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https://www.readbyqxmd.com/read/28107728/a-three-dimensional-core-shell-nanostructured-composite-of-polypyrrole-wrapped-mno2-reduced-graphene-oxide-carbon-nanotube-for-high-performance-lithium-ion-batteries
#1
Yong Li, Daixin Ye, Wen Liu, Bin Shi, Rui Guo, Haijuan Pei, Jingying Xie
Manganese oxides are promising anode materials for their high-energy density. However, they suffer from poor rate capability and fast capacity fading. Herein, we construct a three-dimensional (3D) core-shell structured polypyrrole (PPy)/MnO2-reduced graphene oxide (rGO)-carbon nanotubes (CNTs) composite via a facile two-step method. In the structure, the CNTs can facilitate fast electron conduction and keep structural integrity. The flexible and conductive rGO nanosheets work as both a reactive material and a carrier for MnO2 in-situ growth...
January 10, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28107544/cutaneous-hpv8-and-mmupv1-e6-proteins-target-the-notch-and-tgf-%C3%AE-tumor-suppressors-to-inhibit-differentiation-and-sustain-keratinocyte-proliferation
#2
Jordan M Meyers, Aayushi Uberoi, Miranda Grace, Paul F Lambert, Karl Munger
Cutaneous beta-papillomaviruses are associated with non-melanoma skin cancers that arise in patients who suffer from a rare genetic disorder, Epidermodysplasia verruciformis (EV) or after immunosuppression following organ transplantation. Recent studies have shown that the E6 proteins of the cancer associated beta human papillomavirus (HPV) 5 and HPV8 inhibit NOTCH and TGF-β signaling. However, it is unclear whether disruption of these pathways may contribute to cutaneous HPV pathogenesis and carcinogenesis...
January 20, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28107524/the-frequency-spectral-properties-of-electrode-skin-contact-impedance-on-human-head-and-its-frequency-dependent-effects-on-frequency-difference-eit-in-stroke-detection-from-10hz-to-1mhz
#3
Lin Yang, Meng Dai, Canhua Xu, Ge Zhang, Weichen Li, Feng Fu, Xuetao Shi, Xiuzhen Dong
Frequency-difference electrical impedance tomography (fdEIT) reconstructs frequency-dependent changes of a complex impedance distribution. It has a potential application in acute stroke detection because there are significant differences in impedance spectra between stroke lesions and normal brain tissues. However, fdEIT suffers from the influences of electrode-skin contact impedance since contact impedance varies greatly with frequency. When using fdEIT to detect stroke, it is critical to know the degree of measurement errors or image artifacts caused by contact impedance...
2017: PloS One
https://www.readbyqxmd.com/read/28107503/osteopontin-affects-insulin-vesicle-localization-and-ca2-homeostasis-in-pancreatic-beta-cells-from-female-mice
#4
Anna Wendt, Inês G Mollet, Anki Knutsson, Victor S Bolmgren, Anna Hultgårdh-Nilsson, Maria F Gomez, Lena Eliasson
Type 2 diabetic patients suffer from insulin resistance and reduced insulin secretion. Osteopontin (OPN), a versatile protein expressed in several tissues throughout the body including the islets of Langerhans, has previously been implicated in the development of insulin resistance. Here we have investigated the role of OPN in insulin secretion using an OPN knock out mouse model (OPN-/-). Ultra-structural analyzes of islets from OPN-/- and WT mice indicated weaker cell-cell connections between the islet cells in the OPN-/- mouse compared to WT...
2017: PloS One
https://www.readbyqxmd.com/read/28107442/comparison-of-various-indices-of-energy-metabolism-in-recumbent-and-healthy-dairy-cows
#5
Hugues Guyot, Johann Detilleux, Pascal Lebreton, Catherine Garnier, Marie Bonvoisin, Frederic Rollin, Charlotte Sandersen
BACKGROUND: Downer cow syndrome (DCS) is often diagnosed in dairy cattle during the early post-partum period. The etiology of this condition is not completely understood, as it can be related to the energetic or electrolyte metabolism, as well as to infectious diseases or to trauma. HYPOTHESIS/OBJECTIVES: The aim of this study is to compare energy metabolism and insulin sensitivity indices and various biochemical parameters between recumbent and healthy dairy cows...
2017: PloS One
https://www.readbyqxmd.com/read/28107366/comparative-analysis-of-direct-hospital-care-costs-between-aseptic-and-two-stage-septic-knee-revision
#6
Richard Kasch, Sebastian Merk, Grit Assmann, Andreas Lahm, Matthias Napp, Harry Merk, Steffen Flessa
BACKGROUND: The most common intermediate and long-term complications of total knee arthroplasty (TKA) include aseptic and septic failure of prosthetic joints. These complications cause suffering, and their management is expensive. In the future the number of revision TKA will increase, which involves a greater financial burden. Little concrete data about direct costs for aseptic and two-stage septic knee revisions with an in depth-analysis of septic explantation and implantation is available...
2017: PloS One
https://www.readbyqxmd.com/read/28107295/healthcare-transformation-and-changing-roles-for-nursing
#7
Susan W Salmond, Mercedes Echevarria
Factors driving healthcare transformation include fragmentation, access problems, unsustainable costs, suboptimal outcomes, and disparities. Cost and quality concerns along with changing social and disease-type demographics created the greatest urgency for the need for change. Caring for and paying for medical treatments for patients suffering from chronic health conditions are a significant concern. The Affordable Care Act includes programs now led by the Centers for Medicare & Medicaid Services aiming to improve quality and control cost...
January 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/28107239/management-of-pharyngeal-fistulas-after-anterior-cervical-spine-surgery-a-treatment-algorithm-for-severe-complications
#8
Christian Simon, Carl H Fürstenberg, Markus Eichler, Stefan Rohde, Cem Bulut, Bernd Wiedenhöfer
STUDY DESIGN: This study is a retrospective database query to identify all anterior spinal approaches. OBJECTIVES: The objectives were to assess all patients with pharyngocutaneous fistulas (PCFs) after anterior cervical spine surgery. SUMMARY OF BACKGROUND DATA: Patients with the diagnosis of PCFs were treated at the University of Heidelberg Spine Medical Center, Spinal Cord Injury Unit and Department of Otolaryngology (Germany), between 2005 and 2011...
February 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28107211/type-2-myocardial-infarction-incidence-presentation-treatment-and-outcome-in-routine-clinical-practice
#9
Dragana Radovanovic, Thomas Pilgrim, Burkhardt Seifert, Philip Urban, Giovanni Pedrazzini, Paul Erne
AIMS: The clinical definition and optimal treatment for myocardial infarction (MI) type 2 (T2MI) are not well established. We assessed differences in presentation, treatment and outcomes of patients with MI type 1 (T1MI) and T2MI. METHODS: The data of MI patients enrolled in the AMIS Plus cohort with T2MI were compared with T1MI using propensity score matching. RESULTS: A total of 13 829 patients had T1MI and 1091 (7.3%) T2MI. Patients with T2MI were older, often female, with more risk factors and comorbidities, and less ST segment elevation...
January 19, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28107151/saving-the-starfish-physicians-roles-in-responding-to-human-rights-abuses-in-global-health-practice
#10
Monir Moniruzzaman
This paper examines how an overseas medical student can improve the life of a kamlari, an indentured servant girl in Nepal. I argue that physicians and students should not only provide care for the health and well-being of patients but also act to ameliorate the suffering of their patients, particularly when patients' social, cultural, economic, and political vulnerabilities overshadow their immediate clinical needs. I also address the point that medical schools need to offer courses on health advocacy and activism in order to promote health equity and social justice for all...
January 1, 2017: AMA Journal of Ethics
https://www.readbyqxmd.com/read/28106904/planned-early-delivery-versus-expectant-management-for-hypertensive-disorders-from-34-weeks-gestation-to-term
#11
REVIEW
Catherine Cluver, Natalia Novikova, Corine M Koopmans, Helen M West
BACKGROUND: Hypertensive disorders in pregnancy are significant contributors to maternal and perinatal morbidity and mortality. These disorders include well-controlled chronic hypertension, gestational hypertension (pregnancy-induced hypertension) and mild pre-eclampsia. The definitive treatment for these disorders is planned early delivery and the alternative is to manage the pregnancy expectantly if severe uncontrolled hypertension is not present, with close maternal and fetal monitoring...
January 15, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28106851/workplace-violence-against-health-care-workers-in-north-chinese-hospitals-a-cross-sectional-survey
#12
Peihang Sun, Xue Zhang, Yihua Sun, Hongkun Ma, Mingli Jiao, Kai Xing, Zheng Kang, Ning Ning, Yapeng Fu, Qunhong Wu, Mei Yin
This research aimed to determine the prevalence of workplace violence (WPV) against healthcare workers, explore the frequency distribution of violence in different occupational groups, and determine which healthcare occupation suffers from WPV most frequently. Furthermore, the current study aimed to compare risk factors affecting different types of WPV in Chinese hospitals. A cross-sectional design was utilized. A total of 1899 healthcare workers from Heilongjiang, a province in Northeastern China, completed the questionnaire...
January 19, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106850/au-graphene-hybrid-plasmonic-nanostructure-sensor-based-on-intensity-shift
#13
Raed Alharbi, Mehrdad Irannejad, Mustafa Yavuz
Integrating plasmonic materials, like gold with a two-dimensional material (e.g., graphene) enhances the light-material interaction and, hence, plasmonic properties of the metallic nanostructure. A localized surface plasmon resonance sensor is an effective platform for biomarker detection. They offer a better bulk surface (local) sensitivity than a regular surface plasmon resonance (SPR) sensor; however, they suffer from a lower figure of merit compared to that one in a propagating surface plasmon resonance sensors...
January 19, 2017: Sensors
https://www.readbyqxmd.com/read/28106826/colorectal-carcinoma-a-general-overview-and-future-perspectives-in-colorectal-cancer
#14
REVIEW
Inés Mármol, Cristina Sánchez-de-Diego, Alberto Pradilla Dieste, Elena Cerrada, María Jesús Rodriguez Yoldi
Colorectal cancer (CRC) is the third most common cancer and the fourth most common cause of cancer-related death. Most cases of CRC are detected in Western countries, with its incidence increasing year by year. The probability of suffering from colorectal cancer is about 4%-5% and the risk for developing CRC is associated with personal features or habits such as age, chronic disease history and lifestyle. In this context, the gut microbiota has a relevant role, and dysbiosis situations can induce colonic carcinogenesis through a chronic inflammation mechanism...
January 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106704/rapid-spontaneously-resolving-acute-subdural-hematoma
#15
Qi Gan, Hexiang Zhao, Hanmei Zhang, Chao You
INTRODUCTION: This study reports a rare patient of a rapid spontaneously resolving acute subdural hematoma. In addition, an analysis of potential clues for the phenomenon is presented with a review of the literature. PATIENT PRESENTATION: A 1-year-and-2-month-old boy fell from a height of approximately 2 m. The patient was in a superficial coma with a Glasgow Coma Scale of 8 when he was transferred to the authors' hospital. Computed tomography revealed the presence of an acute subdural hematoma with a midline shift beyond 1 cm...
January 18, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28106615/metal-artifact-reduction-in-x-ray-computed-tomography-using-computer-aided-design-data-of-implants-as-prior-information
#16
Veikko Ruth, Daniel Kolditz, Christian Steiding, Willi A Kalender
OBJECTIVES: The performance of metal artifact reduction (MAR) methods in x-ray computed tomography (CT) suffers from incorrect identification of metallic implants in the artifact-affected volumetric images. The aim of this study was to investigate potential improvements of state-of-the-art MAR methods by using prior information on geometry and material of the implant. MATERIALS AND METHODS: The influence of a novel prior knowledge-based segmentation (PS) compared with threshold-based segmentation (TS) on 2 MAR methods (linear interpolation [LI] and normalized-MAR [NORMAR]) was investigated...
January 18, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28106574/walking-ability-of-spinal-cord-injury-individuals-how-to-improve-it
#17
Morteza Sadeghi, Gholam Hussein Ghasemi, Mohammad Taghi Karimi
BACKGROUND: Subjects with Spinal Cord Injury (SCI) should use various assistive devices to stand and walk. Unfortunately they suffer from slow walking speed, high energy consumption, and too much force applied on upper limb while walking. The aim of this study was to determine the gap between the gait performance of SCI and normal subjects to conclude how the performance of SCI can be improved. METHOD: Three groups of SCI walked with orthosis, SCI walked without orthosis, and normal subjects were recruited in this study...
January 13, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28106465/evaluation-of-99m-tc-mibi-in-thyroid-gland-imaging-for-the-diagnosis-and-classification-of-amiodarone-induced-thyrotoxicosis
#18
Junqi Wang, Ruiguo Zhang
OBJECTIVE: Amiodarone-induced thyrotoxicosis (AIT) is caused by aminodaroneas a side effect of cardiovascular disease treatment. Based on the differences in their pathological and physiological mechanisms, many methods have been developed so far to differentiate AIT subtypes such as color flow Doppler sonography (CFDS)and 24 h radioiodine uptake (RAIU). However, these methods suffer from inadequate accuracy in distinguishing different types of AITs and sometimes lead to misdiagnosis and delayed treatments...
January 20, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28106191/the-frequency-dependent-response-of-single-aerosol-particles-to-vapour-phase-oscillations-and-its-application-in-measuring-diffusion-coefficients
#19
Thomas C Preston, James F Davies, Kevin R Wilson
A new method for measuring diffusion in the condensed phase of single aerosol particles is proposed and demonstrated. The technique is based on the frequency-dependent response of a binary particle to oscillations in the vapour phase of one of its chemical components. We discuss how this physical situation allows for what would typically be a non-linear boundary value problem to be approximately reduced to a linear boundary value problem. For the case of aqueous aerosol particles, we investigate the accuracy of the closed-form analytical solution to this linear problem through a comparison with the numerical solution of the full problem...
January 20, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28106168/visceral-hyperalgesia-caused-by-peptide-yy-deletion-and-y2-receptor-antagonism
#20
Ahmed M Hassan, Piyush Jain, Raphaela Mayerhofer, Esther E Fröhlich, Aitak Farzi, Florian Reichmann, Herbert Herzog, Peter Holzer
Altered levels of colonic peptide YY (PYY) have been reported in patients suffering from functional and inflammatory bowel disorders. While the involvement of neuropeptide Y (NPY) and Y receptors in the regulation of nociception is well established, the physiological role of PYY in somatic and visceral pain is poorly understood. In this work, the role of PYY in pain sensitivity was evaluated using PYY knockout (PYY((-/-))) mice and Y2 receptor ligands. PYY((-/-)) mice were more sensitive to somatic thermal pain compared to wild type (WT) mice...
January 20, 2017: Scientific Reports
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