Articles with "pfa" as a keyword



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Midterm results of modern patellofemoral arthroplasty versus total knee arthroplasty for isolated patellofemoral arthritis: systematic review and meta-analysis of comparative studies

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Published in 2021 at "Archives of Orthopaedic and Trauma Surgery"

DOI: 10.1007/s00402-021-03882-4

Abstract: Both Patellofemoral Arthroplasty (PFA) and Total Knee Arthroplasty (TKA) are accepted surgical options for end-stage isolated patellofemoral osteoarthritis (PFOA). We performed a systematic review and meta-analysis to compare outcomes of PFA and TKA by evaluation… read more here.

Keywords: arthroplasty; pfa; review; meta analysis ... See more keywords
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The importance of proximal femoral angle on sagittal balance and quality of life in children and adolescents with high-grade lumbosacral spondylolisthesis

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Published in 2018 at "European Spine Journal"

DOI: 10.1007/s00586-018-5506-3

Abstract: PurposePrevious studies did not specifically assess the influence of proximal femoral angle (PFA) on sagittal balance in high-grade spondylolisthesis (HGS). In addition, the relationship between PFA and quality of life (QOL) remains unknown. This study… read more here.

Keywords: proximal femoral; hgs; pfa; type ... See more keywords
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Perfluoroalkoxy (PFA)-α-Alumina Composites: Effect of Environment on Tribological Performance

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Published in 2019 at "Tribology Letters"

DOI: 10.1007/s11249-019-1257-5

Abstract: Perfluoroalkoxy polymer (PFA)-α-phase alumina (α-Al2O3) composites have dramatically (~ 10,000 ×) improved wear resistance compared to unfilled PFA when tested in air. In this study, unfilled PFA and PFA-α-Al2O3 composites were tested using a linear… read more here.

Keywords: submerged water; pfa al2o3; carboxylate salts; pfa ... See more keywords
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Different fixatives influence morphology, antigen preservation, and TUNEL staining in chicken (Gallus gallus) testis.

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Published in 2021 at "Acta histochemica"

DOI: 10.1016/j.acthis.2021.151822

Abstract: The optimized fixative for testis is still controversial. This study investigated the effects of Modified Davidson's Fluid (mDF), 4% Paraformaldehyde (4% PFA), and Bouin's Fluid (BF) fixatives on chicken testes in normal/cadmium (Cd) feeding groups… read more here.

Keywords: tunel staining; testis; different fixatives; staining chicken ... See more keywords
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A graduated food addiction classifications approach significantly differentiates depression, anxiety and stress among people with type 2 diabetes.

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Published in 2017 at "Diabetes research and clinical practice"

DOI: 10.1016/j.diabres.2017.07.028

Abstract: AIMS To examine differences in depression, anxiety, and stress across people with type 2 diabetes mellitus (t2d) classified according to a four level processed food addiction (PFA) severity indicator dichotomy. METHODS Four hundred and eight… read more here.

Keywords: anxiety; anxiety stress; depression anxiety; pfa ... See more keywords
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Intracardiac pulsed field ablation: Proof of feasibility in a chronic porcine model.

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Published in 2019 at "Heart rhythm"

DOI: 10.1016/j.hrthm.2018.10.030

Abstract: BACKGROUND Radiofrequency (RF) has become an accepted energy source for myocardial ablation but may result in discontinuous lesions and nontargeted tissue injury. We examined the feasibility and safety of lesion formation using high-amplitude, bipolar pulsed… read more here.

Keywords: field ablation; pfa rfa; ablation; pulsed field ... See more keywords
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On the constitutive modelling and damage behaviour of plain woven textile composite

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Published in 2019 at "International Journal of Solids and Structures"

DOI: 10.1016/j.ijsolstr.2018.08.002

Abstract: Abstract The present work deals with the constitutive modelling and progressive failure analysis (PFA) of plain woven textile composites (PWTC). Two novel approaches, equivalent cross ply laminate (ECPL) coupled with classical laminate theory and Mori–Tanaka… read more here.

Keywords: constitutive modelling; woven textile; plain woven; damage ... See more keywords
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Pulsed Field Ablation in Patients With Persistent Atrial Fibrillation.

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Published in 2020 at "Journal of the American College of Cardiology"

DOI: 10.1016/j.jacc.2020.07.007

Abstract: BACKGROUND Unlike for paroxysmal atrial fibrillation (AF), pulmonary vein isolation (PVI) alone is considered insufficient for many patients with persistent AF. Adjunctive ablation of the left atrial posterior wall (LAPW) may improve outcomes, but is limited… read more here.

Keywords: iqr; atrial fibrillation; ablation; pfa ... See more keywords
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An experimental feasibility study on the use of CO2-soluble polyfluoroacrylates for CO2 mobility and conformance control applications

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Published in 2020 at "Journal of Petroleum Science and Engineering"

DOI: 10.1016/j.petrol.2019.106556

Abstract: Abstract High molecular weight polyfluoroacrylate (PFA) is an amorphous, sticky, hydrophobic, oil-phobic, CO2-soluble homopolymer. 1 wt% PFA-in-CO2 solutions are four times as viscous as pure CO2. Although these solutions provided modest mobility control, unexpectedly large increases… read more here.

Keywords: conformance control; mobility; control; co2 ... See more keywords
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Comparison of fatigue in fiber-backed PVDF and PFA fluoropolymer linings

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Published in 2019 at "Polymer Degradation and Stability"

DOI: 10.1016/j.polymdegradstab.2019.02.016

Abstract: Abstract In this work comparative mechanical fatigue experiments were performed in order to quantify the mechanical stress delamination rates for both PVDF and PFA lining materials. Evidence was found for a Paris Law behavior when… read more here.

Keywords: pfa liners; pvdf pfa; fatigue; bar ... See more keywords
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Wear-Induced Microstructural and Chemical Changes in Poly[tetrafluoroethylene-co-(perfluoroalkyl vinyl ether)] (PFA)

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Published in 2018 at "Macromolecules"

DOI: 10.1021/acs.macromol.8b01564

Abstract: Friction-induced shear stress and wear of poly[tetrafluoroethylene-co-(perfluoroalkyl vinyl ether)], also known as perfluoroalkoxy polymer (PFA), causes microstructural and chemical changes. These changes are essential to understand PFA as a tribological material. Tribological (friction and wear)… read more here.

Keywords: pfa wear; tetrafluoroethylene perfluoroalkyl; perfluoroalkyl vinyl; poly tetrafluoroethylene ... See more keywords