Results 61 to 70 of about 2,878,555 (144)

Evaluation of Aspergillus tamarii NRC 3 biomass as a biosorbent for removal and recovery of heavy metals from contaminated aqueous solutions

Bulletin of the National Research Centre, 2019
Background Biomass produced as a byproduct from the β-mannanase production process by Aspergillus tamarii NRC 3was evaluated as a biosorbent for the removal and recovery of some heavy metal ions.
Abdelnaby Mahmoud Saad, Moataza Mahmoud Saad, Nevin Ahmed Ibrahim, Doaa El-Hadedy, Eman Ibrahim Ibrahim, Al Zahraa Karam El-Din, Helmy Mohamed Hassan   +6 more
doaj   +1 more source

Role of metal ions dyshomeostasis in neurodegeneration [PDF]

, 2013
In the present study metal ions role in neurodegenerative processes has been investigated. Two major pathways have been developed: 1) metal ions role in β-amyloid (Aβ folding and deposition from in vitro to in vivo; 2) calcium dyshomeostasis in an in ...
Granzotto, Alberto
core  

The cell wall functions in plant heavy metal response

Ecotoxicology and Environmental Safety
Nonessential metals (e.g., cadmium (II), etc) and essential heavy metals (e.g., copper (II), etc) are both toxic for plants at high concentrations. The plant cell wall, which consists of pectin, cellulose, hemicellulose, lignin and proteins, acts as the ...
Zhuowei Cheng, Chenyu Wang, Fan Tang, Yifeng Zhou, Cheng Zhu, Yanfei Ding   +5 more
doaj   +1 more source

Heavy Metal Removal by Bioaccumulation Using Genetically Engineered Microorganisms

Frontiers in Bioengineering and Biotechnology, 2018
Wastewater effluents from mines and metal refineries are often contaminated with heavy metal ions, so they pose hazards to human and environmental health.
Patrick Diep, Radhakrishnan Mahadevan, Alexander F. Yakunin   +2 more
doaj   +1 more source

Biosorption of heavy metal ions from contaminated wastewater: an eco-friendly approach

Green Chemistry Letters and Reviews
Several industries such as leather tanning, coal mining, steel and metal processing are responsible for heavy metals contamination in water. Heavy metals contamination in water can have harmful effects on both aquatic and terrestrial animals by entering ...
Shijie Xie
doaj   +1 more source

Efficient heavy metal ion removal by fluorographene nanochannel templated molecular sieve: a molecular dynamics simulation study

Scientific Reports
Environmental water contamination, particularly by heavy metal ions, has emerged as a worldwide concern due to their non-biodegradable nature and propensity to accumulate in soil and living organisms, posing a significant risk to human health. Therefore,
Youguan Ou, Zonglin Gu, Yuqi Luo
doaj   +1 more source

Modulation of nonlinear optical response of doped SiO2 gel glasses by metal ion radii

Gongneng cailiao yu qijian xuebao
Heavy metals and their compounds exhibit advantageous properties in the field of nonlinear optics, including high polarizability, broadband response, and tunability.
Tingting WANG, Rongsheng WU, Lihua HU
doaj   +1 more source

Combined Еffects of Heavy Metal Ions (Fe3+-Cu2+, Fe3+-Zn2+, Fe3+-Cr3+, Cu2+-Zn2+, Cu2+-Cr3+ and Zn2+-Cr3+) on the Productivity of Biogas and Biomethane Production

Innovative Biosystems and Bioengineering
. Background. Determining the effect of combined metal action on the anaerobic microbial association during the fermentation process and methane production. Objective. To investigate the effect of the simultaneous interaction of heavy metal ions (Zn–Fe,
Andriy Shynkarchuk, Natalia Golub, Malvina Kozlovets, Olexander Kozlovets, Martins Dombrovskis   +4 more
doaj   +1 more source

Determination of heavy metal ions by capillary electrophoresis with contactless conductivity detection after field-amplified sample injection

, 2005
A method has been developed for determining of heavy metal ions by field-amplified sample injection capillary electrophoresis with contactless conductivity detection.
Tan, F, Guan, YF, Yang, BC, 关亚风
core  

Sorption Mechanism of Lead Ions From Aqueous Solution By Imperata Cylindrica Dried Leaf Particle: Effect of Temperatures [PDF]

, 2012
This study was conducted to investigate the sorption mechanism of Pb2+ ions from aqueous solution onto Imperata cylindrica (IC) dried leaf particles. The effect of temperatures (30, 35 and 40oC) was scrutinised from a batch adsorption system using a ...
Kumoro, A.C.
core   +1 more source