Characterization of Sierpinski carpet optical antenna at visible and near-infrared wavelengths

Autor: Ting Lee Chen, Dirk Jan Dikken, Jord C Prangsma, Frans Segerink, Jennifer L Herek

Publikováno v: New Journal of Physics, Vol 16, Iss 9, p 093024 (2014)

We present fabrication, characterization, and simulation results on an optical antenna inspired by the Sierpinski carpet fractal geometry for operation in the visible and near-infrared wavelength regions. Measurements and simulations of the far-field

Externí odkaz: https://doaj.org/article/3deab2fd1f6f406589fb3eb46278a9da

Nanostructured thermoresponsive quantum dot/PNIPAM assemblies

Autor: Ming-Yong Han, Dominik Jańczewski, G. Julius Vancso, Oya Tagit, Nikodem Tomczak, Jennifer L. Herek

Publikováno v: European polymer journal, 46(7), 1397-1403. Elsevier

Synthesis, characterization, and applications of novel thermoresponsive polymeric coatings for quantum dots (QDs) are presented. Comb-copolymers featuring hydrophobic alkyl groups, carboxylic groups and poly(N-isopropylacrylamide) (PNIPAM) side chain

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8daff2a05f462ac156c5d32557fa469d
https://doi.org/10.1016/j.eurpolymj.2010.04.026

In Vitro Self-Assembly of the Light Harvesting Pigment-Protein LH2 Revealed by Ultrafast Spectroscopy and Electron Microscopy

Autor: Anna Stenstam, Axel Schubert, Jennifer L. Herek, Wichard J. D. Beenken, Tõnu Pullerits, Villy Sundström, Richard J. Cogdell

Publikováno v: Biophysical Journal; 86(4), pp 2363-2373 (2004)
Biophysical Journal, 86(4), 2363-2373. Biophysical Society

Controlled ensemble formation of protein-surfactant systems provides a fundamental concept for the realization of nanoscale devices with self-organizing capability. In this context, spectroscopic monitoring of pigment-containing proteins yields detai

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::827485167b263e532040c1a5b3ab3ab4
https://doi.org/10.1016/s0006-3495(04)74293-9

Ultrafast carotenoid band shifts: Experiment and theory

Autor: M. Wendling, G Garcia-Asua, C N Hunter, Tomáš Polívka, Villy Sundström, Richard J. Cogdell, Zhi He, Jennifer L. Herek, Tõnu Pullerits, R. Van Grondelle

Publikováno v: Journal of Physical Chemistry B, 108(29), 10398-10403. American Chemical Society
Herek, J L, Wendling, M, He, Z, Polivka, T, Garcia-Asua, G, Cogdell, R J, Hunter, C N, van Grondelle, R, Sundstrom, V & Pullerits, T 2004, ' Ultrafast carotenoid band shifts: Experiment and theory ', Journal of Physical Chemistry B, vol. 108, no. 29, pp. 10398-10403 . https://doi.org/10.1021/jp040094p

The ultrafast carotenoid band shift upon excitation of nearby bacteriochlorophyll molecules was studied in three different light harvesting complexes from purple bacteria. The results were analyzed in terms of changes in local electric field of the c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::495e92f9fd979477ef91b3f2ed4a7142
https://research.vu.nl/en/publications/513b293e-e78b-4f63-b277-086099c2fd8b

Dynamics of Energy Transfer from Lycopene to Bacteriochlorophyll in Genetically-Modified LH2 Complexes of Rhodobacter sphaeroides

Autor: C.N. Hunter, Tomáš Polívka, Jennifer L. Herek, Helena Hörvin Billsten, L Hashøj, Villy Sundström, G Garcia-Asua

Publikováno v: Biochemistry. 41:4127-4136

LH2 complexes from Rb. sphaeroides were modified genetically so that lycopene, with 11 saturated double bonds, replaced the native carotenoids which contain 10 saturated double bonds. Tuning the S1 level of the carotenoid in LH2 in this way affected

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6e153f20bd0a1786b924cff65e85ef6
https://doi.org/10.1021/bi011741v