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Kenneth A Kesler
No abstract text is available yet for this article.
May 28, 2018: Journal of Thoracic and Cardiovascular Surgery
William J Crump
No abstract text is available yet for this article.
June 2018: Family Medicine
Mengna Hou, Qing Li, Xiaoxue Liu, Chao Lu, Sen Li, Zhanzhong Wang, Leping Dang
Various active ingredients play a crucial role in providing and supplementing the nutritional requirements of organisms. In this work, we attempted to chemically manipulate the interfacial microstructure of oil-water microemulsions (ME) with carbon dots (CDs), concentrating on substantially enhancing the antioxidant capacity of α-linolenic acid (ALA). To this end, CDs were synthesized and introduced into an ME. The molecular interaction of surfactant with CDs was investigated by Fourier-transform infrared spectroscopy (FTIR) and nuclear magnetic resonance (NMR)...
June 22, 2018: Journal of Agricultural and Food Chemistry
Jiao Zhao, Suling Zhao, Zheng Xu, Dandan Song, Bo Qiao, Di Huang, Youqin Zhu, Yang Li, Zicha Li, Zilun Qin
The power conversion efficiencies (PCEs) of important application potential polymer solar cells (PSCs) have been rapidly exceeded 15%. However, these high-performance devices are based on halogenated solvents that pose a significant hazard to the atmospheric environment and human beings. The use of non-halogenated solvents makes the device less efficient due to its solubility issues. In this contribution, we report high efficiency devices utilising PffBT4T-2OD and PC71BM system, from non-halogenated solvents as o-xylene (o-XY) and 1-Methylnaphthalene (Me) hydrocarbon solvent...
June 22, 2018: ACS Applied Materials & Interfaces
Benjamin J Frogley, Anthony F Hill
The synthesis and characterization of the first examples of bimetallic bis(alkylidynyl)arsines, [RAs{C[triple bond, length as m-dash]M(CO)2(Tp*)}2] (M = Mo, R = Ph, Me; M = W, R = Ph, Me, nBu; Tp* = hydrotris(3,5-dimethylpyrazol-1-yl)borate) are described. For the tungsten complexes, these may be prepared by a potentially generalizable route: successive treatment of [W([triple bond, length as m-dash]CBr)(CO)2(Tp*)] with nBuLi, ACl3 (A = P, As) and a nucleophilic source of R- via the inferred intermediacy of [ClA{C[triple bond, length as m-dash]W(CO)2(Tp*)}2]...
June 22, 2018: Chemical Communications: Chem Comm
Philipp Höhn, Chris Braumann, Waldemar Uhl, Andreas M Luu
Infectious mononucleosis is a common disease of the adolescent caused by the Epstein-Barr virus (EBV). We present a rare case of a male adult with acalculous cholecystitis due to infectious mononucleosis. A correct diagnosis was challenging due to a false negative antibody test. Laboratory values were significant for a marked lymphocytosis and an early Immunoglobulin G (IgG) response without initial Immunoglobulin M (IgM) elevation. However, IgM antibodies were elevated two weeks later. Symptoms resolved quickly under symptomatic therapy...
April 19, 2018: Curēus
Keith J Geraghty, Charlotte Blease
OBJECTIVE: Despite the growing evidence of physiological and cellular abnormalities in myalgic encephalomyelitis (ME)/chronic fatigue syndrome (CFS), there has been a strong impetus to tackle the illness utilizing a biopsychosocial model. However, many sufferers of this disabling condition report distress and dissatisfaction following medical encounters. This review seeks to account for this discord. METHODS: A narrative review methodology is employed to synthesize the evidence for potential iatrogenesis...
June 21, 2018: Disability and Rehabilitation
Hao Chen, Xiaopeng Zhang, Xudong Jia, Zhaoping Liu
Benchmark dose (BMD) analysis is generally recognized superior to generate a point of departure (PoD) to conduct risk assessment on environmental toxicants, comparing with the traditionally employed no observed adverse effect level (NOAEL) or lowest observed adverse effect level (LOAEL) methods. However, only a few studies compared the two on producing PoD of thyroid toxicity caused by environmental chemicals. Here, we presented BMD analyses on several thyroid toxicity endpoints caused by a model chemical - propylthiouracil (PTU)...
June 18, 2018: Regulatory Toxicology and Pharmacology: RTP
Patricia C R Rabelo, Letícia Maria Souza Cordeiro, Nayara Soares Sena Aquino, Bruno B B Fonseca, Cândido Celso Coimbra, Samuel Penna Wanner, Raphael Escorsim Szawka, Danusa Dias Soares
The present study investigated whether intrinsic exercise capacity affects the changes in thermoregulation, metabolism and central dopamine (DA) induced by treadmill running. Male Wistar rats were subjected to three incremental exercises and ranked as low-performance (LP), standard-performance (SP) and high-performance (HP) rats. In the first experiment, abdominal (TABD ) and tail (TTAIL ) temperatures were registered in these rats during submaximal exercise (SE) at 60% of maximal speed. Immediately after SE, rats were euthanized and concentrations of DA and 3,4-dihydroxyphenylacetic acid (DOPAC) were determined in the preoptic area (POA)...
June 21, 2018: Journal of Applied Physiology
P D Harms, Dina V Krasikova, Fred Luthans
We propose the recently introduced implicit measure of psychological capital (PsyCap), the Implicit Psychological Capital Questionnaire (I-PCQ; Harms & Luthans, 2012), can provide a needed valid alternative to the self-report Psychological Capital Questionnaire (PCQ). We explain the development of the I-PCQ items, assess the structural validity of the instrument, test its vulnerability to response distortion, and assess its capacity to predicting work attitudes and behaviors vis-à-vis the PCQ and Big Five personality facets...
June 21, 2018: Journal of Personality Assessment
Pokhraj Ghosh, Manuel Quiroz, Randara Pulukkody, Nattamai Bhuvanesh, Marcetta Y Darensbourg
Cyanide, as an ambidentate ligand, plays a pivotal role in providing a simple diatomic building-block motif for controlled metal aggregation (M-CN-M'). Specifically, the inherent hard-soft nature of the cyanide ligand, i.e., hard-nitrogen and soft-carbon centers, is due to electronic handles for binding Lewis acids following the hard-soft acid-base principle. Studies by Holm and Karlin showed structural and electronic requirements for cyanide-bridged (por)FeIII-CN-CuII/I (por = porphyrin) molecular assemblies as biomimetics for cyanide-inhibited terminal quinol oxidases and cytochrome-C oxidase...
June 21, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
Angela M Dionisi, Julian Barling
The goal of this study was to examine the costs associated with witnessing the sexual harassment of a male colleague. More specifically, we investigate (a) whether observed male gender harassment is related to psychological and physical health, and negative and positive job-related behaviors and attitudes, and (b) the mediating roles of discrete negative emotions (anger, fear) and identity-based evaluations (collective self-esteem). We explore these questions in a sample of men and women employed in "blue collar" professions...
July 2018: Journal of Occupational Health Psychology
Martin Schmidt, Alina Romanovska, Youssef Wolf, Thanh-Duong Nguyen, Anna Krupp, Hannah Lea Tumbrink, Jonas Lategahn, Jan Volmer, Daniel Rauh, Stephen Luetz, Christian Krumm, Joerg C Tiller
The influence on the resistance formation of polymers attached to antibiotics is rarely investigated. In this study, ciprofloxacin (CIP) was conjugated to poly(2-methyl-2-oxazoline)s with an ethylene diamine end group (Me-PMOx28-EDA) via two different spacers (CIP modified with α,α´-dichloro-p-xylene - xCIP, CIP modified with chloroacetyl chloride - eCIP). The antibacterial activity of the conjugates against a number of bacterial strains shows a great dependence on the nature of the spacer. The Me-PMOx39-EDA-eCIP, containing a potentially cleavable linker, does not exhibit a molecular weight dependence on antibacterial activity in contrast to Me-PMOx27-EDA-xCIP...
June 21, 2018: Bioconjugate Chemistry
L S Donnelly, R L Shaw, M Pegington, C J Armitage, D G Evans, A Howell, M N Harvie
BACKGROUND: Weight-loss programmes requiring intermittent energy restriction offer an alternative to continuous energy restriction programmes that typically have low adherence. We reported greater weight loss, better adherence and spontaneous reduced energy intake on healthy eating days with intermittent as opposed to continuous energy restriction. The present study aims to explore why intermittent energy restriction diets exert these positive effects. METHODS: Semi-structured interviews were carried out with 13 women aged 39-62 years, who followed a 4-month intermittent energy restriction (2 days of low energy/low carbohydrate, 5 days of healthy eating)...
June 21, 2018: Journal of Human Nutrition and Dietetics: the Official Journal of the British Dietetic Association
Chiara Cosentino, Domenico Sgromo, Carla Merisio, Roberto Berretta, Carlo Pruneti
This study aimed to evaluate the psychological and physiological adjustment in a sample of Ovarian Cancer survivors. For all we know, this is the first time that such analysis has been performed in Italy. We assessed psychological adjustment along with physiological adjustment, measured through the basal Heart Rate Variability at rest. We assessed 38 women overall, aged 29-80 years, in follow up for ovarian cancer. Each participant filled a psycho-oncological record, Multidimensional Scale of Perceived Social Support, Derridford Appearance Scale-59, Mental Adjustment to Cancer and EORTC Quality of Life Questionnaire LQ-30 Version 3...
June 2018: Applied Psychophysiology and Biofeedback
Jingsong Zhao, Nageen Mir, Nicole Ackermann, Kimberly A Kaphingst, Mary C Politi
BACKGROUND: The rate of uninsured people has decreased dramatically since the Affordable Care Act was passed. To make an informed decision, consumers need assistance to understand the advantages and disadvantages of health insurance plans. The Show Me Health Plans Web-based decision support tool was developed to improve the quality of health insurance selection. In response to the promising effectiveness of Show Me Health Plans in a randomized controlled trial (RCT) and the growing need for Web-based health insurance decision support, the study team used expert recommendations for dissemination and implementation, engaged external stakeholders, and made the Show Me Health Plans tool available to the public...
June 20, 2018: Journal of Medical Internet Research
Stuart Kornfeld
My initial research experience involved studying how bacteria synthesize nucleotide sugars, the donors for the formation of cell wall polysaccharides. During this time, I became aware that mammalian cells also have a surface coat of sugars and was intrigued as to whether these sugars might be arranged in specific sequences that function as information molecules in biologic processes. Thus began a long journey that has taken me from glycan structural analysis and determination of plant lectin-binding preferences to the biosynthesis of Asn-linked oligosaccharides and the mannose 6-phosphate (Man-6-P) lysosomal enzyme targeting pathway...
June 20, 2018: Annual Review of Biochemistry
David A Gruenewald, Daniel Doan, Anne Poppe, Jacqueline Jones, Evelyn Hutt
OBJECTIVE: To describe the barriers and facilitators of end-of-life (EOL) care for Veterans without stable housing (VWSH) as perceived by Veterans at 1 VA medical center and EOL care staff. DESIGN: Qualitative descriptive study. Secondary applied content analysis of data from interviews and focus groups in our parent study. SETTING/PARTICIPANTS: VA Puget Sound Health Care System and VWSH. RESULTS: The core emergent theme in the words of Veterans and health-care workers was "meet me where I am," a statement of what many Veterans want most from their health care...
January 1, 2018: American Journal of Hospice & Palliative Care
Akira Shiono, Jiro Kogo, Hiroki Sasaki, Ryo Yomoda, Tatsuya Jujo, Naoto Tokuda, Yasushi Kitaoka, Hitoshi Takagi
PURPOSE: To examine the relationship between optical coherence tomography (OCT) images and clinical course in eyes with branch retinal vein occlusion (BRVO) treated with intravitreal ranibizumab injection (IVR). DESIGN: Prospective cohort study. PARTICIPANTS: Thirty eyes of 30 patients with BRVO treated with IVR. METHODS: All patients received 1 initial IVR followed by repeated injections in the pro re nata (PRN) regimen...
2018: PloS One
Junliang Zhang, Zhan-Ming Zhang, Bing Xu, Yanyan Qian, Lizuo Wu, Yuanqi Wu, Lujia Zhou, Yu Liu
The first example of highly enantioselective intramolecular hydroarylation of allyl aryl ethers was realized via palladium-catalyzed reductive heck reactions by utilizing a designed new chiral sulfonamide phosphine ligand (N-Me-XuPhos). N-Me-XuPhos can be easily prepared in a gram-scale from readily available starting materials via a 'one-pot' synthesis approach. A series of optically active 2,3-dihydrobenzofuran bearing a quaternary stereocenter were obtained in good yields with excellent enantioselectivities...
June 20, 2018: Angewandte Chemie
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