531081

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Showing 1-30 of 45 results for "531081" within Papers

Modulating the properties of polylactic acid for packaging applications using biobased plasticizers and naturally obtained fillers.

Anshu Anjali Singh et al.

International journal of biological macromolecules, 153, 1165-1175 (2019-11-23)

The properties of PLA films intended for packaging applications have been modulated by using bio-based platicizers and naturally obtained fillers. Triethyl citrate (TEC) and glycerol triacetate (GTA) have been used as platicizers and halloysite nanotubes (HNT) and chitosan have been

Incorporation of Hydroxyethylcellulose-Functionalized Halloysite as a Means of Decreasing the Thermal Conductivity of Oilwell Cement.

Junsang Cho et al.

Scientific reports, 8(1), 16149-16149 (2018-11-06)

The significant heat loss and severe thermal fluctuations inherent in steam-assisted gravity drainage (SAGD) and cyclic steam stimulation (CSS) impose considerable constraints on well cementing. In order to obtain better energy efficiency and mechanical robustness, there is considerable interest in

Fabrication of biocompatible antibacterial nanowafers based on HNT/PVA nanocomposites loaded with minocycline for burn wound dressing.

Alireza Mohebali et al.

Materials science & engineering. C, Materials for biological applications, 110, 110685-110685 (2020-03-25)

Bacterial infections of burn wounds are a significant problem that usually slows or stops the process of burn wounds healing. The use of topical antibiotics based on a novel drug delivery system could overcome the limitations of burn wound healing.

Non-ionic photo-acid generators for applications in two-photon lithography

Steidl L, et al.

Journal of Materials Chemistry, 19(4), 505-513 (2009)

Cryogel composites based on hyaluronic acid and halloysite nanotubes as scaffold for tissue engineering.

Selin S Suner et al.

International journal of biological macromolecules, 130, 627-635 (2019-03-07)

We present here preparation of mechanically strong and biocompatible cryogel composites based on hyaluronic acid (HA) and halloysite nanotubes (HNTs) of various compositions, and their applications as scaffold for different cell growing media. Uniaxial compression tests reveal that the incorporation

Bionanocomposite Films Containing Halloysite Nanotubes and Natural Antioxidants with Enhanced Performance and Durability as Promising Materials for Cultural Heritage Protection.

Giulia Infurna et al.

Polymers, 12(9) (2020-09-04)

In the last decade, the interest toward the formulation of polymer films for cultural heritage protection continuously grew, and these films must be imperatively transparent, removable, and should not react/interact with surface of the artworks. In this research, bionanocomposite films

Chitosan based nano composite adsorbent-Synthesis, characterization and application for adsorption of binary mixtures of Pb(II) and Cd(II) from water.

Jayabrata Maity et al.

Carbohydrate polymers, 182, 159-171 (2017-12-28)

Composite type adsorbent was prepared by integrating chitosan (Cs) with crosslinked polymethacrylic acid (PMA) and nano sized halloysite nanotube (HNT). The structure of the resulting Cs-PMA/HNT adsorbents was characterized by FTIR, NMR, XRD, TGA, SEM/EDX and rheological properties. These functional

Surfactant functionalization induces robust, differential adhesion of tumor cells and blood cells to charged nanotube-coated biomaterials under flow.

Michael J Mitchell et al.

Biomaterials, 56, 179-186 (2015-05-03)

The metastatic spread of cancer cells from the primary tumor to distant sites leads to a poor prognosis in cancers originating from multiple organs. Increasing evidence has linked selectin-based adhesion between circulating tumor cells (CTCs) and endothelial cells of the

Post-flowering night respiration and altered sink activity account for high night temperature-induced grain yield and quality loss in rice (Oryza sativa L.).

Rajeev N Bahuguna et al.

Physiologia plantarum, 159(1), 59-73 (2016-08-16)

High night temperature (HNT) is a major constraint to sustaining global rice production under future climate. Physiological and biochemical mechanisms were elucidated for HNT-induced grain yield and quality loss in rice. Contrasting rice cultivars (N22, tolerant; Gharib, susceptible; IR64, high

Gilz-Activin A as a Novel Signaling Axis Orchestrating Mesenchymal Stem Cell and Th17 Cell Interplay.

Patricia Luz-Crawford et al.

Theranostics, 8(3), 846-859 (2018-01-19)

Mesenchymal stem cells (MSC) are highly immunosuppressive cells able to reduce chronic inflammation through the active release of mediators. Recently, we showed that glucocorticoid-induced leucine zipper (Gilz) expression by MSC is involved in their therapeutic effect by promoting the generation

Lactic acid bacteria: promising supplements for enhancing the biological activities of kombucha.

Nguyen Khoi Nguyen et al.

SpringerPlus, 4, 91-91 (2015-03-13)

Kombucha is sweetened black tea that is fermented by a symbiosis of bacteria and yeast embedded within a cellulose membrane. It is considered a health drink in many countries because it is a rich source of vitamins and may have

Synergistic Effect of Maleated Natural Rubber and Modified Palm Stearin as Dual Compatibilizers in Composites based on Natural Rubber and Halloysite Nanotubes.

Nabil Hayeemasae et al.

Polymers, 12(4) (2020-04-05)

The performance of rubber composite relies on the compatibility between rubber and filler. This is specifically of concern when preparing composites with very different polarities of the rubber matrix and the filler. However, a suitable compatibilizer can mediate the interactions.

Fabrication of High-Performance Bamboo-Plastic Composites Reinforced by Natural Halloysite Nanotubes.

Xiaobei Jin et al.

Molecules (Basel, Switzerland), 25(9) (2020-05-15)

Bamboo-plastic composites (BPCs) as new biomass-plastic composites have recently attracted much attention. However, weak mechanical performance and high moisture absorption as well as low thermal stability greatly limit their industrial applications. In this context, different amounts of halloysite nanotubes (HNTs)

Immobilized surfactant-nanotube complexes support selectin-mediated capture of viable circulating tumor cells in the absence of capture antibodies.

Michael J Mitchell et al.

Journal of biomedical materials research. Part A, 103(10), 3407-3418 (2015-03-13)

The metastatic spread of tumor cells from the primary site to anatomically distant organs leads to a poor patient prognosis. Increasing evidence has linked adhesive interactions between circulating tumor cells (CTCs) and endothelial cells to metastatic dissemination. Microscale biomimetic flow

Interactions of iron-bound frataxin with ISCU and ferredoxin on the cysteine desulfurase complex leading to Fe-S cluster assembly.

Kai Cai et al.

Journal of inorganic biochemistry, 183, 107-116 (2018-03-27)

Frataxin (FXN) is involved in mitochondrial iron‑sulfur (Fe-S) cluster biogenesis and serves to accelerate Fe-S cluster formation. FXN deficiency is associated with Friedreich ataxia, a neurodegenerative disease. We have used a combination of isothermal titration calorimetry and multinuclear NMR spectroscopy

Surface modification of zeolites using benzene-1, 4-diboronic acid to form gated micropores with mild and photo responsive pore reopening

Fujiwara M, et al.

Chemical Engineering Journal, 146(3), 520-526 (2009)

Eocene Araucaria Sect. Eutacta from Patagonia and floristic turnover during the initial isolation of South America.

Gabriella Rossetto-Harris et al.

American journal of botany, 107(5), 806-832 (2020-05-11)

Eocene floras of Patagonia document biotic response to the final separation of Gondwana. The conifer genus Araucaria, distributed worldwide during the Mesozoic, has a disjunct extant distribution between South America and Australasia. Fossils assigned to Australasian Araucaria Sect. Eutacta usually

Mitochondrial metabolism promotes adaptation to proteotoxic stress.

Peter Tsvetkov et al.

Nature chemical biology, 15(7), 681-689 (2019-05-28)

The mechanisms by which cells adapt to proteotoxic stress are largely unknown, but are key to understanding how tumor cells, particularly in vivo, are largely resistant to proteasome inhibitors. Analysis of cancer cell lines, mouse xenografts and patient-derived tumor samples

Effect of halloysite nanotubes on the structure and function of important multiple blood components.

Keke Wu et al.

Materials science & engineering. C, Materials for biological applications, 75, 72-78 (2017-04-19)

Many researchers have investigated the application of halloysite nanotubes (HNTs) in biomedicine, because of their special nanoscale hollow tubular structure. Although the cytocompatibility of HNTs has been studied, their blood compatibility has not been systematically investigated. In this work, the

Enhanced photocatalysis and biomolecular sensing with field-activated nanotube-nanoparticle templates.

Sawsan Almohammed et al.

Nature communications, 10(1), 2496-2496 (2019-06-09)

The development of new catalysts for oxidation reactions is of central importance for many industrial processes. Plasmonic catalysis involves photoexcitation of templates/chips to drive and enhance oxidation of target molecules. Raman-based sensing of target molecules can also be enhanced by

Synthesis and characterization of partially silane-terminated polyurethanes reinforced with acid-treated halloysite nanotubes for transparent armour systems.

Rafaela Aguiar et al.

Scientific reports, 10(1), 13805-13805 (2020-08-17)

In the present work, nanocomposites based on the partially silane-terminated polyurethanes reinforced with sulfuric acid-treated halloysite nanotubes were synthesized and evaluated as a potential candidate for transparent blast resistant configurations. The polyurethane must present high tensile ductility at high strain

Dual-Responsive Nanotubes Assembled by Amphiphilic Dendrimers: Controlled Release and Crosslinking.

Minghui Zhang et al.

Materials (Basel, Switzerland), 13(16) (2020-08-14)

Although stimuli-responsive release systems have attracted great attention in medical applications, there has been no attempt at "precise" deep profile control based on such systems, which is greatly need to improve oil recovery. With this in mind, we provided a

Chemical, Mechanical and Biological Properties of an Adhesive Resin with Alkyl Trimethyl Ammonium Bromide-loaded Halloysite Nanotubes.

Isadora Martini Garcia et al.

The journal of adhesive dentistry, 22(4), 399-407 (2020-07-16)

The aim of this study was to evaluate the chemomechanical properties, antibacterial activity, and cytotoxicity of an experimental adhesive resin containing halloysite nanotubes (HNT), doped with alkyl trimethyl ammonium bromide (ATAB). A filler of HNT doped with ATAB was obtained

Antimicrobial dressing of silver sulfadiazine-loaded halloysite/cassava starch-based (bio)nanocomposites.

Graziele Louize Policarpio da Silva et al.

Journal of biomaterials applications, 35(9), 1096-1108 (2021-02-23)

(Bio)nanocomposites have been studied for biomedical applications, including the treatment of wounds. However, wound infection is one of the main problems of wound care management, and the use of wound dressings with antibacterial agents is essential. This work focused on

Recent progress in nanoparticle photoresists development for EUV lithography

Extreme Ultraviolet (EUV) Lithography VII, 9776(4), 977604-977604 (2016)

Investigating Halloysite Nanotubes as a Potential Platform for Oral Modified Delivery of Different BCS Class Drugs: Characterization, Optimization, and Evaluation of Drug Release Kinetics.

Tazeen Husain et al.

International journal of nanomedicine, 16, 1725-1741 (2021-03-11)

This study systematically investigated the potential of four model drugs (verapamil HCl, flurbiprofen, atenolol, and furosemide), each belonging to a different class of Biopharmaceutics Classification Systems (BCS) to be developed into oral modified release dosage forms after loading with halloysite

Physicochemical and biological assessment of flowable resin composites incorporated with farnesol loaded halloysite nanotubes for dental applications.

Tejas Barot et al.

Journal of the mechanical behavior of biomedical materials, 104, 103675-103675 (2020-03-17)

The aim of this study was to fabricate flowable resin composites, by incorporating Farnesol loaded Halloysite Nanotubes (Fa-HNT) as a filler and evaluate their physicochemical as well as biological properties. Chemical and morphological characterization of antibacterial filler, Fa-HNT were performed

PA6 and Halloysite Nanotubes Composites with Improved Hydrothermal Ageing Resistance: Role of Filler Physicochemical Properties, Functionalization and Dispersion Technique.

Valentina Sabatini et al.

Polymers, 12(1) (2020-01-19)

Polyamide 6 (PA6) suffers from fast degradation in humid conditions due to hydrolysis of amide bonds, which limits its durability. The addition of nanotubular fillers represents a viable strategy for overcoming this issue, although the additive/polymer interface at high filler

Synthesis of In Situ Photoinduced Halloysite-Polypyrrole@Silver Nanocomposite for the Potential Application in Humidity Sensors.

Khouloud Jlassi et al.

Nanomaterials (Basel, Switzerland), 10(7) (2020-07-28)

Halloysite-polypyrrole-silver nanocomposite has been prepared via in situ photopolymerizations of pyrrole in the presence of silanized halloysite and silver nitrate as a photoinitiator. The halloysite nanoclay (HNT) was modified using the hydrogen donor silane coupling agent (DMA) in order to

Modified halloysite nanotubes reduce the toxic effects of zearalenone in gestating sows on growth and muscle development of their offsprings.

Rui Gao et al.

Journal of animal science and biotechnology, 7, 14-14 (2016-03-05)

Zearalenone (ZEN) is an estrogenic mycotoxin that is primarily produced by Fusarium fungi and has been proven to affect the reproductive capacity of many species to varying degrees. The present experiment was designed to study the maternal persistent effects of

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