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https://www.readbyqxmd.com/read/28550720/development-and-validation-of-an-uplc-uv-method-for-determination-of-a-novel-triazine-coccidiostat-ethanamizuril-and-its-metabolite-m3-in-chicken-tissues
#1
Xiao Zhao, Youfa Xu, Lifang Zhang, Chunmei Wang, Chunna Guo, Chenzhong Fei, Keyu Zhang, Xiaoyang Wang, Yingchun Liu, Mi Wang, Wenli Zheng, Feiqun Xue
Ethanamizuril (EZL) is a novel anti-coccidial triazine synthesized by the Shanghai Veterinary Research Institute of the Chinese Academy of Agricultural Sciences. As a novel coccidiostat, it is essential to study its residue in food animal tissues. In this study, a reliable UPLC method for the determination of ethanamizuril (EZL) and one of its metabolites (M3) in chicken muscle, skin and fat, liver, and kidney samples was developed. Analytes were extracted using acetonitrile and 10% sodium carbonate solution, defatted by n-hexane, and further purified by using an Oasis MCX cartridge...
May 11, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28550447/trends-in-surgical-research-in-head-and-neck-cancer
#2
REVIEW
Genrich Tolstonog, Christian Simon
The task of surgical research is to improve the efficacy of available surgical therapeutic modalities, develop new ones, and balance this well with favorable functional outcome. Therefore, surgical research is composed of a translational and a clinical component. In translational surgical research, animal models are used to better understand the biology of head and neck cancers, but even more importantly, the biology of changes to the disease and the microenvironment created by surgical interventions. Animal models additionally allow for the development of image-guided surgery systems, novel strategies of intraoperative adjuvant treatment, and patient "avatars" to test innovative anticancer drug combinations...
June 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28550427/the-fifty-highest-cited-papers-in-anterior-cruciate-ligament-injury
#3
Ines Vielgut, Jan Dauwe, Andreas Leithner, Lukas A Holzer
INTRODUCTION: The anterior cruciate ligament (ACL) is one of the most common injured knee ligaments and at the same time, one of the most frequent injuries seen in the sport orthopaedic practice. Due to the clinical relevance of ACL injuries, numerous papers focussing on this topic including biomechanical-, basic science-, clinical- or animal studies, were published. The purpose of this study was to determine the most frequently cited scientific articles which address this subject, establish a ranking of the 50 highest cited papers and analyse them according to their characteristics...
May 27, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28547293/nonsurgical-facial-rejuvenation-outcomes-and-safety-of-neuromodulator-and-soft-tissue-filler-procedures-performed-in-a-resident-cosmetic-clinic
#4
Ali A Qureshi, Rajiv P Parikh, Ketan Sharma, Terence M Myckatyn, Marissa M Tenenbaum
BACKGROUND: The ability to perform nonsurgical facial rejuvenation procedures is a core competency requirement for plastic surgery residents. However, limited data exist on training models to achieve competency in nonsurgical facial rejuvenation and on outcomes of these procedures performed by residents. The purpose here is to evaluate patient-reported outcomes and safety of nonsurgical facial rejuvenation procedures performed by plastic surgery residents. METHODS: We prospectively enrolled 50 patients undergoing neuromodulator and/or soft-tissue filler injections in a resident cosmetic clinic between April and August 2016...
May 25, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28546784/doing-laboratory-ethnography-reflections-on-method-in-scientific-workplaces
#5
Neil Stephens, Jamie Lewis
Laboratory ethnography extended the social scientist's gaze into the day-to-day accomplishment of scientific practice. Here we reflect upon our own ethnographies of biomedical scientific workspaces to provoke methodological discussion on the doing of laboratory ethnography. What we provide is less a 'how to' guide and more a commentary on what to look for and what to look at. We draw upon our empirical research with stem cell laboratories and animal houses, teams producing robotic surgical tools, musicians sonifying data science, a psychiatric genetics laboratory, and scientists developing laboratory grown meat...
April 2017: Qualitative Research: QR
https://www.readbyqxmd.com/read/28545935/social-fear-learning-from-animal-models-to-human-function
#6
REVIEW
Jacek Debiec, Andreas Olsson
Learning about potential threats is critical for survival. Learned fear responses are acquired either through direct experiences or indirectly through social transmission. Social fear learning (SFL), also known as vicarious fear learning, is a paradigm successfully used for studying the transmission of threat information between individuals. Animal and human studies have begun to elucidate the behavioral, neural and molecular mechanisms of SFL. Recent research suggests that social learning mechanisms underlie a wide range of adaptive and maladaptive phenomena, from supporting flexible avoidance in dynamic environments to intergenerational transmission of trauma and anxiety disorders...
May 22, 2017: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/28543739/sound-at-the-zoo-using-animal-monitoring-sound-measurement-and-noise-reduction-in-zoo-animal-management
#7
David A Orban, Joseph Soltis, Lori Perkins, Jill D Mellen
A clear need for evidence-based animal management in zoos and aquariums has been expressed by industry leaders. Here, we show how individual animal welfare monitoring can be combined with measurement of environmental conditions to inform science-based animal management decisions. Over the last several years, Disney's Animal Kingdom® has been undergoing significant construction and exhibit renovation, warranting institution-wide animal welfare monitoring. Animal care and science staff developed a model that tracked animal keepers' daily assessments of an animal's physical health, behavior, and responses to husbandry activity; these data were matched to different external stimuli and environmental conditions, including sound levels...
May 23, 2017: Zoo Biology
https://www.readbyqxmd.com/read/28540595/social-media-and-scientific-research-are-complementary-youtube-and-shrikes-as-a-case-study
#8
Łukasz Dylewski, Peter Mikula, Piotr Tryjanowski, Federico Morelli, Reuven Yosef
Fascination with animals and their behaviour is one the most prominent patterns persisting in all human cultures. During the last decades, however, technological development and public access to the Internet have increased the speed and the extent of information sharing at an unprecedented rate, in some cases even challenging the traditional methods used in science. In order to understand the extent of this influence, we focused on the behaviour of shrikes. Shrikes are an enigmatic group of songbirds with a unique behaviour of impaling prey...
June 2017: Die Naturwissenschaften
https://www.readbyqxmd.com/read/28535116/is-mannitol-the-treatment-of-choice-for-patients-with-ciguatera-fish-poisoning
#9
Michael E Mullins, Robert S Hoffman
CONTEXT: Ciguatera fish poisoning arises primarily from consumption of carnivorous reef fish caught in tropical and sub-tropical waters. Ciguatoxins, a class of tasteless, heat-stable, polycyclic toxins produced by dinoflagellates, accumulate through the food chain and concentrate in various carnivorous fish, such as groupers, barracudas, wrasses, amberjack, kingfishes, and eels. Characteristics of ciguatera fish poisoning include early nausea, vomiting, and diarrhea in the first one to two days post ingestion, followed by the appearance of sensory disturbances...
May 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28534765/the-animal-kingdom-is-also-a-bioengineering-field-exploring-the-art-and-science-of-vetinary-medicine-retrospectroscope
#10
Max E Valentinuzzi
Medical science developed in tandem with the evolution of biological species and their associated diseases. Because of the close interaction between humans and other animals, even those in the wild, taking care of the former also means caring for the latter. Several scientific forerunners delved into animals' anatomical and physiological secrets in their quest to better understand animal biology and functions, thereby laying the foundation for animal medicine. Here, I briefly explore the long and complex road that led to the current state of veterinary science and provide a few examples of its present standing...
May 2017: IEEE Pulse
https://www.readbyqxmd.com/read/28533458/how-camouflage-works
#11
REVIEW
Sami Merilaita, Nicholas E Scott-Samuel, Innes C Cuthill
For camouflage to succeed, an individual has to pass undetected, unrecognized or untargeted, and hence it is the processing of visual information that needs to be deceived. Camouflage is therefore an adaptation to the perception and cognitive mechanisms of another animal. Although this has been acknowledged for a long time, there has been no unitary account of the link between visual perception and camouflage. Viewing camouflage as a suite of adaptations to reduce the signal-to-noise ratio provides the necessary common framework...
July 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28531300/anosmia-a-clinical-review
#12
Sanne Boesveldt, Elbrich M Postma, Duncan Boak, Antje Welge-Luessen, Veronika Schöpf, Joel D Mainland, Jeffrey Martens, John Ngai, Valerie B Duffy
Anosmia and hyposmia, the inability or decreased ability to smell, is estimated to afflict 3-20% of the population. Risk of olfactory dysfunction increases with old age and may also result from chronic sinonasal diseases, severe head trauma, and upper respiratory infections, or neurodegenerative diseases. These disorders impair the ability to sense warning odors in foods and the environment, as well as hinder the quality of life related to social interactions, eating, and feelings of well-being. This article reports and extends on a clinical update commencing at the 2016 Association for Chemoreception Sciences annual meeting...
May 22, 2017: Chemical Senses
https://www.readbyqxmd.com/read/28530119/update-in-sleep-disordered-breathing-2016
#13
Najib T Ayas, Luciano F Drager, Mary J Morrell, Vsevolod Y Polotsky
The field of sleep disordered breathing has continued to evolve with many important articles published in the last year. In this review, we have summarized some of the key articles relevant to sleep disordered breathing that have been published in the Journal and selected articles published elsewhere in the last year; these have included landmark randomized trials concerning sleep apnea treatment in the prevention of adverse cardiac outcomes, basic science and animal studies, genetic studies, and analyses of epidemiologic cohorts...
May 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28529069/cholinergic-modulation-of-the-immune-system-presents-new-approaches-for-treating-inflammation
#14
REVIEW
Donald B Hoover
The nervous system and immune system have broad and overlapping distributions in the body, and interactions of these ubiquitous systems are central to the field of neuroimmunology. Over the past two decades, there has been explosive growth in our understanding of neuroanatomical, cellular, and molecular mechanisms that mediate central modulation of immune functions through the autonomic nervous system. A major catalyst for growth in this field was the discovery that vagal nerve stimulation (VNS) caused a prominent attenuation of the systemic inflammatory response evoked by endotoxin in experimental animals...
May 18, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28526694/measuring-osmosis-and-hemolysis-of-red-blood-cells
#15
Lauren K Goodhead, Frances M MacMillan
Since the discovery of the composition and structure of the mammalian cell membrane, biologists have had a clearer understanding of how substances enter and exit the cell's interior. The selectively permeable nature of the cell membrane allows the movement of some solutes and prevents the movement of others. This has important consequences for cell volume and the integrity of the cell and, as a result, is of utmost clinical importance, for example in the administration of isotonic intravenous infusions. The concepts of osmolarity and tonicity are often confused by students as impermeant isosmotic solutes such as NaCl are also isotonic; however, isosmotic solutes such as urea are actually hypotonic due to the permeant nature of the membrane...
June 1, 2017: Advances in Physiology Education
https://www.readbyqxmd.com/read/28524743/nanoparticle-exposures-from-nano-enabled-toner-based-printing-equipment-and-human-health-state-of-science-and-future-research-needs
#16
Sandra Vanessa Pirela, John Martin, Dhimiter Bello, Philip Demokritou
Toner formulations used by laser printers (LP) and photocopiers (PC), collectively called "toner-based printing equipment" (TPE), are nano-enabled products (NEP) because they contain several engineered nanomaterials (ENM) that improve toner performance. It has been shown that during consumer use (printing), these ENM are released in the air, together with other semi-volatile organic nanoparticles, and newly formed gaseous co-pollutants such as volatile organic compounds (VOC). The aim of this review is to detail and analyze physico-chemical and morphological (PCM), as well as the toxicological properties of particulate matter (PM) emissions from TPE...
May 19, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28522882/monoclonal-suncus-antibodies-generation-of-fusion-partners-to-produce-suncus-suncus-hybridomas
#17
Yoshikazu Sado, Satoko Inoue, Yasuko Tomono, Makoto Matsuyama, Masaki Fukushima, Toshitaka Oohashi, Takamichi Jogahara, Sen-Ichi Oda
We used suncus (Suncus murinus; house musk shrew) to generate partner cells for cell fusion to produce suncus monoclonal antibodies. Suncus are insectivores that are genetically distant to rodents, and recognize antigens and epitopes that are not immunogenic in mice and rats, which are the animals most commonly used in basic life science research and from which monoclonal antibodies are usually produced. To date, monoclonal antibodies from suncus have not been generated due to the lack of a plasmacytoma fusion partner...
April 27, 2017: Acta Histochemica et Cytochemica
https://www.readbyqxmd.com/read/28522825/integrated-trophic-position-decreases-in-more-diverse-communities-of-stream-food-webs
#18
Naoto F Ishikawa, Yoshito Chikaraishi, Naohiko Ohkouchi, Aya R Murakami, Ichiro Tayasu, Hiroyuki Togashi, Jun-Ichi Okano, Yoichiro Sakai, Tomoya Iwata, Michio Kondoh, Noboru Okuda
The relationship between biodiversity and ecosystem functioning is an important theme in environmental sciences. We propose a new index for configuration of the biomass pyramid in an ecosystem, named integrated trophic position (iTP). The iTP is defined as a sum of trophic positions (i.e. the average number of steps involved in biomass transfer) of all the animals in a food web integrated by their individual biomass. The observed iTP for stream macroinvertebrates ranged from 2.39 to 2.79 and was negatively correlated with the species density and the Shannon-Wiener diversity index of the local community...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28514939/antioxidant-properties-of-drugs-used-in-type-2-diabetes-management-could-they-contribute-to-confound-or-conceal-effects-of-antioxidant-therapy
#19
Siu Wai Choi, Cyrus K Ho
OBJECTIVES: This is a narrative review, investigating the antioxidant properties of drugs used in the management of diabetes, and discusses whether these antioxidant effects contribute to, confound, or conceal the effects of antioxidant therapy. METHODS: A systematic search for articles reporting trials, or observational studies on the antioxidant effect of drugs used in the treatment of diabetes in humans or animals was performed using Web of Science, PubMed, and Ovid...
May 17, 2017: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/28512334/three-dimensional-scoring-of-zebrafish-behavior-unveils-biological-phenomena-hidden-by-two-dimensional-analyses
#20
Simone Macrì, Daniele Neri, Tommaso Ruberto, Violet Mwaffo, Sachit Butail, Maurizio Porfiri
The study of zebrafish behavior represents a cornerstone upon which basic researchers promise to advance knowledge in life sciences. Although zebrafish swim in a three-dimensional (3D) space, their behavior in the lab is almost exclusively scored in two dimensions, whereby zebrafish are recorded using a single camera providing 2D videos. Whether this dimensional reduction preserves the reliability of data has not been addressed. Here we show that, compared to a 3D observation, 2D data are flawed by over-reporting and under-reporting of locomotory differences...
May 16, 2017: Scientific Reports
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