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https://www.readbyqxmd.com/read/28783011/removal-optimization-of-heavy-metals-from-effluent-of-sludge-dewatering-process-in-oil-and-gas-well-drilling-by-nanofiltration
#1
Mostafa Hedayatipour, Neemat Jaafarzadeh, Mehdi Ahmadmoazzam
Oil and gas well drilling industries discharge large volumes of contaminated wastewater produced during oil and gas exploration process. In this study, the effect of different operational variables, including temperature, pH and transmembrane pressure on process performance of a commercially available nanofiltration membrane (JCM-1812-50N, USA) for removing Ba, Ni, Cr, NaCl and TDS from produced wastewater by dewatering unit of an oil and gas well drilling industry was evaluated. In optimum experimental conditions (T = 25 °C, P = 170 psi and pH = 4) resulted from Thaguchi method, 85...
August 3, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28780742/is-there-a-relationship-between-the-presence-of-the-binary-toxin-genes-in-clostridium-difficile-strains-and-the-severity-of-c-difficile-infection-cdi
#2
C E Berry, K A Davies, D W Owens, M H Wilcox
Some strains of Clostridium difficile produce a binary toxin, in addition to the main C. difficile virulence factors (toxins A and B). There have been conflicting reports regarding the role of binary toxin and its relationship to the severity of C. difficile infection (CDI). Samples, isolates and clinical data were collected as part of a prospective multicentre diagnostic study. Clostridium difficile isolates (n = 1259) were tested by polymerase chain reaction (PCR) assay to detect binary toxin genes cdtA and cdtB...
August 5, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28779963/partial-breast-radiotherapy-after-breast-conservation-surgery-for-patients-with-early-breast-cancer-uk-import-low-trial-5-year-results-from-a-multicentre-randomised-controlled-phase-3-non-inferiority-trial
#3
Charlotte E Coles, Clare L Griffin, Anna M Kirby, Jenny Titley, Rajiv K Agrawal, Abdulla Alhasso, Indrani S Bhattacharya, Adrian M Brunt, Laura Ciurlionis, Charlie Chan, Ellen M Donovan, Marie A Emson, Adrian N Harnett, Joanne S Haviland, Penelope Hopwood, Monica L Jefford, Ronald Kaggwa, Elinor J Sawyer, Isabel Syndikus, Yat M Tsang, Duncan A Wheatley, Maggie Wilcox, John R Yarnold, Judith M Bliss
BACKGROUND: Local cancer relapse risk after breast conservation surgery followed by radiotherapy has fallen sharply in many countries, and is influenced by patient age and clinicopathological factors. We hypothesise that partial-breast radiotherapy restricted to the vicinity of the original tumour in women at lower than average risk of local relapse will improve the balance of beneficial versus adverse effects compared with whole-breast radiotherapy. METHODS: IMPORT LOW is a multicentre, randomised, controlled, phase 3, non-inferiority trial done in 30 radiotherapy centres in the UK...
August 2, 2017: Lancet
https://www.readbyqxmd.com/read/28768664/preventative-effects-of-a-hif-inhibitor-17-dmag-on-partial-bladder-outlet-obstruction-induced-bladder-dysfunction
#4
Nao Iguchi, M İrfan Dönmez, Anna P Malykhina, Alonso Carrasco, Duncan T Wilcox
Posterior urethral valves are the most common cause of partial bladder outlet obstruction (PBOO) in the pediatric population. Pathological changes in the bladder developed during PBOO are responsible for long-lasting voiding dysfunction in this population despite early surgical interventions. Increasing evidence showed PBOO induces an upregulation of Hypoxia inducible factors (HIFs) and their transcriptional target genes, and they play a role in pathophysiological changes in the obstructed bladders. We hypothesized that blocking HIF pathways can prevent PBOO-induced bladder dysfunction...
August 2, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28765714/high-prevalence-of-subclass-specific-binding-and-neutralizing-antibodies-against-clostridium-difficile-toxins-in-adult-cystic-fibrosis-sera-possible-mode-of-immunoprotection-against-symptomatic-c-difficile-infection
#5
Tanya M Monaghan, Ola H Negm, Brendon MacKenzie, Mohamed R Hamed, Clifford C Shone, David P Humphreys, K Ravi Acharya, Mark H Wilcox
OBJECTIVES: Despite multiple risk factors and a high rate of colonization for Clostridium difficile, the occurrence of C. difficile infection in patients with cystic fibrosis is rare. The aim of this study was to compare the prevalence of binding C. difficile toxin-specific immunoglobulin (Ig)A, IgG and anti-toxin neutralizing antibodies in the sera of adults with cystic fibrosis, symptomatic C. difficile infection (without cystic fibrosis) and healthy controls. METHODS: Subclass-specific IgA and IgG responses to highly purified whole C...
2017: Clinical and Experimental Gastroenterology
https://www.readbyqxmd.com/read/28760635/the-potential-of-alcohol-release-doorplates-to-reduce-surface-contamination-during-hand-contact
#6
E L Best, P Parnell, M H Wilcox
BACKGROUND: Optimal hand hygiene may be compromised by contact with contaminated environmental surfaces. AIM: To investigate the in-vitro efficacy of a novel, alcohol-release doorplate to reduce surface contamination during hand contact. METHODS: Prototype, horizontally-held, Surfaceskins, alcohol gel-impregnated and control (aluminium) doorplates were challenged (n=72 per microorganism) with Staphylococcus aureus, Eschericia coli, Enterococcus faecalis or Clostridium difficile contaminated fingers...
July 28, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28756068/a-phase-ii-randomized-double-blind-multicenter-study-to-evaluate-efficacy-and-safety-of-intravenous-iclaprim-versus-vancomycin-for-the-treatment-of-nosocomial-pneumonia-suspected-or-confirmed-to-be-due-to-gram-positive-pathogens
#7
David B Huang, Thomas M File, Antoni Torres, Andrew F Shorr, Mark H Wilcox, Paul Hadvary, Matthew Dryden, G Ralph Corey
PURPOSE: The primary objective of this Phase II study was to compare the clinical cure rates of 2 iclaprim dosages versus vancomycin in the treatment of patients with nosocomial pneumonia suspected or confirmed to be caused by gram-positive pathogens. METHODS: This study was a double-blind, randomized, multicenter trial. A total of 70 patients were randomized 1:1:1 to receive iclaprim 0.8 mg/kg IV q12h (iclaprim q12h; n = 23), iclaprim 1.2 mg/kg IV q8h (iclaprim q8h; n = 24), or vancomycin 1 g IV q12h (vancomycin; n = 23) for 7 to 14 days...
July 26, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28752509/the-association-of-apolipoprotein-e-allele-4-polymorphism-with-the-recovery-of-sleep-disturbance-after-mild-traumatic-brain-injury
#8
Hsun-Hua Lee, Chun-Ting Yeh, Ju-Chi Ou, Hon-Ping Ma, Kai-Yun Chen, Cheng-Fu Chang, Jing-Huei Lai, Kuo-Hsing Liao, Chien-Min Lin, Shu-Yu Lin, Dean Wu, Yao-Hsien Huang, Chaur-Jong Hu, Chien-Tai Hong
PURPOSE: Mild traumatic brain injury (mTBI) is a major public health concern. The apolipoprotein E (APOE) gene contains three polymorphisms, and the APOE4 polymorphism may affect several physiological states, such as the recovery from mTBI as well as sleep. This study aims to investigate the association between APOE4 with the recovery of sleep disturbance after mTBI. METHODS: From May 2012 to Aug 2015, 189 mTBI patients completed baseline (1st week post-mTBI) and follow-up (6th week post-mTBI) sleep assessments that involved using the Pittsburgh Sleep Quality Index (PSQI)...
March 15, 2017: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/28750316/diffuse-field-full-matrix-capture-for-near-surface-ultrasonic-imaging
#9
J N Potter, P D Wilcox, A J Croxford
This article reports a technique for near-surface ultrasonic array imaging. Information equivalent to an undelayed full matrix of inter-element responses is produced through cross-correlation of a later time diffuse full matrix. This reconstructed full matrix lacks the nonlinear effects of early time saturation present in a directly acquired response. Consequently the near-surface material information usually obscured by this effect is retrieved. Furthermore it is shown that a hybrid full matrix formed through a temporally weighted sum of coherent and reconstructed matrices allows for effective near-surface and bulk material imaging from a single direct-contact experimental realisation...
July 18, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28743522/rifm-fragrance-ingredient-safety-assessment-terpineol-cas-registry-number-8000-41-7
#10
A M Api, D Belsito, S Bhatia, D Botelho, D Browne, M Bruze, A Burton, J Buschmann, P Calow, M L Dagli, M Date, W Dekant, C Deodhar, A D Fryer, K Joshi, L Kromidas, S La Cava, J F Lalko, A Lapczynski, D C Liebler, Y Miyachi, D O'brien, R Parakhia, A Patel, T M Penning, V T Politano, G Ritacco, J Romine, D Salvito, T W Schultz, J Shen, I G Sipes, Y Thakkar, Y Tokura, S Tsang, J Wahler, B Wall, D K Wilcox
No abstract text is available yet for this article.
July 22, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28741794/ecological-segregation-moderates-a-climactic-conclusion-to-trout-hybridization
#11
Michael K Young, Daniel J Isaak, Kevin S McKelvey, Taylor M Wilcox, Matthew R Campbell, Matthew P Corsi, Dona L Horan, Michael K Schwartz
Invasive hybridization, in which an introduced species may introgressively hybridize with a native taxon and threaten its persistence, is prominently featured in the conservation literature. One of the most frequently cited examples of this phenomenon involves interactions between native westslope cutthroat trout Oncorhynchus clarkii lewisi and introduced rainbow trout O. mykiss in a portion of the U.S. Northern Rocky Mountains (Allendorf & Leary, 1988). This article is protected by copyright. All rights reserved...
July 25, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28741615/patient-and-disease-characteristics-associated-with-the-presence-of-diabetes-mellitus-in-adults-with-chronic-pancreatitis-in-the-united-states
#12
Melena D Bellin, David C Whitcomb, Judah Abberbock, Stuart Sherman, Bimaljit S Sandhu, Timothy B Gardner, Michelle A Anderson, Michele D Lewis, Samer Alkaade, Vikesh K Singh, John Baillie, Peter A Banks, Darwin Conwell, Gregory A Cote, Nalini M Guda, Thiruvengadam Muniraj, Gong Tang, Randall E Brand, Andres Gelrud, Stephen T Amann, Christopher E Forsmark, C Mel Wilcox, Adam Slivka, Dhiraj Yadav
OBJECTIVES: Diabetes mellitus (DM) is a common complication of chronic pancreatitis (CP). Past studies for DM risk factors in CP have been limited to single centers or highly focused on a single etiology such as alcoholic or hereditary disease. We studied risk factors for DM in a large population of patients with CP of all etiologies enrolled in the North American Pancreatitis 2 studies. METHODS: Participants (1,171) with CP (n=383 with DM, n=788 without DM) were enrolled prospectively from 26 participating centers...
July 25, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28732817/severity-and-features-of-frailty-in-systemic-sclerosis-associated-interstitial-lung-disease
#13
Sabina A Guler, Joanne M Kwan, Tiffany A Winstone, Kathryn M Milne, James V Dunne, Pearce G Wilcox, Christopher J Ryerson
BACKGROUND: Systemic sclerosis-associated interstitial lung disease (SSc-ILD) is characterized by multiple symptoms and comorbidities. The cumulative impact of these deficits can be summarized using the concept of frailty; however, frailty has not been characterized in patients with SSc-ILD. METHODS: Patients with SSc-ILD and non-CTD fibrotic ILD were recruited from specialized clinics. Frailty was assessed using a 42-item patient-reported Frailty Index, calculated as the proportion of reported deficits divided by the total number of surveyed items...
August 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28710215/a-study-protocol-for-an-observational-cohort-investigating-cognitive-outcomes-and-wellness-in-survivors-of-critical-illness-the-cogwell-study
#14
M Elizabeth Wilcox, Andrew S Lim, Mary P McAndrews, Richard A Wennberg, Ruxandra L Pinto, Sandra E Black, Karolina D Walczak, Jan O Friedrich, Michael S Taglione, Gordon D Rubenfeld
INTRODUCTION: Up to 9 out of 10 intensive care unit (ICU) survivors will suffer some degree of cognitive impairment at hospital discharge and approximately half will have decrements that persist for years. The mechanisms for this newly acquired brain injury are poorly understood. The purpose of this study is to describe the prevalence of sleep abnormalities and their association with cognitive impairment, examine a well-known genetic risk factor for dementia (Apolipoprotein E ε4) that may allow for genetic risk stratification of ICU survivors at greatest risk of cognitive impairment and determine if electroencephalography (EEG) is an independent predictor of long-term cognitive impairment and possibly a candidate intermediate end point for future clinical trials...
July 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/28697253/effect-of-antidepressant-switching-vs-augmentation-on-remission-among-patients-with-major-depressive-disorder-unresponsive-to-antidepressant-treatment-the-vast-d-randomized-clinical-trial
#15
RANDOMIZED CONTROLLED TRIAL
Somaia Mohamed, Gary R Johnson, Peijun Chen, Paul B Hicks, Lori L Davis, Jean Yoon, Theresa C Gleason, Julia E Vertrees, Kimberly Weingart, Ilanit Tal, Alexandra Scrymgeour, David D Lawrence, Beata Planeta, Michael E Thase, Grant D Huang, Sidney Zisook, Sanjai D Rao, Patricia D Pilkinton, James A Wilcox, Ali Iranmanesh, Mamta Sapra, George Jurjus, James P Michalets, Muhammed Aslam, Thomas Beresford, Keith D Anderson, Ronald Fernando, Sriram Ramaswamy, John Kasckow, Joseph Westermeyer, Gihyun Yoon, D Cyril D'Souza, Gunnar Larson, William G Anderson, Mary Klatt, Ayman Fareed, Shabnam I Thompson, Carlos J Carrera, Solomon S Williams, Timothy M Juergens, Lawrence J Albers, Clifford S Nasdahl, Gerardo Villarreal, Julia L Winston, Cristobal A Nogues, K Ryan Connolly, Andre Tapp, Kari A Jones, Gauri Khatkhate, Sheetal Marri, Trisha Suppes, Joseph LaMotte, Robin Hurley, Aimee R Mayeda, Alexander B Niculescu, Bernard A Fischer, David J Loreck, Nicholas Rosenlicht, Steven Lieske, Mitchell S Finkel, John T Little
Importance: Less than one-third of patients with major depressive disorder (MDD) achieve remission with their first antidepressant. Objective: To determine the relative effectiveness and safety of 3 common alternate treatments for MDD. Design, Setting, and Participants: From December 2012 to May 2015, 1522 patients at 35 US Veterans Health Administration medical centers who were diagnosed with nonpsychotic MDD, unresponsive to at least 1 antidepressant course meeting minimal standards for treatment dose and duration, participated in the study...
July 11, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28691174/the-association-of-school-climate-depression-literacy-and-mental-health-stigma-among-high-school-students
#16
Lisa Townsend, Rashelle Musci, Elizabeth Stuart, Anne Ruble, Mary B Beaudry, Barbara Schweizer, Megan Owen, Carly Goode, Sarah L Johnson, Catherine Bradshaw, Holly Wilcox, Karen Swartz
BACKGROUND: Although school climate is linked with youth educational, socioemotional, behavioral, and health outcomes, there has been limited research on the association between school climate and mental health education efforts. We explored whether school climate was associated with students' depression literacy and mental health stigma beliefs. METHODS: Data were combined from 2 studies: the Maryland Safe Supportive Schools Project and a randomized controlled trial of the Adolescent Depression Awareness Program...
August 2017: Journal of School Health
https://www.readbyqxmd.com/read/28687797/operating-nanobeams-in-a-quantum-fluid
#17
D I Bradley, R George, A M Guénault, R P Haley, S Kafanov, M T Noble, Yu A Pashkin, G R Pickett, M Poole, J R Prance, M Sarsby, R Schanen, V Tsepelin, T Wilcox, D E Zmeev
Microelectromechanical (MEMS) and nanoelectromechanical systems (NEMS) are ideal candidates for exploring quantum fluids, since they can be manufactured reproducibly, cover the frequency range from hundreds of kilohertz up to gigahertz and usually have very low power dissipation. Their small size offers the possibility of probing the superfluid on scales comparable to, and below, the coherence length. That said, there have been hitherto no successful measurements of NEMS resonators in the liquid phases of helium...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28687411/systematic-review-of-bladder-cancer-outcomes-in-patients-with-spina-bifida
#18
K O Rove, D A Husmann, D T Wilcox, G J Vricella, T T Higuchi
BACKGROUND: In patients with congenital bladder anomalies, bladder augmentation is used as a last resort to reduce intravesical pressure, but concerns about malignant transformation in augmented patients were first raised in the 1980s. The best evidence to date indicates that augmentation does not appear to increase the risk of bladder cancer in spina bifida patients. To date, oncologic outcomes from patients with spina bifida with and without augmentation have only been available in small case reports...
June 1, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28684171/biomechanical-tensile-strength-analysis-for-medial-patellofemoral-ligament-reconstruction
#19
Patrick W Joyner, Jeremy Bruce, Travis S Roth, Frederic Baker Mills, Scott Winnier, Ryan Hess, Luke Wilcox, Aaron Mates, Tim Frerichs, James R Andrews, Charles A Roth
BACKGROUND: Medial patellofemoral ligament (MPFL) reconstruction is a surgery for acute and chronic dislocating patella. Several surgical techniques have been described. No biomechanical study has compared suture anchors, interference screws, and suspensory cortical fixation for MPFL reconstruction using human gracilis allograft. METHODS: Twelve human cadaver knees were used for the analysis of five MPFL reconstruction techniques on the femur (F) and patella (P): suspensory cortical (SC), interference screw (IS) and suture anchor (SA) fixation (SC-F/SC-P, SC-F/IS-P, SC-F/SA-P, IS-F/SC-P, IS-F/IS-P)...
July 3, 2017: Knee
https://www.readbyqxmd.com/read/28677420/a-prospective-observational-trial-assessing-the-efficacy-of-abdominal-compression-in-reducing-laparoscopic-induced-shoulder-pain
#20
Mark A Rettenmaier, John P Micha, Katrina L Lopez, Amber M Wilcox, Bram H Goldstein
INTRODUCTION: Postoperative shoulder pain is a condition associated with laparoscopic surgery and presumably attributed to residual carbon dioxide (CO2) in the abdomen. The intent of the current prospective, observational study was to assess the efficacy of abdominal compression in mitigating this painful complication. METHODS: We recruited 30 patients who were treated with laparoscopic surgery for the management of gynecologic disease. All study participants underwent abdominal compression to evacuate the CO2 associated with their pneumoperitoneum...
July 1, 2017: Surgical Innovation
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