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https://www.readbyqxmd.com/read/28426984/biomagnetic-monitoring-and-element-content-of-lichen-transplants-in-a-mixed-land-use-area-of-ne-italy
#1
Danijela Kodnik, Aldo Winkler, Fabio Candotto Carniel, Mauro Tretiach
The aim of this study was to verify whether it is possible to discriminate between the different pollution sources present in a mixed land use area of NE Italy on the basis of the magnetic properties and the element content of lichen transplants. Thalli of Pseudevernia furfuracea were collected in a pristine area of the South-Eastern Alps and exposed for 2months in 40 sites located at the knots of a 700m step grid covering ca. 40km(2) of a mosaic of agricultural, forested, industrial and urban areas. In this way, the samples could be analyzed after a defined period of time, and compared to pre-exposure conditions...
April 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28426712/the-culturable-mycobiota-of-flabellia-petiolata-first-survey-of-marine-fungi-associated-to-a-mediterranean-green-alga
#2
Giorgio Gnavi, Laura Garzoli, Anna Poli, Valeria Prigione, Gaëtan Burgaud, Giovanna Cristina Varese
Algae-inhabiting marine fungi represent a taxonomically and ecologically interesting group of microorganisms still largely neglected, especially in temperate regions. The aim of this study was to isolate and to identify the culturable mycobiota associated with Flabellia petiolata, a green alga frequently retrieved in the Mediterranean basin. Twenty algal thalli were collected from two different sampling sites in the Mediterranean Sea (Elba Island, Italy). A polyphasic approach showed the presence of a relevant alga-associated mycobiota with 64 taxa identified...
2017: PloS One
https://www.readbyqxmd.com/read/28414935/cdna-cloning-molecular-modeling-and-docking-calculations-of-l-type-lectins-from-swartzia-simplex-var-grandiflora-leguminosae-papilionoideae-a-member-of-the-tribe-swartzieae
#3
Paulo A C Maranhão, Claudener S Teixeira, Bruno L Sousa, Ito L Barroso-Neto, José E Monteiro-Júnior, Andreia V Fernandes, Marcio V Ramos, Ilka M Vasconcelos, José F C Gonçalves, Bruno A M Rocha, Valder N Freire, Thalles B Grangeiro
The genus Swartzia is a member of the tribe Swartzieae, whose genera constitute the living descendants of one of the early branches of the papilionoid legumes. Legume lectins comprise one of the main families of structurally and evolutionarily related carbohydrate-binding proteins of plant origin. However, these proteins have been poorly investigated in Swartzia and to date, only the lectin from S. laevicarpa seeds (SLL) has been purified. Moreover, no sequence information is known from lectins of any member of the tribe Swartzieae...
April 14, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28411060/in%C3%A2-vitro-anti-candida-activity-of-selective-serotonin-reuptake-inhibitors-against-fluconazole-resistant-strains-and-their-activity-against-biofilm-forming-isolates
#4
Rose Anny Costa Silva, Cecília Rocha da Silva, João Batista de Andrade Neto, Anderson Ramos da Silva, Rosana Sousa Campos, Letícia Serpa Sampaio, Francisca Bruna Stefany Aires do Nascimento, Brenda da Silva Gaspar, Said Gonçalves da Cruz Fonseca, Maria Aparecida Alexandre Josino, Thalles Barbosa Grangeiro, Danielle Macedo Gaspar, David Freitas de Lucena, Manoel Odorico de Moraes, Bruno Coêlho Cavalcanti, Hélio Vitoriano Nobre Júnior
Recent research has shown broad antifungal activity of the classic antidepressants selective serotonin reuptake inhibitors (SSRIs). This fact, combined with the increased cross-resistance frequency of the genre Candida regarding the main treatment today, fluconazole, requires the development of novel therapeutic strategies. In that context, this study aimed to assess the antifungal potential of fluoxetine, sertraline, and paroxetine against fluconazole-resistant Candida spp. planktonic cells, as well as to assess the mechanism of action and the viability of biofilms treated with fluoxetine...
April 12, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28410402/unexpected-associated-microalgal-diversity-in-the-lichen-ramalina-farinacea-is-uncovered-by-pyrosequencing-analyses
#5
Patricia Moya, Arántzazu Molins, Fernando Martínez-Alberola, Lucia Muggia, Eva Barreno
The current literature reveals that the intrathalline coexistence of multiple microalgal taxa in lichens is more common than previously thought, and additional complexity is supported by the coexistence of bacteria and basidiomycete yeasts in lichen thalli. This replaces the old paradigm that lichen symbiosis occurs between a fungus and a single photobiont. The lichen Ramalina farinacea has proven to be a suitable model to study the multiplicity of microalgae in lichen thalli due to the constant coexistence of Trebouxia sp...
2017: PloS One
https://www.readbyqxmd.com/read/28405882/iq-spect-for-thallium-201-myocardial-perfusion-imaging-effect-of-normal-databases-on-quantification
#6
Takahiro Konishi, Kenichi Nakajima, Koichi Okuda, Hiroto Yoneyama, Shinro Matsuo, Takayuki Shibutani, Masahisa Onoguchi, Seigo Kinuya
OBJECTIVE: Although IQ-single-photon emission computed tomography (SPECT) provides rapid acquisition and attenuation-corrected images, the unique technology may create characteristic distribution different from the conventional imaging. This study aimed to compare the diagnostic performance of IQ-SPECT using Japanese normal databases (NDBs) with that of the conventional SPECT for thallium-201 ((201)Tl) myocardial perfusion imaging (MPI). METHODS: A total of 36 patients underwent 1-day (201)Tl adenosine stress-rest MPI...
April 12, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28392814/microleakage-evaluation-at-implant-abutment-interface-using-radiotracer-technique
#7
Hakimeh Siadat, Mahnaz Arshad, Hossein-Ali Mahgoli, Babak Fallahi
OBJECTIVES: Microbial leakage through the implant-abutment (I-A) interface results in bacterial colonization in two-piece implants. The aim of this study was to compare microleakage rates in three types of Replace abutments namely Snappy, GoldAdapt, and customized ceramic using radiotracing. MATERIALS AND METHODS: Three groups, one for each abutment type, of five implants and one positive and one negative control were considered (a total of 17 regular body implants)...
June 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28389401/expression-in-escherichia-coli-of-cysteine-protease-inhibitors-from-cowpea-vigna-unguiculata-the-crystal-structure-of-a-single-domain-cystatin-gives-insights-on-its-thermal-and-ph-stability
#8
José Edvar Monteiro Júnior, Napoleão Fonseca Valadares, Humberto D'Muniz Pereira, Fábio Henrique Dyszy, Antônio José da Costa Filho, Adriana Ferreira Uchôa, Adeliana Silva de Oliveira, Cristina Paiva da Silveira Carvalho, Thalles Barbosa Grangeiro
Two cysteine proteinase inhibitors from cowpea, VuCys1 and VuCys2, were produced in E. coli ArcticExpress (DE3). The recombinant products strongly inhibited papain and chymopapain as well as the midgut proteases from Callosobruchus maculatus larvae, a bruchid that uses cysteine proteases as major digestive enzymes. Heat treatment at 100°C for up to 60min or incubation at various pH values caused little reduction in the papain inhibitory activity of both inhibitors. Moreover, minor conformational variations, as probed by circular dichroism spectroscopy, were observed after VuCys1 and VuCys2 were subjected to these treatments...
April 4, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28385487/pyrolysis-of-azolla-sargassum-tenerrimum-and-water-hyacinth-for-production-of-bio-oil
#9
Bijoy Biswas, Rawel Singh, Bhavya B Krishna, Jitendra Kumar, Thallada Bhaskar
Pyrolysis of azolla, sargassum tenerrimum and water hyacinth were carried out in a fixed-bed reactor at different temperatures in the range of 300-450°C in the presence of nitrogen (inert atmosphere). The objective of this study is to understand the effect of compositional changes of various aquatic biomass samples on product distribution and nature of products during slow pyrolysis. The maximum liquid product yield of azolla, sargassum tenerrimum and water hyacinth (38.5, 43.4 and 24.6wt.% respectively) obtained at 400, 450 and 400°C...
March 16, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28382386/effects-of-hemoglobin-level-on-myocardial-washout-rate-of-thallium-201-in-patients-with-normal-myocardial-perfusion-assessed-by-single-photon-emission-computed-tomography
#10
Satoshi Kurisu, Yoji Sumimoto, Hiroki Ikenaga, Noriaki Watanabe, Ken Ishibashi, Yoshihiro Dohi, Yukihiro Fukuda, Yasuki Kihara
Myocardial perfusion single-photon emission computed tomography (SPECT) is often performed even in patients with suspected coronary artery disease complicated by anemia. We assessed the effects of hemoglobin level on myocardial washout rate of Thallium-201 (Tl-201) in patients with normal myocardial perfusion assessed by SPECT. The study population consisted of 231 patients with summed stress score of zero on SPECT. The mean myocardial washout rate of Tl-201 in the left ventricle was calculated from the stress and the redistribution Bull's eye map...
April 5, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28381356/blocking-screws-for-alignment-control-in-intramedullary-limb-lengthening
#11
Julian Fürmetz, Stefan Bösl, James Schilling, Florian Wolf, Nikolaus Degen, Peter H Thaller
Simultaneous deformity correction in the frontal and sagittal plane becomes more and more an important part of intramedullary lengthening to avoid further operative procedures. Such as in fracture treatment blocking screws can be used for alignment control if osteotomy is performed in the metaphyseal bone. 31 intramedullary lengthening procedures between 2009 and 2011 were retrospectively analysed for precision of simultaneous deformity correction. The average planned correction to the HKA was 2.4° (0.1°-8...
March 31, 2017: Injury
https://www.readbyqxmd.com/read/28368329/vitamin-a-oral-supplementation-induces-oxidative-stress-and-suppresses-il-10-and-hsp70-in-skeletal-muscle-of-trained-rats
#12
Lyvia Lintzmaier Petiz, Carolina Saibro Girardi, Rafael Calixto Bortolin, Alice Kunzler, Juciano Gasparotto, Thallita Kelly Rabelo, Cristiane Matté, José Claudio Fonseca Moreira, Daniel Pens Gelain
Exercise training intensity is the major variant that influences the relationship between exercise, redox balance, and immune response. Supplement intake is a common practice for oxidative stress prevention; the effects of vitamin A (VA) on exercise training are not yet described, even though this molecule exhibits antioxidant properties. We investigated the role of VA supplementation on redox and immune responses of adult Wistar rats subjected to swimming training. Animals were divided into four groups: sedentary, sedentary + VA, exercise training, and exercise training + VA...
April 2, 2017: Nutrients
https://www.readbyqxmd.com/read/28367957/successful-lichen-translocation-on-disturbed-gypsum-areas-a-test-with-adhesives-to-promote-the-recovery-of-biological-soil-crusts
#13
M Ballesteros, J Ayerbe, M Casares, E M Cañadas, J Lorite
The loss of biological soil crusts represents a challenge for the restoration of disturbed environments, specifically in particular substrates hosting unique lichen communities. However, the recovery of lichen species affected by mining is rarely addressed in restoration projects. Here, we evaluate the translocation of Diploschistes diacapsis, a representative species of gypsum lichen communities affected by quarrying. We tested how a selection of adhesives could improve thallus attachment to the substrate and affect lichen vitality (as CO2 exchange and fluorescence) in rainfall-simulation and field experiments...
April 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28355586/simultaneous-removal-of-thallium-and-chloride-from-a-highly-saline-industrial-wastewater-using-modified-anion-exchange-resins
#14
Huosheng Li, Yongheng Chen, Jianyou Long, Daqian Jiang, Juan Liu, Sijie Li, Jianying Qi, Ping Zhang, Jin Wang, Jian Gong, Qihang Wu, Diyun Chen
Simultaneous removal of thallium (Tl) and chloride from a highly saline industrial wastewater was investigated using modified anion ion exchange resins. The removal of thallium was mainly driven by the exchange of Tl-chlorocomplex (TlCl4(-)) formed in the oxidation of thallous (Tl (I)) to thallic ion (Tl (III)) by hydrogen peroxide (H2O2) under saline conditions. Over 97% of thallium and chloride removal was achieved using the modified resins, with a wide optimal conditions found to be H2O2 dosage 1.0-25.0mL/L, pH 1...
March 11, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28355370/targeting-personalized-medicine-in-a-non-hodgkin-lymphoma-patient-with-18f-fdg-and-18f-choline-pet-ct
#15
Thalles H Ribeiro, Raul S, Ana Carolina G Castro, Eduardo Paulino, Marcelo Mamede
Early diagnosis and staging of non-Hodgkin lymphoma (NHL) is essential for therapeutic strategy decision. Positron emission tomography/computed tomography (PET/CT) with fluordeoxyglucose (FDG), a glucose analogue, labeled with fluor-18 (18F-FDG) has been used to evaluate staging, therapy response and prognosis in NHL patients. However, in some cases, 18F-FDG has shown false-positive uptake due to inflammatory reaction after chemo and/or radiation therapy. In this case report, we present a NHL patient evaluated with 18F-FDG and 18F-choline PET/CT scan imaging pre- and post-therapy...
February 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28353103/the-geochemical-release-feature-of-tl-in-tl-rich-pyrite-mine-wastes-a-long-term-leaching-test
#16
Jinwen Li, Nan Chen, Ivy Rajan, Zhehua Sun, Huiming Wu, Diyun Chen, Lingjun Kong
Identifying and revealing the geochemical behaviour of Tl during mine waste weathering are very important to assess the potential environmental impact of Thallium (Tl) from open mine-waste piles. Herein, two methods including the modified BCR sequential extraction and the long-term humidity cell tests (HCT) were employed to understand the Tl chemical fractions and to stimulate intense chemical weathering process, respectively. The results from BCR sequential extraction showed that the Tl concentration in the studied sample was 18...
March 28, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28347621/effects-of-temperature-and-solvent-on-hydrothermal-liquefaction-of-sargassum-tenerrimum-algae
#17
Bijoy Biswas, Aishwarya Arun Kumar, Yashasvi Bisht, Rawel Singh, Jitendra Kumar, Thallada Bhaskar
The influence of various solvents (H2O, CH3OH, and C2H5OH) on product distribution and nature of products during hydrothermal liquefaction of sargassum tenerrimum algae has been examined. Hydrothermal liquefaction was performed using H2O (260, 280 and 300°C) and organic solvents CH3OH and C2H5OH (280°C) for 15min. The use of organic solvents significantly increased the yield of bio-oil. In the case of liquefaction with CH3OH and C2H5OH, the bio-oil yield was 22.8 and 23.8wt.% respectively whereas the bio-oil yield was 16...
March 15, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28347468/trace-element-status-in-patients-with-type-2-diabetes-in-norway-the-hunt3-survey
#18
Anica Simić, Ailin Falkmo Hansen, Bjørn Olav Åsvold, Pål Richard Romundstad, Kristian Midthjell, Tore Syversen, Trond Peder Flaten
Several epidemiological studies have indicated that a number of trace elements may play a role in type 2 diabetes (T2D). We investigated the association between prevalent T2D and the concentrations of 25 trace elements in whole blood, and the relationships between T2D duration and blood levels of the trace elements that we found to be related to T2D prevalence. In this population based case-control study, 267 patients with self-reported T2D and 609 controls (frequency matched), were selected from the third Nord-Trøndelag Health Survey...
May 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28344392/seasonal-population-dynamics-of-sargassum-fusiforme-fucales-phaeophyta-suo-oshima-is-seto-inland-sea-japan-development-processes-of-a-stand-characterized-by-high-density-and-productivity
#19
Goro Yoshida, Hiromori Shimabukuro
Seasonal population dynamics of Sargassum fusiforme, one of the most important edible macroalgae in Japan, were studied. Recruits were mainly generated by vegetative reproduction at the margins of filamentous holdfasts. They first appeared in late spring and peaked in summer as upright thalli of the previous generation withered. After producing recruits, holdfasts withered indicating that holdfasts were also annual, the same as upright thalli. All recruits produced main branches and became new upright thalli in early autumn...
2017: Journal of Applied Phycology
https://www.readbyqxmd.com/read/28340386/constructed-ils-coated-porous-magnetic-nickel-cobaltate-hexagonal-nanoplates-sensing-materials-for-the-simultaneous-detection-of-cumulative-toxic-metals
#20
Yuanyuan Dong, Lei Zhang
The different morphologies of magnetic nickel cobaltate (NiCo2O4) electrocatalysts, consisting of nanoparticles (NiCo2O4-N), nanoplates (NiCo2O4-P) and microspheres (NiCo2O4-S) were fabricated. It was found that the electrocatalytic properties of the sensing materials were strongly dependent on morphology and specific surface area. The porous NiCo2O4 hexagonal nanoplates coupled with ILs as modified materials (ILs@NiCo2O4-P) for the simultaneous determination of thallium (Tl(+)), lead (Pb(2+)) and copper (Cu(2+)), exhibited high sensitivity, long-time stability and good repeatability...
March 18, 2017: Journal of Hazardous Materials
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