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https://www.readbyqxmd.com/read/29778151/regionalization-based-on-spatial-and-seasonal-variation-in-ground-level-ozone-concentrations-across-china
#1
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/29772512/distribution-and-speciation-of-mercury-affected-by-humic-acid-in-mariculture-sites-at-the-pearl-river-estuary
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/29754953/arginase-2-suppresses-renal-carcinoma-progression-via-biosynthetic-cofactor-pyridoxal-phosphate-depletion-and-increased-polyamine-toxicity
#14
Joshua D Ochocki, Sanika Khare, Markus Hess, Daniel Ackerman, Bo Qiu, Jennie I Daisak, Andrew J Worth, Nan Lin, Pearl Lee, Hong Xie, Bo Li, Bradley Wubbenhorst, Tobi G Maguire, Katherine L Nathanson, James C Alwine, Ian A Blair, Itzhak Nissim, Brian Keith, M Celeste Simon
Kidney cancer, one of the ten most prevalent malignancies in the world, has exhibited increased incidence over the last decade. The most common subtype is "clear cell" renal cell carcinoma (ccRCC), which features consistent metabolic abnormalities, such as highly elevated glycogen and lipid deposition. By integrating metabolomics, genomic, and transcriptomic data, we determined that enzymes in multiple metabolic pathways are universally depleted in human ccRCC tumors, which are otherwise genetically heterogeneous...
May 4, 2018: Cell Metabolism
https://www.readbyqxmd.com/read/29752471/author-correction-transcriptomic-signature-of-drought-response-in-pearl-millet-pennisetum-glaucum-l-and-development-of-web-genomic-resources
#15
Sarika Jaiswal, Tushar J Antala, M K Mandavia, Meenu Chopra, Rahul Singh Jasrotia, Rukam S Tomar, Jashminkumar Kheni, U B Angadi, M A Iquebal, B A Golakia, Anil Rai, Dinesh Kumar
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
May 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29752308/a-new-phenotyping-pipeline-reveals-three-types-of-lateral-roots-and-a-random-branching-pattern-in-two-cereals
#16
Sixtine Passot, Beatriz Moreno-Ortega, Daniel Moukouanga, Crispulo Balsera, Soazig Guyomarc'h, Mikael Lucas, Guillaume Lobet, Laurent Laplaze, Bertrand Muller, Yann Guédon
Recent progress in root phenotyping has focused mainly on increasing throughput for genetic studies while identifying root developmental patterns has been comparatively underexplored. We introduce a new phenotyping pipeline for producing high-quality spatio-temporal root system development data and identifying developmental patterns within these data. The SmartRoot image analysis system and temporal and spatial statistical models were applied to two cereals, pearl millet (Pennisetum glaucum) and maize (Zea mays)...
May 11, 2018: Plant Physiology
https://www.readbyqxmd.com/read/29752053/anterior-laxity-lateral-tibial-slope-and-in-situ-acl-force-differentiate-knees-exhibiting-distinct-patterns-of-motion-during-a-pivoting-event-a-human-cadaveric-study
#17
Robert N Kent, Mark J Amirtharaj, Brendan M Hardy, Andrew D Pearle, Thomas L Wickiewicz, Carl W Imhauser
Knee instability following anterior cruciate ligament (ACL) rupture compromises function and increases risk of injury to the cartilage and menisci. To understand the biomechanical function of the ACL, previous studies have primarily reported the net change in tibial position in response to multiplanar torques, which generate knee instability. In contrast, we retrospectively analyzed a cohort of 13 consecutively tested cadaveric knees and found distinct motion patterns, defined as the motion of the tibia as it translates and rotates from its unloaded, initial position to its loaded, final position...
April 11, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29751669/mapping-grain-iron-and-zinc-content-quantitative-trait-loci-in-an-iniadi-derived-immortal-population-of-pearl-millet
#18
Sushil Kumar, Charles Tom Hash, Thirunavukkarasu Nepolean, Mahesh D Mahendrakar, Chellapilla Tara Satyavathi, Govind Singh, Abhishek Rathore, Rattan S Yadav, Rajeev Gupta, Rakesh K Srivastava
Pearl millet is a climate-resilient nutritious crop requiring low inputs and is capable of giving economic returns in marginal agro-ecologies. In this study, we report large-effect iron (Fe) and zinc (Zn) content quantitative trait loci ( QTLs) using diversity array technology (DArT) and simple sequence repeats (SSRs) markers to generate a genetic linkage map using 317 recombinant inbred line (RIL) population derived from the (ICMS 8511-S1-17-2-1-1-B-P03 × AIMP 92901-S1-183-2-2-B-08) cross. The base map [seven linkage groups (LGs)] of 196 loci was 964...
May 11, 2018: Genes
https://www.readbyqxmd.com/read/29748814/chemical-characterization-of-pm-2-5-from-a-southern-coastal-city-of-china-applications-of-modeling-and-chemical-tracers-in-demonstration-of-regional-transport
#19
Jiamao Zhou, Steven Sai Hang Ho, Junji Cao, Zhuzi Zhao, Shuyu Zhao, Chongshu Zhu, Qiyuan Wang, Suixin Liu, Ting Zhang, Youzhi Zhao, Ping Wang, Xuexi Tie
An intensive sampling campaign of airborne fine particles (PM2.5 ) was conducted at Sanya, a coastal city in Southern China, from January to February 2012. Chemical analyses and mass reconstruction were used identify potential pollution sources and investigate atmospheric reaction mechanisms. A thermodynamic model indicated that low ammonia and high relative humidity caused the aerosols be acidic and that drove heterogeneous reactions which led to the formation of secondary inorganic aerosol. Relationships among neutralization ratios, free acidity, and air-mass trajectories suggest that the atmosphere at Sanya was impacted by both local and regional emissions...
May 11, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29746391/magnetoencephalographic-mapping-of-epileptic-spike-population-using-distributed-source-analysis-comparison-with-intracranial-electroencephalographic-spikes
#20
Naoaki Tanaka, Christos Papadelis, Eleonora Tamilia, Joseph R Madsen, Phillip L Pearl, Steven M Stufflebeam
INTRODUCTION: This study evaluates magnetoencephalographic (MEG) spike population as compared with intracranial electroencephalographic (IEEG) spikes using a quantitative method based on distributed source analysis. METHODS: We retrospectively studied eight patients with medically intractable epilepsy who had an MEG and subsequent IEEG monitoring. Fifty MEG spikes were analyzed in each patient using minimum norm estimate. For individual spikes, each vertex in the source space was considered activated when its source amplitude at the peak latency was higher than a threshold, which was set at 50% of the maximum amplitude over all vertices...
April 27, 2018: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
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