User profiles for Daniel Severin

Daniel Severin

Johns Hopkins University
Verified email at jhu.edu
Cited by 624

[PDF][PDF] Light affects mood and learning through distinct retina-brain pathways

…, LL Ospri, MB Thomsen, RM Layne, D Severin… - Cell, 2018 - cell.com
Light exerts a range of powerful biological effects beyond image vision, including mood and
learning regulation. While the source of photic information affecting mood and cognitive …

Anti-reflective microcrystalline silicon oxide p-layer for thin-film silicon solar cells on ZnO

…, S Klein, T Stolley, M Rohde, D Severin… - Solar Energy Materials …, 2012 - Elsevier
As a result from the development of silicon thin-film solar cells that had been conducted at
Applied Materials over the last few years, we present a new kind of microcrystalline silicon …

[HTML][HTML] Redox response of actinide materials to highly ionizing radiation

…, C Park, C Trautmann, M Bender, D Severin… - Nature …, 2015 - nature.com
Energetic radiation can cause dramatic changes in the physical and chemical properties of
actinide materials, degrading their performance in fission-based energy systems. As …

[PDF][PDF] Daily oscillation of the excitation-inhibition balance in visual cortical circuits

…, FJ Zong, X Min, N Luo, T Tran, J Qiu, D Severin… - Neuron, 2020 - cell.com
A balance between synaptic excitation and inhibition (E/I balance) maintained within a narrow
window is widely regarded to be crucial for cortical processing. In line with this idea, the E/…

High‐performance coplanar dual‐channel a‐InGaZnO/a‐InZnO semiconductor thin‐film transistors with high field‐effect mobility

…, DK Yim, SY Choi, J Liu, D Severin… - Advanced Electronic …, 2021 - Wiley Online Library
An amorphous indium gallium zinc oxide (a‐IGZO) layer is deposited on very thin conductive
amorphous indium zinc oxide (a‐IZO) thin film to demonstrate high‐performance, coplanar …

Swift heavy ion track formation in Gd2Zr2− xTixO7 pyrochlore: Effect of electronic energy loss

…, CL Tracy, J Lian, Z Wang, WJ Weber, D Severin… - Nuclear Instruments and …, 2014 - Elsevier
The morphology of swift heavy ion tracks in the Gd 2 Zr 2− x Ti x O 7 pyrochlore system has
been investigated as a function of the variation in chemical composition and electronic …

[HTML][HTML] Norepinephrine potentiates and serotonin depresses visual cortical responses by transforming eligibility traces

…, CD Grossman, JY Cohen, B Lee, D Severin… - Nature …, 2022 - nature.com
Reinforcement allows organisms to learn which stimuli predict subsequent biological
relevance. Hebbian mechanisms of synaptic plasticity are insufficient to account for reinforced …

Characterization of ion-induced radiation effects in nuclear materials using synchrotron x-ray techniques

…, RI Palomares, F Zhang, D Severin… - Journal of Materials …, 2015 - cambridge.org
Recent efforts to characterize the nanoscale structural and chemical modifications induced
by energetic ion irradiation in nuclear materials have greatly benefited from the application of …

[HTML][HTML] Toxicity, recovery, and resilience in a 3D dopaminergic neuronal in vitro model exposed to rotenone

…, JM McCaffery, R Maclennan, D Severin… - Archives of …, 2018 - Springer
To date, most in vitro toxicity testing has focused on acute effects of compounds at high
concentrations. This testing strategy does not reflect real-life exposures, which might contribute to …

Confinement effects of ion tracks in ultrathin polymer films

…, R Thomaz, LI Gutierres, VM De Menezes, D Severin… - Physical Review Letters, 2015 - APS
We show direct experimental evidence that radiation effects produced by single MeV heavy
ions on a polymer surface are weakened when the length of the ion track in the material is …