Results 11 to 20 of about 210,511 (271)

Seaweed polysaccharide relieves hexavalent chromium-induced gut microbial homeostasis [PDF]

Frontiers in Microbiology, 2023
Heavy metals released in the environment pose a huge threat to soil and water quality, food safety and public health. Additionally, humans and other mammals may also be directly exposed to heavy metals or exposed to heavy metals through the food chain ...
Jinghao Mu, Jinghao Mu, Zhenhuan Guo, Xiujun Wang, Xuefei Wang, Yunxing Fu, Xianghui Li, Fuli Zhu, Guangyuan Hu, Xia Ma   +9 more
doaj   +3 more sources

A new method in estimation of total hexavalent chromium in Portland pozzolan cement [PDF]

Materiales de Construccion, 2017
Variamine blue was used first time for the detection of hexavalent chromium from cement samples. In present method, cement was treated sequentially with water, sulphate and carbonate buffer to extract soluble, sparingly soluble and insoluble hexavalent ...
R. Sharma, D. K. Sharma
doaj   +3 more sources

Modeling of Hexavalent Chromium Removal with Hydrophobically Modified Cellulose Nanofibers [PDF]

, 2022
Cellulose nanofibers (CNF) are sustainable nanomaterials, obtained by the mechanical disintegration of cellulose, whose properties make them an interesting adsorbent material due to their high specific area and active groups.
Merayo Cuevas, Noemí, Balea Martín, Ana, Negro Álvarez, Carlos Manuel, Ojembarrena Jiménez, Francisco De Borja, Mateo, Sergio, Blanco Suárez, María Ángeles, Sánchez Salvador, José Luis   +6 more
core   +2 more sources

Removal of Hexavalent Chromium(VI) from Wastewater Using Chitosan-Coated Iron Oxide Nanocomposite Membranes

Toxics, 2022
Chromium is a toxic and carcinogenic heavy metal that originates from various human activities. Therefore, the effective removal of chromium from aqueous solutions is an extremely important global challenge. Herein, we report a chitosan-coated iron oxide
J. Park, Jun-Ho Shin, W. Oh, Sang-June Choi, J. Kim, C. Kim, Jongho Jeon   +6 more
semanticscholar   +1 more source

Occupational exposure to hexavalent chromium. Part I. Hazard assessment of non-cancer health effects.

Regulatory toxicology and pharmacology : RTP, 2021
Hexavalent chromium (Cr(VI)) compounds have been studied extensively and several agencies have described their toxicological profile. In the past, personnel of the Dutch Ministry of Defence may have been exposed to Cr(VI) during maintenance activities ...
E. Hessel, Y. Staal, A. Piersma, Shalenie P. den Braver-Sewradj, J. Ezendam   +4 more
semanticscholar   +1 more source

Occupational exposure to hexavalent chromium. Part II. Hazard assessment of carcinogenic effects.

Regulatory toxicology and pharmacology : RTP, 2021
Hexavalent chromium (Cr(VI)) compounds have been studied extensively and several agencies have described their toxicological profile. In the past, personnel of the Dutch Ministry of Defence may have been exposed to Cr(VI) during maintenance activities on
Shalenie P. den Braver-Sewradj, J. van Benthem, Y. Staal, J. Ezendam, A. Piersma, E. Hessel   +5 more
semanticscholar   +1 more source

Adsorption of hexavalent chromium from aqueous stream by maghemite nanoparticles synthesized by the microemulsion method

Energy Nexus, 2022
The magnetic nanoparticles maghemite were synthesized by the co-precipitation reaction and then used for the removal of hexavalent chromium from the synthetic aqueous stream.
Jaydeep M. Barad, Himanshu P. Kohli, Mousumi Chakraborty   +2 more
doaj   +1 more source

Removal of Hexavalent Chromium by Chitosan-Based Adsorbents [PDF]

, 2021
As a transition metal widely used in industry, chromium has important application value, but excessive chromium will pollute water and soil and endanger the environment and human health.
Yu, Sheng, Chang, Jinming, Peng, Xin, Wang, Jinglei   +3 more
core   +2 more sources

Toxic Effects on Oxidative Stress, Neurotoxicity, Stress, and Immune Responses in Juvenile Olive Flounder, Paralichthys olivaceus, Exposed to Waterborne Hexavalent Chromium

Biology, 2022
Simple Summary Metals such as chromium can be exposed at high levels in the marine environment, and exposure to these heavy metals can have a direct effect on marine organisms.
Ju-Wook Lee, Jun-Hwan Kim, D. Lee, H. Lim, Ju-Chan Kang   +4 more
semanticscholar   +1 more source

The Effect of Sodium Selenite and Vitamin A on FSH and LH Level in Albino Male Mice treated with Hexavalent Chromium

مجلة بغداد للعلوم, 2014
The present expermint was designed to determine the effect of Sodium Selenite (0.5 mg/kg) and Vitamin A (10 mg/kg) in FSH and LH level in Albino Male Mice treated with Hexavalent Chromium (1000 ppm).
Baghdad Science Journal
doaj   +1 more source