Academic literature on the topic 'Clinostat'

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Journal articles on the topic "Clinostat"

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Neff, Anton W., George M. Malacinski, and Hae-Moon Chung. "Microgravity simulation as a probe for understanding early Xenopus pattern specification." Development 89, no. 1 (1985): 259–74. http://dx.doi.org/10.1242/dev.89.1.259.

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Pattern specification in early amphibians Xenopus) was monitored in embryos subjected to gravity compensation (microgravity simulation) by constant low-speed rotation on a horizontal axis (clinostat). The useful range of clinostat speeds was determined empirically. The results were interpreted in terms of a set of models which account for the reorganization of the egg cytoplasm that follows fertilization and that correlates with the establishment of dorsal/ventral polarity. Large percentages of clinostated eggs displayed a positive result (normal axial structure morphogenesis). Consequently, n
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Le, The Bien, Thanh Tung Hoang, Thi Nhu Mai Nguyen, et al. "In vitro morphogenesis, antioxidant enzyme activity and secondary compound accumulation of Phyllanthus amarus under Clinostat 2D condition." Ministry of Science and Technology, Vietnam 66, no. 2 (2024): 49–54. http://dx.doi.org/10.31276/vjst.66(2).49-54.

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In this study, 4-week-old internodes of in vitroPhyllanthus amarus with 1 cm in length were cut in a half longitudinal section and cultured under 2D clinostat and control conditions to evaluate in vitro morphogenesis, antioxidant enzyme activity and secondary compound accumulation. The results showed that 34.33% of explants induced callus and 65.67% of explants formed adventitious root under 2D clinostat compared with 100% explants induced callus under control after 4 weeks of culture. In addition, the fresh and dry weights of callus clusters (792.00 and 79.17 mg, respectively) under 2D clinos
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Nishikawa, Masataka, Hajime Ohgushi, Noriyuki Tamai, et al. "The Effect of Simulated Microgravity by Three-Dimensional Clinostat on Bone Tissue Engineering." Cell Transplantation 14, no. 10 (2005): 829–35. http://dx.doi.org/10.3727/000000005783982477.

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Evidence suggests that mechanical stress, including gravity, is associated with osteoblast differentiation and function. To examine effects of microgravity on bone tissue engineering, we used a three-dimensional (3D) clinostat manufactured by Mitsubishi Heavy Industries (Kobe, Japan). A 3D clinostat is a device that generates multidirectional G force. By controlled rotation on two axes, it cancels the cumulative gravity vector at the center of the device. We cultured rat marrow mesenchymal cells (MMCs) in the pores of interconnected porous calcium hydroxyapatite (IP-CHA) for 2 weeks in the pre
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Horn, Astrid, Oliver Ullrich, Kathrin Huber, and Ruth Hemmersbach. "PMT (Photomultiplier) Clinostat." Microgravity Science and Technology 23, no. 1 (2010): 67–71. http://dx.doi.org/10.1007/s12217-010-9234-5.

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Malczyk, Maciej, Tomasz Blachowicz, and Andrea Ehrmann. "Coupled System of Dual-Axis Clinostat and Helmholtz Cage for Simulated Microgravity Experiments." Applied Sciences 14, no. 20 (2024): 9517. http://dx.doi.org/10.3390/app14209517.

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The experimental investigation of plant growth under space conditions is a necessary prerequisite of long-term space missions. Besides experiments in space, many studies are performed under simulated microgravity, using a clinostat. However, the Earth magnetic field is usually not taken into account in such investigations. Here, a self-designed and constructed system of coupled devices—a clinostat and a Helmholtz cage—is presented. The clinostat can, on average, cancel the effective gravity field by using two independent rotations, enabling simulated zero-valued gravity experiments. Additional
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Benoit, Michael, and David Klaus. "Can genetically modified Escherichia coli with neutral buoyancy induced by gas vesicles be used as an alternative method to clinorotation for microgravity studies?" Microbiology 151, no. 1 (2005): 69–74. http://dx.doi.org/10.1099/mic.0.27062-0.

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Space flight has been shown to affect various bacterial growth parameters. It is proposed that weightlessness allows the cells to remain evenly distributed, consequently altering the chemical makeup of their surrounding fluid, and hence indirectly affecting their physiological behaviour. In support of this argument, ground-based studies using clinostats to partially simulate the quiescent environment attained in microgravity have generally been successful in producing bacterial growth characteristics that mimic responses reported under actual space conditions. A novel approach for evaluating t
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Belyak, A. M., А. А. Shilovich, A. S. Krivobok, V. B. Nikitin, and T. N. Bibikova. "DETERMINATION OF THE EFFECT OF DIRECTED LIGHTING BY BLUE LIGHT-EMITTING DIODES ON GROWTH OF TAP ROOTS OF ARABIDOPSIS THALIANA SEEDLINGS DURING SLOW 2D-CLINOSTAT ROTATION." Aerospace and Environmental Medicine 56, no. 6 (2022): 79–87. http://dx.doi.org/10.21687/0233-528x-2022-56-6-79-87.

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The paper presents the results of experiments with 48-hour horizontal and vertical clinostatting of 5-day old Arabidopsis thaliana seedlings in 2 types of lighting, i.e. white light (4000 cd) and lateral blue light (450 nm). The experiments were performed in a clinostat designed to install Petri dishes with juvenile Arabidopsis thaliana in the horizontal and rotate it about the horizontal axis at a speed of 1 rev/min. Angular bend of the main root (MR) was measured as it elongated. It was demonstrated that, on the average, vertical clinostating in white light caused a more significant MR depar
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Yamada, M., Y. Takeuchi, H. Kasahara, S. Murakami, and M. Yamashita. "Plant Growth under Clinostat-Microgravity Condition." Biological Sciences in Space 7, no. 2 (1993): 116–19. http://dx.doi.org/10.2187/bss.7.116.

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Oluwafemi, Funmilola. "Gravity Variation Effects on the Growth of Maize Shoots." Physical Sciences Forum 2, no. 1 (2021): 21. http://dx.doi.org/10.3390/ecu2021-10184.

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Gravity variation effects on plants provide definite changes. Normal Earth gravity (1G) and microgravity (µg) are possible variations for experimental purposes. On-board spaceflight microgravity experiments are rare and expensive, as the microgravity environment is an outstanding platform for research, application and education. A Clinostat was used for ground-based experiments to investigate the shoot morphology of maize plants at the Space Agency of Nigeria—National Space Research and Development Agency (NASRDA). A Clinostat device uses rotation to negate gravitational pull effects on plant
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Kordyum, E. L., and V. O. Brykov. "Statoliths displacement in root statocytes in real and simulated microgravity." Kosmìčna nauka ì tehnologìâ 27, no. 2 (2021): 78–84. http://dx.doi.org/10.15407/knit2021.02.078.

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Despite the long-term employment of different types of clinostats in space and gravitational biology, the discussions about their reliability to mimic microgravity in space flight are still ongoing. In this paper, we present some data about the behaviour of amyloplasts-statoliths in root cap statocytes of higher plant seedlings growing during 3–5 days under slow and fast 2-D clinorotation and real microgravity in orbital flight. In addition, data on the displacement of amyloplasts in the statocytes of seedlings subjected to vibration and acceleration in the launch mode of a spacecraft are also
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Dissertations / Theses on the topic "Clinostat"

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Al-Ajmi, Nada Muhammad Zayd. "The effect of clinostat rotation on osteoblast behaviour." Thesis, University of Manchester, 1997. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.668169.

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Alves, Karina de Oliveira. "Desenvolvimento de um clinostato tridimensional com três eixos de rotação que permite a troca de suportes de amostras." Pontifícia Universidade Católica do Rio Grande do Sul, 2013. http://hdl.handle.net/10923/5560.

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Made available in DSpace on 2013-11-27T18:52:24Z (GMT). No. of bitstreams: 1 000452598-Texto+Completo-0.pdf: 3459576 bytes, checksum: dca208c27ca12a09b5737ac83835a6e6 (MD5) Previous issue date: 2013<br>In recent decades, studies with astronauts and animals have shown that during and after space flights, the function of many organs and systems has undergone physiological changes, including changes in the liquid head, loss of fluids and electrolytes, muscle loss, and reduced immune response. There are also some experiments showing that the gravity can influence the formation of the crystal str
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Alves, Karina de Oliveira. "Desenvolvimento de um clinostato tridimensional com tr?s eixos de rota??o que permite a troca de suportes de amostras." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2013. http://tede2.pucrs.br/tede2/handle/tede/3054.

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Made available in DSpace on 2015-04-14T13:56:28Z (GMT). No. of bitstreams: 1 452598.pdf: 3459576 bytes, checksum: dca208c27ca12a09b5737ac83835a6e6 (MD5) Previous issue date: 2013-08-27<br>In recent decades, studies with astronauts and animals have shown that during and after space flights, the function of many organs and systems has undergone physiological changes, including changes in the liquid head, loss of fluids and electrolytes, muscle loss, and reduced immune response. There are also some experiments showing that the gravity can influence the formation of the crystal structure of subs
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Novelo, Lucas. "Aperfei?oamento do Clinostato 3D e seu uso no estudo dos efeitos da microgravidade em sementes de milho." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2016. http://tede2.pucrs.br/tede2/handle/tede/6814.

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Submitted by Setor de Tratamento da Informa??o - BC/PUCRS (tede2@pucrs.br) on 2016-07-08T16:42:21Z No. of bitstreams: 1 DIS_LUCAS_NOVELO_PARCIAL.pdf: 3893159 bytes, checksum: 73e4c3e87f1ff46dc87928c661e3010f (MD5)<br>Made available in DSpace on 2016-07-08T16:42:21Z (GMT). No. of bitstreams: 1 DIS_LUCAS_NOVELO_PARCIAL.pdf: 3893159 bytes, checksum: 73e4c3e87f1ff46dc87928c661e3010f (MD5) Previous issue date: 2016-01-20<br>The gravity is a force present in entire world and acted during the evolutionary process of the all species. Every biological structure present on Earth is adapted to this for
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Martinelli, Leonardo Krás Borges. "Aperfeiçoamento e validação do clinostato 3D e seu uso no estudo de células do sistema imune humano." Pontifícia Universidade Católica do Rio Grande do Sul, 2007. http://hdl.handle.net/10923/3162.

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Made available in DSpace on 2013-08-07T18:53:10Z (GMT). No. of bitstreams: 1 000394809-Texto+Completo-0.pdf: 1360932 bytes, checksum: 45e91ad1f071e04247b153dcbb6a6629 (MD5) Previous issue date: 2007<br>Exposure to microgravity produces changes in the immunological system at cellular level, as well as in the major physiological systems of the body. Weightlessness suppresses lymphocytic functions involved in the immunity process, such as cell locomotion and expression of antigen. The present study aimed at improving the third prototype of the Microgravity Center/PUCRS 3D-Clinostat, a device us
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Martinelli, Leonardo Kr?s Borges. "Aperfei?oamento e valida??o do clinostato 3D e seu uso no estudo de c?lulas do sistema imune humano." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2007. http://tede2.pucrs.br/tede2/handle/tede/3089.

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Made available in DSpace on 2015-04-14T13:56:39Z (GMT). No. of bitstreams: 1 394809.pdf: 1360932 bytes, checksum: 45e91ad1f071e04247b153dcbb6a6629 (MD5) Previous issue date: 2007-08-20<br>A exposi??o ? microgravidade acarreta altera??es na atividade do sistema imunol?gico a n?vel celular, bem como na maioria dos sistemas fisiol?gicos do organismo. O ambiente desprovido de for?a gravitacional inibe fun??es linfocit?rias envolvidas no processo de defesa imune do corpo humano, como locomo??o celular e express?o de ant?genos. O clinostato ? uma das ferramentas utilizadas para simular microgravid
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Stanevičiūtė, Simona. "Neįgalių asmenų, su lėtiniais nugaros smegenų pakenkimais, kvėpavimo funkcijos mechanizmų pokyčiai orto-klinostazės poveikyje." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2008. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2008~D_20080618_125337-46843.

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Tyrimo naujumas ir aktualumas: Atlikta mokslinių tyrimų analizė rodo, kad kvėpavimo sistemos reguliacijos pokyčių asmenims, su lėtiniais nugaros smegenų pažeidimais (LNSP) tyrimai išlieka aktualūs iki šiol. Kol kas nėra pilnai aišku, kaip kvėpavimo funkcijos mechanizmai, tarpšonkaulinių įkvėpimo ir iš kvėpimo raumenų bei diafragmos veikla, o taip pat bronchų spindis kinta ir sąveikauja tarpusavyje, priklausomai nuo nugaros smegenų įvairaus lygmens pažeidimo poveikyje atsiradusių krūtinės ląstos ir pilvo raumenų paralyžiaus, nes kompleksinių tyrimų nebuvo atlikta. Taip pat neaišku, kaip šie me
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Ramirez, Lynnette E. S. "Dynamics Of A Spherical Particle In A Model Clinostat Or Bioreactor." Thesis, 2004. http://hdl.handle.net/10125/10492.

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Books on the topic "Clinostat"

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Al-Ajmi, Nada Mohammad Zaid. The effect of clinostat rotation on osteoblast behaviour. University of Manchester, 1997.

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Hatton, Jason Paul. The biological effects of microgravity in Coprinus Cinereus: Clinostat trials for spaceflight studies. University of Manchester, 1993.

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Bhaskaran, Santosh. Clinostat: Principles and Applications. Elsevier Science & Technology Books, 2013.

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Book chapters on the topic "Clinostat"

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Wrzesinski, Krzysztof, Helle Sedighi Frandsen, Carlemi Calitz, Chrisna Gouws, Barbara Korzeniowska, and Stephen J. Fey. "Clinostat 3D Cell Culture: Protocols for the Preparation and Functional Analysis of Highly Reproducible, Large, Uniform Spheroids and Organoids." In Methods in Molecular Biology. Springer US, 2021. http://dx.doi.org/10.1007/978-1-0716-1246-0_2.

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Hasenstein, Karl H., and Jack J. W. A. van Loon. "Clinostats and Other Rotating Systems—Design, Function, and Limitations." In Generation and Applications of Extra-Terrestrial Environments on Earth. River Publishers, 2022. http://dx.doi.org/10.1201/9781003338277-17.

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Wrzesinski, Krzysztof, Søren Alnøe, Hans H. Jochumsen, et al. "A Purpose-Built System for Culturing Cells as In Vivo Mimetic 3D Structures." In BioMechanics and Functional Tissue Engineering [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96091.

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Culturing cells in 3D is often considered to be significantly more difficult than culturing them in 2D. In practice, this is not the case: the situation is that equipment needed for 3D cell culture has not been optimised as much as equipment for 2D. Here we present a few key features which must be considered when designing 3D cell culture equipment. These include diffusion gradients, shear stress and time. Diffusion gradients are unavoidably introduced when cells are cultured as clusters. Perhaps the most important consequence of this is that the resulting hypoxia is a major driving force in t
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Conference papers on the topic "Clinostat"

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Kritsabannarat, Suchayaa, Tanthai Thummasorn, Pattarada Maneesri, et al. "The Effect of Simulated Microgravity by Clinostat on the Stability of Circular DNA and Circular mRNA." In IAF/IAA Space Life Sciences Symposium, Held at the 75th International Astronautical Congress (IAC 2024). International Astronautical Federation (IAF), 2024. https://doi.org/10.52202/078355-0150.

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Rojas-Moreno, Arturo, and Freddy Santos-Rodriguez. "Design of a novel 3DOF clinostat to produce microgravity for bioengineering applications." In 2018 IEEE XXV International Conference on Electronics, Electrical Engineering and Computing (INTERCON). IEEE, 2018. http://dx.doi.org/10.1109/intercon.2018.8526401.

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Cacayurin, Christian Rae C., Juan Carlos L. De Chavez, Mariah Christa G. Lansangan, et al. "An Engineered Design of 3-axis Clinostat for Simulated Gravity Experiments in Astrobotany." In 2023 IEEE 15th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment, and Management (HNICEM). IEEE, 2023. http://dx.doi.org/10.1109/hnicem60674.2023.10589067.

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Russomano, T., R. B. Cardoso, F. P. Falcao, et al. "Development and Validation of a 3D Clinostat for the Study of Cells during Microgravity Simulation." In 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference. IEEE, 2005. http://dx.doi.org/10.1109/iembs.2005.1616474.

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Barreto, Ricardo, Jose Cornejo, Juan Carlos Suarez-Quispe, and Carlos Nina Ochoa. "Conceptual Technical Design of 3-Dimension Rotational Clinostat for Microgravity Simulation focused on Agro-Engineering Applications for Small Plants Cultivation." In 2022 IEEE XXIX International Conference on Electronics, Electrical Engineering and Computing (INTERCON). IEEE, 2022. http://dx.doi.org/10.1109/intercon55795.2022.9870112.

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