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https://www.readbyqxmd.com/read/28930316/general-optimization-procedure-towards-the-design-of-a-new-family-of-minimal-parameter-spin-component-scaled-double-hybrid-density-functional-theory
#1
Loïc M Roch, Kim K Baldridge
A general optimization procedure towards the development and implementation of a new family of minimal parameter spin-component-scaled double-hybrid (mSD) density functional theory (DFT) is presented. The nature of the proposed exchange-correlation functional establishes a methodology with minimal empiricism. This new family of double-hybrid (DH) density functionals is demonstrated using the PBEPBE functional, illustrating the optimization procedure to the mSD-PBEPBE method, and the performance characteristics shown for a set of non-covalent complexes covering a broad regime of weak interactions...
September 20, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28924506/automated-classification-of-tropical-shrub-species-a-hybrid-of-leaf-shape-and-machine-learning-approach
#2
Miraemiliana Murat, Siow-Wee Chang, Arpah Abu, Hwa Jen Yap, Kien-Thai Yong
Plants play a crucial role in foodstuff, medicine, industry, and environmental protection. The skill of recognising plants is very important in some applications, including conservation of endangered species and rehabilitation of lands after mining activities. However, it is a difficult task to identify plant species because it requires specialized knowledge. Developing an automated classification system for plant species is necessary and valuable since it can help specialists as well as the public in identifying plant species easily...
2017: PeerJ
https://www.readbyqxmd.com/read/28923117/efficacy-of-fluralaner-bravecto%C3%A2-chewable-tablets-for-the-treatment-of-naturally-acquired-linognathus-setosus-infestations-on-dogs
#3
Heike Kohler-Aanesen, Seppo Saari, Rob Armstrong, Karine Péré, Janina Taenzler, Eva Zschiesche, Anja R Heckeroth
BACKGROUND: The clinical efficacy of fluralaner chewable tablets (Bravecto™, MSD Animal Health) against naturally acquired Linognathus setosus infestations on dogs was evaluated compared with permethrin (Exspot®, MSD Animal Health) treatment. METHODS: Privately-owned dogs naturally infested with L. setosus from 21 different households were randomly allocated to two treatment groups. Fourteen dogs were treated once orally with fluralaner and ten dogs were treated once topically with permethrin, at the recommended label dose...
September 18, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28920611/an-efficient-algorithm-for-extracting-the-magnitude-of-the-measurement-error-for-fractional-dynamics
#4
G Sikora, E Kepten, A Weron, M Balcerek, K Burnecki
Modern live-imaging fluorescent microscopy techniques following the stochastic motion of labeled tracer particles, i.e. single particle tracking (SPT) experiments, have uncovered significant deviations from the laws of Brownian motion in a variety of biological systems. Accurately characterizing the anomalous diffusion for SPT experiments has become a central issue in biophysics. However, measurement errors raise difficulty in the analysis of single trajectories. In this paper, we introduce a novel surface calibration method based on a fractionally integrated moving average (FIMA) process as an effective tool for extracting both the magnitude of the measurement error and the anomalous exponent for autocorrelated processes of various origins...
September 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28918476/effects-of-stocking-density-on-lipid-deposition-and-expression-of-lipid-related-genes-in-amur-sturgeon-acipenser-schrenckii
#5
Yuanyuan Ren, Haishen Wen, Yun Li, Jifang Li, Feng He, Meng Ni
To investigate the correlation between lipid deposition variation and stocking density in Amur sturgeon (Acipenser schrenckii) and the possible physiological mechanism, fish were conducted in different stocking densities (LSD 5.5 kg/m(3), MSD 8.0 kg/m(3), and HSD 11.0 kg/m(3)) for 70 days and then the growth index, lipid content, lipase activities, and the mRNA expressions of lipid-related genes were examined. Results showed that fish subjected to higher stocking density presented lower final body weights (FBW), specific growth ratio (SGR), and gonad adipose tissue index (GAI) (P < 0...
September 16, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28917550/antidiabetic-potential-of-methanolic-and-flavonoid-rich-leaf-extracts-of-synsepalum-dulcificum-in-type-2-diabetic-rats
#6
Olabisi T Obafemi, Clement A Akinmoladun, Tolulope M Olaleye, Stephen O Agboade, Amos A Onasanya
BACKGROUND: Synsepalum dulcificum is a plant indigenous to West Africa. The fruit is used to modify taste of foods to sweetness. OBJECTIVES: This study aims to investigate the antidiabetic potentials of both methanolic and flavonoid-rich leaf extracts of S. dulcificum (MSD and FSD respectively) in type 2 diabetic Wistar albino rats. MATERIALS AND METHODS: Sixty three rats were randomly distributed into nine groups of seven animals each with group 1 serving as the normal control...
September 13, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/28916702/the-benefits-of-bursaries
#7
(no author information available yet)
As a vet student, Michelle Townley benefited from a student research bursary awarded by MSD Animal Health. The experiences she gained through her research helped her in clinical practice. She now works for MSD Animal Health and, by coincidence, is the company's bursary coordinator.
September 16, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28914324/multiple-particle-tracking-study-of-thermally-gelling-nanoemulsions
#8
Li-Chiun Cheng, Lilian C Hsiao, Patrick S Doyle
We perform multiple particle tracking (MPT) on a thermally-gelling oil-in-water nanoemulsion system. Carboxylated and plain polystyrene probes are used to investigate the role of colloidal probe size and surface chemistry on MPT in the nanoemulsion system. As temperature increases, hydrophobic groups of PEG-based gelators (PEGDA) partition into the oil/water interface and bridge droplets. This intercolloidal attraction generates a wide variety of microstructures consisting of droplet-rich and droplet-poor phases...
September 15, 2017: Soft Matter
https://www.readbyqxmd.com/read/28904640/short-term-dietary-methionine-supplementation-affects-one-carbon-metabolism-and-dna-methylation-in-the-mouse-gut-and-leads-to-altered-microbiome-profiles-barrier-function-gene-expression-and-histomorphology
#9
Isabelle R Miousse, Rupak Pathak, Sarita Garg, Charles M Skinner, Stepan Melnyk, Oleksandra Pavliv, Howard Hendrickson, Reid D Landes, Annie Lumen, Alan J Tackett, Nicolaas E P Deutz, Martin Hauer-Jensen, Igor Koturbash
BACKGROUND: Methionine, a central molecule in one-carbon metabolism, is an essential amino acid required for normal growth and development. Despite its importance to biological systems, methionine is toxic when administered at supra-physiological levels. The aim of this study was to investigate the effects of short-term methionine dietary modulation on the proximal jejunum, the section of the gut specifically responsible for amino acid absorption, in a mouse model. Eight-week-old CBA/J male mice were fed methionine-adequate (MAD; 6...
2017: Genes & Nutrition
https://www.readbyqxmd.com/read/28902338/confluent-endpoint-subthreshold-argon-laser-for-serous-macular-detachment-in-tilted-disc-syndrome-refractory-to-anti-vegf
#10
Maria Fernanda Abalem, Pedro Carlos Carricondo, Helen Nazareth Veloso Dos Santos, Rafael Garcia, Cynthia X Qian, John Helal, Eduardo Cunha de Souza, Walter Yukihiko Takahashi
A 70-year-old woman presented with 20/200 visual acuity in the right eye. Multimodal imaging revealed tilted disc syndrome (TDS) with macular serous detachment (MSD) and pigmentary changes at the temporal margin of the optic disc. Subretinal fluid persisted after three monthly intravitreal bevacizumab (Avastin; Genentech, South San Francisco, CA) injections and threshold focal laser photocoagulation. Subsequently, confluent subthreshold argon laser was applied over the entire area of retinal pigment epithelium (RPE) abnormalities, resulting in the resolution of subretinal fluid without recurrence through 3 years of follow-up...
September 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28901953/enhanced-magnetostriction-derived-from-magnetic-single-domain-structures-in-cluster-assembled-smco-films
#11
Yulong Bai, Bo Yang, Fei Guo, Qingshan Lu, Shifeng Zhao
Cluster-assembled SmCo alloy films were prepared by low energy cluster beam deposition. The structure, magnetic domain, magnetization, and magnetostriction of the films were characterized. It is shown that the as-prepared films are assembled in compact and uniformly distributed spherical cluster nanoparticles, most of which, after vacuum in-situ annealing at 700 K, aggregated to form cluster islands. These cluster islands result in transformations from superparamagnetic states to magnetic single domain (MSD) states in the films...
September 13, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28899384/systematic-review-of-quantitative-imaging-biomarkers-for-neck-and-shoulder-musculoskeletal-disorders
#12
Judith E Gold, David M Hallman, Fredrik Hellström, Martin Björklund, Albert G Crenshaw, Svend Erik Mathiassen, Mary F Barbe, Sayed Ali
BACKGROUND: This study systematically summarizes quantitative imaging biomarker research in non-traumatic neck and shoulder musculoskeletal disorders (MSDs). There were two research questions: 1) Are there quantitative imaging biomarkers associated with the presence of neck and shoulder MSDs?, 2) Are there quantitative imaging biomarkers associated with the severity of neck and shoulder MSDs? METHODS: PubMed and SCOPUS were used for the literature search. One hundred and twenty-five studies met primary inclusion criteria...
September 12, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28879192/unsuccessful-treatment-of-alopecia-areata-with-simvastatin-ezetimibe-experience-in-12-patients
#13
Mabe Freitas Gouveia, Ralph M Trüeb
BACKGROUND/AIMS: Alopecia areata is a common immune-mediated hair condition with limited treatment options and success rates. There is evidence that statins, which are used for reducing atherogenesis and cardiovascular disease, have immunomodulatory activities and therefore may also be used for treatment of selected dermatologic conditions, including alopecia areata. Among treatments evaluated for alopecia areata, oral simvastatin/ezetimibe therapy is currently under the scrutiny of expert opinion...
August 2017: Skin Appendage Disorders
https://www.readbyqxmd.com/read/28867283/kynurenic-acid-is-reduced-in-females-and-oral-contraceptive-users-implications-for-depression
#14
Timothy B Meier, Wayne C Drevets, T Kent Teague, Brent E Wurfel, Sven C Mueller, Jerzy Bodurka, Robert Dantzer, Jonathan Savitz
The incidence of depression is approximately 2-fold greater in women than men but the biological mechanisms underlying this phenomenon remain unclear. One potential mechanism that has been understudied is immune function, which is modulated by sex hormones and differs considerably between males and females. The immune-regulating kynurenine pathway previously has been implicated in the pathogenesis of mood disorders. In particular, a decreased ratio of neuroprotective (kynurenic acid; KynA) to neurotoxic (3-hydroxykynurenine; 3HK and quinolinic acid; QA) kynurenine pathway metabolites has been reported in several mood disorder subtypes...
September 1, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28861123/an-explorative-qualitative-study-to-determine-the-footwear-needs-of-workers-in-standing-environments
#15
Jennifer Anderson, Anita E Williams, Christopher Nester
BACKGROUND: Many work places require standing for prolonged periods of time and are potentially damaging to health, with links to musculoskeletal disorders and acute trauma from workplace accidents. Footwear provides the only interaction between the body and the ground and therefore a potential means to impact musculoskeletal disorders. However, there is very limited research into the necessary design and development of footwear based on both the physical environmental constraints and the personal preference of the workers...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28858374/pten-allelic-loss-is-an-important-mechanism-in-the-late-stage-of-development-of-oral-leukoplakia-into-oral-squamous-cell-carcinoma
#16
Ligia Akiko Ninokata Miyahara, Flávia Sirotheau Corrêa Pontes, Rommel Mario Rodríguez Burbano, Nicolau Conte Neto, Douglas Magno Guimarães, Felipe Paiva Fonseca, Hélder Antônio Rebelo Pontes
OBJECTIVES: The aim of this study is to analyse allelic loss of the PTEN gene and its protein immunoexpression in dysplastic oral lesions and oral squamous cell carcinomas (OSCCs). MATERIALS AND METHODS: Samples were collected from 153 patients (20 ranulas used as a control - C, 30 leukoplakias with mild dysplasia - MD, 30 leukoplakias with moderate to severe dysplasia - MSD, and 73 OSCC). PTEN protein expression was investigated using immunohistochemistry, and PTEN allelic loss was analysed by fluorescence in situ hybridisation (FISH)...
August 31, 2017: Histopathology
https://www.readbyqxmd.com/read/28857194/local-incompressible-registration-for-liver-ablation-surgery-assessment
#17
Tianyu Fu, Qin Li, Dingkun Liu, Danni Ai, Hong Song, Ping Liang, Yongtian Wang, Jian Yang
PURPOSE: In liver microwave ablation (MWA) surgery, the ablation area covers the tumor to generate tissue necrosis and treat the cancer. As the liver deforms during the operation, deviation between the target area determined during pre-operative planning and the resultant ablation area is inevitable. Therefore, an accurate assessment of tumor coverage is crucial for treatment. Through registration between the pre- and post-operative livers, the ablation area is warped on the pre-operative liver for the computation of tumor coverage...
August 30, 2017: Medical Physics
https://www.readbyqxmd.com/read/28854719/techniques-used-for-iui-is-it-time-for-a-change
#18
L Lemmens, S Kos, C Beijer, D D M Braat, W L D M Nelen, A M M Wetzels
STUDY QUESTION: Are the guidelines for the technical aspects of IUI (WHO, 2010) still in accordance with the current literature? SUMMARY ANSWER: In general, the laboratory guidelines of the World Health Organization (WHO) are a suitable protocol, although the evidence is not always conclusive and some changes are advisable. WHAT IS KNOWN ALREADY: Lack of standardization of the technical procedures required for IUI might result in inter-laboratory variation in pregnancy rates...
September 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28854592/weight-reduction-intervention-for-obese-infertile-women-prior-to-ivf-a-randomized-controlled-trial
#19
Snorri Einarsson, Christina Bergh, Britt Friberg, Anja Pinborg, Anna Klajnbard, Per-Olof Karlström, Linda Kluge, Ingrid Larsson, Anne Loft, Anne-Lis Mikkelsen-Englund, Kaj Stenlöf, Anna Wistrand, Ann Thurin-Kjellberg
STUDY QUESTION: Does an intensive weight reduction programme prior to IVF increase live birth rates for infertile obese women? SUMMARY ANSWER: An intensive weight reduction programme resulted in a large weight loss but did not substantially affect live birth rates in obese women scheduled for IVF. WHAT IS ALREADY KNOWN: Among obese women, fertility and obstetric outcomes are influenced negatively with increased risk of miscarriage and a higher risk of maternal and neonatal complications...
August 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28854584/polycystic-ovarian-morphology-and-the-diagnosis-of-polycystic-ovary-syndrome-redefining-threshold-levels-for-follicle-count-and-serum-anti-m%C3%A3-llerian-hormone-using-cluster-analysis
#20
S Lie Fong, J S E Laven, A Duhamel, D Dewailly
STUDY QUESTION: Can cluster analysis be used to differentiate between normo-ovulatory women with normal ovaries and normo-ovulatory women with polycystic ovarian morphology (PCOM) in a non-subjective manner? SUMMARY ANSWER: Cluster analysis can be used to accurately and non-subjectively differentiate between normo-ovulatory women with normal ovaries and normo-ovulatory women with PCOM. WHAT IS KNOWN ALREADY: Currently, PCOM is diagnosed using a fixed threshold level, i...
August 1, 2017: Human Reproduction
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