Joncas, K. Byrum, K. Ragan, Kallas, Konopelko, Konopelko, Kothes, Kothes, L. C. Reyes, L. Ciupik, L. Fortson, M. Bautista, M. Beilicke, M. J. Lang, M. Kertzman, M. McCutcheon, M. Pohl, M. Schroedter, M. Theiling, M. Wood, N. Karlsson, P. Cogan, P. Fortin, P. Kaaret, P. Moriarty, P. T. Reynolds, Pineault, Pittori, R. A. Ong, R. Dickherber, R. G. Wagner, R. Guenette, R. Mukherjee, S. J. Fegan, S. LeBohec, S. M. Bradbury, S. P. Swordy, S. P. Wakely, S. Vincent, S. Wissel, T. Arlen, T. Aune, T. B. Humensky, T. C. Weekes, T. Ergin, T. Weisgarber, Taylor, V. A. Acciari, V. Bugaev, V. V. Vassiliev, W. Benbow, W. Cui, Y. Butt, Y. C. Chow   +110 more
core   +2 more sources

Organ‐specific redox imbalances in spinal muscular atrophy mice are partially rescued by SMN antisense oligonucleotides

FEBS Letters, EarlyView.
We identified a systemic, progressive loss of protein S‐glutathionylation—detected by nonreducing western blotting—alongside dysregulation of glutathione‐cycle enzymes in both neuronal and peripheral tissues of Taiwanese SMA mice. These alterations were partially rescued by SMN antisense oligonucleotide therapy, revealing persistent redox imbalance as ...
Sofia Vrettou, Brunhilde Wirth
wiley   +1 more source

Cell nuclei detection using globally optimal active contours with shape prior [PDF]

, 2012
Cell nuclei detection in fluorescent microscopic images is an important and time consuming task for a wide range of biological applications. Blur, clutter, bleed through and partial occlusion of nuclei make this a challenging task for automated detection
E. Gladilin, G. Li, J. Selinummi, L. Kamentsky, M. Sezgin, M. Zibulevsky, P.J. Keller, P.R. Gudla, R.G. Baraniuk, S.J. Kim, T.F. Chan, X.W. Chen   +11 more
core   +1 more source

Transferrin receptor 1‐mediated iron uptake supports thermogenic activation in human cervical‐derived adipocytes

FEBS Letters, EarlyView.
In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai, Mizuki Seo, Gyath Karadsheh, Fachrur Rizal Mahendra, Máté Á Demény, Ferenc Győry, János András Mótyán, László Fésüs, Endre Kristóf, Rini Arianti   +9 more
wiley   +1 more source