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https://www.readbyqxmd.com/read/29346010/identification-and-correction-of-additive-and-multiplicative-spatial-biases-in-experimental-high-throughput-screening
#1
Bogdan Mazoure, Iurie Caraus, Robert Nadon, Vladimir Makarenkov
Data generated by high-throughput screening (HTS) technologies are prone to spatial bias. Traditionally, bias correction methods used in HTS assume either a simple additive or, more recently, a simple multiplicative spatial bias model. These models do not, however, always provide an accurate correction of measurements in wells located at the intersection of rows and columns affected by spatial bias. The measurements in these wells depend on the nature of interaction between the involved biases. Here, we propose two novel additive and two novel multiplicative spatial bias models accounting for different types of bias interactions...
January 1, 2018: SLAS Discovery
https://www.readbyqxmd.com/read/29341252/painful-procedures-can-affect-postnatal-growth-and-neurodevelopment-in-preterm-infants
#2
Caterina Coviello, Marina Popple Martinez, Livia Drovandi, Corsini Iuri, Valentina Leonardi, Clara Lunardi, Carla Antonelli, Simone Pratesi, Carlo Dani
AIM: This Italian study evaluated whether painful procedures during the first four weeks of life were related to subsequent weight gain, head circumference (HC) and neurodevelopmental outcomes in preterm infants, METHODS: We evaluated the number of invasive procedures that infants born at less than 32 weeks of gestational age (GA) underwent in the Neonatal Intensive Care Unit of Careggi Hospital, Florence from January to December 2015. Weight and HC were recorded at birth, 36 weeks of PMA and six and 12 months of CA...
January 17, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29329772/robust-decentralized-controller-for-minimizing-coupling-effect-in-single-inductor-multiple-output-dc-dc-converter-operating-in-continuous-conduction-mode
#3
Renan Landau Paiva de Medeiros, Walter Barra, Iury Valente de Bessa, João Edgar Chaves Filho, Florindo Antonio de Cavalho Ayres, Cleonor Crescêncio das Neves
This paper describes a novel robust decentralized control design methodology for a single inductor multiple output (SIMO) DC-DC converter. Based on a nominal multiple input multiple output (MIMO) plant model and performance requirements, a pairing input-output analysis is performed to select the suitable input to control each output aiming to attenuate the loop coupling. Thus, the plant uncertainty limits are selected and expressed in interval form with parameter values of the plant model. A single inductor dual output (SIDO) DC-DC buck converter board is developed for experimental tests...
January 9, 2018: ISA Transactions
https://www.readbyqxmd.com/read/29245759/a-new-species-of-i-phyllodytes-i-anura-hylidae-from-the-atlantic-rainforest-of-southern-bahia-brazil
#4
Judit Vörös, Iuri Ribeiro Dias, Mirco Solé
We describe Phyllodytes amadoi sp. nov., a species of treefrog from the Atlantic Rainforest of southern Bahia, Brazil. The new species can be diagnosed by its small body size (SVL 15.6-23.0 mm) and advertisement call with high dominant frequency (3.789-4.306 Hz). It is known from one locality in the Private Reserve of Natural Heritage Ararauna, in the municipality of Una (15° 18' 38.3" S, 39° 9' 55.9" W, 96 m a.s.l.).
October 20, 2017: Zootaxa
https://www.readbyqxmd.com/read/29236353/iccs-escca-consensus-guidelines-for-the-high-sensitivity-flow-cytometric-detection-of-paroxysmal-nocturnal-hemoglobinuria-pnh-part-2-assay-optimization-and-reagent-selection
#5
EDITORIAL
D Robert Sutherland, Andrea Illingworth, Iuri Marinov, Fernando Ortiz, John Andreasen, Dan Payne, Paul K Wallace, Michael Keeney
Since publication in 2010 of the International Clinical Cytometry Society (ICCS) Consensus Guidelines for detection of Paroxysmal nocturnal hemoglobinuria (PNH) by flow cytometery, a great deal of work has been performed to develop, optimize and validate a number of high-sensitivity assays to detect PNH phenotypes in both Red Blood Cells (RBCs) and White Blood Cells (WBCs, neutrophils and monocytes). This section (Part 2) of the updated ICCS PNH Consensus Guidelines will focus on specific instrument setup for these PNH assays, the identification and proper testing of appropriate antibody conjugates and combinations therof, and basic assay design...
December 13, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/29236350/iccs-escca-consensus-guidelines-to-detect-gpi-deficient-cells-in-paroxysmal-nocturnal-hemoglobinuria-pnh-and-related-disorders-part-3-data-analysis-reporting-and-case-studies
#6
Andrea Illingworth, Iuri Marinov, D Robert Sutherland, Orianne Wagner Ballon, Luigi DelVecchio
Over the past several years, a diverse group of physicians and other laboratory scientists have developed various recommendations and guidelines regarding best practices for PNH testing. This manuscript is based on these previous recommendations as well as various other relevant publications of experts in the area of PNH testing. The goal is to provide flow cytometry laboratories with an updated consensus approach to analysis and reporting of PNH results and to address the most common analytical challenges for accurate reporting of this rare disease...
December 13, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/29229505/action-mechanism-of-naphthofuranquinones-against-fluconazole-resistant-candida-tropicalis-strains-evidenced-by-proteomic-analysis-the-role-of-increased-endogenous-ros
#7
João Batista de Andrade Neto, Cecília Rocha da Silva, Rosana de Sousa Campos, Francisca Bruna Stefany Aires do Nascimento, Letícia Serpa Sampaio, Anderson Ramos da Silva, Maria Aparecida Alexandre Josino, Manoel Odorico de Moraes, Marina Duarte Pinto Lobo, Frederico Bruno Mendes Batista Moreno, Ana Cristina de Oliveira Monteiro Moreira, Renato de Azevedo Moreira, Thalles Barbosa Grangeiro, Eufrânio Nunes da Silva Júnior, Hemerson Iuri Ferreira Magalhães, Danilo Damasceno Rocha, Bruno Coêlho Cavalcanti, Hélio Vitoriano Nobre Júnior
The increased incidence of candidemia in terciary hospitals worldwide and the cross-resistance frequency require the new therapeutic strategies development. Recently, our research group demonstrated three semi-synthetic naphthofuranquinones (NFQs) with a significant antifungal activity in a fluconazole-resistant (FLC) C. tropicalis strain. The current study aimed to investigate the action's preliminary mechanisms of NFQs by several standardized methods such as proteomic and flow cytometry analyzes, comet assay, immunohistochemistry and confocal microscopy evaluation...
December 8, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29144546/presence-of-infection-and-analysis-of-hpv-subtypes-in-girls-younger-than-9-years-old-attended-at-a-referral-service-in-esp%C3%A3-rito-santo-brazil
#8
Mariana Penha De Nadai Sartori, Lidiane Pignaton Agostini, Thaís Tristão Tovar, Raquel Silva Dos Reis, Raquel Spinassé Dettogni, Eldamária de Vargas Wolfgramm Dos Santos, Antônio Chambô Filho, Iúri Drumond Louro
PURPOSE: Human papillomavirus is found in adults and adolescents and is associated with genital warts and cervical cancer. However, it has been detected in girls younger than 10 years old. Currently, there are no prevention methods for this age group, since it is not considered a risk group. The aim of this study was to evaluate the presence of infection and HPV subtype in girls under 9 years old attended at a referral service in the State of Espírito Santo, Brazil. METHODS: Forty-three girls younger than 9 years old had gynecological brush samples collected from vulval and perineal/anal regions...
November 16, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/29135311/atm-bcl2-and-tgf%C3%AE-gene-polymorphisms-as-radiotherapy-outcome-biomarkers-in-head-and-neck-squamous-cell-carcinoma-patients
#9
Lidiane P Agostini, Elaine Stur, Fernanda M Garcia, Diego P Ventorim, Raquel S Dos Reis, Raquel S Dettogni, Eldamária V W Dos Santos, Gabriela T Peterle, Lucas L Maia, Suzanny O Mendes, Marcos B de Carvalho, Eloiza H Tajara, Flavia de Paula, Marcelo Dos Santos, Adriana M A da Silva, Iúri Drumond Louro
AIMS: Polymorphisms in cell cycle genes are considered prognostic and radiosensitivity markers in patients with head and neck squamous cell carcinoma. Therefore, we have aimed to investigate the relationship of ATM 5557G>A, ATM IVS62 + 60G>A, TP53 215G>C, BCL2-938C>A, TGFβ-509C>T, and TGFβ 29C>T with radiotherapy response. MATERIALS AND METHODS: Genotyping was performed by polymerase chain reaction followed by restriction fragment length polymorphism in 210 patients with oral cavity/oropharynx carcinoma and 101 patients with larynx tumors...
November 14, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/29129395/echocardiographic-nomograms-for-upper-abdominal-aorta-doppler-systolic-wave-values-and-systo-diastolic-diameters-variations-in-children
#10
Massimiliano Cantinotti, Raffaele Giordano, Iuri Corsini, Carlo Dani, Marco Scalese, Bruno Murzi, Nadia Assanta, Isabella Spadoni, Sabrina Molinaro, Shelby Kutty, Giorgio Iervasi, Eliana Franchi
BACKGROUND: Abdominal aorta pulsatility and blood flow patterns are important diagnostic indicators in congenital heart disease. Reference values for these indexes are lacking. METHODS: We prospectively studied abdominal aorta pulsed-wave Doppler systolic peak velocity, deceleration time, and wave duration, and two-dimensional vessel diameters in systole and diastole in healthy Caucasian children. Heteroscedasticity was accounted for by White or Breusch-Pagan test...
November 9, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/29119358/hepatitis-b-c-and-d-virus-genotypes-detected-in-hbsag-or-anti-hcv-positive-people-from-the-republic-of-moldova
#11
Ala Gori, Stela Gheorgita, Constantin Spinu, Iurie Pinzaru, Ala Halacu, Octavian Sajen, Luminița Suveica, Aurélie Sausy, Claude P Muller, Judith M Hübschen
In the Republic of Moldova, little is known about hepatitis B, C and D virus (HBV, HCV, HDV) genotypes, although the genetic variant may influence the course and outcome of disease. For HBV genotyping, 301 hepatitis B surface antigen (HBsAg)-positive sera collected in 2010 and 2011 from drug users, prison inmates, commercial sex workers, and the general population in different geographical regions were investigated. The 31 HBsAg-positive sera collected in 2011 were also tested for HDV. Eighty-eight anti-HCV-positive sera collected between 2010 and 2011 from the general population and health care workers were used for HCV genotyping...
November 8, 2017: Archives of Virology
https://www.readbyqxmd.com/read/29090257/the-romanian-journal-of-anaesthesia-and-intensive-care-now-on-pubmed-central
#12
EDITORIAL
Iurie Acalovschi
No abstract text is available yet for this article.
October 2017: Romanian Journal of Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/29058384/nitric-oxide-for-the-treatment-of-preterm-infants-with-severe-rds-and-pulmonary-hypertension
#13
Carlo Dani, Iuri Corsini, Jessica Cangemi, Venturella Vangi, Simone Pratesi
BACKGROUND: Inhaled nitric oxide (iNO) cannot be recommended for the routine treatment of respiratory failure in premature neonates, but it has been suggested that the effectiveness of iNO therapy should be further studied in more select preterm infants, such as those with persistent pulmonary hypertension of the newborn (PPHN). OBJECTIVE: To evaluate the frequency of PPHN in very preterm infants with severe respiratory distress syndrome (RDS), to assess the effectiveness of iNO in these patients, and to individuate possible predictive factors for the response to iNO in preterm infants with RDS...
November 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29019522/-regional-inequalities-in-mortality-from-diabetes-mellitus-and-access-to-health-in-argentina
#14
María Jimena Marro, Andrey Moreira Cardoso, Iuri da Costa Leite
The aim of this study was to estimate the mortality burden according to major groups of causes, with a focus on diabetes mellitus, as well as differences according to the presence or absence of health coverage for Argentina as a whole and its regions. The study used the mortality database for individuals 30 years or older in 2009-2011, stratified by sex, age bracket, region, underlying cause of death, and health coverage. We calculated the mortality rates and years of life lost due to premature mortality (YLLs)...
October 9, 2017: Cadernos de Saúde Pública
https://www.readbyqxmd.com/read/28964874/neuroinhibitory-meroterpenoid-compounds-from-cordia-oncocalyx
#15
Taynara S Matos, Ana Karine O Silva, Amanda L Quintela, L Francisco das Chagas Pinto, Kirley M Canuto, Raimundo Braz-Filho, Maria Júlia S Fonseca, Angélica Maria Luna-Costa, Iury A Paz, Nilberto Robson F Nascimento, Edilberto R Silveira, Otilia Deusdênia L Pessoa
Five new meroterpenoid compounds designed as rel-10β,11β-epoxy-2,11-dimethoxy-8α-hydroxy-8aβ-methyl-5α,6,7,8,8a,9,10,10aβ-octahydro-1,4-anthracendione (1), rel-10β,11β-epoxy-8α,5-dihydroxy-2-methoxy-8aβ-methyl-5,6,7,8,8a,9,10,10aβ-octahydro -1.4-anthracendione (2), rel-1,4,8α-trihydroxy-5-furanyl-2-methoxy-8aβ-methyl-6,7,8, 8a,9,10-hexahydro-10-anthracenone (3), rel-10α,11α-epoxy-8α,11β-dihydroxy-8aβ-methyl-5β,6,7,8,8a,9,10,10aβ-octahydro-1,4-anthracenediol (4) and rel-1,4,8α-trihydroxy-5-carboxyethyl-2-methoxy-8aβ-methyl-6,7,8,8a,9,10-hexahydro-10-anthra-cenone (5), besides seven (6-12) known compounds were isolated from the heartwood and sapwood ethanol extracts of Cordia oncocalyx...
September 28, 2017: Fitoterapia
https://www.readbyqxmd.com/read/28928142/role-of-thyroid-hormones-in-the-neoplastic-process-an-overview
#16
REVIEW
Iuri Martin Goemann, Mirian Romitti, Erika L Souza Meyer, Simone Magagnin Wajner, Ana Luiza Maia
Thyroid hormones (TH) are critical regulators of several physiological processes, which include development, differentiation and growth in virtually all tissues. In past decades, several studies have shown that changes in TH levels caused by thyroid dysfunction, disruption of deiodinases and/or thyroid hormone receptor (TR) expression in tumor cells, influence cell proliferation, differentiation, survival and invasion in a variety of neoplasms in a cell type-specific manner. The function of THs and TRs in neoplastic cell proliferation involves complex mechanisms that seem to be cell specific, exerting effects via genomic and nongenomic pathways, repressing or stimulating transcription factors, influencing angiogenesis and promoting invasiveness...
November 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28913494/the-public-perception-of-the-anaesthesiologist-in-romania-a-survey
#17
Adela Hilda Onutu, Cristina Rus, Iurie Acalovschi
BACKGROUND: Previous studies have shown that the public perception of anaesthesiologists' duties regarding perioperative management lacks a good understanding. The aim of this study was to assess the public perception of the anaesthesiologist's role before, during and after surgery, in Romania. METHOD: The prospective cross-sectional study was undertaken between January 2015 and August 2016. A questionnaire that comprised 23 questions was uploaded on Google at https://docs...
April 2017: Romanian Journal of Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28851625/reconciling-the-mitscherlich-s-law-of-diminishing-returns-with-liebig-s-law-of-the-minimum-some-results-on-crop-modeling
#18
Iuri E P Ferreira, Silvio S Zocchi, Daniel Baron
Reliable fertilizer recommendations depend on the correctness of the crop production models fitted to the data, but generally the crop models are built empirically, neglecting important physiological aspects related with response to fertilizers, or they are based in laws of plant mineral nutrition seen by many authors as conflicting theories: the Liebig's Law of the Minimum and Mitscherlich's Law of Diminishing Returns. We developed a new approach to modelling the crop response to fertilizers that reconcile these laws...
August 26, 2017: Mathematical Biosciences
https://www.readbyqxmd.com/read/28791306/therapeutic-potential-of-epigallocatechin-gallate-nanodelivery-systems
#19
REVIEW
Andreia Granja, Iúri Frias, Ana Rute Neves, Marina Pinheiro, Salette Reis
Nowadays, the society is facing a large health problem with the rising of new diseases, including cancer, heart diseases, diabetes, neurodegenerative diseases, and obesity. Thus, it is important to invest in substances that enhance the health of the population. In this context, epigallocatechin gallate (EGCG) is a flavonoid found in many plants, especially in tea. Several studies support the notion that EGCG has several benefits in fighting cancer, heart diseases, diabetes, and obesity, among others. Nevertheless, the poor intestinal absorbance and instability of EGCG constitute the main drawback to use this molecule in prevention and therapy...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28769692/the-advertisement-call-and-comments-on-the-distribution-of-eleutherodactylus-bilineatus-bokermann-1975-an-endemic-frog-of-bahia-state-brazil-amphibia-anura
#20
Iuri Ribeiro Dias, Caio Vinicius de Mira-Mendes, Carlos Augusto Souza-Costa, Flora Acuña Juncá, Mirco Solé
Advertisement calls can be used to aid solving taxonomic problems and understanding the evolution of certain groups. In this study, the advertisement call of Eleutherodactylus bilineatus is described. It is composed by two different notes with a total duration of 0.529-4.241 seconds and dominant frequency of 1.72-3.45 kHz. Additionally, new data is provided on the geographical distribution of Eleutherodactylus bilineatus and the most inland record for this species.
2017: ZooKeys
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