Job Description

Position: Professional Specialist- Robotics Engineer for Automation of Ultrathin Brain Sectioning



Description: The FlyWire Consortium, led by the Princeton Neuroscience Institute, recently released the first neuronal wiring diagram of an adult brain. The fruit fly connectome was obtained by processing electron microscopic brain images to reconstruct tens of millions of synapses between 100,000 neurons. With this historic milestone attained, neuroscience has clearly entered the connectomic era. The image processing benefited from modern high-performance computing and artificial intelligence. But the images were acquired from slices of the fly brain that were collected manually, in a manner that has remained essentially unchanged for over 50 years. We are building an engineering team to modernize the collection of ultrathin brain slices with a pick-and-place robot guided by computer vision. The task is to pick up slices floating on water and place them on substrates suitable for electron microscopic imaging. This is the kind of technological innovation necessary to scale up connectomics from flies to large mammalian brains more like our own. We are seeking a robotics engineer to design and build the robot, interface it with a control system, and collaborate with a robot vision engineer to control the pick and place operations. For more information, see these publications. Timothy J. Lee et al. Large-scale neuroanatomy using LASSO: loop-based automated serial sectioning operation. PLoS One 13:e0206172 (2018). John Ngai. BRAIN 2.0: Transforming neuroscience. Cell 185, 4-8 (2022). Sven Dorkenwald et al. Neuronal wiring diagram of an adult brain. bioRxiv 2023. Key Responsibilities: Build a robotic manipulator with sub-millimeter accuracy. Design a real-time closed-loop control system for the manipulator. Collaborate with robot vision engineer to control pick-and-place operations. Essential Qualifications: PhD degree in Mechanical Engineering, Electrical Engineering, or closely related field. Proficiency in mechanical design, CAD software, computer interfacing, and electronics. Knowledgeable in robot kinematics, inverse kinematics, dynamics and control system Demonstrated ability to troubleshoot mechanical and electronic systems. Strong problem-solving skills with a keen eye for technical details. Excellent collaboration and communication skills. Preferred Qualifications: Experience with micromanipulators. This full-time position has an initial appointment of one year and possibility of renewal based on satisfactory performance. Interested applicants must apply at and include a cover letter, curriculum vitae, and contact information for at least two references. The work location for this position is in-person on campus at Princeton University. Applications from members of groups historically under-represented in Neuroscience are encouraged. This position is subject to the University's background check policy.

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About Princeton University

Princeton University is a vibrant community of scholarship and learning that stands in the nation's service and in the service of all nations. Chartered in 1746, Princeton is the fourth-oldest college in the United States. Princeton is an independent, coeducational, nondenominational institution that provides undergraduate and graduate instruction in the humanities, social sciences, natural sciences and engineering.As a world-renowned research university, Princeton seeks to achieve the highest levels of distinction in the discovery and transmission of knowledge and understanding. At the same time, Princeton is distinctive among research universities in its commitment to undergraduate teaching.Today, more than 1,100 faculty members instruct approximately 5,200 undergraduate students and 2,600 graduate students. The University's generous financial aid program ensures that talented students from all economic backgrounds can afford a Princeton education.

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