Academic literature on the topic 'REGENERATION SYSTEM'

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Journal articles on the topic "REGENERATION SYSTEM"

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Paatela, Ellen, Dane Munson, and Nobuaki Kikyo. "Circadian Regulation in Tissue Regeneration." International Journal of Molecular Sciences 20, no. 9 (May 8, 2019): 2263. http://dx.doi.org/10.3390/ijms20092263.

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Circadian rhythms regulate over 40% of protein-coding genes in at least one organ in the body through mechanisms tied to the central circadian clock and to cell-intrinsic auto-regulatory feedback loops. Distinct diurnal differences in regulation of regeneration have been found in several organs, including skin, intestinal, and hematopoietic systems. Each regenerating system contains a complex network of cell types with different circadian mechanisms contributing to regeneration. In this review, we elucidate circadian regeneration mechanisms in the three representative systems. We also suggest circadian regulation of global translational activity as an understudied global regulator of regenerative capacity. A more detailed understanding of the molecular mechanisms underlying circadian regulation of tissue regeneration would accelerate the development of new regenerative therapies.
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Fakoya, Adegbenro Omotuyi John, David Adeiza Otohinoyi, and Joshua Yusuf. "Current Trends in Biomaterial Utilization for Cardiopulmonary System Regeneration." Stem Cells International 2018 (2018): 1–32. http://dx.doi.org/10.1155/2018/3123961.

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The cardiopulmonary system is made up of the heart and the lungs, with the core function of one complementing the other. The unimpeded and optimal cycling of blood between these two systems is pivotal to the overall function of the entire human body. Although the function of the cardiopulmonary system appears uncomplicated, the tissues that make up this system are undoubtedly complex. Hence, damage to this system is undesirable as its capacity to self-regenerate is quite limited. The surge in the incidence and prevalence of cardiopulmonary diseases has reached a critical state for a top-notch response as it currently tops the mortality table. Several therapies currently being utilized can only sustain chronically ailing patients for a short period while they are awaiting a possible transplant, which is also not devoid of complications. Regenerative therapeutic techniques now appear to be a potential approach to solve this conundrum posed by these poorly self-regenerating tissues. Stem cell therapy alone appears not to be sufficient to provide the desired tissue regeneration and hence the drive for biomaterials that can support its transplantation and translation, providing not only physical support to seeded cells but also chemical and physiological cues to the cells to facilitate tissue regeneration. The cardiac and pulmonary systems, although literarily seen as just being functionally and spatially cooperative, as shown by their diverse and dissimilar adult cellular and tissue composition has been proven to share some common embryological codevelopment. However, necessitating their consideration for separate review is the immense adult architectural difference in these systems. This review also looks at details on new biological and synthetic biomaterials, tissue engineering, nanotechnology, and organ decellularization for cardiopulmonary regenerative therapies.
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Oza, Nityam P., and Pravin P. Rathod. "Experimental Investigation on Effects Accumulator Initial Pressure, Pump Displacement and Vehicle Speed on Regeneration Efficiency of the Hydraulic Regenerative Braking System." Science & Technology Journal 8, no. 1 (January 1, 2020): 105–14. http://dx.doi.org/10.22232/stj.2020.08.01.13.

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Recently researchers are focus on evaluation of hydraulic regenerative braking systems for improving fuel economy and reducing pollutant emissions. Present work is oriented to study effects of variation in vehicle speed at braking, accumulator initial pressure and pump displacement on regeneration efficiency of hydraulic regenerative braking system (HRBS) on the school van conveyance in Vadodara city. The results show that the HRBS regeneration efficiency improves between 1.7 to 10% with reduction in initial pressure from 110 to 90bar. Increase in pump displacement from 16 LPM to 23 LPM results in rise in regeneration efficiency of the HRBS between2.6 to 16.7%. While increasing initial speed at braking from 20 to 35 KMPH, regeneration efficiency of the HRBS system rises by 48%. This is the maximum rise in regeneration efficiency while varying the initial braking speed.
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Kuznetsov, Valeriy G., Oleg I. Sablin, and Alenka V. Chornaya. "Improvement of the regenerating energy accounting system on the direct current railways." Archives of Transport 36, no. 4 (December 31, 2015): 35–42. http://dx.doi.org/10.5604/08669546.1185200.

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Purpose. Monitoring of current state of quantitative indices of regenerative energy in the suburban movement, the analysis of the factors influencing its volumes and improvement the principles of the train regenerative energy accounting on the basis of it. Relevance. Development of effective measures of increase the regeneration efficiency of the electric power in system of electric traction demands comprehensive completeness of information on quantitative indices of regeneration energy volumes at all possible levels of its analysis, in particular on the corresponding sections of RS movement that will allow to establish the influence on the level of regeneration of various factors, such as parameters of traction power supply and the organization of train service. As the existing system of the regenerative energy accounting does not allow to consider the specified factors, development of the principles for increasing the efficiency of the analysis of volumes of return energy to a contact line during regenerative braking on DC rolling stock is the actual direction of researches. Collective monitoring of regeneration energy volumes by specialists of locomotive service, power supply and traffic operating departments will be essentially new approach to definition of real factors and taking effective decisions for increasing of using of regenerative energy. Scientific novelty. It’s offered to consider the influence on quantitative indices of regenerative energy the parameters of traction power supply and the organization (sizes) of traffic service on sections. Practical importance. Increasing the efficiency of the regeneration energy accounting is an important element in drawing up the balance of energy for electric traction system, development of the effective methods for improvement of the conditions of regeneration in it and in estimation of its power indicators in general.
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Stewart, Krista J., Bermans J. Iskandar, Brenton M. Meier, Elias B. Rizk, Nithya Hariharan, Joyce Koueik, Adin-Christian Andrei, and Kirk J. Hogan. "Nitrous Oxide Impairs Axon Regeneration after Nervous System Injury in Male Rats." Anesthesiology 131, no. 5 (November 1, 2019): 1063–76. http://dx.doi.org/10.1097/aln.0000000000002906.

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Abstract Editor’s Perspective What We Already Know about This Topic What This Article Tells Us That Is New Background Nitrous oxide can induce neurotoxicity. The authors hypothesized that exposure to nitrous oxide impairs axonal regeneration and functional recovery after central nervous system injury. Methods The consequences of single and serial in vivo nitrous oxide exposures on axon regeneration in four experimental male rat models of nervous system injury were measured: in vitro axon regeneration in cell culture after in vivo nitrous oxide administration, in vivo axon regeneration after sharp spinal cord injury, in vivo axon regeneration after sharp optic nerve injury, and in vivo functional recovery after blunt contusion spinal cord injury. Results In vitro axon regeneration 48 h after a single in vivo 70% N2O exposure is less than half that in the absence of nitrous oxide (mean ± SD, 478 ± 275 um; n = 48) versus 210 ± 152 um (n = 48; P < 0.0001). A single exposure to 80% N2O inhibits the beneficial effects of folic acid on in vivo axonal regeneration after sharp spinal cord injury (13.4 ± 7.1% regenerating neurons [n = 12] vs. 0.6 ± 0.7% regenerating neurons [n = 4], P = 0.004). Serial 80% N2O administration reverses the benefit of folic acid on in vivo retinal ganglion cell axon regeneration after sharp optic nerve injury (1277 ± 180 regenerating retinal ganglion cells [n = 7] vs. 895 ± 164 regenerating retinal ganglion cells [n = 7], P = 0.005). Serial 80% N2O exposures reverses the benefit of folic acid on in vivo functional recovery after blunt spinal cord contusion (estimate for fixed effects ± standard error of the estimate: folic acid 5.60 ± 0.54 [n = 9] vs. folic acid + 80% N2O 5.19 ± 0.62 [n = 7], P < 0.0001). Conclusions These data indicate that nitrous oxide can impair the ability of central nervous system neurons to regenerate axons after sharp and blunt trauma.
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Wassan, Majid Ali, Khairul Habib, and Suhaimi B. Hassan. "Mathematical Modeling for the Regenerator of Liquid Desiccant Air-Conditioning System." Applied Mechanics and Materials 465-466 (December 2013): 226–31. http://dx.doi.org/10.4028/www.scientific.net/amm.465-466.226.

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T his paper presents mathematical model for regenerator of liquid desiccant air conditioning system. Regression analysis was used to get the relation between enthalpy and humidity ratio. Performance of regenerator is highly affected by varying the flow direction between air & desiccant thus to get proper regeneration results counter-flow configuration is considered. Previous studies show better regeneration results for counter-flow direction of air to desiccant. Validation is done by comparing results of present study the experimental results of previous studies and comparison was found to be quite satisfactory. Based on above mathematical model performance of regenerator was analyzed. The purpose of this research was regeneration of liquid desiccant from its dilute-solution form to strong-solution.
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Edgar, Allison, Dorothy G. Mitchell, and Mark Q. Martindale. "Whole-Body Regeneration in the Lobate Ctenophore Mnemiopsis leidyi." Genes 12, no. 6 (June 5, 2021): 867. http://dx.doi.org/10.3390/genes12060867.

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Ctenophores (a.k.a. comb jellies) are one of the earliest branching extant metazoan phyla. Adult regenerative ability varies greatly within the group, with platyctenes undergoing both sexual and asexual reproduction by fission while others in the genus Beroe having completely lost the ability to replace missing body parts. We focus on the unique regenerative aspects of the lobate ctenophore, Mnemiopsis leidyi, which has become a popular model for its rapid wound healing and tissue replacement, optical clarity, and sequenced genome. M. leidyi’s highly mosaic, stereotyped development has been leveraged to reveal the polar coordinate system that directs whole-body regeneration as well as lineage restriction of replacement cells in various regenerating organs. Several cell signaling pathways known to function in regeneration in other animals are absent from the ctenophore’s genome. Further research will either reveal ancient principles of the regenerative process common to all animals or reveal novel solutions to the stability of cell fates and whole-body regeneration.
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Echternacht, Scott R., Miranda A. Chacon, and Jonathan I. Leckenby. "Central versus peripheral nervous system regeneration: is there an exception for cranial nerves?" Regenerative Medicine 16, no. 6 (June 2021): 567–79. http://dx.doi.org/10.2217/rme-2020-0096.

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There exists a dichotomy in regenerative capacity between the PNS and CNS, which poses the question – where do cranial nerves fall? Through the discussion of the various cells and processes involved in axonal regeneration, we will evaluate whether the assumption that cranial nerve regeneration is analogous to peripheral nerve regeneration is valid. It is evident from this review that much remains to be clarified regarding both PNS and CNS regeneration. Furthermore, it is not clear if cranial nerves follow the PNS model, CNS model or possess an alternative novel regenerative process altogether. Future research should continue to focus on elucidating how cranial nerves regenerate; and the various cellular interactions, molecules and pathways involved.
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Ahmed-de-Prado, Sara, and Antonio Baonza. "Drosophila as a Model System to Study Cell Signaling in Organ Regeneration." BioMed Research International 2018 (2018): 1–11. http://dx.doi.org/10.1155/2018/7359267.

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Regeneration is a fascinating phenomenon that allows organisms to replace or repair damaged organs or tissues. This ability occurs to varying extents among metazoans. The rebuilding of the damaged structure depends on regenerative proliferation that must be accompanied by proper cell fate respecification and patterning. These cellular processes are regulated by the action of different signaling pathways that are activated in response to the damage. The imaginal discs of Drosophila melanogaster have the ability to regenerate and have been extensively used as a model system to study regeneration. Drosophila provides an opportunity to use powerful genetic tools to address fundamental problems about the genetic mechanisms involved in organ regeneration. Different studies in Drosophila have helped to elucidate the genes and signaling pathways that initiate regeneration, promote regenerative growth, and induce cell fate respecification. Here we review the signaling networks involved in regulating the variety of cellular responses that are required for discs regeneration.
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Si, Laisheng, and Xiuwei Li. "Solar interfacial regeneration performance of different solutions for liquid desiccant cooling system." Journal of Physics: Conference Series 2520, no. 1 (June 1, 2023): 012002. http://dx.doi.org/10.1088/1742-6596/2520/1/012002.

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Abstract A liquid desiccant cooling system (LDCS) is a promising energy-saving air-conditioning system with the advantages of being driven by low-grade heat and excellent humidity control ability. However, the problems of high energy consumption and low energy utilization efficiency of its regenerator limit its further development. To improve, a novel solar interfacial regeneration (SIR) method is proposed. The method can convert solar energy into heat and locate the heat at the evaporation interface so that the regenerator has high energy utilization efficiency. Experimental studies were carried out on different liquid desiccants. The results show that the thermal regeneration efficiency of this method is 2.6 to 2.9 times that of the conventional thermal regeneration method. LiBr solution has the best regeneration performance, but MgCl2 and CaCl2 are cheaper. Considering energy utilization efficiency and economic cost, the mixed desiccant may be a better choice. These advances could make SIR-based LDCS a potential contender for future air-conditioning systems.
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Dissertations / Theses on the topic "REGENERATION SYSTEM"

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MacLaren, Robert E. "Optic nerve regeneration." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318923.

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Brecknell, John Edward. "The rat nigrostriatal system : regeneration and reconstruction." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262821.

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Painter, Michio Wendell. "Regeneration in the aging peripheral nervous system." Thesis, Harvard University, 2014. http://dissertations.umi.com/gsas.harvard:11422.

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In the peripheral nervous system (PNS), aging is associated with a number of disorders, including a decline in regenerative capacity after injury. Although this decline has been observed in both rodents and humans for decades, the cellular and molecular underpinnings of this defect have remained elusive. As such, the goal of this thesis was to elucidate, at least in part, how aging impinges on axonal regeneration.
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Hager, Elizabeth A. (Elizabeth Ann). "Composite gelatin delivery system for bone regeneration." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/32844.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, June 2005.
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In this thesis, the chemical/mechanical properties and biocompatibility of gelatin were investigated to produce a gelatin scaffold for the release of bone morphogenetic proteins (BMPs) from composite particles. This delivery system, designed to regenerate bone, holds much promise as an alternative to bone grafts. The chemical properties of gelatin were examined through zeta potential measurements, swelling studies, optical microscopy, environmental scanning electron microscopy (ESEM), and collagenase degradation. Compressive tests and mercury porosimetry were performed to study the mechanical and structural properties of the scaffold. The biocompatibility of the scaffold was determined through cell optical imaging and DNA quantification studies. Based on findings of this research, the material choices were made and the synthesis method for the gelatin scaffold was developed. Gelatin A, 300B, derived from bovine collagen, with an isoelectric point of [approx.] 9, was selected. Crosslinking was accomplished by reacting 10 w/v% glutaraldehyde with 10 w/v% gelatin solution. The most effective crosslinking condition was found to be 5 hours at room temperature. Glycine rinses were conducted to cap any non- reacted (toxic) aldehyde groups, and the necessary length of time was found to be at least 48 hours at 37⁰C. Finally, based on pore size distribution and mechanical stability, an optimal lyophilization method was developed with initial freezing at -20⁰C for 1 day, followed by lyophilization of the scaffold for 1-2 days. In terms of mechanical properties of the gelatin and amount of protein delivered, the most effective loading of poly(lactic-co-glycolic acid)/apatite/protein composite particles was found to be 10% of the mass of the gelatin.
by Elizabeth A. Hager.
S.B.
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Stumpf, da Silva Taisa Regina. "Delivery Systems to Enhance Neural Regeneration in the Central Nervous System." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/39391.

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Hu, Ying. "Optic nerve regeneration in adult rat /." Connect to this title, 2006. http://theses.library.uwa.edu.au/adt-WU2007.0080.

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Cheah, Menghon. "Integrin activation in axon regeneration." Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708902.

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Vidal, Iglesias Berta. "The fibrinolitys system in muscle regeneration and dystrophy." Doctoral thesis, Universitat Pompeu Fabra, 2008. http://hdl.handle.net/10803/7143.

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Duchenne muscular dystrophy (DMD) is a fatal degenerative disorder of locomotor and respiratory muscles, in which myofibers are progressively replaced by non-muscular fibrotic tissue. Here, we show that fibrin/ogen accumulates in dystrophic muscles of DMD patients and of the mdx mouse model of DMD. Genetic loss or pharmacological depletion of fibrin/ogen in mdx mice attenuated muscular dystrophy progression and improved locomotor capacity. More importantly, fibrin/ogen depletion reduced fibrosis in mdx mouse diaphragm. Our data indicate that fibrin/ogen, through induction of IL-1 Ò, drives the synthesis of TGF Ò by mdx macrophages, which in turn, induces collagen production in mdx fibroblasts. Fibrin/ogen-produced TGF Ò further amplifies collagen accumulation through recruitment and activation of pro-fibrotic alternatively activated macrophages. Fibrin/ogen also stimulated collagen synthesis directly in mdx fibroblasts, via Ñv Ò3 integrin engagement. In addition, when analyzing a group of 39 DMD patients, fibrin/ogen accumulation in locomotor muscles was found associated with fibrosis and disease severity. These data unveil a novel role of fibrin/ogen in muscular dystrophy and, importantly, in the replacement of muscle by fibrotic tissue.
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Lapan, Sylvain William. "Regeneration and maintenance of the planarian nervous system." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/87912.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Biology, 2012.
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Planarians can regenerate all tissues, including the central nervous system and the eyes. This process depends on a population of cells in the adult, the neoblasts, that includes pluripotent stem cells. Whether the neoblast population also includes progenitors specialized for forming specific lineages has not been demonstrated. This thesis describes the identification of progenitors that contribute to eyes during regeneration. Expression and functional analyses identified the genes eyes absent, six- 1/2 and ovo as critical for the formation of all cells of the eye. otxA and soxB were specifically required for photoreceptor regeneration, and sp6-9 and dlx were required for regeneration of the optic pigment cup. Expression analysis of these transcription factors in situ revealed that eye progenitors were distributed in mesenchymal trails extending posteriorly from the regenerating eye. These progenitors originate in the neoblasts, and promixity to the eye primordium correlates with increased differentiation. The spatial and genetic identification of a progenitor population in planarians elucidates migratory and morphogenetic mechanisms underlying organ regeneration in these animals. RNA sequencing of eye tissue also identified hundreds of genes with highly enriched expression in the eye, including numerous orthologs of eye pathology-related gene as well as likely components of key visual processes such as phototransduction and optic pigment cell function. The planarian brain is composed of dozens of cell types with regionalized distribution. The function of the planarian hedgehog gene in the patterning of CNS regions was investigated. hedgehog was expressed in the medial planarian brain, flanked by nkx2 and nkx6, then pax6b, and finally dlx-1 and msx at the most distal positions. This organization is similar to the expression domains of orthologous transcription factors in the vertebrate neural tube. However, in contrast to vertebrates, the expression of nkx2, nkx6, and pax6b in planarians was not affected by loss of hedgehog expression. RNA sequencing analysis identified a strong effect of Hedgehog signaling genes on a medially positioned cell with glia-like features. Therefore, Hedgehog signaling affects formation of at least one cell type in the planarian brain, but does not broadly regulate transcription factor expression domains and cell type identity.
by Sylvain William Lapan.
Ph. D.
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Pellegrino, Cristina. "Decision support system for Brownfield Site Sustainable Regeneration." Thesis, Cardiff University, 2007. http://orca.cf.ac.uk/54600/.

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The work described in this thesis concerns the development of a Brownfield Site Sustainable Regeneration - Decision Support System (BSSR-DSS). The project aims to develop a pilot system that can provide information and alternatives for sustainable brownfield regeneration as a platform to make decisions in this context. One of the main characteristics of the BSSR-DSS is its ability to process the input data (related to site characteristics), run simulations and assess/evaluate different scenarios in order to obtain the most sustainable solution. The process input data for the BSSR-DSS relates to a wide range of sustainability indicators that have been developed in the European Project "RESCUE - Regeneration of European Sites in Cities and Urban Environments". The system involves the elaboration of methods and approaches using innovative mathematical techniques such as Artificial Neural Networks and Fuzzy Logic to analyze and evaluate the input data (site characteristics and sustainability indicators) to produce a significant output. The literature review undertaken confirmed that no current system integrating the two above mathematical techniques has been implemented to date. The system is also linked to a Geographic Information System (GIS) called MAPINFO. This allows extensive information searches to be undertaken that can be site specific, and the information displayed on a map.
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Books on the topic "REGENERATION SYSTEM"

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Richard, Salvi, ed. Auditory system plasticity and regeneration. New York: Thieme Medical Publishers, 1996.

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J, Seil Fredrick, Herbert E. 1926-, Carlson Bruce M, United States. Veterans Administration. Medical Research Service., and Paralyzed Veterans of America, eds. Neural regeneration. Amsterdam: Elsevier, 1987.

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J, Seil Fredrick, ed. Neural regeneration and transplantation. New York: A.R. Liss, 1989.

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Moffett, Stacia Brandon. Nervous System Regeneration in the Invertebrates. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-79839-9.

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Moffett, Stacia B. Nervous system regeneration in the invertebrates. Berlin: Springer, 1996.

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J, Seil Fredrick, ed. Neural plasticity and regeneration. New York: Elsevier Science B.V., 2000.

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Cajal's degeneration and regeneration of the nervous system. New York: Oxford University Press, 1991.

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J, Seil Fredrick, ed. Neural injury and regeneration. New York: Raven Press, 1993.

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Nona, S., J. Cronly-Dillon, C. Stafford, and M. Ferguson, eds. Development and Regeneration of the Nervous System. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2348-8.

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Timiras, Paola S., Alain Privat, Ezio Giacobini, Jean Lauder, and Antonia Vernadakis, eds. Plasticity and Regeneration of the Nervous System. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4684-8047-4.

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Book chapters on the topic "REGENERATION SYSTEM"

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Babaeva, Anna. "Immune System and Regeneration." In Recent Trends in Regeneration Research, 121–28. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4684-9057-2_11.

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Schenk, Michael. "Regeneration system for argon purifiers." In Studies with a Liquid Argon Time Projection Chamber, 51–65. Wiesbaden: Springer Fachmedien Wiesbaden, 2015. http://dx.doi.org/10.1007/978-3-658-09430-0_3.

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Graziadei, P. P. C., and G. A. Monti Graziadei. "Olfactory System, Turnover and Regeneration." In Sensory Systems: II, 74–75. Boston, MA: Birkhäuser Boston, 1988. http://dx.doi.org/10.1007/978-1-4684-6760-4_31.

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Gorio, Alfredo, and Flaminio Cattabeni. "Regeneration of the nervous system." In The Importance of Animal Experimentation for Safety and Biomedical Research, 57–69. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-1904-4_8.

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Yang, Xiliu, August Lehrecke, Cody Tucker, Rebeca Duque Estrada, Mathias Maierhofer, and Achim Menges. "Spatial Lacing: A Novel Composite Material System for Fibrous Networks." In Towards Radical Regeneration, 556–68. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-13249-0_44.

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Roberts-Galbraith, Rachel H. "RNAi Screening to Assess Tissue Regeneration in Planarians." In Methods in Molecular Biology, 509–27. New York, NY: Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-2172-1_27.

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AbstractOver the past several decades, planarians have emerged as a powerful model system with which to study the cellular and molecular basis of whole-body regeneration. The best studied planarians belong to freshwater flatworm species that maintain their remarkable regenerative capacity partly through the deployment of a population of adult pluripotent stem cells. Assessment of gene function in planarian regeneration has primarily been achieved through RNA interference (RNAi), either through the feeding or injection of double-stranded RNA (dsRNA). RNAi treatment of planarians has several advantages, including ease of use, which allows for medium-throughput screens of hundreds of genes over the course of a single project. Here, I present methods for dsRNA synthesis and RNAi feeding, as well as strategies for follow-up assessment of both structural and functional regeneration of organ systems of planarians, with a special emphasis on neural regeneration.
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Thorpe, L. W., B. Morgan, C. Beck, K. Werrbach-Perez, and J. R. Perez-Polo. "Nerve Growth Factor and the Immune System." In Neural Development and Regeneration, 583–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73148-8_49.

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Sicard, Raymond E., and Mary F. Lombard. "Epimorphic Regeneration and the Immune System." In Recent Trends in Regeneration Research, 107–19. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4684-9057-2_10.

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Abdelmagid, Aly, Ahmed Elshafei, Mohammad Mansouri, and Ahmed Hussein. "A Design Model for a (Grid)shell Based on a Triply Orthogonal System of Surfaces." In Towards Radical Regeneration, 46–60. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-13249-0_5.

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Traylor-Knowles, Nikki, and Madison Emery. "Analysis of Spatial Gene Expression at the Cellular Level in Stony Corals." In Methods in Molecular Biology, 359–71. New York, NY: Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-2172-1_19.

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AbstractScleractinians, or stony corals, are colonial animals that possess a high regenerative capacity and a highly diverse innate immune system. As such they present the opportunity to investigate the interconnection between regeneration and immunity in a colonial animal. Understanding the relationship between regeneration and immunity in stony corals is of further interest as it has major implications for coral reef health. One method for understanding the role of innate immunity in scleractinian regeneration is in situ hybridization using RNA probes. Here we describe a protocol for in situ hybridization in adult stony corals using a digoxigenin (DIG)-labeled RNA antisense probe which can be utilized to investigate the spatial expression of immune factors during regeneration.
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Conference papers on the topic "REGENERATION SYSTEM"

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Huang, Francis F., and Tim Naumowicz. "Thermodynamic Study of an Indirect Fired Air Turbine Cogeneration System With Regeneration." In ASME 1987 International Gas Turbine Conference and Exhibition. American Society of Mechanical Engineers, 1987. http://dx.doi.org/10.1115/87-gt-34.

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A previous study of an indirect fired air turbine cogeneration system has been extended to include the concept of regeneration. The effect of regenerator effectiveness and full regeneration as well as partial regeneration on system performance parameters (such as fuel utilization efficiency, power-to-heat ratio and second-law efficiency) are examined. An important conclusion of this study is that a regenerative gas turbine cogeneration system is capable of producing large power-to-heat ratios for various process conditions requiring the use of only moderate compressor compression ratio and moderately effective regenerators. It appears that this is an attractive system which could compete in a market that is currently dominated by internal combustion engines when a viable fludized bed air heater is available.
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Midlam-Mohler, Shawn, and Yann Guezennec. "Modeling of a Partial-Flow, Diesel, Lean NOx Trap Systems." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80834.

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Lean NOx Traps (LNTs) have shown promise for Diesel applications; however, production implementation in vehicles poses a number of challenges. Much of the literature reports on LNT systems in which the catalyst always receives the full flow of exhaust from the engine, referred here as full-flow regeneration systems. Another implementation of the LNT is one in which the exhaust can be partially or fully diverted from the catalyst to allow local introduction of the necessary reductants for regeneration. The physical aspects of one such system, as well as a control-oriented model are presented with experimental validation. In the system described here, the exhaust flow is diverted around the catalyst during regenerations. In the low exhaust flow through the catalyst, reductant is added (Diesel fuel typically) which provides the rich conditions for regenerating the trap. This allows the engine to continue to run in normal lean mode, which overcomes one of the major challenges for full-flow regeneration systems. Successful regeneration with liquid Diesel fuel is strongly dependent on catalyst temperature, which is addressed by proper thermal management of the system through the addition of fuel prior to regeneration. In this paper, both component level and vehicle level simulations are presented in terms of fuel economy versus NOx reduction. Several different system configurations and control strategies are compared.
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Midlam-Mohler, S., and Y. Guezennec. "Regeneration Control for a Bypass-Regeneration Lean NOx Trap System." In 2006 American Control Conference. IEEE, 2006. http://dx.doi.org/10.1109/acc.2006.1656381.

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Al-Sulaiman, Faleh A., and P. Gandhidasan. "Energy Analysis of Liquid Desiccant Based Evaporative Cooling System." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79163.

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This paper presents preliminary findings of the energy analysis of a cooling system with multistage evaporative coolers using liquid desiccant dehumidifier between the stages. The proposed evaporative cooling system utilizes the air humidity for cooling in humid areas and requires no additional water supply. The major energy requirement associated with this cooling system is the energy for regenerating the weak liquid desiccant. In this paper two types of energy namely thermal energy as well as mechanical energy are considered for regeneration. For thermal energy, the heat input for regeneration is supplied from the conventional energy sources such as a simple line heater. Reverse osmosis (RO) process is considered for regeneration by mechanical energy and MFI zeolite membrane is proposed for separation of water from the weak desiccant solution. Energy analysis has been carried out for both methods of regeneration. The results show that the energy consumption is about 25% less for the mechanical regeneration system with 3 % recovery than the thermal energy regeneration system to increase the desiccant solution temperature of 22°C. The COP of the proposed cooling system is defined as the cooling effect by the mass rate of water evaporated in the system divided by the amount of energy supplied to the system, that is, the COP is independent of the energy source.
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Ichikawa, Yukihito, Isao Hattori, and Yoshiyuki Kasai. "The Regeneration Efficiency Improvement of the Reverse Pulse Air Regenerating DPF System." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1996. http://dx.doi.org/10.4271/960127.

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Candrawati, Ria, and Azween bin Abdullah. "Proposed methods for self-regeneration system." In 2009 IEEE Student Conference on Research and Development (SCOReD). IEEE, 2009. http://dx.doi.org/10.1109/scored.2009.5443165.

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Gerum, Eduard. "Flow-Controlled Air Dryer Regeneration System." In SAE International Truck and Bus Meeting and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1986. http://dx.doi.org/10.4271/861963.

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Kim, Jonghyun, Paolo Scalea, Jeongmoon Kim, and Seongyoon Kang. "Mono Ethylene Glycol Regeneration System Upgrade." In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. Society of Petroleum Engineers, 2019. http://dx.doi.org/10.2118/196303-ms.

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Zou, Zhongyue, Junyi Cao, Chengbin Ma, and Huarong Zhang. "A Measurement System for Electric Vehicle Powered by Supercapacitors." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47138.

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Due to the high power density of supercapacitors, it is adopted in electric vehicles to essentially guarantee to recover more regenerative energy. However, there is still not a valid set of measurement methods to gauge the energy absorbed from regeneration system, the measurement and evaluation system for regenerative energy require to be investigated in order to estimate the performance of electric vehicles. Based on the analysis of the regenerative braking energy system of a supercapacitor truck, a measurement and evaluation system for recycling energy in the braking process is established. Meanwhile, the experiments of supercapacitor vehicle under various braking condition are carried out. The results show the effectiveness of the proposed braking energy recycling measurement method.
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Hammack, Scott, and Dale Schinstock. "Axial-Flux Motor System Efficiency in a Solar Powered Vehicle." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79602.

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This paper presents a study of maximizing motor system efficiency for a solar powered vehicle by providing guidelines for the setup and operation of the motor system. It describes the vehicle, the motor system, and the dynamometer used for testing. Solar racecars use the axial flux motor described in the work because of its high efficiency, direct drive feature, and lead screw driven variable air gap. We present efficiency test results at a range of operating points. Motor operation in drive and regeneration modes is covered. During regeneration mode testing, the axial flux motor system converts mechanical energy provided by the dynamometer to electrical energy. In drive mode, the dynamometer absorbs the mechanical energy produced by the axial flux motor. The parameters varied in studying motor efficiency are battery voltage, speed, torque, and air gap size. Regeneration efficiency as influenced by back EMF is discussed. Guidelines for motor operation are developed. For example, guidelines for setting the motor air gap as a function of speed are given. The users of solar powered vehicles can employ these guidelines to setup and operate the motor more efficiently through improved regenerative energy capture and decreased drive losses. Application of the guidelines may be extended to other electric and hybrid vehicles, thus improving automotive energy efficiency.
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Reports on the topic "REGENERATION SYSTEM"

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Sakurai, Hiroo, Yasuyuki Banno, and Makoto Nagata. Study of Soot Regeneration Uniformity on DOC+CSF System. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0315.

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Gray, Dennis, and Victor Gaba. Genotype, Explant and Growth Regulator Effects in the Determination of Adventitious Regeneratin in Curcurbits, in Aid of Genetic Transformation. United States Department of Agriculture, June 1992. http://dx.doi.org/10.32747/1992.7561060.bard.

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The objective of this study was to gain an understanding of the in vitro regeneration process in watermelon and melon to enable the development of genetic transformation systems. The objectives were met and additional progress, unplanned during the original proposal, was made. Organogenic regeneration in vitro was studied in both melon and watermelon. Genotype played a significant role in regeneration. In melon, epidermal cells were responsible for most regeneration. Methods to obtain in vitro-derived watermelon tetraploids, needed for seedless varieties, were developed. The culture systems were refined so that they could be routinely used for transformation. Particle guns were constructed and Agrobacterium strains were obtained to study the effect of transformation procedures on culture system performance, allowing refinement of transformation protocols. The culture systems were shown to enable the stable transformation of both crops, allowing their future use for insertion of agriculturally-important genes. In addition, we showed that shoot apical meristems might be suitable target tissue for transformation and allow a wider range of genotypes to be used, which is needed for crops as diverse as cucurbits.
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Igarashi, Tatsuki, and Mori Ishii. Improvement of an Active Regeneration DPF System by Using a SiC Honeycomb Filter. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0149.

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YuPo, J. Lin, Hann S. Huang, and C. D. Livengood. Regeneration of ferrous EDTA in an SO{sub 2}/NO{sub x} scrubber system by electrochemical methods. Office of Scientific and Technical Information (OSTI), July 1995. http://dx.doi.org/10.2172/97093.

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Author, Not Given. Solar fuels and chemicals system design study - production and regeneration of activated carbon: Final report: Volume 3, Appendices. Office of Scientific and Technical Information (OSTI), March 1987. http://dx.doi.org/10.2172/6465564.

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Burke, Robert E. Activation of mTor Signaling by Gene Transduction to Induce Axon Regeneration in the Central Nervous System Following Neural Injury. Fort Belvoir, VA: Defense Technical Information Center, March 2014. http://dx.doi.org/10.21236/ada605980.

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Burke, Robert E. Activation of mTor Signaling by Gene Transduction to Induce Axon Regeneration in the Central Nervous System Following Neural Injury. Fort Belvoir, VA: Defense Technical Information Center, May 2013. http://dx.doi.org/10.21236/ada602707.

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Author, Not Given. Solar fuels and chemicals system design study - Production and regeneration of activated carbon: Final report: Volume 2, Conceptual design. Office of Scientific and Technical Information (OSTI), March 1987. http://dx.doi.org/10.2172/6545976.

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Author, Not Given. Solar fuels and chemicals system design study - Production and regeneration of activated carbon: Final report: Volume 1, Executive summary. Office of Scientific and Technical Information (OSTI), March 1987. http://dx.doi.org/10.2172/6545982.

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Bauza, Rodrigo, and Daniel Olsen. PR-179-20200-R01 Improved Catalyst Regeneration Process to Increase Poison Removal. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), June 2021. http://dx.doi.org/10.55274/r0012106.

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In this work, the details of catalyst poison deposition are studied, and new catalyst restoration methods are explored. Lubrication oil makes its way through the combustion chamber and into the exhaust system, depositing poisons onto the catalyst and degrading catalyst performance. To estimate the degradation rate of the units and to find the best restoration method, two identical alumina-platinum oxidation catalysts were used in a dual setting, combining a field degradation engine and a laboratory testing engine. In order to find the best restoration process, the combination of both baking and washing is tested with poison deposition and performance analysis, and a hydrogen reduction is tested for the restoration of the platinum crystallites. The units were aged, then restored with the industry-standard washing procedure, then aged again until reaching non-compliance with emissions standards, and then restored a second time with a modified version of the industry-standard washing process that combines baking and washing. There is a related webinar.
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