OOIR: Observatory of International Research

Papers

(The TQCC of Clays and Clay Minerals is 4. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-04-01 to 2024-04-01.)

Article	Citations
Clay Minerals as the Key to the Sequestration of Carbon in Soils	52
Organo-Modification of Montmorillonite	37
Comprehensive Examination of Dehydroxylation of Kaolinite, Disordered Kaolinite, and Dickite: Experimental Studies and Density Functional Theory	37
Clays in Cosmetics and Personal-Care Products	17
Modification of Halloysite Nanotubes for Enhancement of Gas-Adsorption Capacity	16
The Potential Use of Clay-Fly Ash Geopolymer in the Design of Active-Passive Liners: A Review	14
Synthesis of Zeolite Nay From Dealuminated Metakaolin as Ni Support for Co₂ Hydrogenation to Methane	13
Thermal Behavior of Pyrophyllite Ore during Calcination for Thermal Activation for Aluminum Extraction by Acid Leaching	13
High-Temperature, Resistant, Argillite-Based, Alkali-Activated Materials with Improved Post-Thermal Treatment Mechanical Strength	12
Solubility of Calcined Kaolinite, Montmorillonite, and Illite in High Molar NaOH and Suitability as Precursors for Geopolymers	12
Purification of Turkish Bentonites and Investigation of the Contact Angle, Surface Free Energy and Zeta Potential Profiles of Organo-Bentonites as a Function of CTAB Concentration	11
Halloysite-Based Nanosystems for Biomedical Applications	11
Energy Modeling of Competition Between Tubular and Platy Morphologies of Chrysotile and Halloysite Layers	11
Functional Montmorillonite/Polymer Coatings	11
Surface and Structural Properties of Clay Materials Based on Natural Saponite	11
Solubility of Precursors and Carbonation of Waterglass-Free Geopolymers	10
Effect of the SiO₂/Al₂O₃ Molar Ratio on the Microstructure and Properties of Clay-based Geopolymers: A Comparative Study of Kaolinite-based and Halloysite-based Geopol	10
Composite Biodegradable Polymeric Matrix Doped With Halloysite Nanotubes for the Repair of Bone Defects in Dogs	10
New Insight into the Relationships Between Structural and Ftir Spectroscopic Features of Kaolinites	10
Adsorption of Bisphenol A from Aqueous Solution by HDTMA-Tunisian Clay Synthesized Under Microwave Irradiation: A Parametric and Thermodynamic Study	9
Analysis of the Mineral Compositions of Swell-Shrink Clays From Guangxi Province, China	9
Dissolution Rates of Allophane With Variable Fe Contents: Implications for Aqueous Alteration and the Preservation of X-Ray Amorphous Materials on Mars	9
Benefits and Risks of Clays and Clay Minerals to Human Health From Ancestral to Current Times: A Synoptic Overview	9
Mineralogy, Geochemistry, and Genesis of Kaolinitic Claystone Deposits in the Datong Coalfield, Northern China	9
Synthesis and Evaluation of Betaine Copolymer Filtrate Reducer for Drilling Mud	8

Genesis of Palygorskite in the Neogene Baiyanghe Formation in Yangtaiwatan Basin, Northwest China, Based on the Mineralogical Characteristics and Occurrence of Enriched Trace Elements and Ree	8
Automated Full-Pattern Summation of X-Ray Powder Diffraction Data for High-Throughput Quantification of Clay-Bearing Mixtures	8
Optimization of Hydrogen Generation by Catalytic Hydrolysis of NaBH₄ with Halloysite-Supported CoB Catalyst Using Response Surface Methodology	8
Halloysite Nanotube Vehicles for Drug Delivery Through a Model Blood–Brain Barrier	7
Incorporation of Mo⁶⁺ in Ferrihydrite, Goethite, and Hematite	7
Co-Modification of Bentonite by CTAB and Silane and its Performance in Oil-Based Drilling Mud	7
Improvement of Physical-Chemical and Rheological Properties of Ghardaïa Loess (Southern Algeria) Using Bentonite Clay and Lime	7
Fabrication of Ceramic, Hollow-Fiber Membrane: The Effect of Bauxite Content and Sintering Temperature	7
Potassium Reserves in the Clay Fraction of a Tropical Soil Fertilized for Three Decades	7
Montmorillonite-Hydrochar Nanocomposites as Examples of Clay–Organic Interactions Delivering Ecosystem Services	6
Porewater Content, Pore Structure and Water Mobility in Clays and Shales from NMR Methods	6
Formation of Humboldtine During the Dissolution of Hematite in Oxalic Acid – Density Functional Theory (DFT) Calculations and Experimental Verification	6
Hydrothermal Interaction of Wyoming Bentonite and Opalinus Clay	6
Effect of Montmorillonite Layer Charge on the Thermal Stability of Bentonite	6
Review: Progress with Functional Materials Based on Loess Particles	6
Thermal Analysis and Thermal Reactions of Smectites: a Review of Methodology, Mechanisms, and Kinetics	6
The Formation of Clay Minerals in the Mudflats of Bolivian Salars	6
Preparation and Characterization of Halloysite-Based Carriers for Quercetin Loading and Release	6
Fighting Against Plant Saline Stress: Development of a Novel Bioactive Composite Based on Bentonite and L-Proline	5
Synthesis of a Composite Aerogel of Reduced Graphene Oxide Supported by Two-Dimensional Montmorillonite Nanolayers for Methylene Blue Removal	5
Transformation of Magnesite to Sepiolite and Stevensite: Characteristics and Genesis (Çayirbaği, Konya, Turkey)	5
Niclosamide-Exfoliated Anionic Clay Nanohybrid Repurposed as an Antiviral Drug for Tackling Covid-19; Oral Formulation with Tween 60/Eudragit S100	5
Gentamicin-Montmorillonite Intercalation Compounds as an Active Component of Hydroxypropylmethylcellulose Bionanocomposite Films with Antimicrobial Properties	5
Adsorption of Alkaline Phosphates on Palygorskite and Sepiolite: A Tradeoff Between Enzyme Protection and Inhibition	5
Functionalized Halloysite Nanotubes for Enhanced Removal of Hg²⁺ Ions From Aqueous Solutions	5
Performance of Low-Grade Calcined Clays as Supplementary Cementitious Material in Relation to their Geological Characteristics	4
Fabrication of Anthocyanin/Montmorillonite Hybrid Pigments to Enhance Their Environmental Stability and Application in Allochroic Composite Films	4
Ionicity of Clay–Cation Bonds in Relation to Dispersive Behavior of Mg and K Soil Clays as Influenced by pH	4
Naproxen/Layered Double Hydroxide Composites for Tissue-Engineering Applications: Physicochemical Characterization and Biological Evaluation	4
The Effect of the Starting Mineralogical Mixture on the Nature of Fe-Serpentines Obtained during Hydrothermal Synthesis AT 90°C	4
Cloisite 10A as an Effective Antibacterial Agent in Polymer Matrices: Role of Nanoscale Roughness and Interfacial Interactions	4
Preliminary Evaluation of Natural Antibacterial Clays for Treating Wound Infections	4
Methods for Determination of the Layer Charge of Smectites: A Critical Assessment of Existing Approaches	4
K-Ar and Rb-Sr Dating of Nanometer-Sized Smectite-Rich Mixed Layers From Bentonite Beds of the Campos Basin (Rio De Janeiro State, Brazil)	4
Effects of Bio-Based Plasticizers, Made From Starch, on the Properties of Fresh and Hardened Metakaolin-Geopolymer Mortar: Basic Investigations	4
Adsorptive Removal Of Ni²⁺ Ions From Aqueous Solutions by Nodular Sepiolite (Meerschaum) and Industrial Sepiolite Samples From Eskişehir, Turkey	4
Geochemistry and Mineralogy of Ice-Dammed Lake Sediments of the Lębork Deposit	4
Effect of temperature on the synthesis of g-C₃N₄/montmorillonite and its visible-light photocatalytic properties	4
One-Pot Synthesis of Sulfonated Carbon/Palygorskite Solid-Acid Catalyst for the Esterification of Oleic Acid with Methanol	4
A Density Functional Theory (DFT) Investigation of Sulfur-Based Adsorbate Interactions on Alumina and Calcite Surfaces	4
Synthesis and Characterization of Al-Pillared Bentonite for Remediation of Chlorinated Pesticide-Contaminated Water	4
Synthesis of Magnetic Sulfonated Carbon/Fe₃O₄/Palygorskite Composites and Application as a Solid Acid Catalyst	4
Bionanocomposite Beads Based on Montmorillonite and Biopolymers as Potential Systems for Oral Release of Ciprofloxacin	4
A Review of the Reactivity of Phosphatase Controlled by Clays and Clay Minerals: Implications for Understanding Phosphorus Mineralization in Soils	4
Polytypism of Cronstedtite From Nagybörzsöny, Hungary	4