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| 1 | Contrasting sorption behaviours affecting groundwater arsenic concentration in Kandal Province,Cambodia显示文摘Natural arsenic (As) contamination of groundwater which provides drinking water and/or irrigation supplies remains a major public health issue,particularly in South and Southeast Asia.A number of studies have evaluated various aspects of the biogeochemical controls on As mobilization in aquifers typical to this region,however many are predicated on the assumption that key biogeochemical processes may be deduced by sampled water chemistry.The validity of this assumption has not been clearly established even though the role of sorption/desorption of As and other heavy metals onto Fe/Mn (hydr) oxides is an important control in As mobilization.Here,selective chemical extractions of sand-rich and clay-rich sediments from an As-affected aquifer in Kandal Province,Cambodia,were undertaken to explore the potential role of partial re-equilibrium through sorption/desorption reactions of As and related solutes (Fe,Mn and P) between groundwater and the associated solid aquifer matrix.In general,groundwater As is strongly affected by both pH and Eh throughout the study area.However,contrasting sorption behaviour is observed in two distinct sand-dominated (T-Sand) and clay dominated (T-Clay) transects,and plausibly attributed to differing dominant lithologies,biogeochemical and/or hydrogeological conditions.Sorption/desorption processes appear to be re-setting groundwater As concentrations in both transects,but to varying extents and in different ways.In T-Sand,which is typically highly reducing,correlations suggest that dissolved As may be sequestered by sorption/re-adsorption to Fe-bearing mineral phases and/or sedimentary organic matter;in T-Clay Eh is a major control on As mobilization although binding/occlusion of Fe-bearing minerals to sedimentary organic matter may also occur.Multiple linear regression analysis was conducted with groups categorised by transect and by Eh,and the output correlations support the contrasting sorption behaviours encountered in this study area.Irrespective of transect,however,the key biogeochemical processes which initially control As mobilization in such aquifers,may be “masked” by the re-setting of As concentrations through in-aquifer sorption/desorption processes. | Laura A. Richards Maria J. Casanueva-Marenco Daniel Magnone Chansopheaktra Sovann Bart E. van Dongen David A. Polya | 2019 | Geoscience Frontiers2019，10，5： | 2 |
| 2 | Abscisic acid released by human monocytes activates monocytes and vascular smooth muscle cell responses involved in atherogenesis显示文摘 | MAGNONE M BRUZZONE S GUIDA L | 2009 | J Biol Chem2009，284，17： | 1 |
| 3 | Easy and fast detection and genotyping of high-risk human papillomavirus by dedicated DNA Microarrays显示文摘 | Albrecht V Chevallier A Magnone V | 2006 | Journal of Virological Methods2006，137，2： | 1 |
| 4 | Transposition of the thyroid iodide uptake and organification system in nonthyroid tumor cells by adenoviral vector-mediated gene transfers显示文摘 | Boland A Magnon C Filetti S | 2002 | Thyroid2002，12，1： | 1 |
| 5 | Autonomic nerve development contributes to prostate cancer progression 显示文摘 | Magnon C Hall SJ Lin J | 2013 | Science2013，341，12： | 1 |
| 6 | Transposition of the thyr- oid iodide uptake and organification system in nonthyroid tum- or cells by adenoviral vector-mediated gene transfers显示文摘 | Boland A Magnon C Filetti S | 2002 | Thy- roid2002，12，1： | 1 |
| 7 | Full modeland characterization of noise in operational amplifier显示文摘 | Crupi Felice Pace Calogero Magnone Paolo | 2009 | IEEE Circuits and Systems Society2009，56，1： | 1 |
| 8 | Autonomic nerve development contributes to prostate cancer progression 显示文摘 | Magnon C Hall SJ Lin J | 2013 | Science2013，341，12： | 1 |
| 9 | Dynamic assessment of antiangiogenic therapy by monitoring both tumoral vasculariza- tion and tissue degeneration显示文摘 | Magnon C Galaup A Rouffiac V | 2007 | Gene Ther2007，14，2： | 1 |
| 10 | 显示文摘 | Bocca C Cerisola G Magnone E | 1999 | Int J Hydrogen Energy1999，24，： | 1 |
| 11 | Laparoscopic versus open appendectomy in acute appendicitis:a randomized prospective study显示文摘 | Olmi S Magnone S Bertolini A | 2005 | Surg Endosc2005，19，9： | 1 |
| 12 | TWIK-2, an Inactivating 2P Domain K+ Channel显示文摘 | Patel AJ Maingret F Magnone V | 2000 | J Biol Chem(S0021 - 9258)2000，275，28： | 1 |
| 13 | Laparoscopic versus open appendectomy in aetue appendicitis: A randomized prospective study 显示文摘 | Olmi S Magnones Bertollni A | 2005 | Surg endose2005，19，1： | 1 |
| 14 | Results of laparoscopic versus open abdominal and incisional hernia repair显示文摘 | Olmi S Magnone S Erba L | 2005 | JSLS2005，9，2： | 1 |
| 15 | Autonomic nerve development contributes to prostate cancer progression 显示文摘 | Magnon C Hall SJ Lin J | 2013 | Science2013，341，12： | 1 |
| 16 | Transposition of the thyroid iodide uptake and organification system in nonthyroid tumor cells by adenoviral vector-mediated gene transfers显示文摘 | Boland A Magnon C Filetti S | 2002 | Thyroid2002，12，1： | 1 |
| 17 | Transposition of the thyroid iodide uptake and organification system in nonthyroid tumor cells by adenoviral vector-mediated gene transfers显示文摘 | Boland A Magnon C Filetti S | 2002 | Thyroid2002，，： | 1 |
| 18 | Relationship between microstructure and hydrogen permeation properties in the multiphase Ni21Ti2a Nbss alloy membranes显示文摘 | Magnone E Jeon S I Park J H | 2011 | J Membr Sci2011，384，： | 1 |
| 19 | Easy and fast detection and genotyping of high-risk human papillomavirus by dedicated DNA microarrays 显示文摘 | Albrecht V Chevallier A Magnone V | 2006 | J Virol Methods2006，137，2： | 1 |
| 20 | Transposition of the thyroid iodide uptake and organification system in nonthyroid tumor cells by adenoviral vector-mediated gene transfers 显示文摘 | Boland A Magnon C Filetti S | 2002 | Thyroid2002，12，1： | 1 |
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