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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 234 for “"PCL"”.
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Investigation of PCL/Bioactive Glass and PCL/Alumina-Toughened Zirconia Composites for Bone Tissue Engineering
L'abstract è presente nell'allegato / the abstract is in the attachment
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MR Findings of Chronic PCL Tear of the Knee Joint: Comparison of Acute and Chronic PCL Tears.
PURPOSE: Chronic PCL tear is a type of injury that remained untreated in a significant period after trauma. It sometimes is overlooked on physical examination or MRI due to fibrosis or synovialization along the ligament. The purpose of this study is to describe the imaging findings characterizing …
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Dissolution and Biokinetics of PCL in Denitrification Systems
… investigates the potential of polycaprolactone (PCL), a biodegradable polymer, as a sustainable solid-phase carbon source for wastewater denitrification. Laboratory experiments examined the effects of temperature, bead mass, solvent type, hydraulic retention time, and bead reuse on PCL …
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Psychopathy and Gender of Serial Killers: A Comparison Using the PCL-R.
… from Hare's Psychopathy Checklist Revised (PCL-R, 1991). A content analysis was performed to score the components for each subject, using known and accepted biographical and personal interview materials. Findings showed a distinct difference between the sexes, with females scoring lower than …
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In vitro and in vivo assessments of PCL-TCP composites for bone tissue engineering
… into polymer composites for better substitutes. PCL-TCP composites have demonstrated excellent biocompatibility, degradation profile and ability to incorporate cells and growth factors in both in vitro and in vivo model. The main aim in this thesis is to further evaluate and improve on the …
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Significance of pH and pCl in heavy metal ion reactions and mercury (II) adsorption by soil materials
… was with kaolinite. Equilibrium pH and pCl measurements indicate that Hg(OH)₂° was the main species present. Lower adsorption by kaolinite could not be assigned solely to clay difference since the proportion of HgCl₂° in the equilibrium solution was higher than for the other two clays. …
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MICRO-CT EVALUATION OF MSC/HUVEC/HSC-MEDIATED ANGIOGENESIS IN LARGE PCL-ßTCP CONSTRUCTS IMPLANTED IN NUDE MICE
… of microvascular networks in a biocompatible PCL-ßTCP hybrid scaffold in an immuno-compromised nude mouse. The PCL-ßTCP scaffold (30% PCL: 70% ßTCP; 70% porosity) with interconnected open pores was fabricated in 6x6x6mm cubes. They were seeded with human mesenchymal stem cells (MSCs) plus …
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Characterization and development of polycaprolactone (PCL)/montmorillonite (MMT)/hydroxapaptite (HA) nano-composites for fused deposition modelling (FDM) process
… (FDM) was investigated. The polycaprolactone (PCL) filled montmorillonite (MMT) and Hydroxyapaptite (HA) composites were prepared by melting and compounding using a single screw extruder. The mechanical properties were assessed by tensile, flexural and charpy impact tests while the thermal …
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Efecto de un prebiótico PCL (Pared Celular de Levadura) -Glucano, sobre el comportamiento productivo de pollos de engorde.
… derivado de paredes celulares de levadura (PCL-Glucano) sobre el comportamiento productivo de pollos de engorde. Se utilizaron 245 aves de un día de edad (estirpe Cobb 500), los cuales fueron distribuidos mediante un diseño completamente al azar en cinco tratamientos con siete repeticiones …
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Osteogenic and chondrogenic differentiation of rat bone marrow stromal cells in 3D culture with novel PCL-TCP scaffolds
… of rat bone marrow stromal cells (BMSC) in 3D PCL-TCP scaffolds. PCL-TCP scaffolds fabricated by fused deposition modeling (FDM), are honeycombed, highly reproducible bioresorbable 3D structures with a completely interconnected pore network and custom-tailored porosity and pore size. After …
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Detailed item analyses of the Postraumatic Stress Disorder Checklist for DSM-5 (PCL-5): Use in public safety personnel
… care. The PTSD Checklist – Version 5 (PCL-5) is a commonly used PTSD screening tool. A recent study (Shields et al., 2017) using the PCL-5 evidenced approximately 30% of paramedics would have screened positively for PTSD based on their self-reported symptoms, but did not because none …
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Nanoscale Confinement Effects on Poly(ε-Caprolactone) Crystallization at the Air/Water Interface & Surfactant Interactions with Phospholipid Bilayers
… confinement effects on poly(ε-caprolactone) (PCL) crystallization were probed through crystallization studies of PCL-b-poly(tert-butyl acrylate) (PCL-b-PtBA) copolymers, PCL with bulky tri-tert-butyl ester endgroups (PCL triesters), PCL with triacid end groups (PCL triacids), and magnetic …
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Phase Behavior of Poly(Caprolactone) Based Polymer Blends As Langmuir Films at the Air/Water Interface
Poly (caprolactone) (PCL) has been widely studied as a model system for investigating polymer crystallization. In this thesis, PCL crystallization along with other phase transitions in PCL-based polymer blends are studied as Langmuir films at the air/water (A/W) interface. In order to understand …
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DESIGN AND SYNTHESIS OF BLOCK COPOLYMERS THAT SELF ASSEMBLE INTO MICELLES WITH CONTROLLED ACID AND LIPASE CATALYZED DEGRADATION
… (ε-caprolactone) block poly (ethylene glycol) (PCL-b-PEG) is typical amphiphilic block copolymer that self assembles into micelles in water where the hydrolytically stable hydrophilic PEG segment forms the exterior corona and the core contains the hydrophobic degradable PCL block. Micelles from …
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Surface Characterization of Poly (epsilon-caprolactone) at the Air/Water Interface
Surface behavior of poly (epsilon-caprolactone) (PCL) have been studied at the air/water interface (A/W). PCL is a hydrophobic and crystalline polyester with a glass transition temperature around -60 degrees centigrade, a melting point around 55 degrees centigrade, excellent biocompatibility, and …
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The effectiveness of cognitive processing therapy and prolonged exposure in the Department of Veterans Affairs.
… measured by total scores on the PTSD Checklist (PCL). This study involved a retrospective review of 2,030 charts. 750 veterans from 10 U.S. states who received CPT or PE in individual psychotherapy from the Veterans Health Administration were included in the study (N participants in CPT = 376; N …
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A climatology of the stratospheric temperature using purple crow raman lidar
The Purple Crow Lidar (PCL) is located at the Delaware Observatory (42° 52 N, 81° 23* W, 225 m elevation above sea level) near the campus of The University of Western Ontario. It consists of large power-aperture product monostatic laser radar which can measure temperature in the stratosphere. …
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Tissue engineering of co-cultured skin substitutes using biocomposite membranes based on collagen and polycaprolactone
The preparation and characterisation of collagen: PCL, gelatin: PCL and gelatin/collagen:PCL biocomposites for manufacture of tissue engineered skin substitutes are reported. Films of collagen: PLC, gelatin: PCL (1:4, 1:8 and 1:20 w/w) and gelatin/collagen:PCL (1:8 and 1:20 w/w) biocomposites were …
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Bioactive Cellulose Nanocrystal Reinforced 3D Printable Poly(epsilon-caprolactone) Nanocomposite for Bone Tissue Engineering
… polymers, such as poly(epsilon-caprolactone) (PCL) in bone tissue engineering applications. This research investigates the potential use of cellulose nanocrystals (CNCs) as multi-functional additives that enhance the mechanical properties and increase the biomineralization rate of PCL. To this …
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