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https://www.readbyqxmd.com/read/29322094/electrically-switchable-metadevices-via-graphene
#1
Osman Balci, Nurbek Kakenov, Ertugrul Karademir, Sinan Balci, Semih Cakmakyapan, Emre O Polat, Humeyra Caglayan, Ekmel Özbay, Coskun Kocabas
Metamaterials bring subwavelength resonating structures together to overcome the limitations of conventional materials. The realization of active metadevices has been an outstanding challenge that requires electrically reconfigurable components operating over a broad spectrum with a wide dynamic range. However, the existing capability of metamaterials is not sufficient to realize this goal. By integrating passive metamaterials with active graphene devices, we demonstrate a new class of electrically controlled active metadevices working in microwave frequencies...
January 2018: Science Advances
https://www.readbyqxmd.com/read/29288819/stem-cell-transplantation-and-informatics-current-considerations
#2
REVIEW
Roy B Jones, Charles Martinez, Navneet S Majhail, Matthew Prestegaard, Martin Maiers, Mitchell Horwitz, Krishna Komanduri
Informatics strategies and applications available to stem cell transplant (SCT) programs are diverse and changing rapidly. While most hospitals have electronic medical records (EMR), few are equipped with specialized SCT applications. Most EMR do not contain critical elements to support SCT practice and research. Strategies to optimize IT resources to support SCT programs are reviewed, and technical and workflow support are discussed. Guidance and rationale for the use of both SCT applications and EMR are emphasized...
December 27, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29280284/combined-effect-of-the-microstructure-and-underlying-surface-curvature-on-the-performance-of-biomimetic-adhesives
#3
Emre Kizilkan, Stanislav N Gorb
The importance of the geometry of the micro-/nanosized attachment elements for adhesive characteristics of gecko-inspired microstructured surfaces has been comprehensively discussed in recent years. Due to the complex hierarchical structure of these systems, they possess a broad range of adhesion control capabilities by either passive or active adaptability of their underlying structures to the specific substrate and/or behavioral situation. Here, the influence of macroscopic geometry of backing layers hosting biomimetic microstructured surfaces is examined...
December 27, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29218690/neoadjuvant-volumetric-modulated-arc-therapy-in-rectal-cancer-and-the-correlation-of-pathological-response-with-diffusion-weighted-mri-and-apoptotic-markers
#4
Necla Gurdal, Merdan Fayda, Nijat Alishev, Baris Bakir, Didem Tastekin, Faruk Aykan, Ugur Gezer, Emre Balik, Esra Kaytan Saglam, Ethem Nezih Oral, Mine Gulluoglu, Ahmet Kizir
PURPOSE: In this prospective observational study, we aimed to report the applicability and tolerability of neoadjuvant volumetric modulated arc therapy with simultaneous integrated boost (SIB-VMAT) and concurrent chemotherapy in patients with locally advanced rectal cancer (LARC), and to evaluate the correlation of pathological response with apparent diffusion coefficient (ADC) measurements on diffusion-weighted magnetic resonance imaging (DW-MRI) and apoptotic markers. METHODS: The study enrolled 30 patients with T3 to T4 and/or N+ rectal cancer who preoperatively received SIB-VMAT and concurrent chemotherapy...
December 6, 2017: Tumori
https://www.readbyqxmd.com/read/29215317/novel-application-and-serial-evaluation-of-tissue-engineered-portal-vein-grafts-in-a-murine-model
#5
Mark W Maxfield, Mitchel R Stacy, Hirotsugu Kurobe, Shuhei Tara, Tai Yi, Muriel A Cleary, Zhen W Zhuang, Manuel I Rodriguez-Davalos, Sukru H Emre, Yasuko Iwakiri, Toshiharu Shinoka, Christopher K Breuer
AIM: Surgical management of pediatric extrahepatic portal vein obstruction requires meso-Rex bypass using autologous or synthetic grafts. Tissue-engineered vascular grafts (TEVGs) provide an alternative, but no validated animal models using portal TEVGs exist. Herein, we preclinically assess TEVGs as portal vein bypass grafts. MATERIALS & METHODS: TEVGs were implanted as portal vein interposition conduits in SCID-beige mice, monitored by ultrasound and micro-computed tomography, and histologically assessed postmortem at 12 months...
December 7, 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/29211875/the-safety-and-efficacy-of-radiofrequency-ablation-following-endoscopic-submucosal-dissection-for-barrett-s-neoplasia
#6
S Subramaniam, K Kandiah, F Chedgy, P Meredith, G Longcroft-Wheaton, P Bhandari
The current standard of treating early Barrett's neoplasia is resection of visible lesions using endoscopic mucosal resection (EMR) followed by ablative therapy to the Barrett's segment. There is increasing evidence to support the use of endoscopic submucosal dissection (ESD) where en-bloc resection and lower recurrence rates may be achieved. However, ESD is associated with deep submucosal dissection when compared to EMR. This may increase the risk of complications including stricture formation with subsequent radiofrequency ablation (RFA) therapy...
December 2, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/29211351/application-of-fourier-transform-infrared-spectroscopy-to-biomolecular-profiling-of-cultured-fibroblast-cells-from-gaucher-disease-patients-a-preliminary-investigation
#7
Nasit Igci, Parisa Sharafi, Duygu Ozel Demiralp, Cemil Ozerk Demiralp, Aysel Yuce, Serap Dokmeci Emre
BACKGROUND: Gaucher disease (GD) is defined as an autosomal recessive disorder resulting from the deficiency of glucocerebrosidase (E.C. 3.2.1.45). Glucocerebrosidase is responsible for the degradation of glucosylceramide into ceramide and glucose. The deficiency of this enzyme results in the accumulation of undegraded glucosylceramide, almost exclusively in macrophages. With Fourier transform infrared (FTIR) spectroscopy, the complete molecular diversity of the samples can be studied comparatively and the amount of the particular materials can be determined...
October 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29196114/flexible-cluster-based-analysis-of-the-electronic-medical-record-of-sepsis-with-composite-mixture-models
#8
Michael B Mayhew, Brenden K Petersen, Ana Paula Sales, John D Greene, Vincent X Liu, Todd S Wasson
The widespread adoption of electronic medical records (EMRs) in healthcare has provided vast new amounts of data for statistical machine learning researchers in their efforts to model and predict patient health status, potentially enabling novel advances in treatment. In the case of sepsis, a debilitating, dysregulated host response to infection, extracting subtle, uncataloged clinical phenotypes from the EMR with statistical machine learning methods has the potential to impact patient diagnosis and treatment early in the course of their hospitalization...
November 28, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/29194676/extremely-high-frequency-electromagnetic-radiation-enhances-neutrophil-response-to-particulate-agonists
#9
Irina I Vlasova, Elena V Mikhalchik, Alexandr A Gusev, Nadezhda G Balabushevich, Sergey A Gusev, Konstantin D Kazarinov
The growing use of extremely high-frequency electromagnetic radiation (EHF EMR) in information and communication technology and in biomedical applications has raised concerns regarding the potential biological impact of millimeter waves (MMWs). Here, we elucidated the effects of MMW radiation on neutrophil activation induced by opsonized zymosan or E. coli in whole blood ex vivo. After agonist addition to blood, two samples were prepared. A control sample was incubated at ambient conditions without any treatment, and a test sample was exposed to EHF EMR (32...
November 30, 2017: Bioelectromagnetics
https://www.readbyqxmd.com/read/29188446/ichrcloud-web-mobile-based-child-health-imprints-for-smart-healthcare
#10
Harpreet Singh, Raghuram Mallaiah, Gautam Yadav, Nitin Verma, Ashu Sawhney, Samir K Brahmachari
Reducing child mortality with quality care is the prime-most concern of all nations. Thus in current IT era, our healthcare industry needs to focus on adapting information technology in healthcare services. Barring few preliminary attempts to digitalize basic hospital administrative and clinical functions, even today in India, child health and vaccination records are still maintained as paper-based records. Also, error in manually plotting the parameters in growth charts results in missed opportunities for early detection of growth disorders in children...
November 29, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/29168640/underwater-hybrid-endoscopic-submucosal-dissection-in-a-rectal-polyp-a-case-report-of-a-new-application-of-underwater-endoscopy
#11
Joaquín Rodríguez Sánchez, Margarita Úbeda Muñoz, Eva de la Santa Belda, Pilar Olivencia Palomar, José Olmedo Camacho
BACKGROUND: Hybrid endoscopic submucosal dissection (ESD) has been described as an alternative to traditional ESD. This technique is less time consuming, but the en bloc resection rate is lower than in ESD. Similar to endoscopic mucosal resection, the underwater technique could improve preliminary disadvantages of hybrid ESD. CASE REPORT: We attempted a mixture resection technique of Hybrid ESD with underwater endoscopic mucosal resection (EMR). Using this approach, an underwater hybrid ESD was successfully performed without adverse events on a 71 year old woman with a 20 mm adenoma...
November 23, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/29153306/autologous-hematopoietic-progenitor-cell-mobilization-and-collection-in-adult-patients-presenting-with-multiple-myeloma-and-lymphoma-a-position-statement-from-the-turkish-society-of-apheresis-tsa
#12
REVIEW
Emre Tekgündüz, Mutlu Arat, Hakan Göker, Hakan Özdoğu, Leylagül Kaynar, Seçkin Çağırgan, Mehmet Ali Erkurt, Filiz Vural, İlhami Kiki, Fevzi Altuntaş, Fatih Demirkan
Autologous hematopoietic cell transplantation (AHCT) is a routinely used procedure in the treatment of adult patients presenting with multiple myeloma (MM), Hodgkin lymphoma (HL) and various subtypes of non-Hodgkin lymphoma (NHL) in upfront and relapsed/refractory settings. Successful hematopoietic progenitor cell mobilization (HPCM) and collection are the rate limiting first steps for application of AHCT. In 2015, almost 1700 AHCT procedures have been performed for MM, HL and NHL in Turkey. Although there are recently published consensus guidelines addressing critical issues regarding autologous HPCM, there is a tremendous heterogeneity in terms of mobilization strategies of transplant centers across the world...
November 10, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29119962/-the-specific-features-of-the-development-of-metabolic-and-regenerative-processes-under-the-action-of-low-intensity-electromagnetic-radiation-in-radiation-exposure-conditions-an-experimental-study
#13
Yu N Korolev, L V Mihajlik, L A Nikulina, M S Geniatulina
The experiments on male white rats with the use of biochemical, photo-optical, and electron-microscopic techniques have demonstrated that the use of low-intensity electromagnetic radiation of ultrahigh frequency (EMR UHF) and low-intensity low-frequency magnetic field (MF) during the post-irradiation period (within 21 days after exposure to radiation) enhanced the metabolic and regenerative processes in the testes and liver. It was shown that the application of MF largely intensified the antioxidant activity whereas EMR UHF preferentially stimulated the biosynthetic processes as well as the processes of cellular and intracellular regeneration...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/29095179/barriers-to-research-recruitment-of-women-experiencing-a-pregnancy-loss-in-the-emergency-department
#14
Brittany E Punches, Kimberly D Johnson, Shauna P Acquavita, Dianne M Felblinger, Gordon L Gillespie
Women often come to the emergency department (ED) with signs and symptoms suggesting an early pregnancy loss; yet, little is known about their experience and how it relates to future outcomes. To improve patient outcomes and experiences of women seeking care for a pregnancy loss, research is required. However, recruitment of participants experiencing an event such as a pregnancy loss is challenging. The purpose of this article is to discuss the application of an electronic medical record (EMR)-based participant screening tool recruiting women seeking care for a pregnancy loss in the ED...
October 2017: Advanced Emergency Nursing Journal
https://www.readbyqxmd.com/read/29065436/hot-avulsion-may-be-effective-as-salvage-treatment-for-focal-barrett-s-esophagus-remaining-after-endoscopic-therapy-for-dysplasia-or-early-cancer-a-preliminary-study
#15
Javier Aranda-Hernández, Yuto Shimamura, Andrea Grin, Yugo Iwaya, Maria Cirocco, Gabor Kandel, Gary May, Paul Kortan, Spiro Raftopoulos, Norman Marcon
Background and study aim Both endoscopic mucosal resection (EMR) and radiofrequency ablation (RFA) are used to treat Barrett's esophagus (BE) complicated by dysplasia and intramucosal cancer. However, focal areas of BE can remain after otherwise successful application of these techniques. We report the results of hot avulsion using a hot biopsy forceps to resect these residual focal areas. Patients and methods This was a retrospective study from a prospective database in a tertiary reference center from August 2013 to May 2015...
October 24, 2017: Endoscopy
https://www.readbyqxmd.com/read/29063545/grappling-with-the-future-use-of-big-data-for-translational-medicine-and-clinical-care
#16
S Murphy, V Castro, K Mandl
Objectives: Although patients may have a wealth of imaging, genomic, monitoring, and personal device data, it has yet to be fully integrated into clinical care. Methods: We identify three reasons for the lack of integration. The first is that "Big Data" is poorly managed by most Electronic Medical Record Systems (EMRS). The data is mostly available on "cloud-native" platforms that are outside the scope of most EMRs, and even checking if such data is available on a patient often must be done outside the EMRS...
August 2017: Yearbook of Medical Informatics
https://www.readbyqxmd.com/read/28983323/in-chip-microstructures-and-photonic-devices-fabricated-by-nonlinear-laser-lithography-deep-inside-silicon
#17
Onur Tokel, Ahmet Turnali, Ghaith Makey, Parviz Elahi, Tahir Çolakoğlu, Emre Ergeçen, Özgün Yavuz, René Hübner, Mona Zolfaghari Borra, Ihor Pavlov, Alpan Bek, Raşit Turan, Denizhan Koray Kesim, Serhat Tozburun, Serim Ilday, F Ömer Ilday
Silicon is an excellent material for microelectronics and integrated photonics1-3 with untapped potential for mid-IR optics4. Despite broad recognition of the importance of the third dimension5,6, current lithography methods do not allow fabrication of photonic devices and functional microelements directly inside silicon chips. Even relatively simple curved geometries cannot be realised with techniques like reactive ion etching. Embedded optical elements, like in glass7, electronic devices, and better electronic-photonic integration are lacking8...
October 2017: Nature Photonics
https://www.readbyqxmd.com/read/28969904/tantala-based-sol-gel-coating-for-capillary-microextraction-on-line-coupled-to-high-performance-liquid-chromatography
#18
MinhPhuong Tran, Erica B Turner, Scott S Segro, Li Fang, Emre Seyyal, Abdul Malik
A sol-gel organic-inorganic hybrid sorbent, consisting of chemically integrated tantalum (V) ethoxide (TaEO) and polypropylene glycol methacrylate (PPGM), was developed for capillary microextraction (CME). The sol-gel sorbent was synthesized within a fused silica capillary through hydrolytic polycondensation of TaEO and chemical incorporation of PPGM into the evolving sol-gel tantala network. A part of the organic-inorganic hybrid sol-gel network evolving in the vicinity of the capillary walls had favorable conditions to get chemically bonded to the silanol groups on the capillary surface forming a surface-bonded coating...
September 22, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28969405/etiological-factors-and-management-in-priapism-patients-and-attitude-of-emergency-physicians
#19
Mehmet Giray Sönmez, Leyla Öztürk Sönmez, Hakkı Hakan Taşkapu, Cengiz Kara, Zerrin Defne Dündar, Yunus Emre Göğer, Togay Evrin, Ahmet Öztürk
OBJECTIVE: To present the underlying etiological factors in patients referring with priapism, sharing how they are managed according to etiology and priapism type together with our experiences, creating awareness so that urologists and emergency physicians may play a more active role together in priapism management. MATERIALS AND METHODS: Patients referring to emergency service with priapism were examined. Penile Doppler ultrasonography (PDU) and/or corporeal aspiration and blood gas analysis were made in order to determine priapism type after anamnesis and physical examination...
October 3, 2017: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28944951/successful-application-of-the-ventriculo-gallbladder-shunt-a-salvage-procedure
#20
Bülent Guclu, Tufan Hicdonmez, Utku Adilay, Yunus Emre Altuntas
Ventriculo gallblader shunt is very rarely used in the treatment of hydrocephalus. A 44 year old male with ventriculoatrial shunt dysfunction was evaluated. His ventriculoatrial shunt was not working. His medical history revealed that his hydrocephalus was treated five times by venrtriculoperitoneal shunt, four times by ventriculoatrial shunt. Another trial for ventriculoperitoneal or ventriculoatrial shunting was not considered feasible. Ventriculo-gallbladder shunt as potential salvage procedure was placed to the patient...
July 29, 2017: Turkish Neurosurgery
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