Relevant bibliographies by topics / Manipulators (Mechanism)

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Manipulators (Mechanism)'

Author: Grafiati
Published: 4 June 2021
Last updated: 30 July 2024

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Journal articles on the topic "Manipulators (Mechanism)"

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Liu, H., J. S. Dai, H. Y. Xu, and H. Li. "Virtual-mechanism-based analysis of cooperative manipulation." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 219, no. 3 (March 1, 2005): 315–23. http://dx.doi.org/10.1243/095440604x16830.

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This paper proposes a new approach for analysing cooperative manipulation in which cooperative manipulators form a mechanism closure that allows a virtual-mechanism-based analysis to take place. The method is based on the geometry of manipulators during manipulation and converts the cooperative manipulation problem into the analysis of a hypothetical mechanism so that the mechanism theory can be used for the manipulation. This mechanism is hence generated by the fact that the end points (or geometric centres of respective grippers) of cooperative manipulators coincide with a virtual joint duri
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Geonea, Ionut, Alexandru Margine, and Alin Ungureanu. "Study upon the Dynamic Answer of Plane Manipulators." Advanced Materials Research 463-464 (February 2012): 1304–8. http://dx.doi.org/10.4028/www.scientific.net/amr.463-464.1304.

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The paper illustrates the structure of plane mechanical systems used to manipulators. In the first part are presented some kinematics schemes used to plane manipulators. These mechanisms are used to manipulators, positioning and control systems. In generally these mechanisms have two or three degree of mobility. The purpose of the paper is to study the dynamics of a plane manipulator mechanical system used to manipulate garbage containers. It is presented the kinematics scheme of a plane manipulator, used to this purpose and is presented the mechanism functional description. In the second part
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Lu, Yi, Cong Cong, Chen Liwei, and Peng Wang. "Solving elastic deformation of some parallel manipulators with linear active legs using computer-aided design variation geometry." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 227, no. 12 (February 19, 2013): 2810–24. http://dx.doi.org/10.1177/0954406213478374.

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It has been a significant and challenging issue to determine the elastic deformation of parallel manipulators for their precision analysis and control. A new method is proposed and studied for solving the elastic deformation of some parallel manipulators with linear active legs using computer-aided design variation geometry. First, an original simulation mechanism of a parallel manipulator is constructed; each of the vectors in the force transformation matrix of the parallel manipulators is constructed by this simulation mechanism. The active/constrained wrench and their pose are determined ba
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Dai, J. S., and P. Shah. "Orientation capability of planar serial manipulators using rotatability analysis based on workspace decomposition." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 216, no. 3 (March 1, 2002): 275–88. http://dx.doi.org/10.1243/0954406021524990.

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This paper presents a new approach for analysing and synthesizing the orientation capability of planar serial manipulators. By relating the end-effector to the base joint of a manipulator using a virtual adjustable link, the paper converts the open-chain kinematic problem into that of an equivalent close-chain mechanism, and characterizes the relationship between the orientation capability of a serial manipulator and the rotatability of the equivalent mechanism. The orientation capability of a manipulator can hence be placed in the realm of mechanism rotatability. The approach is taken further
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Lu, Yi, and Bo Hu. "A Unified Approach to Solving Driving Forces in Spatial Parallel Manipulators With Less Than Six DOFs." Journal of Mechanical Design 129, no. 11 (November 3, 2006): 1153–60. http://dx.doi.org/10.1115/1.2771237.

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A unified approach to solving driving forces in spatial parallel manipulators with less than six DOFs is proposed. First, the geometric constrained equations of the parallel manipulators are derived, and some independent pose parameters and a common transformation matrix with three translations and three Euler rotations are determined. Second, the common formulas for solving inverse kinematics, the Jacobian matrix, and velocity are derived. Third, a common virtual serial mechanism with three virtual prismatic joints and three virtual revolute joints corresponding to three Euler rotations is co
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Saito, Takashi Kei, Kento Onodera, Riku Seino, Takashi Okawa, and Yasushi Saito. "300-N Class Convex-Based Telescopic Manipulator and Trial for 3-DOF Parallel Mechanism Robot." Journal of Robotics and Mechatronics 33, no. 1 (February 20, 2021): 141–50. http://dx.doi.org/10.20965/jrm.2021.p0141.

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We designed a new telescopic manipulator that uses a clustered elastic convex tape. The manipulator has an ultra-wide expansion range and toughness against mechanical stress. Compared to conventional linear actuators, our convex-type manipulators have high extension range and are very lightweight. Moreover, they are compact when rolled up. The telescopic manipulators designed in the previous study had insufficient output due to structural problems and were unstable. In this study, we report a Type-K telescopic manipulator mechanism (Makijaku-Ude Type-K), which is a redesigned manipulator that
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Petrescu, Florian Ion, and Relly Victoria Petrescu. "Presenting a Railbound Forging Manipulator." Applied Mechanics and Materials 762 (May 2015): 219–24. http://dx.doi.org/10.4028/www.scientific.net/amm.762.219.

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Heavy payload forging manipulators are mainly characterized by large load output and large capacitive load input. The relationships between outputs and inputs have greatly influence about the control and the reliability. Forging manipulators have become more prevalent in the industry today. They are used to manipulate objects to be forged. The most common forging manipulators are moving on a railway to have a greater precision and stability. They have been called the railbound forging manipulators. In this paper one presents the general aspects of a railbound forging manipulator, like geometry
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Ebert-Uphoff, Imme, Cle´ment M. Gosselin, and Thierry Laliberte´. "Static Balancing of Spatial Parallel Platform Mechanisms—Revisited." Journal of Mechanical Design 122, no. 1 (January 1, 2000): 43–51. http://dx.doi.org/10.1115/1.533544.

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This article discusses the development of statically balanced spatial parallel platform mechanisms. A mechanism is statically balanced if its potential energy is constant for all possible configurations. This property is very important for robotic manipulators with large payloads, since it means that the mechanism is statically stable for any configuration, i.e., zero actuator torques are required whenever the manipulator is at rest. Furthermore, only inertial forces and moments have to be sustained while the manipulator is moving. The application that motivates this research is the use of par
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Ding, Wen Hua, Hua Deng, Yi Zhang, and Yao Qing Ren. "Optimum Design of the Jaw Clamping Mechanism of Forging Manipulators Based on Force Transmissibility." Applied Mechanics and Materials 157-158 (February 2012): 737–42. http://dx.doi.org/10.4028/www.scientific.net/amm.157-158.737.

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In this paper, the jaw clamping mechanism of a forging manipulator is regarded as a slider-crank mechanism. First, the force Jacobian matrix of the mechanism is obtained according to the dual relationship of velocity Jacobian matrix and force Jacobian matrix. Then, the performance atlases of the global force transmission index and the input space index that represents the motion range of the jaw are drawn with different inputs for the mechanisms of the nondimensional parameters. Furthermore, we research the effect of these structure parameters of the mechanism on the gripping force transmissio
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Sundar, Syam, Vijay S. Rathore, Manoj K. Sahi, V. Upendran, and Anjan Kumar Dash. "Workspace Analysis and Going through Singularities of 5-Bar Symmetric Planar Parallel Manipulator by Automated Selective Actuation Mechanism." Advanced Materials Research 588-589 (November 2012): 1664–68. http://dx.doi.org/10.4028/www.scientific.net/amr.588-589.1664.

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In this article‚ a new approach is presented to determine the various shapes of workspaces of 5 bar symmetric planar parallel manipulators. Here the shape of the workspace is determined by the number of ways the workspaces of the two serial manipulators intersect with each other. Geometric conditions are established in each case and area of each shape of workspace is determined in closed form. Singularity is another important consideration in the design of parallel manipulators. In this paper, an approach is presented to go through the singularity points using an automatic selective actuation
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Dissertations / Theses on the topic "Manipulators (Mechanism)"

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Hopkins, Brian. "Modified ParaDex: Theory and hardware implementation of a 6-prismatic-spherical-universal parallel manipulator." Ohio : Ohio University, 2001. http://www.ohiolink.edu/etd/view.cgi?ohiou1173899557.

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Lee, Kam-fat Jonathan. "Design and control of a robotic manipulator with an active pneumatic balancing system /." [Hong Kong] : University of Hong Kong, 1992. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13194367.

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Oosting, Kenneth W. "Simulation of control strategies for a two degree-of-freedom lightweight flexible robotic arm." Thesis, Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/18230.

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Alberts, Thomas Edward. "Augmenting the control of a flexible manipulator with passive mechanical damping." Diss., Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/19442.

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Hastings, Gordon Greene. "Controlling flexible manipulators, an experimental investigation." Diss., Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/16691.

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Gupta, Pramod. "Neurocontrol of robotic manipulators." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0018/NQ42740.pdf.

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Smith, David Rowland. "Design of solvable 6R manipulators." Diss., Georgia Institute of Technology, 1990. http://hdl.handle.net/1853/18861.

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Yiu, Yiu Kuen. "Geometry, dynamics and control of parallel manipulators /." View Abstract or Full-Text, 2002. http://library.ust.hk/cgi/db/thesis.pl?ELEC%202002%20YIU.

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Lou, Yunjiang. "Optimal design of parallel manipulators /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?ECED%202006%20LOU.

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Tahboub, Karim Abdul Majid. "Digital control for flexible manipulator arms." Thesis, Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/17210.

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Books on the topic "Manipulators (Mechanism)"

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1965-, Böhringer Karl F., and Choset Howie M, eds. Distributed manipulation. Boston: Kluwer Academic, 2000.

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Balafoutis, C. A. Dynamic analysis of robot manipulators: A Cartesian tensor approach. Boston: Kluwer Academic Publishers, 1991.

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X, Liu John, ed. Robots manipulators: New research. New York: Nova Science, 2005.

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Maurine, Patrick. Calibration of industrial robot manipulators. London, UK: ISTE, 2011.

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Höfer, Angelika. Steuerung der Konfiguration eines redundanten Manipulators. Wiesbaden: Vieweg, 1992.

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Peshkin, M. A. Robotic manipulation strategies. Englewood Cliffs, N.J: Prentice Hall, 1990.

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RoManSy (9th 1992 Udine, Italy). RoManSy 9: Proceedings of the Ninth CISM-IFToMM Symposium on Theory and Practice of Robots and Manipulators. London: Springer-Verlag, 1993.

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Fraser, Anthony R. Perturbation techniques for flexible manipulators. Boston: Kluwer Academic Publishers, 1991.

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Marcos, Salganicoff, and Society of Photo-optical Instrumentation Engineers., eds. Telemanipulator and telepresence technologies II: 25-26 October 1995, Philadelphia, Pennsylvania. Bellingham, Wash: SPIE, 1995.

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Michel, Le Borgne, and Espiau Bernard, eds. Robot control: The task function approach. Oxford: Clarendon Press, 1991.

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Book chapters on the topic "Manipulators (Mechanism)"

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Chebab, Zine Elabidine, Jean-Christophe Fauroux, Grigore Gogu, Laurent Sabourin, Nicolas Bouton, and Youcef Mezouar. "Structural Analysis of Mobile Manipulators." In Advances in Mechanism and Machine Science, 2661–70. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20131-9_263.

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de-Juan, A., J. F. Collard, P. Fisette, P. Garcia, and R. Sancibrian. "Multi-Objective Optimization of Parallel Manipulators." In New Trends in Mechanism Science, 633–40. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9689-0_72.

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Wu, Yuanqing, and Marco Carricato. "Unified Pose Parametrization for 1T2R Parallel Manipulators." In Mechanism Design for Robotics, 57–68. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-00365-4_8.

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Husty, Manfred L., and Dominic R. Walter. "Mechanism Constraints and Singularities—The Algebraic Formulation." In Singular Configurations of Mechanisms and Manipulators, 101–80. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05219-5_4.

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Pashkevich, A., A. Klimchik, S. Caro, and D. Chablat. "Stiffness Modelling of Parallelogram-Based Parallel Manipulators." In New Trends in Mechanism Science, 675–82. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9689-0_77.

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Husty, Manfred, Josef Schadlbauer, Stéphane Caro, and Philippe Wenger. "Self-Motions of 3-RPS Manipulators." In New Trends in Mechanism and Machine Science, 121–30. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-4902-3_13.

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Glazunov, Victor, Natalya Nosova, Sergey Kheylo, and Andrey Tsarkov. "Design and Analysis of the 6-DOF Decoupled Parallel Kinematics Mechanism." In Dynamic Decoupling of Robot Manipulators, 125–70. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-74363-9_6.

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Wu, Yuanqing, and Marco Carricato. "Correction to: Unified Pose Parametrization for 1T2R Parallel Manipulators." In Mechanism Design for Robotics, E1. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-00365-4_53.

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Amirinezhad, S. Vahid, and Peter Donelan. "Input and output singularities for parallel manipulators." In Advances in Mechanism and Machine Science, 289–98. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20131-9_29.

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Corral, J., Ch Pinto, M. Urizar, and V. Petuya. "Structural Dynamic Analysis of Low-Mobility Parallel Manipulators." In New Trends in Mechanism Science, 387–94. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9689-0_45.

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Conference papers on the topic "Manipulators (Mechanism)"

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Li, Yanwen, Yueyue Zhang, Lumin Wang, and Zhen Huang. "A Novel Parallel Mechanism With 3-RRUR Legs." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43295.

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This paper investigates a novel 4-DOF 3-RRUR parallel manipulator, the number and the characteristics of its degrees of freedom are determined firstly, the rational input plan and the invert and forward kinematic solutions are carried out then. The corresponding numeral example of the forward kinematics is given. This type of parallel manipulators has a symmetrical structure, less accumulated error, and can be used to construct virtual-axis machine tools. The analysis in this paper will play an important role in promoting the application of such manipulators.
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Lu, Yi, and Yonghe Zhao. "Position and Workspace Analyses of 3-SPR and 3-RPS Parallel Manipulators." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84117.

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An analytic approach and a simulation mechanism for solving position and the workspace of a 3-SPR parallel manipulator are proposed. First, a simulation mechanism of the 3-SPR parallel manipulator and a simulation mechanism of the 3-RPS parallel manipulator are created by using the computer aided geometry constraints and dimension-driving techniques. Second, some analytic formulas are derived for inverse and forward solving position and orientation of the 3-SPR parallel manipulator. Third, some available solutions from multi-solutions during deriving analytic formula are determined, and analyt
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Posmetev, Valeriy, Vadim Nikonov, A. Mihailov, and I. Hrapov. "ON THE PERSPECTIVE OF THE USE OF HYDROCYLINDERS IN THE ROTARY MECHANISM OF THE HYDRAULIC COLUMN MANIPULATOR OF THE TIMBER ROAD TRAIN." In Innovations in road transport. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2022. http://dx.doi.org/10.34220/irt2022_4-9.

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The urgency of the need to improve the efficiency of hydraulic manipulators in-volved in the timber complex of the Russian Federation during the loading and unloading of timber is substantiated. The negative consequences of the impact of dynamic loads on the rotary mechanisms of hydraulic manipulators in the process of loading and unloading timber are considered. A promising de-sign is presented, which makes it possible to significantly reduce the dynamic loads acting on the rotary mechanism of the hydraulic manipulator. A perspective scheme of the rotary mechanism of a hydraulic manipulator c
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Zhang, Change-de, and Shin-Min Song. "Geometry and Position Analysis of a Novel Class of Hybrid Manipulators." In ASME 1994 Design Technical Conferences collocated with the ASME 1994 International Computers in Engineering Conference and Exhibition and the ASME 1994 8th Annual Database Symposium. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/detc1994-0300.

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Abstract This paper presents a novel class of hybrid manipulators composed of two serially connected parallel mechanisms, each of which has three degrees of freedom. The lower and upper platforms respectively control the position and orientation of the end-effector. The advantages of this type of hybrid manipulator are larger workspace (as compared with parallel manipulators) and better rigidity and higher load-carrying capability (as compared with serial manipulators). The closed-form solutions of the forward and inverse position analyses are discussed. For forward position analysis, it is sh
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Ebert-Uphoff, Imme, Clément M. Gosselin, and Thierry Laliberté. "Static Balancing of a Class of Spatial Parallel Platform Mechanisms." In ASME 1998 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/detc98/mech-5964.

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Abstract This article discusses the development of statically balanced spatial parallel platform mechanisms. A mechanism is statically balanced if its potential energy is constant for all possible configurations. This property is very important for robotic manipulators with large payloads, since it means that the mechanism is statically stable for any configuration, i.e. zero actuator forces are required whenever the manipulator is at rest. Furthermore, only inertial forces have to be sustained while the manipulator is moving. The application that motivates this research is the use of parallel
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Tolstosheev, Andrey, and Vyacheslav Tatarincev. "SYNTHESIS OF STATICALLY DETERMINED ISOTROPIC PARALLEL MANIPULATORS OF THE PANTOPTERON TYPE." In PROBLEMS OF APPLIED MECHANICS. Bryansk State Technical University, 2020. http://dx.doi.org/10.30987/conferencearticle_5fd1ed03a68810.94405173.

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Isotropic parallel manipulators are considered. The analysis of the structure and kinematics of the parallel translational directional manipulator Pantopteron is carried out. It was found that the Pantopteron mechanism, in the kinematic chain of which pantographs are included in order to increase the speed, contains redundant links and is statically indeterminate. Structural schemes of statically definable parallel manipulators of the Pantopteron type have been developed and proposed.
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Malik, Akhtar N., Jian S. Dai, and Gordon R. Pennock. "Constraint Redundancy in Mobility of Parallel Manipulators." In ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-49759.

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This paper presents a systematic approach to obtain the degrees of freedom (DOF) of the platforms of parallel manipulators. The paper begins with general Kutzbach criterion for mobility. With simple mathematical transformations this criterion is modified to incorporate number of parallel legs used in the parallel platform-type mechanism and the number of joints in the legs. The theory of screws is used to study the freedom of the joints in the individual legs and the mobility of the platform. It is established that the general Kutzbach mobility criterion does not cater for situations where the
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Sharifzadeh, Mohammad, Yuhao Jiang, Roozbeh Khodambashi, and Daniel Aukes. "Increasing the Life Span of Foldable Manipulators With Fabric." In ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/detc2020-22757.

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Abstract This paper evaluates how laminated techniques may be used to replicate the performance of more traditionally manufactured robotic manipulators. This evaluation is conducted by addressing the advantages and challenges of laminated manufacturing techniques, specifcally mechanism durability. In this study, we propose a novel fabric-polyester hinge design with an improved life-span. We additionally provide an overview of the design and construction workfow for a laminated 2-DOF spherical parallel manipulator for use as a camera stabilizer. Using the proposed manipulator as a case study, w
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El-Khasawneh, Bashar, and Anas Alazzam. "Kinematics, Dynamics and Vibration Models for 3RPR Parallel Kinematics Manipulator." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-64525.

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Parallel link manipulators are the type of mechanisms that have closed kinematics chains. Some of their advantages over open kinematics chains (called also serial kinematics manipulators) are their high stiffness and accuracy. This paper carries out forward and inverse kinematic and dynamic analysis on a certain type of parallel kinematic mechanisms. This is needed to conduct vibration analysis on the same platform. The type of mechanism is planar 3 RPR manipulator. This entails identifying the modes of the manipulator. A simplified vibration theoretical model is derived. This derivation helps
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Nelson, Carl A., and Xiaoli Zhang. "Equivalent Mechanisms Techniques for Redesign of a Spherical Surgical Tool Manipulator." In ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/detc2010-28367.

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In the design of robotic manipulators for minimally invasive surgery (MIS), the spherical mechanism is a very important kinematic entity, since it can be used to mimic the constraint that the incision point provides to the surgical tool. In previous research by the authors, a bevel-gear-based spherical manipulator was designed whose actuators could be located on a fixed base link. In this paper, concepts of mechanism equivalency are applied to improving the manipulator design. The guidelines arrived at in this work can inform design of future spherical manipulators, especially those created wi
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Reports on the topic "Manipulators (Mechanism)"

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Christie, Benjamin, Jordan Klein, Anton Netchaev, and Garry Glaspell. Integrating MOVEit motion constraints on a novel robotic manipulator. Engineer Research and Development Center (U.S.), November 2023. http://dx.doi.org/10.21079/11681/47845.

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MOVEit, a widely used Robot Operating System framework, plans composite tasks, where the high-level sequence of actions is fixed and known in advance. However, these tasks need to be tailored and adapted to the environmental context. This framework uses custom trajectory planners, known as controllers, to solve goals that are fully defined within the configuration space. Libraries, such as the Open Motion Planning Library, provide a collection of motion planners that can solve task-space goals. An exact spatial and joint replication of the robotic manipulator’s mechanics, typically Universal R
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Gothilf, Yoav, Roger Cone, Berta Levavi-Sivan, and Sheenan Harpaz. Genetic manipulations of MC4R for increased growth and feed efficiency in fish. United States Department of Agriculture, January 2016. http://dx.doi.org/10.32747/2016.7600043.bard.

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The hypothalamic melanocortin system plays a central role in the regulation of food consumption and energy homeostasis in mammals. Accordingly, our working hypothesis in this project was that genetic editing of the mc4r gene, encoding Melanocortin Receptor 4 (MC4R), will enhance food consumption, feed efficiency and growth in fish. To test this hypothesis and to assess the utility of mc4r editing for the enhancement of feed efficiency and growth in fish, the following objectives were set: Test the effect of the mc4r-null allele on feeding behavior, growth, metabolism and survival in zebrafish.
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Hulata, Gideon, Thomas D. Kocher, Micha Ron, and Eyal Seroussi. Molecular Mechanisms of Sex Determination in Cultured Tilapias. United States Department of Agriculture, October 2010. http://dx.doi.org/10.32747/2010.7697106.bard.

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Tilapias are among the most important aquaculture commodities worldwide. Commercial production of tilapia is based on monosex culture of males. Current methods for producing all-male fingerlings, including hormone treatments and genetic manipulations, are not entirely reliable, in part because of the genetic complexity of sex determination and sexual differentiation in tilapias. The goals of this project are to map QTL and identify genes regulating sex determination in commonly cultured tilapia species, in order to provide a rational basis for designing reliable genetic approaches for producin
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Elizur, Abigail, Amir Sagi, Gideon Hulata, Clive Jones, and Wayne Knibb. Improving Crustacean Aquaculture Production Efficiencies through Development of Monosex Populations Using Endocrine and Molecular Manipulations. United States Department of Agriculture, June 2010. http://dx.doi.org/10.32747/2010.7613890.bard.

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Background Most of Australian prawn aquaculture production is based on P. monodon. However, the Australian industry is under intense competition from lower priced overseas imports. The availability of all-female monosex populations, by virtue of their large size and associated premium prize, will offer competitive advantage to the industry which desperately needs to counteract competitors within this market. As for the redclaw production in Israel, although it is at its infancy, the growers realized that the production of males is extremely advantageous and that such management strategy will c
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Matthew, Gray. Data from "Winter is Coming – Temperature Affects Immune Defenses and Susceptibility to Batrachochytrium salamandrivorans". University of Tennessee, Knoxville Libraries, January 2021. http://dx.doi.org/10.7290/t7sallfxxe.

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Environmental temperature is a key factor driving various biological processes, including immune defenses and host-pathogen interactions. Here, we evaluated the effects of environmental temperature on the pathogenicity of the emerging fungus, Batrachochytrium salamandrivorans (Bsal), using controlled laboratory experiments, and measured components of host immune defense to identify regulating mechanisms. We found that adult and juvenile Notophthalmus viridescens died faster due to Bsal chytridiomycosis at 14 ºC than at 6 and 22 ºC. Pathogen replication rates, total available proteins on the sk
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Eshed, Yuval, and John Bowman. Harnessing Fine Scale Tuning of Endogenous Plant Regulatory Processes for Manipulation of Organ Growth. United States Department of Agriculture, 2005. http://dx.doi.org/10.32747/2005.7696519.bard.

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Background and objectives: Manipulation of plant organ growth is one of the primary reasons for the success of mankind allowing increasing amounts of food for human and livestock consumption. In contrast with the successful selection for desirable growth characteristics using plant breeding, transgenic manipulations with single genes has met limited success. While breeding is based on accumulation of many small alterations of growth, usually arise from slight changes in expression patterns, transgenic manipulations are primarily based on drastic, non-specific up-regulation or knock down of gen
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Morrison, Mark, and Joshuah Miron. Molecular-Based Analysis of Cellulose Binding Proteins Involved with Adherence to Cellulose by Ruminococcus albus. United States Department of Agriculture, November 2000. http://dx.doi.org/10.32747/2000.7695844.bard.

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At the beginning of this project, it was clear that R. albus adhered tightly to cellulose and its efficient degradation of this polysaccharide was dependent on micromolar concentrations of phenylacetic acid (PAA) and phenylpropionic acid (PPA). The objectives for our research were: i) to identify how many different kinds of cellulose binding proteins are produced by Ruminococcus albus; ii) to isolate and clone the genes encoding some of these proteins from the same bacterium; iii) to determine where these various proteins were located and; iv) quantify the relative importance of these proteins
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Meir, Shimon, Michael S. Reid, Cai-Zhong Jiang, Amnon Lers, and Sonia Philosoph-Hadas. Molecular Studies of Postharvest Leaf and Flower Senescence. United States Department of Agriculture, January 2011. http://dx.doi.org/10.32747/2011.7592657.bard.

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Original objectives: To understand the regulation of abscission by exploring the nature of changes of auxin-related gene expression in tomato (Lycopersicon esculatumMill) abscission zones (AZs) following organ removal, and by analyzing the function of these genes. Our specific goals were: 1) To complete the microarray analyses in tomato flower and leaf AZs, for identifying genes whose expression changes early in response to auxin depletion; 2) To examine, using virus-induced gene silencing (VIGS), the effect of silencing target genes on ethylene sensitivity and abscission competence of the lea
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