Добірка наукової літератури з теми "Complex biomaterials"
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Статті в журналах з теми "Complex biomaterials":
Macnair, R., M. J. Underwood, and G. D. Angelini. "Biomaterials and cardiovascular devices." Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine 212, no. 6 (June 1, 1998): 465–71. http://dx.doi.org/10.1243/0954411981534222.
BALTATU, Madalina Simona, Petrica VIZUREANU, Andrei Victor SANDU, Iustinian BALTATU, Doru Dumitru BURDUHOS-NERGIS, and Marcelin BENCHEA. "PROSPECTS ON TITANIUM BIOMATERIALS." European Journal of Materials Science and Engineering 8, no. 4 (December 20, 2023): 201–12. http://dx.doi.org/10.36868/ejmse.2023.08.04.201.
Petković, Dušan, Miloš Madić, and Goran Radenković. "Knee Prosthesis Biomaterial Selection by Using MCDM Solver." Advanced Technologies & Materials 46, no. 2 (December 15, 2021): 37–41. http://dx.doi.org/10.24867/atm-2021-2-006.
Leeuwenburgh, Sander. "Self-healing biomaterials for medical applications." MATEC Web of Conferences 378 (2023): 01003. http://dx.doi.org/10.1051/matecconf/202337801003.
Kim, Alexia, Mauricio A. Downer, Charlotte E. Berry, Caleb Valencia, Alex Z. Fazilat, and Michelle Griffin. "Investigating Immunomodulatory Biomaterials for Preventing the Foreign Body Response." Bioengineering 10, no. 12 (December 11, 2023): 1411. http://dx.doi.org/10.3390/bioengineering10121411.
Chow, Lesley W., and Jacob F. Fischer. "Creating biomaterials with spatially organized functionality." Experimental Biology and Medicine 241, no. 10 (May 2016): 1025–32. http://dx.doi.org/10.1177/1535370216648023.
PRESTWICH, GLENN D., and HOWARD MATTHEW. "Hybrid, Composite, and Complex Biomaterials." Annals of the New York Academy of Sciences 961, no. 1 (June 2002): 106–8. http://dx.doi.org/10.1111/j.1749-6632.2002.tb03058.x.
Bettinger, Christopher J. "Synthesis and microfabrication of biomaterials for soft-tissue engineering." Pure and Applied Chemistry 81, no. 12 (October 31, 2009): 2183–201. http://dx.doi.org/10.1351/pac-con-09-07-10.
Sask, Kyla N., Bruce Thong, Negar Goodarzynejad, Leslie R. Berry, and Anthony K. C. Chan. "Immunospecific analysis of in vitro and ex vivo surface-immobilized protein complex." Biointerphases 17, no. 2 (March 2022): 021005. http://dx.doi.org/10.1116/6.0001783.
Honig, Floris, Steven Vermeulen, Amir A. Zadpoor, Jan de Boer, and Lidy E. Fratila-Apachitei. "Natural Architectures for Tissue Engineering and Regenerative Medicine." Journal of Functional Biomaterials 11, no. 3 (July 7, 2020): 47. http://dx.doi.org/10.3390/jfb11030047.
Дисертації з теми "Complex biomaterials":
Petay, Margaux. "Multimodal and multiscale analysis of complex biomaterials : optimization and constraints of infrared nanospectroscopy measurements." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASF092.
In the biomedical field, understanding the physicochemical changes at the cellular level in tissues can be crucial for unraveling the mechanisms of pathological phenomena. However, the number of techniques providing chemical descriptions at the cellular/molecular level is limited. Infrared (IR) nanospectroscopy techniques, particularly AFM-IR (Atomic Force Microscopy-infrared), are promising as they offer materials' chemical descriptions at the nanometer scale. Up to now, AFM-IR is mainly used in biology for studying individual cells or micro-organisms, but its direct application in biological tissues is relatively scarce due to tissue sections' complex nature. Yet, many applications could benefit from such description, such as mineralization phenomena in breast tissue. Breast microcalcifications (BMCs) are calcium-based deposits (such as calcium oxalate and calcium phosphate) hypothesized to be associated with some breast pathologies, including cancer. Despite increased research over the past decade, BMCs' formation process and connection with breast conditions remain poorly understood. Still, BMCs nanoscale chemical speciation might offer new insights into their chemical architecture. However, breast biopsies typically range from a few millimeters to a few centimeters, containing many BMCs ranging from hundreds of nanometers to a millimeter. Thus, a breast biopsy multiscale characterization strategy is required to provide both a global chemical description of the sample and a fine chemical description of BMCs. We, thus, propose a new multimodal and multiscale approach to investigate BMCs' morphological properties using scanning electron microscopy and their chemical composition at the microscale using IR spectromicroscopy, extending up to the nanometer scale thanks to AFM-IR analysis. Although AFM-IR measurements of inorganic and crystalline objects can be challenging due to their specific optical and mechanical properties, we demonstrate AFM-IR capabilities to characterize pathological deposits directly in biological tissues. Furthermore, implementing a multimodal and multiscale methodology comes with significant challenges in terms of sample preparation, measurements, data processing, and data management, as well as their interpretation: challenges which will be outlined and addressed
Hart, Kathryn Jacoba. "A RAPID PROTOTYPING METHOD FOR CONSTRUCTING A COMPLEX THREE-DIMENSIONAL SUBSTRATE." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/217.
Chavez, Robert Dalton. "Development of In Vitro Tissue Engineered Blood Vessel Mimics in Complex Geometries for Coronary Stent Testing." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/828.
Gangolli, Riddhi Ajit. "A Novel Biomimetic Scaffold for Guided Tissue Regeneration of the Pulp - Dentin Complex." Diss., Temple University Libraries, 2016. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/409954.
Ph.D.
60 % of school children have some form of untreated tooth decay or have suffered trauma to the front teeth which results in pulp damage. If left untreated, these teeth are susceptible to premature fracture/loss under daily stresses. In cases of adolescent tooth loss, teenagers cannot get dental implants until after the growth spurts; their only option is using removable dentures which lowers their quality of life. Conventional endodontic treatment (root canal treatment) is used in cases of pulp necrosis, but cannot be performed in immature permanent teeth due to major differences in tooth anatomy. Currently the American Dental Academy has approved a procedure called Regenerative Endodontic Treatment (RET) for such cases, but the outcomes are still unpredictable and the method is largely unreliable. One issue that we are trying to address in this work is the regeneration of the pulp-dentin complex (PDC), specifically the interface. Endeavors in regenerating either pulp or dentin have been successful individually, but the interface region is the anatomical and physiologic hallmark of the PDC and has not been addressed. We have proposed a biomimetic scaffold to facilitate early stage stratification of these different tissues and allow recapitulation of their interface. Tissue engineering principles and biomaterial processing techniques were used simultaneously to encourage dental pulp stem cells into mineralize selectively only on one side. This effectively allows the scaffold to serve as the interface region between the hard dentin and the soft vascular pulp.
Temple University--Theses
Lalevée, Gautier. "Complexes polyélectrolytes d'acide hyaluronique et de chitosane pour des applications biomédicales." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE1075.
This work is devoted to the elaboration of polyelectrolyte complexes systems combining two oppositely-charged polyelectrolytes and to the study of their potential application as - injectable dermal fillers. Hyaluronic acid as polyanion (carboxylic groups -COO as negative charges) was complexed with the only naturally-occuring polycation named + chitosan (amine groups -NH3 as positive charges). The factors impacting the formation of hyaluronic acid - chitosan complexes and their physico-chemical properties were investigated. We used a new technique of complexation developed in the laboratory through the desalting of highly salted mixtures, and systematically investigated the impact of pH in the range 2.5 - 6.5, corresponding to the complexation domain of hyaluronic acid and chitosan. This process allowed the progressive elimination of the salts and the slow restoration of the attractive electrostatic interactions resp onsible for the self-assembly of the two polyelectrolytes. Various physical forms were obtained: macroscopic aggregates, soluble complexes, colloidal suspensions or hydrogels. During this work, we observed for the first time the formation of hyaluronic acid-chitosan hydrogels exhibiting a very unusual hyper-stretchability, only at acidic pH. Therefore, an alternate approach consisted in taking advantage of the chitosan ability to gel in alkaline medium. By using a similar process, we were then able to form physically-crosslinked hyaluronic acid-chitosan hydrogels stable at physiological pH and osmolarity and still able to undergo high deformations. Moreover, these systems could be submitted to steam sterilization and could be formulated so as to be injectable. Hence, these hydrogels gathered all the conditions to be good candidates as injectable biomaterials, these hydrogels were then tested in vivo on a rabbit model to evaluate their biocompatibility and suitability for intradermal applications
Tirado, Viloria Patricia Carolina. "New saloplastic biomaterials based on ultracentrifuged polyelectrolyte complexes." Thesis, Strasbourg, 2012. http://www.theses.fr/2012STRAF034.
This work was aimed to the develop of a new kind of materials of polyelectrolytes complexes. These materials were obtained by the ultracentrifugation of complexes either of natural or synthetic origin. The polyelectrolytes systems as well as the conditions under which these materials could be obtained, followed by the selection of the optimal system to further studies was described. PAA/PAH CoPECs was chosen as synthetic model systems and its physiochemical properties (composition, structure and mechanical properties) were here deeply described. We demonstrated that the composition, structure and mechanical properties can be controlled by changing the assembly conditions (pH, concentration of the polyelectrolytes, [NaCl], speed and order of addition). Moreover, the environmental conditions ([NaCl] and pH) were also used to control the porosity and pores size of the PAA/PAH CoPECs. Finally their ability to serve as scaffold for enzyme immobilization was also studied. We optimized the assembly conditions to keep the maximum of the activity. We also demonstrated that the CoPECs structure provides the stabilization in long term as well as the protection of the enzyme from high temperature. Thus, PAA/PAH CoPECs is a potential and suitable candidates as scaffold for tissue engineering and for the immobilization of enzymes
Lints, Martin. "Optimised Signal Processing for Nonlinear Ultrasonic Nondestructive Testing of Complex Materials and Biological Tissues." Thesis, Bourges, INSA Centre Val de Loire, 2017. http://www.theses.fr/2017ISAB0001/document.
In this thesis the possibility of nonlinear ultrasonic NDT is investigated for complex materials and biological tissues. The delayed TR-NEWS signal processing methodis developed, which is based on the TR-NEWS method. TR-NEWS is a method well-suited for materials with complex structure: it allows spatio-temporal focusing of a long ultrasonic chirp signal to the region near the receiving transducer, forming an impulse pulse. The received signal power and SNR are increased as a result.Delayed TR-NEWS allows the use of this focused wave pulse as a new basis for either the signal optimisation or, alternatively, for the detection of nonlinearity by the breakdown of linear superposition. This method is used in physical experiments and simulations. The physical experiments are made on an undamaged CFRP block and a porcine skin sample. The skin is tested in a synchronised acoustomechanical setup specially designed in the course of this thesis. In 1D pseudospectral simulations for CFRP, it is determined that while classical nonlinearity cannot probably be detected in ultrasonic NDT, it could be possible to detect nonclassical nonlinear effects such as those from cracks and microdamage.Physical experiments and 2D FEM simulations of linear, undamaged CFRP are compared for studying the delayed TR-NEWS method, its applicability in optimising the focused wave, and also for creating an interaction of waves at the focusing region with a linear superposition prediction. This suggests the possibility of detecting nonlinearities by comparing the actual signal from interaction to the linear prediction.Finally, more 2D simulations are conducted for CFRP with a single contact gap nonlinearity near the focusing region. The nonlinearity is measured by PI and delayed TR-NEWS. It is determined that delayed TR-NEWS is able to detect the defect at least as well as the PI method. It is ascertained that the PM hysteresis model could describe the nonclassical nonlinearity of damaged materials and biological tissues. Asynchronised acoustomechanical test setup is created to test such multiscale nonlinearity. The simultaneous mechanical load test and ultrasonic delayed TR-NEWS test can be used to measure the mechanical properties of skin
BEOLCHI, RAFAEL da S. "Adicao de complexo vitaminico em duas bioceramicas e seu efeito na regeneracao ossea." reponame:Repositório Institucional do IPEN, 2009. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11529.
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Dissertacao (Mestrado)
IPEN/D
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
He, Tao [Verfasser], and Jörg [Akademischer Betreuer] Hausdorf. "A three-dimensional muscle biomaterial complex in vitro organoid system: An autoinduction bone formation model / Tao He ; Betreuer: Jörg Hausdorf." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2020. http://d-nb.info/1238016960/34.
Hardy, Alexandre. "Biomatériaux fonctionnels à base de complexes de polyélectrolytes compactés de type chitosan/alginate : conception, caractérisation et premières évaluations biologiques." Thesis, Strasbourg, 2018. http://www.theses.fr/2018STRAF024/document.
Nowadays, many chronic diseases, such as cancer or osteoarthritis, still need new modalities of treatment. Natural biomaterials able to convey active substances represent a solution to this problematic. Lately, several research works have been conducted on a new type of biomaterial named Compact Polyelectrolyte Complexes (CoPEC). As part of this thesis, CoPEC have been prepared from two biosourced polyelectrolytes, chitosan and alginate, functionalized with β-cyclodextrin (βCD). Through an in vitro inflammation model, the non-cytotoxic βCD-chitosan/alginate CoPEC has displayed intrinsic anti-inflammatory properties. Moreover, this CoPEC has demonstrated a capacity to host and release piroxicam and prednisolone, two model hydrophobic active substances. Finally, a strategy to include hydrophilic active substances into the material has been implemented.Thus, the newly CoPEC is promising because it can exhibit an intrinsic anti-inflammatory effect as well as other therapeutic effects through the inclusion of active substances into the cyclodextrins
Книги з теми "Complex biomaterials":
De Vito, André, and Waldyr Romão Júnior. Manipulação dos biomateriais odontológicos diretos – guia prático visual – v. 1. Universidade Nove de Julho - Uninove, 2022. http://dx.doi.org/10.5585/2022.biomateriais1.
Частини книг з теми "Complex biomaterials":
Zhai, Xinyun, and Wenguang Liu. "Chapter 13. 3D-bioprinting for Engineering Complex Tissues and Vascularization." In Biomaterials Science Series, 339–59. Cambridge: Royal Society of Chemistry, 2021. http://dx.doi.org/10.1039/9781839163975-00339.
Jang, Woo Dong, Nobuhiro Nishiyama, and Kazunori Kataoka. "Preparation of Naphthalocyanine Dendrimer Loaded Polyion Complex Micelle for Photodynamic Therapy." In Advanced Biomaterials VII, 465–68. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-436-7.465.
Li, Quan Li, Zhi Qing Chen, Guo Min Ou, Laikui Liu, H. B. Jiang, Quan Zeng, Gang Li, G. He, An Chun Mo, and Brian W. Darvell. "Biomimetic Synthesis of Apatite - Polyelectrolyte Complex (Chitosan - Phosphorylated Chitosan) Hydrogel as an Osteoblast Carrier." In Advanced Biomaterials VI, 75–78. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-967-9.75.
Lee, Hyun Jung, Keun Hong Park, So Ra Park, and Byoung Hyun Min. "Chitosan/Heparin Polyelectrolyte Complex Nanoparticles (100~200nm) Covalently Bonded with PEI for Enhancement of Chondrogenic Phenotype." In Advanced Biomaterials VII, 329–32. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-436-7.329.
Kim, Sung Won, Yun Sik Nam, Yeon Jin Min, Jong Ho Kim, Kwang Meyong Kim, Kui Won Choi, In Sup Noh, and Ik Chan Kwon. "Release Profile of a Model Protein Drug Depending on the Stability of Microspheres Based on Polyelectrolyte Complex." In Advanced Biomaterials VII, 505–8. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-436-7.505.
Katsaras, J., T. A. Harroun, M. P. Nieh, M. Chakrapani, M. J. Watson, and V. A. Raghunathan. "Neutron Scattering from Biomaterials in Complex Sample Environments." In Neutron Scattering in Biology, 107–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/3-540-29111-3_7.
Ganapathy, Hullathy Subban, Min Hee Woo, Yeong Soon Gal, and Kwon Taek Lim. "Inclusion Complex Formation of Water- Soluble Drug, Captopril, and Peracetylated-β-Cyclodextrin in Supercritical CO2 for Controlled Release Applications." In Advanced Biomaterials VII, 489–92. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-436-7.489.
Tilocca, Antonio. "Molecular Dynamics Methods for Modeling Complex Interactions in Biomaterials." In Methods in Molecular Biology, 285–301. Totowa, NJ: Humana Press, 2011. http://dx.doi.org/10.1007/978-1-61779-388-2_18.
López, Hugo F., Armando Saldívar, and P. Huang. "Development and Properties of ε-Martensite in Co-Cr-Mo Alloys for Biomaterials Applications." In Properties of Complex Inorganic Solids 2, 307–25. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/978-1-4615-1205-9_23.
Song, Xia, and Jun Li. "Recent Advances in Polymer-Cyclodextrin Inclusion Complex-Based Supramolecular Hydrogel for Biomedical Applications." In Springer Series in Biomaterials Science and Engineering, 141–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-57511-6_7.
Тези доповідей конференцій з теми "Complex biomaterials":
Mahmoud, Rahmatul, Quang Nguyen, Gordon Christopher, and Paul F. Egan. "3D Printed Food Design and Fabrication Approach for Manufacturability, Rheology, and Nutrition Trade-Offs." In ASME 2021 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/detc2021-70663.
Narag, Jadze P. C., Nayere Taebnia, Rujing Zhang, Thomas L. Andresen, Niels B. Larsen, and Emil B. Kromann. "Imaging complex organ-on-chip systems." In Optical Methods for Inspection, Characterization, and Imaging of Biomaterials V, edited by Pietro Ferraro, Monika Ritsch-Marte, Simonetta Grilli, and Christoph K. Hitzenberger. SPIE, 2021. http://dx.doi.org/10.1117/12.2593200.
Narag, Jadze P. C., Nayere Taebnia, Rujing Zhang, Thomas L. Andresen, Niels B. Larsen, and Emil B. Kromann. "Imaging complex organ-on-chip systems." In Optical Methods for Inspection, Characterization, and Imaging of Biomaterials V, edited by Pietro Ferraro, Monika Ritsch-Marte, Simonetta Grilli, and Christoph K. Hitzenberger. SPIE, 2021. http://dx.doi.org/10.1117/12.2593243.
Kawabe, Yutaka, Yuki Suzuki, Kento Okoshi, and Takuya Tanaka. "Induced circular dichroism and laser action of hemicyanine dyes coupled to DNA and DNA-complex." In Optical Materials and Biomaterials in Security and Defence Systems Technology, edited by Roberto Zamboni, François Kajzar, Attila A. Szep, and Katarzyna Matczyszyn. SPIE, 2017. http://dx.doi.org/10.1117/12.2277394.
Kawabe, Yutaka, and Kento Okoshi. "Light amplification and photo-isomerization characteristics of laser dyes and azo molecules incorporated into DNA-complex systems." In Optical Materials and Biomaterials in Security and Defence Systems Technology, edited by Roberto Zamboni, François Kajzar, Attila A. Szep, and Katarzyna Matczyszyn. SPIE, 2018. http://dx.doi.org/10.1117/12.2325290.
Fee, Timothy J., and Joel L. Berry. "Mechanics of Electrospun Polycaprolactone Nanofibers." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80297.
Ghosh, Soham, J. Craig Dutton, and Bumsoo Han. "Spatiotemporal Intracellular Deformation of Cells During Freezing-Induced Cell-Fluid-Matrix Interactions." In ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14673.
Kharel, Prabhuti, Likitha Somasekhar, Kevin Fernando, and Kunal Mitra. "Self-Contained 3D Bioprinter for Cardiovascular and Cancer Research." In 2019 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/dmd2019-3302.
Gevaert, Matthew R., Martine LaBerge, Jennifer M. Gordon, and John D. DesJardins. "The Quantification of Physiologically Relevant Cross Shear Wear Phenomena on Orthopaedic Bearing Materials Using a Novel Wear Testing Machine." In ASME/STLE 2004 International Joint Tribology Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/trib2004-64150.
Han, Bumsoo, Jeffrey D. Miller, and Jun K. Jung. "Freezing Induced Microstructural Change of Collagen Matrix." In ASME 2007 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2007. http://dx.doi.org/10.1115/sbc2007-175251.