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Objective: this study proposes and evaluates a technique for in vivo deep-tissue superresolution imaging in the light-scattering mouse brain at up to a 3.5 Hz 2-D imaging rate with a 21×21 μm2 field of view. Methods: we combine the deep-tissue penetration and high imaging speed of resonant laser scanning two-photon (2P) microscopy with the superresolution ability of patterned excitation microscopy...
Gamma Ray Bursts (GRBs) are the strongest explosions in the universe which might be associated with creation of black holes. Magnetic field structure and burst dynamics may influence polarization of the emitted gamma-rays. Precise polarization detection can be an ultimate tool to unveil the true GRB mechanism. POLAR is a space-borne Compton scattering detector for precise measurements of the GRB polarization...
Magnetoelectric (ME) laminate composites have emerged as promising candidates for the development of highly sensitive magnetic field sensors at resonance frequency in recent years. Unfortunately, ME coefficient decreases dramatically and the noise level increases at low frequencies far from resonance, which leads to a significant reduction in sensitivity. For the purpose of removing these drawbacks,...
This paper describes recent advancements in low power circuit design and energy harvesting that will help lead to the autonomous operation of microscale autonomous sensing platforms. Low power circuit techniques for sensor interfaces and RF communication are explored. We introduce a 1 cm3 thermoelectric energy harvester and present measured results.
Advances in electronic-neural interfaces have shown great potential for both neuroscience research and medical devices. Much of the work to date has focused on short-range inductive links for power and communication transfer. There is an emerging need for active miniaturized systems that stream neural data in the far field, which would enable the observation of brain activity in unconstrained animals...
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