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You searched for: Publication Year 2016 Remove constraint Publication Year: 2016 Subject dietary exposure Remove constraint Subject: dietary exposure Subject catalase Remove constraint Subject: catalase
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1. Effects of Dietary Exposure to Sulfamethazine on the Hematological Parameters and Hepatic Oxidative Stress Biomarkers in Nile Tilapia (Oreochromis niloticus)

Author:
Fernanda Garcia Sampaio; Maria Lídia Carra; Claudio Martin Jonsson; Vitoria Teodoro Gonçalves; Genoefa Dal’Bo; Kátia Santos Damacena Nunes; José Henrique Valim; Bruno Stéfano Lima Dallago; Sonia Claudia do Nascimento de Queiroz; Felix Guillermo Reyes Reyes
Source:
Bulletin of environmental contamination and toxicology 2016 v.97 no.4 pp. 528-535
ISSN:
0007-4861
Subject:
Oreochromis niloticus; biomarkers; body weight; catalase; dietary exposure; fish; fish culture; glutathione transferase; hematologic tests; juveniles; lipid peroxidation; medicated feeds; oral administration; oxidative stress
Abstract:
... Sulfamethazine (SMZ) is one of the most commonly used sulfonamide compounds in fish farming, and its physiological effects on fish are unknown. SMZ was administered to juvenile Nile tilapia (Oreochromis niloticus) at a dose level of 422 mg kg⁻¹ body weight, for a period of 11 days, via medicated feed. Fish were divided into two groups, the control group (CG) and the group fed with SMZ in feed. The ...
DOI:
10.1007/s00128-016-1837-0

2. Effects of human food grade titanium dioxide nanoparticle dietary exposure on Drosophila melanogaster survival, fecundity, pupation and expression of antioxidant genes

Author:
Boris Jovanović; Vladimir J. Cvetković; Tatjana Lj. Mitrović
Source:
Chemosphere 2016 v.144 pp. 43-49
ISSN:
0045-6535
Subject:
Drosophila melanogaster; adults; antioxidants; catalase; dietary exposure; fecundity; fruit flies; gene expression; gene expression regulation; genes; humans; larvae; mutants; nanogold; nanoparticles; oxidative stress; phenotype; pupation; stress response; superoxide dismutase; titanium dioxide; toxicity
Abstract:
... The fruitfly, Drosophila melanogaster was exposed to the human food grade of E171 titanium dioxide (TiO2). This is a special grade of TiO2 which is frequently omitted in nanotoxicology studies dealing with TiO2, yet it is the most relevant grade regarding oral exposure of humans. D. melanogaster larvae were exposed to 0.002 mg mL−1, 0.02 mg mL−1, 0.2 mg mL−1, and 2 mg mL−1 of TiO2 in feeding mediu ...
DOI:
10.1016/j.chemosphere.2015.08.054

3. A low level of dietary selenium has both beneficial and toxic effects and is protective against Cd-toxicity in the least killifish Heterandria formosa

Author:
Lingtian Xie; Xing Wu; Hongxing Chen; Wu Dong; Alfy Morales Cazan; Paul L. Klerks
Source:
Chemosphere 2016 v.161 pp. 358-364
ISSN:
0045-6535
Subject:
Heterandria formosa; cadmium; catalase; diet; dietary exposure; fish; lipid peroxidation; protective effect; selenites; selenium; selenomethionine; thiobarbituric acid-reactive substances; toxicity
Abstract:
... As an essential element, selenium (Se) is beneficial at low levels yet toxic at high levels. The present study assessed the effects of dietary exposure to Se in the least killifish Heterandria formosa, and investigated how this exposure influences the effects of a subsequent exposure to cadmium (Cd). The fish were pre-exposed to an environmentally relevant concentration (2 μg g−1 dry wt) of dietar ...
DOI:
10.1016/j.chemosphere.2016.07.035