531081

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

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

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

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.

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

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

Steidl L, et al.

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

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

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.

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

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

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

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

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

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)

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

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

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

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

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)

Photoregeneration of trimethylsilyl cellulose as a tool for microstructuring ultrathin cellulose supports

Wolfberger A, et al.

Molecules (Basel), 19(10), 16266-16273 (2014)

Faster Release of Lumen-Loaded Drugs than Matrix-Loaded Equivalent in Polylactic Acid/Halloysite Nanotubes.

Chaitra Venkatesh et al.

Materials (Basel, Switzerland), 12(11) (2019-06-15)

Nanocomposite-based drug delivery systems with intrinsic controlled release properties are of great interest in biomedical applications. We report a novel polylactic acid (PLA)/halloysite nanotube (HNT) nanocomposite-based drug delivery system. PLA/HNT nanocomposites have shown immense potential for use in biomedical applications

Halloysite nanotubes loaded with alkyl trimethyl ammonium bromide as antibacterial agent for root canal sealers.

Juliana Caletti Monteiro et al.

Dental materials : official publication of the Academy of Dental Materials, 35(5), 789-796 (2019-03-05)

This study aimed at evaluating the effects of experimental endodontic sealers containing halloysite nanotubes (HNT) doped with alkyl trimethyl ammonium bromide (ATAB). An experimental dual-cure resin sealer was formulated and used as control material. This resin was also filled with

Development of LLDPE based active nanocomposite films with nanoclays impregnated with volatile compounds.

Fatih Tornuk et al.

Food research international (Ottawa, Ont.), 107, 337-345 (2018-03-28)

In this study, a novel procedure was performed for grafting of nanoclays (montmorillonite (MMT) and halloysite (HNT)) with essential oil constituents (thymol (THY), eugenol (EUG) and carvacrol (CRV)) using Tween 80 as surfactant and then the nanoclay particles were incorporated

A novel three-dimensional scaffold for regenerative endodontics: materials and biological characterizations.

Marco C Bottino et al.

Journal of tissue engineering and regenerative medicine, 9(11), E116-E123 (2013-03-12)

An electrospun nanocomposite fibrous material holds promise as a scaffold, as well as a drug-delivery device to aid in root maturogenesis and the regeneration of the pulp-dentine complex. A novel three-dimensional (3D) nanocomposite scaffold composed of polydioxanone (PDS II®) and

Effect of Halloysite Nanotube on Mechanical Properties, Thermal Stability and Morphology of Polypropylene and Polypropylene/Short Kenaf Fibers Hybrid Biocomposites.

Piotr Franciszczak et al.

Materials (Basel, Switzerland), 13(19) (2020-10-15)

In this article, the effect of the addition of halloysite nanotube (HNT) on the mechanical and thermal stability of polypropylene (PP) and PP/kenaf fiber biocomposites has been investigated. Different volume contents of HNTs ranging from 1 to 10 vol.% were

On prilled Nanotubes-in-Microgel Oral Systems for protein delivery.

Jan Kendall de Kruif et al.

European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 101, 90-102 (2016-02-07)

Newly discovered active macromolecules are highly promising for therapy, but poor bioavailability hinders their oral use. Microencapsulation approaches, such as protein prilling into microspheres, may enable protection from gastrointestinal (GI) enzymatic degradation. This would increase bioavailability mainly for local delivery

Genetic dissection of heat-responsive physiological traits to improve adaptation and increase yield potential in soft winter wheat.

Sumit Pradhan et al.

BMC genomics, 21(1), 315-315 (2020-04-22)

Climate change, including higher temperatures (HT) has a detrimental impact on wheat productivity and modeling studies predict more frequent heat waves in the future. Wheat growth can be impaired by high daytime and nighttime temperature at any developmental stage, especially

Unraveling the electrochemical properties of lanthanum cobaltite decorated halloysite nanotube nanocomposite: An advanced electrocatalyst for determination of flutamide in environmental samples.

V Suvina et al.

Ecotoxicology and environmental safety, 190, 110098-110098 (2020-01-07)

Prostate cancer is one of the primary causes of death around the world. As an important drug, flutamide has been used in the clinical diagnosis of prostate cancer. However, the over dosage and improper discharge of flutamide could affect the

Human Mitochondrial Ferredoxin 1 (FDX1) and Ferredoxin 2 (FDX2) Both Bind Cysteine Desulfurase and Donate Electrons for Iron-Sulfur Cluster Biosynthesis.

Kai Cai et al.

Biochemistry, 56(3), 487-499 (2016-12-22)

Ferredoxins play an important role as an electron donor in iron-sulfur (Fe-S) cluster biosynthesis. Two ferredoxins, human mitochondrial ferredoxin 1 (FDX1) and human mitochondrial ferredoxin 2 (FDX2), are present in the matrix of human mitochondria. Conflicting results have been reported

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