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https://www.readbyqxmd.com/read/28193419/chemical-stability-of-astaxanthin-integrated-into-a-food-matrix-effects-of-food-processing-and-methods-for-preservation
#1
REVIEW
Alejandra Anahí Martínez-Delgado, Sanghamitra Khandual, Socorro Josefina Villanueva-Rodríguez
Astaxanthin is a carotenoid pigment found in numerous organisms ranging from bacteria to algae, yeasts, plants, crustaceans and fish such as salmon. Technological importance of this pigment emerged from various studies demonstrating that it is a powerful antioxidant, even with higher activity than alpha-tocopherol and other carotenoids. It has been included in various pharmaceutical products because of several beneficial properties. By its nature, astaxanthin is susceptible to degradation and can undergo chemical changes during food processing...
June 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28107777/the-dc1-domain-protein-vacuoleless-gametophytes-is-essential-for-female-and-male-gametophyte-development-in-arabidopsis
#2
Sebastián D'Ippólito, Leonardo Agustín Arias, Claudia Anahí Casalongué, Gabriela Carolina Pagnussat, Diego Fernando Fiol
In this work we identified VACUOLELESS GAMETOPHYTES (VLG) as a DC1 domain containing protein present in the endomembrane system essential for both female and male gametophyte development. VLG was originally annotated as a gene coding for an unknown function protein containing DC1 domains. DC1 domains are cysteine and histidine -rich zinc finger domains found exclusively in the plant Kingdom that have been named based on its similarity with the C1 domain present in protein kinase C (PKC). In Arabidopsis, both male and female gametophytes are characterized by the formation of a big vacuole early in development, which is absent in vlg mutant plants...
January 20, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28094482/real-time-ultrasound-guided-spinal-anesthesia-in-patients-with-predicted-difficult-anatomy
#3
Hesham Elsharkawy, Ankit Maheshwari, Rovnat Babazade, Anahi Perlas, Sherif Zaky, Loran M Soliman
BACKGROUND: There are limited reports of lumbar neuraxial blocks using real-time ultrasound in patients with predicted difficulties. We compared the number of attempts to perform spinal anesthesia using real time ultrasound guidance versus landmark technique in patients meeting predefined criteria for difficult spinal anesthesia. We also compared procedure time, block success, patient satisfaction and difficulty scores between groups. METHODS: Following institutional review board approval patients scheduled for total hip or knee arthroplasty with expected difficulty to perform spinal anesthesia were included...
January 17, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28045758/a-virtual-reality-simulation-model-of-spinal-ultrasound-role-in-teaching-spinal-sonoanatomy
#4
Reva Ramlogan, Ahtsham U Niazi, Rongyu Jin, James Johnson, Vincent W Chan, Anahi Perlas
BACKGROUND AND OBJECTIVES: Ultrasound assessment of the lumbar spine improves the success of spinal and epidural anesthesia, especially for patients with underlying difficult anatomy. To assist with the teaching and learning of ultrasound-guided neuraxial anesthesia, we have created an online interactive educational model (http://www.usra.ca/vspine.php and http://pie.med.utoronto.ca/vspine). The aim of the current study was to determine whether the virtual spine model improved the knowledge of neuraxial anatomy and sonoanatomy...
March 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28040421/anti-mda5-dermatomyositis-mimicking-psoriatic-arthritis
#5
Iván Cabezas-Rodríguez, Isla Morante-Bolado, Anahy Brandy-García, Rubén Queiro-Silva, Lourdes Mozo, Francisco Javier Ballina-García
Dermatomyositis causes inflammation and damage of muscle and skin, and sometimes involves internal organs, especially lung parenchyma. Patients with dermatomyositis still represent a diagnostic challenge because of the rarity of this disease and the lack of specificity of some of its cutaneous manifestations. Herein, we describe the case of a patient with dermatomyositis, initially diagnosed as psoriatic arthritis, in which the performance of anti-melanoma differentiation-associated gene 5 (MDA5) antibodies was decisive to establish a definitive diagnosis...
December 28, 2016: Reumatología Clinica
https://www.readbyqxmd.com/read/27997497/safety-and-subepineural-injections-a-reply-to-dr-bigeleisen
#6
Anthony Short, Vincent W S Chan, Anahi Perlas
No abstract text is available yet for this article.
January 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27939811/integrating-knowledge-exchange-and-the-assessment-of-dryland-management-alternatives-a-learning-centered-participatory-approach
#7
Susana Bautista, Joan Llovet, Anahí Ocampo-Melgar, Alberto Vilagrosa, Ángeles G Mayor, Cristina Murias, V Ramón Vallejo, Barron J Orr
The adoption of sustainable land management strategies and practices that respond to current climate and human pressures requires both assessment tools that can lead to better informed decision-making and effective knowledge-exchange mechanisms that facilitate new learning and behavior change. We propose a learning-centered participatory approach that links land management assessment and knowledge exchange and integrates science-based data and stakeholder perspectives on both biophysical and socio-economic attributes...
December 8, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27939775/potential-of-an-outranking-multi-criteria-approach-to-support-the-participatory-assessment-of-land-management-actions
#8
Anahí Ocampo-Melgar, Susana Bautista, J Edward deSteiguer, Barron J Orr
We evaluated the potential of an outranking Multi-Criteria Decision Analysis approach for assisting in the participatory assessment of dryland management actions implemented in the San Simon watershed, in southeastern Arizona, USA. We compared an outranking-facilitated assessment of actions with a simple and direct (baseline) ranking of the same actions by the participating stakeholders in terms of: 1) internal homogeneity of each assessment approach, (2) similarity of individual assessments between methods, and (3) effects of the use of implicit/explicit assessment criteria...
December 7, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27871521/functional-outcome-and-cost-effectiveness-of-outpatient-vs-inpatient-care-for-complex-hind-foot-and-ankle-surgery-a-retrospective-cohort-study
#9
Justin Oh, Anahi Perlas, Johnny Lau, Rajiv Gandhi, Vincent W S Chan
STUDY OBJECTIVE: To compare the postoperative functional outcome and the total cost associated with outpatient vs inpatient care following complex hind-foot and ankle surgery. DESIGN: Retrospective, cohort study. SETTING: Tertiary care center. PATIENTS: Forty patients, American Society of Anesthesiologists 1-3, of either sex undergoing elective complex hind-foot and ankle surgery (fusion, osteotomy, or multiple ligament repair)...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27830445/tissue-engineering-for-neurodegenerative-diseases-using-human-amniotic-membrane-and-umbilical-cord
#10
Anahí Sanluis-Verdes, Namibia Sanluis-Verdes, María Jesús Manso-Revilla, Antonio Manuel Castro-Castro, Jorge Pombo-Otero, María Fraga-Mariño, Jacinto Sanchez-Ibañez, Nieves Doménech, María Esther Rendal-Vázquez
Regenerative medicine, based on the use of stem cells, scaffolds and growth factors, has the potential to be a good approach for restoring damaged tissues of the central nervous system. This study investigated the use of human amniotic mesenchymal stem cells (hAMSC), human amniotic epithelial stem cells (hAESC), and human Wharton's jelly mesenchymal stem cells (hWJMSC) derived from human umbilical cord as a source of stem cells, and the potential of the human amniotic membrane (HAM) as a scaffold and/or source of growth factors to promote nerve regeneration...
November 9, 2016: Cell and Tissue Banking
https://www.readbyqxmd.com/read/27813235/effects-of-liquid-medium-and-ablation-wavelength-on-properties-of-cadmium-sulfide-nanoparticles-by-pulsed-laser-ablation
#11
Grisel Garcia Guillen, Veronica Anahi Zuñiga Ibarra, Maria Isabel Mendivil Palma, Bindu Krishnan, David Avellaneda Avellaneda, Sadasivan Shaji
Pulsed laser ablation in liquid (PLAL) is a green synthesis technique to obtain semiconductor nanomaterials in colloidal form. In this work, cadmium sulfide (CdS) nanoparticles were synthesized by pulsed laser ablation of a CdS target in different liquid media using 532 and 1064 nm outputs from a pulsed (10 ns, 10 Hz) Nd:YAG laser at different ablation fluence. Morphology, structure, crystalline phase, elemental composition, optical and luminescent properties of CdS nanomaterials were analyzed using Transmission Electron Microscopy (TEM), X-Ray Diffraction (XRD), X-Ray Photoelectron Spectroscopy (XPS), UV-Visible absorption spectroscopy and fluorescence spectroscopy...
November 3, 2016: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/27798300/identifying-cryptic-diversity-with-predictive-phylogeography
#12
Anahí Espíndola, Megan Ruffley, Megan L Smith, Bryan C Carstens, David C Tank, Jack Sullivan
Identifying units of biological diversity is a major goal of organismal biology. An increasing literature has focused on the importance of cryptic diversity, defined as the presence of deeply diverged lineages within a single species. While most discoveries of cryptic lineages proceed on a taxon-by-taxon basis, rapid assessments of biodiversity are needed to inform conservation policy and decision-making. Here, we introduce a predictive framework for phylogeography that allows rapidly identifying cryptic diversity...
October 26, 2016: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/27795380/pharmacodynamics-of-aerosolized-fosfomycin-and-amikacin-against-resistant-clinical-isolates-of-pseudomonas-aeruginosa-and-klebsiella-pneumoniae-in-a-hollow-fiber-infection-model-experimental-basis-for-combination-therapy
#13
Fekade Bruck Sime, Adam Johnson, Sarah Whalley, Anahi Santoyo-Castelazo, A Bruce Montgomery, Kathie Ann Walters, Jeffrey Lipman, William W Hope, Jason A Roberts
There has been a resurgence of interest in aerosolization of antibiotics for treatment of patients with severe pneumonia caused by multidrug-resistant pathogens. A combination formulation of amikacin-fosfomycin is currently undergoing clinical testing although the exposure-response relationships of these drugs have not been fully characterized. The aim of this study was to describe the individual and combined antibacterial effects of simulated epithelial lining fluid exposures of aerosolized amikacin and fosfomycin against resistant clinical isolates of Pseudomonas aeruginosa (MICs of 16 mg/liter and 64 mg/liter) and Klebsiella pneumoniae (MICs of 2 mg/liter and 64 mg/liter) using a dynamic hollow-fiber infection model over 7 days...
January 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27783799/-disability-inability-and-vulnerability-on-ableism-or-the-pre-eminence-of-ableist-and-biomedical-approaches-of-the-human-subjects-ethics-committee-of-ufsc
#14
Anahi Guedes de Mello
Anthropology has increasingly questioned the hegemony of biomedical knowledge in ethical review processes of social research projects prevailing in Brazil, which was governed until 2012 by the Human Research Ethics Committee of each institution under the auspices of the National Research Ethics Commission (CONEP). This was mandated through Resolution No. 196/1996 prevailing in 2012 when this field research was conducted. The scope of this study is to recount and reflect upon the barriers to obtaining approval in 2012 for my master's research project from the Human Research Ethics Committee of the Federal University of Santa Catarina (CEP/UFSC) in Florianopolis...
October 2016: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/27777950/epidemiology-of-american-tegumentary-leishmaniasis-and-trypanosoma-cruzi-infection-in-the-northwestern-argentina
#15
Carlos L Hoyos, Silvana P Cajal, Marisa Juarez, Jorge D Marco, Anahí M Alberti D'Amato, Melina Cayo, Irma Torrejón, Rubén O Cimino, Patricio Diosque, Alejandro J Krolewiecki, Julio R Nasser, José F Gil
Background. Endemic areas of tegumentary leishmaniasis (TL) in Salta, Argentina, present some overlap zones with the geographical distribution of Chagas disease, with mixed infection cases being often detected. Objectives. The purpose of this study was to determine the magnitude of Leishmania sp. infection and potential associated risk factors, the serologic prevalence of T. cruzi, and the presence of T. cruzi-Leishmania sp. mixed infection in a region of the northwest of Argentina. Methods. Cross-sectional studies were conducted to detect TL prevalence and T...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27771254/cd4-foxp3-t-cells-contribute-to-myocardial-ischemia-reperfusion-injury
#16
Denise Mathes, Johannes Weirather, Peter Nordbeck, Anahi-Paula Arias-Loza, Matthias Burkard, Christina Pachel, Thomas Kerkau, Niklas Beyersdorf, Stefan Frantz, Ulrich Hofmann
OBJECTIVE: The present study analyzed the effect of CD4(+) Forkhead box protein 3 negative (Foxp3(-)) T-cells and Foxp3(+) CD4(+) T-cells on infarct size in a mouse myocardial ischemia-reperfusion model. APPROACH AND RESULTS: We examined the infarct size as a fraction of the area-at-risk as primary study endpoint in mice after 30minutes of coronary ligation followed by 24hours of reperfusion. CD4(+) T-cell deficient MHC-II KO mice showed smaller histologically determined infarct size (34...
December 2016: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/27764694/toxicity-and-genotoxicity-assessment-in-sediments-from-the-matanza-riachuelo-river-basin-argentina-under-the-influence-of-heavy-metals-and-organic-contaminants
#17
Lucía N Biruk, Juan Moretton, Alicia Fabrizio de Iorio, Cristian Weigandt, Jimena Etcheverry, Javier Filippetto, Anahí Magdaleno
The aim of this study was to investigate the parameters of chemical extraction associated with the detection of toxicity and genotoxicity in sediment sample extracts. Quantitative analysis of metals and polycyclic aromatic hydrocarbons (PAHs), together with a battery of four bioassays, was performed in order to evaluate the extraction efficiency of inorganic and organic toxicants. The extracts were carried out using two inorganic solvents, two organic solvents and two extraction methodologies, making a total of five extracts...
January 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/27747262/when-the-end-automatically-justifies-the-means-automatic-tendency-toward-sex-exchange-for-crack-cocaine
#18
Catalina E Kopetz, Anahi Collado, Carl W Lejuez
The current research explores the idea that self-defeating behaviors represent means toward individuals' goals. In this quality, they may be automatically initiated upon goal activation without individual's voluntary intention and thus exemplify the long-held idea that the end justifies the means. To investigate this notion empirically we explored one of the most problematic self-defeating behavior: engagement in sex exchange for crack cocaine. This behavior is common among female drug users despite its well-known health and legal consequences...
December 2015: Motivation Science
https://www.readbyqxmd.com/read/27699562/discounting-of-condom-protected-sex-as-a-measure-of-high-risk-for-sexually-transmitted-infection-among-college-students
#19
Anahí Collado, Patrick S Johnson, Jennifer M Loya, Matthew W Johnson, Richard Yi
The study examined sexual delay discounting, or the devaluation of condom-protected sex in the face of delay, as a risk factor for sexually transmitted infection (STI) among college students. Participants (143 females, 117 males) completed the sexual delay discounting task (Johnson & Bruner, 2012) and questionnaires of risky sexual behavior, risk perception, and knowledge. Participants exhibited steeper sexual delay discounting (above and beyond general likelihood of having unprotected sex) when partners were viewed as more desirable or less likely to have a STI, with males demonstrating greater sexual delay discounting than females across most conditions...
October 3, 2016: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/27530186/in-vivo-evaluation-of-cp-ti-implants-with-modified-surfaces-by-laser-beam-with-and-without-hydroxyapatite-chemical-deposition-and-without-and-with-thermal-treatment-topographic-characterization-and-histomorphometric-analysis-in-rabbits
#20
Thallita Pereira Queiroz, Rafael Scaf de Molon, Francisley Ávila Souza, Rogério Margonar, Anahi Herrera Aparecida Thomazini, Antônio Carlos Guastaldi, Eduardo Hochuli-Vieira
OBJECTIVE: We aimed to assess the surfaces of commercially pure titanium implants (cp Ti) with modified surfaces by laser beam (LS) with and without hydroxyapatite (HA) deposition, without (HAB) and with (HABT) thermal treatment. Furthermore, we have compared them with implants with surfaces modified by acid treatment (AS) and with machined surfaces (MS) utilizing histomorphometric and descriptive histologic analyses. MATERIAL AND METHODS: Surface topography characterization was analyzed by scanning electron microscopy (SEM), X-ray energy-dispersive spectroscopy (EDX), and surface roughness (Ra) before implant installation...
August 16, 2016: Clinical Oral Investigations
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