Preferential Adsorption of Hydroxide Ions onto Partially Crystalline NiFe-Layered Double Hydroxides Leads to Efficient and Selective OER in Alkaline Seawater

2021 ◽  
Author(s):  
Qingqing Tu ◽  
Wenwen Liu ◽  
Meng Jiang ◽  
Wenjuan Wang ◽  
Qing Kang ◽  
...  
Keyword(s):  
Layered Double Hydroxides ◽  
Preferential Adsorption ◽  
Double Hydroxides

Preferential Adsorption of Lower-Charge Glutamate Ions on Layered Double Hydroxides: An NMR Investigation

2009 ◽  
Vol 113 (9) ◽  
pp. 3378-3381 ◽  
Author(s):  
Marc X. Reinholdt ◽  
Panakkattu K. Babu ◽  
R. James Kirkpatrick
Keyword(s):  
Layered Double Hydroxides ◽  
Preferential Adsorption ◽  
Lower Charge ◽  
Double Hydroxides

EFFICIENT REMOVAL OF ANIONIC DYE POLLUTANT BY NIMGAL LAYERED DOUBLE HYDROXIDES OF VARIABLE COMPOSITION

2018 ◽  
Vol 1 (4) ◽  
pp. 307-323
Author(s):  
Dipshikha Bharali ◽  
Pankaj Bharali ◽  
Ramesh Ch. Deka
Keyword(s):  
Layered Double Hydroxides ◽  
Variable Composition ◽  
Efficient Removal ◽  
Anionic Dye ◽  
Double Hydroxides

Acceptorless amine dehydrogenation and transamination using Pd-doped layered double hydroxides

2018 ◽  
Author(s):  
Diana Ainembabazi ◽  
Nan An ◽  
Jinesh Manayil ◽  
Kare Wilson ◽  
Adam Lee ◽  
...  
Keyword(s):  
Layered Double Hydroxides ◽  
Oxidation States ◽  
Secondary Amines ◽  
Primary Amines ◽  
Acid Dissolution ◽  
Oxidative Amination ◽  
Strong Function ◽  
Excellent Activity ◽  
High Yields ◽  
Double Hydroxides

<div> <p>The synthesis, characterization, and activity of Pd-doped layered double hydroxides (Pd-LDHs) for for acceptorless amine dehydrogenation is reported. These multifunctional catalysts comprise Brønsted basic and Lewis acidic surface sites that stabilize Pd species in 0, 2+, and 4+ oxidation states. Pd speciation and corresponding cataytic performance is a strong function of metal loading. Excellent activity is observed for the oxidative transamination of primary amines and acceptorless dehydrogenation of secondary amines to secondary imines using a low Pd loading (0.5 mol%), without the need for oxidants. N-heterocycles, such as indoline, 1,2,3,4-tetrahydroquinoline, and piperidine, are dehydrogenated to the corresponding aromatics with high yields. The relative yields of secondary imines are proportional to the calculated free energy of reaction, while yields for oxidative amination correlate with the electrophilicity of primary imine intermediates. Reversible amine dehydrogenation and imine hydrogenation determine the relative imine:amine selectivity. Poisoning tests evidence that Pd-LDHs operate heterogeneously, with negligible metal leaching; catalysts can be regenerated by acid dissolution and re-precipitation.</p> </div> <br>

Carbonate Form of Mg,Al-Layered Double Hydroxides for Concentrating Eu(III) and Its Subsequent Analytical Determination in Natural Aqueous Media

2020 ◽  
Vol 42 (5) ◽  
pp. 365-372
Author(s):  
G. N. Pshinko ◽  
L. N. Puzyrnaya ◽  
V. S. Shunkov ◽  
B. P. Yatsik
Keyword(s):  
Layered Double Hydroxides ◽  
Aqueous Media ◽  
Analytical Determination ◽  
Double Hydroxides

Antibiotic-anionic Clay Matrix Used for Drug Controlled Release

2018 ◽  
Vol 69 (2) ◽  
pp. 321-323
Author(s):  
Georgeta Zegan ◽  
Elena Mihaela Carausu ◽  
Loredana Golovcencu ◽  
Alina Sodor Botezatu ◽  
Eduard Radu Cernei ◽  
...  
Keyword(s):  
Controlled Release ◽  
Layered Double Hydroxides ◽  
Bioactive Molecules ◽  
Drug Controlled Release ◽  
Anionic Clays ◽  
Anionic Clay ◽  
Toxicological Studies ◽  
High Efficient ◽  
Clay Matrix ◽  
Double Hydroxides

Anionic clay matrix acting as drug controlled release system have shown in last years a great potential for delivery of bioactive molecules and chemical therapeutics. This organic-inorganic nanohybrid system is high efficient offering an excellent protection of intercalated compounds from degradation. Compared to other nanoparticles used in medical area, anionic clays type layered double hydroxides have found to be biocompatible according to toxicological studies. Ampicillin containing MgAlLDHs and ZnAlLDH samples have been prepared following two routes: anion-exchange procedure and reconstruction from calcined layered double hydroxides. Solid samples have been characterized by FTIR and SEM-EDX highlighting the alteration of pristine LDHs structure when the antibiotic is introduced in the interlayer gallery.

Layered Double Hydroxides: A Systematic Approach to Investigate the Effect of Mg: Al Ratio on CO2 Capture

2019 ◽  
Author(s):  
Li Anne Cheah ◽  
G.V. Manohara ◽  
M. Mercedes Maroto-Valer ◽  
Susana Garcia
Keyword(s):  
Co2 Capture ◽  
Layered Double Hydroxides ◽  
Systematic Approach ◽  
Double Hydroxides

Nanohybrid Enzymes - Layered Double Hydroxides: Potential Applications

2006 ◽  
Vol 2 (3) ◽  
pp. 283-294 ◽  
Author(s):  
Claude Forano ◽  
Stephanie Vial ◽  
Christine Mousty
Keyword(s):  
Layered Double Hydroxides ◽  
Potential Applications ◽  
Double Hydroxides

Insight into the Fabrication of ZnAl Layered Double Hydroxides Intercalated with Organic Anions and Their Corrosion Protection of Steel Reinforced Concrete

2019 ◽  
Vol 166 (16) ◽  
pp. C617-C623 ◽  
Author(s):  
Yanhui Cao ◽  
Dajiang Zheng ◽  
Jingsong Luo ◽  
Fan Zhang ◽  
Shigang Dong ◽  
...  
Keyword(s):  
Reinforced Concrete ◽  
Corrosion Protection ◽  
Layered Double Hydroxides ◽  
Organic Anions ◽  
Steel Reinforced Concrete ◽  
Double Hydroxides ◽  
Insight Into

Heterostructures of Ce-Ti/layered double hydroxides and the derived MMOs for photoenergy applications

2020 ◽  
Vol 513 ◽  
pp. 145853 ◽  
Author(s):  
Valentina Chivu ◽  
Diana Gilea ◽  
Nicoleta Cioatera ◽  
Gabriela Carja ◽  
Mihaela Mureseanu
Keyword(s):  
Layered Double Hydroxides ◽  
Double Hydroxides
Sign in / Sign up

Export Citation Format

Share Document