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https://www.readbyqxmd.com/read/28335469/comparison-of-the-pharmacokinetic-properties-of-hemoglobin-based-oxygen-carriers
#1
REVIEW
Kazuaki Taguchi, Keishi Yamasaki, Toru Maruyama, Masaki Otagiri
Hemoglobin (Hb) is an ideal material for use in the development of an oxygen carrier in view of its innate biological properties. However, the vascular retention of free Hb is too short to permit a full therapeutic effect because Hb is rapidly cleared from the kidney via glomerular filtration or from the liver via the haptogloblin-CD 163 pathway when free Hb is administered in the blood circulation. Attempts have been made to develop alternate acellular and cellular types of Hb based oxygen carriers (HBOCs), in which Hb is processed via various routes in order to regulate its pharmacokinetic properties...
March 18, 2017: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/28335441/dietary-intake-of-individual-free-and-intrinsic-sugars-and-food-sources-in-the-spanish-population-findings-from-the-anibes-study
#2
Emma Ruiz, Paula Rodriguez, Teresa Valero, José M Ávila, Javier Aranceta-Bartrina, Ángel Gil, Marcela González-Gross, Rosa M Ortega, Lluis Serra-Majem, Gregorio Varela-Moreiras
The consumption of total and individual sugars is controversial and little is known about consumption and dietary sources in Spain. The purpose was to examine free and intrinsic sugar intake and food and beverage sources. The ANIBES Study (Anthropometry, Intake and Energy Balance in Spain), a cross-sectional study of a representative sample of the Spanish population (9-75 years old; n = 2009) carried out in 2013, was used. Food and beverage records were obtained by a three-day dietary record by using a tablet device...
March 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28335421/pamam-dendrimers-cross-the-blood-brain-barrier-when-administered-through-the-carotid-artery-in-c57bl-6j-mice
#3
Bhairavi Srinageshwar, Sarah Peruzzaro, Melissa Andrews, Kayla Johnson, Allison Hietpas, Brittany Clark, Crystal McGuire, Eric Petersen, Jordyn Kippe, Andrew Stewart, Olivia Lossia, Abeer Al-Gharaibeh, Aaron Antcliff, Rebecca Culver, Douglas Swanson, Gary Dunbar, Ajit Sharma, Julien Rossignol
Drug delivery into the central nervous system (CNS) is challenging due to the blood-brain barrier (BBB) and drug delivery into the brain overcoming the BBB can be achieved using nanoparticles such as dendrimers. The conventional cationic dendrimers used are highly toxic. Therefore, the present study investigates the role of novel mixed surface dendrimers, which have potentially less toxicity and can cross the BBB when administered through the carotid artery in mice. In vitro experiments investigated the uptake of amine dendrimers (G1-NH₂ and G4-NH₂) and novel dendrimers (G1-90/10 and G4-90/10) by primary cortical cultures...
March 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335373/dietary-patterns-and-insomnia-symptoms-in-chinese-adults-the-china-kadoorie-biobank
#4
Canqing Yu, Zumin Shi, Jun Lv, Yu Guo, Zheng Bian, Huaidong Du, Yiping Chen, Ran Tao, Ying Huang, Junshi Chen, Zhengming Chen, Liming Li
Limited attention has been paid to the effect of dietary patterns on sleep problems. In the present study, we analyzed the cross-sectional data of 481,242 adults aged 30-79 years from the China Kadoorie Biobank. A laptop-based questionnaire was administered to collect information on food intakes and insomnia symptoms. Logistic regression was used to estimate the odds ratios of each insomnia symptom according to quartiles of each dietary pattern, with adjustment for potential confounders. Two major dietary patterns were derived by factor analysis...
March 4, 2017: Nutrients
https://www.readbyqxmd.com/read/28335280/pregnancy-vaccination-with-gold-glyco-nanoparticles-carrying-listeria-monocytogenes-peptides-protects-against-listeriosis-and-brain-and-cutaneous-associated-morbidities
#5
Ricardo Calderón-Gonzalez, Héctor Terán-Navarro, Elisabet Frande-Cabanes, Eva Ferrández-Fernández, Javier Freire, Soledad Penadés, Marco Marradi, Isabel García, Javier Gomez-Román, Sonsoles Yañez-Díaz, Carmen Álvarez-Domínguez
Listeriosis is a fatal infection for fetuses and newborns with two clinical main morbidities in the neonatal period, meningitis and diffused cutaneous lesions. In this study, we vaccinated pregnant females with two gold glyconanoparticles (GNP) loaded with two peptides, listeriolysin peptide 91-99 (LLO91-99) or glyceraldehyde-3-phosphate dehydrogenase 1-22 peptide (GAPDH1-22). Neonates born to vaccinated mothers were free of bacteria and healthy, while non-vaccinated mice presented clear brain affections and cutaneous diminishment of melanocytes...
August 19, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334944/recent-trends-in-body-mass-index-and-waist-circumference-among-children-and-adolescents-in-shandong-china
#6
Ying-Xiu Zhang, Shu-Rong Wang, Min Chen, Yan Cheng
Background: The present study examined the recent trends in body mass index (BMI) and waist circumference (WC), and the prevalence of general and abdominal obesity among children and adolescents in Shandong, China. Methods: Data for this study were obtained from two cross-sectional surveys of schoolchildren carried out in 2010 and 2014 in Shandong Province, China. A total of 72 755 students aged 7-18 years were included in this study. The BMI cutoff points recommended by the International Obesity Task Force were used to define overweight and general obesity...
March 8, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28334924/throat-swabs-in-children-with-respiratory-tract-infection-associations-with-clinical-presentation-and-potential-targets-for-point-of-care-testing
#7
Hannah V Thornton, Alastair D Hay, Niamh M Redmond, Sophie L Turnbull, Hannah Christensen, Tim J Peters, John P Leeming, Andrew Lovering, Barry Vipond, Peter Muir, Peter S Blair
Background and objectives.: Diagnostic uncertainty over respiratory tract infections (RTIs) in primary care contributes to over-prescribing of antibiotics and drives antibiotic resistance. If symptoms and signs predict respiratory tract microbiology, they could help clinicians target antibiotics to bacterial infection. This study aimed to determine relationships between symptoms and signs in children presenting to primary care and microbes from throat swabs. Methods.: Cross-sectional study of children ≥3 months to <16 years presenting with acute cough and RTI, with subset follow-up...
February 18, 2017: Family Practice
https://www.readbyqxmd.com/read/28334909/changes-in-awareness-of-cancer-risk-factors-among-adult-new-zealanders-caanz-2001-to-2015
#8
R Richards, B McNoe, E Iosua, A I Reeder, R Egan, L Marsh, L Robertson, B Maclennan, A Dawson, R Quigg, A-C Petersen
Behaviour change, specifically that which decreases cancer risk, is an essential element of cancer control. Little information is available about how awareness of risk factors may be changing over time. This study describes the awareness of cancer risk behaviours among adult New Zealanders in two cross-sectional studies conducted in 2001 and 2014/5.Telephone interviews were conducted in 2001 (n = 436) and 2014/5 (n = 1064). Participants were asked to recall things they can do to reduce their risk of cancer...
February 27, 2017: Health Education Research
https://www.readbyqxmd.com/read/28334777/clinicians-interpretations-of-point-of-care-urine-culture-versus-laboratory-culture-results-analysis-from-the-four-country-poetic-trial-of-diagnosis-of-uncomplicated-urinary-tract-infection-in-primary-care
#9
Saskia Hullegie, Mandy Wootton, Theo J M Verheij, Emma Thomas-Jones, Janine Bates, Kerenza Hood, Micaela Gal, Nick A Francis, Paul Little, Michael Moore, Carl Llor, Timothy Pickles, David Gillespie, Nigel Kirby, Curt Brugman, Christopher C Butler
Background.: Urine culture at the point of care minimises delay between obtaining the sample and agar inoculation in a microbiology laboratory, and quantification and sensitivity results can be available more rapidly in primary care. Objective.: To identify the degree to which clinicians' interpretations of a point-of-care-test (POCT) urine culture (Flexicult™ SSI-Urinary Kit) agrees with laboratory culture in women presenting to primary care with symptoms of uncomplicated urinary tract infections (UTI)...
March 1, 2017: Family Practice
https://www.readbyqxmd.com/read/28334631/internalizing-and-externalizing-disorders-in-childhood-and-adolescence-a-latent-transition-analysis-using-alspac-data
#10
Eoin McElroy, Mark Shevlin, Jamie Murphy
BACKGROUND: Research examining the association between internalizing and externalizing dimensions of psychopathology has relied heavily on variable-centered analytical techniques. Person-centered methodologies complement the variable-centered approach, and may help explain the medium-to-large correlations that exist between higher order dimensions of psychopathology. What little person-centered research exists has been cross-sectional and utilized adult samples. The present study sought to take a person-centered approach to the modeling of psychiatric comorbidity during a key developmental phase; middle childhood through adolescence...
March 12, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28334535/copper-catalyzed-stereoselective-cross-coupling-of-cyclic-allyl-boronic-acids-with-%C3%AE-diazoketones
#11
Dong Wang, Kálmán J Szabó
In this study, we present the synthesis of new, stereodefined allylboronic acids employed to investigate the stereochemistry of the Cu-catalyzed cross-coupling of allylboronic acids with α-diazoketones. According to our results, this reaction proceeds with retention of the relative configuration of the allylboronic acid substrate. We suggest that the stereoinduction step involves a syn SE2'-type transmetalation of the allylboronic acid substrate with a Cu-carbene species.
March 23, 2017: Organic Letters
https://www.readbyqxmd.com/read/28334295/metccs-predictor-a-web-server-for-predicting-collision-cross-section-values-of-metabolites-in-ion-mobility-mass-spectrometry-based-metabolomics
#12
Zhiwei Zhou, Xin Xiong, Zheng-Jiang Zhu
Summary: In metabolomics, rigorous structural identification of metabolites presents a challenge for bioinformatics. The use of collision cross-section (CCS) values of metabolites derived from ion mobility-mass spectrometry effectively increases the confidence of metabolite identification, but this technique suffers from the limit number of available CCS values. Currently, there is no software available for rapidly generating the metabolites' CCS values. Here, we developed the first web server, namely, MetCCS Predictor, for predicting CCS values...
March 11, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28334280/origin-and-genetic-differentiation-of-pink-flowered-sorbus-hybrids-in-the-western-carpathians
#13
Veronika Uhrinová, Judita Zozomová-Lihová, Dana Bernátová, Juraj Paule, Ladislav Paule, Dušan Gömöry
Background and Aims: Diversity of the genus Sorbus has been affected by interspecific hybridizations. Pink-flowered hybrid species have been insufficiently studied so far. They comprise bigenomic hybrid species derived from crosses S. aria s.l. × S. chamaemespilus and trigenomic ones, where S. aucuparia was involved as well. The main objective of the present study was to reconstruct their hybrid origins as well as to assess genetic distinction among several morphologically recognized hybrid species...
March 13, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28334253/effect-of-the-insecticide-dinotefuran-on-the-ultrastructure-of-the-flight-muscle-of-female-sogatella-furcifera-hemiptera-delphacidae
#14
M G Liu, C X Jiang, M Mao, C Liu, Q Li, X G Wang, Q F Yang, H J Wang
Sogatella furcifera Horváth (Hemiptera: Delphacidae), is a major migratory pest of rice crops in Asia. The ultrastructure of the flight muscle directly affects the flight ability of insects. The ultrastructure of the flight muscle of some insects can be affected by insecticides. However, the ultrastructure of the flight muscle of S. furcifera and the effect of insecticides on the flight muscle of S. furcifera are not well understood. The present study was conducted to determine the effect of the insecticide dinotefuran on the ultrastructure of the flight muscle of S...
February 25, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334252/individualized-prediction-of-reading-comprehension-ability-using-gray-matter-volume
#15
Zaixu Cui, Mengmeng Su, Liangjie Li, Hua Shu, Gaolang Gong
Reading comprehension is a crucial reading skill for learning and putatively contains 2 key components: reading decoding and linguistic comprehension. Current understanding of the neural mechanism underlying these reading comprehension components is lacking, and whether and how neuroanatomical features can be used to predict these 2 skills remain largely unexplored. In the present study, we analyzed a large sample from the Human Connectome Project (HCP) dataset and successfully built multivariate predictive models for these 2 skills using whole-brain gray matter volume features...
March 10, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28334227/a-phylogenetic-biogeographic-and-taxonomic-study-of-all-extant-species-of-anolis-squamata-iguanidae
#16
Steven Poe, Adrián Nieto-Montes de Oca, Omar Torres-Carvajal, Kevin de Queiroz, Julián A Velasco, Brad Truett, Levi N Gray, Mason J Ryan, Gunther Köhler, Fernando Ayala-Varela, Ian Latella
Anolis lizards (anoles) are textbook study organisms in evolution and ecology. Although several topics in evolutionary biology have been elucidated by the study of anoles, progress in some areas has been hampered by limited phylogenetic information on this group. Here we present a phylogenetic analysis of all 379 extant species of Anolis, with new phylogenetic data for 139 species including new DNA data for 101 species. We use the resulting estimates as a basis for defining anole clade names under the principles of phylogenetic nomenclature and to examine the biogeographic history of anoles...
February 27, 2017: Systematic Biology
https://www.readbyqxmd.com/read/28334177/genetic-and-environmental-integration-of-the-hawkmoth-pollination-syndrome-in-ruellia-humilis-acanthaceae
#17
John S Heywood, Joseph S Michalski, Braden K McCann, Amber D Russo, Kara J Andres, Allison R Hall, Tessa C Middleton
Background and Aims: The serial homology of floral structures has made it difficult to assess the relative contributions of selection and constraint to floral integration. The interpretation of floral integration may also be clouded by the tacit, but largely untested, assumption that genetic and environmental perturbations affect trait correlations in similar ways. In this study, estimates of both the genetic and environmental correlations between components of the hawkmoth pollination syndrome are presented for chasmogamous flowers of Ruellia humilis , including two levels of control for serial homology...
February 28, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28333622/constrained-inversion-and-spectral-unmixing-in-multispectral-optoacoustic-tomography
#18
Lu Ding, Xose Luis Dean Ben, Neal C Burton, Robert W Sobol, Vasilis Ntziachristos, Daniel Razansky
Accurate extraction of physical and biochemical parameters from optoacoustic images is often impeded due to the use of unrigorous inversion schemes, incomplete tomographic detection coverage or other experimental factors that cannot be readily accounted for during the image acquisition and reconstruction process. For instance, inaccurate assumptions in the physical forward model may lead to negative optical absorption values in the reconstructed images. Any artifacts present in the single wavelength optoacoustic images can be significantly aggravated when performing a two-step reconstruction consisting in acoustic inversion and spectral unmixing aimed at rendering the distributions of spectrally-distinct absorbers...
March 22, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28333527/reading-self-perceived-ability-enjoyment-and-achievement-a-genetically-informative-study-of-their-reciprocal-links-over-time
#19
Margherita Malanchini, Zhe Wang, Ivan Voronin, Victoria J Schenker, Robert Plomin, Stephen A Petrill, Yulia Kovas
Extant literature has established a consistent association between aspects of reading motivation, such as enjoyment and self-perceived ability, and reading achievement, in that more motivated readers are generally more skilled readers. However, the developmental etiology of this relation is yet to be investigated. The present study explores the development of the motivation-achievement association and its genetic and environmental underpinnings. Applying cross-lagged design in a sample of 13,825 twins, we examined the relative contribution of genetic and environmental factors to the association between reading enjoyment and self-perceived ability and reading achievement...
April 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28333471/competition-between-light-induced-and-intrinsic-nonadiabatic-phenomena-in-diatomics
#20
András Csehi, Gabor J Halasz, Lorenz S Cederbaum, Agnes Vibok
Nonadiabatic effects arise due to avoided crossings or conical intersections which are present either naturally in field-free space or are induced by a classical laser field in a molecule. Recently, it was demonstrated that nonadiabatic effects in diatomics can also be created in an optical cavity. Here, the quantized radiation field mixes the nuclear and electronic degrees of freedom. We show the equivalence of using the cavity's quantized field and the classical laser field as usually done for molecules. This is demonstrated for NaI which exhibits a pronounced natural (intrinsic) avoided crossing which competes with the avoided crossing induced by the field...
March 23, 2017: Journal of Physical Chemistry Letters
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