Explanipedia

Flame‐Resistant Inorganic Films by Self‐Assembly of Clay Nanotubes and their Conversion to Geopolymer for CO<sub>2</sub> Capture Open

Alessandro Lo Bianco, Martina Maria Calvino, Giuseppe Cavallaro, Lorenzo Lisuzzo, Pooria Pasbakhsh , et al. · 2024

Self‐assembling of very long natural clay nanotubes represents a powerful strategy to fabricate thermo‐stable inorganic thin films suitable for environmental applications. In this work, self‐standing films with variable thicknesses (from 6…

Self-assembly of halloysite nanotubes in water modulated via heterogeneous surface charge and transparent exopolymer particles Open

Ilnur Ishmukhametov, Svetlana Batasheva, Svetlana Konnova, Yuri Lvov, Rawil Fakhrullin · 2024

Halloysite clay nanotubes are a viable model to investigate the colloid behaviour of particles dispersed in water. They demonstrate excellent colloid stability in water due to the strong overall negative surface charge. We performed detail…

Micropatterning of biologically derived surfaces with functional clay nanotubes Open

Mingxian Liu, Rawil Fakhrullin, Anna Stavitskaya, В. А. Винокуров, Nisha Lama , et al. · 2024

Micropatterning of biological surfaces performed via assembly of nano-blocks is an efficient design method for functional materials with complex organic-inorganic architecture. Halloysite clay nanotubes with high aspect ratios and empty lu…

Clay Nanotubes Loaded with Diazepam or Xylazine Permeate the Brain through Intranasal Administration in Mice Open

Yaswanthi Yanamadala, Mahdi Saleh, Afrika Alake Williams, Yuri Lvov, Teresa A. Murray · 2023

The blood–brain barrier (BBB) is an obstacle to the permeation of most therapeutic drugs into the brain, limiting treatments for neurological disorders. Drugs loaded within nanocarriers that pass through the BBB can overcome this limitatio…

Clay Nanotube Coating on Cotton Fibers for Enhanced Flame‐Retardancy and Antibacterial Properties Open

Nisha Lama, John Wilhite, Yuri Lvov, Svetlana Konnova, Rawil Fakhrullin · 2023

Cotton and its blends are among the most common textiles used. Although cotton is a highly flammable material, its flammability may be reduced with a retardant coating. We developed an architectural build of organic/inorganic coating with …

Assembly of Clay Nanotubes on Cotton Fibers Mediated by Biopolymer for Robust and High‐Performance Hemostatic Dressing (Adv. Healthcare Mater. 1/2023) Open

Yue Feng, Yunqing He, Xiaoying Lin, Mingyang Xie, Mingxian Liu , et al. · 2023

Phase-change composite filled natural nanotubes in hydrogel promote wound healing under photothermally triggered drug release Open

Jingjing Ye, Longfei Li, Ruinan Hao, Min Gong, Tong Wang , et al. · 2022

Magnetic coiffure: Engineering of human hair surfaces with polyelectrolyte-stabilised magnetite nanoparticles Open

Svetlana Konnova, Ramil Fakhrullin, Farida Akhatova, Nisha Lama, Yuri Lvov , et al. · 2022

Here we report a spontaneous electrostatic coating of human hair with aqueous Fe3O4 colloids capable to tailor magnetic properties to hair, orienting and even moving them under the influence of the external magnetic field. Magnetite partic…

Architectural design of core–shell nanotube systems based on aluminosilicate clay Open

Anna Stavitskaya, Maria Rubtsova, А. P. Glotov, V. B. Vinokurov, А. В. Вутолкина , et al. · 2022

An architectural approach for design of functional materials based on natural tubule nanoclay with functional elements placed selectively inside or outside these aluminosilicate tubes.

Clay Nanotube Immobilization on Animal Hair for Sustained Anti-Lice Protection Open

Naureen Rahman, Faith Hannah Scott, Yuri Lvov, Anna Stavitskaya, Farida Akhatova , et al. · 2021

Topical administration of drugs is required for the treatment of parasitic diseases and insect infestations; therefore, fabrication of nanoscale drug carriers for effective insecticide topical delivery is needed. Here we report the enhance…

Comparative Toxicity of Fly Ash: An In Vitro Study Open

Elvira Rozhina, Ilnur Ishmukhametov, Läysän Nigamatzyanova, Farida Akhatova, Svetlana Batasheva , et al. · 2021

Fly ash produced during coal combustion is one of the major sources of air and water pollution, but the data on the impact of micrometer-size fly ash particles on human cells is still incomplete. Fly ash samples were collected from several…

Tagged Halloysite Nanotubes as a Carrier for Intercellular Delivery in Brain Microvascular Endothelium Open

Mahdi Saleh, Neela Prajapati, Mark A. DeCoster, Yuri Lvov · 2020

Neurological disorders that are characterized by unpredictable seizures affect people of all ages. We proposed the use of nanocarriers such as halloysite nanotubes to penetrate the blood-brain barrier and effectively deliver the payload ov…

Halloysite/Keratin Nanocomposite for Human Hair Photoprotection Coating Open

Giuseppe Cavallaro, Stefana Milioto, Svetlana Konnova, Gölnur Fakhrullina, Farida Akhatova , et al. · 2020

We propose a novel keratin treatment of human hair by its aqueous mixtures with natural halloysite clay nanotubes. The loaded clay nanotubes together with free keratin produce micrometer-thick protective coating on hair. First, colloidal a…

Ruthenium-Loaded Halloysite Nanotubes as Mesocatalysts for Fischer–Tropsch Synthesis Open

Anna Stavitskaya, Kristina Mazurova, М. С. Котелев, О. Л. Елисеев, П. А. Гущин , et al. · 2020

Halloysite aluminosilicate nanotubes loaded with ruthenium particles were used as reactors for Fischer–Tropsch synthesis. To load ruthenium inside clay, selective modification of the external surface with ethylenediaminetetraacetic acid, u…

Formation of Regular Wormlike Patterns by DewettingAqueous Dispersions of Halloysite Nanotubes Open

Hongzhong Liu, Xiang Cao, Xiaohan Yang, Mingxian Liu, Yuri Lvov · 2020

The wormlike micropatterns were elaborated by drying halloysite clay nanotube dispersions placed between two horizontal glass slides. This 0.1–0.2 mm thick confined space induces the fractal self-assembly of charged nanotubes governed by w…

Development of Marine Antifouling Epoxy Coating Enhanced with Clay Nanotubes Open

Ye Fu, Wencai Wang, Liqun Zhang, В. А. Винокуров, Anna Stavitskaya , et al. · 2019

An antifouling epoxy resin doped with natural clay nanotubes that are loaded with biocide or silver allowed extended protection against the proliferation of marine microorganisms. Compared to the 2–3 months of protection with antifoulant d…

Targeted and Stimulus-Responsive Delivery of Surfactant to the Oil–Water Interface for Applications in Oil Spill Remediation Open

Azeem Farinmade, Olakunle Francis Ojo, James Trout, Jibao He, Vijay T. John , et al. · 2019

The use of chemical dispersants is a well-established approach to oil spill remediation where surfactants in an appropriate solvent are contacted with the oil to reduce the oil-water interfacial tension and create small oil droplets capabl…

Evolution of Hair Treatment and Care: Prospects of Nanotube-Based Formulations Open

Ana Cláudia Paiva‐Santos, Abhishek Panchal, Naureen Rahman, Miguel Pereira‐Silva, Irina Pereira , et al. · 2019

A new approach for hair treatment through coating with nanotubes loaded with drugs or dyes for coloring is suggested. This coating is produced by nanotube self-assembly, resulting in stable 2–3 µm thick layers. For medical treatment such f…

Stoppers and Skins on Clay Nanotubes Help Stabilize Oil-in-Water Emulsions and Modulate the Release of Encapsulated Surfactants Open

Olakunle Francis Ojo, Azeem Farinmade, James Trout, Marzhana Omarova, Jibao He , et al. · 2019

This work develops the concepts of particle-stabilized emulsions using tubular natural clays known as halloysites to attach to the oil-water interface and stabilize oil-in-water emulsions. Such halloysite nanotubes (HNT) serve as reservoir…

Cellulose Nanofibrils and Tubular Halloysite as Enhanced Strength Gelation Agents Open

В. А. Винокуров, А. А. Новиков, Valentina Yu. Rodnova, B. M. Anikushin, М. С. Котелев , et al. · 2019

Silica gels are widely employed in water shutoff services, making them an essential tool in oil well management. Silica nanoparticles may serve as a strengthening additive for polymer hydrogels. In this study, we look at this statement fro…

Antimicrobial Applications of Clay Nanotube-Based Composites Open

Anna Stavitskaya, Svetlana Batasheva, В. А. Винокуров, Gölnur Fakhrullina, Vadim Sangarov , et al. · 2019

Halloysite nanotubes with different outer surface/inner lumen chemistry (SiO2/Al2O3) are natural objects with a 50 nm diameter hollow cylindrical structure, which are able to carry functional compounds both inside and outside. They are pro…

Clay Materials: Clay Nanotubes Aligned with Shear Forces for Mesenchymal Stem Cell Patterning (Small 21/2019) Open

Xiujuan Zhao, Changren Zhou, Yuri Lvov, Mingxian Liu · 2019

In article number 1900357, Yuri Lvov, Mingxian Liu, and co-workers report a simple method for preparing oriented clay nanotube architectures. The clay nanotubes are aligned by brush induced shear force into strip-like patterns on different…

Mesoporous Metal Catalysts Templated on Clay Nanotubes Open

А. P. Glotov, Anna Stavitskaya, Yaroslav A. Chudakov, Е. В. Иванов, Wei Huang , et al. · 2018

Halloysite is a natural tubular aluminosilicate clay of ca. 50 nm diameter and 0.5–1.5 micrometers in length. The nanoarchitectural modification of halloysite inner/outer surfaces can be achieved through supramolecular and covalent interac…

Fluorescence and Cytotoxicity of Cadmium Sulfide Quantum Dots Stabilized on Clay Nanotubes Open

Anna Stavitskaya, А. А. Новиков, М. С. Котелев, Д. С. Копицын, Elvira Rozhina , et al. · 2018

Quantum dots (QD) are widely used for cellular labeling due to enhanced brightness, resistance to photobleaching, and multicolor light emissions. CdS and CdxZn1−xS nanoparticles with sizes of 6–8 nm were synthesized via a ligand assisted t…

Hybrid Nanoparticle–Polymer Brush Composites for Detection of Low‐Level Radiostrontium in Water Open

Valery N. Bliznyuk, Ayman F. Seliman, Scott M. Husson, Yuri Lvov, Timothy A. DeVol · 2018

Combining extraction and scintillation properties within the same material is a relatively new approach in development of sensors for detection of radioactive elements. Structural organization of such materials at a nanoscale typically off…

Transport Asymmetry of Novel Bi-Layer Hybrid Perfluorinated Membranes on the Base of MF-4SC Modified by Halloysite Nanotubes with Platinum Open

А. Н. Филиппов, Daria Petrova, И. В. Фалина, N. A. Kononenko, Е. В. Иванов , et al. · 2018

Three types of bi-layer hybrid nanocomposites on the base of perfluorinated cation-exchange membrane MF-4SC (Russian analogue of Nafion®-117) were synthesized and characterized. It was found that two membranes possess the noticeable asymme…

Core-shell nanoarchitecture: Schiff-base assisted synthesis of ruthenium in clay nanotubes Open

В. А. Винокуров, Anna Stavitskaya, Yaroslav A. Chudakov, А. P. Glotov, Е. В. Иванов , et al. · 2018

Natural halloysite clay nanotubes were used as a template for clay/Ru core-shell nanostructure synthesis. Ru-nanoparticles were produced via a ligand-assisted metal ion intercalation technique. Schiff bases formed from different organic co…

Stabilized Dye–Pigment Formulations with Platy and Tubular Nanoclays Open

Bàrbara Micó‐Vicent, Francisco M. Martínez‐Verdú, А. А. Новиков, Anna Stavitskaya, В. А. Винокуров , et al. · 2017

Alumosilicate materials of different morphologies, such as platy and tubule nanoclays, may serve as an efficient, protective encasing for colored organic substances and nanoparticles. The adsorption of dyes onto the nanoclays increases the…

Doxycycline-loaded nanotube-modified adhesives inhibit MMP in a dose-dependent fashion Open

Jadesada Palasuk, L. Jack Windsor, Jeffrey A. Platt, Yuri Lvov, Saulo Geraldeli , et al. · 2017

Binase Immobilized on Halloysite Nanotubes Exerts Enhanced Cytotoxicity toward Human Colon Adenocarcinoma Cells Open

Vera Khodzhaeva, А. В. Макеева, Vera Ulyanova, Pavel Zelenikhin, Vladimir G. Evtugyn , et al. · 2017

Many ribonucleases (RNases) are considered as promising tools for antitumor therapy because of their selective cytotoxicity toward cancer cells. Binase, the RNase from Bacillus pumilus, triggers apoptotic response in cancer cells ex…

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