Search Results - "Johnson, Kevin M"

Enhancement of cerebrovascular 4D flow MRI velocity fields using machine learning and computational fluid dynamics simulation data by Rutkowski, David R., Roldán-Alzate, Alejandro, Johnson, Kevin M.

“…Blood flow metrics obtained with four-dimensional (4D) flow phase contrast (PC) magnetic resonance imaging (MRI) can be of great value in clinical and…”
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Optimized 3D ultrashort echo time pulmonary MRI by Johnson, Kevin M., Fain, Sean B., Schiebler, Mark L., Nagle, Scott

“…Purpose To optimize 3D radial ultrashort echo time MRI for high resolution whole‐lung imaging. Methods 3D radial ultrashort echo time was implemented on a 3T…”
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Iterative motion‐compensation reconstruction ultra‐short TE (iMoCo UTE) for high‐resolution free‐breathing pulmonary MRI by Zhu, Xucheng, Chan, Marilynn, Lustig, Michael, Johnson, Kevin M., Larson, Peder E. Z.

“…Purpose To develop a high‐scanning efficiency, motion‐corrected imaging strategy for free‐breathing pulmonary MRI by combining an iterative motion‐compensation…”
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Extreme MRI: Large‐scale volumetric dynamic imaging from continuous non‐gated acquisitions by Ong, Frank, Zhu, Xucheng, Cheng, Joseph Y., Johnson, Kevin M., Larson, Peder E. Z., Vasanawala, Shreyas S., Lustig, Michael

“…Purpose To develop a framework to reconstruct large‐scale volumetric dynamic MRI from rapid continuous and non‐gated acquisitions, with applications to…”
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Transcriptomic response of the Antarctic pteropod Limacina helicina antarctica to ocean acidification by Johnson, Kevin M, Hofmann, Gretchen E

“…Ocean acidification (OA), a change in ocean chemistry due to the absorption of atmospheric CO into surface oceans, challenges biogenic calcification in many…”
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Population epigenetic divergence exceeds genetic divergence in the Eastern oyster Crassostrea virginica in the Northern Gulf of Mexico by Johnson, Kevin M., Kelly, Morgan W.

“…Populations may respond to environmental heterogeneity via evolutionary divergence or phenotypic plasticity. While evolutionary divergence occurs through DNA…”
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Aortic flow patterns and wall shear stress maps by 4D-flow cardiovascular magnetic resonance in the assessment of aortic dilatation in bicuspid aortic valve disease by Rodríguez-Palomares, José Fernando, Dux-Santoy, Lydia, Guala, Andrea, Kale, Raquel, Maldonado, Giuliana, Teixidó-Turà, Gisela, Galian, Laura, Huguet, Marina, Valente, Filipa, Gutiérrez, Laura, González-Alujas, Teresa, Johnson, Kevin M, Wieben, Oliver, García-Dorado, David, Evangelista, Arturo

“…In patients with bicuspid valve (BAV), ascending aorta (AAo) dilatation may be caused by altered flow patterns and wall shear stress (WSS). These differences…”
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Formation and Repair of an Interstrand DNA Cross-Link Arising from a Common Endogenous Lesion by Housh, Kurt, Jha, Jay S, Yang, Zhiyu, Haldar, Tuhin, Johnson, Kevin M, Yin, Jiekai, Wang, Yinsheng, Gates, Kent S

“…Interstrand DNA cross-links (ICLs) are cytotoxic because they block the strand separation required for read-out and replication of the genetic information in…”
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4D flow MRI for intracranial hemodynamics assessment in Alzheimer’s disease by Rivera-Rivera, Leonardo A, Turski, Patrick, Johnson, Kevin M, Hoffman, Carson, Berman, Sara E, Kilgas, Phillip, Rowley, Howard A, Carlsson, Cynthia M, Johnson, Sterling C, Wieben, Oliver

“…Cerebral blood flow, arterial pulsation, and vasomotion play important roles in the transport of waste metabolites out of the brain. Impaired vasomotion…”
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Shared and Distinct Features of Human Milk and Infant Stool Viromes by Pannaraj, Pia S, Ly, Melissa, Cerini, Chiara, Saavedra, Monica, Aldrovandi, Grace M, Saboory, Abdul A, Johnson, Kevin M, Pride, David T

“…Infants acquire many of their microbes from their mothers during the birth process. The acquisition of these microbes is believed to be critical in the…”
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Interstrand DNA–DNA Cross-Link Formation Between Adenine Residues and Abasic Sites in Duplex DNA by Price, Nathan E, Johnson, Kevin M, Wang, Jin, Fekry, Mostafa I, Wang, Yinsheng, Gates, Kent S

“…The loss of a coding nucleobase from the structure of DNA is a common event that generates an abasic (Ap) site (1). Ap sites exist as an equilibrating mixture…”
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Cyp27c1 Red-Shifts the Spectral Sensitivity of Photoreceptors by Converting Vitamin A1 into A2 by Enright, Jennifer M., Toomey, Matthew B., Sato, Shin-ya, Temple, Shelby E., Allen, James R., Fujiwara, Rina, Kramlinger, Valerie M., Nagy, Leslie D., Johnson, Kevin M., Xiao, Yi, How, Martin J., Johnson, Stephen L., Roberts, Nicholas W., Kefalov, Vladimir J., Guengerich, F. Peter, Corbo, Joseph C.

“…Some vertebrate species have evolved means of extending their visual sensitivity beyond the range of human vision. One mechanism of enhancing sensitivity to…”
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Changes in intracranial venous blood flow and pulsatility in Alzheimer’s disease: A 4D flow MRI study by Rivera-Rivera, Leonardo A, Schubert, Tilman, Turski, Patrick, Johnson, Kevin M, Berman, Sara E, Rowley, Howard A, Carlsson, Cynthia M, Johnson, Sterling C, Wieben, Oliver

“…Cerebral blood flow, arterial pulsation, and vasomotion may be important indicators of cerebrovascular health in aging and diseases of aging such as…”
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Extensive genome-wide duplications in the eastern oyster ( Crassostrea virginica ) by Modak, Tejashree H, Literman, Robert, Puritz, Jonathan B, Johnson, Kevin M, Roberts, Erin M, Proestou, Dina, Guo, Ximing, Gomez-Chiarri, Marta, Schwartz, Rachel S

“…Genomic structural variation is an important source of genetic and phenotypic diversity, playing a critical role in evolution. The recent availability of a…”
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Motion-corrected 4D-Flow MRI for neurovascular applications by Rivera-Rivera, Leonardo A., Kecskemeti, Steve, Jen, Mu-Lan, Miller, Zachary, Johnson, Sterling C., Eisenmenger, Laura, Johnson, Kevin M.

“…•3D radial sampling combined with multi-scale low-rank reconstruction support allows for retrospective rigid motion corrected neurovascular 4D-Flow MRI.•Motion…”
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Characterizing a short T2 signal component in the liver using ultrashort TE chemical shift‐encoded MRI at 1.5T and 3.0T by Zhu, Ante, Hernando, Diego, Johnson, Kevin M., Reeder, Scott B.

“…Purpose Recent studies have suggested the presence of short‐T2* signals in the liver, which may confound chemical shift‐encoded (CSE) fat quantification when…”
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Longitudinal Monitoring of Hepatic Blood Flow before and after TIPS by Using 4D-Flow MR Imaging by Bannas, Peter, Roldán-Alzate, Alejandro, Johnson, Kevin M, Woods, Michael A, Ozkan, Orhan, Motosugi, Utaroh, Wieben, Oliver, Reeder, Scott B, Kramer, Harald

“…Purpose To demonstrate the feasibility of four-dimensional (4D)-flow magnetic resonance (MR) imaging for noninvasive longitudinal hemodynamic monitoring of…”
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In vitro cytochrome P450 46A1 (CYP46A1) activation by neuroactive compounds by Mast, Natalia, Anderson, Kyle W., Johnson, Kevin M., Phan, Thanh T.N., Guengerich, F. Peter, Pikuleva, Irina A.

“…Cytochrome P450 46A1 (CYP46A1, cholesterol 24-hydroxylase) is the enzyme responsible for the majority of cholesterol elimination from the brain. Previously, we…”
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A phantom study comparing radial trajectories for accelerated cardiac 4D flow MRI against a particle imaging velocimetry reference by Corrado, Philip A., Medero, Rafael, Johnson, Kevin M., François, Christopher J., Roldán‐Alzate, Alejandro, Wieben, Oliver

“…Purpose Radial sampling is one method to accelerate 4D flow MRI acquisition, making feasible dual‐velocity encoding (Venc) assessment of slow flow in the left…”
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Fat mitigation strategies to improve image quality of radial 4D flow MRI in obese subjects by Shamim, A M K Muntasir, Panagiotopoulos, Nikolaos, Spahic, Alma, Harris, David T, Roldán-Alzate, Alejandro, Wieben, Oliver, Reeder, Scott B, Oechtering, Thekla Helene, Johnson, Kevin M

“…This study addresses the challenges in obtaining abdominal 4D flow MRI of obese patients. We aimed to evaluate spectral saturation and inner volume excitation…”
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