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https://www.readbyqxmd.com/read/28531993/fabrication-mechanical-properties-and-in-vitro-degradation-behavior-of-newly-developed-znag-alloys-for-degradable-implant-applications
#1
M Sikora-Jasinska, E Mostaed, A Mostaed, R Beanland, D Mantovani, M Vedani
Zn and Zn-based alloys have been recognized as highly promising biodegradable materials for orthopedic implants and cardiovascular stents, due to their proved biocompatibility and, more importantly, lower corrosion rates compared to Mg alloys. However, pure Zn has poor mechanical properties. In this study, Ag is used as a promising alloying element to improve the mechanical properties of the Zn matrix as well as its biocompatibility and antibacterial properties. Accordingly, we design three ZnAg alloys with Ag content ranging from 2...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531789/do-picu-patients-meet-technical-criteria-for-performing-indirect-calorimetry
#2
Megan R Beggs, Gonzalo Garcia Guerra, Bodil M K Larsen
BACKGROUND & AIMS: Indirect calorimetry (IC) is considered gold standard for assessing energy needs of critically ill children as predictive equations and clinical status indicators are often unreliable. Accurate assessment of energy requirements in this vulnerable population is essential given the high risk of over or underfeeding and the consequences thereof. The proportion of patients and patient days in pediatric intensive care (PICU) for which energy expenditure (EE) can be measured using IC is currently unknown...
October 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531655/competitive-adsorption-behavior-toward-metal-ions-on-nano-fe-mg-ni-ternary-layered-double-hydroxide-proved-by-xps-evidence-of-selective-and-sensitive-detection-of-pb-ii
#3
Shan-Shan Li, Min Jiang, Tian-Jia Jiang, Jin-Huai Liu, Zheng Guo, Xing-Jiu Huang
Hypersensitive and highly selective nanomaterials for the measurement of heavy metal ions (HMIs) hold a key to electro-analysis. Various works improved the results of analysis but without scientific understanding. Herein, Fe/Mg/Ni-layered double hydroxide (LDH) has been successfully prepared and its electrochemical behavior for Pb(II) detection is also studied using square wave anodic stripping voltammetry (SWASV). The well performance of electrochemistry suggest that the modification with Fe/Mg/Ni-LDH significantly promotes the selectivity and sensitivity toward Pb(II)...
May 11, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28531645/judgment-of-moral-and-social-transgression-in-schizophrenia
#4
Jonathan McGuire, Martin Brüne, Robyn Langdon
INTRODUCTION: Despite evidence of pervasive social-cognitive deficits in schizophrenia, little is known of moral cognition in this population. While recent research indicates that impairment of explicit moral reasoning is explained by these individuals' other cognitive deficits, their capacities for basic moral judgment are unknown. METHODS: 45 people with schizophrenia and 27 healthy controls completed the Moral-Conventional Distinction Task: a classic task that assesses judgment of violations of moral or social convention on permissibility, severity, and authority-contingence...
May 4, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28531369/should-high-bmi-be-a-reason-for-ivf-treatment-denial
#5
S Friedler, O Cohen, G Liberty, B Saar-Ryss, S Meltzer, T Lazer
Our aim was to examine the influence of BMI on the live-birth rate following IVF/ICSI and evaluate its specific contribution among other factors thus enabling accurate reproductive policy development. All patients that underwent IVF/ICSI at our center during January 2012-July 2015 were included in this retrospective study. A total of 1654 ICSI cycles were divided into four groups according to the patient's BMI (kg/m(2)): group I (normal weight): <25 (943 cycles); group II (overweight): 25-30 (403 cycles); group III (obese): 30-35 (212 cycles); group IV (morbid obesity): >35 (96 cycles)...
May 20, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28531301/a-political-case-of-penetrating-cranial-trauma-the-injury-of-james-scott-brady
#6
Richard Menger, Piyush Kalakoti, Rimal Hanif, Osama Ahmed, Anil Nanda, Bharat Guthikonda
James Brady, the White House press secretary during President Ronald Reagan's first term in office, was 1 of 4 people (including the President) wounded during an attempted assassination attempt on President Reagan's life on March 30, 1981. John Hinckley, Jr. was found not guilty of this attempt by reason of insanity. The assassination attempt was a ploy by Hinckley, Jr. to impress the actress Jodie Foster. Brady was the most seriously injured of the 4 who were wounded. He suffered a gunshot wound to the left forehead that traveled through the left frontal lobe, corpus callosum, and then into the right frontal and temporal lobes...
May 22, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28531298/evolution-of-bacterial-virulence
#7
Médéric Diard, Wolf-Dietrich Hardt
Bacterial virulence is highly dynamic and context-dependent. For this reason, it is challenging to predict how molecular changes affect the growth of a pathogen in a host and its spread in host population. Two schools of thought have taken quite different directions to decipher the underlying principles of bacterial virulence. While molecular infection biology is focusing on the basic mechanisms of the pathogen-host interaction, evolution biology takes virulence as one of several parameters affecting pathogen spread in a host population...
May 22, 2017: FEMS Microbiology Reviews
https://www.readbyqxmd.com/read/28531259/guideline-adherence-for-diagnostic-faeces-testing-in-primary-care-patients-with-gastroenteritis
#8
Alwin Schierenberg, Berna D L Broekhuizen, Martine D Nipshagen, Maarten B J Kommer, Patricia C J Bruijning-Verhagen, Sanne van Delft, Alma C van de Pol, Marc J M Bonten, Niek J de Wit
Background.: Gastroenteritis (GE) is a common reason for primary care consultation. Dutch clinical practice guidelines (CPG) recommend diagnostic faeces testing (DFT) only in primary care patients with severe illness, comprised immunity or increased transmission risk. For its superior accuracy, shorter turnaround time and ease of use, polymerase chain reaction (PCR)-based DFT has largely replaced conventional techniques. It is unknown whether this changed CPG adherence. Objective...
May 20, 2017: Family Practice
https://www.readbyqxmd.com/read/28530798/heterogeneous-molecular-catalysis-of-electrochemical-reactions-volcano-plots-and-catalytic-tafel-plots
#9
Cyrille Costentin, Jean-Michel Savéant
We analyze here, in the framework of heterogeneous mo-lecular catalysis the reasons of occurrence or non-occurrence of volcanoes upon plotting the kinetics of the catalytic reaction versus the stabilization free energy of the primary intermediate of the catalytic process. As in the case of homogeneous molecular catalysis or catalysis by surface active metallic sites, a strong motivation of such studies relates to modern energy challenges, particularly those involving small molecules such as water, hydrogen, oxygen, proton and carbon dioxide...
May 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28530779/predictive-factors-for-early-hospital-readmission-and-1-year-mortality-in-elder-patients-following-surgical-treatment-of-a-hip-fracture
#10
Hakan Sofu, Hanifi Üçpunar, Yalkın Çamurcu, Serda Duman, Mehmet Nuri Konya, Sarper Gürsu, Vedat Şahin
BACKGROUND: Early hospital readmission after surgically treated hip fracture is a common entity, often involving an adverse event and causing strains on an already overburdened healthcare system. The main purposes of the present study were to determine the 30-day readmission rate, analyze the predictive factors for early hospital readmissions, and assess 1-year mortality following surgical treatment of hip fracture in elderly patients. Retrospective case-control study. METHODS: In total, 517 patients with a mean age of 74 years were evaluated...
May 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28530625/-robot-assisted-and-laparoscopic-pyeloplasty
#11
Juan Ignacio Pascual-Piédrola, Imanol Merino-Narro, Mateo Hevia-Suárez, Francisco Javier Ancizu-Marckert, Ángel García-Cortés, Pablo Domenech-López
OBJECTIVES: Uretero-pelvic junction (UPJ) obstruction has been classically treated by open dismembered pyeloplasty. Recently, laparoscopic (LP) and robotic pyeloplasty (RP) have become the techniques of choice for the treatment of UPJ stenosis in adult and pediatric population. Our objective in this paper is to review the results of minimally invasive surgery as the treatment of UPJ obstruction, the trend to use these approaches and the current limits of LP and RP. METHODS: A review of most relevant papers and meta-analysis about LP and RP in pediatric and adult population was performed using PubMed...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530618/robotic-colposacropexy
#12
Miguel Angel Ruiz-León, Lorena Fernández-Montarroso, Natalia Pérez-Romero, Isabel Galante-Romo, Luis Eduardo Resel-Folkersma, Jesús Moreno-Sierra
OBJECTIVES: To review the role of robot- assisted laparoscopic colposacropexy (RALCS) as a treatment for pelvic organ prolapse (POP) accordingly with the available literature and our own experience. METHODS: We have analyzed the studies with the results of robot-assisted colposacropexy (RALCS) and others in which this technique is compared with the abdominal (ACS) and/or the laparoscopic approach (LCS), including our own series. The main data collected are surgical time, blood loss, complications, clinical outcomes, quality of life and the different costs of LCS versus RALCS...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530519/does-a-one-size-fits-all-cost-sharing-approach-incentivize-appropriate-medication-use-a-roundtable-on-the-fairness-and-ethics-associated-with-variable-cost-sharing
#13
Jennifer S Graff, Chuck Shih, Thomas Barker, Gabriela Dieguez, Cheryl Larson, Helen Sherman, Robert W Dubois
BACKGROUND: Tiered formularies, in which patients pay copays or coinsurance out-of-pocket (OOP), are used to manage costs and encourage more efficient health care resource use. Formulary tiers are typically based on the cost of treatment rather than the medical appropriateness for the patient. Cost sharing may have unintended consequences on treatment adherence and health outcomes. Use of higher-cost, higher-tier medications can be due to a variety of factors, including unsuccessful treatment because of lack of efficacy or side effects, patient clinical or genetic characteristics, patient preferences to avoid potential side effects, or patient preferences based on the route of administration...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28530440/children-s-reasoning-about-deception-and-defiance-as-ways-of-resisting-parents-and-teachers-directives
#14
Matthew Gingo
This research presented 8-, 10-, and 12-year-olds (N = 120) with hypothetical situations depicting comparably aged children engaging in defiance and deception to circumvent authorities' directives that they disagreed with. The nature of the situations varied in terms of domain (personal, moral, or prudential) and type of authority figure (parent or teacher). Evaluations and justifications for the legitimacy of the directives, defiance, and deception were examined, as were general evaluations of deception. Across domains, increased age was associated with decreased acceptance of directives, and increased acceptance of defiance and deception...
May 22, 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28530419/interpersonal-rivalries-gender-and-the-intellectual-and-scientific-making-of-psychoanalysis-in-1940s-britain
#15
Michal Shapira
This article examines the 1940s debates regarding the status and professional orthodoxy of psychoanalysis following Sigmund Freud's death, by exploring the Anna Freud-Melanie Klein Controversial Discussions in the British Psychoanalytical Society. Focusing on the work of now-forgotten analysts Melitta Schmideberg and Edward Glover, and on their relationship with Klein and her supporters, the article reveals how these neglected, yet important, debates were complicated by interpersonal and professional ties, processes of the professionalization, and changing gender norms...
May 2017: History of Psychology
https://www.readbyqxmd.com/read/28530403/propitious-dendritic-cu2o%C3%AF-pt-nanostructured-anodes-for-direct-formic-acid-fuel-cells
#16
Gumaa A El-Nagar, Ahmad M Mohammad, Mohamed S El-Deab, Bahgat E El-Anadouli
This study introduces a novel competent dendritic copper oxide-platinum nanocatalyst (nano-Cu2O-Pt) immobilized onto a glassy carbon (GC) substrate for formic acid (FA) electrooxidation (FAO); the prime reaction in the anodic compartment of direct formic acid fuel cells (DFAFCs). Interestingly, the proposed catalyst exhibited an outstanding improvement for FAO compared to the traditional platinum nanoparticles (nano-Pt) modified GC (nano-Pt/GC) catalyst. This was evaluated from steering the reaction mechanism towards the desired direct route producing carbon dioxide (CO2); consistently with mitigating the other undesired indirect pathway producing carbon monoxide (CO); the potential poison deteriorating the catalytic activity of typical Pt-based catalysts...
May 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28530401/rational-design-of-mof-nanocarrier-based-co-delivery-system-of-doxorubicin-hydrochloride-verapamil-hydrochloride-for-overcoming-multidrug-resistance-with-efficient-targeted-cancer-therapy
#17
Huiyuan Zhang, Wei Jiang, Ruiling Liu, Jing Zhang, Di Zhang, Zhonghao Li, Yuxia Luan
Conventional organic and inorganic drug nanocarriers suffer from serious drawbacks, such as low drug-storage capacity and uncontrolled release. Moreover, multidrug resistance (MDR) has been one of the primary causes leading to chemotherapy failure for cancers. The main reason of MDR is the overexpressed active efflux transporters such as P-glycoprotein. Here, zeolitic imidazolate framework ZIF-8, as one of the biocompatible metal organic frameworks (MOFs), is reported for the first time as the multidrug carrier to realize the efficient co-delivery of verapamil hydrochloride (VER) as the P-glycoprotein inhibitor as well as doxorubicin hydrochloride (DOX) as an anticancer drug to overcome the MDR in addition to realizing the active targeted ability for an efficient anticancer effect...
May 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28530314/-presentation-of-ocular-problems-among-displaced-persons-from-sudan-and-eritrea-at-the-tel-aviv-medical-center
#18
Roy Schwartz, Michaella Goldstein, Anat Loewenstein, Adiel Barak
INTRODUCTION: Illegal immigration from Africa to Israel expanded in recent years, bringing illegal immigrants, mostly from Eritrea and Sudan. No data regarding the ophthalmic conditions of this population was previously published. AIMS: To delineate reasons for ophthalmologic emergency room visits and hospitalizations in the ophthalmology department at a tertiary center in Tel Aviv, Israel. METHODS: In this retrospective study we reviewed the records of patients of Eritrean and Sudanese origin arriving at the ophthalmic emergency room at the Tel Aviv Sourasky Medical Center between June 2012 and August 2012 and hospitalized in the ophthalmology ward between August 2011 and August 2012...
January 2017: Harefuah
https://www.readbyqxmd.com/read/28530308/-influenza-vaccination-among-healthcare-workers-the-data-and-the-duty
#19
Sonia Habib, Shmuel Rishpon, Itamar Grotto, Arnon Afek
Seasonal influenza is a significant disease affecting public health due to substantial morbidity and mortality and a high economic burden. in view of its high propensity for genetic mutations, the virus can easily evade preexisting immunity acquired from prior exposure to it, thereby causing severe seasonal epidemics. Influenza vaccination has been shown to be safe and effective. In many countries, including Israel, it is recommended to all members of the population aged 6 months and older, especially those with a higher risk of developing severe complications...
January 2017: Harefuah
https://www.readbyqxmd.com/read/28530118/readmission-to-intensive-care-unit-incidence-risk-factors-resource-use-and-outcomes-a-retrospective-cohort-study
#20
Carolina R Ponzoni, Thiago D Corrêa, Roberto R Filho, Ary Serpa Neto, Murillo Sc Assunção, Andreia Pardini, Guilherme Pp Schettino
RATIONALE: Readmission to intensive care unit (ICU) is associated with poor clinical outcomes, increased length of ICU and hospital stay and higher costs. Nevertheless, knowledge on epidemiology of ICU readmissions, risk factors and attributable outcomes are restricted to developed countries. OBJECTIVES: Determine the effect of ICU readmissions on in-hospital mortality, incidence of ICU readmissions, identify predictors of ICU readmissions and hospital mortality and compare resource use and outcomes between readmitted and nonreadmitted patients in a developing country...
May 21, 2017: Annals of the American Thoracic Society
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