Browsing Natural and Agricultural Sciences by Title

Browsing Natural and Agricultural Sciences by Title

Sort by: Order: Results:

  • Oxygen reduction reaction at MWCNT-modified nanoscale iron(II) tetrasulfophthalocyanine: remarkable performance over platinum and tolerance toward methanol in alkaline medium 
    Fashedemi, Omobosede O.; Ozoemena, Kenneth I. (Royal Society of Chemistry, 2015-02)
    A nanoscale iron(II) tetrasulfophthalocyanine (nanoFeTSPc) catalyst obtained by co-ordinating with hexadecyltrimethylammonium bromide and subsequently anchored onto multi-walled carbon nanotubes (MWCNTs) for oxygen ...
  • Oxygen types that damage crops in extreme weather conditions 
    Reinhardt, Carl Frederick (Charlie) (Plaas Publishing, 2020)
    Oxygen is best known as a life-giving gas without which life as we know it, would not be possible. Apart from the oxygen (O2) humans and animals inhale when they breathe and that which plants release during ...
  • Ozone variability and trend estimates from 20-years of ground-based and satellite observations at Irene station, South Africa 
    Bencherif, Hassan; Toihir, Abdoulwahab M.; Mbatha, Nkanyiso; Sivakumar, Venkataraman; Du Preez, David Jean; Bègue, Nelson; Coetzee, Gerrie (MDPI, 2020-11)
    While the stratospheric ozone protects the biosphere against ultraviolet (UV) radiation, tropospheric ozone acts like a greenhouse gas and an indicator of anthropogenic pollution. In this paper, we combined ground-based ...
  • Ozone-related acute excess mortality projected to increase in the absence of climate and air quality controls consistent with the Paris Agreement 
    Domingo, Nina G.G.; Fiore, Arlene M.; Lamarque, Jean-Francois; Kinney, Patrick L.; Jiang, Leiwen; Gasparrini, Antonio; Breitner, Susanne; Lavigne, Eric; Madureira, Joana; Masselot, Pierre; Da Silva, Susana das Neves Pereira; Sheng Ng, Chris Fook; Kyselý, Jan; Guo, Yuming; Tong, Shilu; Kan, Haidong; Urban, Aleš; Orru, Hans; Maasikmets, Marek; Pascal, Mathilde; Katsouyanni, Klea; Samoli, Evangelia; Scortichini, Matteo; Stafoggia, Massimo; Hashizume, Masahiro; Alahmad, Barrak; Diaz, Magali Hurtado; De la Cruz Valencia, César; Scovronick, Noah; Garland, Rebecca M.; Kim, Ho; Lee, Whanhee; Tobias, Aurelio; Íñiguez, Carmen; Forsberg, Bertil; Åström, Christofer; Ragettli, Martina S.; Guo, Yue Leon; Pan, Shih-Chun; Colistro, Valentina; Bell, Michelle L.; Zanobetti, Antonella; Schwartz, Joel; Schneider, Alexandra; Vicedo-Cabrera, Ana M.; Chen, Kai (Cell Press, 2024-02)
    Short-term exposure to ground-level ozone in cities is associated with increased mortality and is expected to worsen with climate and emission changes. However, no study has yet comprehensively assessed future ozone-related ...
  • P-T estimates of peak Bushveld metamorphism in the eastern Bushveld complex, Limpopo Province, South Africa : constraints from P-T pseudosections 
    Raubenheimer, Denni (University of Pretoria, 2012-11-22)
    The Bushveld Igneous Complex (BIC) is the largest layered mafic intrusion in the world and contains the largest known deposits of vanadium, chromium and Platinum group elements on the planet, as well as large deposits of ...
  • P3HT:PCBM/nickel-aluminum layered double hydroxide-graphene foam composites for supercapacitor electrodes 
    Momodu, Damilola Y.; Bello, Abdulhakeem; Dangbegnon, Julien K.; Barzegar, Farshad; Fabiane, Mopeli; Manyala, Ncholu I. (Springer, 2015-02)
    In this paper, a simple dip-coating technique is used to deposit a P3HT:PCBM/Nickel Aluminum layered double hydroxide-graphene foam (NiAl-LDH-GF) composite onto a nickel foam (NF) serving as a current collector. A ...
  • Packing polymorphism of dicarbonyl-[2-(phenylamino)pent-3-en-4-onato]rhodium(I) 
    Ferreira, Hendrik; Conradie, Marrigje Marianne; Van Rooyen, Petrus H.; Conradie, Jeanet (Elsevier, 2017-11)
    Depending on the crystallization conditions, the interaction between the rhodium metal centres of the separate [Rh(CH3COCHCN(Ph)CH3)(CO)2] molecular units, as described by the interplanar separation and lateral shift of ...
  • A palaeoenvironmental analysis of the Molteno formation in the Natal Drakensberg 
    Eriksson, Patrick George (Geological Society of South Africa, 1984-09)
    The Upper Triassic Molteno Formation of the Natal Drakensberg forms part of the upper Karoo Sequence. It rests with an erosional base on the Beaufort Group and has a gradational upper contact with the Elliot Formation. Four ...
  • Palaeoenvironmental and palaeoclimatic reconstruction of the Witbank coal deposits (Karoo Basin South Africa) 
    Wheeler, Alex Thomas (University of Pretoria, 2015)
    Coal deposits serve as important archives of palaeoclimate change. Palynomorph assemblages reflect the composition of the parent plant communities which are in turn controlled by the local environment and regional climate. ...
  • Palaeoseismicity in relation to basin tectonics as revealed from soft-sediment deformation structures of the Lower Triassic Panchet formation, Raniganj basin (Damodar valley), eastern India 
    Kundu, Abhik; Goswami, Bapi; Eriksson, Patrick George; Chakraborty, Abhijit (Indian Academy of Sciences, 2011-02)
    The Raniganj basin in the Damodar valley of eastern India is located within the riftogenic Gondwana Master-Basin. The fluvio-lacustrine deposits of the Lower Triassic Panchet formation of the Damodar valley in the study ...
  • PALB2, CHEK2 and ATM rare variants and cancer risk: data from COGS 
    Southey, Melissa C.; Goldgar, David E.; Winqvist, Robert; Pylkas, Katri; Couch, Fergus; Tischkowitz, Marc; Foulkes, William D.; Dennis, Joe; Michailidou, Kyriaki; Jansen van Rensburg, Elizabeth; Heikkinen, Tuomas; Nevanlinna, Heli; Hopper, John L.; Dork, Thilo; Claes, Kathleen B.M.; Reis-Filho, Jorge; Teo, Zhi Ling; Radice, Paolo; Catucci, Irene; Peterlongo, Paolo; Tsimiklis, Helen; Odefrey, Fabrice A.; Dowty, James G.; Schmidt, Marjanka K.; Broeks, Annegien; Hogervorst, Frans B.; Verhoef, Senno; Carpenter, Jane; Clarke, Christine; Scott, Rodney J.; Fasching, Peter A.; Haeberle, Lothar; Ekici, Arif B.; Beckmann, Matthias W.; Peto, Julian; Dos-Santos-Silva, Isabel; Fletcher, Olivia; Johnson, Nichola; Bolla, Manjeet K.; Sawyer, Elinor J.; Tomlinson, Ian; Kerin, Michael J.; Miller, Nicola; Marme, Federik; Burwinkel, Barbara; Yang, Rongxi; Guenel, Pascal; Truong, Therese; Menegaux, Florence; Sanchez, Marie; Bojesen, Stig E.; Nielsen, Sune F.; Flyger, Henrik; Benitez, Javier; Zamora, M. Pilar; Perez, Jose Ignacio Arias; Menendez, Primitiva; Anton-Culver, Hoda; Neuhausen, Susan; Ziogas, Argyrios; Clarke, Christina A.; Brenner, Hermann; Arndt, Volker; Stegmaier, Christa; Brauch, Hiltrud; Bruning, Thomas; Ko, Yon-Dschun; Muranen, Taru A.; Aittomaki, Kristiina; Blomqvist, Carl; Bogdanova, Natalia V.; Antonenkova, Natalia N.; Lindblom, Annika; Margolin, Sara; Mannermaa, Arto; Kataja, Vesa; Kosma, Veli-Matti; Hartikainen, Jaana M.; Spurdle, Amanda B.; kConFab Investigators; Australian Ovarian Cancer Study Group; Wauters, Els; Smeets, Dominiek; Beuselinck, Benoit; Floris, Giuseppe; Chang-Claude, Jenny; Rudolph, Anja; Seibold, Petra; Flesch-Janys, Dieter; Olson, Janet E.; Vachon, Celine; Pankratz, Vernon S.; McLean, Catriona; Haiman, Christopher A.; Henderson, Brian E.; Schumacher, Fredrick; Marchand, Loic Le; Kristensen, Vessela; Alnæs, Grethe Grenaker; Zheng, Wei; Hunter, David J.; Lindstrom, Sara; Hankinson, Susan E.; Kraft, Peter; Andrulis, Irene; Knight, Julia A.; Glendon, Gord; Mulligan, Anna Marie; Jukkola-Vuorinen, Arja; Grip, Mervi; Kauppila, Saila; Devilee, Peter; Tollenaar, Robert A.E.M.; Seynaeve, Caroline; Hollestelle, Antoinette; Garcia-Closas, Montserrat; Figueroa, Jonine; Chanock, Stephen J.; Lissowska, Jolanta; Czene, Kamila; Darabi, Hatef; Eriksson, Mikael; Eccles, Diana M.; Rafiq, Sajjad; Tapper, William J.; Gerty, Sue M.; Martens, John W.M.; Collee, J. Margriet; Tilanus-Linthorst, Madeleine; Hall, Per; Li, Jingmei; Brand, Judith S.; Humphreys, Keith; Cox, Angela; Reed, Malcolm W.R.; Luccarini, Craig; Baynes, Caroline; Dunning, Alison M.; Hamann, Ute; Torres, Diana; Ulmer, Hans Ulrich; Rudiger, Thomas; Lubinski, Jan; Jaworska, Katarzyna; Durda, Katarzyna; Slager, Susan; Toland, Amanda E.; Ambrosone, Christine B.; Yannoukakos, Drakoulis; Swerdlow, Anthony; Ashworth, Alan; Orr, Nick; Jones, Michael; Gonzalez-Neira, Anna; Pita, Guillermo; Alonso, M. Rosario; Alvarez, Nuria; Herrero, Daniel; Tessier, Daniel C.; Vincent, Daniel; Bacot, Francois; Simard, Jacques; Dumont, Martine; Soucy, Penny; Eeles, Rosalind; Muir, Kenneth; Wiklund, Fredrik; Gronberg, Henrik; Schleutker, Johanna; Nordestgaard, Børge G.; Weischer, Maren; Travis, Ruth C.; Neal, David; Donovan, Jenny L.; Hamdy, Freddie C.; Khaw, Kay-Tee; Stanford, Janet L.; Blot, William J.; Thibodeau, Stephen; Schaid, Daniel J.; Kelley, Joseph L.; Maier, Christiane; Kibel, Adam S.; Cybulski, Cezary; Cannon-Albright, Lisa; Butterbach, Katja; Park, Jong; Kaneva, Radka; Batra, Jyotsna; Teixeira, Manuel R.; Kote-Jarai, Zsofia; Al Olama, Ali Amin; Benlloch, Sara; Renner, Stefan P.; Hartmann, Arndt; Hein, Alexander; Ruebner, Matthias; Lambrechts, Diether; Van Nieuwenhuysen, Els; Vergote, Ignace; Lambretchs, Sandrina; Doherty, Jennifer A.; Rossing, Mary Anne; Nickels, Stefan; Eilber, Ursula; Wang-Gohrke, Shan; Odunsi, Kunle; Sucheston-Campbell, Lara E.; Friel, Grace; Lurie, Galina; Killeen, Jeffrey L.; Wilkens, Lynne R.; Goodman, Marc T.; Runnebaum, Ingo; Hillemanns, Peter A.; Pelttari, Liisa M.; Butzow, Ralf; Modugno, Francesmary; Edwards, Robert P.; Ness, Roberta B.; Moysich, Kirsten B.; Du Bois, Andreas; Heitz, Florian; Harter, Philipp; Kommoss, Stefan; Karlan, Beth Y.; Walsh, Christine; Lester, Jenny; Jensen, Allan; Kruger Kjaer, Susanne; Hogdall, Estrid; Peissel, Bernard; Bonanni, Bernardo; Bernard, Loris; Goode, Ellen L.; Fridley, Brooke L.; Vierkant, Robert A.; Cunningham, Julie M.; Larson, Melissa C.; Fogarty, Zachary C.; Kalli, Kimberly R.; Liang, Dong; Lu, Karen H.; Hildebrandt, Michelle A.T.; Wu, Xifeng; Levine, Douglas A.; Dao, Fanny; Bisogna, Maria; Berchuck, Andrew; Iversen, Edwin S.; Marks, Jeffrey R.; Akushevich, Lucy; Cramer, Daniel W.; Schildkraut, Joellen; Terry, Kathryn L.; Poole, Elizabeth M.; Stampfer, Meir; Tworoger, Shelley S.; Bandera, Elisa V.; Orlow, Irene; Olson, Sara H.; Bjorge, Line; Salvesen, Helga B.; Van Altena, Anne M.; Aben, Katja K.H.; Kiemeney, Lambertus A.; Massuger, Leon F.A.G.; Pejovic, Tanja; Bean, Yukie; Brooks-Wilson, Angela; Kelemen, Linda E.; Cook, Linda S.; Le, Nhu D.; Gorski, Bohdan; Gronwald, Jacek; Menkiszak, Janusz; Hogdall, Claus K.; Lundvall, Lene; Nedergaard, Lotte; Engelholm, Svend Aage; Dicks, Ed; Tyrer, Jonathan; Campbell, Ian; McNeish, Iain; Paul, James; Siddiqui, Nadeem; Glasspool, Rosalind; Whittemore, Alice S.; Rothstein, Joseph H.; McGuire, Valerie; Sieh, Weiva; Cai, Hui; Shu, Xiao-Ou; Teten, Rachel T.; Sutphen, Rebecca; McLaughlin, John R.; Narod, Steven A.; Phelan, Catherine M.; Monteiro, Alvaro N.; Fenstermacher, David; Lin, Hui-Yi; Permuth, Jennifer B.; Sellers, Thomas A.; Chen, Y. Ann; Tsai, Ya-Yu; Chen, Zhihua; Gentry-Maharaj, Aleksandra; Gayther, Simon A.; Ramus, Susan J.; Menon, Usha; Wu, Anna H.; Pearce, Celeste L.; Van Den Berg, David; Pike, Malcolm C.; Dansonka-Mieszkowska, Agnieszka; Plisiecka-Halasa, Joanna; Moes-Sosnowska, Joanna; Kupryjanczyk, Jolanta; Pharoah, Paul D.P.; Song, Honglin; Winship, Ingrid; Chenevix-Trench, Georgia; Giles, Graham G.; Tavtigian, Sean V.; Easton, Doug F.; Milne, Roger L. (Elsevier, 2016-09-05)
    BACKGROUND The rarity of mutations in PALB2, CHEK2 and ATM make it difficult to estimate precisely associated cancer risks. Population-based family studies have provided evidence that at least some of these mutations ...
  • The Paleocene Hangu formation : a key to unlocking the mysteries of Paleo-Tethys tectonism 
    Bilal, Ahmer; Yang, Renchao; Lenhardt, Nils; Han, Zuozhen; Luan, Xiwu (Elsevier, 2023-11)
    The sedimentary rocks of the Paleocene Hangu Formation in the Yadgaar Section of the Upper Indus Basin in northern Pakistan, have been the subject of an integrated field, petrographical, and sedimentological investigation. ...
  • Paleocurrent direction measurements in a volcanic setting by means of anisotropy of magnetic susceptibility : a case study from the lower Miocene Tepoztlán Formation (Transmexican Volcanic Belt, Central Mexico) 
    Lenhardt, Nils; Böhnel, Harald; Hinderer, Matthias; Hornung, Jens (Elsevier, 2013-05)
    Sources of ancient volcanic rocks are often unknown if they are either eroded and/or covered by younger deposits. This problem, as well as the provenance of reworked volcaniclastic, fluvial and mass-flow deposits, can ...
  • Paleogene radiation of a plant pathogenic mushroom 
    Coetzee, Martin Petrus Albertus; Bloomer, Paulette; Wingfield, Michael J.; Wingfield, Brenda D.; Carter, Dee A. (Public Library of Science, 2011-12-28)
    BACKGROUND: The global movement and speciation of fungal plant pathogens is important, especially because of the economic losses they cause and the ease with which they are able to spread across large areas. Understanding ...
  • A paleomagnetic study of selected formations in the Waterberg Group, South Africa. 
    Mare, Leonie Pauline (University of Pretoria, 2006-05-05)
    A palaeomagnetic study of the Waterberg Group (Jones and McElhinny, 1967) did not find a consistent direction. However, a pattern was identified and interpreted in terms of apparent polar wander during the deposition and ...
  • The Paleoproterozoic Waterberg Group, South Africa : provenance and its relation to the timing of the Limpopo orogeny 
    Corcoran, Patricia L.; Bumby, Adam John; Davis, D.W. (Elsevier, 2013)
    Four Paleoproterozoic formations of the Waterberg Group in South Africa are composed of coarse clastic detritus derived from erosion of the Limpopo Belt. Timing of the Limpopo orogeny, an event involving the collision ...
  • PALM and STORM : unlocking live-cell super-resolution 
    Henriques, Ricardo; Griffiths, Caron; Rego, E. Hesper; Mhlanga, Musa M. (Wiley, 2011-05)
    Live-cell fluorescence light microscopy has emerged as an important tool in the study of cellular biology. The development of fluorescent markers in parallel with super-resolution imaging systems has pushed light microscopy ...
  • Palmer amaranth : a threat to soya bean production in South Africa 
    Reinhardt, Carl Frederick (Charlie); Vorster, Juan (Plaas Publishing, 2022-03)
    Palmer amaranth is the latest addition to South Africa’s growing list of Amaranthus species (commonly known as pigweed or marog). Some of these Amaranthus species are indigenous to Africa, while others originate from ...
  • Palynofacies of the Lower No 4 Coal Seam (Highveld Coalfield South Africa) 
    Serfontein, Susan (University of Pretoria, 2015)
    A palynofacies study of the lower number 4 coal seam in the Highveld coalfield of the Karoo Basin, South Africa, was conducted to get more insight into the palaeoenvironment. The lower number 4 coal seam was sampled near ...
  • Palynology of the Kazanian stratotype section (Permian, Russia) : palaeoenvironmental and palaeoclimatic implications 
    Götz, Annette E.; Silantiev, Vladimir V. (Springer, 2015-06)
    Palynomorph assemblages reflect changes in land plant communities and are thus significant proxies to interpret palaeoenvironmental and palaeoclimatic changes. The Middle Permian of the East European Platform is crucial ...