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https://www.readbyqxmd.com/read/29136891/detection-and-quantification-of-extra-virgin-olive-oil-adulteration-by-means-of-autofluorescence-excitation-emission-profiles-combined-with-multi-way-classification
#1
Isabel Durán Merás, Jaime Domínguez Manzano, Diego Airado Rodríguez, Arsenio Muñoz de la Peña
Within olive oils, extra virgin olive oil is the highest quality and, in consequence, the most expensive one. Because of that, it is common that some merchants attempt to take economic advantage by mixing it up with other less expensive oils, like olive oil or olive pomace oil. In consequence, the characterization and authentication of extra virgin olive oils is a subject of great interest, both for industry and consumers. This paper reports the potential of front-face total fluorescence spectroscopy combined with second-order chemometric methods for the detection of extra virgin olive oils adulteration with other olive oils...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29131415/superior-toughness-and-fast-self-healing-at-room-temperature-engineered-by-transparent-elastomers
#2
Seon-Mi Kim, Hyeonyeol Jeon, Sung-Ho Shin, Seul-A Park, Jonggeon Jegal, Sung Yeon Hwang, Dongyeop X Oh, Jeyoung Park
The most important properties of self-healing polymers are efficient recovery at room temperature and prolonged durability. However, these two characteristics are contradictory, making it difficult to optimize them simultaneously. Herein, a transparent and easily processable thermoplastic polyurethane (TPU) with the highest reported tensile strength and toughness (6.8 MPa and 26.9 MJ m(-3) , respectively) is prepared. This TPU is superior to reported contemporary room-temperature self-healable materials and conveniently heals within 2 h through facile aromatic disulfide metathesis engineered by hard segment embedded aromatic disulfides...
November 13, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29129737/endotoxemia-is-modulated-by-quantity-and-quality-of-dietary-fat-in-older-adults
#3
Javier Lopez-Moreno, Sonia Garcia-Carpintero, Francisco Gomez-Delgado, Rosa Jimenez-Lucena, Cristina Vals-Delgado, Juan F Alcala-Diaz, Irene Roncero-Ramos, Oriol A Rangel-Zuñiga, Elena M Yubero-Serrano, Maria M Malagon, Jose M Ordovas, Pablo Perez-Martinez, Jose Lopez-Miranda, Antonio Camargo
BACKGROUND: Aging is an important determinant of the rate of atherosclerosis development, mainly through low-grade inflammation. Diet, and particularly its fat content, modulates the inflammatory response in fasting and postprandial states. OBJECTIVE: We aimed to study the effects of dietary fat on endotoxemia in healthy older adults. MATERIALS AND METHODS: Twenty healthy older adults were randomized to three diets, lasting three-weeks each, using a crossover design: 1...
November 9, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/29127733/-99-tc-nmr-determination-of-the-oxygen-isotope-content-in-18-o-enriched-water
#4
Valerii P Tarasov, Gayana А Kirakosyan, Konstantin E German
(99) Tc NMR has been suggested as an original method of evaluating the content of oxygen isotopes in oxygen-18 enriched water, a precursor for the production of radioisotope fluorine-18 used in positron emission tomography. To this end, solutions of NH4 TcO4 or NaTcO4 (up to 0.28 mol/L) with natural abundance of oxygen isotopes in virgin or recycled (18) O-enriched water have been studied by (99) Tc NMR. The method is based on (16) O/(17) O/(18) O intrinsic isotope effects in the (99) Tc NMR chemical shifts and the statistical distribution of oxygen isotopes in the coordination sphere of TcO4(-) and makes it possible to quantify the composition of enriched water by measuring the relative intensities of the (99) Tc NMR signals of the Tc(16) O4 - n(18) On(-) isotopologues...
November 11, 2017: Magnetic Resonance in Chemistry: MRC
https://www.readbyqxmd.com/read/29125992/phenol-enriched-olive-oils-improve-hdl-antioxidant-content-in-hypercholesterolemic-subjects-a-randomized-double-blind-cross-over-controlled-trial
#5
Marta Farràs, Sara Fernández-Castillejo, Laura Rubió, Sara Arranz, Úrsula Catalán, Isaac Subirana, Mari-Paz Romero, Olga Castañer, Anna Pedret, Gemma Blanchart, Daniel Muñoz-Aguayo, Helmut Schröder, Maria-Isabel Covas, Rafael de la Torre, Maria-José Motilva, Rosa Solà, Montserrat Fitó
At present, high-density lipoprotein (HDL) function is thought to be more relevant than HDL cholesterol quantity. Consumption of olive oil phenolic compounds (PCs) has beneficial effects on HDL-related markers. Enriched food with complementary antioxidants could be a suitable option to obtain additional protective effects. Our aim was to ascertain whether virgin olive oils (VOOs) enriched with (a) their own PC (FVOO) and (b) their own PC plus complementary ones from thyme (FVOOT) could improve HDL status and function...
September 28, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29119727/monosodium-glutamate-suppresses-the-female-reproductive-function-by-impairing-the-functions-of-ovary-and-uterus-in-rat
#6
Mukti Mondal, Kaushik Sarkar, Partha Pratim Nath, Goutam Paul
The aim of the present study was to examine the effect of monosodium glutamate (MSG) on the functions of ovary and uterus in rat. Virgin female rats of Charles Foster strain (120 gms approximately) were administrated MSG by oral gavage at a dose level of 0.8, 1.6, 2.4 gm/kgBW/day, respectively for 30 and 40 days duration. We observed a significant decrease in the duration of proestrus, estrus and metestrus phases, and increase in the duration of diestrus phase and diestrus index compared to control. We found significant increase in the levels of serum LH, FSH and estradiol in test groups of rat...
November 9, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/29118543/laser-induced-synlabia-cryptomenorrhea-and-urine-retention-a-case-report-and-literature-review
#7
Thoraya Fadul-Elahi, Nusrat Batool Janjua
Cosmetic laser use has many pros and cons. The worldwide use of laser for body hair removal has led to many medical complications. Unsupervised use of the laser for hair removal in vulva may result in many problems and can merely damage the vulva, although rarely, affecting the body image. This rare and novel case report is a 21 year old virgin who presented with acute urinary retention and cryptomenorrhea due to complete synlabia secondary to unsupervised vulval laser hair removal. The urinary retention was relieved by suprapubic catheterization initially...
October 2017: Urology Annals
https://www.readbyqxmd.com/read/29112134/%C3%A2-h-nmr-and-multivariate-analysis-for-geographic-characterization-of-commercial-extra-virgin-olive-oil-a-possible-correlation-with-climate-data
#8
Domenico Rongai, Nadia Sabatini, Laura Del Coco, Enzo Perri, Paolo Del Re, Nicola Simone, Donato Marchegiani, Francesco Paolo Fanizzi
¹H Nuclear Magnetic Resonance (NMR) spectroscopy coupled with multivariate analysis has been applied in order to investigate metabolomic profiles of more than 200 extravirgin olive oils (EVOOs) collected in a period of over four years (2009-2012) from different geographic areas. In particular, commercially blended EVOO samples originating from different Italian regions (Tuscany, Sicily and Apulia), as well as European (Spain and Portugal) and non-European (Tunisia, Turkey, Chile and Australia) countries. Multivariate statistical analysis (Principal Component Analisys (PCA) and Orthogonal Partial Least Squares Discriminant Analysis (OPLS-DA)) applied on the NMR data revealed the existence of marked differences between Italian (in particular from Tuscany, Sicily and Apulia regions) and foreign (in particular Tunisian) EVOO samples...
November 7, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29111856/vascular-derived-connective-tissue-growth-factor-ctgf-is-critical-for-pregnancy-induced-%C3%AE-cell-hyperplasia-in-adult-mice
#9
Raymond C Pasek, Jennifer C Dunn, Joseph M Elsakr, Mounika Aramandla, Anveetha R Matta, Maureen Gannon
During pregnancy, maternal β cells undergo compensatory changes including hypertrophy, hyperplasia, and increased glucose-stimulated insulin secretion (GSIS). Failure of these adaptations to occur can result in gestational diabetes mellitus. The secreted protein, Connective tissue growth factor (Ctgf), is critical for normal β cell development and promotes regeneration after partial β cell ablation. During embryogenesis, Ctgf is expressed in pancreatic ducts, vasculature, and β cells. In the adult pancreas, Ctgf is expressed only in the vasculature...
November 7, 2017: Islets
https://www.readbyqxmd.com/read/29111691/optimal-recycling-of-steel-scrap-and-alloying-elements-input-output-based-linear-programming-method-with-its-application-to-end-of-life-vehicles-in-japan
#10
Hajime Ohno, Kazuyo Matsubae, Kenichi Nakajima, Yasushi Kondo, Shinichiro Nakamura, Yasuhiro Fukushima, Tetsuya Nagasaka
Importance of end-of-life vehicles (ELVs) as an urban mine is expected to grow, as more people in developing countries are experiencing increased standards of living, while the automobiles are increasingly made using high-quality materials to meet stricter environmental and safety requirements. While most materials in ELVs, particularly steel, have been recycled at high rates, quality issues have not been adequately addressed due to the complex use of automobile materials, leading to considerable losses of valuable alloying elements...
November 7, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29109676/oxytocin-removes-estrous-female-vs-male-preference-of-virgin-male-rats-mediation-of-the-supraoptic-nucleus-via-olfactory-bulbs
#11
Xiao-Yu Liu, Dan Cui, Dongyang Li, Runsheng Jiao, Xiaoran Wang, Shuwei Jia, Dan Hou, Tong Li, Haitao Liu, Ping Wang, Yu-Feng Wang
Social functions of oxytocin (OT) have been explored extensively; however, relationship between the effect of intranasally applied OT (nasal OT) on the social preference (SP) and intracerebral actions of endogenous OT remains unclear. To resolve this question, we first observed effects of nasal OT on the SP of virgin young adult male rats toward unfamiliar virgin estrous female (EF) vs. virgin male rats. The results showed that the test male rats exhibited significantly more times and longer duration accessing the female than the male, which were acutely eliminated by nasal OT...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29106860/evaluating-the-sinus-and-nasal-quality-of-life-survey-in-the-pediatric-cystic-fibrosis-patient-population
#12
Deborah X Xie, Jeffanie Wu, Katherine Kelly, Rebekah F Brown, Chevis Shannon, Frank W Virgin
INTRODUCTION: The Sinus and Nasal Quality of Life Survey (SN-5) is a validated quality of life (QOL) questionnaire for chronic rhinosinusitis in patients age 2-12. Its utility in the cystic fibrosis (CF) has been studied, but not yet validated. The purpose of this study is to determine the effectiveness of the SN-5 for evaluation of sinonasal symptoms in the pediatric CF population. METHODS: This retrospective study analyzed SN-5 surveys completed between 2012 and 2015 by pediatric CF patients and caregivers...
November 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29105297/recent-advances-in-understanding-xanthomonas-citri-subsp-citri-pathogenesis-and-citrus-canker-disease-management
#13
Christopher M Ference, Alberto M Gochez, Franklin Behlau, Nian Wang, James H Graham, Jeffrey B Jones
Taxonomic status: Bacteria; Phylum Proteobacteria; Class Gammaproteobacteria; Order Xanthomonadles; Family Xanthomonadaceae; Genus Xanthomonas; Species Xanthomonas citri subsp. citri (Xcc). Host range: Compatible hosts vary in their susceptibility to CC, with grapefruit, lime, and lemon being most susceptible, sweet orange being moderately susceptible, and kumquat and calamondin being among the least susceptible (Gottwald et al., 1993). Microbiological properties: Xcc is a rod-shaped (1.5 - 2.0 X 0.5 - 0.75 µm) gram-negative, aerobic bacterium with a single polar flagellum...
November 4, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/29102645/caste-differences-in-the-association-between-dopamine-and-reproduction-in-the-bumble-bee-bombus-ignitus
#14
Ken Sasaki, Hinako Matsuyama, Naruaki Morita, Masato Ono
A society of bumble bees is primitively eusocial, with an annual life cycle, and can be used as a physiological model of social bees for comparative studies with highly eusocial hymenopterans. We investigated the dynamics of biogenic amine levels in the brain, meso-metathoracic ganglia, terminal abdominal ganglion, and hemolymph in queens 1 day after mating (1DAM), during diapause (Dp), and during colony founding (CF) in the bumble bee, Bombus ignitus. Dopamine levels in the brain of CF queens were significantly lower than in 1DAM and Dp queens, and the levels in the thoracic ganglia and hemolymph in CF queens were lower than in 1DAM queens, but did not differ from other groups in the abdominal ganglion...
November 2, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/29094071/clinical-chronic-rhinosinusitis-outcomes-in-pediatric-patients-with-cystic-fibrosis
#15
REVIEW
Frank W Virgin
Objectives: Chronic rhinosinusitis and nasal polyposis are common conditions in cystic fibrosis (CF). Approximately 2-3% of pediatric CF patients per year have sinus disease requiring surgery. It has been well established that there is a significant negative impact on quality of life associated with chronic rhinosinusitis (CRS) in the non-CF patient population. However, the impact of CRS on the pediatric CF population remains uncertain. The purpose of this article is to review the current state of outcome measures for CRS in pediatric CF patients...
October 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29093104/ability-to-serologically-confirm-recent-zika-virus-infection-in-areas-with-varying-past-incidence-of-dengue-virus-infection-united-states-and-territories-2016
#16
Nicole P Lindsey, J Erin Staples, Krista Powell, Ingrid B Rabe, Marc Fischer, Ann M Powers, Olga I Kosoy, Eric C Mossel, Jorge L Munoz-Jordan, Manuela Beltran, W Thane Hancock, Karrie-Ann E Toews, Esther M Ellis, Brett R Ellis, Amanda J Panella, Alison J Basile, Amanda E Calvert, Janeen Laven, Christin H Goodman, Carolyn V Gould, Stacey W Martin, Jennifer D Thomas, Julie Villanueva, Mary L Mataia, Rebecca Sciulli, Remedios Gose, A Christian Whelen, Susan L Hills
Background. Cross-reactivity within flavivirus antibody assays, produced by shared epitopes in the envelope proteins, can complicate serological diagnosis of Zika virus (ZIKAV) infection. We assessed the utility of the plaque reduction neutralization test (PRNT) to confirm recent ZIKAV infections and rule out misleading positive IgM results in areas with varying past dengue virus (DENV) infection incidence. Methods. We reviewed PRNT results of sera collected for diagnosis of ZIKAV infection from January 1 through August 31, 2016 with positive ZIKAV IgM results and ZIKAV and DENV PRNT performed...
November 1, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29090995/occam-s-razor-versus-hickam-s-dictum
#17
Thomas A Newman, Julie E Takasugi, Gustavo Matute-Bello, Jeffrey B Virgin, Leah M Backhus, Rosemary Adamson
No abstract text is available yet for this article.
November 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29088920/-some-men-just-don-t-want-to-get-hurt-perspectives-of-u-s-virgin-islands-men-toward-partner-violence-and-hiv-risks
#18
Kamila A Alexander, Noelle M St Vil, Marilyn A Braithwaite-Hall, Michael Sanchez, Aletha Baumann, Gloria B Callwood, Jacquelyn C Campbell, Doris W Campbell
OBJECTIVES: Global evidence suggests that individuals who experience intimate partner violence (IPV) can have accelerated risk for HIV transmission. The U.S. Virgin Islands (USVI) has high per capita rates of HIV and IPV that can have devastating effects on women's health. Catalysts for these health disparities may be shaped by cultural and social definitions of conventional masculinity. Thus, understanding USVI men's perceptions about HIV risks and IPV are a necessary component of developing strategies to improve women's health...
October 31, 2017: Ethnicity & Health
https://www.readbyqxmd.com/read/29084133/modulation-of-the-senescence-associated-inflammatory-phenotype-in-human-fibroblasts-by-olive-phenols
#19
Beatrice Menicacci, Caterina Cipriani, Francesca Margheri, Alessandra Mocali, Lisa Giovannelli
Senescent cells display an increase in the secretion of growth factors, inflammatory cytokines and proteolytic enzymes, termed the "senescence-associated-secretory-phenotype" (SASP), playing a major role in many age-related diseases. The phenolic compounds present in extra-virgin olive oil are inhibitors of oxidative damage and have been reported to play a protective role in inflammation-related diseases. Particularly, hydroxytyrosol and oleuropein are the most abundant and more extensively studied. Pre-senescent human lung (MRC5) and neonatal human dermal (NHDF) fibroblasts were used as cellular model to evaluate the effect of chronic (4-6 weeks) treatment with 1 μM hydroxytyrosol (HT) or 10 μM oleuropein aglycone (OLE) on senescence/inflammation markers...
October 30, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29083256/the-effects-of-intimate-partner-violence-and-probable-traumatic-brain-injury-on-central-nervous-system-symptoms
#20
Jacquelyn C Campbell, Jocelyn C Anderson, Akosoa McFadgion, Jessica Gill, Elizabeth Zink, Michelle Patch, Gloria Callwood, Doris Campbell
INTRODUCTION: Abused women often report a wide range of physical and psychological symptoms that present challenges to providers. Specifically, injuries to the head or strangulation, may initiate neurological changes that contribute to central nervous system (CNS) symptoms. These symptoms are often attributed to mental health diagnoses in this population. The purpose of this analysis is to examine the prevalence of and associations between reported probable traumatic brain injury (TBI) and CNS symptoms in a sample of women of African descent...
October 30, 2017: Journal of Women's Health
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