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A 3D slim-base probe array for in vivo recorded neuron activity KU Leuven
This paper introduces the first experimental results of a new implantable slim-base three-dimensional (3D) probe array for cerebral applications. The probes are assembled perpendicularly into the slim-base readout platform where electrical and mechanical connections are achieved simultaneously. A new type of micromachined interconnect has been developed to establish electrical connection using extreme planarization techniques. Due to the modular ...
The source of and a simple way to avoid ground loops in biasing Langmuir probe array Universiteit Gent
An interconnect for ou-of-plane assembled biomedical probe arrays KU Leuven
An out-of-plane interconnect system has been developed for biomedical microprobes. With this type of interconnect, different microelectromechanical system (MEMS) structures can be electrically and mechanically connected perpendicular to a backbone. The probes and backbone are processed separately which enables a modular approach. The MEMS structures are inserted into cavities (which act as sockets) and the electrical contact is established by ...
Recent advances in interconnect technology for slim-base biomedical probe arrays KU Leuven
An interconnect technology for out-of-plane biomedical probe arrays has been demonstrated. The shafts of the probe array are assembled perpendicular to a common base or platform. During assembly of the probes a mechanical and electrical connection has been made. In order to assess the integrity of the assembly, a pulling test has been done. Recently the interconnect density has been improved to a pitch of 35 μ m to realize the interconnects for ...
The common bloom-forming cyanobacterium Microcystis is prone to a wide array of microbial antagonists Universiteit Gent
Integration of silicon-based neural probes and micro-drive arrays for chronic recording of large populations of neurons in behaving animals KU Leuven
Understanding how neuronal assemblies underlie cognitive function is a fundamental question in system neuroscience. It poses the technical challenge to monitor the activity of populations of neurons, potentially widely separated, in relation to behaviour. In this paper, we present a new system which aims at simultaneously recording from a large population of neurons from multiple separated brain regions in freely behaving animals.
Excitation Energy Migration Processes in Cyclic porphyrin arrays probed by single molecule spectroscopy KU Leuven
By using single molecule fluorescence spectroscopy we have investigated the excitation energy migration processes occurring in a series of cyclic porphyrin arrays bearing a close proximity in overall architectures to the LH2 complexes in purple bacterial photosynthetic systems. We have revealed that the conformational heterogeneity induced by the structural flexibility in large cyclic porphyrin arrays, which provides the nonradiative ...
Drone noise directivity and psychoacoustic evaluation using a hemispherical microphone array KU Leuven
This paper proposes an experimental setup for measuring the sound radiation of a quadrotor drone using a hemispherical microphone array. The measured sound field is decomposed into spherical harmonics, which enables the evaluation of the radiation pattern to non-probed positions. Additionally, the measurement setup allows the assessment of noise emission and psychoacoustic metrics at a wide range of angles. The obtained directivity patterns ...