Optogenetics for light control of biological systems

V Emiliani, E Entcheva, R Hedrich… - Nature Reviews …, 2022 - nature.com
Optogenetic techniques have been developed to allow control over the activity of selected
cells within a highly heterogeneous tissue, using a combination of genetic engineering and …

Wireless and battery-free technologies for neuroengineering

SM Won, L Cai, P Gutruf, JA Rogers - Nature Biomedical Engineering, 2023 - nature.com
Tethered and battery-powered devices that interface with neural tissues can restrict natural
motions and prevent social interactions in animal models, thereby limiting the utility of these …

A positively tuned voltage indicator for extended electrical recordings in the brain

SW Evans, DQ Shi, M Chavarha, MH Plitt, J Taxidis… - Nature …, 2023 - nature.com
Genetically encoded voltage indicators (GEVIs) enable optical recording of electrical signals
in the brain, providing subthreshold sensitivity and temporal resolution not possible with …

Real-time denoising enables high-sensitivity fluorescence time-lapse imaging beyond the shot-noise limit

X Li, Y Li, Y Zhou, J Wu, Z Zhao, J Fan, F Deng… - Nature …, 2023 - nature.com
A fundamental challenge in fluorescence microscopy is the photon shot noise arising from
the inevitable stochasticity of photon detection. Noise increases measurement uncertainty …

Two-photon calcium imaging of neuronal activity

C Grienberger, A Giovannucci, W Zeiger… - Nature Reviews …, 2022 - nature.com
In vivo two-photon calcium imaging (2PCI) is a technique used for recording neuronal
activity in the intact brain. It is based on the principle that, when neurons fire action …

Advances in bioresorbable triboelectric nanogenerators

M Kang, DM Lee, I Hyun, N Rubab, SH Kim… - Chemical …, 2023 - ACS Publications
With the growing demand for next-generation health care, the integration of electronic
components into implantable medical devices (IMDs) has become a vital factor in achieving …

High-speed, cortex-wide volumetric recording of neuroactivity at cellular resolution using light beads microscopy

J Demas, J Manley, F Tejera, K Barber, H Kim… - Nature …, 2021 - nature.com
Two-photon microscopy has enabled high-resolution imaging of neuroactivity at depth within
scattering brain tissue. However, its various realizations have not overcome the tradeoffs …

Thermal constraints on in vivo optogenetic manipulations

SF Owen, MH Liu, AC Kreitzer - Nature neuroscience, 2019 - nature.com
A key assumption of optogenetics is that light only affects opsin-expressing neurons.
However, illumination invariably heats tissue, and many physiological processes are …

Brain capillary pericytes exert a substantial but slow influence on blood flow

DA Hartmann, AA Berthiaume, RI Grant, SA Harrill… - Nature …, 2021 - nature.com
The majority of the brain's vasculature is composed of intricate capillary networks lined by
capillary pericytes. However, it remains unclear whether capillary pericytes influence blood …

Fluorescence imaging of large-scale neural ensemble dynamics

TH Kim, MJ Schnitzer - Cell, 2022 - cell.com
Recent progress in fluorescence imaging allows neuroscientists to observe the dynamics of
thousands of individual neurons, identified genetically or by their connectivity, across …