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https://www.readbyqxmd.com/read/28210491/film-morphology-evolution-during-solvent-vapor-annealing-of-highly-efficient-small-molecule-donor-acceptor-blends
#1
Sebastian Engmann, Hyun Wook Ro, Andrew Herzing, Chad R Snyder, Lee J Richter, Paul B Geraghty, David J Jones
Solution-processable small molecule photovoltaics based on the novel molecular donor, benzodithiophene terthiophene rhodanine (BTR), recently have shown maximum power conversion efficiencies above 8 % for active layer thicknesses up to 400 nm, using post process solvent vapor annealing (SVA) with tetrahydrofuran (THF). Here we report an in-situ study on the morphology evolution during SVA using the moderate solvent THF and the good solvent chloroform (CF). The combination of real-time grazing incidence X-ray diffraction (GIXD) and grazing incidence small angle X-ray scattering (GISAXS) allows us to draw a complete picture of the evolution of crystallinity and phase purity during post process annealing...
October 28, 2016: Journal of Materials Chemistry. A, Materials for Energy and Sustainability
https://www.readbyqxmd.com/read/28210485/directional-bias-in-the-perception-of-cast-shadows
#2
Tomomi Koizumi, Hiroyuki Ito, Shoji Sunaga, Masaki Ogawa
Previous studies have demonstrated that the perception of shading is based upon assumptions about lighting direction, for example, light from above. However, it is not clear whether these assumptions are used in the perception of cast shadows. Moreover, it is unclear whether a perceptual interaction exists between shading and cast shadows because until now they have been studied separately. In this study, we investigated through three experiments whether the light-from-above (or another direction) assumption is used in interpreting ambiguous cast shadows, and whether shading information influences the interpretation of cast shadows...
January 2017: I-Perception
https://www.readbyqxmd.com/read/28209000/carrea-s-index-and-tooth-dimensions-an-avant-garde-in-stature-estimation-an-observational-study
#3
Rayapureddy Sruthi, Reddy Sudhakara Reddy, Nallakunta Rajesh, Koneru Jyothirmai, Madgula Preethi, Thungala Navya Teja
INTRODUCTION: Identifying victims in case of mass disasters when only human remains are present is quite a challenging task. Although other peripheral extremities of human body are used in estimating stature, in situations where only skull is available, teeth play an important role in personal identification. The present study used Carrea's index in stature estimation using tooth dimensions. AIM: This study is intended to correlate the anterior mandibular tooth dimensions with that of real stature using Carrea's index and also to know the applicability and validity of this index to the current study population...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208822/preparation-of-nanocellulose-reinforced-chitosan-films-cross-linked-by-adipic-acid
#4
Pouria Falamarzpour, Tayebeh Behzad, Akram Zamani
Adipic acid, an abundant and nontoxic compound, was used to dissolve and cross-link chitosan. After the preparation of chitosan films through casting technique, the in situ amidation reaction was performed at 80-100 °C as verified by Fourier transform infrared (FT-IR). The reaction was accompanied by the release of water which was employed to investigate the reaction kinetics. Accordingly, the reaction rate followed the first-order model and Arrhenius equation, and the activation energy was calculated to be 18 kJ/mol...
February 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208427/growing-complex-network-of-citations-of-scientific-papers-modeling-and-measurements
#5
Michael Golosovsky, Sorin Solomon
We consider the network of citations of scientific papers and use a combination of the theoretical and experimental tools to uncover microscopic details of this network growth. Namely, we develop a stochastic model of citation dynamics based on the copying-redirection-triadic closure mechanism. In a complementary and coherent way, the model accounts both for statistics of references of scientific papers and for their citation dynamics. Originating in empirical measurements, the model is cast in such a way that it can be verified quantitatively in every aspect...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28208250/simultaneous-voltammetric-determination-of-acetaminophen-and-isoniazid-hepatotoxicity-related-drugs-utilizing-bismuth-oxide-nanorod-modified-screen-printed-electrochemical-sensing-platforms
#6
Bahaa G Mahmoud, Mohamed Khairy, Farouk A Rashwan, Craig E Banks
To overcome the recent outbreaks of hepatotoxicity-related drugs, a new analytical tool for the continuously determination of these drugs in human fluids is required. Electrochemical-based analytical methods offer an effective, rapid, and simple tool for on-site determination of various organic and inorganic species. However, the design of a sensitive, selective, stable, and reproducible sensor is still a major challenge. In the present manuscript, a facile, one-pot hydrothermal synthesis of bismuth oxide (Bi2O2...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28207931/post-extraction-mesio-distal-gap-reduction-assessment-by-clsm-a-clinical-3-month-follow-up-study
#7
Ariadna García-Herraiz, Francisco Javier Silvestre, Rafael Leiva-García, Fortunato Crespo-Abril, José García-Antón
AIM: The aim of this three-month follow up study is to quantify the reduction in the mesio-distal gap dimension (MDGD) that occurs after tooth extraction through image analysis of three-dimensional images obtained with the CLSM technique. MATERIALS AND METHODS: Following tooth extraction, impressions of 79 patients one-month and 72 patients three-month after tooth extraction were obtained. Cast models were processed by CLSM and MDGD changes between time points were measured...
February 16, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28205495/facets-of-pantomime
#8
Georg Goldenberg
OBJECTIVES: Exploring the nature of defective pantomime in apraxia. METHODS: Critical review of behavioral associations and dissociations between defective pantomime, imitation of gestures, and real tool use. Analysis of congruencies between crucial lesions for pantomime, imitation, and tool use. RESULTS: There are behavioral double dissociations between pantomime and imitation, and their cerebral substrates show very little overlap. Whereas defective pantomime is bound to temporal and inferior frontal lesions, imitation is mainly affected by parietal lesions...
February 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28204847/retrospective-25-year-follow-up-of-treatment-outcomes-in-angle-class-iii-patients-success-versus-failure
#9
Brigitte Wendl, A Kamenica, H Droschl, N Jakse, F Weiland, T Wendl, M Wendl
OBJECTIVES: Despite recommendations for early treatment of hereditary Angle Class III syndrome, late pubertal growth may cause a relapse requiring surgical intervention. This study was performed to identify predictors of successful Class III treatment. MATERIALS AND METHODS: Thirty-eight Class III patients treated with a chincup were retrospectively analyzed. Data were collected from the data archive, cephalograms, and casts, including pretreatment (T0) and posttreatment (T1) data, as well as long-term follow-up data collected approximately 25 years after treatment (T2)...
February 15, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28203384/venous-haemodynamics-of-jet-impulse-technology-within-a-lower-limb-fibreglass-cast-a-randomized-controlled-trial
#10
Irene Braithwaite, Stephen Mackintosh, Samantha Buchanan, Kerstin Schwarzenlander, Bernadette De Ruyter
OBJECTIVES: We investigated popliteal venous haemodynamics of the VenaJet Jet Impulse Technology system within a below-knee fibreglass cast. DESIGN: Randomized controlled trial. PARTICIPANTS: Twenty-four healthy participants aged 18-54 had both feet placed within the Jet Impulse Technology system and were randomised for one or other leg to be within a below-knee fibreglass cast. SETTING: Pacific Radiology, Lower Hutt, Wellington...
February 2017: JRSM Open
https://www.readbyqxmd.com/read/28203010/-evaluation-of-production-and-clinical-working-time-of-computer-aided-design-computer-aided-manufacturing-cad-cam-custom-trays-for-complete-denture
#11
L Wei, H Chen, Y S Zhou, Y C Sun, S X Pan
OBJECTIVE: To compare the technician fabrication time and clinical working time of custom trays fabricated using two different methods, the three-dimensional printing custom trays and the conventional custom trays, and to prove the feasibility of the computer-aided design/computer-aided manufacturing (CAD/CAM) custom trays in clinical use from the perspective of clinical time cost. METHODS: Twenty edentulous patients were recruited into this study, which was prospective, single blind, randomized self-control clinical trials...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28203007/-diagnossis-and-treatment-of-complicated-anterior-teeth-esthetic-defects-by-combination-of-whole-process-digital-esthetic-rehabilitation-with-periodontic-surgery
#12
Z Li, Y S Liu, H Q Ye, Y S Liu, W J Hu, Y S Zhou
OBJECTIVE: To explore a new method of whole-process digital esthetic prosthodontic rehabilitation combined with periodontic surgery for complicated anterior teeth esthetic defects accompanied by soft tissue morphology, to provide an alternative choice for solving this problem under the guidance of three-dimensional (3D) printing digital dental model and surgical guide, thus completing periodontic surgery and digital esthetic rehabilitation of anterior teeth. METHODS: In this study, 12 patients with complicated esthetic problems accompanied by soft tissue morphology in their anterior teeth were included...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28202506/recurrent-patterns-of-dna-copy-number-alterations-in-tumors-reflect-metabolic-selection-pressures
#13
Nicholas A Graham, Aspram Minasyan, Anastasia Lomova, Ashley Cass, Nikolas G Balanis, Michael Friedman, Shawna Chan, Sophie Zhao, Adrian Delgado, James Go, Lillie Beck, Christian Hurtz, Carina Ng, Rong Qiao, Johanna Ten Hoeve, Nicolaos Palaskas, Hong Wu, Markus Müschen, Asha S Multani, Elisa Port, Steven M Larson, Nikolaus Schultz, Daniel Braas, Heather R Christofk, Ingo K Mellinghoff, Thomas G Graeber
Copy number alteration (CNA) profiling of human tumors has revealed recurrent patterns of DNA amplifications and deletions across diverse cancer types. These patterns are suggestive of conserved selection pressures during tumor evolution but cannot be fully explained by known oncogenes and tumor suppressor genes. Using a pan-cancer analysis of CNA data from patient tumors and experimental systems, here we show that principal component analysis-defined CNA signatures are predictive of glycolytic phenotypes, including (18)F-fluorodeoxy-glucose (FDG) avidity of patient tumors, and increased proliferation...
February 15, 2017: Molecular Systems Biology
https://www.readbyqxmd.com/read/28201962/preparation-and-optimization-of-fast-dissolving-film-of-naratriptan-hydrochloride
#14
Krishna D Koradia, Pradip T Sidhdhapara, Navin R Sheth
BACKGROUND AND OBJECTIVE: Naratriptan is second-generation triptan class of antimigraine drug which selectively bind with 5-HT(1B/1D) receptor. It is widely used to treat the migraine attack due to its better tolerability and lower recurrence rate as compared to other triptans. Despite of the applicability, Naratriptan also have several drawback like slow onset of action and fist pass metabolism which reduce its efficacy. In order to increase the efficacy of naratriptan fast dissolving film is prepared...
February 12, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/28201887/a-corresponding-states-analysis-of-the-liquid-vapor-equilibrium-properties-of-common-water-models
#15
Malte Fugel, Volker C Weiss
Many atomistic potential models have been proposed to reproduce the properties of real water and to capture as many of its anomalies as possible. The large number of different models indicates that this task is by no means an easy one. Some models are reasonably successful for various properties, while others are designed to account for only a very few specific features of water accurately. Among the most popular models are SPC/E, TIP4P, TIP4P/2005, TIP4P/Ice, and TIP5P-E. Here, we report the equilibrium properties of the liquid-vapor coexistence, such as the densities of the liquid phase and the vapor phase, the interfacial tension between them, and the vapor pressure at saturation...
February 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28199082/influence-of-solvent-on-the-structure-of-an-amphiphilic-block-copolymer-in-solution-and-in-formation-of-an-integral-asymmetric-membrane
#16
Maryam Radjabian, Clarissa Abetz, Birgit Fischer, Andreas Meyer, Volker Abetz
Nanoporous membranes with tailored size pores and multifunctionality derived from self-assembled block copolymers attract growing interest in ultrafiltration. The influence of the structure of block copolymer in the membrane casting solution on the formation of integral asymmetric isoporous block copolymer membranes using the nonsolvent induced phase separation process (NIPS) has been one of the long-standing questions in this research area. In this work we studied the principal role of the solvent on the micellization and self-assembly of asymmetric polystyrene-block-poly(4-vinylpyridine) (PS-b-P4VP) diblock copolymers by using a combination of dynamic light scattering (DLS) and small-angle X-ray scattering (SAXS)...
February 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28197988/in-vivo-and-in-vitro-degradation-comparison-of-pure-mg-mg-10gd-and-mg-2ag-a-short-term-study
#17
I Marco, A Myrissa, E Martinelli, F Feyerabend, R Willumeit-Römer, A M Weinberg, O Van der Biest
The purpose of this study was to compare short term in vitro and in vivo biodegradation studies with low purity Mg (> 99.94 %), Mg-10Gd and Mg-2Ag designed for biodegradable implant applications. Three in vitro testing conditions were applied, using (i) phosphate buffered saline (PBS), (ii) Hank's balanced salt solution (HBSS) and (iii) Dulbecco's modified eagle medium (DMEM) in 5 % CO2 under sterile conditions. Gas evolution and mass loss (ML) were assessed, as well as the degradation layer, by elemental mapping and scanning electron microscopy (SEM)...
February 13, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28196765/visual-illusion-of-tool-use-recalibrates-tactile-perception
#18
Luke E Miller, Matthew R Longo, Ayse P Saygin
Brief use of a tool recalibrates multisensory representations of the user's body, a phenomenon called tool embodiment. Despite two decades of research, little is known about its boundary conditions. It has been widely argued that embodiment requires active tool use, suggesting a critical role for somatosensory and motor feedback. The present study used a visual illusion to cast doubt on this view. We used a mirror-based setup to induce a visual experience of tool use with an arm that was in fact stationary...
February 11, 2017: Cognition
https://www.readbyqxmd.com/read/28196283/detection-of-human-parvovirus-b19-dna-in-22-of-1-815-cutaneous-biopsies-of-a-wide-variety-of-dermatologic-conditions-suggests-viral-persistence-after-primary-infection-and-casts-doubts-on-its-pathogenic-significance
#19
C Santonja, A Santos-Briz, G Palmedo, H Kutzner, L Requena
BACKGROUND: Human parvovirus B19 (B19V) has been associated with a number of dermatologic and systemic conditions, including myocarditis and autoimmune syndromes. OBJECTIVES: To determine the frequency of B19V deoxyribonucleic acid (DNA) detection in a large dermatopathology practice, and to characterize the histopathologic patterns involved. METHODS: We selected for polymerase chain reaction (PCR) detection of B19V a total of 1,815 skin biopsies pertaining to entities allegedly related to Parvovirus B19, as well as cases suspected clinically of representing paraviral exanthemas...
February 14, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28195983/management-of-the-relapsed-clubfoot-following-treatment-using-the-ponseti-method
#20
Pooya Hosseinzadeh, Derek M Kelly, Lewis E Zionts
The Ponseti method to treat idiopathic clubfoot deformity has proven to be reliable, and several centers have reported excellent outcomes. Although the method has been dependable in obtaining initial correction of the foot, relapse rates ranging from 26% to 48% have been reported. When a relapsed deformity is detected early, treatment with a short series of manipulations and cast applications followed by resumption of postcorrective bracing may be all that is required to regain and maintain correction. In patients aged >2...
March 2017: Journal of the American Academy of Orthopaedic Surgeons
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