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https://www.readbyqxmd.com/read/28933161/identifying-the-structural-basis-for-the-increased-stability-of-the-solid-electrolyte-interphase-formed-on-silicon-with-the-additive-fluoroethylene-carbonate
#1
Yanting Jin, Nis-Julian H Kneusels, Pieter C M M Magusin, Gunwoo Kim, Elizabeth Castillo-Martinez, Lauren E Marbella, Rachel N Kerber, Duncan J Howe, Subhradip Paul, Tao Liu, Clare P Grey
To elucidate the role of fluoroethylene carbonate (FEC) as an additive in the standard carbonate-based electrolyte for Li-ion batteries, the solid electrolyte interphase (SEI) formed during electrochemical cycling on silicon anodes was analyzed with a combination of solution and solid-state NMR techniques, including dynamic nuclear polarization. To facilitate characterization via 1D and 2D NMR, we synthesized (13)C-enriched FEC, ultimately allowing a detailed structural assignment of the organic SEI. We find that the soluble PEO-like linear oligomeric electrolyte breakdown products that are observed after cycling in the standard ethylene carbonate (EC)-based electrolyte are suppressed in the presence of 10 vol % FEC additive...
September 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28930670/post-migration-employment-changes-and-health-a-dyadic-spousal-analysis
#2
Annie Ro, Rachel E Goldberg
Prospective studies have found unemployment and job loss to be associated with negative psychological and physical health outcomes. For immigrants, the health implications of employment change cannot be considered apart from pre-migration experiences. While immigrants demonstrate relative success in securing employment in the United States, their work is often not commensurate with their education or expertise. Previous research has linked downward employment with adverse health outcomes among immigrants, but with gender differences...
September 6, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28930590/chelation-protocols-for-the-elimination-and-prevention-of-iron-overload-in-thalassaemia
#3
Annita Kolnagou, George John Kontoghiorghes
Iron overload toxicity is the main cause of mortality and morbidity in thalassaemia patients. The complete elimination and prevention of iron overload is the main aim of chelation therapy, which can be achieved by chelation protocols that can effectively remove excess iron load and maintain body iron at normal levels. Deferiprone and selected combinations with deferoxamine can be designed, adjusted and used effectively for removing all excess stored iron and for maintaining normal iron stores (NIS) in different categories of thalassaemia patients...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28921972/what-can-be-learned-from-nuclear-resonance-vibrational-spectroscopy-vibrational-dynamics-and-hemes
#4
W Robert Scheidt, Jianfeng Li, J Timothy Sage
Nuclear resonance vibrational spectroscopy (NRVS; also known as nuclear inelastic scattering, NIS) is a synchrotron-based method that reveals the full spectrum of vibrational dynamics for Mössbauer nuclei. Another major advantage, in addition to its completeness (no arbitrary optical selection rules), is the unique selectivity of NRVS. The basics of this recently developed technique are first introduced with descriptions of the experimental requirements and data analysis including the details of mode assignments...
September 18, 2017: Chemical Reviews
https://www.readbyqxmd.com/read/28920679/regioselective-synthesis-of-2-4-5-trisubstituted-oxazoles-and-ketene-aminals-via-hydroamidation-and-iodo-imidation-of-ynamides
#5
Rajendra Kumar Mallick, Baskaran Prabagar, Akhila Kumar Sahoo
A novel and straightforward protocol is demonstrated for the synthesis of highly substituted oxazole from readily accessible ynamides in the presence of ytterbium(III) trifluoromethanesulfonate [Yb(OTf)3], N-iodosuccinimide (NIS), and acetonitrile. Multiple oxazole skeletons in the aryl-periphery are constructed in a single operation for the first time. The hydroamidation and iodo-imidation of ynamides to tri- and tetra-substituted ketene aminals is exemplified. An isotope labeling experiment is used to identify the oxygen source in this transformation...
September 18, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28918786/-treatment-of-meniscal-pathology
#6
Martin Wyman Rathcke, Martin Lind, Morten Ilum Boesen, Nis Nissen, Anders Ploug Boesen, Bjarne Mygind-Klavsen, Per Hölmich
The menisci play a major role in knee function regarding joint movement, stability, load distribution and load transmission. Injuries to the menisci cause pain, and meniscal tears are a common reason for patient referral. In Denmark, partial meniscectomy increased significantly until 2010, and several studies have questioned the long-term effect of meniscectomy as an overall procedure. A Danish national clinical guideline on knee meniscal pathology was published in May 2016, and this article is a short summary of updated knowledge on meniscal pathology and relevant conclusions from the guideline...
September 18, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28916473/down-regulation-of-nox2-activity-in-phagocytes-mediated-by-atm-kinase-dependent-phosphorylation
#7
Sylvain Beaumel, Antoine Picciocchi, Franck Debeurme, Corinne Vivès, Anne-Marie Hesse, Myriam Ferro, Didier Grunwald, Heather Stieglitz, Pahk Thepchatri, Susan M E Smith, Franck Fieschi, Marie José Stasia
NADPH oxidases (NOX) have many biological roles, but their regulation to control production of potentially toxic ROS molecules remains unclear. A previously identified insertion sequence of 21 residues (called NIS) influences NOX activity, and its predicted flexibility makes it a good candidate for providing a dynamic switch controlling the NOX active site. We constructed NOX2 chimeras in which NIS had been deleted or exchanged with those from other NOXs (NIS1, 3 and 4). All contained functional heme and were expressed normally at the plasma membrane of differentiated PLB-985 cells...
September 13, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28904174/in-hospital-outcomes-of-tumor-lysis-syndrome-a-population-based-study-using-the-national-inpatient-sample
#8
Urshila Durani, Nilay D Shah, Ronald S Go
The epidemiology and outcomes of tumor lysis syndrome (TLS) are understudied. We used the National Inpatient Sample (NIS), a nationally representative weighted sample of all U.S. hospital discharges, to study outcomes and predictors of mortality in hospitalized patients with TLS. The NIS was queried for patients with a discharge diagnosis of TLS (ICD-9 code 277.88) from 2010-2013. Baseline characteristics and outcomes were analyzed. A multivariable logistic regression analysis was performed to identify predictors of mortality...
September 13, 2017: Oncologist
https://www.readbyqxmd.com/read/28902601/impact-of-diabetes-on-perioperative-complications-in-patients-undergoing-elective-total-shoulder-arthroplasty
#9
Siddharth Mahure, Brent Mollon, Mary Quien, Raj Karia, Joseph Zuckerman, Young Kwon
INTRODUCTION: Diabetes has been associated with negative outcomes following orthopaedic surgery. While previous studies have reported on diabetes-associated complications in shoulder arthroplasty, those cohorts were heterogeneous in terms of patient population, nature of elective surgery, and arthroplasty type. Given that the number of elective total shoulder arthroplasties (TSAs) performed has grown substantially in volume and is predicted to rise even further, it is important to recognize the role that diabetes may play in developing in-hospital complications within a more homogenous sample of patients undergoing elective TSA...
May 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28893208/trial-design-and-rationale-for-apollo-a-phase-3-placebo-controlled-study-of-patisiran-in-patients-with-hereditary-attr-amyloidosis-with-polyneuropathy
#10
David Adams, Ole B Suhr, Peter J Dyck, William J Litchy, Raina G Leahy, Jihong Chen, Jared Gollob, Teresa Coelho
BACKGROUND: Patisiran is an investigational RNA interference (RNAi) therapeutic in development for the treatment of hereditary ATTR (hATTR) amyloidosis, a progressive disease associated with significant disability, morbidity, and mortality. METHODS: Here we describe the rationale and design of the Phase 3 APOLLO study, a randomized, double-blind, placebo-controlled, global study to evaluate the efficacy and safety of patisiran in patients with hATTR amyloidosis with polyneuropathy...
September 11, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28882522/hospital-competitive-intensity-and-perioperative-outcomes-following-lumbar-spinal-fusion
#11
Wesley M Durand, Joseph R Johnson, Neill Y Li, JaeWon Yang, Adam E M Eltorai, J Mason DePasse, Alan H Daniels
BACKGROUND CONTEXT: Inter-hospital competition has been shown to influence adoption of surgical techniques and approaches, clinical patient outcomes, and healthcare resource utilization for select surgical procedures. However, little is known regarding these dynamics as they relate to spine surgery. PURPOSE: This investigation sought to examine the relationship between inter-hospital competitive intensity and perioperative outcomes following lumbar spinal fusion...
September 4, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28882352/adult-spinal-deformity-national-trends-in-the-presentation-treatment-and-perioperative-outcomes-from-2003-to-2010
#12
Peter G Passias, Cyrus M Jalai, Nancy Worley, Shaleen Vira, Bryan Marascalchi, Shearwood McClelland, Virginie Lafage, Thomas J Errico
STUDY DESIGN: Retrospective review of a prospective database. OBJECTIVES: To investigate adult spinal deformity (ASD) surgery outcome trends on a nationwide scale using the Nationwide Inpatient Sample (NIS) from 2003 to 2010. METHODS: ASD patients ≥25 years from 2003 to 2010 in the NIS undergoing anterior, posterior, or combined surgical approaches were included. Fractures, 9+ levels fused, or any cancer were excluded. Patient demographics, hospital data, and procedure-related complications were evaluated...
September 2017: Spine Deformity
https://www.readbyqxmd.com/read/28881379/trends-in-major-upper-abdominal-surgery-for-cancer-in-octogenarians-has-there-been-a-change-in-patient-selection
#13
Madalyn G Neuwirth, Christine Bierema, Andrew J Sinnamon, Douglas L Fraker, Rachel R Kelz, Robert E Roses, Giorgos C Karakousis
BACKGROUND: Although there is a general perception that, as the older population grows in number, more are undergoing surgery, there are few data on trends in major resections for cancer and short-term outcomes in this group. METHODS: The Nationwide Inpatient Sample was (NIS) used to estimate the national trends of major upper abdominal resections (esophagus, stomach, liver, pancreas) for cancer in octogenarians (aged ≥80 years) from 2001 to 2011. Resection rates performed per year were incidence-adjusted within this age group for each cancer type as determined by the NIS database...
September 7, 2017: Cancer
https://www.readbyqxmd.com/read/28881271/factor-vii-activating-protease-fsap-regulates-the-expression-of-inflammatory-genes-in-vascular-smooth-muscle-and-endothelial-cells
#14
Kristina Byskov, Thomas Boettger, Paul F Ruehle, Nis Valentin Nielsen, Michael Etscheid, Sandip M Kanse
BACKGROUND AND AIMS: The factor VII activating protease (FSAP) knockout mice have a bigger neointima after vascular injury and a larger infarct volume after stroke. The Marburg I (MI) single nucleotide polymorphism (SNP) in the FSAP-encoding gene is associated with an increased risk of stroke and carotid stenosis in humans. We hypothesize that the regulation of gene expression by FSAP in vascular cells accounts for its vasculo-regulatory properties. METHODS: Vascular smooth muscle cells (VSMC) and endothelial cells (EC) were stimulated with FSAP and a microarray-based expression analysis was performed...
August 25, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28881166/effect-of-combination-vaccines-on-completion-and-compliance-of-childhood-vaccinations-in-the-united-states
#15
Samantha K Kurosky, Keith L Davis, Girishanthy Krishnarajah
2 Vaccination at age-appropriate intervals increases protection against morbidity and mortality; however, compliance rates among children remain low partly due to a complicated vaccination schedule. Use of combination vaccines reduces the number of injections per visit; however, there is limited evidence quantifying the effect of combination vaccines on vaccination rates. To examine how combination vaccines impact childhood completion (receipt of recommended doses) and compliance (receipt of age-appropriate vaccinations) rates, this study analyzed vaccination data from the 2012 National Immunization Survey (NIS), a nationally representative cross-sectional survey of caregivers of children aged 24 to 35 months in the United States...
September 7, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28877405/egfr-targeting-and-shielding-of-pdna-lipopolyplexes-via-bivalent-attachment-of-a-sequence-defined-peg-agent
#16
Stephan Morys, Sarah Urnauer, Christine Spitzweg, Ernst Wagner
For successful nonviral gene delivery, cationic polymers are promising DNA carrier, which need to comprise several functionalities. The current work focuses on the postincorporation of epidermal growth factor receptor (EGFR) targeted PEGylation agents onto lipopolyplexes for pDNA delivery. T-shaped lipo-oligomers are previously found to be effective sequence-defined carriers for pDNA and siRNA. Here, the bis-oleoyl-oligoaminoethanamide 454 containing tyrosine trimer-cysteine ends is applied for complex formation with pDNA coding for luciferase or sodium iodide symporter (NIS)...
September 6, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28869022/-accidental-find-of-scrotal-tuberculosis-on-a-computed-tomography
#17
Thomas Christensen, Sami Beji, Nis Nørgaard
The prevalence of tuberculosis in Denmark is low compared to many developing countries. It is most commonly found in socially marginalized communities. We present an unusual case of a man, who was referred to urological treatment as a computed tomography had showed a tumour with a suspicious process in the left scrotum and in relation to the left seminal vesicle. Histopathology of the testis showed granuloma formation. A Ziehl-Neelsen staining showed no acid-fast bacilli, but polymerase chain reaction revealed Mycobacterium tuberculosis...
August 21, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28866023/where-do-trus-and-mri-guided-biopsies-miss-significant-prostate-cancer
#18
Lars Boesen, Nis Nørgaard, Vibeke Løgager, Ingegerd Balslev, Henrik S Thomsen
OBJECTIVE: To identify the location of missed sPCa lesions by transrectal ultrasound-guided (TRUSbx) and multiparametric MRI-guided biopsies (mpMRIbx) in men undergoing repeat biopsies. METHODS: 289 men with prior negative TRUSbx underwent mpMRI. The location of any suspicious lesion was registered and scored using PIRADS v1 classification according to the likelihood of being sPCa. All patients underwent repeat (re-)TRUSbx and targeted mpMRIbx (image fusion) of any suspicious lesion...
August 30, 2017: Urology
https://www.readbyqxmd.com/read/28864160/incidence-and-outcomes-of-heparin-induced-thrombocytopenia-in-patients-undergoing-vascular-surgery
#19
Rabail Chaudhry, Robert Wegner, John F Zaki, Greesha Pednekar, Alex Tse, Naveen Kukreja, Navneet Grewal, George W Williams
OBJECTIVE: The National Inpatient Sample (NIS) from years 2010 through 2012 was utilized to determine the incidence, predictive risk factors, and outcomes of heparin-induced thrombocytopenia (HIT) in patients undergoing vascular surgery. DESIGN: Retrospective population-based study. SETTING: Data from the National Inpatient Sample (NIS) (2011 through 2013) using specific International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) procedure codes corresponding with vascular surgery...
May 17, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28863453/pml-nuclear-bodies-are-altered-in-adult-onset-neuronal-intranuclear-hyaline-inclusion-disease
#20
Yuta Nakano, Junko Takahashi-Fujigasaki, Renpei Sengoku, Kazutomi Kanemaru, Tomio Arai, Takashi Kanda, Shigeo Murayama
Neuronal intranuclear hyaline inclusion disease (NIHID) is a neurodegenerative disorder characterized by the presence of eosinophilic nuclear inclusions (NIs) in diverse cell lines in systemic organs. Adult-onset NIHID typically manifests with dementia associated with leukoencephalopathy. The detection of NIs in skin biopsies is useful for an antemortem diagnosis. A previous analysis suggested that NIs in NIHID originated from nuclear bodies (NBs), an important nuclear domain related to the ubiquitin-p62-mediated protein degradation system...
July 1, 2017: Journal of Neuropathology and Experimental Neurology
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