Results 21 to 30 of about 1,173 (164)

Application of Functional Principal Component Analysis in the Spatiotemporal Land-Use Regression Modeling of PM_2.5

Atmosphere, 2023
Functional data are generally curves indexed over a time domain, and land-use regression (LUR) is a promising spatial technique for generating high-resolution spatial estimation of retrospective long-term air pollutants.
Mahmood Taghavi, Ghader Ghanizadeh, Mohammad Ghasemi, Alessandro Fassò, Gerard Hoek, Kiavash Hushmandi, Mehdi Raei   +6 more
doaj   +1 more source

Influence of Vascular Variant of the Posterior Cerebral Artery (PCA) on Cerebral Blood Flow, Vascular Response to CO2 and Static Functional Connectivity. [PDF]

PLoS ONE, 2016
The fetal origin of the posterior cerebral artery (fPCA) is a frequent vascular variant in 11-29% of the population. For the fPCA, blood flow in the PCA originates from the anterior instead of the posterior circulation.
Kirsten Emmert, Daniela Zöller, Maria Giulia Preti, Dimitri Van De Ville, Panteleimon Giannakopoulos, Sven Haller   +5 more
doaj   +1 more source

Campomanesia adamantium O Berg. fruit, native to Brazil, can protect against oxidative stress and promote longevity.

PLoS ONE, 2023
Campomanesia adamantium O. Berg. is a fruit tree species native to the Brazilian Cerrado biome whose fruits are consumed raw by the population. The present study determined the chemical composition of the C.
Laura Costa Alves de Araújo, Natasha Rios Leite, Paola Dos Santos da Rocha, Debora da Silva Baldivia, Danielle Araujo Agarrayua, Daiana Silva Ávila, Denise Brentan da Silva, Carlos Alexandre Carollo, Jaqueline Ferreira Campos, Kely de Picoli Souza, Edson Lucas Dos Santos   +10 more
doaj   +1 more source

Anatomical variations in posterior part of the circle of Willis and their associations with brain infarct in different vascular territories

The Egyptian Journal of Radiology and Nuclear Medicine, 2022
Background The relationship between anatomical variations in circle of Willis and brain infarction is controversial. The purpose of this study was to evaluate the relationship between anatomical variations in posterior portion of the circle of Willis ...
Maryam Haghighimorad, Hooman Bahrami-Motlagh, Elahe Salehi, Alireza Radmanesh   +3 more
doaj   +1 more source

A Functional Data Approach to Outlier Detection and Imputation for Traffic Density Data on Urban Arterial Roads

Promet (Zagreb), 2022
In traffic monitoring data analysis, the magnitude of traffic density plays an important role in determining the level of traffic congestion. This study proposes a data imputation method for spatio-functional principal component analysis (s-FPCA) and ...
Bing Tang, Yao Hu, Huan Chen
doaj   +1 more source

Circle of Willis Variants: Fetal PCA

Stroke Research and Treatment, 2013
We sought to determine the prevalence of fetal posterior cerebral artery (fPCA) and if fPCA was associated with specific stroke etiology and vessel territory affected.
Amir Shaban, Karen C. Albright, Amelia K. Boehme, Sheryl Martin-Schild   +3 more
doaj   +1 more source

Clinical features and outcomes of PComA aneurysms originating from fetal posterior communicating arteries in a single institution

Chinese Neurosurgical Journal, 2020
Background The aim of this study was to retrospectively analyze our experience with the patients who underwent surgical treatment of posterior communicating artery (PComA) aneurysms originating from fetal posterior cerebral artery (fPCA) and analyze the ...
Xin Chen, Hao Li, Ming-Ze Wang, Mao-gui Li, Yong Cao, Dong Zhang, Yan Zhang, Hao Wang, Shuo Wang   +8 more
doaj   +1 more source

A Novel Longitudinal Proteomic Aging Index Predicts Mortality, Multimorbidity, and Frailty in Older Adults. [PDF]

Aging Cell
We used proteomic data from three longitudinal visits in the ARIC study to construct a single longitudinal proteomic aging index (LPAI) that captures both cumulative aging burden and dynamic aging trajectories. Higher LPAI was associated with increased risks of mortality, frailty, and multimorbidity.
Rao Z, Wang S, Li A, Blaha MJ, Coresh J, Ganz P, Marshall CH, Pankow JS, Platz EA, Post W, Sedaghat S, Rotter JI, Whelton SP, Prizment A, Guan W.   +14 more
europepmc   +2 more sources

Exploring functional data analysis and wavelet principal component analysis on ecstasy (MDMA) wastewater data

BMC Medical Research Methodology, 2016
Background Wastewater-based epidemiology (WBE) is a novel approach in drug use epidemiology which aims to monitor the extent of use of various drugs in a community.
Stefania Salvatore, Jørgen G. Bramness, Jo Røislien   +2 more
doaj   +1 more source

Field-Programmable Crossbar Array (FPCA) for Reconfigurable Computing

IEEE Transactions on Multi-Scale Computing Systems, 2018
For decades, advances in electronics were directly driven by the scaling of CMOS transistors according to Moore's law. However, both the CMOS scaling and the classical computer architecture are approaching fundamental and practical limits, and new computing architectures based on emerging devices, such as resistive random-access memory (RRAM) devices ...
Mohammed Affan Zidan, YeonJoo Jeong, Jong Hoon Shin, Chao Du, Zhengya Zhang, Wei D. Lu   +5 more
openaire   +2 more sources