User profiles for Lennart Johansson

Lennart Johansson

University Medical Centre Groningen
Verified email at umcg.nl
Cited by 960

Fluorescence and absorption spectroscopic properties of dipyrrometheneboron difluoride (BODIPY) derivatives in liquids, lipid membranes, and proteins

J Karolin, LBA Johansson… - Journal of the American …, 1994 - ACS Publications
Light spectroscopic properties of a recently developed fluorophore, 4, 4-difluoro-4-borata-3a-azonia-4a-azas-indacene
(BODIPY) and its derivatives, have been studied in different …

Targeted next‐generation sequencing can replace Sanger sequencing in clinical diagnostics

B Sikkema‐Raddatz, LF Johansson… - Human …, 2013 - Wiley Online Library
Mutation detection through exome sequencing allows simultaneous analysis of all coding
sequences of genes. However, it cannot yet replace S anger sequencing ( SS ) in diagnostics …

3, 5-Diaryl-4, 4-difluoro-4-bora-3a, 4a-diaza-s-indacene (BODIPY) dyes: synthesis, spectroscopic, electrochemical, and structural properties

…, K Burgess, F Bergström, LBÅ Johansson - The Journal of …, 1999 - ACS Publications
This research was undertaken to obtain new “BODIPY” dyes that fluoresce at relatively long
wavelengths. The title compounds 1a−e were prepared via a divergent route involving …

Dimers of dipyrrometheneboron difluoride (BODIPY) with light spectroscopic applications in chemistry and biology

…, R Wortmann, T Ny, LBÅ Johansson - Journal of the …, 2002 - ACS Publications
A ground-state dimer (denoted D I ) exhibiting a strong absorption maximum at 477 nm (ε =
97 000 M - 1 cm - 1 ) can form between adjacent BODIPY groups attached to mutant forms of …

Anthracene–BODIPY cassettes: syntheses and energy transfer

…, J Chen, F Bergström, LBÅ Johansson… - … A European Journal, 2003 - Wiley Online Library
Compounds based on the 4,4‐difluoro‐1,3,5,7‐tetramethyl‐4‐bora‐3a,4a‐diaza‐s‐indacene
(BODIPY) framework are excellent fluorescent markers. When BODIPY dyes of this type …

Spectroscopic properties of new and convenient standards for measuring fluorescence quantum yields

H Langhals, J Karolin, LBÅ Johansson - Journal of the Chemical …, 1998 - pubs.rsc.org
Three perylene derivatives with fluorescent quantum yields of 100% are suggested as new
useful standards for the determination of fluorescence quantum yields. The compounds are N,…

A detailed investigation of HPGe detector response for improved Monte Carlo efficiency calculations

J Boson, G Ågren, L Johansson - … and Methods in Physics Research Section …, 2008 - Elsevier
Monte Carlo simulations using MCNP5 software have been performed in order to estimate
the full-energy-peak efficiency of an HPGe detector. Since a discrepancy was found between …

Diffusion and interaction in gels and solutions. 3. Theoretical results on the obstruction effect

L Johansson, C Elvingson, JE Loefroth - Macromolecules, 1991 - ACS Publications
A new theory for the diffusion of a spherical solute in a network, eg, a polymer gel or solution,
is presented. The distribution of spaces in the network is used to evaluate a frequency …

[HTML][HTML] IDAC-Dose 2.1, an internal dosimetry program for diagnostic nuclear medicine based on the ICRP adult reference voxel phantoms

M Andersson, L Johansson, K Eckerman, S Mattsson - EJNMMI research, 2017 - Springer
Background To date, the estimated radiation-absorbed dose to organs and tissues in patients
undergoing diagnostic examinations in nuclear medicine is derived via calculations based …

The cubic phase of monoglyceride-water systems. Arguments for a structure based upon lamellar bilayer units

G Lindblom, K Larsson, L Johansson… - Journal of the …, 1979 - ACS Publications
A combination of low-angle X-ray diffraction and NMR diffusion techniques may beused for
the elucidation of the internal structure of cubic lyotropic liquid crystalline lipid systems. The …