Results 1 to 10 of about 37,755 (163)
Frontiers in Immunology, 2021 Gastric cancer (GC) is the fifth most prevalent type of cancer worldwide. Gastric tumor cells express MICA protein, a ligand to NKG2D receptor that triggers natural killer (NK) cells effector functions for early tumor elimination.
Carolina H Ribeiro +2 more
exaly +3 more sources
NeuroImage, 2021 Since accurate quantification of 2-deoxy-2–18F-fluoro-D-glucose ([18F]FDG) positron emission tomography (PET) requires dynamic acquisition with arterial input function, more practical semi-quantitative (static) approaches are often preferred.
Daniele Bertoglio +5 more
doaj +1 more source
Geographic distribution notes on Trimetopon barbouri Dunn 1930 from western Panama [PDF]
Check List, 2013 We document the first records of the small colubrid snake Trimetopon barbouri Dunn, 1930, from Coclé Province, Republic of Panama. Comparisons with the type description are presented for one specimen.
Julie Ray +4 more
doaj +3 more sources
Pairwise-Covariance Multi-view Discriminant Analysis for Robust Cross-View Human Action Recognition
IEEE Access, 2021 Human action recognition (HAR) under different camera viewpoints is the most critical requirement for practical deployment. In this paper, we propose a novel method that leverages successful deep learning-based features for action representation and ...
Hoang-Nhat Tran +5 more
doaj +1 more source
EJNMMI Physics, 2023 Background Kinetic modeling in positron emission tomography (PET) requires measurement of the tracer plasma activity in the absence of a suitable reference region.
Alan Miranda +3 more
doaj +1 more source
A New Miniaturized Gas Sensor Based on Zener Diode Network Covered by Metal Oxide
Micromachines, 2021 The development of “portable, low cost and low consumption” gas microsensors is one of the strong needs for embedded portable devices in many fields such as public domain.
Vignesh Gunasekaran +6 more
doaj +1 more source
EJNMMI Research, 2020 Background Currently, the evidence on synaptic abnormalities in neuropsychiatric disorders—including obsessive–compulsive disorder (OCD)—is emerging. The newly established positron emission tomography (PET) ligand ((R)-1-((3-((11)C-methyl-(11)C)pyridin-4-
Dorien Glorie +5 more
doaj +1 more source
Encoding Capacity Enhancement for Chipless RFID Tag Using Resonant Frequency Placement
IEEE Access, 2023 In this study, a novel encoding approach for chipless radio frequency identification (RFID) tags is proposed. This tag is designed with $N$ resonant elements, each of which can be parameterized to resonate at $M$ individual desired frequencies ...
Cong-Cuong Le +3 more
doaj +1 more source
Range extension and natural history observations of a rare Panamanian snake, Geophis bellus Myers, 2003 (Colubridae: Dipsadinae) [PDF]
Check List, 2015 The fossorial snake Geophis bellus is a small Panamanian endemic previously known only from the holotype. Here we report additional specimens, which greatly expand the known range of the species ca.
Luis Elizondo Lara +3 more
doaj +3 more sources
A Variable-Length Chromosome Genetic Algorithm for Time-Based Sensor Network Schedule Optimization
Sensors, 2021 Scheduling sensor nodes has an important role in real monitoring applications using sensor networks, lowering the power consumption and maximizing the network lifetime, while maintaining the satisfaction to application requirements.
Van-Phuong Ha +3 more
doaj +1 more source