Mike Castellano

ORCID: 0000-0001-9365-1344
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About
Contact & Profiles
Research Areas
  • Photosynthetic Processes and Mechanisms
  • Electrochemical sensors and biosensors
  • Molecular Junctions and Nanostructures
  • Supercapacitor Materials and Fabrication
  • Force Microscopy Techniques and Applications
  • Graphene research and applications
  • Photoreceptor and optogenetics research
  • Nuclear Structure and Function
  • Advancements in Battery Materials
  • RNA Research and Splicing
  • Spectroscopy and Quantum Chemical Studies
  • Carbon and Quantum Dots Applications
  • Metalloenzymes and iron-sulfur proteins
  • Electrochemical Analysis and Applications

University of Freiburg
2017-2024

Multi-colored, water soluble fluorescent carbon nanodots (C-Dots) with quantum yield changing from 4.6 to 18.3% were synthesized in multi-gram using dated cola beverage through a simple thermal synthesis method and implemented as conductive ion donating supercapacitor component. Various properties of C-Dots, including size, crystal structure, morphology surface along their Raman electron paramagnetic resonance spectra analyzed compared by means fluorescence electronic properties. α-Manganese...

10.1038/s41598-017-11347-1 article EN cc-by Scientific Reports 2017-09-05

High capacitance (13.2 μA h cm<sup>−2</sup>) double layer hybrid supercapacitor consisting of reduced graphene oxide/Fe doped Li<sub>4</sub>Ti<sub>5</sub>O<sub>12</sub> (rGO/LTO) and graphite.

10.1039/c7nr08190a article EN Nanoscale 2017-12-13

Abstract We introduce a combination of Monte Carlo simulation and thermodynamic integration methods to address model problem in free energy computations, electron transfer proteins. The feasibility this approach is tested using the ferredoxin protein from Clostridium acidurici . results are compared numerical solutions Poisson‐Boltzmann equation data recent molecular dynamics simulations on charge complex, NrfHA nitrite reductase Desulfovibrio vulgaris Despite conceptual computational...

10.1002/jcc.26155 article EN cc-by-nc-nd Journal of Computational Chemistry 2020-01-25

Potential differences for protein-assisted electron transfer across lipid bilayers or in bio-nano setups can amount to several 100 mV; they lie far outside the range of linear response theory. We describe these situations by Pauli-master equations that are based on Marcus theory charge between self-trapped electrons and obey Kirchhoff's current law. In addition, we take on-site blockade effects a full non-linear local potentials into account. present analytical numerical current-potential...

10.1039/d3cp03847e article EN cc-by Physical Chemistry Chemical Physics 2023-01-01

Protein chains of the (FG)$_n$ ($n \simeq$ 300) type cap cytoplasmatic side nucleopore complex, which connects nucleus to remainder an eukaryotic cell. We study properties three fundamental polymer models that represent these filaments using Monte Carlo computer simulations. Random walks and worm like chain model cannot account for unusual size selectivity pore, while a two-dimensional arrangement intrinsically disordered block copolymers with high content $α$-helices is in agreement...

10.48550/arxiv.2006.06104 preprint EN other-oa arXiv (Cornell University) 2020-01-01
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