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34 Results Found

  • Review
  • Open Access
131 Citations
24,690 Views
22 Pages

Layered Double Hydroxide Materials: A Review on Their Preparation, Characterization, and Applications

  • Jitendra Kameliya,
  • Aazad Verma,
  • Partha Dutta,
  • Charu Arora,
  • Shweta Vyas and
  • Rajender S. Varma

Layered double hydroxides (LDHs), a type of synthetic clay with assorted potential applications, are deliberated upon in view of their specific properties, such as adsorbent-specific behavior, biocompatibility, fire-retardant capacity, and catalytic...

  • Hypothesis
  • Open Access
8 Citations
6,136 Views
11 Pages

15 February 2019

A mixture of sugar diphosphates is produced in reactions between small aldehyde phosphates catalysed by layered double hydroxide (LDH) clays under plausibly prebiotic conditions. A subset of these, pentose diphosphates, constitute the backbone subuni...

  • Review
  • Open Access
149 Citations
20,680 Views
16 Pages

Morphologies, Preparations and Applications of Layered Double Hydroxide Micro-/Nanostructures

  • Ye Kuang,
  • Lina Zhao,
  • Shuai Zhang,
  • Fazhi Zhang,
  • Mingdong Dong and
  • Sailong Xu

9 December 2010

Layered double hydroxides (LDHs), also well-known as hydrotalcite-like layered clays, have been widely investigated in the fields of catalysts and catalyst support, anion exchanger, electrical and optical functional materials, flame retardants and na...

  • Article
  • Open Access
1,031 Views
25 Pages

Evaluation of Layered Structures Impregnated with Fe or Cu as Catalysts in a Fenton-like Process for the Removal of 17α-Ethinylestradiol in Aqueous Solution: Operational Parameters and Ecotoxicity

  • Lorena Lugo,
  • Camilo Venegas,
  • John Díaz,
  • Sergio Alberto Díaz-Gallo,
  • Alejandra Barriga,
  • Fidson-Juarismy Vesga,
  • Sonia Moreno,
  • Crispín Celis-Zambrano and
  • Alejandro Pérez-Flórez

2 April 2025

Endocrine disruptors such as 17α-ethinylestradiol pose significant ecological risks in aquatic environments. This study assessed the catalytic performance of Fe- and Cu-impregnated delaminated clays (DCs) and layered double hydroxides (LDHs) in...

  • Review
  • Open Access
35 Citations
6,812 Views
16 Pages

22 March 2022

As is well known, hydrotalcite-like compounds, such as layered-double-hydroxide (LDH) materials, have shown great potential applications in many fields owing to their unique characteristics, including a higher anion exchange capacity, a structure mem...

  • Review
  • Open Access
52 Citations
6,011 Views
23 Pages

Recent Advances on the Application of Layered Double Hydroxides in Concrete—A Review

  • Zahid M. Mir,
  • Alexandre Bastos,
  • Daniel Höche and
  • Mikhail L. Zheludkevich

20 March 2020

The issue of chloride induced corrosion of reinforced concrete is a serious problem affecting infrastructure globally and causing huge economic losses. As such this issue has gained a considerable attention in the scientific community in the recent p...

  • Review
  • Open Access
9 Citations
3,011 Views
19 Pages

6 October 2022

Clay-based bio-inorganic nanohybrids, such as layered double hydroxides (LDH), have been extensively researched in the various fields of biomedicine, particularly for drug delivery and bio-imaging applications. Recent trends indicate that such two-di...

  • Review
  • Open Access
69 Citations
7,630 Views
39 Pages

Effect of LDHs and Other Clays on Polymer Composite in Adsorptive Removal of Contaminants: A Review

  • Maleshoane Mohapi,
  • Jeremia Shale Sefadi,
  • Mokgaotsa Jonas Mochane,
  • Sifiso Innocent Magagula and
  • Kgomotso Lebelo

22 October 2020

Recently, the development of a unique class of layered silicate nanomaterials has attracted considerable interest for treatment of wastewater. Clean water is an essential commodity for healthier life, agriculture and a safe environment at large. Laye...

  • Article
  • Open Access
10 Citations
2,796 Views
14 Pages

Novel Nanocomposites Based on Bacterial Polyester/LDH-SDS Clay for Stem Cells Delivery in Modern Wound Healing Management

  • Eugeniu Vasile,
  • Ionut-Cristian Radu,
  • Bianca Galateanu,
  • Maria Rapa,
  • Ariana Hudita,
  • Dana Jianu,
  • Paul-Octavian Stanescu,
  • Horia Cioflan and
  • Catalin Zaharia

10 October 2020

Nanocomposite materials based on poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBHV) and modified mineral clay layered double hydroxides (LDH-SDS) were explored as novel nanostructured materials for potential tissue engineering applications. The min...

  • Article
  • Open Access
5 Citations
4,839 Views
13 Pages

13 April 2020

Streptococcus parauberis is utilized as an oral vaccine by first inactivating the cells with formalin to produce formalin- killed cells (FKC) and then encapsulating them with polymer beads consisting of a cross-linked alginate-Ca2+ network. The encap...

  • Review
  • Open Access
53 Citations
14,291 Views
18 Pages

6 April 2010

Recent studies on the intercalation and exfoliation of layered clays with polymeric intercalating agents involving poly(oxypropylene)-amines and the particular uses for epoxy nanocomposites are reviewed. For intercalation, counter-ionic exchange reac...

  • Review
  • Open Access
7 Citations
2,410 Views
17 Pages

LDH-Based Voltammetric Sensors

  • Domenica Tonelli,
  • Matteo Tonelli,
  • Stefano Gianvittorio and
  • Andreas Lesch

Layered double hydroxides (LDHs), also named hydrotalcite-like compounds, are anionic clays with a lamellar structure which have been extensively used in the last two decades as electrode modifiers for the design of electrochemical sensors. These mat...

  • Review
  • Open Access
217 Citations
23,233 Views
35 Pages

Biocompatible clay materials have attracted particular attention as the efficient drug delivery systems (DDS). In this article, we review developments in the use of layered double hydroxides (LDHs) for controlled drug release and delivery. We show ho...

  • Feature Paper
  • Article
  • Open Access
9 Citations
4,030 Views
16 Pages

Hydrotalcite is the name of a mineral discovered in Sweden in 1842 whose formula is Mg6Al2(OH)16CO3·4H2O and presents a layered crystal structure that consists of positively charged hydroxide layers neutralized by interlayer anions as carbonat...

  • Article
  • Open Access
12 Citations
3,603 Views
15 Pages

15 September 2020

Inspired by complexation and mussel adhesion of catechol groups in tannic acid (TA), organophilic layered double hydroxides (LDHs@TA-Ti) were synthesized by forming a one-pot assembled TA-titanium (Ti) dual network coating on the surface of layered c...

  • Article
  • Open Access
19 Citations
4,117 Views
11 Pages

12 January 2021

The exfoliation ability of nitrate based Mg1−xAlx(OH)2(NO3)x·mH2O layered double hydroxides (Mg-Al LDH) in formamide into single or multilayer nanosheets depends strongly on nitrate anion orientation and layer charge. Our systematic stud...

  • Article
  • Open Access
63 Citations
9,816 Views
14 Pages

Degradability Enhancement of Poly(Lactic Acid) by Stearate-Zn3Al LDH Nanolayers

  • Mahboobeh Eili,
  • Kamyar Shameli,
  • Nor Azowa Ibrahim and
  • Wan Md Zin Wan Yunus

26 June 2012

Recent environmental problems and societal concerns associated with the disposal of petroleum based plastics throughout the world have triggered renewed efforts to develop new biodegradable products compatible with our environment. This article descr...

  • Article
  • Open Access
33 Citations
4,157 Views
18 Pages

28 April 2019

Industrial wastewaters often contain mobile and toxic anions that cannot be removed by precipitation techniques and most known adsorbents. Layered double hydroxides (LDH) are excellent scavengers of anions; however, their use in real applications is...

  • Article
  • Open Access
3 Citations
2,811 Views
21 Pages

Development, Analytical Characterization, and Bioactivity Evaluation of Boswellia serrata Extract-Layered Double Hydroxide Hybrid Composites

  • Stefania Cometa,
  • Francesco Busto,
  • Andrea Castellaneta,
  • Andrea Cochis,
  • Ziba Najmi,
  • Rosanna Rizzi,
  • Ilario Losito and
  • Elvira De Giglio

5 September 2023

Boswellia serrata Roxb. extract (BSE), rich in boswellic acids, is well known as a potent anti-inflammatory natural drug. However, due to its limited aqueous solubility, BSE inclusion into an appropriate carrier, capable of improving its release in t...

  • Article
  • Open Access
13 Citations
3,759 Views
15 Pages

27 April 2020

Poly(lactic acid) (PLA) represents one of the most promising and attractive bio-based polymers for green packaging. However, toughness, gas barrier and antibacterial properties of pure PLA films cannot compete with those of traditional petroleum-base...

  • Review
  • Open Access
61 Citations
8,708 Views
20 Pages

13 March 2021

Layered double hydroxides (LDHs) are anionic clays which have found applications in a wide range of fields, including electrochemistry. In such a case, to display good performances they should possess electrical conductivity which can be ensured by t...

  • Article
  • Open Access
5 Citations
8,096 Views
31 Pages

In Situ Hybridization of Pulp Fibers Using Mg-Al Layered Double Hydroxides

  • Carl-Erik Lange,
  • Mika Lastusaari,
  • Mehedi Reza,
  • Seyed Kourosh Latifi,
  • Pasi Kallio and
  • Pedro Fardim

29 April 2015

Inorganic Mg2+ and Al3+ containing layered double hydroxide (LDH) particles were synthesised in situ from aqueous solution onto chemical pulp fibers of pine (Pinus sylvestris). High super saturated (hss) solution with sodium carbonate produced LDH pa...

  • Article
  • Open Access
7 Citations
3,068 Views
14 Pages

The burgeoning need to study the applications of nanoparticles (NPs) in biomedical and pharmaceutical fields requires an understanding of their interactions with lipid membranes for further in vivo studies. In this paper, negatively charged egg yolk...

  • Feature Paper
  • Article
  • Open Access
4 Citations
3,710 Views
12 Pages

Preparation of Synthetic Clays to Remove Phosphates and Ibuprofen in Water

  • Rosa Devesa-Rey,
  • Jesús del Val,
  • Jorge Feijoo,
  • José P. González-Coma,
  • Gonzalo Castiñeira and
  • Lorena González-Gil

30 August 2021

The main objective of this study consists in the synthesis of a layered double hydroxide (LDH) clay doped with magnesium and aluminum in order to test the removal of phosphates and ibuprofen in water. Two different LDH composites are assessed: oven-d...

  • Article
  • Open Access
19 Citations
3,629 Views
15 Pages

18 April 2022

Herein, magnesium/aluminum-layered double hydroxide (MgAl-LDH) and bentonite (BT) nanocomposites (LDH–BT) were prepared by co-precipitation (CP), exfoliation–reassembly (ER), and simple solid-phase hybridization (SP). The prepared LDH&nda...

  • Article
  • Open Access
14 Citations
2,986 Views
17 Pages

29 September 2020

Mycotoxins in feed and food are highly toxic and pose a serious danger even at very low concentrations. The use of bentonites in animal diet can reduce toxin bioavailability. However, some mycotoxins like fumonisin B1 (FB1) form anionic species which...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,400 Views
12 Pages

Improving Nitrate Fertilization by Encapsulating Zn-Al Layered Double Hydroxides in Alginate Beads

  • Vander L. N. Nunes,
  • Richard L. Mulvaney,
  • Reinaldo B. Cantarutti,
  • Frederico G. Pinto and
  • Jairo Tronto

13 October 2020

Layered double hydroxides (LDH) are anionic clays that have potential as slow-release fertilizers; however, their formulation as powders makes them difficult to apply, and their slow-release properties are impaired due to instability under acidic con...

  • Article
  • Open Access
4 Citations
1,911 Views
19 Pages

Structural and Vibrational Properties of Carboxylates Intercalated into Layered Double Hydroxides: A Joint Computational and Experimental Study

  • Vishal K. Porwal,
  • Erwan André,
  • Antoine Carof,
  • Adolfo Bastida Pascual,
  • Cédric Carteret and
  • Francesca Ingrosso

18 April 2024

Layered double hydroxides (LDHs) are fascinating clay-like materials that display versatile properties, making them an extremely fertile playground for diverse applications, ranging from bio-compatible materials to the pharmaceutical industry to cata...

  • Article
  • Open Access
1 Citations
1,403 Views
26 Pages

Advanced Nanobiocomposite Hydrogels Incorporating Organofunctionalized LDH for Soft Tissue Engineering Applications

  • Ionut-Cristian Radu,
  • Eugenia Tanasa,
  • Sorina Dinescu,
  • George Vlasceanu and
  • Catalin Zaharia

19 February 2025

Nanocomposite hydrogels are gaining significant attention for biomedical applications in soft tissue engineering due to the increasing demand for highly flexible and durable soft polymer materials. This research paper focused on investigating and opt...

  • Article
  • Open Access
21 Citations
3,898 Views
19 Pages

LDH Nanocubes Synthesized with Zeolite Templates and Their High Performance as Adsorbents

  • Moftah Essa Elkartehi,
  • Rehab Mahmoud,
  • Nabila Shehata,
  • Ahmed Farghali,
  • Shimaa Gamil and
  • Amal Zaher

7 December 2021

In this work, the efficiency of the adsorptive removal of the organic cationic dye methylene blue (MB) from polluted water was examined using three materials: natural clay (zeolite), Zn-Fe layered double hydroxide (LDH), and zeolite/LDH composite. Th...

  • Article
  • Open Access
7 Citations
5,547 Views
21 Pages

15 January 2025

The plant pathogenic fungus Botrytis cinerea causes significant losses in agricultural production and it is rather difficult to control due to its broad host range and environmental persistence. The management of gray mold disease is still mainly bas...

  • Article
  • Open Access
12 Citations
4,092 Views
15 Pages

Sustainable Ecocements: Chemical and Morphological Analysis of Granite Sawdust Waste as Pozzolan Material

  • Santiago Yagüe,
  • Cristina González Gaya,
  • Victor Rosales Prieto and
  • Alberto Sánchez Lite

3 November 2020

The processes focused on stone cutting generate a large volume of waste. Small size waste, silt/clay, is not used and goes to landfill. However, the composition of these wastes makes them useful for adding to cements and for use in construction. In t...

  • Article
  • Open Access
41 Citations
4,083 Views
16 Pages

Adsorption of Phenol from Wastewater Using Calcined Magnesium-Zinc-Aluminium Layered Double Hydroxide Clay

  • Lehlogonolo Tabana,
  • Shepherd Tichapondwa,
  • Frederick Labuschagne and
  • Evans Chirwa

22 May 2020

The presence of priority and emerging aromatic-based pollutants in water sources is of growing concern as they are not bioavailable and are present in reuse plant feed streams. These pollutants have known mutagenic and carcinogenic effects and must t...

  • Review
  • Open Access
7 Citations
11,711 Views
29 Pages

Liquid Nanoclay: Synthesis and Applications to Transform an Arid Desert into Fertile Land

  • Kamel A. Abd-Elsalam,
  • Mirza Abid Mehmood,
  • Muhammad Ashfaq,
  • Toka E. Abdelkhalek,
  • Rawan K. Hassan and
  • Mythili Ravichandran

Nanoclay, a processed clay, is utilized in numerous high-performance cement nanocomposites. This clay consists of minerals such as kaolinite, illite, chlorite, and smectite, which are the primary components of raw clay materials formed in the presenc...