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https://www.readbyqxmd.com/read/28551874/coptidis-rhizoma-extract-inhibits-replication-of-respiratory-syncytial-virus-in-vitro-and-in-vivo-by-inducing-antiviral-state
#1
Byeong-Hoon Lee, Kiramage Chathuranga, Md Bashir Uddin, Prasanna Weeratunga, Myun Soo Kim, Won-Kyung Cho, Hong Ik Kim, Jin Yeul Ma, Jong-Soo Lee
Coptidis Rhizoma is derived from the dried rhizome of Ranunculaceous plants and is a commonly used traditional Chinese medicine. Although Coptidis Rhizoma is commonly used for its many therapeutic effects, antiviral activity against respiratory syncytial virus (RSV) has not been reported in detail. In this study, we evaluated the antiviral activities of Coptidis Rhizoma extract (CRE) against RSV in human respiratory tract cell line (HEp2) and BALB/c mice. An effective dose of CRE significantly reduces the replication of RSV in HEp2 cells and reduces the RSV-induced cell death...
June 2017: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/28551492/charge-distribution-of-light-mass-fission-products-in-the-fast-neutron-induced-fission-of-232-th-238-u-240-pu-and-244-cm
#2
Haladhara Naik, Ram Janam Singh, Shrikant Pandurang Dange
Fractional cumulative yields (FCY) of various light mass fission products in the fast neutron induced fission of (232)Th, (238)U, (240)Pu and (244)Cm have been determined by using the off-line γ-ray spectrometric technique. From present and literature data, width of isobaric charge distribution (σZ), the most probable charge (ZP) and the experimental charge polarization (∆ΖEXPT) as a function of fragment mass were deduced. The ∆ΖEXPT values from the present work for light mass chains and earlier work for heavy mass chains show oscillating nature due to nuclear structure effect...
May 9, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28551261/production-of-sn-1-3-distearoyl-2-oleoyl-glycerol-rich-fats-from-mango-kernel-fat-by-selective-fractionation-using-2-methylpentane-based-isohexane
#3
Jun Jin, Liyou Zheng, Warda Mwinyi Pembe, Jinfang Zhang, Dan Xie, Xiaosan Wang, Jianhua Huang, Qingzhe Jin, Xingguo Wang
High-purity isohexane containing 88.12% 2-methylpentane, which has a higher polarity than industrial hexane, was selected to selectively fractionate mango kernel fat to produce 1,3-distearoyl-2-oleoyl-glycerol (SOS)-rich fat. The three-stage fractionation process was optimized by considering the stearin yield and its SOS content to obtain a third stearin (TS). This fat contained a high percentage of SOS (69.2%) with only 0.8% diacylglycerol. Mass spectra and sn-2 fatty acid analyses further revealed that the TS was mainly composed of symmetrical monounsaturated triacylglycerols...
November 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28551241/structure-characterization-and-antioxidant-activity-of-polysaccharides-from-chinese-quince-seed-meal
#4
Li Wang, Hua-Min Liu, Guang-Yong Qin
In the present study, three polysaccharide fractions, QSMP-1, QSMP-2, and QSMP-3, were isolated and purified from the seed meal of Chinese quince. These fractions' structures were investigated by high performance anion exchange chromatography (HPAEC), gel permeation chromatography (GPC), Fourier transform infrared (FT-IR), and nuclear magnetic resonance (NMR), and their antioxidant activities were assessed. The results showed that QSMP-1 is a novel polysaccharide with a backbone mainly composed of →4)-Glcp-(1→, →6)-Glcp-(1→, →6)-Galp-(1→, →2, 3, 4)-Xylp-(1→...
November 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28551230/attributes-of-lipid-oxidation-due-to-bovine-myoglobin-hemoglobin-and-hemolysate
#5
Jie Yin, Wenjing Zhang, Mark P Richards
Bovine hemolysate was purified by size exclusion chromatography, and one high molecular weight protein was detected relative to the hemoglobin (Hb) fraction. Purified Hb promoted lipid oxidation in washed muscle slightly but significantly better than hemolysate, which may have been due to the absence of catalase and peroxiredoxin in the purified Hb. Purified Hb auto-oxidized to metHb more rapidly than Hb in the hemolysate (P<0.05). OxyHb promoted lipid oxidation in washed muscle more effectively compared to oxyMb (P<0...
November 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28551225/prevention-of-denaturation-of-freshwater-crayfish-muscle-subjected-to-different-freeze-thaw-cycles-by-gelatin-hydrolysate
#6
Mehran Yasemi
The cryoprotective effect of gelatin hydrolysates from the skin of beluga sturgeon (Huso huso) on freshwater crayfish (Astacus leptodactylus) muscle subjected to different freeze-thaw cycles was investigated. Untreated muscle was particularly susceptible to quality loss as indicated by the formation of secondary lipid oxidation products and the loss in sulfhydryl groups and Ca(2+)-ATPase activity. Hydrolysate produced using flavourzyme which was mainly consisted of oligopeptides as the main fraction as well as small fraction of polypeptides could lower the denaturation of crayfish myosin heavy chain when compared to the control...
November 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28550408/bacillus-pumilus-strain-yspmk11-as-plant-growth-promoter-and-bicontrol-agent-against-sclerotinia-sclerotiorum
#7
Manoj Kaushal, Ajay Kumar, Rajesh Kaushal
A study was executed in a direction to attenuate Sclerotinia stalk rot (SSR) disease through biocontrol agent and also to enhance crop productivity. Culture filtrate of bacterial strain YSPMK11 inhibited growth of Sclerotinia sclerotiorum in vitro which also exhibited higher plant growth promoting attributes. Interaction studies revealed maximum (81.50%) growth inhibition at 35 °C and pH 7.0 after 72 h incubation period with 15% culture filtrate. Based upon 16S rRNA gene sequence strain, YSPMK11 was identified as Bacillus pumilus...
June 2017: 3 Biotech
https://www.readbyqxmd.com/read/28550063/an-environment-friendly-engineered-azotobacter-can-replace-substantial-amount-of-urea-fertilizer-and-yet-sustain-same-wheat-yield
#8
Umesh K Bageshwar, Madhulika Srivastava, Pedisetty Pardha-Saradhi, Sangeeta Paul, Sellamuthu Gothandapani, Ranjeet S Jaat, Prabha Shankar, Rajbir Yadav, Dipak R Biswas, Polumetla A Kumar, Jasdeep C Padaria, Pranab K Mandal, Kannepalli Annapurna, Hirendra K Das
In our endeavor to improve upon nitrogen fixation efficiency of a soil diazotroph that would be unaffected by synthetic nitrogenous fertilizers, we have deleted a part of the negative regulatory gene nifL and constitutively expressed the positive regulatory gene nifA in the chromosome of Azotobacter chroococcum CBD15, a strain isolated from the local field soil. No antibiotic resistance gene or other foreign gene was there in the chromosome of the engineered strain. Wheat seeds inoculated with this engineered strain, which we have named Azotobacter chroococcum HKD15, were tested for three years in pots and one year in the field...
May 26, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28549795/brain-grey-and-white-matter-predictors-of-verbal-ability-traits-in-older-age-the-lothian-birth-cohort-1936
#9
Paul Hoffman, Simon R Cox, Dominika Dykiert, Susana Muñoz Maniega, Maria C Valdés Hernández, Mark E Bastin, Joanna M Wardlaw, Ian J Deary
Cerebral grey and white matter MRI parameters are related to general intelligence and some specific cognitive abilities. Less is known about how structural brain measures relate specifically to verbal processing abilities. We used multi-modal structural MRI to investigate the grey matter (GM) and white matter (WM) correlates of verbal ability in 556 healthy older adults (mean age = 72.68 years, s.d. = 0.72 years). Structural equation modelling was used to decompose verbal performance into two latent factors: a storage factor that indexed participants' ability to store representations of verbal knowledge and an executive factor that measured their ability to regulate their access to this information in a flexible and task-appropriate manner...
May 23, 2017: NeuroImage
https://www.readbyqxmd.com/read/28549289/identifying-the-source-of-zn-in-soils-around-a-zn-smelter-using-pb-isotope-ratios-and-mineralogical-analysis
#10
Soo-Kyung Jeon, Man Jae Kwon, Jung-Seok Yang, Seunghak Lee
The contribution by anthropogenic sources to abnormally high Zn concentrations in soils with naturally abundant Zn was investigated at a contaminated site surrounding a Zn smelter in eastern Korea. Nineteen soil samples were collected within a 2km radius of the smelter, and analyzed for metal concentrations and Pb isotope ratios using an inductively coupled plasma-optical emission spectrometer and -mass spectrometer, respectively. Higher Zn concentrations in locations closer to the smelter implied that the smelter was the source of the Zn pollution...
May 23, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28548573/inulin-type-fructan-degradation-capacity-of-clostridium-cluster-iv-and-xiva-butyrate-producing-colon-bacteria-and-their-associated-metabolic-outcomes
#11
F Moens, L De Vuyst
Four selected butyrate-producing colon bacterial strains belonging to Clostridium cluster IV (Butyricicoccus pullicaecorum DSM 23266(T) and Faecalibacterium prausnitzii DSM 17677(T)) and XIVa (Eubacterium hallii DSM 17630 and Eubacterium rectale CIP 105953(T)) were studied as to their capacity to degrade inulin-type fructans and concomitant metabolite production. Cultivation of these strains was performed in bottles and fermentors containing a modified medium for colon bacteria, including acetate, supplemented with either fructose, oligofructose, or inulin as the sole energy source...
May 30, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28548519/study-of-j-%C3%AF-production-in-jets
#12
R Aaij, B Adeva, M Adinolfi, Z Ajaltouni, S Akar, J Albrecht, F Alessio, M Alexander, S Ali, G Alkhazov, P Alvarez Cartelle, A A Alves, S Amato, S Amerio, Y Amhis, L An, L Anderlini, G Andreassi, M Andreotti, J E Andrews, R B Appleby, F Archilli, P d'Argent, J Arnau Romeu, A Artamonov, M Artuso, E Aslanides, G Auriemma, M Baalouch, I Babuschkin, S Bachmann, J J Back, A Badalov, C Baesso, S Baker, V Balagura, W Baldini, A Baranov, R J Barlow, C Barschel, S Barsuk, W Barter, F Baryshnikov, M Baszczyk, V Batozskaya, B Batsukh, V Battista, A Bay, L Beaucourt, J Beddow, F Bedeschi, I Bediaga, A Beiter, L J Bel, V Bellee, N Belloli, K Belous, I Belyaev, E Ben-Haim, G Bencivenni, S Benson, S Beranek, A Berezhnoy, R Bernet, A Bertolin, C Betancourt, F Betti, M-O Bettler, M van Beuzekom, Ia Bezshyiko, S Bifani, P Billoir, T Bird, A Birnkraut, A Bitadze, A Bizzeti, T Blake, F Blanc, J Blouw, S Blusk, V Bocci, T Boettcher, A Bondar, N Bondar, W Bonivento, I Bordyuzhin, A Borgheresi, S Borghi, M Borisyak, M Borsato, F Bossu, M Boubdir, T J V Bowcock, E Bowen, C Bozzi, S Braun, M Britsch, T Britton, J Brodzicka, E Buchanan, C Burr, A Bursche, J Buytaert, S Cadeddu, R Calabrese, M Calvi, M Calvo Gomez, A Camboni, P Campana, D H Campora Perez, L Capriotti, A Carbone, G Carboni, R Cardinale, A Cardini, P Carniti, L Carson, K Carvalho Akiba, G Casse, L Cassina, L Castillo Garcia, M Cattaneo, G Cavallero, R Cenci, D Chamont, M Charles, Ph Charpentier, G Chatzikonstantinidis, M Chefdeville, S Chen, S-F Cheung, V Chobanova, M Chrzaszcz, X Cid Vidal, G Ciezarek, P E L Clarke, M Clemencic, H V Cliff, J Closier, V Coco, J Cogan, E Cogneras, V Cogoni, L Cojocariu, G Collazuol, P Collins, A Comerma-Montells, A Contu, A Cook, G Coombs, S Coquereau, G Corti, M Corvo, C M Costa Sobral, B Couturier, G A Cowan, D C Craik, A Crocombe, M Cruz Torres, S Cunliffe, R Currie, C D'Ambrosio, F Da Cunha Marinho, E Dall'Occo, J Dalseno, P N Y David, A Davis, K De Bruyn, S De Capua, M De Cian, J M De Miranda, L De Paula, M De Serio, P De Simone, C T Dean, D Decamp, M Deckenhoff, L Del Buono, M Demmer, A Dendek, D Derkach, O Deschamps, F Dettori, B Dey, A Di Canto, H Dijkstra, F Dordei, M Dorigo, A Dosil Suárez, A Dovbnya, K Dreimanis, L Dufour, G Dujany, K Dungs, P Durante, R Dzhelyadin, A Dziurda, A Dzyuba, N Déléage, S Easo, M Ebert, U Egede, V Egorychev, S Eidelman, S Eisenhardt, U Eitschberger, R Ekelhof, L Eklund, S Ely, S Esen, H M Evans, T Evans, A Falabella, N Farley, S Farry, R Fay, D Fazzini, D Ferguson, G Fernandez, A Fernandez Prieto, F Ferrari, F Ferreira Rodrigues, M Ferro-Luzzi, S Filippov, R A Fini, M Fiore, M Fiorini, M Firlej, C Fitzpatrick, T Fiutowski, F Fleuret, K Fohl, M Fontana, F Fontanelli, D C Forshaw, R Forty, V Franco Lima, M Frank, C Frei, J Fu, W Funk, E Furfaro, C Färber, A Gallas Torreira, D Galli, S Gallorini, S Gambetta, M Gandelman, P Gandini, Y Gao, L M Garcia Martin, J García Pardiñas, J Garra Tico, L Garrido, P J Garsed, D Gascon, C Gaspar, L Gavardi, G Gazzoni, D Gerick, E Gersabeck, M Gersabeck, T Gershon, Ph Ghez, S Gianì, V Gibson, O G Girard, L Giubega, K Gizdov, V V Gligorov, D Golubkov, A Golutvin, A Gomes, I V Gorelov, C Gotti, E Govorkova, R Graciani Diaz, L A Granado Cardoso, E Graugés, E Graverini, G Graziani, A Grecu, R Greim, P Griffith, L Grillo, B R Gruberg Cazon, O Grünberg, E Gushchin, Yu Guz, T Gys, C Göbel, T Hadavizadeh, C Hadjivasiliou, G Haefeli, C Haen, S C Haines, B Hamilton, X Han, S Hansmann-Menzemer, N Harnew, S T Harnew, J Harrison, M Hatch, J He, T Head, A Heister, K Hennessy, P Henrard, L Henry, E van Herwijnen, M Heß, A Hicheur, D Hill, C Hombach, H Hopchev, W Hulsbergen, T Humair, M Hushchyn, D Hutchcroft, M Idzik, P Ilten, R Jacobsson, A Jaeger, J Jalocha, E Jans, A Jawahery, F Jiang, M John, D Johnson, C R Jones, C Joram, B Jost, N Jurik, S Kandybei, M Karacson, J M Kariuki, S Karodia, M Kecke, M Kelsey, M Kenzie, T Ketel, E Khairullin, B Khanji, C Khurewathanakul, T Kirn, S Klaver, K Klimaszewski, T Klimkovich, S Koliiev, M Kolpin, I Komarov, P Koppenburg, A Kosmyntseva, A Kozachuk, M Kozeiha, L Kravchuk, K Kreplin, M Kreps, P Krokovny, F Kruse, W Krzemien, W Kucewicz, M Kucharczyk, V Kudryavtsev, A K Kuonen, K Kurek, T Kvaratskheliya, D Lacarrere, G Lafferty, A Lai, G Lanfranchi, C Langenbruch, T Latham, C Lazzeroni, R Le Gac, J van Leerdam, A Leflat, J Lefrançois, R Lefèvre, F Lemaitre, E Lemos Cid, O Leroy, T Lesiak, B Leverington, T Li, Y Li, T Likhomanenko, R Lindner, C Linn, F Lionetto, X Liu, D Loh, I Longstaff, J H Lopes, D Lucchesi, M Lucio Martinez, H Luo, A Lupato, E Luppi, O Lupton, A Lusiani, X Lyu, F Machefert, F Maciuc, O Maev, K Maguire, S Malde, A Malinin, T Maltsev, G Manca, G Mancinelli, P Manning, J Maratas, J F Marchand, U Marconi, C Marin Benito, M Marinangeli, P Marino, J Marks, G Martellotti, M Martin, M Martinelli, D Martinez Santos, F Martinez Vidal, D Martins Tostes, L M Massacrier, A Massafferri, R Matev, A Mathad, Z Mathe, C Matteuzzi, A Mauri, E Maurice, B Maurin, A Mazurov, M McCann, A McNab, R McNulty, B Meadows, F Meier, M Meissner, D Melnychuk, M Merk, A Merli, E Michielin, D A Milanes, M-N Minard, D S Mitzel, A Mogini, J Molina Rodriguez, I A Monroy, S Monteil, M Morandin, P Morawski, A Mordà, M J Morello, O Morgunova, J Moron, A B Morris, R Mountain, F Muheim, M Mulder, M Mussini, D Müller, J Müller, K Müller, V Müller, P Naik, T Nakada, R Nandakumar, A Nandi, I Nasteva, M Needham, N Neri, S Neubert, N Neufeld, M Neuner, T D Nguyen, C Nguyen-Mau, S Nieswand, R Niet, N Nikitin, T Nikodem, A Nogay, A Novoselov, D P O'Hanlon, A Oblakowska-Mucha, V Obraztsov, S Ogilvy, O Okhrimenko, R Oldeman, C J G Onderwater, J M Otalora Goicochea, A Otto, P Owen, A Oyanguren, P R Pais, A Palano, M Palutan, A Papanestis, M Pappagallo, L L Pappalardo, W Parker, C Parkes, G Passaleva, A Pastore, G D Patel, M Patel, C Patrignani, A Pearce, A Pellegrino, G Penso, M Pepe Altarelli, S Perazzini, P Perret, L Pescatore, K Petridis, A Petrolini, A Petrov, M Petruzzo, E Picatoste Olloqui, B Pietrzyk, M Pikies, D Pinci, A Pistone, A Piucci, V Placinta, S Playfer, M Plo Casasus, T Poikela, F Polci, A Poluektov, I Polyakov, E Polycarpo, G J Pomery, S Ponce, A Popov, D Popov, B Popovici, S Poslavskii, C Potterat, E Price, J D Price, J Prisciandaro, A Pritchard, C Prouve, V Pugatch, A Puig Navarro, G Punzi, W Qian, R Quagliani, B Rachwal, J H Rademacker, M Rama, M Ramos Pernas, M S Rangel, I Raniuk, F Ratnikov, G Raven, F Redi, S Reichert, A C Dos Reis, C Remon Alepuz, V Renaudin, S Ricciardi, S Richards, M Rihl, K Rinnert, V Rives Molina, P Robbe, A B Rodrigues, E Rodrigues, J A Rodriguez Lopez, P Rodriguez Perez, A Rogozhnikov, S Roiser, A Rollings, V Romanovskiy, A Romero Vidal, J W Ronayne, M Rotondo, M S Rudolph, T Ruf, P Ruiz Valls, J J Saborido Silva, E Sadykhov, N Sagidova, B Saitta, V Salustino Guimaraes, D Sanchez Gonzalo, C Sanchez Mayordomo, B Sanmartin Sedes, R Santacesaria, C Santamarina Rios, M Santimaria, E Santovetti, A Sarti, C Satriano, A Satta, D M Saunders, D Savrina, S Schael, M Schellenberg, M Schiller, H Schindler, M Schlupp, M Schmelling, T Schmelzer, B Schmidt, O Schneider, A Schopper, H F Schreiner, K Schubert, M Schubiger, M-H Schune, R Schwemmer, B Sciascia, A Sciubba, A Semennikov, A Sergi, N Serra, J Serrano, L Sestini, P Seyfert, M Shapkin, I Shapoval, Y Shcheglov, T Shears, L Shekhtman, V Shevchenko, B G Siddi, R Silva Coutinho, L Silva de Oliveira, G Simi, S Simone, M Sirendi, N Skidmore, T Skwarnicki, E Smith, I T Smith, J Smith, M Smith, L Soares Lavra, M D Sokoloff, F J P Soler, B Souza De Paula, B Spaan, P Spradlin, S Sridharan, F Stagni, M Stahl, S Stahl, P Stefko, S Stefkova, O Steinkamp, S Stemmle, O Stenyakin, H Stevens, S Stevenson, S Stoica, S Stone, B Storaci, S Stracka, M E Stramaglia, M Straticiuc, U Straumann, L Sun, W Sutcliffe, K Swientek, V Syropoulos, M Szczekowski, T Szumlak, S T'Jampens, A Tayduganov, T Tekampe, G Tellarini, F Teubert, E Thomas, J van Tilburg, M J Tilley, V Tisserand, M Tobin, S Tolk, L Tomassetti, D Tonelli, S Topp-Joergensen, F Toriello, E Tournefier, S Tourneur, K Trabelsi, M Traill, M T Tran, M Tresch, A Trisovic, A Tsaregorodtsev, P Tsopelas, A Tully, N Tuning, A Ukleja, A Ustyuzhanin, U Uwer, C Vacca, V Vagnoni, A Valassi, S Valat, G Valenti, R Vazquez Gomez, P Vazquez Regueiro, S Vecchi, M van Veghel, J J Velthuis, M Veltri, G Veneziano, A Venkateswaran, M Vernet, M Vesterinen, J V Viana Barbosa, B Viaud, D Vieira, M Vieites Diaz, H Viemann, X Vilasis-Cardona, M Vitti, V Volkov, A Vollhardt, B Voneki, A Vorobyev, V Vorobyev, C Voß, J A de Vries, C Vázquez Sierra, R Waldi, C Wallace, R Wallace, J Walsh, J Wang, D R Ward, H M Wark, N K Watson, D Websdale, A Weiden, M Whitehead, J Wicht, G Wilkinson, M Wilkinson, M Williams, M P Williams, M Williams, T Williams, F F Wilson, J Wimberley, J Wishahi, W Wislicki, M Witek, G Wormser, S A Wotton, K Wraight, K Wyllie, Y Xie, Z Xing, Z Xu, Z Yang, Y Yao, H Yin, J Yu, X Yuan, O Yushchenko, K A Zarebski, M Zavertyaev, L Zhang, Y Zhang, Y Zhang, A Zhelezov, Y Zheng, X Zhu, V Zhukov, S Zucchelli
The production of J/ψ mesons in jets is studied in the forward region of proton-proton collisions using data collected with the LHCb detector at a center-of-mass energy of 13 TeV. The fraction of the jet transverse momentum carried by the J/ψ meson, z(J/ψ)≡p_{T}(J/ψ)/p_{T}(jet), is measured using jets with p_{T}(jet)>20  GeV in the pseudorapidity range 2.5<η(jet)<4.0. The observed z(J/ψ) distribution for J/ψ mesons produced in b-hadron decays is consistent with expectations. However, the results for prompt J/ψ production do not agree with predictions based on fixed-order nonrelativistic QCD...
May 12, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28546898/treatment-of-fly-ash-from-power-plants-using-thermal-plasma
#13
Sulaiman Al-Mayman, Ibrahim AlShunaifi, Abdullah Albeladi, Imed Ghiloufi, Saud Binjuwair
Fly ash from power plants is very toxic because it contains heavy metals. In this study fly ash was treated with a thermal plasma. Before their treatment, the fly ash was analyzed by many technics such as X-ray fluorescence, CHN elemental analysis, inductively coupled plasma atomic emission spectroscopy and scanning electron microscopy. With these technics, the composition, the chemical and physical proprieties of fly ash are determined. The results obtained by these analysis show that fly ash is mainly composed of carbon, and it contains also sulfur and metals such as V, Ca, Mg, Na, Fe, Ni, and Rh...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/28545438/investigation-of-antioxidant-antimicrobial-and-toxicity-activities-of-lichens-from-high-altitude-regions-of-nepal
#14
Baidya Nath Jha, Mitesh Shrestha, Durga Prasad Pandey, Tribikram Bhattarai, Hari Datta Bhattarai, Babita Paudel
BACKGROUND: Several lichen species are reported to be used tradiationally in many theraupatic practices. Many lichen species are reported as sources of several bioactive natural compounds. Several lichen species of Nepal are so far chemically unexplored. METHODS: The morphological, anatomical and phytochemical characteristics of lichens were compared for the taxonomic identification of the species. Methanol- water extract of lichens were sub fractionated into hexane, dichloromethane and methanol fractions for bioactivity assays...
May 25, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28545330/carbon-isotopic-signature-reveals-the-geographical-trend-in-methane-consumption-and-production-pathways-in-alpine-ecosystems-over-the-qinghai-tibetan-plateau
#15
Tomomichi Kato, Keita Yamada, Yanhong Tang, Naohiro Yoshida, Eitaro Wada
On the Qinghai-Tibetan Plateau, isotopic signatures in soil-atmosphere CH4 fluxes were investigated in nine grasslands and three wetlands. In the grasslands, the fractionation factor for soil CH4 uptake, αsoil, was much smaller than the usually reported value of 0.9975-1.0095. Stepwise multiple variation analysis indicates that αsoil is higher for higher soil water contents but is lower for higher C/N ratios of soil surface biomass. In the three wetlands, the soil-emitted δ(13)C-CH4 was similar (-55.3 ± 5...
May 25, 2017: Isotopes in Environmental and Health Studies
https://www.readbyqxmd.com/read/28545215/fertilizer-performance-of-liquid-fraction-of-digestate-as-synthetic-nitrogen-substitute-in-silage-maize-cultivation-for-three-consecutive-years
#16
I Sigurnjak, C Vaneeckhaute, E Michels, B Ryckaert, G Ghekiere, F M G Tack, E Meers
Following changes over recent years in fertilizer legislative framework throughout Europe, phosphorus (P) is taking over the role of being the limiting factor in fertilizer application rate of animal manure. This results in less placement area for spreading animal manure. As a consequence, more expensive and energy demanding synthetic fertilizers are required to meet crop nutrient requirements despite existing manure surpluses. Anaerobic digestion followed by mechanical separation of raw digestate, results in liquid fraction (LF) of digestate, a product poor in P but rich in nitrogen (N) and potassium (K)...
May 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28545210/response-of-microcystis-aeruginosa-bccusp-232-to-barley-hordeum-vulgare-l-straw-degradation-extract-and-fractions
#17
Gustavo Franciscatti Mecina, Anne Lígia Dokkedal, Luiz Leonardo Saldanha, Mathias Ahii Chia, Micheline Kézia Cordeiro-Araújo, Maria do Carmo Bittencourt-Oliveira, Regildo Márcio Gonçalves da Silva
The eutrophication of aquatic ecosystems is a serious environmental problem that leads to increased frequency of cyanobacterial blooms and concentrations of cyanotoxins. These changes in aquatic chemistry can negatively affect animal and human health. Environment-friendly methods are needed to control bloom forming cyanobacteria. We investigated the effect of Hordeum vulgare L. (barley) straw degradation extract and its fractions on the growth, oxidative stress, antioxidant enzyme activities, and microcystins content of Microcystis aeruginosa (Kützing) Kützing BCCUSP232...
May 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28545205/organic-composition-and-multiphase-stable-isotope-analysis-of-active-degrading-and-restored-blanket-bog
#18
Laura McAnallen, Rory Doherty, Neil Ogle
Here we used organic composition and stable isotopic analysis to evaluate the effects of drainage and restoration at an ombrotrophic peatland, to assess whether rewetting of blanket bogs will reverse degradation. The organic composition of the peat and the isotopic fractionation between the solid (peat), liquid (pore water) and gas (soil gas) phases on actively accumulating, degrading and restored locations are compared. Fourier Transform Infrared Spectroscopy (FTIR) analysis of the organic material has shown a high level of humification (low decomposition) in the active peat...
May 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28544640/an-in%C3%A2-vitro-model-demonstrates-the-potential-of-neoplastic-human-germ-cells-to-influence-the-tumour-microenvironment
#19
B Klein, H-C Schuppe, M Bergmann, M P Hedger, B E Loveland, K L Loveland
Testicular germ cell tumours (TGCT) typically contain high numbers of infiltrating immune cells, yet the functional nature and consequences of interactions between GCNIS (germ cell neoplasia in situ) or seminoma cells and immune cells remain unknown. A co-culture model using the seminoma-derived TCam-2 cell line and peripheral blood mononuclear cells (PBMC, n = 7 healthy donors) was established to investigate how tumour and immune cells each contribute to the cytokine microenvironment associated with TGCT...
May 23, 2017: Andrology
https://www.readbyqxmd.com/read/28544164/rapid-production-of-high-purity-hydrogen-fuel-through-microwave-promoted-deep-catalytic-dehydrogenation-of-liquid-alkanes-with-abundant-metals
#20
Xiangyu Jie, Sergio Gonzalez-Cortes, Tiancun Xiao, Jiale Wang, Benzhen Yao, Daniel R Slocombe, Hamid A Al-Megren, Jonathan R Dilworth, John M Thomas, Peter P Edwards
Hydrogen as an energy carrier promises a sustainable energy revolution. However, one of the greatest challenges for any future hydrogen economy is the necessity for large scale hydrogen production not involving concurrent CO2 production. The high intrinsic hydrogen content of liquid-range alkane hydrocarbons (including diesel) offers a potential route to CO2 -free hydrogen production through their catalytic deep dehydrogenation. We report here a means of rapidly liberating high-purity hydrogen by microwave-promoted catalytic dehydrogenation of liquid alkanes using Fe and Ni particles supported on silicon carbide...
May 23, 2017: Angewandte Chemie
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