TY - JOUR
T1 - Heavy metal binding by inactivated tissues of Solanum elaeagnifolium:
chemical and subsequent XAS studies
AU - Tiemann, KJ
AU - Rascon, AE
AU - Gamez Goytia, Gerardo
AU - Parsons, JG
AU - Baig, T
AU - Cano-Aguilera, I
AU - Gardea-Torresdey, JL
PY - 2002/4
Y1 - 2002/4
N2 - Contamination caused by heavy metals as well as their toxic effects on
the environment and mankind is well known. However, it has been observed
that some native plants have survived within areas polluted with heavy
metals. This has been the case with the woody subshrub Solanum
elaeagnifolium. It is possible to take advantage of this singular
feature by using its inactivated tissues as a biofiltration system. In
this work we characterized the mechanism of the binding between the
biomass tissues with heavy metals by using chemical modification
techniques. These techniques included chemical esterification and
hydrolyzation of carboxylic groups and methyl esters, respectively.
These studies have shown an overall decrease in metal binding for the
esterified biomass, and an overall increase in metal binding for the
hydrolyzed biomass as compared with the unmodified biomass. These
experiments were performed with Cu(II), Pb(II), Cr(III), Zn(II) and
Ni(II). In addition, experiments conducted w
AB - Contamination caused by heavy metals as well as their toxic effects on
the environment and mankind is well known. However, it has been observed
that some native plants have survived within areas polluted with heavy
metals. This has been the case with the woody subshrub Solanum
elaeagnifolium. It is possible to take advantage of this singular
feature by using its inactivated tissues as a biofiltration system. In
this work we characterized the mechanism of the binding between the
biomass tissues with heavy metals by using chemical modification
techniques. These techniques included chemical esterification and
hydrolyzation of carboxylic groups and methyl esters, respectively.
These studies have shown an overall decrease in metal binding for the
esterified biomass, and an overall increase in metal binding for the
hydrolyzed biomass as compared with the unmodified biomass. These
experiments were performed with Cu(II), Pb(II), Cr(III), Zn(II) and
Ni(II). In addition, experiments conducted w
M3 - Article
SP - 133
EP - 141
JO - MICROCHEMICAL JOURNAL
JF - MICROCHEMICAL JOURNAL
ER -