Photoinduced Multiple Effects to Enhance Uranium Extraction from Natural Seawater by Black Phosphorus Nanosheets

2019 ◽  
Vol 132 (3) ◽  
pp. 1236-1243 ◽  
Author(s):  
Yihui Yuan ◽  
Biye Niu ◽  
Qiuhan Yu ◽  
Xin Guo ◽  
Zhanhu Guo ◽  
...  
Keyword(s):  
Black Phosphorus ◽  
Natural Seawater ◽  
Uranium Extraction

Photoinduced Multiple Effects to Enhance Uranium Extraction from Natural Seawater by Black Phosphorus Nanosheets

2019 ◽  
Vol 59 (3) ◽  
pp. 1220-1227 ◽  
Author(s):  
Yihui Yuan ◽  
Biye Niu ◽  
Qiuhan Yu ◽  
Xin Guo ◽  
Zhanhu Guo ◽  
...  
Keyword(s):  
Black Phosphorus ◽  
Natural Seawater ◽  
Uranium Extraction

Engineering robust metal–phenolic network membranes for uranium extraction from seawater

2019 ◽  
Vol 12 (2) ◽  
pp. 607-614 ◽  
Author(s):  
Wei Luo ◽  
Gao Xiao ◽  
Fan Tian ◽  
Joseph J. Richardson ◽  
Yaping Wang ◽  
...  
Keyword(s):  
East China Sea ◽  
East China ◽  
Natural Seawater ◽  
The East China Sea ◽  
Uranium Extraction ◽  
China Sea

Biomass-derived membrane used for uranium extraction of natural seawater from the East China Sea through the formation of metal–phenolic networks.

scholarly journals DNA nano-pocket for ultra-selective uranyl extraction from seawater

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Yihui Yuan ◽  
Tingting Liu ◽  
Juanxiu Xiao ◽  
Qiuhan Yu ◽  
Lijuan Feng ◽  
...  
Keyword(s):  
Metal Ion ◽  
High Selectivity ◽  
Natural Seawater ◽  
Carbonyl Groups ◽  
The Sustainable Development ◽  
Uranium Extraction ◽  
Dna Strand ◽  
Specific Metal ◽  
Phosphate Groups ◽  
High Binding Affinity

Abstract Extraction of uranium from seawater is critical for the sustainable development of nuclear energy. However, the currently available uranium adsorbents are hampered by co-existing metal ion interference. DNAzymes exhibit high selectivity to specific metal ions, yet there is no DNA-based adsorbent for extraction of soluble minerals from seawater. Herein, the uranyl-binding DNA strand from the DNAzyme is polymerized into DNA-based uranium extraction hydrogel (DNA-UEH) that exhibits a high uranium adsorption capacity of 6.06 mg g−1 with 18.95 times high selectivity for uranium against vanadium in natural seawater. The uranium is found to be bound by oxygen atoms from the phosphate groups and the carbonyl groups, which formed the specific nano-pocket that empowers DNA-UEH with high selectivity and high binding affinity. This study both provides an adsorbent for uranium extraction from seawater and broadens the application of DNA for being used in recovery of high-value soluble minerals from seawater.

TEM study of a biofilm on copper corrosion

1996 ◽  
Vol 54 ◽  
pp. 220-221
Author(s):  
W. A. Chiou ◽  
N. Kohyama ◽  
B. Little ◽  
P. Wagner ◽  
M. Meshii
Keyword(s):  
Marine Bacterium ◽  
Culture Medium ◽  
Copper Alloys ◽  
Pure Copper ◽  
Localized Corrosion ◽  
Natural Seawater ◽  
Copper Corrosion ◽  
New Approach ◽  
The Past ◽  
Copper Tolerant

The corrosion of copper and copper alloys in a marine environment is of great concern because of their widespread use in heat exchangers and steam condensers in which natural seawater is the coolant. It has become increasingly evident that microorganisms play an important role in the corrosion of a number of metals and alloys under a variety of environments. For the past 15 years the use of SEM has proven to be useful in studying biofilms and spatial relationships between bacteria and localized corrosion of metals. Little information, however, has been obtained using TEM capitalizing on its higher spacial resolution and the transmission observation of interfaces. The research presented herein is the first step of this new approach in studying the corrosion with biological influence in pure copper.Commercially produced copper (Cu, 99%) foils of approximately 120 μm thick exposed to a copper-tolerant marine bacterium, Oceanospirillum, and an abiotic culture medium were subsampled (1 cm × 1 cm) for this study along with unexposed control samples.

Commercial aqueous additives as used eco-friendly corrosion inhibitors for carbon steel in natural seawater

2020 ◽  
Vol 65 (1) ◽  
pp. 77-82
Author(s):  
Simona CAPRARESCU ◽  
◽  
Violeta PURCAR ◽  
Cristina MODROGAN ◽  
◽  
...  
Keyword(s):  
Carbon Steel ◽  
Corrosion Inhibitors ◽  
Natural Seawater

Biomimetic Extracellular Vesicles Embedded with Black Phosphorus for Molecular Recognition-Guided Biomineralization

2018 ◽  
Author(s):  
Yingqian Wang ◽  
Xiaoxia Hu ◽  
Lingling Zhang ◽  
Chunli Zhu ◽  
Jie Wang ◽  
...  
Keyword(s):  
Molecular Recognition ◽  
Extracellular Vesicles ◽  
Inorganic Phosphate ◽  
Physiological Activity ◽  
Medical Engineering ◽  
Matrix Vesicles ◽  
Black Phosphorus ◽  
Photothermal Effect ◽  
Biological Processes ◽  
Extracellular Environment

Extracellular vesicles (EVs) are involved in the regulation of cell physiological activity and the reconstruction of extracellular environment. Matrix vesicles (MVs) are a type of EVs, and they participate in the regulation of cell mineralization. Herein, bioinspired MVs embedded with black phosphorus are functionalized with cell-specific aptamer (denoted as Apt-bioinspired MVs) for stimulating biomineralization. The aptamer can direct bioinspired MVs to targeted cells, and the increasing concentration of inorganic phosphate originated from the black phosphorus can facilitate cell biomineralization. The photothermal effect of the Apt-bioinspired MVs also positively affects mineralization. In addition, the Apt-bioinspired MVs display outstanding bone regeneration performance. Considering the excellent behavior of the Apt-bioinspired MVs for promoting biomineralization, our strategy provides a way of designing bionic tools for studying the mechanisms of biological processes and advancing the development of medical engineering.<br>

TAMARA: a uranium extraction plant for demonstrating computerized control of reprocessing

1975 ◽  
Author(s):  
G. Baumgaertel ◽  
K. Bier ◽  
E. Kuhn ◽  
H. R. Mache ◽  
S. Radik
Keyword(s):  
Extraction Plant ◽  
Uranium Extraction
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