OOIR: Observatory of International Research

Papers

(The median citation count of Clays and Clay Minerals is 2. 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 2020-11-01 to 2024-11-01.)

Article	Citations
Organo-Modification of Montmorillonite	52
Solubility of Calcined Kaolinite, Montmorillonite, and Illite in High Molar NaOH and Suitability as Precursors for Geopolymers	24
Clays in Cosmetics and Personal-Care Products	24
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	21
New Insight into the Relationships Between Structural and Ftir Spectroscopic Features of Kaolinites	15
Halloysite-Based Nanosystems for Biomedical Applications	14
Functional Montmorillonite/Polymer Coatings	14
Co-Modification of Bentonite by CTAB and Silane and its Performance in Oil-Based Drilling Mud	13
Synthesis and Evaluation of Betaine Copolymer Filtrate Reducer for Drilling Mud	12
Thermal Analysis and Thermal Reactions of Smectites: a Review of Methodology, Mechanisms, and Kinetics	12
Composite Biodegradable Polymeric Matrix Doped With Halloysite Nanotubes for the Repair of Bone Defects in Dogs	11
Benefits and Risks of Clays and Clay Minerals to Human Health From Ancestral to Current Times: A Synoptic Overview	11
Optimization of Hydrogen Generation by Catalytic Hydrolysis of NaBH₄ with Halloysite-Supported CoB Catalyst Using Response Surface Methodology	10
Automated Full-Pattern Summation of X-Ray Powder Diffraction Data for High-Throughput Quantification of Clay-Bearing Mixtures	10
Dissolution Rates of Allophane With Variable Fe Contents: Implications for Aqueous Alteration and the Preservation of X-Ray Amorphous Materials on Mars	10
Porewater Content, Pore Structure and Water Mobility in Clays and Shales from NMR Methods	9
Mineralogy, Geochemistry, and Genesis of Kaolinitic Claystone Deposits in the Datong Coalfield, Northern China	9
A Review of the Reactivity of Phosphatase Controlled by Clays and Clay Minerals: Implications for Understanding Phosphorus Mineralization in Soils	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
Review: Progress with Functional Materials Based on Loess Particles	8
Effect of Montmorillonite Layer Charge on the Thermal Stability of Bentonite	8
Halloysite Nanotube Vehicles for Drug Delivery Through a Model Blood–Brain Barrier	8
Gentamicin-Montmorillonite Intercalation Compounds as an Active Component of Hydroxypropylmethylcellulose Bionanocomposite Films with Antimicrobial Properties	7
Incorporation of Mo⁶⁺ in Ferrihydrite, Goethite, and Hematite	7
Methods for Determination of the Layer Charge of Smectites: A Critical Assessment of Existing Approaches	6

Tuning the Acidity of Montmorillonite by H₃PO₄-Activation and Supporting WO₃ for Catalytic Dehydration of Glycerol to Acrolein	6
Bionanocomposite Beads Based on Montmorillonite and Biopolymers as Potential Systems for Oral Release of Ciprofloxacin	6
Fighting Against Plant Saline Stress: Development of a Novel Bioactive Composite Based on Bentonite and L-Proline	6
Montmorillonite-Hydrochar Nanocomposites as Examples of Clay–Organic Interactions Delivering Ecosystem Services	6
Preparation and Characterization of Halloysite-Based Carriers for Quercetin Loading and Release	6
Niclosamide-Exfoliated Anionic Clay Nanohybrid Repurposed as an Antiviral Drug for Tackling Covid-19; Oral Formulation with Tween 60/Eudragit S100	6
Microstructure and Time-Dependent Behavior of STx-1b Calcium Montmorillonite Suspensions	5
Fabrication of Anthocyanin/Montmorillonite Hybrid Pigments to Enhance Their Environmental Stability and Application in Allochroic Composite Films	5
Processing and Characterization of Low-Thermal Conductivity, Clay-Based, Ceramic Membranes for Filtering Drinking Water	5
Formation of Humboldtine During the Dissolution of Hematite in Oxalic Acid – Density Functional Theory (DFT) Calculations and Experimental Verification	5
Rare Earth and Critical Element Chemistry of the Volcanic Ash-fall Parting in the Fire Clay Coal, Eastern Kentucky, USA	5
Synthesis of a Composite Aerogel of Reduced Graphene Oxide Supported by Two-Dimensional Montmorillonite Nanolayers for Methylene Blue Removal	5
Performance of Low-Grade Calcined Clays as Supplementary Cementitious Material in Relation to their Geological Characteristics	5
Synthesis of Magnetic Sulfonated Carbon/Fe₃O₄/Palygorskite Composites and Application as a Solid Acid Catalyst	5
Geochemistry and Mineralogy of Ice-Dammed Lake Sediments of the Lębork Deposit	5
Cloisite 10A as an Effective Antibacterial Agent in Polymer Matrices: Role of Nanoscale Roughness and Interfacial Interactions	5
One-Pot Synthesis of Sulfonated Carbon/Palygorskite Solid-Acid Catalyst for the Esterification of Oleic Acid with Methanol	5
Functionalized Halloysite Nanotubes for Enhanced Removal of Hg²⁺ Ions From Aqueous Solutions	5
Physicochemical Variation of Clay Minerals and Enrichment of Rare Earth Elements in Regolith-hosted Deposits: Exemplification from The Bankeng Deposit in South China	5
A FIB-SEM Study of Illite Morphology in Aeolian Rotliegend Sandstones: Implications for Understanding the Petrophysical Properties of Reservoir Rocks	5
Effect of temperature on the synthesis of g-C₃N₄/montmorillonite and its visible-light photocatalytic properties	5
Preparation and Characterization of Porous Palygorskite/Carbon Composites through Zinc Chloride Activation for Wastewater Treatment	4
Efficacy of Two Texas Bentonites in Binding Aflatoxin B1 and in Reducing Aflatoxicosis in Broilers	4
Ionicity of Clay–Cation Bonds in Relation to Dispersive Behavior of Mg and K Soil Clays as Influenced by pH	4
A Density Functional Theory (DFT) Investigation of Sulfur-Based Adsorbate Interactions on Alumina and Calcite Surfaces	4
Naproxen/Layered Double Hydroxide Composites for Tissue-Engineering Applications: Physicochemical Characterization and Biological Evaluation	4
Binding of DNA to Natural Sepiolite: Applications in Biotechnology and Perspectives	4
Polytypism of Cronstedtite From Nagybörzsöny, Hungary	4
Release of Mg and Fe From the Octahedral Sheets During the Transformation of Montmorillonite Into Kaolinite	4
Preparation and Properties of Antibacterial Polyhexamethylene Biguanide/Palygorskite Composites as Zearalenone Adsorbents	4
A Novel Process for Intercalating Alkylammonium Ions in a Thai Bentonite and its Effect on Adsorption Performance	4
Health Protection Using Clay Minerals: A Case Study Based on the Removal of BPA and BPS from Water	4
Preliminary Evaluation of Natural Antibacterial Clays for Treating Wound Infections	4
Characterization of Iron-Rich Phyllosilicates Formed at Different Fe/Si Ratios	4
A Comparison of the Adsorption of Cesium on Zeolite Minerals vs Vermiculite	4
Distribution and Fractionation of Rare Earth Elements (REE) in the Ion Adsorption-type REE Deposit (IAD) at Maofeng Mountain, Guangzhou, China	3
Adsorption Behavior of Asphaltene on Clay Minerals and Quartz in a Heavy Oil Sandstone Reservoir with Thermal Damage	3
Clay Minerals in Interbedded Sandstones and Shales of the Miocene Surma Group, Sylhet Trough, Bengal Basin (northeastern Indian Plate): Implications for Future Hydrocarbon Exploration	3
Hydration Properties of Mechanically Activated Muscovite in the Presence of Calcium Oxide	3
Effects of Dietary Palygorskite Supplementation on Cecal Microbial Community Structure and the Abundance of Antibiotic-Resistant Genes in Broiler Chickens Fed With Chlortetracycline	3
Creep Mechanical Properties and Constitutive Model of Hard Brittle Mud Shale	3
Efficient Concentration of PB From Water by Reactions With Layered Alkali Silicates, Magadiite and Octosilicate	3
Synthesis and Characterization of Montmorillonite-Supported Tio₂ Composites for Enhanced UV Absorption	3
Molecular Modeling to Predict the Optimal Mineralogy of Smectites as Binders of Aflatoxin	3
Boron and Lithium Isotopic Signatures of Nanometer-Sized Smectite-Rich Mixed-Layers of Bentonite Beds From Campos Basin (Brazil)	3
Characterization and Assessment of Natural Amazonian Clays for Cosmetics-Industry Applications	3
Petro-Mineralogical and Geochemical Evaluation of Glauconitic Rocks of the Ukra Member (Bhuj Formation), Kutch Basin, India	3
Zirconia-Intercalated Kaolinite: Synthesis, Characterization, and Evaluation of Metal-Ion Removal Activity	3
Phase-Transition Process in the Hydrothermal Zeolitization of Volcanic Ash into LTA and FAU Structures	3
Effects of Metal-Polycation Pillaring and Exchangeable Cations on Aflatoxin Adsorption by Smectite	3

Stacking Disorder and Reactivity of Kaolinites	3
Influence of Thermal Treatment of Moroccan Red Clay on its Physicochemical and Mechanical Behavior	3
Influence of the Precursor and the Temperature of Synthesis on the Structure of Saponite	3
Preparation and Visible Photocatalytic Properties of N-Doped TiO₂/Muscovite Nanocomposites	3
Aflatoxin B₁ Sorption and Safety of Dietary Sodium Bentonite in Sprague-Dawley Rats	3
Reduction of Clay Hydration by Addition of an Organic Stabilizer	2
Mineralogical and Elemental Trends in Regolith on Historically Managed Sites in the southeastern United States Piedmont	2
Polytypism of Cronstedtite from Ouedi Beht, El Hammam, Morocco	2
Rare-Earth Minerals in Kaolin Ore, Mine Tailings, and Sands – Central Georgia, Upper Coastal Plain	2
Catalytic Reduction of Congo Red to Low-Toxicity Forms Using a Low-Cost Catalyst Based on Modified Bentonite Material	2
Design Approaches, Functionalization, and Environmental and Analytical Applications of Magnetic Halloysite Nanotubes: A Review	2
Layered Double Hydroxide-Based MRI/CT Dual Modal Contrasting Agent With Homogeneous Particle Size	2
Sustained-Release Drug Delivery Potential of Antibiotic–Montmorillonite Composites Prepared Using Montmorillonite Mined in Gampo, Republic of Korea	2
Calcined Palygorskites as Supplementary Cementitious Materials	2
Mineralogy, Chemistry, and Thermal and Surface Properties of Various Technological Types of K-Bentonite from the Dolná Ves Deposit (Kremnické vrchy Mts., Western Carpathians, Slovakia)	2
Iron Removal from Kaolin Waste Dumps by Chemical (Oxalic and Citric Acids) and Biological (Bacillus Strain) Leaching	2
Preparation and Properties of Sepiolite-Based 3D Flame-Retardant Aerogel	2
Antibacterial finishing of textile materials using modified bentonite	2
Organic Exfoliation of Hydrophilic Bentonite using Aliquat 336 and Isobutyl(Trimethoxy)Silane to Enhance its Activity Toward pH-Dependent Adsorption of Epigallocatechin Gallate	2
Preparation and Corrosive Anion-curing Capability of Layered Double Hydroxide (LDH)/Montmorillonite Composites	2
Preparation and Antibacterial Properties of Carvacrol-loaded Composite Microcapsules via Palygorskite-Stabilized Pickering Emulsions	2
Comparison of Epithermal Kaolin Deposits from the Etili Area (Çanakkale, Turkey): Mineralogical, Geochemical, and Isotopic Characteristics	2
Influence of pH on the Hydrothermal Synthesis of Al-Substituted Smectites (Saponite, Beidellite, and Nontronite)	2
Palygorskite Supporting Homogeneously Dispersed Ag Nanoparticles: Molten Salt Method and Enhanced Antibacterial Performance	2
Interfacial X-Ray Scattering From Small Surfaces: Adapting Mineral-Fluid Structure Methods for Microcrystalline Materials	2
Multiple Hierarchical Heterojunction g-C₃N₄/LDH/Ag₃PO₄ With Enhanced Visible-Light Photocatalytic Activity for Cr(Vi) Reduction	2
The Composition and Growth Mechanism of Coexisting 4M₂ and 4A₈ Biotite Polytypes from Rhyolite of Long Valley Caldera, California	2
Tracing Organic-Inorganic Interactions by Light Stable Isotopes (H, Li, B, O) of an Oil-Bearing Shale and its Clay Fraction During Hydrous Pyrolysis	2
Montmorillonite as an Anti-Tuberculosis Rifampicin Drug Carrier: DFT and Experimental Study	2
Yttrium and REE Mineralization in Manganese Pods Occurring in Bentonite Deposits of the Eocene Texas Coastal Plain	2
Electrochemical Study of Methoxykaolinite Interactions with Cations and Application to Trace-Level Detection of Pb(II) in Various Aqueous Media	2
Characteristics and Formation Pathways of Iron- and Magnesium-Silicate-Hydrates and Smectites Under Natural Alkaline Conditions	2