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https://www.readbyqxmd.com/read/28334693/fabrication-of-human-hair-keratin-jellyfish-collagen-eggshell-derived-hydroxyapatite-osteoinductive-biocomposite-scaffolds-for-bone-tissue-engineering-from-waste-to-regenerative-medicine-products
#1
Yavuz Emre Arslan, Tugba Sezgin Arslan, Burak Derkus, Emel Emregul, Kaan C Emregul
In the present study, we aimed at fabricating an osteoinductive biocomposite scaffold using keratin obtained from human hair, jellyfish collagen and eggshell-derived nano-sized spherical hydroxyapatite (nHA) for bone tissue engineering applications. Keratin, collagen and nHA were characterized with the modified Lowry method, free-sulfhydryl groups and hydroxyproline content analysis, sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), attenuated total reflectance-fourier transform infrared spectroscopy (ATR-FTIR) and thermal gravimetric analysis (TGA) which confirmed the success of the extraction and/or isolation processes...
March 18, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28325124/effects-of-obstetric-gel-on-the-process-and-duration-of-labour-in-pregnant-women-randomised-controlled-trial
#2
Mehmet Murat Seval, Tuncay Yüce, Betül Yakıştıran, Yavuz Emre Şükür, Batuhan Özmen, Cem Atabekoğlu, Acar Koç, Feride Söylemez
The present study investigated maternal and neonatal outcomes in pregnant women who used obstetric lubricant gels during active labour. This prospective randomised controlled study included 180 pregnant women. Women were randomly assigned to two groups during the first-stage of labour. Pregnant women in the obstetric gel group received standard antepartum care plus vaginal application of obstetric gel. Women in the control group received standard antepartum care without obstetric gel. Mean duration of the second stage of labour was significantly shorter in the obstetric gel group than control group (45 ± 34 min vs...
March 21, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28288618/discrepancies-between-perceptions-of-students-and-deans-regarding-the-consequences-of-restricting-students-use-of-electronic-medical-records-on-quality-of-medical-education
#3
Ivan Solarte, Karen D Könings
BACKGROUND: Electronic medical records (EMR) are more used in university hospitals, but the use of EMR by medical students at the workplace is still a challenge, because the conflict of interest between medical accountability for hospitals and quality of medical education programs for students. Therefore, this study investigates the use of EMR from the perspective of medical school deans and students, and determines their perceptions and concerns about consequences of restricted use of EMR by students on quality of education and patient care...
March 13, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28286475/neural-networks-for-time-perception-and-working-memory
#4
Sertaç Üstün, Emre H Kale, Metehan Çiçek
Time is an important concept which determines most human behaviors, however questions remain about how time is perceived and which areas of the brain are responsible for time perception. The aim of this study was to evaluate the relationship between time perception and working memory in healthy adults. Functional magnetic resonance imaging (fMRI) was used during the application of a visual paradigm. In all of the conditions, the participants were presented with a moving black rectangle on a gray screen. The rectangle was obstructed by a black bar for a time period and then reappeared again...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28283485/quit-emr-trial-a-prospective-observational-multicentre-study-to-evaluate-quality-and-24%C3%A2-hours-post-transport-morbidity-of-interhospital-transportation-of-critically-ill-patients-study-protocol
#5
Ulrich Strauch, Dennis C J J Bergmans, Joachim Habers, Jochen Jansen, Bjorn Winkens, Dirk J Veldman, Paul M H J Roekaerts, Stefan K Beckers
INTRODUCTION: It is widely accepted that transportation of critically ill patients is high risk. Unfortunately, however, there are currently no evidence-based criteria with which to determine the quality of various interhospital transport systems and their impact on the outcomes for patients. We aim to rectify this by assessing 2 scores which were developed in our hospital in a prospective, observational study. Primarily, we will be examining the Quality of interhospital critical care transportation in the Euregion Meuse-Rhine (QUIT EMR) score, which focuses on the quality of the transport system, and secondarily the SEMROS (Simplified EMR outcome score) which detects changes in the patient's clinical condition in the 24 hours following their transportation...
March 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28268937/csdc-a-nationwide-screening-platform-for-stroke-control-and-prevention-in-china
#6
Jinghui Yu, Huajian Mao, Mei Li, Dan Ye, Dongsheng Zhao
As a leading cause of severe disability and death, stroke places an enormous burden on Chinese society. A nationwide stroke screening platform called CSDC (China Stoke Data Center) has been built to support the national stroke prevention program and stroke clinical research since 2011. This platform is composed of a data integration system and a big data analysis system. The data integration system is used to collect information on risk factors, diagnosis history, treatment, and sociodemographic characteristics and stroke patients' EMR...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268855/the-effects-of-deep-network-topology-on-mortality-prediction
#7
Hao Du, Mohammad M Ghassemi, Mengling Feng
Deep learning has achieved remarkable results in the areas of computer vision, speech recognition, natural language processing and most recently, even playing Go. The application of deep-learning to problems in healthcare, however, has gained attention only in recent years, and it's ultimate place at the bedside remains a topic of skeptical discussion. While there is a growing academic interest in the application of Machine Learning (ML) techniques to clinical problems, many in the clinical community see little incentive to upgrade from simpler methods, such as logistic regression, to deep learning...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268823/prediction-using-patient-comparison-vs-modeling-a-case-study-for-mortality-prediction
#8
Mark Hoogendoorn, Ali El Hassouni, Kwongyen Mok, Marzyeh Ghassemi, Peter Szolovits
Information in Electronic Medical Records (EMRs) can be used to generate accurate predictions for the occurrence of a variety of health states, which can contribute to more pro-active interventions. The very nature of EMRs does make the application of off-the-shelf machine learning techniques difficult. In this paper, we study two approaches to making predictions that have hardly been compared in the past: (1) extracting high-level (temporal) features from EMRs and building a predictive model, and (2) defining a patient similarity metric and predicting based on the outcome observed for similar patients...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28261529/application-of-queueing-theory-to-the-analysis-of-changes-in-outpatients-waiting-times-in-hospitals-introducing-emr
#9
Kyoung Won Cho, Seong Min Kim, Young Moon Chae, Yong Uk Song
OBJECTIVES: This research used queueing theory to analyze changes in outpatients' waiting times before and after the introduction of Electronic Medical Record (EMR) systems. METHODS: We focused on the exact drawing of two fundamental parameters for queueing analysis, arrival rate (λ) and service rate (µ), from digital data to apply queueing theory to the analysis of outpatients' waiting times. We used outpatients' reception times and consultation finish times to calculate the arrival and service rates, respectively...
January 2017: Healthcare Informatics Research
https://www.readbyqxmd.com/read/28258471/evaluation-of-effectiveness-of-concentrated-growth-factor-on-osseointegration
#10
Cagasan Pirpir, Onur Yilmaz, Celal Candirli, Emre Balaban
BACKGROUND: Growth factor-containing products have been reported to increase implant stability and accelerate osseointegration. Concentrated growth factor (CGF) can be used for this purpose with the growth factors it contains. The aim of this study is to assess the effect of CGF on implant stability and osseointegration. METHODS: Twelve patients with maxillary anterior toothless were included in the study. Implant cavities prepared in the study group were covered with CGF membrane before implant placement, but conventional implant placement was performed in the control group...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28250907/the-impact-of-the-introduction-of-formalised-polypectomy-assessment-on-training-in-the-uk
#11
Kinesh Patel, Omar Faiz, Matt Rutter, Paul Dunckley, Siwan Thomas-Gibson
OBJECTIVE: The aim was to describe the impact on polypectomy experience by the mandatory introduction of the Directly Observed Polypectomy Skills tool (DOPyS) and electronic portfolio as part of the formal colonoscopy certification process. DESIGN: Applications for colonoscopy certification in the UK in the year prior to the introduction of DOPyS were analysed retrospectively and compared with data collected prospectively for those in the following year. SETTING: UK National Health Service...
April 2017: Frontline Gastroenterology
https://www.readbyqxmd.com/read/28230589/effects-of-local-and-systemic-zoledronic-acid-application-on-titanium-implant-osseointegration-an-experimental-study-conducted-on-two-surface-types
#12
Serkan Dundar, Ferhan Yaman, Orhan Gecor, Omer Cakmak, Mustafa Kirtay, Tuba Talo Yildirim, Tahir Karaman, Mehmet Emre Benlidayi
The aim of this study was to evaluate the effects of local and systemic zoledronic acid (ZA) applications on titaniumoksit ceramic blasted (TiO-CB)- and sandblasted large acid-grit (SLA)-surfaced titanium implant osseointegration. Twelve New Zealand White rabbits were used in the study, divided into 6 groups: the TiO-CB (TiO-CB-CNT) (n = 2) and SLA (SLA-CNT) (n = 2) control groups in which TiO-CB- and SLA-surfaced titanium implants were surgically inserted into rabbit tibias but no treatment was applied; the TiO-CB (TiO-CB-LZA) (n = 2) and SLA (SLA-LZA) (n = 2) local ZA groups in which 1 mL of normal saline solution containing 2 mg of ZA was injected into sockets and after this the implants were integrated; and the TiO-CB (TiO-CB-SZA) (n = 2) and SLA (SLA-SZA) (n = 2) systemic ZA groups in which a single infusion of 0...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28230047/electrically-tunable-artificial-gauge-potential-for-polaritons
#13
Hyang-Tag Lim, Emre Togan, Martin Kroner, Javier Miguel-Sanchez, Atac Imamoğlu
Neutral particles subject to artificial gauge potentials can behave as charged particles in magnetic fields. This fascinating premise has led to demonstrations of one-way waveguides, topologically protected edge states and Landau levels for photons. In ultracold neutral atoms, effective gauge fields have allowed the emulation of matter under strong magnetic fields leading to realization of Harper-Hofstadter and Haldane models. Here we show that application of perpendicular electric and magnetic fields effects a tunable artificial gauge potential for two-dimensional microcavity exciton polaritons...
February 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28227143/csdc-a-nationwide-screening-platform-for-stroke-control-and-prevention-in-china
#14
Jinghui Yu, Huajian Mao, Mei Li, Dan Ye, Dongsheng Zhao, Jinghui Yu, Huajian Mao, Mei Li, Dan Ye, Dongsheng Zhao, Dan Ye, Huajian Mao, Mei Li, Dongsheng Zhao, Jinghui Yu
As a leading cause of severe disability and death, stroke places an enormous burden on Chinese society. A nationwide stroke screening platform called CSDC (China Stoke Data Center) has been built to support the national stroke prevention program and stroke clinical research since 2011. This platform is composed of a data integration system and a big data analysis system. The data integration system is used to collect information on risk factors, diagnosis history, treatment, and sociodemographic characteristics and stroke patients' EMR...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227053/the-effects-of-deep-network-topology-on-mortality-prediction
#15
Hao Du, Mohammad M Ghassemi, Mengling Feng, Hao Du, Mohammad M Ghassemi, Mengling Feng, Mengling Feng, Hao Du, Mohammad M Ghassemi
Deep learning has achieved remarkable results in the areas of computer vision, speech recognition, natural language processing and most recently, even playing Go. The application of deep-learning to problems in healthcare, however, has gained attention only in recent years, and it's ultimate place at the bedside remains a topic of skeptical discussion. While there is a growing academic interest in the application of Machine Learning (ML) techniques to clinical problems, many in the clinical community see little incentive to upgrade from simpler methods, such as logistic regression, to deep learning...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227019/prediction-using-patient-comparison-vs-modeling-a-case-study-for-mortality-prediction
#16
Mark Hoogendoorn, Ali El Hassouni, Kwongyen Mok, Marzyeh Ghassemi, Peter Szolovits, Mark Hoogendoorn, Ali El Hassouni, Kwongyen Mok, Marzyeh Ghassemi, Peter Szolovits, Kwongyen Mok, Ali El Hassouni, Peter Szolovits, Marzyeh Ghassemi, Mark Hoogendoorn
Information in Electronic Medical Records (EMRs) can be used to generate accurate predictions for the occurrence of a variety of health states, which can contribute to more pro-active interventions. The very nature of EMRs does make the application of off-the-shelf machine learning techniques difficult. In this paper, we study two approaches to making predictions that have hardly been compared in the past: (1) extracting high-level (temporal) features from EMRs and building a predictive model, and (2) defining a patient similarity metric and predicting based on the outcome observed for similar patients...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28194453/a-paper-based-platform-for-detection-of-viral-rna
#17
Daohong Zhang, David Broyles, Eric A Hunt, Emre Dikici, Sylvia Daunert, Sapna K Deo
Viral detection presents a host of challenges for even the most sensitive analytical techniques, and the complexity of common detection platforms typically preclude portability. With these considerations in mind, we designed a paper microzone plate-based virus detection system for the detection of viral genetic material that can be performed with simple instruments. The sensing system can detect viral cDNA reverse-transcribed from total RNA extraction by utilizing a biotinylated capture probe and an Alexa Fluor® 647-labeled reporter probe...
February 27, 2017: Analyst
https://www.readbyqxmd.com/read/28186767/size-control-of-silver-core-silica-shell-nanoparticles-fabricated-by-laser-ablation-assisted-chemical-reduction
#18
Victor A Ermakov, Ernesto Jimenez-Villar, José Maria Clemente da Silva Filho, Emre Yassitepe, Naga Vishnu Vardhan Mogili, Fernando Iikawa, Gilberto Fernandes de Sá, Carlos Lenz Cesar, Francisco Chagas Marques
Aqueous colloidal silver nanoparticles have substantial potential in biological application as markers and antibacterial agents and in surface-enhanced Raman spectroscopy applications. A simple method of fabrication and encapsulation into an inert shell is of great importance today to make their use ubiquitous. Here we show that colloids of silver-core/silica-shell nanoparticles can be easily fabricated by a laser-ablation-assisted chemical reduction method and their sizes can be tuned in the range of 2.5 to 6...
February 20, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28181438/zero-dimensional-cs4pbbr6-perovskite-nanocrystals
#19
Yuhai Zhang, Makhsud I Saidaminov, Ibrahim Dursun, Haoze Yang, Banavoth Murali, Erkki Alarousu, Emre Yengel, Buthainah A Alshankiti, Osman M Bakr, Omar F Mohammed
Perovskite nanocrystals (NCs) have become leading candidates for solution-processed optoelectronics applications. While substantial work has been published on 3-D perovskite phases, the NC form of the zero-dimensional (0-D) phase of this promising class of materials remains elusive. Here we report the synthesis of a new class of colloidal semiconductor NCs based on Cs4PbBr6, the 0-D perovskite, enabled through the design of a novel low-temperature reverse microemulsion method with 85% reaction yield. These 0-D perovskite NCs exhibit high photoluminescence quantum yield (PLQY) in the colloidal form (PLQY: 65%), and, more importantly, in the form of thin film (PLQY: 54%)...
February 14, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28177227/molecular-structure-of-canonical-liquid-crystal-interfaces
#20
Monirosadat Sadati, Hadi Ramezani-Dakhel, Wei Bu, Emre Sevgen, Zhu Liang, Cem Erol, Mohammad Rahimi, Nader Taheri Qazvini, Binhua Lin, Nicholas L Abbott, Benoı T Roux, Mark L Schlossman, Juan J de Pablo
Numerous applications of liquid crystals rely on control of molecular orientation at an interface. However, little is known about the precise molecular structure of such interfaces. In this work, synchrotron X-ray reflectivity measurements, accompanied by large-scale atomistic molecular dynamics simulations, are used for the first time to reconstruct the air-liquid crystal interface of a nematic material, namely, 4-pentyl-4'-cyanobiphenyl (5CB). The results are compared to those for 4-octyl-4'-cyanobiphenyl (8CB) which, in addition to adopting isotropic and nematic states, can also form a smectic phase...
March 1, 2017: Journal of the American Chemical Society
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