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Kadlub N, Dallard J, Kogane N, Galliani E, Boisson J. Mandibular magnetic distractor: Preclinical validation. Br J Oral Maxillofac Surg 2021; 60:767-772. [DOI: 10.1016/j.bjoms.2021.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 11/09/2021] [Indexed: 11/29/2022]
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Rougier G, Boisson J, Thurieau N, Kogane N, Mangione F, Picard A, Dallard J, Cherfa L, Szmytka F, Kadlub N. Sagittal split ramus osteotomy-related biomechanical properties. Br J Oral Maxillofac Surg 2020; 58:975-980. [PMID: 32624266 DOI: 10.1016/j.bjoms.2020.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 05/02/2020] [Indexed: 10/23/2022]
Abstract
Sagittal split ramus osteotomy (SSRO) is one of the most common maxillofacial operations, and the technique relies on a directed fracture involving different biomechanical variables. The aim of this study was to find out the biomechanical characteristics involved during each step of sagittal split osteotomy. We sampled eight fully dentate human mandibles and used the right side for hardness tests and the left side for a traction-to-fracture test within an unfinished SSRO. Right sides were sampled in five parts underlying the corticotomy course and tested with a hardness testing automatic machine. The mean hardness measures ranked to 21.5HV (Hardness Vickers Unit): 17.8HV; 27.4HV; 22.7HV; 28.7HV; for the lingual, diagonal, vestibular, full ramus, and full body samples, respectively. Left sides were cut using Epker's technique, and split with an electromechanical testing machine. The higher values reached before fracture in the traction-to-fracture tests ranked to 99.1N/6.7mm; 137.2N/10.8mm; 36.2N/4.2mm; 93.0N/7.3mm; 74.0N/8.1mm; 78.1N/4.5mm; 90.9N/10.6mm; and 64.7N/4.1mm, respectively, for specimens I, II, III, IV, V, VI, VII and VIII. This study provides to our knowledge the first biomechanical characteristics of SSRO and proposes a reproducible method for evaluation.
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Affiliation(s)
- G Rougier
- Department of Maxillofacial Surgery and Plastic Surgery, National Reference Center for Cleft Lip and Palate, Hôpital Universitaire Necker-Enfants Malades, Paris, France; IMSIA, ENSTA Paris-Tech, Department of Mechanical Engineering, Palaiseau, France.
| | - J Boisson
- IMSIA, ENSTA Paris-Tech, Department of Mechanical Engineering, Palaiseau, France
| | - N Thurieau
- IMSIA, ENSTA Paris-Tech, Department of Mechanical Engineering, Palaiseau, France
| | - N Kogane
- Department of Maxillofacial Surgery and Plastic Surgery, National Reference Center for Cleft Lip and Palate, Hôpital Universitaire Necker-Enfants Malades, Paris, France; IMSIA, ENSTA Paris-Tech, Department of Mechanical Engineering, Palaiseau, France
| | - F Mangione
- EA 2496 Laboratory Orofacial Pathologies, Imagery and Biotherapies, Dental School and Life imaging Platform (PIV), University Paris Descartes Sorbonne Paris Cité, Montrouge, France
| | - A Picard
- Department of Maxillofacial Surgery and Plastic Surgery, National Reference Center for Cleft Lip and Palate, Hôpital Universitaire Necker-Enfants Malades, Paris, France; University of Paris, Paris, France
| | - J Dallard
- IMSIA, ENSTA Paris-Tech, Department of Mechanical Engineering, Palaiseau, France
| | - L Cherfa
- IMSIA, ENSTA Paris-Tech, Department of Mechanical Engineering, Palaiseau, France
| | - F Szmytka
- IMSIA, ENSTA Paris-Tech, Department of Mechanical Engineering, Palaiseau, France
| | - N Kadlub
- Department of Maxillofacial Surgery and Plastic Surgery, National Reference Center for Cleft Lip and Palate, Hôpital Universitaire Necker-Enfants Malades, Paris, France; University of Paris, Paris, France
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Rougier G, Kogane N, Dallard J, Mangione F, Slimani L, Salmon B, Thurieau N, Cherfa L, Kadlub N, Boisson J, Szmytka F. Biomechanical properties of the human mandibular cadaveric bone related to ramus sagittal osteotomy. Comput Methods Biomech Biomed Engin 2019. [DOI: 10.1080/10255842.2020.1713494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- G. Rougier
- Hôpital Universitaire Necker-Enfants Malades, Paris, France
- Université Paris Descartes-Sorbonne, Paris, France
| | - N. Kogane
- Hôpital Universitaire Necker-Enfants Malades, Paris, France
- Université Paris Descartes-Sorbonne, Paris, France
| | - J. Dallard
- Department of Mechanical Engineering, IMSIA, ENSTA Paris-Tech, Palaiseau, France
| | - F. Mangione
- Orafacial pathologies, Imagery and Biotherapies, University Paris Descartes Sorbonne Paris Cité, Montrouge, France
| | - L. Slimani
- Orafacial pathologies, Imagery and Biotherapies, University Paris Descartes Sorbonne Paris Cité, Montrouge, France
| | - B. Salmon
- Orafacial pathologies, Imagery and Biotherapies, University Paris Descartes Sorbonne Paris Cité, Montrouge, France
| | - N. Thurieau
- Department of Mechanical Engineering, IMSIA, ENSTA Paris-Tech, Palaiseau, France
| | - L. Cherfa
- Department of Mechanical Engineering, IMSIA, ENSTA Paris-Tech, Palaiseau, France
| | - N. Kadlub
- Hôpital Universitaire Necker-Enfants Malades, Paris, France
- Université Paris Descartes-Sorbonne, Paris, France
| | - J. Boisson
- Department of Mechanical Engineering, IMSIA, ENSTA Paris-Tech, Palaiseau, France
| | - F. Szmytka
- Department of Mechanical Engineering, IMSIA, ENSTA Paris-Tech, Palaiseau, France
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Dallard J, Debelmas A, Asiri S, Kogane N, Picard A, Kadlub N, Boisson J. Mechanical properties of the human periosteum in the mandibular ostegenesis context. Comput Methods Biomech Biomed Engin 2019. [DOI: 10.1080/10255842.2020.1713471] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- J. Dallard
- Department of mechanical Engineering, ENSTA Paris-Tech, Palaiseau, France
| | - A. Debelmas
- Unit of Maxillofacial Surgery and Plastic Surgery, APHP, Necker Enfant Malades, Paris, France
- Paris Descartes University, Paris, France
| | - S. Asiri
- Department of mechanical Engineering, ENSTA Paris-Tech, Palaiseau, France
| | - N. Kogane
- Department of mechanical Engineering, ENSTA Paris-Tech, Palaiseau, France
| | - A. Picard
- Unit of Maxillofacial Surgery and Plastic Surgery, APHP, Necker Enfant Malades, Paris, France
- Paris Descartes University, Paris, France
| | - N. Kadlub
- Unit of Maxillofacial Surgery and Plastic Surgery, APHP, Necker Enfant Malades, Paris, France
- Paris Descartes University, Paris, France
| | - J. Boisson
- Department of mechanical Engineering, ENSTA Paris-Tech, Palaiseau, France
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Fernandez-Rojo L, Casiot C, Laroche E, Tardy V, Bruneel O, Delpoux S, Desoeuvre A, Grapin G, Savignac J, Boisson J, Morin G, Battaglia-Brunet F, Joulian C, Héry M. A field-pilot for passive bioremediation of As-rich acid mine drainage. J Environ Manage 2019; 232:910-918. [PMID: 30530282 DOI: 10.1016/j.jenvman.2018.11.116] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 11/21/2018] [Accepted: 11/24/2018] [Indexed: 05/27/2023]
Abstract
A field-pilot bioreactor exploiting microbial iron (Fe) oxidation and subsequent arsenic (As) and Fe co-precipitation was monitored during 6 months for the passive treatment of As-rich acid mine drainage (AMD). It was implemented at the Carnoulès mining site (southern France) where AMD contained 790-1315 mg L-1 Fe(II) and 84-152 mg L-1 As, mainly as As(III) (78-83%). The bioreactor consisted in five shallow trays of 1.5 m2 in series, continuously fed with AMD by natural flow. We monitored the flow rate and the water physico-chemistry including redox Fe and As speciation. Hydraulic retention time (HRT) was calculated and the precipitates formed inside the bioreactor were characterized (mineralogy, Fe and As content, As redox state). Since As(III) oxidation improves As retention onto Fe minerals, bacteria with the capacity to oxidize As(III) were quantified through their marker gene aioA. Arsenic removal yields in the pilot ranged between 3% and 97% (average rate (1.8 ± 0.8) ✕ 10-8 mol L-1 s-1), and were positively correlated to HRT and inlet water dissolved oxygen concentration. Fe removal yields did not exceed 11% (average rate (7 ± 5) ✕ 10-8 mol L-1 s-1). In the first 32 days the precipitate contained tooeleite, a rare arsenite ferric sulfate mineral. Then, it evolved toward an amorphous ferric arsenate phase. The As/Fe molar ratio and As(V) to total As proportion increased from 0.29 to 0.86 and from ∼20% to 99%, respectively. The number of bacterial aioA gene copies increased ten-fold during the first 48 days and stabilized thereafter. These results and the monitoring of arsenic speciation in the inlet and the outlet water, provide evidences that As(III) oxidized in the pilot. The biotreatment system we designed proved to be suitable for high As DMA. The formation of sludge highly enriched into As(V) rather than As(III) is advantageous in the perspective of long term storage.
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Affiliation(s)
- L Fernandez-Rojo
- HydroSciences Montpellier, Univ. Montpellier, CNRS, IRD, CC57, 163 Rue Auguste Broussonnet, 34090, Montpellier, France
| | - C Casiot
- HydroSciences Montpellier, Univ. Montpellier, CNRS, IRD, CC57, 163 Rue Auguste Broussonnet, 34090, Montpellier, France.
| | - E Laroche
- HydroSciences Montpellier, Univ. Montpellier, CNRS, IRD, CC57, 163 Rue Auguste Broussonnet, 34090, Montpellier, France; French Geological Survey (BRGM), Geomicrobiology and Environmental Monitoring Unit, 3, Avenue Claude Guillemin, BP, 36009, 45060, Orléans Cedex 2, France
| | - V Tardy
- HydroSciences Montpellier, Univ. Montpellier, CNRS, IRD, CC57, 163 Rue Auguste Broussonnet, 34090, Montpellier, France
| | - O Bruneel
- HydroSciences Montpellier, Univ. Montpellier, CNRS, IRD, CC57, 163 Rue Auguste Broussonnet, 34090, Montpellier, France
| | - S Delpoux
- HydroSciences Montpellier, Univ. Montpellier, CNRS, IRD, CC57, 163 Rue Auguste Broussonnet, 34090, Montpellier, France
| | - A Desoeuvre
- HydroSciences Montpellier, Univ. Montpellier, CNRS, IRD, CC57, 163 Rue Auguste Broussonnet, 34090, Montpellier, France
| | - G Grapin
- IRH Ingénieur Conseil, Anteagroup, 427 Rue Lavoisier - CS 50155, 54714, Ludres Cedex, France
| | - J Savignac
- IRH Ingénieur Conseil, Anteagroup, 427 Rue Lavoisier - CS 50155, 54714, Ludres Cedex, France
| | - J Boisson
- IRH Ingénieur Conseil, Anteagroup, 197 Avenue de Fronton, 31200, Toulouse, France
| | - G Morin
- Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), UMR 7590, CNRS-UPMC-IRD-MNHN, Sorbonne Universités, 4 place Jussieu, 75252, Paris cedex 05, France
| | - F Battaglia-Brunet
- French Geological Survey (BRGM), Geomicrobiology and Environmental Monitoring Unit, 3, Avenue Claude Guillemin, BP, 36009, 45060, Orléans Cedex 2, France
| | - C Joulian
- French Geological Survey (BRGM), Geomicrobiology and Environmental Monitoring Unit, 3, Avenue Claude Guillemin, BP, 36009, 45060, Orléans Cedex 2, France
| | - M Héry
- HydroSciences Montpellier, Univ. Montpellier, CNRS, IRD, CC57, 163 Rue Auguste Broussonnet, 34090, Montpellier, France
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Fernandez-Rojo L, Héry M, Le Pape P, Braungardt C, Desoeuvre A, Torres E, Tardy V, Resongles E, Laroche E, Delpoux S, Joulian C, Battaglia-Brunet F, Boisson J, Grapin G, Morin G, Casiot C. Biological attenuation of arsenic and iron in a continuous flow bioreactor treating acid mine drainage (AMD). Water Res 2017; 123:594-606. [PMID: 28709104 DOI: 10.1016/j.watres.2017.06.059] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 05/09/2017] [Accepted: 06/21/2017] [Indexed: 06/07/2023]
Abstract
Passive water treatments based on biological attenuation can be effective for arsenic-rich acid mine drainage (AMD). However, the key factors driving the biological processes involved in this attenuation are not well-known. Here, the efficiency of arsenic (As) removal was investigated in a bench-scale continuous flow channel bioreactor treating As-rich AMD (∼30-40 mg L-1). In this bioreactor, As removal proceeds via the formation of biogenic precipitates consisting of iron- and arsenic-rich mineral phases encrusting a microbial biofilm. Ferrous iron (Fe(II)) oxidation and iron (Fe) and arsenic removal rates were monitored at two different water heights (4 and 25 mm) and with/without forced aeration. A maximum of 80% As removal was achieved within 500 min at the lowest water height. This operating condition promoted intense Fe(II) microbial oxidation and subsequent precipitation of As-bearing schwertmannite and amorphous ferric arsenate. Higher water height slowed down Fe(II) oxidation, Fe precipitation and As removal, in relation with limited oxygen transfer through the water column. The lower oxygen transfer at higher water height could be partly counteracted by aeration. The presence of an iridescent floating film that developed at the water surface was found to limit oxygen transfer to the water column and delayed Fe(II) oxidation, but did not affect As removal. The bacterial community structure in the biogenic precipitates in the bottom of the bioreactor differed from that of the inlet water and was influenced to some extent by water height and aeration. Although potential for microbial mediated As oxidation was revealed by the detection of aioA genes, removal of Fe and As was mainly attributable to microbial Fe oxidation activity. Increasing the proportion of dissolved As(V) in the inlet water improved As removal and favoured the formation of amorphous ferric arsenate over As-sorbed schwertmannite. This study proved the ability of this bioreactor-system to treat extreme As concentrations and may serve in the design of future in-situ bioremediation system able to treat As-rich AMD.
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Affiliation(s)
- L Fernandez-Rojo
- Hydrosciences Montpellier, UMR 5569 CNRS-IRD-UM, CC57, 163 rue Auguste Broussonet, 34090, Montpellier, France
| | - M Héry
- Hydrosciences Montpellier, UMR 5569 CNRS-IRD-UM, CC57, 163 rue Auguste Broussonet, 34090, Montpellier, France
| | - P Le Pape
- Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), UMR 7590 CNRS-UPMC-IRD-MNHN, 4 place Jussieu, 75252, Paris cedex 05, France
| | - C Braungardt
- School of Geography, Earth and Environmental Sciences (Faculty of Science & Engineering), Plymouth University, United Kingdom; Hydrosciences Montpellier, UMR 5569 CNRS-IRD-UM, CC57, 163 rue Auguste Broussonet, 34090, Montpellier, France
| | - A Desoeuvre
- Hydrosciences Montpellier, UMR 5569 CNRS-IRD-UM, CC57, 163 rue Auguste Broussonet, 34090, Montpellier, France
| | - E Torres
- Hydrosciences Montpellier, UMR 5569 CNRS-IRD-UM, CC57, 163 rue Auguste Broussonet, 34090, Montpellier, France
| | - V Tardy
- Hydrosciences Montpellier, UMR 5569 CNRS-IRD-UM, CC57, 163 rue Auguste Broussonet, 34090, Montpellier, France
| | - E Resongles
- Hydrosciences Montpellier, UMR 5569 CNRS-IRD-UM, CC57, 163 rue Auguste Broussonet, 34090, Montpellier, France
| | - E Laroche
- Hydrosciences Montpellier, UMR 5569 CNRS-IRD-UM, CC57, 163 rue Auguste Broussonet, 34090, Montpellier, France
| | - S Delpoux
- Hydrosciences Montpellier, UMR 5569 CNRS-IRD-UM, CC57, 163 rue Auguste Broussonet, 34090, Montpellier, France
| | - C Joulian
- French Geological Survey (BRGM), 3 avenue Claude Guillemin, 45060, BP 36009, Orléans Cedex, France
| | - F Battaglia-Brunet
- French Geological Survey (BRGM), 3 avenue Claude Guillemin, 45060, BP 36009, Orléans Cedex, France
| | - J Boisson
- IRH Ingénieur Conseil, 197 avenue de Fronton, 31200, Toulouse, France
| | - G Grapin
- IRH Ingénieur Conseil, 427 rue Lavoisier - CS 50155, 54714, Ludres Cedex, France
| | - G Morin
- Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), UMR 7590 CNRS-UPMC-IRD-MNHN, 4 place Jussieu, 75252, Paris cedex 05, France
| | - C Casiot
- Hydrosciences Montpellier, UMR 5569 CNRS-IRD-UM, CC57, 163 rue Auguste Broussonet, 34090, Montpellier, France.
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Boisson J, Strozyk H, Diner P, Picard A, Kadlub N. Feasibility of magnetic activation of a maxillofacial distraction osteogenesis, design of a new device. J Craniomaxillofac Surg 2016; 44:684-8. [DOI: 10.1016/j.jcms.2016.03.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 02/11/2016] [Accepted: 03/18/2016] [Indexed: 12/14/2022] Open
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Gallet B, Aumaître S, Boisson J, Daviaud F, Dubrulle B, Bonnefoy N, Bourgoin M, Odier P, Pinton JF, Plihon N, Verhille G, Fauve S, Pétrélis F. Experimental observation of spatially localized dynamo magnetic fields. Phys Rev Lett 2012; 108:144501. [PMID: 22540795 DOI: 10.1103/physrevlett.108.144501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2012] [Indexed: 05/31/2023]
Abstract
We report the first experimental observation of a spatially localized dynamo magnetic field, a common feature of astrophysical dynamos and convective dynamo simulations. When the two propellers of the von Kármán sodium experiment are driven at frequencies that differ by 15%, the mean magnetic field's energy measured close to the slower disk is nearly 10 times larger than the one close to the faster one. This strong localization of the magnetic field when a symmetry of the forcing is broken is in good agreement with a prediction based on the interaction between a dipolar and a quadrupolar magnetic mode.
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Affiliation(s)
- B Gallet
- Laboratoire de Physique Statistique, Ecole Normale Supérieure, CNRS, Université Pierre et Marie Curie, Université Paris Diderot, Paris, France
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Ruttens A, Mench M, Colpaert JV, Boisson J, Carleer R, Vangronsveld J. Phytostabilization of a metal contaminated sandy soil. I: Influence of compost and/or inorganic metal immobilizing soil amendments on phytotoxicity and plant availability of metals. Environ Pollut 2006; 144:524-32. [PMID: 16542762 DOI: 10.1016/j.envpol.2006.01.038] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2005] [Revised: 01/03/2006] [Accepted: 01/12/2006] [Indexed: 05/07/2023]
Abstract
In a lysimeter set-up, compost addition to an industrial contaminated soil slightly reduced phytotoxicity to bean seedlings. The "Phytotoxicity Index" (on a scale from 1 to 4) decreased from 3.5 to 2.8. The same treatment also reduced metal accumulation in grasses: mean Zn, Cd and Pb concentrations decreased respectively from 623 to 135, from 6.2 to 1.3 and from 10.7 to <6 mg kg-1 dry weight. When combined with inorganic metal immobilizing amendments, compost had a beneficial effect on plant responses additional to the inorganic amendments alone. Best results were obtained when using compost (C)+cyclonic ashes (CA)+steel shots (SS). The "Phytotoxicity Index" decreased to 1.7, highest diversity of spontaneously colonizing plants occurred, and metal accumulation in grasses reduced to values for uncontaminated soils. Based on the first year evaluation, C+CA+SS showed to be an efficient treatment for amendment assisted phytostabilization of the contaminated Overpelt soil.
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Affiliation(s)
- A Ruttens
- Hasselt University, Centre for Environmental Sciences-Environmental Biology, Agoralaan Building D, B-3590 Diepenbeek, Belgium.
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Ruttens A, Colpaert JV, Mench M, Boisson J, Carleer R, Vangronsveld J. Phytostabilization of a metal contaminated sandy soil. II: Influence of compost and/or inorganic metal immobilizing soil amendments on metal leaching. Environ Pollut 2006; 144:533-9. [PMID: 16530308 DOI: 10.1016/j.envpol.2006.01.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2005] [Revised: 01/03/2006] [Accepted: 01/12/2006] [Indexed: 05/07/2023]
Abstract
A lysimeter approach (under natural climatologic conditions) was used to evaluate the effect of four metal immobilizing soil treatments [compost (C), compost+cyclonic ashes (C+CA), compost+cyclonic ashes+steel shots (C+CA+SS)) and cyclonic ashes+steel shots (CA+SS)] on metal leaching through an industrially contaminated soil. All treatments decreased Zn and Cd leaching. Strongest reductions occurred after CA+SS and C+CA+SS treatments (Zn: -99.0% and -99.2% respectively; Cd: -97.2% and -98.3% respectively). Copper and Pb leaching increased after C (17 and >30 times for Cu and Pb respectively) and C+CA treatment (4.4 and >3.7 times for Cu and Pb respectively). C+CA+SS or CA+SS addition did not increase Cu leaching; the effect on Pb leaching was not completely clear. Our results demonstrate that attention should be paid to Cu and Pb leaching when organic matter additions are considered for phytostabilization of metal contaminated soils.
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Affiliation(s)
- A Ruttens
- Hasselt University, Centre for Environmental Sciences-Environmental Biology, Agoralaan Building D, B-3590 Diepenbeek, Belgium.
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Hornych A, Boisson J, Gaschard JC. [Reduction of kidney prostaglandin synthesis in patients with essential hypertension. Stimulating effect of cicletanine]. Arch Mal Coeur Vaiss 1989; 82 Spec No 4:85-90. [PMID: 2514674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The purpose of this study was to evaluate the level of renal synthesis of vasodilator and natriuretic prostaglandins I2 and E2 in patients with essential hypertension and to test the effect of cicletanine, a new antihypertensive drug, on the renal synthesis of these prostanoids in hypertensive patients. The first part of the study was carried out in 12 healthy normotensive subjects and in 25 patients of both sexes with essential hypertension. The effect of cicletanine administered in dose of 150 mg was assessed in 10 healthy volunteers and 12 hypertensive patients. The urinary levels of prostaglandins 6-keto-PGF1 alpha (a metabolite of prostacyclin PGI2) and PGE2 were measured (HPLC) by radioimmunoassay after extraction and chromatographic separation. In normal subjects the urinary excretion rate of 6-keto-PGF1 alpha was 134 +/- 26 pg/min and that of PGE2 was 180 +/- 25 pg/min. The corresponding values were significantly lower in hypertensive patients. This defect of PGI2 and PGE2 renal synthesis was found in 64 p. 100 and 72 p. 100 respectively of patients with hypertension. Cicletanine increased the urinary excretion of 6-keto-PGF1 alpha by 45 p. 100 and that of PGE2 by 59 p. 100 in hypertensive patients. It also brought to normal limits the secretion of these prostanoids in these subjects. At the dose of 150 mg the drug stimulated natriuresis significantly and increased glomerular filtration in patients with essential hypertension. This renal effect of cicletanine was acutely reduced by the presence of indomethacin.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- A Hornych
- INSERM U 28, hôpital Broussais, Paris
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Albot G, Boisson J. [Various presentations of bran in therapeutics. Their respective properties]. Ann Gastroenterol Hepatol (Paris) 1985; 21:317-9. [PMID: 3002233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Boisson J, Brisou J, Brangier J, Moulin M. [Intestinal bacterial flora in patients with colopathies. Study of samples obtained by colonoscopy]. Sem Hop 1977; 53:827-31. [PMID: 194333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This enquiry, the limits of which are easy to determine, permits one to note that in patients with chronic hemorrhagic colonic disease samples of digestive juice, carried, out at the level of the colonic mucosa, permit isolation of a large number of pseudomonadaceae, these bacteria are extremely various. A single patient may harbour 10 to 12 species. These bacteria, usually harmless, belong to the natural microbiocenoses, but they may under certain circumstances, increase in number and, according to Fabiani, induce severe symptoms or even be fatal. The mass of bacteria isolated and identified did not permit a study of bacterial sensitivity. The most seriously affected subjects clinically, usually had various bacteria which excludes the accusation of one species and eliminates any idea of bacterial specificity in the constitution of the syndromes observed. The disturbance seems to be a consequence of these chronic diseases and not the cause. In fact, no pathogenic germ was isolated, which one might consider to be responsible for the disease. Finally, it is wise to conclude that patients with irritable colon syndromes who formed part of this investigation, simply presented some imbalance in the bacterial flora which was sometimes very marked with a predominance of proteolytic Pseudomonas.
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14
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Nisard A, Lecharpentier Y, Louvel A, Galian A, Bleichner G, Boisson J, Rambaud JC. [Malignant lymphoma in a patient with coeliac disease. A clinico-pathological study (author's transl)]. Arch Fr Mal App Dig 1976; 65:295-305. [PMID: 1037081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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15
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Dao C, Forrestier F, Malvy JL, Boisson J, Bousser J. [Letter: Leukemoid reaction during acute alcoholic hepatitis]. Nouv Presse Med 1976; 5:1363-4. [PMID: 1084518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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16
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Forestier F, Boisson J, Samama M. [Contraindications of hepatic puncture biopsy]. Sem Hop 1975; -51:2815-7. [PMID: 175451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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17
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Camilleri JP, Diebold J, Boisson J, Samama M. [Indications and limits of hepatic biopsy in hematology]. Sem Hop 1974; 50:1613-8. [PMID: 4373830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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18
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Tournut J, Boisson J. [Pharmacological and clinical study of a new anti-ulcer agent]. Ann Gastroenterol Hepatol (Paris) 1973; 9:99-105. [PMID: 4687369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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19
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Boisson J. [Study of an hepatic analeptic by enzyme determinations and hepatic clearance tests]. Ann Gastroenterol Hepatol (Paris) 1972; 8:191-6. [PMID: 5056542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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20
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Boisson J, Rakoto D. [Clinical results and digestive tolerance of a new tetracycline]. Ann Gastroenterol Hepatol (Paris) 1970; 6:451-6. [PMID: 5475394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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21
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Albot G, Boisson J. [Place of sulpiride in the treatment of gastroduodenal ulcer]. Sem Hop 1970; 46:Suppl:7-14. [PMID: 4316831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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22
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Boisson J. [Indications of parapenzolate in digestive pathology]. Therapeutique 1970; 46:561-5. [PMID: 5430230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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23
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Albot G, Boisson J, Gateau P. [Fibromuscular atresia of the antrum. (Its radiographic, radiocinematographic, gastrobiopsic and biologic semiology)]. Actual Hepatogastroenterol (Paris) 1969; 5:B131-60. [PMID: 5345573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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24
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Albot G, Boisson J, Leblanc M. [Digestive intolerance to cereal flour in adults and its prevention by a new method of flour predigestion]. Sem Hop 1969; 45:1373-87. [PMID: 4307004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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25
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Albot G, Boisson J. [Treatment of gastro-duodenal ulcer by sulpiride]. Actual Hepatogastroenterol (Paris) 1969; 5:B119-24. [PMID: 5800883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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26
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Dehouve A, Boisson J. [Radiology of the normal esophago-cardial region]. Actual Hepatogastroenterol (Paris) 1969; 5:A14-33. [PMID: 5363212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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27
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Albot G, Boisson J, Foulon D. [Value of immunoelectrophoresis at various stages of alcoholic hepatitis (subacute balloon cell, subacute steatosic and cirrhogenic hepatitis, and latent cirrhosis)]. Actual Hepatogastroenterol (Paris) 1968; 4:B197-210. [PMID: 5721709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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28
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Hernandez C, Boisson J, Parturier-Albot M. [Critical value of angiography in ulcero-hemorrhagic rectocolitis]. Actual Hepatogastroenterol (Paris) 1968; 4:A233-48. [PMID: 5305313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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29
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Parturier-Albot M, Boisson J. [The liver in ulcero-hemorrhagic rectocolitis]. Actual Hepatogastroenterol (Paris) 1968; 4:A142-6. [PMID: 5678937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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30
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Albot G, Berthet G, Boisson J, Bou J. [Conditions necessary to improvement of radiologic diagnosis of tumors of the eso-cardio-tuberous region (48 cases)]. Arch Fr Mal App Dig 1967; 56:1169-208. [PMID: 5622574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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31
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Debray C, Paolaggi JA, Leymarios J, Martin E, Marche C, Boisson J. [Endoscopic study of recto-sigmoid melanosis]. Bull Soc Sci Med Grand Duche Luxemb 1967; 104:33-4. [PMID: 5621648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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32
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Debray C, Paolaggi JA, Leymarios J, Martin E, Marche C, Boisson J. [Recto-colic melanosis]. Sem Hop 1967; 43:1897-906. [PMID: 4308983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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33
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Albot G, Hernandez C, Boisson J, Veyne S, Chaput JC, Farias L. [Diagnostic contribution of selective arteriography of the celiac trunk in some cases of benign or malignant thickening of the gastric mucosa. (Large-fold gastropathies, systemic elastorrhexis, gastric hypertrophy of the folds of the cardial infundibulum, epithelioma of the esophagogastric juncture)]. Sem Hop 1967; 43:1192-206. [PMID: 4294078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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34
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Albot G, Boisson J. [Benign tumors and pseudotumors (dysplasia and hamartoma) of the gallbladder. Clinical and radiologic study]. Actual Hepatogastroenterol (Paris) 1967; 3:55-78. [PMID: 5615207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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35
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Albot G, Boisson J. [Results and indications of a lyophilized embryonic extract in the treatment of gastroduodenal ulcers]. Actual Hepatogastroenterol (Paris) 1966; 2:63-XXXVI. [PMID: 6011429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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36
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Boisson J, Albot G. [On the therapeutic value of metoclopramide. Apropos of 2,300 cases. Critical review and indications for its use]. Cah Coll Med Hop Paris 1966; 7:45-63. [PMID: 5325316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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37
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Boisson J, Hernandez C, Parturier-Albot M. [Mesenteric arteriography in ulcero-hemorrhagic rectocolitis. (Practical, diagnostic, prognostic and therapeutic effects apropos of 10 cases)]. Arch Fr Mal App Dig 1966; 55:63-76. [PMID: 5908240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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38
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Albot G, Juin G, Boisson J. [Clinical and therapeutic study of a new "tonic" drug combination composed of vitamin B6 and adenosine triphosphate (A.T.P.)]. Actual Hepatogastroenterol (Paris) 1965; 1:xvii-xix. [PMID: 5875013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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