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https://www.readbyqxmd.com/read/29793196/seasonal-cycles-of-secondary-organic-aerosol-tracers-in-rural-guangzhou-southern-china-the-importance-of-atmospheric-oxidants
#1
Qi Yuan, Senchao Lai, Junwei Song, Xiang Ding, Lishan Zheng, Xinming Wang, Yan Zhao, Junyu Zheng, Dingli Yue, Liuju Zhong, Xiaojun Niu, Yingyi Zhang
Thirteen secondary organic aerosol (SOA) tracers of isoprene (SOAI ), monoterpenes (SOAM ), sesquiterpenes (SOAS ) and aromatics (SOAA ) in fine particulate matter (PM2.5 ) were measured at a Pearl River Delta (PRD) regional site for one year. The characteristics including their seasonal cycles and the factors influencing their formation in this region were studied. The seasonal patterns of SOAI , SOAM and SOAS tracers were characterized over three enhancement periods in summer (I), autumn (II) and winter (III), while the elevations of SOAA tracer (i...
May 21, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29789148/breakthrough-dynamics-of-s-metolachlor-metabolites-in-drinking-water-wells-transport-pathways-and-time-to-trend-reversal
#2
Julien Farlin, Tom Gallé, Michael Bayerle, Denis Pittois, Stephan Köppchen, Martina Krause, Diana Hofmann
We present the results of a two years study on the contamination of the Luxembourg Sandstone aquifer by metolachlor-ESA and metolachlor-OXA, two major transformation products of s-metolachlor. The aim of the study was twofold: (i) assess whether elevated concentrations of both transformation products (up to 1000 ng/l) were due to fast flow breakthough events of short duration or the signs of a contamination of the entire aquifer and (ii) estimate the time to trend reversal once the parent compound was withdrawn from the market...
May 16, 2018: Journal of Contaminant Hydrology
https://www.readbyqxmd.com/read/29788533/weight-bias-internalization-and-health-a-systematic-review
#3
REVIEW
R L Pearl, R M Puhl
A robust literature has documented the negative health effects of being the target of weight bias. Weight bias internalization (WBI) occurs when individuals apply negative weight stereotypes to themselves and self-derogate because of their body weight. Compared with experiences of weight bias, less is known about the relationship between WBI and mental and physical health, although more literature on this topic has emerged in recent years. The current systematic review identified 74 studies assessing the relationship between WBI and health and interventions designed to reduce WBI and improve health...
May 22, 2018: Obesity Reviews: An Official Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29788358/microbial-signatures-as-a-predictive-tool-in-ibd-pearls-and-pitfalls
#4
Nadine Waldschmitt, Amira Metwaly, Sandra Fischer, Dirk Haller
Studies of microbial signatures have improved our understanding of the role of dysbiosis in gut microbiota for the pathogenesis of inflammatory bowel disease (IBD). New technological advances such as next-generation sequencing facilitate investigations on large patient cohorts, but require methodological considerations regarding study design, sample processing, data analysis, and integration. Here, we summarize recent study approaches in microbial ecology with respect to IBD research and discuss crucial process steps for the production and integration of adequate data sets...
May 18, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29787480/evaluation-and-management-of-migraine-in-midlife-women
#5
Jelena M Pavlović
Migraine is highly prevalent in women and, in addition to the pain component, can be associated with significant disability and loss of productivity. Migraine is often connected to fluctuations in hormones (primarily estrogen), commonly arising in puberty, worsening in perimenopause, and quiescing in late menopause. This Practice Pearl discusses the various types of migraine with respect to hormone fluctuations and details acute as well as preventive treatment.
May 21, 2018: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/29784725/pearls-oy-sters-an-unusual-neuropsychiatric-manifestation-of-systemic-lupus-erythematosus
#6
David Dongkyung Kim, Charles Ho, Rebecca King, Sarah A Morrow
No abstract text is available yet for this article.
May 22, 2018: Neurology
https://www.readbyqxmd.com/read/29778151/regionalization-based-on-spatial-and-seasonal-variation-in-ground-level-ozone-concentrations-across-china
#7
Linjun Cheng, Shuai Wang, Zhengyu Gong, Hong Li, Qi Yang, Yeyao Wang
Owing to the vast territory of China and strong regional characteristic of ozone pollution, it's desirable for policy makers to have a targeted and prioritized regulation and ozone pollution control strategy in China based on scientific evidences. It's important to assess its current pollution status as well as spatial and temporal variation patterns across China. Recent advances of national monitoring networks provide an opportunity to insight the actions of ozone pollution. Here, we present rotated empirical orthogonal function (REOF) analysis that was used on studying the spatiotemporal characteristics of daily ozone concentrations...
May 2018: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/29776622/sleep-deficiency-among-native-hawaiian-pacific-islander-black-and-white-americans-and-the-association-with-cardiometabolic-diseases-analysis-of-the-national-health-interview-survey-data
#8
Ellyn E Matthews, Chenghui Li, Christopher R Long, Marie-Rachelle Narcisse, Bradley C Martin, Pearl Anna McElfish
PURPOSE: Examine sleep deficiency, factors, and associations with cardiometabolic diseases in United States Native Hawaiian/Pacific Islanders (NHPI), Blacks, and Whites. DESIGN: Data from the 2014 National Health Interview Survey and NHPI National Health Interview Survey household interviews of adults were analyzed. PARTICIPANTS: Of 31,724 participants, 7% were NHPI, 14% were Black, and 79% were White. METHODS: Habitual sleep duration and quality, sociodemographic/economic covariates, health behaviors, psychological distress, and chronic diseases were self-reported...
June 2018: Sleep Health
https://www.readbyqxmd.com/read/29772512/distribution-and-speciation-of-mercury-affected-by-humic-acid-in-mariculture-sites-at-the-pearl-river-estuary
#9
Lingyun Ding, Kaiyun Zhao, Lijuan Zhang, Peng Liang, Shengchun Wu, Ming Hung Wong, Huchun Tao
At the Pearl River Estuary of southern China, mercury and its environmental problems have long been a great concern. This study investigated the distribution and speciation of mercury compounds that are significantly influenced by the increasing content of humic acid (HA, a model natural organic matter) in this region. The inorganic mercury and methyl mercury, being adsorbed and converted at different HA levels, were studied in sediments and surface water at both mariculture and their reference sites. In mariculture sediments with higher HA content (up to 4...
May 14, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29772113/health-research-participation-opportunity-and-willingness-among-minority-and-rural-communities-of-arkansas
#10
Pearl A McElfish, Christopher R Long, James P Selig, Brett Rowland, Rachel S Purvis, Laura James, Angel Holland, Holly C Felix, Marie-Rachelle Narcisse
Prior research suggests that rural and minority communities participate in research at lower rates. While rural and minority populations are often cited as being underrepresented in research, population-based studies on health research participation have not been conducted. This study used questions added to the 2015 Behavioral Risk Factor Surveillance System to understand factors associated with i) health research participation, ii) opportunities to participate in health research, and iii) willingness to participate in health research from a representative sample (n = 5,256) of adults in Arkansas...
May 17, 2018: Clinical and Translational Science
https://www.readbyqxmd.com/read/29770977/formation-of-twisted-%C3%AE-sheet-tapes-from-a-self-complementary-peptide-based-on-novel-pillararene-gcp-host-guest-interaction-with-gene-transfection-properties
#11
Carsten Schmuck, Xiao-Yu Hu, Martin Ehlers, Elio Zellermann, Stefanie Mosel, Hao Jiang, Jan-Erik Ostwaldt, Shirley Knauer, Leyong Wang, Tingting Wang
Small peptides capable of assembling into well-defined nanostructures have attracted extensive attention due to their interesting applications as biomaterials. Herein, we report the first example of a pillararene functionalized with a guanidiniocarbonyl pyrrole (GCP)-conjugated short peptide segment. The obtained amphiphilic peptide 1 spontaneously self-assembles into a supramolecular β-sheet in aqueous solution based on host-guest interaction between pillararene and GCP unit as well as hydrogen-bonding between the peptide strands...
May 17, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29769513/ovarian-endometrioid-adenocarcinoma-arising-in-endometriosis-a-case-report
#12
K Nahar, B Ferdous, N Akhter, P A Shamsunnahar, K Khatun, S A Begum, M A Aziz
Malignant transformation of ovarian endometriosis was first described in 1925 by Sampson; later on it has been described in extragonadal regions by few authors also. Ovarian endometrioid and clear cell carcinoma are highly associated with endometriosis. Here we present a case of malignant transformation of ovarian endometrioma into endometrioid adenocarcinoma and review the clinical and pathological features of these tumors. A 45-years old infertile woman diagnosed as a case of bilateral chocolate cyst with pelvic endometriosis underwent total hysterectomy with bilateral salpingo-oophorectomy...
April 2018: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29768574/growth-yield-and-grain-nutritional-quality-in-three-brazilian-pearl-millets-pennisetum-americanum-l-with-african-or-indian-origins
#13
Leonardo O Medici, Fabíola V Gonçalves, Marcos Paulo S DA Fonseca, Salete A Gaziola, Daiana Schmidt, Ricardo A Azevedo, Carlos Pimentel
In this study, we are presenting recommendations to the best agricultural use as well as for plant breeding of three millet cultivars namely ENA1 and ENA2, which have African origin, and BRS1501 originally from India. These cultivars were evaluated for growth, yield and grain quality traits. The morphological traits evaluated in this study indicated that the African genotypes ENA1 and ENA2 are better than the Indian genotype BRS1501 for no-till farming or to produce forage with 15% of crude protein at flowering and at harvest to produce stover (around 7% of crude protein content) for livestock feeding...
May 14, 2018: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29768120/three-dimensionally-printed-pearl-powder-poly-caprolactone-composite-scaffolds-for-bone-regeneration
#14
Xu Zhang, Xiaoyu Du, Dejian Li, Rongguang Ao, Bin Yu, Baoqing Yu
Pearl has great potential as a natural biomaterial for bone tissue engineering, but it suffers from low porosity, difficulty in molding, and poor anti-buckling property. In this study, we used the 3-D printing technique to fabricate original pearl powder and PCL composite scaffolds with different concentrations of pearl powder. The four groups of scaffolds were termed PCL, 30% Pearl/PCL, 50% Pearl/PCL and 80% Pearl/PCL scaffolds according to the proportion of pearl powder. The samples were systematically investigated by scanning electron microscopy (SEM), wide-angle XRD, liquid substitution, Zwick static materials testing, and energy dispersive X-ray analysis...
May 16, 2018: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/29766508/repair-of-lumbosacral-fracture-luxation-with-bilateral-twisted-string-of-pearls-locking-plates
#15
U Segal, H Bar, J Shani
OBJECTIVES: To describe a surgical technique using bilateral twisted string-of-pearls locking plates for lumbosacral fracture-luxation in dogs and cats. MATERIALS AND METHODS: Twisted string-of-pearls locking plates were used to stabilise lumbosacral fracture-luxation between 2013 and 2017. Decompression of the cauda equina was achieved by dorsal laminectomy through a dorso-medial approach. Stabilisation was achieved using bilateral string-of-pearls plates attached to the lateral aspects of the vertebral body cranial to the fractured vertebra and the iliosacral joints...
May 15, 2018: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/29766474/masses-of-developmental-and-genetic-origin-affecting-the-paediatric-craniofacial-skeleton
#16
REVIEW
Salvatore Stefanelli, Pravin Mundada, Anne-Laure Rougemont, Vincent Lenoir, Paolo Scolozzi, Laura Merlini, Minerva Becker
Although rare, masses and mass-like lesions of developmental and genetic origin may affect the paediatric craniofacial skeleton. They represent a major challenge in clinical practice because they can lead to functional impairment, facial deformation and disfigurement. The most common lesions include fibrous dysplasia, dermoid cysts, vascular malformations and plexiform neurofibromas. Less common lesions include torus mandibularis and torus palatinus, cherubism, nevoid basal cell carcinoma syndrome, meningoencephalocele and nasal sinus tract...
May 15, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/29766370/continuous-laminaribiose-production-using-an-immobilized-bienzymatic-system-in-a-packed-bed-reactor
#17
Akram Abi, Anqi Wang, Hans-Joachim Jördening
The first continuous production system of laminaribiose from sucrose and glucose in a bienzymatic reaction is reported in this study. Immobilized laminaribiose phosphorylase and sucrose phosphorylase were used in a packed bed reactor system comprising of a 3-cm glass column at 35 °C with a steady feeding flow rate of 0.1 ml/min. Factors affecting product formation including enzyme ratio, peal concept (both enzymes in one pearl or in separate pearls), and pearl size were studied. An enzyme ratio of 2:1 of laminaribiose phosphorylase (LP) to sucrose phosphorylase (SP) when encapsulated separately in bigger size peals resulted in higher concentration of product...
May 16, 2018: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/29764183/a-pilot-study-with-palonosetron-in-the-prophylaxis-of-radiation-induced-nausea-and-vomiting
#18
Vithusha Ganesh, Leah Drost, Carlo DeAngelis, Bo Angela Wan, Mark Pasetka, Stephanie Chan, Liying Zhang, May Tsao, Elizabeth Barnes, Natalie Pulenzas, Hans Chung, Pearl Zaki, Caitlin Yee, Edward Chow
BACKGROUND: Palonosetron is an effective antiemetic in chemotherapy-induced nausea and vomiting (CINV), but has yet to be studied in the radiation setting. The purpose of the present study was to investigate the efficacy and safety of palonosetron in the prophylaxis of radiation-induced nausea and vomiting (RINV). METHODS: Patients without existing nausea and vomiting undergoing palliative radiotherapy to sites with emetic risk were prescribed palonosetron 0.5 mg orally before the start of radiation treatment, and every other day until completion of treatment...
April 2018: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29761380/saliva-production-and-enjoyment-of-real-food-flavors-in-people-with-and-without-dysphagia-and-or-xerostomia
#19
Angela M Dietsch, Cathy A Pelletier, Nancy Pearl Solomon
Non-food gustatory stimulation has multiple potential therapeutic benefits for people with dysphagia and xerostomia. This study examined palatability and saliva flow associated with dissolvable flavored films. Taste strips with real-food flavors dissolved on the tongues of 21 persons with dysphagia and/or xerostomia and 21 healthy age- and sex-matched adults while sublingual gauze pads absorbed saliva over randomized 3-min trials. Participants rated taste enjoyment for each trial on a hedonic general labeled magnitude scale...
May 14, 2018: Dysphagia
https://www.readbyqxmd.com/read/29760480/low-energy-cost-for-cultured-pearl-formation-in-grafted-chimeric-pinctada-margaritifera
#20
Gilles Le Moullac, Claude Soyez, Chin-Long Ky
The pearl oyster is one of the rare animal models that support two distinct genomes, through the surgical graft process operated for culture pearl production. This grafted organism is assimilated to a chimera whose physiological functioning remains poorly known. The question of the energy expenditure comparison between chimera and non-chimera animals arises. To answer this question, grafted and non-grafted pearl oysters were evaluated for their energetic needs by the indirect calorimetry method. This method made it possible to measure the energy expenditure based on the respiration rate (RR) measurement, reflecting the basal metabolism...
May 14, 2018: Scientific Reports
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