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https://www.readbyqxmd.com/read/28550806/lettuce-facing-microcystins-rich-irrigation-water-at-different-developmental-stages-effects-on-plant-performance-and-microcystins-bioaccumulation
#1
Efi Levizou, George Statiris, Theodoti Papadimitriou, Chrysi S Laspidou, Konstantinos Ar Kormas
This study investigated the microcystins (MCs)-rich irrigation water effect on lettuce of different developmental stages, i.e. during a two months period, covering the whole period from seed germination to harvest at marketable size of the plant. We followed four lettuce plant groups receiving MCs-rich water (1.81μgl(-1) of dissolved MCs), originating from the Karla Reservoir, central Greece: 1) from seeds, 2) the cotyledon, 3) two true leaves and 4) four true leaves stages, all of which were compared to control plants that received tap water...
May 24, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28550791/environmental-indicators-of-the-combustion-of-prospective-coal-water-slurry-containing-petrochemicals
#2
Margarita A Dmitrienko, Galina S Nyashina, Pavel A Strizhak
Negative environmental impact of coal combustion has been known to humankind for a fairly long time. Sulfur and nitrogen oxides are considered the most dangerous anthropogenic emissions. A possible solution to this problem is replacing coal dust combustion with that of coal water slurry containing petrochemicals (CWSP). Coal processing wastes and used combustible liquids (oils, sludge, resins) are promising in terms of their economic and energy yield characteristics. However, no research has yet been conducted on the environmental indicators of fuels based on CWSP...
May 18, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28550790/trophic-fate-of-inorganic-and-methyl-mercury-in-a-macrophyte-chironomid-food-chain
#3
Rebecca Beauvais-Flück, Frédéric Gimbert, Ophélie Méhault, Claudia Cosio
Dietary transfer of mercury (Hg) is central for its effects on higher trophic animals, nonetheless, its driving parameters and characteristics are not well understood. Here we measured Hg species transfer (uptake) from the macrophyte Elodea nuttallii -mimicking tissues incorporation in sediments after decay- to Chironomus riparius. Methyl-Hg (MMHg) was more transferable than inorganic Hg (IHg) from plant's intracellular and cell wall compartments. After 10-d-long exposure, MMHg was predominantly found in MMHg form in the cytosolic compartment (S) of chironomids, while IHg showed similar concentrations in S and insoluble debris (P) compartments...
May 17, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28550776/influence-of-sugarcane-bagasse-variability-on-sugar-recovery-for-cellulosic-ethanol-production
#4
Liliane Pires Andrade, Elaine Crespim, Nilton de Oliveira, Rafael Carinha de Campos, Juliana Conceição Teodoro, Célia Maria Araújo Galvão, Rubens Maciel Filho
In the context of cellulosic ethanol production, special attention must be given to the raw material, as it affects final product yield. As observed for sugarcane, bagasse variations may derive from several elements, for instance edaphoclimatic factors, seasonality, maturation stage and harvesting techniques. Therefore, in the present work, to investigate the impact of raw material characteristics on process performance, sugarcane bagasse from four harvests from October/2010 to October/2011 was pretreated by steam explosion and had its soluble and insoluble solids contents measured, following enzymatic hydrolysis to assess glucan conversion...
May 18, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28550766/gender-differences-in-quality-of-life-and-functional-disability-for-depression-outpatients-with-or-without-residual-symptoms-after-acute-phase-treatment-in-china
#5
Na Zhao, Xiaohong Wang, Wenyuan Wu, Yongdong Hu, Yajuan Niu, Xueyi Wang, Chengge Gao, Ning Zhang, Yiru Fang, Jizhong Huang, Tiebang Liu, Fujun Jia, Xuequan Zhu, Jian Hu, Gang Wang
BACKGROUND: Depression is associated with substantial personal suffering and reduced quality of life and functioning. The aim of this study was to investigate gender differences on quality of life and functional impairment of outpatients with depression after acute phase treatment. METHODS: 1503 depression outpatients were recruited from eleven hospitals in China. Subjects were evaluated with sociodemographic characteristics, history and self-report instruments, related to severity of symptoms, function and quality of life...
May 17, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28550765/social-and-academic-premorbid-adjustment-domains-predict-different-functional-outcomes-among-youth-with-first-episode-mania
#6
Aswin Ratheesh, Christopher G Davey, Rothanthi Daglas, Craig Macneil, Melissa Hasty, Kate Filia, Patrick D McGorry, Michael Berk, Philippe Conus, Sue Cotton
BACKGROUND: Premorbid characteristics may help predict the highly variable functional and illness outcomes of young people with early stage Bipolar Disorder (BD). We sought to examine the relationships between premorbid adjustment and short to medium-term outcomes after a first treated episode of mania. METHODS: We examined the baseline and 18-month follow-up characteristics of 117 participants with first episode of mania, treated at two tertiary early intervention services in Melbourne, Australia...
May 20, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28550764/mechanical-properties-of-crossed-lamellar-structures-in-biological-shells-a-review
#7
REVIEW
X W Li, H M Ji, W Yang, G P Zhang, D L Chen
The self-fabrication of materials in nature offers an alternate and powerful solution towards the grand challenge of designing advanced structural materials, where strength and toughness are always mutually exclusive. Crossed-lamellar structures are the most common microstructures in mollusks that are composed of aragonites and a small amount of organic materials. Such a distinctive composite structure has a fracture toughness being much higher than that of pure carbonate mineral. These structures exhibiting complex hierarchical microarchitectures that span several sub-level lamellae from microscale down to nanoscale, can be grouped into two types, i...
May 17, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28550753/catalase-loaded-cisplatin-prodrug-constructed-liposomes-to-overcome-tumor-hypoxia-for-enhanced-chemo-radiotherapy-of-cancer
#8
Rui Zhang, Xuejiao Song, Chao Liang, Xuan Yi, Guosheng Song, Yu Chao, Yu Yang, Kai Yang, Liangzhu Feng, Zhuang Liu
Aiming at improved therapeutic efficacies, the combination of chemotherapy and radiotherapy (chemo-radiotherapy) has been widely studied and applied in clinic. However, the hostile characteristics of tumor microenvironment such as hypoxia often limit the efficacies in both types of cancer therapies. Herein, catalase (CAT), an antioxidant enzyme, is encapsulated inside liposomes constituted by cisplatin (IV)-prodrug-conjugated phospholipid, forming CAT@Pt (IV)-liposome for enhanced chemo-radiotherapy of cancer...
May 18, 2017: Biomaterials
https://www.readbyqxmd.com/read/28550738/development-an-efficient-calibrated-nonlocal-plate-model-for-nonlinear-axial-instability-of-zirconia-nanosheets-using-molecular-dynamics-simulation
#9
S Sahmani, A M Fattahi
New ceramic materials containing nanoscaled crystalline phases create a main object of scientific interest due to their attractive advantages such as biocompatibility. Zirconia as a transparent glass ceramic is one of the most useful binary oxides in a wide range of applications. In the present study, a new size-dependent plate model is constructed to predict the nonlinear axial instability characteristics of zirconia nanosheets under axial compressive load. To accomplish this end, the nonlocal continuum elasticity of Eringen is incorporated to a refined exponential shear deformation plate theory...
April 27, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28550717/ooxtaxonomy-of-eight-tettigonoidea-species-insecta-orthoptera-description-and-comparison-of-the-egg-morphology
#10
Marta Franch Sas, Josep M Olmo-Vidal, Marcos Roca-Cusachs, Juli Pujade-Villar
In the present study, eggs of eight species of the Tettigonoidea superfamily have been examined with the aim to find characteristic traits of each of the studied taxa. In addition, we aim to distinguish them through their eggshell morphology, a technique that nowadays is known as ootaxonomy. All the eggs analysed belong to four subfamilies of the Tettigoniidae family (Bradyporinae: Ephippiger diurnus cunii, Parasteropleurus perezii, Lluciapomaresius panteli, L. ortegai, Tettigoniinae: Decticus verrucivorus, Antaxius hispanicus, and Meconematinae: Cyrtaspis scutata) and from family Phaneropteridae: Phaneroptera nana...
May 17, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/28550673/-clinical-characteristics-diagnosis-and-treatment-of-pulmonary-inflammatory-myofibroblastic-tumor-in-children
#11
F H Wang, J H Liang, J H Zeng, J Tang, H Wang, W Liu
Objective: To explore the clinical characteristics, diagnosis and treatment of pulmonary inflammatory myofibroblastic tumor in children. Methods: The clinical data of 13 patients with pulmonary inflammatory myofibroblastic tumor between October 2009 and October 2015 were retrospectively analyzed, including 9 boys and 4 girls aged 1 to 12 years 4 months (mean 4 years 9 months). Seven patients underwent total tumor resection, 4 had lobectomy, 1 had partial tumor resection and 1 had biopsy. The follow-up time ranged from 2 months to 6 years and 2 months...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550670/-analysis-of-the-risk-factors-for-postoperative-cervical-anastomotic-leakage-after-mckeown-s-esophagectomy
#12
G F Zhao, K P Zhang, S G Gao, J W Mu, Y S Mao, D L Wang, Y S Gao, F Lyu, L Zhao, Q Xue
Objective: To analyze risk factors of anastomotic leakage after McKeown'sesophagectomy. Methods: The clinical data of 635 esophageal cancer patients, who underwent McKeown's esophagectomy at Cancer Hospital of Chinese Academy of Medical Sciences from January 2012 to December 2015, were retrospectively analyzed. The risk factors of cervical anastomotic leakage were identified through analysis of medical history, surgical procedure, tumor characteristics and vascular calcification. Results: Among all the 635 patients, anastomotic leakage occurred in 111 (17...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550667/-clinical-features-and-risk-factors-for-recurrence-in-mucinous-breast-cancer
#13
L Lei, Z Z Chen, Y B Zheng, B Chen, X Wang, X J Wang
Objective: To investigate the clinicopathological characteristic and risk factors for recurrence in different subtypes of mucinous breast cancer(MBC). Methods: Clinical data of 97 MBC patients at Zhejiang Cancer Hospital from August 2005 to November 2012 were retrospectively analyzed. All of patients were divided into 3 subtypes according to the mucinous components in the tumors, named as partial mixed MBC with less than 50% of mucinous components, main mixed MBC where the mucinous component accounted for 50% to 90%, and pure MBC with more than 90% of mucinous components...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550661/-progression-of-diagnosis-and-treatment-for-adenosquamous-lung-carcinoma
#14
W J Zhao, X Wang, K W Ma
Adenosquamous lung carcinoma (ASC) is an uncommon entity of the primary lung cancer, which is mixed by adenocarcinoma and squamous carcinoma cells. ASC not only possesses the malignant biological characteristics of adenocarcinoma and squamous cell carcinoma, but also exhibits special clinical features, such as the higher malignant degree and poorer prognosis. This paper is aimed to elaborate the research process of the pathological origin of ASC, the application of different diagnostic methods in ASC, various therapeutic strategies and its associated prognosis so as to help to develop the clinical strategies of ASC...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550630/the-effects-of-different-sewage-sludge-amendment-rates-on-the-heavy-metal-bioaccumulation-growth-and-biomass-of-cucumbers-cucumis-sativus-l
#15
Ebrahem M Eid, Sulaiman A Alrumman, Ahmed F El-Bebany, Abd El-Latif Hesham, Mostafa A Taher, Khaled F Fawy
When sewage sludge is incorrectly applied, it may adversely impact agro-system productivity. Thus, this study addresses the reaction of Cucumis sativus L. (cucumber) to different amendment rates (0, 10, 20, 30, 40 and 50 g kg(-1)) of sewage sludge in a greenhouse pot experiment, in which the plant growth, heavy metal uptake and biomass were evaluated. A randomized complete block design with six treatments and six replications was used as the experimental design. The soil electrical conductivity, organic matter and Cr, Fe, Zn and Ni concentrations increased, but the soil pH decreased in response to the sewage sludge applications...
May 26, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28550625/make-it-real-belief-in-occurrence-within-episodic-future-thought
#16
Alexandra Ernst, Arnaud D'Argembeau
While the cognitive and neural bases of episodic future thinking are well documented, questions remain as to what gives the sense that an imagined event belongs to one's personal future. Capitalizing on previous research on metacognitive appraisals in autobiographical remembering, we propose that episodic future thinking involves, in varying degrees, a subjective belief in the potential occurrence of imagined future events and we explore the nature and determinants of such belief. To this aim, participants provided justifications for belief in occurrence for a series of past and future events...
May 26, 2017: Memory & Cognition
https://www.readbyqxmd.com/read/28550611/-18-f-fluorodeoxyglucose-positron-emission-tomography-in-the-diagnosis-of-malignancy-in-patients-with-paraneoplastic-neurological-syndrome-a-systematic-review-and-meta-analysis
#17
REVIEW
Ana María García Vicente, Roberto C Delgado-Bolton, Mariano Amo-Salas, Jesús López-Fidalgo, Ana Paula Caresia Aróztegui, José Ramón García Garzón, Javier Orcajo Rincón, María José García Velloso, María de Arcocha Torres, Soledad Alvárez Ruíz
PURPOSE: The detection of occult cancer in patients suspected of having a paraneoplastic neurological syndrome (PNS) poses a diagnostic challenge. The aim of our study was to perform a systematic review and meta-analysis to assess the diagnostic performance of FDG PET for the detection of occult malignant disease responsible for PNS. METHODS: A systematic review of the literature (MEDLINE, EMBASE, Cochrane, and DARE) was undertaken to identify studies published in any language...
May 27, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28550607/dft-based-prediction-of-reactivity-of-short-chain-alcohol-dehydrogenase
#18
I Stawoska, A Dudzik, M Wasylewski, M Jemioła-Rzemińska, A Skoczowski, K Strzałka, M Szaleniec
The reaction mechanism of ketone reduction by short chain dehydrogenase/reductase, (S)-1-phenylethanol dehydrogenase from Aromatoleum aromaticum, was studied with DFT methods using cluster model approach. The characteristics of the hydride transfer process were investigated based on reaction of acetophenone and its eight structural analogues. The results confirmed previously suggested concomitant transfer of hydride from NADH to carbonyl C atom of the substrate with proton transfer from Tyr to carbonyl O atom...
May 26, 2017: Journal of Computer-aided Molecular Design
https://www.readbyqxmd.com/read/28550606/renal-injury-in-pediatric-anorexia-nervosa-a-retrospective-study
#19
Chantal Stheneur, Sebastien J Bergeron, Jean-Yves Frappier, Olivier Jamoulle, Danielle Taddeo, Marc Sznajder, Anne-Laure Lapeyraque
PURPOSE: Although primarily a mental health disorder, anorexia nervosa (AN) has many physical consequences. Among them, the consequences on kidney function are often underestimated. We evaluated renal function in adolescent AN inpatients and investigated the correlation between the GFR and intrinsic patient characteristics. METHODS: A single-center retrospective study was conducted on 51 patients hospitalized for the restrictive type of AN in 2013. Data were divided into: (1) medical history of AN; (2) growth parameters and vital signs upon admission; and (3) blood tests...
May 26, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28550599/rare-earth-elements-in-street-dust-and-associated-health-risk-in-a-municipal-industrial-base-of-central-china
#20
Guangyi Sun, Zhonggen Li, Ting Liu, Ji Chen, Tingting Wu, Xinbin Feng
The content levels, distribution characteristics, and health risks associated with 15 rare earth elements (REEs) in urban street dust from an industrial city, Zhuzhou, in central China were investigated. The total REE content (∑REE) ranged from 66.1 to 237.4 mg kg(-1), with an average of 115.9 mg kg(-1), which is lower than that of Chinese background soil and Yangtze river sediment. Average content of the individual REE in street dust decreased in the order Ce > La > Nd > Y > Pr > Sm > Gd > Dy > Er > Yb > Eu > Ho > Tb > Tm > Lu...
May 26, 2017: Environmental Geochemistry and Health
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