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https://www.readbyqxmd.com/read/29331820/using-vibrational-molecular-spectroscopy-to-reveal-association-of-steam-flaking-induced-carbohydrates-molecular-structural-changes-with-grain-fractionation-biodigestion-and-biodegradation
#1
Ningning Xu, Jianxin Liu, Peiqiang Yu
Advanced vibrational molecular spectroscopy has been developed as a rapid and non-destructive tool to reveal intrinsic molecular structure conformation of biological tissues. However, this technique has not been used to systematically study flaking induced structure changes at a molecular level. The objective of this study was to use vibrational molecular spectroscopy to reveal association between steam flaking induced CHO molecular structural changes in relation to grain CHO fractionation, predicted CHO biodegradation and biodigestion in ruminant system...
January 5, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29331549/is-sequence-awareness-mandatory-for-perceptual-sequence-learning-an-assessment-using-a-pure-perceptual-sequence-learning-design
#2
Natacha Deroost, Daphné Coomans
We examined the role of sequence awareness in a pure perceptual sequence learning design. Participants had to react to the target's colour that changed according to a perceptual sequence. By varying the mapping of the target's colour onto the response keys, motor responses changed randomly. The effect of sequence awareness on perceptual sequence learning was determined by manipulating the learning instructions (explicit versus implicit) and assessing the amount of sequence awareness after the experiment. In the explicit instruction condition (n = 15), participants were instructed to intentionally search for the colour sequence, whereas in the implicit instruction condition (n = 15), they were left uninformed about the sequenced nature of the task...
January 10, 2018: Acta Psychologica
https://www.readbyqxmd.com/read/29331255/an-automated-and-robust-image-processing-algorithm-for-glaucoma-diagnosis-from-fundus-images-using-novel-blood-vessel-tracking-and-bend-point-detection
#3
Soorya M, Ashish Issac, Malay Kishore Dutta
Glaucoma is an ocular disease which can cause irreversible blindness. The disease is currently identified using specialized equipment operated by optometrists manually. The proposed work aims to provide an efficient imaging solution which can help in automating the process of Glaucoma diagnosis using computer vision techniques from digital fundus images. The proposed method segments the optic disc using a geometrical feature based strategic framework which improves the detection accuracy and makes the algorithm invariant to illumination and noise...
February 2018: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/29331055/the-challenges-and-possibilities-of-public-access-defibrillation
#4
REVIEW
Mattias Ringh, Jacob Hollenberg, Thea Palsgaard-Moeller, Leif Svensson, Mårten Rosenqvist, Freddy K Lippert, Mads Wissenberg, Carolina Malta Hansen, Andreas Claesson, Soren Viereck, Jolande A Zijlstra, Rudolph W Koster, Johan Herlitz, Marieke T Blom, Jo Kramer-Johansen, Hanno L Tan, Steffie Beesems, Michiel Hulleman, Theresa M Olasveengen, Fredrik Folke
Out-of-Hospital Cardiac Arrest (OHCA) is a major health problem that affects approximately four hundred thousand patients annually in the United States alone. It is a major challenge for the emergency medical system since decreased survival rates are directly proportional to the time delay from collapse to defibrillation. Historically, defibrillation has only been performed by physicians and in-hospital. With the development of automated external defibrillators (AEDs), rapid defibrillation by non-medical professionals and subsequently by trained or untrained lay bystanders has become possible...
January 13, 2018: Journal of Internal Medicine
https://www.readbyqxmd.com/read/29331038/modeling-strategic-sperm-allocation-tailoring-the-predictions-to-the-species
#5
Biz R Turnell, Kerry L Shaw, H Kern Reeve
Two major challenges exist when empirically testing the predictions of sperm allocation theory. First, the study species must adhere to the assumptions of the model being tested. Unfortunately, the common assumption of sperm allocation models that females mate a maximum of once or twice does not hold for many, if not most, multiply and sequentially mating animals. Second, a model's parameters, which dictate its predictions, must be measured in the study species. Common examples of such parameters, female mating frequency and sperm precedence patterns, are unknown for many species used in empirical tests...
January 13, 2018: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/29330624/functional-transcriptomic-annotation-and-protein-protein-interaction-network-analysis-identify-nek2-birc5-and-top2a-as-potential-targets-in-obese-patients-with-luminal-a-breast-cancer
#6
Miriam Nuncia-Cantarero, Sandra Martinez-Canales, Fernando Andrés-Pretel, Gabriel Santpere, Alberto Ocaña, Eva Maria Galan-Moya
PURPOSE: Although obesity is a risk factor for breast cancer, little effort has been made in the identification of druggable molecular alterations in obese-breast cancer patients. Tumors are controlled by their surrounding microenvironment, in which the adipose tissue is a main component. In this work, we intended to describe molecular alterations at a transcriptomic and protein-protein interaction (PPI) level between obese and non-obese patients. METHODS AND RESULTS: Gene expression data of 269 primary breast tumors were compared between normal-weight (BMI < 25, n = 130) and obese (IMC > 30, n = 139) patients...
January 12, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29330133/the-evaluation-of-drug-induced-changes-in-left-ventricular-function-in-pentobarbital-anesthetized-dogs
#7
Yevgeniya E Koshman, Brett R Herzberg, Terese R Seifert, James S Polakowski, Scott W Mittelstadt
INTRODUCTION: The goal of this study was to determine whether assessment of myocardial contractility and hemodynamics in an anesthetized dog model, could consistently detect drug-induced changes in the inotropic state of the heart using drugs known to have clinically relevant positive and negative effects on myocardial contractility. METHODS: Derived parameters included: diastolic, systolic and mean arterial BP, peak systolic LVP, HR, end-diastolic LVP, and LVdP/dtmax as the primary contractility index...
January 9, 2018: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/29330132/an-overview-of-the-safety-pharmacology-society-strategic-plan
#8
M K Pugsley, S Authier, J E Koerner, W S Redfern, C G Markgraf, T Brabham, K Correll, M V Soloviev, A Botchway, M Engwall, M Traebert, J-P Valentin, T J Mow, A Greiter-Wilke, D J Leishman, H M Vargas
Safety Pharmacology studies are conducted to characterize the confidence by which biologically active new chemical entities (NCE) may be anticipated as safe. Non-clinical safety pharmacology studies aim to detect and characterize potentially undesirable pharmacodynamic activities using an array of in silico, in vitro and in vivo animal models. While a broad spectrum of methodological innovation and advancement of the science occurs within the Safety Pharmacology Society, the society also focuses on partnerships with health authorities and technology providers and facilitates interaction with organizations of common interest such as pharmacology, physiology, neuroscience, cardiology and toxicology...
January 9, 2018: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/29330082/clinical-trials-recruitment-planning-a-proposed-framework-from-the-clinical-trials-transformation-initiative
#9
Grant D Huang, Jonca Bull, Beth Harper, Elizabeth Mahon, Kelly McKee, Jamie N Roberts
Patient recruitment is widely recognized as a key determinant of success for clinical trials. Yet a substantial number of trials fail to reach recruitment goals-a situation that has important scientific, financial, ethical, and policy implications. Further, there are important effects on stakeholders who directly contribute to the trial including investigators, sponsors, and study participants. Despite efforts over multiple decades to identify and address barriers, recruitment challenges persist. To advance a more comprehensive approach to trial recruitment, the Clinical Trials Transformation Initiative (CTTI) convened a project team to examine the challenges and to issue actionable, evidence-based recommendations for improving recruitment planning that extend beyond common study-specific strategies...
January 9, 2018: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/29330067/protein-complexes-as-psychiatric-and-neurological-drug-targets
#10
REVIEW
Akihiko S Kato, Jeffrey M Witkin
The need for improved medications for psychiatric and neurological disorders is clear. Difficulties in finding such drugs demands that all strategic means be utilized for their invention. The discovery of forebrain specific AMPA receptor antagonists, which selectively block the specific combinations of principal and auxiliary subunits present in forebrain regions but spare targets in the cerebellum, was recently disclosed. This discovery raised the possibility that other auxiliary protein systems could be utilized to help identify new medicines...
January 9, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29329288/soil-transmitted-helminth-infection-loss-of-education-and-cognitive-impairment-in-school-aged-children-a-systematic-review-and-meta-analysis
#11
Noel Pabalan, Eloisa Singian, Lani Tabangay, Hamdi Jarjanazi, Michael J Boivin, Amara E Ezeamama
BACKGROUND: Evidence of an adverse influence of soil transmitted helminth (STH) infections on cognitive function and educational loss is equivocal. Prior meta-analyses have focused on randomized controlled trials only and have not sufficiently explored the potential for disparate influence of STH infection by cognitive domain. We re-examine the hypothesis that STH infection is associated with cognitive deficit and educational loss using data from all primary epidemiologic studies published between 1992 and 2016...
January 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29329003/modified-forest-rotation-lengths-long-term-effects-on-landscape-scale-habitat-availability-for-specialized-species
#12
Jean-Michel Roberge, Karin Öhman, Tomas Lämås, Adam Felton, Thomas Ranius, Tomas Lundmark, Annika Nordin
We evaluated the long-term implications from modifying rotation lengths in production forests for four forest-reliant species with different habitat requirements. By combining simulations of forest development with habitat models, and accounting both for stand and landscape scale influences, we projected habitat availability over 150 years in a large Swedish landscape, using rotation lengths which are longer (+22% and +50%) and shorter (-22%) compared to current practices. In terms of mean habitat availability through time, species requiring older forest were affected positively by extended rotations, and negatively by shortened rotations...
January 9, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29328347/as-tall-as-my-peers-similarity-in-body-height-between-migrants-and-hosts
#13
Barry Bogin, Michael Hermanussen, Christiane Scheffler
Background: We define migrants as people who move from their place of birth to a new place of residence. Migration usually is directed by "Push-Pull" factors, for example to escape from poor living conditions or to find more prosperous socio-economic conditions. Migrant children tend to assimilate quickly, and soon perceive themselves as peers within their new social networks. Differences exist between growth of first generation and second generation migrants. Methods: We review body heights and height distributions of historic and modern migrant populations to test two hypotheses: 1) that migrant and adopted children coming from lower social status localities to higher status localities adjust their height growth toward the mean of the dominant recipient social network, and 2) social dominant colonial and military migrants display growth that significantly surpasses the median height of both the conquered population and the population of origin...
January 12, 2018: Anthropologischer Anzeiger; Bericht über die Biologisch-anthropologische Literatur
https://www.readbyqxmd.com/read/29328116/hybrid-sensing-face-detection-and-registration-for-low-light-and-unconstrained-conditions
#14
Mingyuan Zhou, Haiting Lin, S Susan Young, Jingyi Yu
The capability to track, detect, and identify human targets in highly cluttered scenes under extreme conditions, such as in complete darkness or on the battlefield, has been one of the primary tactical advantages in military operations. In this paper, we propose a new collaborative, multi-spectrum sensing method to achieve face detection and registration under low-light and unconstrained conditions. We design and prototype a novel type of hybrid sensor by combining a pair of near-infrared (NIR) cameras and a thermal camera (a long-wave infrared camera)...
January 1, 2018: Applied Optics
https://www.readbyqxmd.com/read/29327897/peripheral-arterial-occlusive-disease-and-perioperative-risk
#15
Peter Poredos, Pavel Poredos
Surgical procedures represent a risk for different complications which may appear during the perioperative period. Cardiac ischemic events and vascular complications are the most important causes of increased morbidity and mortality and they are much more frequent in patients with manifest cardiovascular disease. This is particularly seen in patients with peripheral arterial occlusive disease (PAD), which represents advanced atherosclerosis frequently accompanied by the presence of coronary artery disease. Therefore, patients with PAD need careful preoperative examination, including estimation of functional capacity and the presence of other co-existing atherosclerotic diseases...
January 11, 2018: International Angiology: a Journal of the International Union of Angiology
https://www.readbyqxmd.com/read/29327397/translating-international-hiv-treatment-guidelines-into-local-priorities-in-indonesia
#16
Noor Tromp, Rozar Prawiranegara, Adiatma Siregar, Rudi Wisaksana, Lucas Pinxten, Juul Pinxten, Arry Lesmana Putra, Deni Sunjaya Lesmana, Maarten Jansen, Jan Hontelez, Scott Maurits, Febrina Maharani, Leon Bijlmakers, Rob Baltussen
OBJECTIVE: International guidelines recommend countries to expand Antiretroviral therapy (ART) to all HIV-infected individuals and establish local-level priorities in relation to other treatment, prevention and mitigation interventions through fair processes. However, no practical guidance is provided for such priority setting processes. Evidence-informed deliberative processes (EDPs) fill this gap and combine stakeholder deliberation to incorporate relevant social values with rational decision-making informed by evidence on these values...
January 12, 2018: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/29325407/the-bright-elusive-butterfly-of-value-in-health-technology-development-comment-on-providing-value-to-new-health-technology-the-early-contribution-of-entrepreneurs-investors-and-regulatory-agencies
#17
Trisha Greenhalgh, Nick Fahy, Sara Shaw
The current system of health technology development is characterised by multiple misalignments. The "supply" side (innovation policy-makers, entrepreneurs, investors) and the "demand" side (health policy-makers, regulators, health technology assessment, purchasers) operate under different - and conflicting - logics. The system is less a "pathway" than an unstable ecosystem of multiple interacting sub-systems. "Value" means different things to each of the numerous actors involved. Supply-side dynamics are built on fictions; regulatory checks and balances are designed to assure quality, safety and efficacy, not to ensure that technologies entering the market are either desirable or cost-effective...
May 29, 2017: International Journal of Health Policy and Management
https://www.readbyqxmd.com/read/29325126/automated-integration-of-trees-and-traits-a-case-study-using-paired-fin-loss-across-teleost-fishes
#18
Laura M Jackson, Pasan C Fernando, Josh S Hanscom, James P Balhoff, Paula M Mabee
Data synthesis required for large-scale macroevolutionary studies is challenging with the current tools available for integration. Using a classic question regarding the frequency of paired fin loss in teleost fishes as a case study, we sought to create automated methods to facilitate the integration of broad-scale trait data with a sizable species-level phylogeny. Similar to the evolutionary pattern previously described for limbs, pelvic and pectoral fin reduction and loss are thought to have occurred independently multiple times in the evolution of fishes...
January 9, 2018: Systematic Biology
https://www.readbyqxmd.com/read/29324956/identity-of-primary-health-care-nurses-perception-of-doing-everything
#19
Marcelo Costa Fernandes, Lucilane Maria Sales da Silva, Maria Rocineide Ferreira da Silva, Raimundo Augusto Martins Torres, Maria Socorro de Araújo Dias, Thereza Maria Magalhães Moreira
OBJECTIVE: To analyze, in the speeches of nurses, the habitus that conforms their professional identity in the primary health care area. METHOD: Qualitative study, carried out from March to October 2015, with nurses of primary healthcare units in the cities of Cajazeiras, in the state of Paraíba, and Maracanaú, in the state of Ceará. Data were collected by means of semi-structured interviews, and analyzed through discourse analysis. RESULTS: Nurses, in their practice and perception, perceive that professional identity is linked to the meaning that involves the word "everything"...
January 2018: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/29324044/the-management-of-insect-pests-in-australian-cotton-an-evolving-story
#20
Lewis J Wilson, Mary E A Whitehouse, Grant A Herron
The Australian cotton industry progressively embraced integrated pest management (IPM) to alleviate escalating insecticide resistance issues. A systems IPM approach was used with core principles that were built around pest ecology/biology and insecticide resistance management; together, these were integrated into a flexible, year-round approach that facilitated easy incorporation of new science, strategies, and pests. The approach emphasized both strategic and tactical elements to reduce pest abundance and rationalize decisions about pest control, with insecticides as a last resort...
January 7, 2018: Annual Review of Entomology
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