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Artículos de revistas

Literatura académica sobre el tema "UCAF"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 17 de febrero de 2022

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Artículos de revistas sobre el tema "UCAF"

1

Fu, Jia-Wei, Yi-Sheng Lin, Sheng-Long Gan, et al. "Multifunctionalized Microscale Ultrasound Contrast Agents for Precise Theranostics of Malignant Tumors." Contrast Media & Molecular Imaging 2019 (July 7, 2019): 1–18. http://dx.doi.org/10.1155/2019/3145647.

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In ultrasonography, ultrasound contrast agents (UCAs) that possess high acoustic impedance mismatch with the bulk medium are frequently employed to highlight the borders between tissues by enhanced ultrasound scattering in a clinic. Typically, the most common UCA, microbubble, is generally close in size to a red blood cell (<∼10 μm). These microscale UCAs cannot be directly entrapped into the target cells but generate several orders of magnitude stronger echo signals than the nanoscale ones. And their large containment and high ultrasound responsiveness also greatly facilitate to perform co

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2

Jiang, Wangshu, Wimal Ubhayasekera, Melanie M. Pearson, and Stefan D. Knight. "Structures of two fimbrial adhesins, AtfE and UcaD, from the uropathogenProteus mirabilis." Acta Crystallographica Section D Structural Biology 74, no. 11 (2018): 1053–62. http://dx.doi.org/10.1107/s2059798318012391.

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The important uropathogenProteus mirabilisencodes a record number of chaperone/usher-pathway adhesive fimbriae. Such fimbriae, which are used for adhesion to cell surfaces/tissues and for biofilm formation, are typically important virulence factors in bacterial pathogenesis. Here, the structures of the receptor-binding domains of the tip-located two-domain adhesins UcaD (1.5 Å resolution) and AtfE (1.58 Å resolution) from twoP. mirabilisfimbriae (UCA/NAF and ATF) are presented. The structures of UcaD and AtfE are both similar to the F17G type of tip-located fimbrial receptor-binding domains, a

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3

Gurusamy, Umamaheswari, Ramya Thangavelu, and Chaitra Venkataswamy. "Abnormalities of the umbilical cord: correlation with placental histology and perinatal outcome." International Journal of Research in Medical Sciences 5, no. 11 (2017): 5009. http://dx.doi.org/10.18203/2320-6012.ijrms20174961.

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Background: The purpose of this study was to evaluate gross umbilical cord abnormalities and to examine its relationship with placental pathological features and perinatal outcome.Methods: We retrospectively collected 101 singleton placentas with gross umbilical cord abnormalities over 3-year period (delivered on or after 20 weeks of gestational age). Association between gross umbilical cord abnormalities such as hypercoiled cords, hypocoiled cords, thin cords, true knot, strictures, excessively long cord, and abnormal cord insertions were reviewed and evaluated for placental histology, clinic

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4

Gupta, Ipshita, John R. Eisenbrey, Priscilla Machado, Maria Stanczak, Kirk Wallace, and Flemming Forsberg. "On Factors Affecting Subharmonic-aided Pressure Estimation (SHAPE)." Ultrasonic Imaging 41, no. 1 (2018): 35–48. http://dx.doi.org/10.1177/0161734618812083.

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Subharmonic-aided pressure estimation (SHAPE) estimates hydrostatic pressure using the inverse relationship with subharmonic amplitude variations of ultrasound contrast agents (UCAs). We studied the impact of varying incident acoustic outputs (IAO), UCA concentration, and hematocrit on SHAPE. A Logiq 9 scanner with a 4C curvilinear probe (GE, Milwaukee, Wisconsin) was used with Sonazoid (GE Healthcare, Oslo, Norway) transmitting at 2.5 MHz and receiving at 1.25 MHz. An improved IAO selection algorithm provided improved correlations ( r from −0.85 to −0.95 vs. −0.39 to −0.98). There was no sign

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5

Silva, Jainy De Noronha, Sanny Aparecida Guimarães Souza, Igor Medeiros Vanderlei, Mariel José Pimentel de Andrade, and Anderson Fernandes de Alencar. "INFORMÁTICA NA EDUCAÇÃO E FORMAÇÃO DE PROFESSORES(AS) DA REDE MUNICIPAL DE GARANHUNS - PE: UMA EXPERIÊNCIA EXTENSIONISTA." INTERNATIONAL JOURNAL EDUCATION AND TEACHING (PDVL) ISSN 2595-2498 3, no. 2 (2020): 50–66. http://dx.doi.org/10.31692/2595-2498.v3i2.134.

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O presente trabalho apresenta resultados das atividades desenvolvidas até julho de 2019 no projeto de extensão “Informática, educação e acesso ao conhecimento: fomentando ensino com qualidade sociocultural e inclusão social nas escolas municipais de Garanhuns – PE”, cujo objetivo principal é contribuir para a efetiva utilização da informática na educação nas escolas públicas do município de Garanhuns (PE), bem como viabilizar a continuidade dos projetos de extensão ‘Tecnologias da informação, comunicação e educação: potencializando os processos de ensino e aprendizagem’ (2016), 'Informática e

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6

Lin, Mingtuan, Yue Gao, Peiguo Liu, and Zhiqing Guo. "Performance Analyses of the Radio Orbital Angular Momentum Steering Technique Based on Ka-Band Antenna." International Journal of Antennas and Propagation 2017 (2017): 1–12. http://dx.doi.org/10.1155/2017/8050652.

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The misalignment in the orbital angular momentum- (OAM-) based system would distort the radiation patterns of twisted beams carrying OAM, consequently making the OAM-based communication infeasible. To tackle the misalignment problem, a radio OAM steering technique based on a uniform circular array (UCA) is illustrated. Subsequently, simulations are conducted to explore the influence of the OAM steering on the OAM mode quality and transmission performance. Furthermore, UCAs working at Ka-band with formulated feeding networks are designed and fabricated to analyze the performance of the OAM stee

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7

Hu, Yinfeng, Shengmin Zhang, Minhua Guo, et al. "Preparation of Lipid Nano-Bubbles as Contrast Agent Material for Tumor Ultrasound Diagnosis of Breast Cancer." Science of Advanced Materials 12, no. 8 (2020): 1184–93. http://dx.doi.org/10.1166/sam.2020.3819.

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Ultrasound diagnostic technology has higher application values in tumor diagnosis due to its higher spatial resolution and no radiation. Ultrasound lipid nanobubble contrast material can further improve the accuracy of tumor diagnosis. Therefore, the liposomes were used as shells to encapsulate bio-inert gases to prepare nano-scale microbubbles NBs. Meanwhile, the Annexin V molecules were connected through the conjugation of biotin-avidin to prepare targeted nano-scale ultrasound contrast agents (UCAs) Annexin V-Nanobubbles (AVNBs). The tumor-bearing mice apoptosis models were constructed by i

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8

Miyachi, Hiroshi, Kohei Suzuki, Shohei Nagasaka, Takehiro Kitagawa, and Junkoh Yamamoto. "Brain ischemia due to direct vascular compression associate with rapid enlargement of unruptured middle cerebral artery aneurysm: A case report." Surgical Neurology International 12 (March 24, 2021): 115. http://dx.doi.org/10.25259/sni_843_2020.

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Background: Acute cerebral infarction is a rare complication resulting from an unruptured cerebral aneurysm (UCA). There is presently no consensus on the optimal strategy for the management of UCAs with cerebral infarctions. Case Description: A 53-year-old man presented with transient dysarthria and left hemiparesis. Magnetic resonance imaging (MRI) demonstrated the presence of a 7 mm UCA originating from the middle cerebral artery bifurcation, and diffusion-weighted imaging showed no evidence of cerebral infarction. One month later, his transient left hemiparesis recurred, and the patient was

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9

Li, Hui-Jin, Xiao-Min Sun, Zheng-Kun Li, et al. "LncRNA UCA1 Promotes Mitochondrial Function of Bladder Cancer via the MiR-195/ARL2 Signaling Pathway." Cellular Physiology and Biochemistry 43, no. 6 (2017): 2548–61. http://dx.doi.org/10.1159/000484507.

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Background/Aims: This study aims to identify whether Urothelial Cancer Associated 1 (UCA1) regulates mitochondrial metabolic reprogramming in bladder cancer, and to explore how UCA1 participates in mitochondrial metabolism by the UCA1/miR-195/ARL2 signaling pathway; these findings may be aid in the development of tumor diagnostic and therapeutic strategies. Methods: Bladder tissues were obtained from patients. Stable cell lines were constructed, with ectopic expression of UCA1 in UMUC2 cells and knockdown of UCA1 in 5637 cells. The expression levels of UCA1, miR-195, and ARL2 were detected by

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10

Chen, Xia, and Zhen Yu Lu. "A Study on UCAV Targets Assignment Based on Consensus Uncertain Detecting Information." Advanced Materials Research 503-504 (April 2012): 1235–38. http://dx.doi.org/10.4028/www.scientific.net/amr.503-504.1235.

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UCAV targets assignment is a key research topic in UCAV formation mission planning area. As UCAV targets assignment problem under uncertain detecting information, a new method is proposed in this paper. Firstly, the UCAV targets assignment problem under uncertain dectection information is described. Then, the mathematical model of UCAV targets assignment under uncertain detecting information is established and UCAV targets assignment with SMAA method based on uncertain detecting information is given after introducing the SMAA method. Finally, simulations are presented to demonstrate the effect

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