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Eva Kudrnáčová, Luděk Bartoň, Daniel Bureš, Louwrens C Hoffman
Deer species are utilised for food, hunting and other products throughout the world. Consumers are typically exposed to venison derived predominantly from both farm-raised or wild fallow (Dama dama) and red deer (Cervus elaphus). The production of venison under farm conditions, compared to the meat of deer hunted in the wild, allows for a regular supply of a consistently good meat. It is lean, tasty, and rich in proteins and minerals, with a low content of fat and cholesterol. Overall, the worldwide demand for meat is still growing, and both the potential of farming deer species and their use as meat producers have led to an increased interest in venison...
March 8, 2018: Meat Science
Yanyong Guo, Zhibin Li, Yao Wu, Chengcheng Xu
Bicyclists running the red light at crossing facilities increase the potential of colliding with motor vehicles. Exploring the contributing factors could improve the prediction of running red-light probability and develop countermeasures to reduce such behaviors. However, individuals could have unobserved heterogeneities in running a red light, which make the accurate prediction more challenging. Traditional models assume that factor parameters are fixed and cannot capture the varying impacts on red-light running behaviors...
March 17, 2018: Accident; Analysis and Prevention
Marine Cotte, Tiphaine Fabris, Juliette Langlois, Ludovic Bellot-Gurlet, Françoise Ploye, Natalie Coural, Clotilde Boust, Jean-Paul Gandolfo, Thomas Galifot, Jean Susini
Louis Ducos du Huron (1837-1920) dedicated his entire life to the elaboration of physical-chemical processes for color photography. This study aimed at highlighting his unique contribution to three-color printing through 1) an in-depth review of the many protocols he published and 2) the synchrotron-based IR and X-ray microanalysis of fragments sampled in three artworks. Ducos du Hauron's method relied on the preparation and assembly of three monochromes (red, blue, yellow). This study brings to light complex multistep recipes based on photochemistry (carbon print), organic, and inorganic chemistry...
March 20, 2018: Angewandte Chemie
Lídia Resende Oliveira, Susane B Moscardini, Eduardo F Molina, Eduardo José Nassar, Marc Verelst, Lucas Alonso Rocha
In this work, we have investigated how the concentration of Gd<sup>3+</sup> ions affects the structural and luminescent properties of niobium oxide-based matrices doped with Eu<sup>3+</sup> ions obtained by the adapted non-hydrolytic sol-gel route. The X-ray diffractograms revealed that increasing concentration of Gd<sup>3+</sup> ions favored the onset of the Gd<sub>2</sub>O<sub>3</sub> structure decreasing the GdNbO<sub>4</sub> phase...
March 20, 2018: Nanotechnology
David Dreizin, Uttam Bodanapally, Alexis Boscak, Nikki Tirada, Ghada Issa, Jason W Nascone, Louis Bivona, Daniel Mascarenhas, Robert V O'Toole, Erika Nixon, Rong Chen, Eliot Siegel
Purpose To develop and test a computed tomography (CT)-based predictive model for major arterial injury after blunt pelvic ring disruptions that incorporates semiautomated pelvic hematoma volume quantification. Materials and Methods A multivariable logistic regression model was developed in patients with blunt pelvic ring disruptions who underwent arterial phase abdominopelvic CT before angiography from 2008 to 2013. Arterial injury at angiography requiring transarterial embolization (TAE) served as the outcome...
March 20, 2018: Radiology
Pola Shriber, Atanu Samanta, Gilbert Daniel Nessim, Ilya Grinberg
Black phosphorus (BP) is a layered semiconductor with outstanding properties, making it a promising candidate for optoelectronic and other applications. BP synthesis is an intriguing task, largely due to the insufficient understanding of the synthesis mechanism. In this work, we use density functional theory calculations to examine BP, and its precursor red phosphorus, as they are formed from P4 building blocks. Our results suggest that, without external effects such as pressure or addition of a catalyst, the precursor is energetically favored in the initial steps of the synthesis, even though BP is the more stable allotrope...
March 20, 2018: Journal of Physical Chemistry Letters
Tchin Darré, Bayaki Saka, Abas Mouhari-Toure, Mazamaesso Tchaou, Améyo Monique Dorkenoo, Kwamé Doh, Atchi Walla, Koffi Amégbor, Vincent Palokinam Pitché, Gado Napo-Koura
BACKGROUND: Mycetoma is a chronic inflammatory process caused either by fungi (eumycetoma) or bacteria (actinomycetoma). In this retrospective study, we report epidemiologic and histopathological data of mycetoma observed in the Lome Hospital, Togo in a 25-year period (1992-2016). METHODOLOGY: This is a retrospective study, over a period of 25 years, to analyze epidemiological and etiological findings of mycetomas seen in the single laboratory of pathological anatomy of the Lomé, Togo...
March 20, 2018: Mycopathologia
Michael Mazzeffi, Srikar Jonna, Natalia Blanco, Orestes Mavrothalassitis, Obi Odekwu, Magali Fontaine, Peter Rock, Kenichi Tanaka, Kerri Thom
BACKGROUND: Kidney transplant patients are frequently anemic and at risk for red blood cell (RBC) transfusion. Previous studies suggest that pre-transplant RBC transfusion may improve kidney transplant outcomes; however, RBC transfusion is also associated with infection. The purpose of our study was to characterize the relationships between intraoperative RBC transfusion, delayed graft function (DGF), postoperative surgical site infection (SSI), and sepsis. METHODS: Analysis was performed on a historical cohort of adult kidney transplant patients from a single medical center during a two-year period...
March 20, 2018: Journal of Anesthesia
Erdem Kucukal, Jane A Little, Umut A Gurkan
Non-adherence and deformability are the key intrinsic biomechanical features of the red blood cell (RBC), which allow it to tightly squeeze and pass through even the narrowest of microcirculatory networks. Blockage of microcirculatory flow, also known as vaso-occlusion, is a consequence of abnormal cellular adhesion to the vascular endothelium. In sickle cell disease (SCD), an inherited anaemia, even though RBCs have been shown to be heterogeneous in adhesiveness and deformability, this has not been studied in the context of physiologically relevant dynamic shear gradients at the microscale...
March 20, 2018: Integrative Biology: Quantitative Biosciences From Nano to Macro
Dongsheng Wang, Frank Schellenberger, Jonathan T Pham, Hans-Jürgen Butt, Si Wu
We used Azo/α-CD and ipAzo/γ-CD host-guest complexes to demonstrate that four independent stable states can be orthogonally photo-switched by UV (365 nm), blue (470 nm), green (530 nm) and red light (625 nm). A supramolecular patterned surface was fabricated and orthogonally photo-switched by light with different wavelengths.
March 20, 2018: Chemical Communications: Chem Comm
Robert G Ryan, Alastair Stacey, Kane M O'Donnell, Takeshi Ohshima, Brett Cameron Johnson, Lloyd C L Hollenberg, Paul Mulvaney, David Allan Simpson
Nanoscale quantum probes such as the nitrogen-vacancy (NV) centre in diamond have demonstrated remarkable sensing capabilities over the past decade as control over the fabrication and manipulation of these systems has evolved. The bio-compatibility and rich surface chemistry of diamond has added to the utility of these probes, but as the size of these nanoscale systems is reduced, the surface chemistry of diamond begins to impact the quantum properties of the NV centre. In this work, we systematically study the effect of the diamond surface chemistry on the quantum coherence of the NV centre in nanodiamonds 50 nm in size...
March 20, 2018: ACS Applied Materials & Interfaces
No abstract text is available yet for this article.
March 2018: MMW Fortschritte der Medizin
No abstract text is available yet for this article.
March 2018: MMW Fortschritte der Medizin
No abstract text is available yet for this article.
March 2018: MMW Fortschritte der Medizin
No abstract text is available yet for this article.
March 2018: MMW Fortschritte der Medizin
No abstract text is available yet for this article.
March 2018: MMW Fortschritte der Medizin
Xiangchun Zhang, Qing Yuan, Xueyun Gao
Membrane type 1 matrix metalloproteinase (MT1-MMP) is expressed in most tumors and is believed to play a key role in the development, invasion and metastasis of tumors. There is an urgent need to develop a simple method to detect the MT1-MMP expression level on cells. In this current study, we demonstrated a red emission Au cluster probes with the specific targeting of MT1-MMP on human dopaminergic neuroblastoma (SH-SY5Y) cells. More importantly, utilizing the intrinsic enzyme-like activity of the Au cluster probes, the expression level of MT1-MMP on the SH-SY5Y cells could be assessed by the naked eye without cell lysis and protein extraction process...
March 14, 2018: Science China. Life Sciences
Anne Donnet, Sylvain Redon
PURPOSE OF REVIEW: Cyclic vomiting syndrome (CVS) is a misrecognized and probably underdiagnosed episodic syndrome associated with migraine, occurring preferentially in childhood. Attacks are stereotyped for each individual, with predictable periodicity. This review summarizes recent clinical and paraclinical observations in this syndrome, and current approaches in explorations and therapeutics. RECENT FINDINGS: Clinical phenotype during prodromal, vomiting, and recovery phases contains visceral and neuropsychological symptoms, but also cranial and systemic symptoms...
March 19, 2018: Current Pain and Headache Reports
Akemi Wakayama, Yukari Seki, Rika Takahashi, Ikumi Umebara, Fumi Tanabe, Kosuke Abe, Fumiko Matsumoto, Yoshikazu Shimomura
PURPOSE: To examine the role of fusional convergence amplitude in postoperative phoria maintenance in childhood intermittent exotropia [X(T)]. METHODS: The medical records of 29 children aged 15 years or younger (mean age, 10.8 ± 2.4 years) and treated with monocular recession-resection for X(T) were reviewed retrospectively. The patients' fusional convergence amplitude (break point/total amplitudes), physiologic diplopia, and phoria maintenance (presence/absence of phoria maintenance and ability to maintain phoria) were assessed...
March 19, 2018: Japanese Journal of Ophthalmology
David L Duewer, Margaret C Kline, Erica L Romsos, Blaza Toman
The highly multiplexed polymerase chain reaction (PCR) assays used for forensic human identification perform best when used with an accurately determined quantity of input DNA. To help ensure the reliable performance of these assays, we are developing a certified reference material (CRM) for calibrating human genomic DNA working standards. To enable sharing information over time and place, CRMs must provide accurate and stable values that are metrologically traceable to a common reference. We have shown that droplet digital PCR (ddPCR) limiting dilution end-point measurements of the concentration of DNA copies per volume of sample can be traceably linked to the International System of Units (SI)...
March 19, 2018: Analytical and Bioanalytical Chemistry
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