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https://www.readbyqxmd.com/read/28098321/the-shortest-th-th-distance-from-a-new-type-of-quadruple-bond
#1
Han-Shi Hu, Nikolas Kaltsoyannis
Compounds featuring unsupported metal-metal bonds between actinide elements remain highly sought after yet confined experimentally to inert gas matrix studies. Notwithstanding this paucity, actinide-actinide bonding has been the subject of extensive computational research. In this contribution, high level quantum chemical calculations at both the scalar and spin-orbit levels are used to probe the Th-Th bonding in a range of zero valent systems of general formula LThThL. Several of these compounds have very short Th-Th bonds arising from a new type of Th-Th quadruple bond with a previously unreported electronic configuration featuring two unpaired electrons in 6d-based δ bonding orbitals...
January 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28097754/synthesis-of-bradyrhizose-oligosaccharides-relevant-to-the-bradyrhizobium-o-antigen
#2
Wei Li, Alba Silipo, Lotte Bettina Andersen Gersby, Mari-Anne Newman, Antonio Molinaro, Biao Yu
The unique α-(1→7)-bradyrhizoside linkages are constructed for the first time via judicious choice of the glycosylation partners and conditions, thus tetra- and penta-bradyrhizosides relevant to the peculiar O-antigen of Bradyrhizobium are synthesized, which are shown to adopt the defined right-handed helical conformations and to be unable to induce innate immune responses in plants.
January 18, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28097716/parental-knowledge-of-antibiotic-use-in-children-with-respiratory-infections-a-systematic-review
#3
REVIEW
Lourdes Cantarero-Arévalo, Mia Pavelics Hallas, Susanne Kaae
OBJECTIVE: Antimicrobial resistance (AMR) is an increasing global problem. AMR threatens the effective prevention and treatment of an ever-increasing range of infections caused by bacteria, parasites, viruses and fungi. The misuse and overuse of antibiotics (AB) is the major contributor to the emergence of resistant bacteria in humans. To present and describe characteristics in parents' knowledge about when and how to use AB for an upper respiratory tract infection (URTI), their attitudes towards doctors and AB use in general, and their behaviour when their child suffers from an URTI...
February 2017: International Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28097668/detection-and-pharmacokinetics-of-salmeterol-in-thoroughbred-horses-following-inhaled-administration
#4
S J Fenwick, P R Hincks, J P Scarth, M E Wieder, L L Hillyer, S W Paine
Salmeterol is a man-made beta-2-adrenergic receptor agonist used to relieve bronchospasm associated with inflammatory airway disease in horses. Whilst judicious use is appropriate in horses in training, they cannot race with clinically effective concentrations of medications under the British Horseracing Authority's Rules of Racing. Salmeterol must therefore be withdrawn prior to race day and pharmacokinetic (PK) studies used to establish formal detection time advice. Salmeterol xinafoate (Serevent Evohaler(®) ) was administered (0...
January 17, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28097506/bioequivalence-methodologies-for-topical-drug-products-in-vitro-and-ex-vivo-studies-with-a-corticosteroid-and-an-anti-fungal-drug
#5
Leila Bastos Leal, Sarah F Cordery, M Begoña Delgado-Charro, Annette L Bunge, Richard H Guy
OBJECTIVE: To examine whether in vitro and ex vivo measurements of topical drug product performance correlate with in vivo outcomes, such that more efficient experimental approaches can be reliably and reproducibly used to establish (in)equivalence between formulations for skin application. MATERIALS AND METHODS: In vitro drug release through artificial membranes, and drug penetration into porcine skin ex vivo, were compared with published human in vivo studies...
January 17, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28095345/forensic-assignment-to-geographic-origin-a-useful-tool-in-seafood-fraud-control
#6
J L Horreo, G Machado-Schiaffino, E García-Vázquez
Seafood fraud is an economically motivated and widely spread problem encompassing drastic consequences in both public health and species conservation. In Northern Spain, only the first Atlantic salmon (Salmo salar) catch of the angling season (named Campanu) can be sold. In the year 2011, an angler denounced it on regional Court claiming that the Campanu (which was sold in 6000€) was fraudulent because it had been caught from another river than the fisherman ("the seller") stated. Here, we report the first judicial case of application of geographical genetic assignment in a fish species in Spain...
January 10, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28094434/the-effect-of-remifentanil-on-propofol-requirements-to-achieve-loss-of-response-to-command-vs-loss-of-response-to-pain
#7
H B Scott, S W Choi, G T C Wong, M G Irwin
When providing total intravenous anaesthesia, careful selection of end-points is required in titrating dose to effect during induction. Although propofol and remifentanil have predominantly different pharmacodynamic effects, they are seen to interact in achieving loss of consciousness and analgesia. To highlight these differences, we performed a double-blind, randomised controlled trial, comparing one group of patients receiving propofol alone (n = 42) with another group receiving remifentanil plus propofol (n = 46) as a target-controlled infusion of remifentanil (Minto; 3 ng...
January 17, 2017: Anaesthesia
https://www.readbyqxmd.com/read/28092952/total-synthesis-of-zaragozic-acid-c-implementation-of-photochemi-cal-c-sp3-h-acylation
#8
Takahiro Kawamata, Masanori Nagatomo, Masayuki Inoue
Zaragozic acid C (1) was isolated as a potent squalene synthase inhibitor. The 2,8-dioxabicyclo[3.2.1]octane core of 1 is decorated with the three hydroxycarbonyl (C3,4,5), two hydroxy (C4,7), one acyloxy (C6), and one alkyl (C1) groups. Installation of the contiguous C4- and C5-fully-substituted carbons presents a formidable synthetic challenge. Our approach to addressing this problem utilized a two-step photochemical C(sp3)-H acylation. Persilylated D-gluconolactone 4 was derivatized into 3 with the 1,2-diketone moiety at the C5-tetrasubstituted center...
January 16, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28091816/pediatric-cerebral-sinovenous-thrombosis-following-cranial-surgery
#9
Dmitriy Petrov, Michael Y Uohara, Rebecca Ichord, Zarina Ali, Laura Jastrzab, Shih-Shan Lang, Lori Billinghurst
PURPOSE: Pediatric cerebral sinovenous thrombosis (CSVT) is an important, though less common subtype of pediatric stroke. It has been linked to several risk factors, including cranial procedures, with few studies highlighting this relationship. The aim of this study was to characterize the diagnosis and treatment of CSVT after cranial surgery. METHODS: An institutional pediatric stroke research database was used to identify all CSVT cases diagnosed within 30 days of cranial surgery from November 2004 to December 2014...
January 14, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28087475/immunohistochemical-approach-for-the-diagnosis-of-a-liver-mass-on-small-biopsy-specimens
#10
Won-Tak Choi, Rageshree Ramachandran, Sanjay Kakar
Well-differentiated hepatocellular carcinoma (HCC) shares overlapping histological features with benign hepatocellular lesions, including hepatocellular adenoma (HCA) and focal nodular hyperplasia (FNH) in non-cirrhotic liver, and with high-grade dysplastic nodule (HGDN) in cirrhotic liver. Several metastatic tumors, such as neuroendocrine tumor, renal cell carcinoma, adrenocortical carcinoma, melanoma, and epithelioid angiomyolipoma, can be indistinguishable from HCC on histologic grounds. Since this distinction has important therapeutic implications, judicious use of immunohistochemical markers plays an important role in establishing an accurate diagnosis, especially when limited material of tumor is available on cell block or a small core biopsy...
January 10, 2017: Human Pathology
https://www.readbyqxmd.com/read/28074587/after-the-dnr-surrogates-who-persist-in-requesting-cardiopulmonary-resuscitation
#11
Ellen M Robinson, Wendy Cadge, Angelika A Zollfrank, M Cornelia Cremens, Andrew M Courtwright
Some health care organizations allow physicians to withhold cardiopulmonary resuscitation from a patient, despite patient or surrogate requests that it be provided, when they believe it will be more harmful than beneficial. Such cases usually involve patients with terminal diagnoses whose medical teams argue that aggressive treatments are medically inappropriate or likely to be harmful. Although there is state-to-state variability and a considerable judicial gray area about the conditions and mechanisms for refusals to perform CPR, medical teams typically follow a set of clearly defined procedures for these decisions...
January 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28074373/introduction-to-the-special-issue-precarious-solidarity-preferential-access-in-canadian-health-care
#12
Lynette Reid
Systems of universal health coverage may aspire to provide care based on need and not ability to pay; the complexities of this aspiration (conceptual, practical, and ethical) call for normative analysis. This special issue arises in the wake of a judicial inquiry into preferential access in the Canadian province of Alberta, the Vertes Commission. I describe this inquiry and set out a taxonomy of forms of differential and preferential access. Papers in this special issue focus on the conceptual specification of health system boundaries (the concept of medical need) and on the normative questions raised by complex models of funding and delivery of care, where patients, providers, and services cross system boundaries...
January 10, 2017: Health Care Analysis: HCA: Journal of Health Philosophy and Policy
https://www.readbyqxmd.com/read/28074125/shiga-vero-toxin-producing-escherichia-coli-isolated-from-the-hospital-foods-virulence-factors-o-serogroups-and-antimicrobial-resistance-properties
#13
Reza Ranjbar, Mojtaba Masoudimanesh, Farhad Safarpoor Dehkordi, Nematollah Jonaidi-Jafari, Ebrahim Rahimi
BACKGROUND: According to the presence of the weak, diabetic and immunosuppressive patients in hospitals, hospital foods should have a high quality and safety. Cooking a lot of foods higher than daily requirement, storage of cooked foods in an inappropriate condition and presence of nurses and servants in distribution of food to patients are the main reasons caused contamination of hospital foods. Shiga toxigenic Escherichia coli is one of the common cause of food poisoning in hospitals...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28073264/metal-organic-polyhedra-coated-si-nanowires-for-the-sensitive-detection-of-trace-explosives
#14
Anping Cao, Wei Zhu, Jin Shang, Johan H Klootwijk, Ernst J R Sudhölter, Jurriaan Huskens, Louis C P M de Smet
Surface-modified silicon nanowire-based field-effect transistors (SiNW-FETs) have proven to be a promising platform for molecular recognition in miniature sensors. In this work, we present a novel nanoFET device for the sensitive and selective detection of explosives based on affinity layers of metal-organic polyhedra (MOPs). The judicious selection of the geometric and electronic characteristics of the assembly units (organic ligands and unsaturated metal site) embedded within the MOP cage allowed for the formation of multiple charge-transfer (CT) interactions to facilitate the selective explosive inclusion...
January 11, 2017: Nano Letters
https://www.readbyqxmd.com/read/28072647/tools-for-practical-psychotherapy-a-transtheoretical-collection-or-interventions-which-have-at-least-worked-for-us
#15
Joel Yager, Robert E Feinstein
BACKGROUND AND OBJECTIVES: Regardless of their historical and theoretical roots, strategies, tactics, and techniques used in everyday psychotherapy across diverse theoretical schools contain common factors and methods from other specific psychotherapeutic modalities that contribute substantially to psychotherapy outcomes. Common factors include alliance, empathy, goal consensus/collaboration, positive regard/affirmation, and congruence/genuineness, among others. All therapies also recognize that factors specific to therapists impact treatment...
January 2017: Journal of Psychiatric Practice
https://www.readbyqxmd.com/read/28072601/risk-factors-and-clinical-outcomes-associated-with-perioperative-transfusion-associated-circulatory-overload
#16
Leanne Clifford, Qing Jia, Arun Subramanian, Hemang Yadav, Darrell R Schroeder, Daryl J Kor
BACKGROUND: Transfusion-associated circulatory overload remains underappreciated in the perioperative environment. The authors aimed to characterize risk factors for perioperative transfusion-associated circulatory overload and better understand its impact on patient-important outcomes. METHODS: In this case-control study, 163 adults undergoing noncardiac surgery who developed perioperative transfusion-associated circulatory overload were matched with 726 transfused controls who did not develop respiratory complications...
January 10, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28072555/on-constructing-ensembles-for-combinatorial-optimisation
#17
Emma Hart, Kevin Sim
Although the use of ensemble methods in machine-learning is ubiquitous due to their proven ability to outperform their constituent algorithms, ensembles of optimisation algorithms have received relatively little attention. Existing approaches lag behind machine-learning in both theory and practice, with no principled design guide-lines available. In this paper, we address fundamental questions regarding ensemble composition in optimisation using the domain of bin-packing as a example; in particular we investigate the trade-off between accuracy and diversity, and whether diversity metrics can be used as a proxy for constructing an ensemble, proposing a number of novel metrics for comparing algorithm diversity...
January 10, 2017: Evolutionary Computation
https://www.readbyqxmd.com/read/28069782/delivering-patient-centred-care-in-rural-family-practice-using-the-patient-s-concept-of-health-to-guide-treatment
#18
Jennifer M Charlesworth, Evelyn McManus
Through an examination of the life of an 83-year-old patient diagnosed clinically with secondary progressive multiple sclerosis (MS), general practice specialists, consultants and junior doctors will see the importance of assessing their patient's concept of health and how to use this understanding to target healthcare options within their healthcare system. This article highlights, in a resource limited context of rural family practice, the utility of a strong physician-patient relationship, recalls the definition of patient-centred care, and the role of judicious inaction in certain contexts...
January 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28068502/-our-time-is-up-a-relational-perspective-on-the-ending-of-a-single-psychotherapy-session
#19
Jerome S Gans
This paper, written from a relational perspective, examines the final minutes of an individual psychotherapy session, and is organized around the topics of boundary negotiation, unwitting self-disclosures, visual challenges, and countertransference. Attending to session-ending material is important because the separation involved lends heightened emotional intensity to the oftensignificant material that appears in the final minutes. This material often serves as a bridge to the psychotherapeutic work to be taken up in subsequent sessions...
December 31, 2016: American Journal of Psychotherapy
https://www.readbyqxmd.com/read/28067242/submesoscale-transition-from-geostrophic-flows-to-internal-waves-in-the-northwestern-pacific-upper-ocean
#20
Bo Qiu, Toshiya Nakano, Shuiming Chen, Patrice Klein
With radar interferometry, the next-generation Surface Water and Ocean Topography satellite mission will improve the measured sea surface height resolution down to 15 km, allowing us to investigate for the first time the global upper ocean variability at the submesoscale range. Here, by analysing shipboard Acoustic Doppler Current Profiler measurements along 137°E in the northwest Pacific of 2004-2016, we show that the observed upper ocean velocities are comprised of balanced geostrophic flows and unbalanced internal waves...
January 9, 2017: Nature Communications
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