scholarly journals Cover Feature: Boosting the Supercapacitive Behavior of CoAl Layered Double Hydroxides via Tuning the Metal Composition and Interlayer Space (Batteries & Supercaps 6/2020)

2020 ◽  
Vol 3 (6) ◽  
pp. 471-471
Author(s):  
Alvaro Seijas‐Da Silva ◽  
Roger Sanchis‐Gual ◽  
Jose A. Carrasco ◽  
Víctor Oestreicher ◽  
Gonzalo Abellán ◽  
...  
Keyword(s):  
Layered Double Hydroxides ◽  
Interlayer Space ◽  
Metal Composition ◽  
Double Hydroxides

scholarly journals Boosting the Supercapacitive Behavior of CoAl Layered Double Hydroxides via Tuning the Metal Composition and Interlayer Space

2020 ◽  
Vol 3 (6) ◽  
pp. 499-509 ◽  
Author(s):  
Alvaro Seijas‐Da Silva ◽  
Roger Sanchis‐Gual ◽  
Jose A. Carrasco ◽  
Víctor Oestreicher ◽  
Gonzalo Abellán ◽  
...  
Keyword(s):  
Layered Double Hydroxides ◽  
Interlayer Space ◽  
Metal Composition ◽  
Double Hydroxides

Thermogravimetric analysis of layered double hydroxides with chloramphenicol and salicylate in the interlayer space

2008 ◽  
Vol 93 (2) ◽  
pp. 373-379 ◽  
Author(s):  
Mihaela Frunza ◽  
Gabriela Lisa ◽  
M. I. Popa ◽  
N. D. Miron ◽  
Denisa Ileana Nistor
Keyword(s):  
Thermogravimetric Analysis ◽  
Layered Double Hydroxides ◽  
Interlayer Space ◽  
Double Hydroxides

scholarly journals Influence of the Interlayer Space on the Water Oxidation Performance in a Family of Surfactant-Intercalated NiFe-Layered Double Hydroxides

2019 ◽  
Vol 31 (17) ◽  
pp. 6798-6807 ◽  
Author(s):  
Jose A. Carrasco ◽  
Roger Sanchis-Gual ◽  
Alvaro Seijas-Da Silva ◽  
Gonzalo Abellán ◽  
Eugenio Coronado
Keyword(s):  
Layered Double Hydroxides ◽  
Water Oxidation ◽  
Interlayer Space ◽  
Oxidation Performance ◽  
Double Hydroxides

scholarly journals Effect of Chain Length and Functional Group of Organic Anions on the Retention Ability of MgAl- Layered Double Hydroxides for Chlorinated Organic Solvents

2019 ◽  
Vol 3 (4) ◽  
pp. 89 ◽  
Author(s):  
Karen Maria Dietmann ◽  
Tobias Linke ◽  
Raquel Trujillano ◽  
Vicente Rives
Keyword(s):  
Chain Length ◽  
Organic Solvents ◽  
Layered Double Hydroxides ◽  
Functional Group ◽  
Interlayer Space ◽  
Organic Anions ◽  
Batch Experiments ◽  
Swelling Properties ◽  
Chlorinated Organic ◽  
Double Hydroxides

Nowadays, the contamination of groundwater and soils by chlorinated organic solvents is a severe and worldwide problem. Due to their swelling properties, Layered Double Hydroxides (LDHs) are potentially excellent compounds to retain chlorinated organic solvents from aquifers. By intercalating organic anions, the polarity of the interlayer space can be changed from hydrophilic to hydrophobic, enhancing the adsorption of chloro-organic molecules onto the alkyl chains of intercalated organic anions. In this study, organically modified LDHs were synthesized and their efficiency was tested in batch experiments with three different chlorinated organic solvents, namely trichloroethylene, 1,1,2-trichloroethane and trichloromethane (chloroform), to examine the influence of the chain length and the functional group of the intercalated organic anion upon the retention ability of a LDH due to different electronic interactions and different sizes of the interlayer space. All synthesized and used samples were characterized using powder X-ray diffraction, thermal analysis coupled with mass spectrometry and Fourier-transform infrared spectroscopy; freshly synthesized materials were additionally analyzed regarding their particle size distribution and specific surface area. Results of the batch experiments showed that only LDHs with intercalated long-chain organic anions could be efficient adsorbents for the removal of chlorinated organic solvents from contaminated water. A selective efficiency towards 1,1,2-trichloroethane and trichloromethane can be proposed for these reactants.

Self-assembled Nanomaterials Type Layered Double Hydroxides Antibiotics Used as Drug Delivery Vectors

2017 ◽  
Vol 68 (11) ◽  
pp. 2542-2545 ◽  
Author(s):  
Letitia Doina Duceac ◽  
Liviu Stafie ◽  
Elena Ariela Banu ◽  
Oana Paduraru ◽  
Gabriela Calin ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Layered Double Hydroxides ◽  
Drug Concentration ◽  
Interlayer Space ◽  
Drug Controlled Release ◽  
Long Time ◽  
Self Assembled ◽  
Double Hydroxides ◽  
Antibacterial Factor

Due to their biocompatibility, nanomaterials type layered double hydroxides (LDHs) development has attracted many researchers attention especially in medical area using them as drug delivery vectors. Their efficiency is due to the drug controlled release from the interlayer space of LDHs matrices. The controlled drug delivery characteristic is due to the reduction of drug concentration variations and maintains the desired level of drug concentration for long time. Furthermore, this action limits adverse effects and reduces the therapy duration, enhancing bactericidal activity and leading to an effective treatment. This work highlights the synthesis and characterization of hybrid structures type LDHs- tobramycin having application as antibacterial factor against Pseudomonas aeruginosa. The obtained self-assembled structures were morphologically characterized in order to point out the drug-interlayered products. Results indicate superior properties of MgAlLDHs and ZnAlLDHs behaving as host for a wide variety of molecules generally and, in our case, for tobramycin as guest.

Adsorption and intercalation of Acid Blue 9 on Mg–Al layered double hydroxides of variable metal composition

Polyhedron ◽  
2007 ◽  
Vol 26 (14) ◽  
pp. 3479-3490 ◽  
Author(s):  
Anthony R. Auxilio ◽  
Philip C. Andrews ◽  
Peter C. Junk ◽  
Leone Spiccia ◽  
Daniel Neumann ◽  
...  
Keyword(s):  
Layered Double Hydroxides ◽  
Metal Composition ◽  
Double Hydroxides ◽  
Acid Blue

scholarly journals Development of approaches to the formation of platinum centers with given properties using carriers with a layered structure

2019 ◽  
Vol 62 (1-2) ◽  
pp. 24-38
Author(s):  
O. Belskaya ◽  
V. Likholobov
Keyword(s):  
Chemical Composition ◽  
Layered Double Hydroxides ◽  
Layered Structure ◽  
Active Component ◽  
Interlayer Space ◽  
Supported Catalysts ◽  
Acid Base ◽  
Cationic Composition ◽  
Supported Platinum ◽  
Double Hydroxides

Specific properties of layered double hydroxides (LDH), directions of their use as supports and supports precursors for catalysts synthesis and the advantages of such catalysts in reactions of various types are considered. The ability to vary LDH the chemical composition (cationic layers, interlayer space) without destroying the structure of the material makes it possible to regulate its adsorption and acid-base properties, selectively realize various mechanisms for fixing the precursor of the active component to obtain highly disperse and stable supported catalysts. Approaches to the formation of particles of supported platinum with desired properties through changes in the anionic and cationic composition of LDH, using as an example the system Pt/MgAl(M)-LDH are proposed.

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