Speciation of metal drugs, supplements and toxins in media and bodily fluids controls in vitro activities

A Levina, DC Crans, PA Lay - Coordination Chemistry Reviews, 2017 - Elsevier
Studies of metal uptake, metabolism and excretion by single bacterial, yeast, plant and
animal cells is a widespread area of research, yet little is known about the reactivity and …

Possible role of oxidative damage in metal-induced carcinogenesis

KS Kasprzak - Cancer investigation, 1995 - Taylor & Francis
This review presents and evaluates evidence relevant to the mechanisms of metal
carcinogenicity with special emphasis on the emerging hypothesis of the oxidative nature of …

Designing ligands for oxidizing complexes

TJ Collins - Accounts of chemical research, 1994 - ACS Publications
Higher oxidation state complexes of transition metals become progressively rarer the further
to the right the element is found in the periodic table. For early transition metals the d states …

Studies on the genotoxicity of chromium: from the test tube to the cell

R Codd, CT Dillon, A Levina, PA Lay - Coordination Chemistry Reviews, 2001 - Elsevier
A critical review of the relevance of in vitro chemical studies to Cr-induced cancers is given.
In particular, the nature of the most likely reductants, the species that stabilise intermediates …

Chromium in biology: toxicology and nutritional aspects

A Levina, R Codd, CT Dillon… - Progress in inorganic …, 2002 - Wiley Online Library
The authors make a critical assessment of the large body of recent research into Cr
chemistry and biochemistry in relation to its biological activities. Insight is provided to …

Recent advances in electrochemical detection of toxic Cr (VI)

W Jin, K Yan - Rsc Advances, 2015 - pubs.rsc.org
Large quantities of highly toxic hexavalent chromium (Cr (VI)) compounds are often
discharged from waste streams into the environment from various industrial processes. As …

Sampling and analysis considerations for the determination of hexavalent chromium in workplace air

K Ashley, AM Howe, M Demange… - Journal of Environmental …, 2003 - pubs.rsc.org
Airborne hexavalent chromium (Cr [VI]) is a known human respiratory carcinogen and
allergen. Workers in a variety of industries may be exposed to airborne hexavalent …

EPR Spectroscopic Studies of the Reactions of Cr(VI) with l-Ascorbic Acid, l-Dehydroascorbic Acid, and 5,6-O-Isopropylidene-l-ascorbic Acid in Water.1 …

L Zhang, PA Lay - Journal of the American Chemical Society, 1996 - ACS Publications
The characterization of the Cr (V) intermediates in the reduction of Cr (VI) by l-ascorbic acid
(l-AsA) in aqueous solution is described as a function of pH and ascorbate concentration. In …

EPR characterisation of the CrV intermediates in the CrVI/V oxidations of organic substrates and of relevance to Cr-induced cancers

G Barr-David, M Charara, R Codd, RP Farrell… - Journal of the …, 1995 - pubs.rsc.org
An empirical method has been developed for determining the coordination number of CrV
complexes (five-or six-coordinate) and the donor groups bound to CrV from the measured …

Field method for the determination of hexavalent chromium by ultrasonication and strong anion-exchange solid-phase extraction

J Wang, K Ashley, D Marlow, EC England… - Analytical …, 1999 - ACS Publications
A simple, fast, sensitive, and economical field method was developed and evaluated for the
determination of hexavalent chromium (CrVI) in environmental and workplace air samples …