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https://www.readbyqxmd.com/read/28098281/thermodynamic-stability-of-stoichiometric-lafeo3-and-bifeo3-a-hybrid-dft-study
#1
Eugene Heifets, Eugene A Kotomin, Alexander A Bagaturyants, Joachim Maier
BiFeO3 perovskite attracts great attention due to its multiferroic properties and potential use as a parent material for Bi1-xSrxFeO3-δ and Bi1-xSrxFe1-yCoyO3-δ solid solutions in intermediate temperature cathodes of oxide fuel cells. Another iron-based LaFeO3 perovskite is the end member for well-known solid solutions (La1-xSrxFe1-yCoyO3-δ) used for oxide fuel cells and other electrochemical devices. In this study an ab initio hybrid functional approach was used for the study of the thermodynamic stability of both LaFeO3 and BiFeO3 with respect to decompositions to binary oxides and to elements, as a function of temperature and oxygen pressure...
January 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28097595/dependence-of-z-parameter-for-tensile-strength-of-multi-layered-interphase-in-polymer-nanocomposites-to-material-and-interphase-properties
#2
Yasser Zare, Kyong Yop Rhee
In this work, the Z interphase parameter which determines the tensile strength of interphase layers in polymer nanocomposites is presented as a function of various material and interphase properties. In this regard, the simple Pukanszky model for tensile strength of polymer nanocomposites is applied and the dependency of Z to different characteristics of constituents and interphase are illustrated by contour plots. The interphase strength (σ i) and B interfacial parameter in Pukanszky model show direct links with Z parameter...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28096110/bra-sizing-and-the-plastic-surgery-herd-effect-are-breast-augmentation-patients-getting-accurate-information
#3
Christopher R Costa, Kevin H Small, William P Adams
BACKGROUND: Bra sizing is a common method to preoperatively select implants for breast augmentation; however, no series has analyzed the accuracy of this modality postoperatively. Alternatively, previous investigations have validated the accuracy and utility of three-dimensional (3D) imaging for preoperative simulation in breast augmentation. OBJECTIVES: This investigation utilizes 3D analysis to determine if preoperative bra sizing provides equivocal information compared to surgical 3D simulation for patient education and planning prior to a breast augmentation...
January 17, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28095576/facial-contouring-with-fillers-neuromodulators-and-lipolysis-to-achieve-a-natural-look-in-patients-with-facial-fullness
#4
Chytra Anand
BACKGROUND: The desire for and use of nonsurgical injectable esthetic facial treatments is on a rise in Asia. Recent advances, including more versatile facial fillers, refined injection techniques, and adoption of a global facial approach, have in turn contributed to improved patient outcomes and increased patient satisfaction. The sought after nonsurgical treatments include the use of botulinum toxin, con- touring of the face with soft tissue fillers, and thinning of the face with injection lipolysis...
December 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28095554/-hands-free-noninvasive-body-contouring-devices-review-of-effectiveness-and-patient-satisfaction
#5
Suneel Chilukuri, Gregory Mueller
The demand for body contouring is increasing rapidly and has generated the need for a variety of non-invasive body contouring devices. This review concentrates on three popular "hands-free" body contouring devices and analyzes their mechanism of action, as well as their evidence of safety and ef cacy. It also addresses some issues of usability from both the operators' and patients' point of view. <em>J Drugs Dermatol. 2016;15(11):1402-1406.</em>.
November 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28095547/prospective-internally-controlled-blind-reviewed-clinical-evaluation-of-cryolipolysis-combined-with-multipolar-radiofrequency-andvaripulsetechnology-for-enhanced-subject-results-in-circumferential-fat-reduction-and-skin-laxity-of-the-flanks
#6
Julius Few, Michael Gold, Neil Sadick
BACKGROUND: Increasing demand for non-invasive skin tightening and body contouring procedures has led to several technological in- novations in energy-based devices such as ultrasound, radiofrequency and cryolipolysis. An emerging trend in the eld is to evaluate whether combination therapies for skin laxity/body contouring using energy-based devices can deliver superior clinical results and patient satisfaction. As such, the objective of this prospective, internal-controlled, blind clinical study was to assess the safety and efficacy of cryolipolysis followed by multipolar radiofrequency with pulsed electromagnetic elds (PEMF) and adjustable pulsed suction for the treatment of skin laxity in the flanks...
November 1, 2016: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28095536/improved-neocollagenesis-and-skin-mechanical-properties-after-injection-of-diluted-calcium-hydroxylapatite-in-the-neck-and-de%C3%AC-colletage-a-pilot-study
#7
Yana Alexandrovna Yutskovskaya, Evgeniya Alexandrovna Kogan
BACKGROUND: Calcium hydroxylapatite (CaHA; Radiesse (R)) provides safe and effective correction of moderate-to-deep lines, volume replacement, lift and contour, and induction of neocollagenesis and neoelastogenesis for improved skin quality. CaHA hyperdilution takes advantage of its skin-tightening properties without a volumizing effect. OBJECTIVE: To evaluate the collagen- and elastin-stimulating effects of diluted CaHA in subjects with skin laxity in the neck and décolletage...
January 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28095535/a-systematic-review-of-paradoxical-adipose-hyperplasia-pah-post-cryolipolysis
#8
Derek Ho, Jared Jagdeo
BACKGROUND: Body sculpting, or body contouring, is among the fastest growing areas in cosmetic dermatology. Cryolipolysis, or "fat freezing," was FDA-cleared (CoolSculpting System, ZELTIQ Aesthetics, Pleasanton, CA) initially in 2010 for fat removal of the anks, and subsequently received FDA-clearance for other anatomical locations. Over the past several years, there have been increasing published reports and physician discussion regarding paradoxical adipose hyperplasia (PAH) post-cryolipolysis, previously identified as a "rare" adverse effect...
January 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28095533/neck-contouring-and-treatment-of-submental-adiposity
#9
W Walsh Thomas, Jason D Bloom
There have been many recent and significant innovations to the cosmetic physician's repertoire for addressing excess submental fat and improving patients' neck contour. These new techniques include submental cryolipolysis, injectable chemical lipolysis, percutaneous radiofrequency, laser techniques, and liposuction with or without laser or power assistance. These modalities range from completely non-invasive to surgical procedures. Each technique has its own unique advantages, and limitations and as such, aesthetic practitioners should be familiar with the various indications to use each technique...
January 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28095532/1060-nm-diode-hyperthermic-laser-lipolysis-the-latest-in-non-invasive-body-contouring
#10
Laura Schilling, Nazanin Saedi, Robert Weiss
Non-invasive body contouring is becoming increasingly popular in the United States. Using the 1060 nm diode laser to achieve hyperthermic temperatures within the adipose tissue with subsequent lipolysis is one of the most recent advancements in this field and is the first of its kind. This wavelength was carefully chosen to effectively target the unwanted adipocytes while sparing the overlying skin and adnexae. Appreciable results are achieved after a single treatment, and these results are comparable to other non-invasive technologies...
January 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28095531/future-applications-of-deoxycholic-acid-in-body-contouring
#11
Jonathan M Sykes, Amir Allak, Brian Klink
Deoxycholic acid (KybellaTM, Allergan Pharmaceuticals, Irvine, CA) is a novel injectable treatment used for the cosmetic reduction of redundant submental fat. By inducing adipose cell lysis, the soft tissue alteration induces subsequent contour change and sharpening of the cervicomental angle.The safety and efficacy have been well established in several prospective clinical trials and subsequent FDA approval for this purpose. This has provided an effective and less invasive alternative to surgical liposuction with virtually no recovery time and less overall discomfort...
January 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28095486/three-dimensional-assessment-of-temporomandibular-joint-using-mri-cbct-image-registration
#12
Mohammed A Q Al-Saleh, Kumaradevan Punithakumar, Manuel Lagravere, Pierre Boulanger, Jacob L Jaremko, Paul W Major
PURPOSE: To introduce a new approach to reconstruct a 3D model of the TMJ using magnetic resonance imaging (MRI) and cone-beam computed tomography (CBCT) registered images, and to evaluate the intra-examiner reproducibility values of reconstructing the 3D models of the TMJ. METHODS: MRI and CBCT images of five patients (10 TMJs) were obtained. Multiple MRIs and CBCT images were registered using a mutual information based algorithm. The articular disc, condylar head and glenoid fossa were segmented at two different occasions, at least one-week apart, by one investigator, and 3D models were reconstructed...
2017: PloS One
https://www.readbyqxmd.com/read/28093860/monolithic-implant-supported-lithium-disilicate-ls2-crowns-in-a-complete-digital-workflow-a-prospective-clinical-trial-with-a-2-year-follow-up
#13
Tim Joda, Marco Ferrari, Urs Brägger
BACKGROUND: The technical development of digital processing allows the production of anatomically full-contoured implant-supported restorations. PURPOSE: The aim of this prospective clinical trial was to analyze the treatment concept of monolithic lithium disilicate (LS2) single-unit restorations in a complete digital workflow. MATERIAL AND METHODS: Forty-four patients were restored with 50 screw-retained monolithic implant LS2 crowns bonded to pre-fabricated titanium abutments on soft tissue level implants (Institut Straumann AG, Basel, Switzerland) in premolar and molar sites...
January 16, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28092513/automatic-nuclear-segmentation-using-multi-scale-radial-line-scanning-with-dynamic-programming
#14
Hongming Xu, Cheng Lu, Richard Berendt, Naresh Jha, Mrinal Mandal
In the diagnosis of various cancers by analyzing histological images, automatic nuclear segmentation is an important step. However, nuclear segmentation is a difficult problem because of overlapping nuclei, inhomogeneous staining, and presence of noisy pixels and other tissue components. In this paper, we present an automatic technique for nuclear segmentation in skin histological images. The proposed technique first applies a bank of generalized Laplacian of Gaussian (gLoG) kernels to detect nuclear seeds...
January 9, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28091565/-18-f-flt-and-18-f-fdg-pet-ct-in-predicting-response-to-chemoradiotherapy-in-nasopharyngeal-carcinoma-preliminary-results
#15
Shi Qi, Yang Zhongyi, Zhang Yingjian, Hu Chaosu
The purpose of this study was to explore the feasibility of (18)F-Fluorothymidine ((18)F-FLT) and (18)F-Fluorodeoxyglucose ((18)F-FDG) positron emission tomography/computed tomography (PET/CT) in predicting treatment response of nasopharyngeal carcinoma (NPC). Patients with NPC of Stage II-IVB were prospectively enrolled, receiving 2 cycles of neoadjuvant chemotherapy (NACT), followed by concurrent chemoradiotherapy. Each patient underwent pretreatment and post-NACT FLT PET/CT and FDG PET/CT. Standard uptake values (SUV) and tumor volume were measured...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28089598/impact-of-focused-intraoperative-transthoracic-echocardiography-by-anesthesiologists-on-management-in-hemodynamically-unstable-high-risk-noncardiac-surgery-patients
#16
Thomas Kratz, Thorsten Steinfeldt, Maik Exner, Marco Campo Dell Orto, Nina Timmesfeld, Caroline Kratz, Martin Skrodzki, Hinnerk Wulf, Martin Zoremba
OBJECTIVES: Focused transthoracic echocardiography (TTE) is used perioperatively for surgical patients. Intraoperative application of TTE is feasible, but its benefits remain unclear. The intention of this study was to investigate the effect of intraoperative TTE on the management of high-risk noncardiac surgery patients. DESIGN: A prospective interventional study. SETTING: Single-center university hospital. PARTICIPANTS: Fifty consecutive hemodynamically unstable high-risk patients anesthetized for noncardiac surgery...
November 2, 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28089481/recommendations-for-mri-based-contouring-of-gross-tumor-volume-and-organs-at-risk-for-radiation-therapy-of-pancreatic-cancer
#17
H D Heerkens, W A Hall, X A Li, P Knechtges, E Dalah, E S Paulson, C A T van den Berg, G J Meijer, E J Koay, C H Crane, K Aitken, M van Vulpen, B A Erickson
PURPOSE: Local recurrence is a common and morbid event in patients with unresectable pancreatic adenocarcinoma. A more conformal and targeted radiation dose to the macroscopic tumor in nonmetastatic pancreatic cancer is likely to reduce acute toxicity and improve local control. Optimal soft tissue contrast is required to facilitate delineation of a target and creation of a planning target volume with margin reduction and motion management. Magnetic resonance imaging (MRI) offers considerable advantages in optimizing soft tissue delineation and is an ideal modality for imaging and delineating a gross tumor volume (GTV) within the pancreas, particularly as it relates to conformal radiation planning...
October 17, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28089480/deep-inspiration-breath-hold-produces-a-clinically-meaningful-reduction-in-ipsilateral-lung-dose-during-locoregional-radiation-therapy-for-some-women-with-right-sided-breast-cancer
#18
Jessica L Conway, Leigh Conroy, Lindsay Harper, Marie Scheifele, Haocheng Li, Wendy L Smith, Tannis Graham, Tien Phan, Ivo A Olivotto
PURPOSE: The goal of the work described here was to determine whether deep inspiration breath-hold (DIBH) produces a clinically meaningful reduction in pulmonary dose compared with free breathing (FB) during locoregional radiation for right-sided breast cancer. METHODS AND MATERIALS: Four-field, modified-wide tangent plans with full nodal coverage were developed for 30 consecutive patients on paired DIBH and FB CT scans. Nodes were contoured according to European Society for Radiotherapy and Oncology guidelines...
October 19, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28089390/quantitative-evaluation-of-the-in-vivo-vocal-fold-medial-surface-shape
#19
Andrew M Vahabzadeh-Hagh, Zhaoyan Zhang, Dinesh K Chhetri
OBJECTIVES/HYPOTHESIS: Glottal insufficiency is a common clinical problem in otolaryngology and medialization laryngoplasty (ML) procedures remain the primary treatment modality. Although the goal of ML is to restore physiologic glottal posture and achieve optimal phonation, this posture has not been directly measured. In this study, we assessed glottal medial surface contour changes with selective activation of the intrinsic laryngeal muscles (ILMs). STUDY DESIGN: Basic science study using an in vivo canine hemilarynx model...
January 12, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28088923/an-assessment-of-the-influence-of-macronutrients-on-growth-performance-and-nutrient-utilisation-in-broiler-chickens-by-nutritional-geometry
#20
Sonia Y Liu, Peter H Selle, David Raubenheimer, David J Cadogan, Stephen J Simpson, Aaron J Cowieson
The right-angled triangle mixture experiment was designed to include fourteen diets with different concentrations of starch, protein and lipid. Experimental diets were offered to male Ross 308 broiler chickens from 10 to 23 d after hatching, and response curves and surfaces were generated to illustrate the influence of macronutrients on growth performance and nutrient utilisations. Despite the primary function of macronutrients, especially protein, may not be providing energy, macronutrients were expressed as energy derived from starch, protein and fat for statistical purposes in the mixture design...
December 2016: British Journal of Nutrition
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