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Synthesis and characterization of fluorine-substituted polyanilines
A Cihaner and A.M Onal
European Polymer Journal, 37, 1767-1772 (2001)
M Hasmath Farzana et al.
International journal of biological macromolecules, 72, 1265-1271 (2014-10-04)
This article describes the photo-reduction of heavy metal Cr(VI) in aqueous solution using titanium dioxide impregnated chitosan beads (TCB) in the presence of UV irradiation. The synergistic role of TCB results in excellent photocatalytic behavior. The reduction of Cr(VI) by
The Werner syndrome protein functions in repair of Cr(VI)-induced replication-associated DNA damage.
Fu-Jun Liu et al.
Toxicological sciences : an official journal of the Society of Toxicology, 110(2), 307-318 (2009-06-03)
Werner syndrome is a premature aging disorder characterized by cancer predisposition that is caused by loss of the Werner syndrome protein (WRN) helicase/exonuclease DNA repair protein. Hexavalent chromium is an environmental carcinogen and genotoxicant that is associated with respiratory cancers
Ying Zhang et al.
Ecotoxicology and environmental safety, 119, 132-139 (2015-05-23)
The toxicity of municipal wastewater to the receiving water bodies is still unknown, due to the lack of regulated toxicity based index for wastewater discharge in China. Our study aims at gaining insight into the acute toxic effects of local
N A Arivarasu et al.
Biological trace element research, 148(2), 209-215 (2012-02-14)
We have previously shown that a single oral dose of potassium dichromate results in a decrease in the activities of several brush border membrane enzymes, produces oxidative stress, and alters the activities of several antioxidant enzymes in the small intestine
Ankur Jindal et al.
Psychopharmacology, 232(3), 623-637 (2014-08-15)
Olfactory bulbectomy (OBX) is a widely used model for antidepressant screening and known to induce neurodegeneration in several brain areas. Our earlier studies demonstrated that etazolate produced antidepressant-like effects in behavioral despair models of depression; however, the potential role of
Swati N Tikare et al.
Indian journal of physiology and pharmacology, 56(2), 137-146 (2013-02-08)
Heavy metals are stable environmental contaminants, causing various alterations in target tissues. Garlic has some beneficial effect in preventing heavy metal induced various alteration. The objective was to investigate the possible protective role of fresh aqueous homogenate of garlic on
B Duarte et al.
Ecotoxicology and environmental safety, 83, 1-7 (2012-07-13)
The in situ reduction of Cr (VI) to its less toxic form Cr (III) may be a useful detoxification mechanism for phytoremediation. Using a hydroponics mesocosmos approach, we evaluated the ability of Halimione portulacoides to reduce and uptake Cr (VI)
Peter A Siver et al.
American journal of botany, 102(6), 921-941 (2015-06-24)
Heterokont algae of the class Synurophyceae, characterized by distinctive siliceous scales that cover the surface of the cell, are ecologically important in inland waters, yet their evolutionary history remains enigmatic. We explore phylogenetic relationships within this group of algae relative
Arumugam Parthasarathy et al.
Life sciences, 118(1), 15-26 (2014-12-03)
Aminoguanidine (AG), a well known inhibitor of advanced glycation end products, has been reported to attenuate cardiac hypertrophy and fibrosis. However, the underlying mechanism by which AG exerts its anti-fibrotic activity is not well understood. Reactive oxygen species (ROS) and
Dedi Futra et al.
Sensors (Basel, Switzerland), 15(6), 12668-12681 (2015-06-02)
A fluorescence-based fiber optic toxicity biosensor based on genetically modified Escherichia coli (E. coli) with green fluorescent protein (GFP) was developed for the evaluation of the toxicity of several hazardous heavy metal ions. The toxic metals include Cu(II), Cd(II), Pb(II)
Athanasia G Tekerlekopoulou et al.
Water research, 47(2), 623-636 (2012-11-28)
The kinetics of hexavalent chromium bio-reduction in draw-fill suspended and attached growth reactors was examined using sugar as substrate and indigenous microorganisms from the industrial sludge of the Hellenic Aerospace Industry. Initially, experiments in suspended growth batch reactors for Cr
M Pacheco et al.
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP, 157(2), 132-140 (2012-11-13)
The impact of chromium (Cr) on fish health has been the subject of numerous investigations, establishing a wide spectrum of toxicity, attributed particularly to the hexavalent form [Cr(VI)]. However, reports on the simultaneous assessment of Cr toxicity in fish and
Tuba Ersen Dudu et al.
Journal of environmental management, 161, 243-251 (2015-07-21)
Cationic poly(Acrylonitril-co-Acrylamidopropyl-trimethyl Ammonium Chloride) (p(AN-co-APTMACl)) hydrogels in bulk were synthesized by using acrylonitrile (AN) and 3-acrylamidopropyl-trimethyl ammonium chloride (APTMACl) as monomers. The prepared hydrogels were exposed to amidoximation reaction to replace hydrophobic nitrile groups with hydrophilic amidoxime groups that have
A N Zinalieva et al.
Gigiena i sanitariia, (3)(3), 67-69 (2012-10-24)
The disturbance of the structure and function of pulmonary surfactant system (pSS) is an essential component of almost all pulmonary diseases. Chromium compounds have a damaging effect on the PSS, which contributes to the formation of nonspecific pulmonary diseases and
Donald W Adams et al.
Foot (Edinburgh, Scotland), 22(3), 141-145 (2012-07-17)
Shoe contact dermatitis is common in both the pediatric and the adult populations. Severity of the reaction can vary greatly by patient. Health Care Professionals of all types should be familiar with shoe related dermatitis and aware of potential antigens
Magdalena Jabłońska-Czapla et al.
Environmental science and pollution research international, 22(20), 15731-15744 (2015-06-02)
In the study, arsenic, antimony, and chromium concentrations and selected physicochemical parameters in water and sediment samples from the thermal anthroporessure subjected Rybnik Reservoir (Poland) were determined. As(III), As(V), Sb(III), and Sb(V) ions were successfully separated on Dionex IonPac AS7
Xia Dou et al.
Dermatitis : contact, atopic, occupational, drug, 22(6), 324-331 (2012-06-02)
The prevalence of contact allergy varies in different regions and populations. To describe the frequency of sensitization in patients with dermatitis or eczema referred to Peking University First Hospital and analyze the trends in the prevalence of common allergens from
Michel Schroyen et al.
Bioresource technology, 192, 696-702 (2015-06-22)
Pretreatment of lignocellulosic biomass is necessary to enhance the hydrolysis, which is the rate-limiting step in biogas production. Laccase and versatile peroxidase are enzymes known to degrade lignin. Therefore, the impact of enzymatic pretreatment was studied on a variety of
Shota Kurotsu et al.
The Journal of pharmacology and experimental therapeutics, 350(1), 79-88 (2014-04-29)
Idiopathic pulmonary fibrosis is thought to involve lung injury caused by reactive oxygen species (ROS), which in turn is followed by abnormal fibrosis. A transforming growth factor (TGF)-β1-induced increase in myofibroblast number plays an important role in this abnormal fibrosis.
Eduardo Molina-Jijón et al.
Toxicology, 291(1-3), 93-101 (2011-11-26)
Deferoxamine (DFO) is a recognized iron chelator which has been shown to exert nephroprotection in models of toxic nephropathies. In the present work the potential protective effects of DFO against Cr(VI)-induced nephrotoxicity and oxidant stress were evaluated. Rats were injected
Kirthiram K Sivakumar et al.
Developmental biology, 388(1), 22-34 (2014-02-18)
Hexavalent chromium (CrVI), one of the more toxic heavy metals, is widely used in more than 50 industries such as chrome plating, welding, wood processing and tanneries. As one of the world's leading producers of chromium compounds, the U.S. is
A Amatussalam et al.
Indian journal of experimental biology, 49(12), 925-931 (2012-03-13)
Removal of heavy metal chromium was carried out using the fungus Fusarium oxysporum NCBT-156 strain isolated from soil of leather tanning effluent in in situ condition using potassium dichromate solution with 10 per cent Czapek-dox liquid medium. Biosorbent matrix was
Josef Trögl et al.
Environmental toxicology and chemistry, 32(10), 2412-2416 (2013-07-25)
A set of 69 concentration-response curves from 5 acute ecotoxicity assays was fitted with a 2-parameter logistic equation. High correlation between values of regression parameters suggested similar slopes of the curves. This enabled derivation of the empirical single-parameter logistic equation
Manish Mishra et al.
Mutation research, 747-748, 28-39 (2013-05-01)
Hexavalent chromium [Cr(VI)] is a well known mutagen and carcinogen. Since genomic instability due to generation of double strand breaks (DSBs) is causally linked to carcinogenesis, we tested a hypothesis that Cr(VI) causes in vivo generation of DSBs and elicits
Neila Marouani et al.
Archives of environmental & occupational health, 70(4), 189-195 (2014-06-27)
The present study is designed to test the hypothesis that oxidative stress mediates hexavalent chromium (VI)-induced apoptosis in uterus. Female Wistar rats received an intraperitoneal (i.p.) injection of potassium dichromate at doses of 1 and 2 mg/kg. Superoxide anion production
Baba Ngom et al.
Archives of microbiology, 197(2), 339-346 (2014-10-29)
In this study, a Candida digboiensis strain was isolated from a heap leaching plant in Zambia and used in double-layer agar plate to efficiently isolate and purify leaching bacteria. Unlike Acidiphilium sp., the yeast strain was tetrathionate tolerant and could
Suresh Babu Palanisamy et al.
Journal of environmental biology, 36(6), 1381-1388 (2015-12-23)
Batch experiments were conducted to examine the efficacy of NaOH activated Codium tomentosum biomass on the sorption of hexavalent chromium. Several influencing parameters like pH, contact time, dosage and initial chromium(VI) concentration was experimented at 20°C. The monolayer sorption capacity
Neila Marouani et al.
Reproductive biology, 12(2), 119-133 (2012-08-02)
Hexavalent chromium is an environmental contaminant which may be associated with reproductive abnormalities in male rats. In the present study, we examined the effect of hexavalent chromium on male reproductive function of rats. Male Wistar rats received a daily intraperitoneal
Anne-Sophie Hanak et al.
Toxicological sciences : an official journal of the Society of Toxicology, 143(1), 185-195 (2014-10-31)
Lithium-induced neurotoxicity may be life threatening. Three patterns have been described, including acute, acute-on-chronic, and chronic poisoning, with unexplained discrepancies in the relationship between clinical features and plasma lithium concentrations. Our objective was to investigate differences in plasma, erythrocyte, cerebrospinal
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