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PhD.
Mechanical manipulation and characterization of biological cells have wide applications in genetics, reproductive biology, and cell mechanics. This research focuses on (1) the development of enabling microrobotic systems and techniques for automated cell microinjection and in situ mechanical characterization; and (2) the demonstration of molecule efficacy testing and cell quality assessment with the new technologies. Targeting high-speed cell injection for molecule screening, a first-of-its-kind automated microrobotic cell injection system is developed for injecting foreign materials (e.g., DNA, morpholinos, and proteins) into zebrafish embryos (& sim;1.2 mm) and mouse oocytes/embryos (& sim;100 mum), which overcomes the problems inherent in manual operation, such as long learning curves, human fatigue, and large variations in success rates due to poor reproducibility. Novel cell holding devices are developed for immobilizing a large number of embryos into a regular pattern, greatly facilitating sample preparation and increasing the sample preparation speed. Leveraging motion control and computer vision techniques, the microrobotic system is capable of performing robust cell injection at a high speed with high survival, success, and phenotypic rates. The mouse embryo injection system is applied to molecule testing of recombinant mitochondrial proteins. The efficacy of an anti-apoptotic Bcl-xL (DeltaTM) protein is, for the first time, quantitatively evaluated for enhancing the development competence of mouse embryos. For cell quality assessment, this research develops a vision-based technique for real-time cellular force measurement and in situ mechanical characterization of individual cells during microinjection. A microfabricated elastic device and a sub-pixel computer vision tracking algorithm together resolve cellular forces at the nanonewton level. Experimental results on young and old mouse oocytes demonstrate that the in situ obtained force-deformation data can be used for mechanically distinguishing healthy mouse oocytes from those with cellular dysfunctions. This work represents the first study that quantified the mechanical difference between young and old mouse oocytes, promising a practical way for oocyte quality assessment during microinjection.
Robotics for Cell Manipulation and Characterization provides fundamental principles underpinning robotic cell manipulation and characterization, state-of-the-art technical advances in micro/nano robotics, new discoveries of cell biology enabled by robotic systems, and their applications in clinical diagnosis and treatment. This book covers several areas, including robotics, control, computer vision, biomedical engineering and life sciences using understandable figures and tables to enhance readers’ comprehension and pinpoint challenges and opportunities for biological and biomedical research. Focuses on, and comprehensively covers, robotics for cell manipulation and characterization Highlights recent advances in cell biology and disease treatment enabled by robotic cell manipulation and characterization Provides insightful outlooks on future challenges and opportunities
Robotic Cell Manipulation introduces up-to-date research to realize this new theme of medical robotics. The book is organized in three levels: operation tools (e.g., optical tweezers, microneedles, dielectrophoresis, electromagnetic devices, and microfluidic chips), manipulation types (e.g., microinjection, transportation, rotation fusion, adhesion, separation, etc.), and potential medical applications (e.g., micro-surgery, biopsy, gene editing, cancer treatment, cell-cell interactions, etc.). The technology involves different fields such as robotics, automation, imaging, microfluidics, mechanics, materials, biology and medical sciences. The book provides systematic knowledge on the subject, covering a wide range of basic concepts, theories, methodology, experiments, case studies and potential medical applications. It will enable readers to promptly conduct a systematic review of research and become an essential reference for many new and experienced researchers entering this unique field. Introduces the applications of robot-assisted manipulation tools in various cell manipulation tasks Defines many essential concepts in association with the robotic cell manipulation field, including manipulation strategy and manipulation types Introduces basic concepts and knowledge on various manipulation devices and tasks Describes some cutting-edge cell manipulation technologies and case studies
Autonomous Robot-Aided Optical Manipulation for Biological Cells gives a systematically and almost self-contained description of the many facets of modeling, sensing, and control techniques or experimentally exploring emerging trends in optical manipulation of biological cell in micro/nanorobotics systems. To achieve biomedical applications, reliability design, modeling, and precision control are vitally important for the development of engineering systems. With the advances in modeling, sensing, and control techniques, it is opportunistic to exploit them for the benefit of reliability design, actuation, and precision control of micro/nanomanipulation systems to expanding the applications of robot at the micro and nano scales, especially in biomedical engineering. This book presents new techniques in reliability modeling and advanced control of robot-aided optical manipulation of biological cells systems. The book will be beneficial to the researchers within robotics, mechatronics, biomedical engineering, and automatic control society, including both academic and industrial parts. Provides a series of latest results in, including but not limited to, design, sensing, actuation, modeling, and control of micro/nano manipulation system using optical tweezers Gives recent advances of theory, technological aspects, and applications of advanced sensing, actuation, modeling and control methodologies in biomedical engineering applications Offers simulation and experimental results in each chapter in order to reflect the biomedical engineering practice, yet demonstrate the main focus of the developed design, analysis and synthesis approaches
This book provides an introduction to robot-based nanohandling. It presents work on the development of a versatile microrobot-based nanohandling robot station inside a scanning electron microscope (SEM). Those unfamiliar with the subject will find the text, which is complemented throughout by the extensive use of illustrations, clear and simple to understand. The author has published two books and numerous papers in the field, and holds more than 50 patents.
Das erste Handbuch, das Robotertechnik und Nanotechnologie verbindet, als Nachschlagewerk die Grundlagen zusammenfasst und neue Anwendungen in den Bereichen Halbleiter-Packaging, klinische Diagnose und Chirurgie vorstellt. Durchgängig mit aufregenden Aufnahmen auf Nanoebene.
This book delves into the recent developments in the microscale and microfluidic technologies that allow manipulation at the single and cell aggregate level. Expert authors review the dominant mechanisms that manipulate and sort biological structures, making this a state-of-the-art overview of conventional cell sorting techniques, the principles of microfluidics, and of microfluidic devices. All chapters highlight the benefits and drawbacks of each technique they discuss, which include magnetic, electrical, optical, acoustic, gravity/sedimentation, inertial, deformability, and aqueous two-phase systems as the dominant mechanisms utilized by microfluidic devices to handle biological samples. Each chapter explains the physics of the mechanism at work, and reviews common geometries and devices to help readers decide the type of style of device required for various applications. This book is appropriate for graduate-level biomedical engineering and analytical chemistry students, as well as engineers and scientists working in the biotechnology industry.
Microrobotics is an emerging and booming area with many and various applications, including in fields such as industrial/manufacturing robotics, medical robotics, and laboratory instrumentation. Microrobotics for Micromanipulation presents for the first time, in detail, a treatment of the field of robotics dedicated to handling objects of micrometer dimensions. At these dimensions, the behavior of objects is significantly different from the better known, larger scales, which leads to implementation techniques that can be radically different from the more commonly used solutions. This book details the behaviors of objects at the micrometer scale and provides robotics solutions that are suitable, in terms of actuators, grippers, manipulators, environmental perception, and microtechnology. Worked examples are included in the book - enabling engineers, students and researchers to familiarize themselves with this emerging area and to contribute to its development.