Ona-Nguema G - Search Results

1

Iron(II,III) hydroxycarbonate green rust formation and stabilization from lepidocrocite bioreduction.

Ona-Nguema G, Abdelmoula M, Jorand F, Benali O, Géhin A, Block JC, Génin JM. Ona-Nguema G, et al. Environ Sci Technol. 2002 Jan 1;36(1):16-20. doi: 10.1021/es0020456. Environ Sci Technol. 2002. PMID: 11811482

2

EXAFS analysis of arsenite adsorption onto two-line ferrihydrite, hematite, goethite, and lepidocrocite.

Ona-Nguema G, Morin G, Juillot F, Calas G, Brown GE Jr. Ona-Nguema G, et al. Environ Sci Technol. 2005 Dec 1;39(23):9147-55. doi: 10.1021/es050889p. Environ Sci Technol. 2005. PMID: 16382936

3

In situ redox flexibility of FeII-III Oxyhydroxycarbonate green rust and fougerite.

Ruby C, Upadhyay C, Géhin A, Ona-Nguema G, Génin JM. Ruby C, et al. Environ Sci Technol. 2006 Aug 1;40(15):4696-702. doi: 10.1021/es0606834. Environ Sci Technol. 2006. PMID: 16913126

4

Extended X-ray absorption fine structure analysis of arsenite and arsenate adsorption on maghemite.

Morin G, Ona-Nguema G, Wang Y, Menguy N, Juillot F, Proux O, Guyot F, Calas G, Brown GE Jr. Morin G, et al. Environ Sci Technol. 2008 Apr 1;42(7):2361-6. doi: 10.1021/es072057s. Environ Sci Technol. 2008. PMID: 18504966

5

Evidence for different surface speciation of arsenite and arsenate on green rust: an EXAFS and XANES study.

Wang Y, Morin G, Ona-Nguema G, Juillot F, Guyot F, Calas G, Brown GE. Wang Y, et al. Environ Sci Technol. 2010 Jan 1;44(1):109-15. doi: 10.1021/es901627e. Environ Sci Technol. 2010. PMID: 20039740

6

XANES evidence for rapid arsenic(III) oxidation at magnetite and ferrihydrite surfaces by dissolved O(2) via Fe(2+)-mediated reactions.

Ona-Nguema G, Morin G, Wang Y, Foster AL, Juillot F, Calas G, Brown GE. Ona-Nguema G, et al. Environ Sci Technol. 2010 Jul 15;44(14):5416-22. doi: 10.1021/es1000616. Environ Sci Technol. 2010. PMID: 20666402

7

Distinctive arsenic(V) trapping modes by magnetite nanoparticles induced by different sorption processes.

Wang Y, Morin G, Ona-Nguema G, Juillot F, Calas G, Brown GE Jr. Wang Y, et al. Environ Sci Technol. 2011 Sep 1;45(17):7258-66. doi: 10.1021/es200299f. Epub 2011 Aug 2. Environ Sci Technol. 2011. PMID: 21809819

8

Arsenic scavenging by aluminum-substituted ferrihydrites in a circumneutral pH river impacted by acid mine drainage.

Adra A, Morin G, Ona-Nguema G, Menguy N, Maillot F, Casiot C, Bruneel O, Lebrun S, Juillot F, Brest J. Adra A, et al. Among authors: ona nguema g. Environ Sci Technol. 2013 Nov 19;47(22):12784-92. doi: 10.1021/es4020234. Epub 2013 Nov 1. Environ Sci Technol. 2013. PMID: 24102216

9

Nitrite reduction by biogenic hydroxycarbonate green rusts: evidence for hydroxy-nitrite green rust formation as an intermediate reaction product.

Guerbois D, Ona-Nguema G, Morin G, Abdelmoula M, Laverman AM, Mouchel JM, Barthelemy K, Maillot F, Brest J. Guerbois D, et al. Among authors: ona nguema g. Environ Sci Technol. 2014 Apr 15;48(8):4505-14. doi: 10.1021/es404009k. Epub 2014 Apr 7. Environ Sci Technol. 2014. PMID: 24708473

10

Arsenic(III) and arsenic(V) speciation during transformation of lepidocrocite to magnetite.

Wang Y, Morin G, Ona-Nguema G, Brown GE Jr. Wang Y, et al. Among authors: ona nguema g. Environ Sci Technol. 2014 Dec 16;48(24):14282-90. doi: 10.1021/es5033629. Epub 2014 Dec 4. Environ Sci Technol. 2014. PMID: 25425339

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