Academic literature on the topic 'Inorganic materials (incl. nanomaterials)'

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Journal articles on the topic "Inorganic materials (incl. nanomaterials)"

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Ananikov, Valentine P. "Organic–Inorganic Hybrid Nanomaterials." Nanomaterials 9, no. 9 (August 26, 2019): 1197. http://dx.doi.org/10.3390/nano9091197.

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The paramount progress in the field of organic–inorganic hybrid nanomaterials was stimulated by numerous applications in chemistry, physics, life sciences, medicine, and technology. Currently, in the field of hybrid materials, researchers may choose either to mimic complex natural materials or to compete with nature by constructing new artificial materials. The deep mechanistic understanding and structural insight achieved in recent years will guide a new wave in the design of hybrid materials at the atomic and molecular levels.
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Gilmore, Tessa, and Pelagia-Irene Gouma. "Polymorphic Biological and Inorganic Functional Nanomaterials." Materials 15, no. 15 (August 3, 2022): 5355. http://dx.doi.org/10.3390/ma15155355.

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This perspective involves two types of functional nanomaterials, amyloid fibrils and metal oxide nanowires and nanogrids. Both the protein and the inorganic nanomaterials rely on their polymorphism to exhibit diverse properties that are important to sensing and catalysis. Several examples of novel functionalities are provided from biomarker sensing and filtration applications to smart scaffolds for energy and sustainability applications.
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Wang, Huilin, Xitong Liang, Jiutian Wang, Shengjian Jiao, and Dongfeng Xue. "Multifunctional inorganic nanomaterials for energy applications." Nanoscale 12, no. 1 (2020): 14–42. http://dx.doi.org/10.1039/c9nr07008g.

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Hisaeda, Yoshio, Takahiro Masuko, Erika Hanashima, and Takashi Hayashi. "Organic/inorganic hybrid nanomaterials with vitamin B12functions." Science and Technology of Advanced Materials 7, no. 7 (January 2006): 655–61. http://dx.doi.org/10.1016/j.stam.2006.08.003.

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Li, Zhonghao, Zhen Jia, Yuxia Luan, and Tiancheng Mu. "Ionic liquids for synthesis of inorganic nanomaterials." Current Opinion in Solid State and Materials Science 12, no. 1 (February 2008): 1–8. http://dx.doi.org/10.1016/j.cossms.2009.01.002.

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Kiseleva, Aleksandra P., Grigorii O. Kiselev, Valeria O. Nikolaeva, Gulaim Seisenbaeva, Vadim Kessler, Pavel V. Krivoshapkin, and Elena F. Krivoshapkina. "Hybrid Spider Silk with Inorganic Nanomaterials." Nanomaterials 10, no. 9 (September 16, 2020): 1853. http://dx.doi.org/10.3390/nano10091853.

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High-performance functional biomaterials are becoming increasingly requested. Numerous natural and artificial polymers have already demonstrated their ability to serve as a basis for bio-composites. Spider silk offers a unique combination of desirable aspects such as biocompatibility, extraordinary mechanical properties, and tunable biodegradability, which are superior to those of most natural and engineered materials. Modifying spider silk with various inorganic nanomaterials with specific properties has led to the development of the hybrid materials with improved functionality. The purpose of using these inorganic nanomaterials is primarily due to their chemical nature, enhanced by large surface areas and quantum size phenomena. Functional properties of nanoparticles can be implemented to macro-scale components to produce silk-based hybrid materials, while spider silk fibers can serve as a matrix to combine the benefits of the functional components. Therefore, it is not surprising that hybrid materials based on spider silk and inorganic nanomaterials are considered extremely promising for potentially attractive applications in various fields, from optics and photonics to tissue regeneration. This review summarizes and discusses evidence of the use of various kinds of inorganic compounds in spider silk modification intended for a multitude of applications. It also provides an insight into approaches for obtaining hybrid silk-based materials via 3D printing.
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Omurzak Uulu, Emil, Mitsuhiro Matsuda, Hirotaka Ihara, Tsutomu Mashimo, and Saadat Sulaimankulova. "Preparation of Nanocrystalline Inorganic Materials by Impulse Plasma in Liquid." Advanced Materials Research 15-17 (February 2006): 549–52. http://dx.doi.org/10.4028/www.scientific.net/amr.15-17.549.

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We developed a synthesis method of nanomaterials by the impulse plasma in liquid. The method is based on the low voltage pulsed plasma. The apparatus is very simple and does not require vacuum system, high-energy, cooling system, but can evaporate even refractory metals. Preparation experiments of nanomaterials by using Impulse Plasma in Liquid method were performed. We succeeded in synthesis of nanocrystals of some metals, TiO2, and fullerene C60. The synthesized TiO2 powder consists of fine-dispersed particles of rutile and anatase phases with 5-15 nm grain size. Pure fullerene C60 was prepared by dispersion of graphite electrodes by Impulse Plasma in toluene. It was suggested that the present method can be effectively used for nanomaterials preparation.
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Bianchi, Eleonora, Barbara Vigani, César Viseras, Franca Ferrari, Silvia Rossi, and Giuseppina Sandri. "Inorganic Nanomaterials in Tissue Engineering." Pharmaceutics 14, no. 6 (May 26, 2022): 1127. http://dx.doi.org/10.3390/pharmaceutics14061127.

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In recent decades, the demand for replacement of damaged or broken tissues has increased; this poses the attention on problems related to low donor availability. For this reason, researchers focused their attention on the field of tissue engineering, which allows the development of scaffolds able to mimic the tissues’ extracellular matrix. However, tissue replacement and regeneration are complex since scaffolds need to guarantee an adequate hierarchical structured morphology as well as adequate mechanical, chemical, and physical properties to stand the stresses and enhance the new tissue formation. For this purpose, the use of inorganic materials as fillers for the scaffolds has gained great interest in tissue engineering applications, due to their wide range of physicochemical properties as well as their capability to induce biological responses. However, some issues still need to be faced to improve their efficacy. This review focuses on the description of the most effective inorganic nanomaterials (clays, nano-based nanomaterials, metal oxides, metallic nanoparticles) used in tissue engineering and their properties. Particular attention has been devoted to their combination with scaffolds in a wide range of applications. In particular, skin, orthopaedic, and neural tissue engineering have been considered.
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Aldakov, D., F. Chandezon, R. De Bettignies, M. Firon, P. Reiss, and A. Pron. "Hybrid organic-inorganic nanomaterials: ligand effects." European Physical Journal Applied Physics 36, no. 3 (December 2006): 261–65. http://dx.doi.org/10.1051/epjap:2006144.

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Ahmaruzzaman, Md. "Nanostructured materials for removal of organic and inorganic contaminants from water and wastewater." Research Journal of Chemistry and Environment 26, no. 7 (June 25, 2022): 187–97. http://dx.doi.org/10.25303/2607rjce187197.

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Nanomaterials with smaller size and larger surface area act as an excellent adsorbent for effective removal of various organic and inorganic pollutants from water and wastewater. Multi-walled carbon nanotubes were found to be the promising nanomaterials for purification of water. Nano-metals and nano-metal oxides have also been utilized to render pollutants/contaminants harmless in wastewater. Nanomaterials like nano zero-valent silver are bioactive, they can destroy bacteria and other pathogenic microorganisms and are an alternative to chlorine bleaches. Nanomaterials can also be used to detect the presence of virus in wastewater and can effectively remove them which cannot be removed by current techniques. Second generation nanomembranes are being designed to detect and remove various pollutants from water. However, precautions must be taken while using nanoparticles to avoid any threat to human health and environment. There is a high need to modify and synthesize nanoparticles with high efficiency, eco-friendly nature and less cost of production. In future, nanomaterials will become essential component for wastewater treatment because more and more progress is being made in the field of nanotechnology to upgrade nanomaterials in terms of economically efficient and ecofriendly technology.
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Dissertations / Theses on the topic "Inorganic materials (incl. nanomaterials)"

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Chen, Rong. "Synthesis, characterization and biological applications of inorganic nanomaterials." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36840907.

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Chen, Rong, and 陳嶸. "Synthesis, characterization and biological applications of inorganic nanomaterials." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B36840907.

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Liu, Dongfang. "Chemical hybridization of fullerenes, [pi]-electron systems and inorganic nanomaterials /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?CHEM%202008%20LIU.

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Nelo, M. (Mikko). "Inks based on inorganic nanomaterials for printed electronics applications." Doctoral thesis, Oulun yliopisto, 2015. http://urn.fi/urn:isbn:9789526210117.

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Abstract In this thesis several novel inks based on dry inorganic powders enabling magnetic, piezoelectric and memory resistive (memristive) function were researched for printed electronics applications. Low curing temperature screen–printable magnetic inks for high frequency applications based on dry cobalt nanoparticles were developed in the first part of the work. Three publications were achieved. The first one concentrated on ink formulation and its process development, the second on the utilization of multifunctional surfactant, and the third on the development of the inks for plastic substrates. The magnetic inks developed were cured at 120 °C. The electrical performance, microstructure, surface quality and mechanical durability of printed and cured layers were investigated. Relative permeability values up to 3 and related loss tangents up to 0.01 were achieved at 2 GHz frequency, as well as a pull–off strength of up to 5.2 MPa. The maximum loading level of cobalt nanoparticles was 60 vol–%, after which the stability of the ink started to degrade. The developed ink enabled the miniaturization of a patch antenna. In the second part of the thesis, the formulation of inks based on piezoelectric ceramic particles in powder form with ferroelectric polymers as a matrix material is introduced. The performance and quality of the printed inks and cured layers were investigated. The measured pull off –strength was up to 3.25 MPa, relative permittivity was up to 48 at 1 kHz and piezoelectric constant d31 up to 17 pm/V. The printed piezoelectric layer can be utilized in a pressure sensor. In the third part of the thesis, the development of inks for a novel printed memory component, a memristor, is researched. A synthesis route was developed for an organometallic precursor solution, which was formulated into inkjet–printable form. The printing tests were carried out in order to find the most feasible layer thickness with memristive behaviour. The influence of substrate materials and different thermal treatments on the components’ electrical properties, durability of read/erase –cycles and overall lifetime were also investigated. The prepared memristive patterns remained functional for up to 35 days, while the precursor solution remained usable for over a year. The memristive areas withstood up to 30 read/erase cycles and by utilizing heat treatments the shift in resistance value increased by up to three orders of magnitude
Tiivistelmä Väitöstyössä kehitettiin epäorgaanisten kuivien jauhemaisten materiaalien pohjalta magneettisia, pietsosähköisiä ja memristiivisiä musteita käytettäviksi painettavan elektroniikan sovelluksissa. Työn ensimmäisessä osassa tutkittiin korkean taajuuden sovelluksissa käytettävien magneettisten, matalassa lämpötilassa kovetettavien, jauhemaisiin kobolttinanopartikkeleihin perustuvien silkkipainomusteiden valmistamista. Tulokset on esitetty kolmessa julkaisussa, joista ensimmäinen keskittyi musteen formulointiin, toinen monifunktionaalisen surfaktantin hyödyntämiseen ja kolmas musteen kehittämiseen muovialustalle sopivaksi. Työssä kehitettiin 120 °C:ssa kovettuvia musteita, joista valmistettujen kalvojen suhteellisen permeabiliteetin maksimiarvoksi saatiin 3 ja häviöiden minimiarvoksi 0,01 kahden gigahertsin taajuudella. Pull–off –vetotestin tulokseksi saatiin jopa 5,2 MPa. Musteet säilyivät vakaina enimmillään 60 tilavuusprosentin metallipitoisuudella. Kehitettyä mustetta käytettiin tasoantennin miniatyrisoinnissa. Toisessa osassa kehitettiin pietsosähköisiä musteita, jotka pohjautuivat keraamijauheeseen ja matriisimateriaalina toimivaan ferrosähköiseen muoviin. Niistä valmistettujen kalvojen parhaaksi pull off –vetotestin tulokseksi saatiin 3,25 MPa, permittiivisyyden maksimiarvoksi 48 yhden kilohertsin taajuudella ja d31–pietsovakion maksimiarvoksi jopa 17 pm/V. Kehitettyjä painettuja rakenteita voidaan käyttää painettavissa paineantureissa. Kolmannessa osassa kehitettiin uudentyyppinen painettava muistikomponentti, memristori ja komponenttien valmistamiseksi uusi prekursoriliuoksen synteesi. Syntetisoitu liuos muokattiin mustesuihkutulostettavaksi. Painokokeiden avulla selvitettiin materiaalin paksuus, jolla saatiin aikaan muistivastukselle ominainen memristiivinen käyttäytyminen. Työssä tutkittiin substraattimateriaalien ja mahdollisten lämpökäsittelyjen vaikutusta komponenttien sähköisiin ominaisuuksiin, luku/kirjoitussyklien kestoon sekä käyttöikään. Valmistetut memristiiviset kalvot säilyivät toimivina 35 vuorokautta ja prekursoriliuos yli vuoden. Memristiiviset pinnat kestivät jopa 30 luku/kirjoitussykliä ja vastusarvon muutos saatiin lämpökäsittelyllä kolmea kertaluokkaa suuremmaksi
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Tsui, Hei Man. "Synthesis and Characterization of Magnetic Cabides and Oxides Nanomaterials." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5366.

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The design and development of nanoparticles is of great interest in the current energy and electronic industry. However, based on the current materials available the production cost can be high with insignificant magnetic and mechanical properties. Specifically, rare-earth magnetic materials composed of neodymium and samarium are known for their high magnetic performance, however, due to the cost of development there is a need to develop a versatile and cost effective material. Alternatively, cobalt carbide nanomaterials have shown to be a promising alternative for rare-earth free magnets as they exhibit comparable properties as hexaferrite magnetic materials. The primary goal of this dissertation focuses on the development of nanoparticles for permeant magnetic, and magnetic refrigeration applications. The first part of this work focuses on the synthesis of cobalt carbide (CoxC, x=2,3) nanoparticles using a novel polyol synthesis method by introducing a small amount of Ru, Cu, or Au as nucleating agent. It was found that the morphology and magnetic properties of the as-synthesized CoxC nanoparticles change as a result of directional growth of nanoparticles using nucleating agents. Needle-like particle morphology ranges from 20-50 nm in width and as long as 1 µm in length were synthesized using Ru as nucleating agent. These particles exhibit magnetization saturation of 33.5 emu/g with a coercivity of 2870 Oe and a maximum energy product 1.92 MGOe (BHmax) observed. Particle morphology is a critical aspect in the development of magnetic nanoparticles as anisotropic particles have shown increased coercivity and magnetic properties. These CoxC nanomaterials have a higher maximum energy product compared to previous work providing further insight into the development of non-rare earth magnetic material. The second part of this dissertation work focuses on the sol-gel synthesis of perovskite LaCaMnO3 (LCMO) nanomaterials. In this process, various chain lengths of polyethylene glycol (PEG) was added into a solution consisting of La, Ca, and Mn salts. The solution was left for the gelation process, and high temperature sintering to obtain the final product. By varying the polymer chain of the PEG, the size of the as synthesized LaCaMnO3 nanomaterials were altered. The as-synthesized LCMO nanomaterials have shown a maximum change in magnetic entropy (-ΔSM) was found to be 19.3 Jkg-1K-1 at 278 K for a field change of 0-3 T and 8.7 Jkg-1K-1 for a field change of 0-1 T. This is a significant improvement in comparison to current literature of the material suggesting that this is a promising alternative to Gd materials that is prone to oxidation. With additional development, LCMO or related maganites could lead to application in commercial technologies.
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Huang, Wen-Yen. "Responsive theranostic nanoparticles." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:275e12ca-e5a4-4f63-af9e-3c73948f8001.

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The development and use of nanotechnology towards theranostics (all-in-one disease diagnostics and therapeutic delivery) have been increasing in popularity in recent years, in particular the use of high capacity of nanomaterials to transport both imaging and therapeutic agents into pathological tissues or abnormal cells. In this work, biocompatible mesoporous silica nanoparticles (MSNs) that can be reliably endocytosed by cells are employed in the investigation of novel cancer treatment and magnetic resonance imaging (MRI). One of the principal aims is to develop T1 contrast nanoparticles not only with extraordinarily high MRI contrast characteristics, but also tunability through surface chemistry and functional protein conjugation. In coupling paramagnetic Gd3+-centres to MSNs, one can effectively marry the advantages afforded by increased molecular bulk with those engendered by confined water environment inside the porous network. Specifically, through exclusively biasing paramagnetic Gd3+-centres in the internal spaces of nanoparticles, their mobility and interaction with water protons can be altered, significantly, with beneficial changes in molecular tumbling (τR), proton exchange (τM) and water diffusion (τD) within relaxation dynamics. These MRI nanoparticles with internalised Gd3+-centres are additionally used in the development of tunable/responsive contrast agents through vectoring protein conjugation. The relaxivity of MSNs can be tailored depending on the separation distances between proteins and nanoparticles; significantly, the simultaneous retention of both high MRI contrast and protein vectoring is achieved by the insertion of long polyethylene glycol (PEG) chain. The image contrast can also be reversibly gated through the competitive displacement of surface proteins by their partner proteins. Specifically, these responsive nanoparticles possess a low contrast resulting from restricted water accessibility when protein moieties are conjugated on the particles, whereas the removal of proteins causes a transition of contrast from a low to high state. The MSNs synthesised in this work are used not only in diagnostic imaging but also in the delivery of therapeutic agents for cancer therapy. The agents can be either physically encapsulated inside the pores or chemically conjugated on the nanoparticles. For the former, their loading and release efficiencies are tunable by the electrostatic interactions with particle surface functional groups; while in the latter case, their retention on nanoparticles, as opposed to being released, plays an important role in the effectiveness of cancer treatment that is achieved by trigging programmed cell death (apoptosis) in this work. This nanoparticle conjugation secures the proteins’ activity by facilitating their bypass of proteolytic degradation. Significantly, specially designed nanoparticles that demonstrate endo/lysosomal escape capability can reliably deliver therapeutic cytochrome c to cell cytosols for the initiation of a caspase cascade within apoptosis with high efficacy.
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Ma, Hui. "Nanomaterials for Biological Applications: Drug Delivery and Bio-sensing." ScholarWorks@UNO, 2013. http://scholarworks.uno.edu/td/1647.

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The idea of utilizing nanomaterials in bio-related applications has been extensively practiced during the recent decades. Magnetic nanoparticles (MPs), especially superparamagnetic iron oxide nanoparticles have been demonstrated as promising candidates for biomedicine. A protective coating process with biocompatible materials is commonly performed on MPs to further enhance their colloidal and chemical stability in the physiological environment. Mesoporous hollow silica is another class of important nanomaterials that are extensively studied in drug delivery area for their ability to carry significant amount of guest molecules and release in a controlled manner. In this study, different synthetic approaches that are able to produce hybrid nanomaterials, constituting both mesoporous hollow silica and magnetite nanoparticles, are described. In a two-step approach, pre-synthesized magnetite nanoparticles are either covalently conjugated to the surface of polystyrene beads and coated with silica or embedded/enclosed in the porous shell during a nanosized CaCO3 templated condensation of silica precursors, followed by acid dissolution to generate the hollow structure. It was demonstrated that the hollow interior is able to load large amount of hydrophobic drugs such as ibuprofen while the mesoporous shell is capable of prolonged drug. In order to simplify the fabrication procedure, a novel in-situ method is developed to coat silica surface with magnetite nanoparticles. By refluxing the iron precursor with mesoporous hollow silica nanospheres in polyamine/polyalcohol mixed media, one is able to directly form a high density layer of magnetite nanoparticles on silica surface during the synthesis, leaving reactive amine groups for further surface functionalization such as fluorescence conjugation. This approach provides a convenient synthesis for silica nanostructures with promising potential for drug delivery and multimodal imaging. In addition to nanoparticles, nanowires also benefit the research and development of instruments in clinical diagnosis. Semiconductive nanowires have demonstrated their advantage in the fabrication of lab-on-a-chip devices to detect many charge carrying molecules such as antibody and DNA. In our study, In2O3 and silicon nanowire based field effect transistors were fabricated through bottom-up and top-down approaches, respectively, for ultrasensitive bio- detection of toxins such as ricin. The specific binding and non-specific interaction of nanowires with antibodies were also investigated.
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Clifford, Dustin M. "Non-Conventional Approaches to Syntheses of Ferromagnetic Nanomaterials." VCU Scholars Compass, 2016. http://scholarscompass.vcu.edu/etd/4205.

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The work of this dissertation is centered on two non-conventional synthetic approaches to ferromagnetic nanomaterials: high-throughput experimentation (HTE) (polyol process) and continuous flow (CF) synthesis (aqueous reduction and the polyol process). HTE was performed to investigate phase control between FexCo1-x and Co3-xFexOy. Exploration of synthesis limitations based on magnetic properties was achieved by reproducing Ms=210 emu/g. Morphological control of FexCo1-x alloy was achieved by formation of linear chains using an Hext. The final study of the FexCo1-x chains used DoE to determine factors to control FexCo1-x, diameter, crystallite size and morphology. [Ag] with [Metal] provide statistically significant control of crystallite size. [OH]/[Metal] predict 100 % FexCo1-x at > 30. To conclude section 1, a morphological study was performed on synthesis of Co3-xFexOy using the polyol process. Co3-xFexOy micropillars were synthesized at various sizes. The close proximity of the particles in the nanostructure produced an optical anisotropy and was magnetically induced which is evidence for the magneto-birefringence effect. The second non-conventional synthetic approach involves continuous flow (CF) chemistry. Co nanoparticles (Ms=125 emu/g) were newly synthesized by aqueous reduction in a microreactor and had 30 ±10 nm diameter and were produced at >1g/hr, a marker of industrial-scale up viability. The final work was the CF synthesis of FexCo1-x. The FexCo1-x was synthesized with limitation to the composition. The maximum FexCo1-x phase composition at 20 % resulted from the aqueous carrier solvent triggering oxide formation over FexCo1-x.
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Yu, Lei. "DECONVOLVING THE STEPS TO CONTROL MORPHOLOGY, COMPOSITION, AND STRUCTURE, IN THE SYNTHESIS OF HIGH-ASPECT-RATIO METAL OXIDE NANOMATERIALS." UKnowledge, 2017. http://uknowledge.uky.edu/chemistry_etds/82.

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Metal oxides are of interest not only because of their huge abundance but also for their many applications such as for electrocatalysts, gas sensors, diodes, solar cells and lithium ion batteries (LIBs). Nano-sized metal oxides are especially desirable since they have larger surface-to-volume ratios advantageous for catalytic properties, and can display size and shape confinement properties such as magnetism. Thus, it is very important to explore the synthetic methods for these materials. It is essential, therefore, to understand the reaction mechanisms to create these materials, both on the nanoscale, and in real-time, to have design control of materials with desired morphologies and functions. This dissertation covers both the design of new syntheses for nanomaterials, as well as real-time methods to understand their synthetic reaction mechanisms. It will focus on two parts: first, the synthesis of 1-dimension (1-D) featured nanomaterials, including manganese-containing spinel nanowires, and tin dioxide and zinc oxide-based negative nanowire arrays; and second, a mechanistic study of the synthetic reactions of nanomaterials using in situ transmission electron microscopy (TEM). The work presented here demonstrates unique synthetic routes to single crystalline “positive” and “negative” metal oxide nanowires, and introduces a new mechanism for the formation of single-crystalline hollow nanorods.
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Yong, Chaw Keong. "Ultrafast carrier dynamics in organic-inorganic semiconductor nanostructures." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:b2efdc6a-1531-4d3f-8af1-e3094747434c.

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This thesis is concerned with the influence of nanoscale boundaries and interfaces upon the electronic processes that occur within the inorganic semiconductors. Inorganic semiconductor nanowires and their blends with semiconducting polymers have been investigated using state-of-the-art ultrafast optical techniques to provide information on the sub-picosecond to nanosecond photoexcitation dynamics in these systems. Chapters 1 and 2 introduce the theory and background behind the work and present a literature review of previous work utilising nanowires in hybrid organic photovoltaic devices, revealing the performances to date. The experimental methods used during the thesis are detailed in Chapter 3. Chapter 4 describes the crucial roles of surface passivation on the ultrafast dynamics of exciton formation in gallium arsenide (GaAs) nanowires. By passivating the surface states of nanowires, exciton formation via the bimolecular conversion of electron-hole plasma can observed over few hundred picoseconds, in-contrast to the fast carrier trapping in 10 ps observed in the uncoated nanowires. Chapter 5 presents a novel method to passivate the surface-states of GaAs nanowires using semiconducting polymer. The carrier lifetime in the nanowires can be strongly enhanced when the ionization potential of the overcoated semiconducting polymer is smaller than the work function of the nanowires and the surface native oxide layers of nanowires are removed. Finally, Chapter 6 shows that the carrier cooling in the type-II wurtzite-zincblend InP nanowires is reduced by order-of magnitude during the spatial charge-transfer across the type-II heterojunction. The works decribed in this thesis reveals the crucial role of surface-states and bulk defects on the carrier dynamics of semiconductor nanowires. In-addition, a novel approach to passivate the surface defect states of nanowires using semiconducting polymers was developed.
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Books on the topic "Inorganic materials (incl. nanomaterials)"

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Lukehart, Charles M., and Robert A. Scott. Nanomaterials: Inorganic and bioinorganic perspectives. Chichester, West Sussex, U.K: Wiley, 2008.

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Aresta, M., and Angela Dibenedetto. Inorganic micro- and nanomaterials: Synthesis and characterization. Berlin: Walter de Gruyter GmbH & Co. KG, 2013.

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Haldorai, Yuvaraj, and Susheel Kalia. Organic-Inorganic Hybrid Nanomaterials. Springer International Publishing AG, 2016.

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Haldorai, Yuvaraj, and Susheel Kalia. Organic-Inorganic Hybrid Nanomaterials. Springer, 2014.

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Haldorai, Yuvaraj, and Susheel Kalia. Organic-Inorganic Hybrid Nanomaterials. Springer International Publishing AG, 2014.

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Computational Modeling of Inorganic Nanomaterials. Taylor & Francis Group, 2016.

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Bromley, Stefan T., and Martijn A. Zwijnenburg. Computational Modeling of Inorganic Nanomaterials. Taylor & Francis Group, 2021.

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Bromley, Stefan T., and Martijn A. Zwijnenburg. Computational Modeling of Inorganic Nanomaterials. Taylor & Francis Group, 2016.

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Bromley, Stefan T., and Martijn A. Zwijnenburg. Computational Modeling of Inorganic Nanomaterials. Taylor & Francis Group, 2016.

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Scott, Robert A., and Charles M. Lukehart. Nanomaterials: Inorganic and Bioinorganic Perspectives. Wiley & Sons, Incorporated, John, 2013.

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Book chapters on the topic "Inorganic materials (incl. nanomaterials)"

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Zhang, Ling-xiao, and Zhi Ping Xu. "Chapter 6. Inorganic Nanomaterials in Vaccines." In Inorganic Materials Series, 305–60. Cambridge: Royal Society of Chemistry, 2021. http://dx.doi.org/10.1039/9781788019293-00305.

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Gualandi, Chiara, Annamaria Celli, Andrea Zucchelli, and Maria Letizia Focarete. "Nanohybrid Materials by Electrospinning." In Organic-Inorganic Hybrid Nanomaterials, 87–142. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/12_2014_281.

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Kaur, Sarabjeet, Markus Gallei, and Emanuel Ionescu. "Polymer–Ceramic Nanohybrid Materials." In Organic-Inorganic Hybrid Nanomaterials, 143–85. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/12_2014_282.

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Kango, Sarita, Susheel Kalia, Pankaj Thakur, Bandna Kumari, and Deepak Pathania. "Semiconductor–Polymer Hybrid Materials." In Organic-Inorganic Hybrid Nanomaterials, 283–311. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/12_2014_295.

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Geraldes, Carlos F. G. C. "Chapter 3. Imaging Applications of Inorganic Nanomaterials." In Inorganic Materials Series, 127–93. Cambridge: Royal Society of Chemistry, 2021. http://dx.doi.org/10.1039/9781788019293-00127.

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Haraguchi, Kazutoshi. "Soft Nanohybrid Materials Consisting of Polymer–Clay Networks." In Organic-Inorganic Hybrid Nanomaterials, 187–248. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/12_2014_287.

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Dutta, Dimple P. "Sonochemical Synthesis of Inorganic Nanomaterials." In Handbook on Synthesis Strategies for Advanced Materials, 109–30. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1807-9_4.

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Yao, Tao, Wei Liu, Yuanjie Cao, and Linlin Cao. "CHAPTER 8. Synchrotron Radiation Spectroscopic Techniques for Two-dimensional Materials." In Inorganic Two-dimensional Nanomaterials, 222–40. Cambridge: Royal Society of Chemistry, 2017. http://dx.doi.org/10.1039/9781788010306-00222.

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Fechine, Lillian Maria Uchoa Dutra, Fernando Lima Menezes, Letícia Nogueira Xavier, Aldenor Souza de Oliveira, and Pierre Basílio Almeida Fechine. "Nanoparticles by Ultrasound Irradiation: Organic and Inorganic Materials." In Nanomaterials and Nanotechnology, 313–37. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-6056-3_10.

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Iwamura, Takeru, and Masato Takasaki. "Organic-Inorganic Hybrid Materials: Sol-Gel Reactions." In Encyclopedia of Polymeric Nanomaterials, 1–8. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-36199-9_376-1.

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Conference papers on the topic "Inorganic materials (incl. nanomaterials)"

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Du, H., S. H. Ng, K. T. Neo, M. Ng, I. S. Altman, S. Chiruvolu, N. Kambe, R. Mosso, and K. Drain. "Inorganic-Polymer Nanocomposites for Optical Applications." In ASME 2006 Multifunctional Nanocomposites International Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/mn2006-17088.

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The combination of organic and inorganic materials forms unique composites with properties that neither of the two components provides. Such functional materials are considered innovative advanced materials that enable applications in many fields, including optics, electronics, separation membranes, protective coatings, catalysis, sensors, biotechnology, and others. The challenge of incorporating inorganic particles into an organic matrix still remains today, especially for nanoparticles, due to the difficulties in their dispersion, de-agglomeration and surface modification. NanoGram has pioneered a nanomaterials synthesis technology based on laser pyrolysis process to produce a wide range of crystalline nanomaterials including complex metal oxides, nitrides and sulfides and with precisely controlled compositions, crystal structure, particle size and size distributions. In this paper we will present some examples of nanocomposites prepared using different polymer host materials and phase-pure rutile TiO2. The inorganic component can be dispersed at higher 50 weight percent into the polymer matrix. We have demonstrated a 0.2–0.3 increase of refractive index in the composite over that of host polymer while maintaining high optical transparency. These nanocomposites can be used in a range of applications or optical devices, such as planar waveguides, flat panel displays, optical sensors, high-brightness LEDs, diffraction gratings and optical data storage. Experimental data on TiO2 nanoparticle characterization, dispersion technique, surface modification and will be presented and nanocomposite properties discussed.
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Meyyappan, M. "Nanotechnology: An Overview and Opportunities for Computational Modeling." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-3090.

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Nanotechnology is an enabling technology that is expected to have an impact on electronics, computing, data storage, materials and manufacturing, health and medicine, energy and environment, national security and other sectors. Fundamental to all this is development of nanostructured materials with novel and interesting properties. Examples include carbon nanotubes, inorganic nanowires, nanoparticles, quantum dots, dendrimers, etc. characterization of these nanomaterials and understanding their properties is the next important aspect of research in nanoscience and technology. Beyond these comes application development: devices, sensors, nanoelectromechanical systems (NEMS), composites, etc. to name a few. The talk will provide an overview of the above with carbon nanotubes (CNTs) and inorganic nanowires as nanomaterial examples.
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Kang, Ki Moon, Hyo-Won Kim, Il-Wun Shim, and Ho-Young Kwak. "Syntheses of Specialty Nanomaterials at the Multibubble Sonoluminescence Condition." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-68320.

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In recent years, a large number of nano-size semiconductors have been investigated for their potential applications in photovoltaic cells, optical sensor devices, and photocatalysts [1, 2, 3]. Nano-size semiconductor particles have many interesting properties due mainly to their size-dependent electronic and optical properties. Appropriately, many speciality of nanomaterials such as CdS and ZnS semiconductor particles, and other metal oxides such as ZnO and lithium-titanate oxide (LTO) have been prepared. However, most of them were prepared with toxic reactants and/or complex multistep reaction processes. Particularly, it is quite difficult to produce LTO nanoparticles, since it typically requires wearisome conditions such as very high temperature over 1000 °C, long producing times, and so on. To overcome such problems, various core/shell type nanocrystals were prepared through different methods such as the hydrothermal synthetic method, microwave, and sonochemistry. Also many coating methods on inorganic oxide nanoparticles were tried for the preparations of various core-shell type nanocrystals. Sonoluminescence (SL) is a light emission phenomenon associated with the catastrophic collapse of a gas bubble oscillating under an ultrasonic field [4]. Light emission of single bubble sonoluminescence (SBSL) is characterized by picosecond flashes of the broad band spectrum extending to the ultraviolet [5, 6]. The bubble wall acceleration has been found to exceed 1011 g at the moment of bubble collapse. Recently observed results of the peak temperature and pressure from the sonoluminescing gas bubble in sulfuric acid solutions [9] were accurately predicted by the hydrodynamic theory for sonoluminescence phenomena [7, 10, 11, 12], which provides a clue for understanding sonochemical reactions inside the bubble and liquid layer adjacent to the bubble wall. Sonochemistry involves an application of sonoluminescence. The intense local heating and high pressure inside the bubbles and liquid adjacent bubble wall from such collapse can give rise to unusual effects in chemical reactions. The estimated temperature and pressure in the liquid zone around the collapsing bubble with equilibrium radius 5 μm, an average radius of bubbles generated in a sonochemical reactor at a driving frequency of 20 kHz with an input power of 179 W, is about 1000 °C and 500 atm, respectively. At the proper condition, a lot of transient bubbles are generated and collapse synchronistically to emit blue light when high power ultrasound is applied to liquid, and it is called multibubble sonoluminescence (MBSL). Figure 1 shows an experimental apparatus for MBSL with a cylindrical quartz cell, into which a 5 mm diameter titanium horn (Misonix XL2020, USA) is inserted [13]. The MBSL facilitates the transient supercritical state [14].in the liquid layer where rapid chemical reactions can take place. In fact, methylene blue (MB), which is one of a number of typical textile dyestuffs, was degraded very fast at the MBSL condition while MB does not degrade under simple ultrasonic irradiation [13]. MBSL has been proven to be a useful technique to make novel materials with unusual properties. In our study, various metal oxides such as ZnO powder [15], used as a primary reinforcing filler for elastomer, homogeneous Li4Ti5O12 nanoparticles [16], used for electrode materials, and core/shell nanoparticles such as CdS coating on TiO2 nanoparticles [17] and ZnS coating on TiO2 nanoparticles [18], which are very likely to be useful for the development of inorganic dye-sensitized solar cells, were synthesized through a one pot reaction under the MBSL condition. Figure 2 shows the XRD pattern of ZnO nanoparticles synthesized from zinc acetate dehydrate (Zn(CH3CO2)2 · 2H2O, 99.999%, Aldrich) in various alcohol solutions with sodium hydroxide (NaOH, 99.99%, Aldrich) at the MBSL condition. The XRD patterns of all powers indicate hexagonal zincite. The XRD pattern for the ZnO nanoparticles synthesized is similar to the ZnO powder produced by a modified sol-gel process and subsequent heat treatment at about 600 °C [19] as shown in Fig.3. The average particle diameter of ZnO powder is about 7 nm. A simple sonochemical method for producing homogeneous LTO nanoparticles, as shown schematically in Fig. 4. First, LiOH and TiO2 nanoparticles were used to prepare LiOH-coated TiO2 nanoparticles as shown in Fig.5. Second, the resulting nanoparticles were thermally treated at 500 °C for 1 hour to prepare LTO nanoparticles. Figure 6 shows a high resolution transmission electron microscope image of LTO nanoparticles having an average grain size of 30–40 nm. All the nanoparticle synthesized are very pure in phase and quite homogeneous in their size and shape. Recently we succeeded in synthesizing a supported nickel catalyst such as Ni/Al2sO3, MgO/Al2O3 and LaAlO3, which turned out to be effective for methane decomposition [20]. Sonochemistry may provide a new way to more rapidly synthesize many specialty nanoparticles with less waste [21]. This clean technology enables the preparation of new materials such as colloids, amorphous particles [22], and various alloys.
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Tiznobaik, Hani, and Donghyun Shin. "Experimental Study of Nanoengineered Molten Salts as Thermal Energy Storage in Solar Power Plants." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87692.

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In a concentrated solar power (CSP), high operating temperature (over 500 °C) is the key for enhancing the efficiency of the system. The operating temperature of the system mainly relies on thermal energy storage (TES) material. Existing TES materials such as mineral oil or paraffin wax cannot be applicable at high temperatures, since these materials are not thermally stable over 400 °C. However, very few materials are suitable and reliable for the high temperatures. Using molten salts (e.g., alkali nitrate, alkali carbonate, alkali chloride, etc.) as thermal energy storage material is an alternative way due to several benefits. They are cheap and environmentally safe compared with the conventional TES materials. They are thermally stable at higher temperatures (over 500 °C). However, their usage is limited due to low thermo-physical properties (e.g. Cp is less than 1.6 J/g°C). The low thermo-physical properties can be improved by dispersing nanoparticles into the salts. In this study, nanomaterials were synthesized by dispersing inorganic nanoparticles into ionic salts. Modulated differential scanning calorimeter (MDSC) was used to measure the heat capacity of the nanomaterials. Scanning electron microscopy (SEM) was used for material characteristic analysis. Hence, the application of the nanomaterials as thermal energy storage in a concentrated solar power was explored.
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BAVASSO, IRENE, FRANCESCA SBARDELLA, MARIA PAOLA BRACCIALE, JACOPO TIRILLÒ, LUCA DI PALMA, LUCA LAMPANI, and FABRIZIO SARASINI. "HIERARCHICAL ELECTROSPUN VEILS AS POTENTIAL TOUGHENING MATERIALS FOR STRUCTURAL COMPOSITE LAMINATES." In Thirty-sixth Technical Conference. Destech Publications, Inc., 2021. http://dx.doi.org/10.12783/asc36/35780.

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The use of fiber reinforced polymers (FRPs) as a replacement of traditional homogeneous materials is still hindered by their brittle behavior and poor interlaminar resistance. Interleaving veils in polymer matrix, especially with fibers at the nanoscale dimension, is considered as one of the most promising toughening methods. By considering the hierarchical nature of the resulting laminated composites, their properties are intrinsically dependent on the interaction between the nanofibrous veils and the thermosetting resin and, in an attempt to tailor the interfacial adhesion between the electrospun fibers and matrix, surface modification of the fibers with the integration of inorganic nanostructures could be a solution. This work is an investigation on the use of commercially available electrospun nylon nanofibers decorated with ZnO nanorods obtained by three-step chemical synthesis. The modified veils were interleaved in carbon/epoxy prepreg composites and their mechanical properties were evaluated under Low Velocity Impact (LVI) tests at different energy levels (5 J and 7.5 J). Although the presence of ZnO nanorods did not limit the extension of the delaminated area in case of high energy level test (7.5 J), nanomaterials contributed positively to reduce the extent of the damaged area when a low energy impact was adopted (5 J). A beneficial effect of ZnO-functionalized commercial electrospun veils was observed in the flexural strength of laminated composites. After LVI tests at 5 J and 7.5 J, the flexural strength resulted higher compared to that observed in the same tests on specimens with non-decorated veils (NY4M), thus suggesting a positive role played by ZnO nanorods in hindering delamination propagation.
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Barhorst, A. A., O. P. Harrison, and G. D. Bachand. "Modeling Elasto-Mechanical Phenomena Involved in the Motor-Driven Assembly of Nanomaterials." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34175.

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As the ability to manipulate materials and components at the nanoscale continues to grow, it will become increasingly critical to understand the dynamic interactions that occur among multiple components. For example, the dynamic interactions among proteins (i.e., nanoscale molecular machines) lead to complex, emergent behaviors such as photosynthesis, self-repair, and cell division. Recently, the research group at Sandia National Labs and The Center for Integrated Nanotechnologies (CINT), headed by George Bachand, has developed a molecular transport system capable of transporting and manipulating a wide range of nanoscale components. This system is based on the kinesin motor molecule and cytoskeletal filament microtubules (MTs), in which the kinesin are mounted to a substrate in an inverted fashion, and capable of binding and transporting the MTs across a surface as a molecular shuttle. In the presence of ATP, the kinesins are capable of generating ∼40 pN·nm of work, and transporting MTs along the substrate at velocities of ∼1 micro-m/sec. The MTs may also serve as a transport platform for various inorganic and biological nanoparticles. During transport, the cargo is transferred, via elastic collisions, from one MT to another or to where two MT carry a single cargo. Bending of the MT and various other elasto-dynamic phenomena such as particle ejection, MT sticking, etc are observed via fluorescence microscopy. The interaction observed by the Bachand team is not unlike the interaction of macroscale devices. The kinesin provide motivation to the MT via a hand-over-hand ratchet like motion driven by ATP hydrolysis. As the kinesin motor domains come into contact with and bind the MT, it is not inconceivable to think of this action from the framework of instantly applied constraints in a manner similar to the macroscopic action of devices coming into and out of constrained interaction. The hypothesis of our work is that the elasto-dynamic phenomenon observed can be modeled with the tools of multiple body dynamics modeling. The modeling perspective is based on the lead author’s hybrid parameter multiple body dynamics modeling methodology. This technique is a variational approach based on the projection methods of Gibbs-Appell. The constrained interaction through contact and impact are modeled with the idea of instantly applied non-holonomic constraints, where the interactions on the boundaries and in the domain of elastic continua are modeled via projections of the d’Alembert force deficit along conjugate directions generated via so called pseudo-generalized-speeds. In this paper we present motivation for our approach, the underlying modeling theory, and current results of our efforts at understanding the kinesin/MT shuttle system interaction.
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