2007
DOI: 10.1016/j.jinorgbio.2006.12.010
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Structural observations of time dependent oscillatory behavior of CuIICl2 solutions measured via extended X-ray absorption fine structure

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Cited by 7 publications
(11 citation statements)
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“…The hypothesis under investigation is that oscillations in redox potential and oxidation of NADH of hydrated Cu II both in solution and associated with protein [1][2][3][4] were inherent in the properties of the associated water. To test the hypothesis, EXAFS measurements previously made on Cu II Cl 2 solution [4] were extended to double distilled water at 9302 eV with continuous measurements (absorbance recordings every 10 s).…”
Section: Resultsmentioning
confidence: 99%
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“…The hypothesis under investigation is that oscillations in redox potential and oxidation of NADH of hydrated Cu II both in solution and associated with protein [1][2][3][4] were inherent in the properties of the associated water. To test the hypothesis, EXAFS measurements previously made on Cu II Cl 2 solution [4] were extended to double distilled water at 9302 eV with continuous measurements (absorbance recordings every 10 s).…”
Section: Resultsmentioning
confidence: 99%
“…The X-ray absorbance studies were conducted at the Pacific Northwest consortium collaborative access team (PNC-CAT) at the advance photon source (APS) of Argonne National Laboratories as described [4]. The experiments were at 25°C and at intrinsic pH around 4.2.…”
Section: Methodsmentioning
confidence: 99%
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“…Thus, the copper bound to the ENOX protein, as a Cu II hexahydrate, emerged as the driver of the protein oscillations, a conclusion supported by Extended X-ray Absorption Fine Structure Spectroscopy (EXAFS) measurements using the Advanced Photon Source of the Argonne National Laboratories [12]. Ultimately, similar oscillations in both redox potential and in NADH oxidation were observed in pure water with a period length of about 18 min (24 min for D2O) and also confirmed by EXAFS [13].…”
Section: Time-keeping Enox Proteinsmentioning
confidence: 95%