Stabilization of indocyanine green by encapsulation within micellar systems

AK Kirchherr, A Briel, K Mäder - Molecular pharmaceutics, 2009 - ACS Publications
Indocyanine green (ICG) is a fluorescence dye that is widely used for near-infrared imaging.
Application of this dye is limited by its numerous disadvantageous properties in aqueous …

Photostability and thermal stability of indocyanine green

W Holzer, M Mauerer, A Penzkofer… - … of Photochemistry and …, 1998 - Elsevier
The photo-fading of the S0-S1 absorption band of the infrared dye indocyanine green
sodium iodide (ICG-NaI) has been studied by cw laser excitation to the S1 band. Monomeric …

Kinetics of salt-induced J-aggregation of cyanine dyes

TD Slavnova, AK Chibisov… - The Journal of Physical …, 2005 - ACS Publications
The addition of monovalent, divalent, and trivalent metal ions to three anionic ethyl meso-
thiacarbocyanine dyes, an ethyl meso-oxacarbocyanine, and an imidacarbocyanine in …

J-aggregation and disaggregation of indocyanine green in water

F Rotermund, R Weigand, A Penzkofer - Chemical physics, 1997 - Elsevier
J-aggregates of indocyanine green sodium iodide in water are formed by heat treatment.
Starting from a dimeric solution the activation energy of molecule attachment (Eatt≈ 0.41 ev) …

Photo-isomerisation, triplet formation, and photo-degradation dynamics of indocyanine green solutions

H Gratz, A Penzkofer, C Abels, RM Szeimies… - … of Photochemistry and …, 1999 - Elsevier
Indocyanine green sodium iodide (ICG-NaI) in dimethylsulfoxide (DMSO), methanol, water,
and human plasma is excited with a chopped powerful diode laser at 812.5 nm (time …

A study of the binding of cyanine dyes to colloidal quantum dots using spectral signatures of dye aggregation

EA McArthur, JM Godbe, DB Tice… - The Journal of Physical …, 2012 - ACS Publications
This paper describes the use of the spectral signatures of near-infrared (NIR) absorbing
cyanine dyes to quantitatively analyze their intermolecular interactions upon adsorption to …

Experimental selective choriocapillaris photothrombosis using a modified indocyanine green formulation

JA Cardillo, R Jorge, RA Costa, SMT Nunes… - British journal of …, 2008 - bjo.bmj.com
Background: This in vivo study assessed and compared the effectiveness of an aqueous
indocyanine green (ICG) formulation (R-ICG) and a lipid ICG formulation (L-ICG) in …

Microstructure of indocyanine green J-aggregates in aqueous solution

J Zweck, A Penzkofer - Chemical Physics, 2001 - Elsevier
The morphologic structure of indocyanine green J-aggregates in water and in heavy water is
studied by transmission electron microscopic imaging and electron diffraction. In water sub …

Protein aggregation studied by forward light scattering and light transmission analysis

A Penzkofer, J Shirdel, P Zirak, H Breitkreuz, E Wolf - Chemical Physics, 2007 - Elsevier
The aggregation of the circadian blue-light photo-receptor cryptochrome from Drosophila
melanogaster (dCry) is studied by transmission and forward light scattering measurement in …

Absorption and fluorescence spectroscopic characterization of BLUF domain of AppA from Rhodobacter sphaeroides

P Zirak, A Penzkofer, T Schiereis, P Hegemann, A Jung… - Chemical Physics, 2005 - Elsevier
The BLUF domain of the transcriptional anti-repressor protein AppA from the non-sulfur
anoxyphototrophic purple bacterium Rhodobacter sphaeroides was characterized by …