Quantum dots versus organic dyes as fluorescent labels

U Resch-Genger, M Grabolle, S Cavaliere-Jaricot… - Nature …, 2008 - nature.com
Suitable labels are at the core of luminescence and fluorescence imaging and sensing. One
of the most exciting, yet also controversial, advances in label technology is the emerging …

Relative and absolute determination of fluorescence quantum yields of transparent samples

C Würth, M Grabolle, J Pauli, M Spieles… - Nature protocols, 2013 - nature.com
Luminescence techniques are among the most widely used detection methods in the life and
material sciences. At the core of these methods is an ever-increasing variety of fluorescent …

Determination of the fluorescence quantum yield of quantum dots: suitable procedures and achievable uncertainties

M Grabolle, M Spieles, V Lesnyak, N Gaponik… - Analytical …, 2009 - ACS Publications
Despite the increasing use of semiconductor nanocrystals (quantum dots, QDs) with unique
size-controlled optical and chemical properties in (bio)analytical detection, biosensing and …

Comparison of methods and achievable uncertainties for the relative and absolute measurement of photoluminescence quantum yields

C Würth, M Grabolle, J Pauli, M Spieles… - Analytical …, 2011 - ACS Publications
The photoluminescence quantum yield (Φ f ) that presents a direct measure for the efficiency
of the conversion of absorbed photons into emitted photons is one of the spectroscopic key …

[HTML][HTML] Rapid loss of structural motifs in the manganese complex of oxygenic photosynthesis by X-ray irradiation at 10–300 K

M Grabolle, M Haumann, C Müller, P Liebisch… - Journal of Biological …, 2006 - ASBMB
Structural changes upon photoreduction caused by x-ray irradiation of the water-oxidizing
tetramanganese complex of photosystem II were investigated by x-ray absorption …

[Cr(ddpd)2]3+: A Molecular, Water‐Soluble, Highly NIR‐Emissive Ruby Analogue

S Otto, M Grabolle, C Förster, C Kreitner… - Angewandte Chemie …, 2015 - Wiley Online Library
Bright, long‐lived emission from first‐row transition‐metal complexes is very challenging to
achieve. Herein, we present a new strategy relying on the rational tuning of energy levels. …

[HTML][HTML] Energetics of primary and secondary electron transfer in photosystem II membrane particles of spinach revisited on basis of recombination-fluorescence …

M Grabolle, H Dau - Biochimica et Biophysica Acta (BBA)-Bioenergetics, 2005 - Elsevier
Photon absorption by one of the roughly 200 chlorophylls of the plant Photosystem II (PSII)
results in formation of an equilibrated excited state (Chl200*) and is followed by chlorophyll …

Stability and fluorescence quantum yield of CdSe–ZnS quantum dots—influence of the thickness of the ZnS shell

M Grabolle, J Ziegler, A Merkulov… - Annals of the New …, 2008 - Wiley Online Library
We investigated the correlation between the thickness of the ZnS shell of CdSe–ZnS quantum
dots (QDs), the stability of the particles, and the fluorescence quantum yield. As a measure …

Suitable labels for molecular imaging–influence of dye structure and hydrophilicity on the spectroscopic properties of IgG conjugates

J Pauli, M Grabolle, R Brehm, M Spieles… - Bioconjugate …, 2011 - ACS Publications
Aiming at the design of highly brilliant NIR emissive optical probes, eg, for in vivo near-infrared
fluorescence imaging (NIRF), we studied the absorption and fluorescence properties of …

Nile-Red–nanoclay hybrids: red emissive optical probes for use in aqueous dispersion

T Felbeck, T Behnke, K Hoffmann, M Grabolle… - Langmuir, 2013 - ACS Publications
Water-dispersible and (bio)functionalizable nanoclays have a considerable potential as
inexpensive carriers for organic molecules like drugs and fluorophores. Aiming at simple design …