The fluctuating enzyme: a single molecule approach

L Edman, Z Földes-Papp, S Wennmalm, R Rigler - Chemical Physics, 1999 - Elsevier
… We used the non-fluorescent substrate (S) dihydrorhodamine 6G which after oxidation yields
the … We have recorded the autocorrelation functions of 10 s and 300 s traces from single …

[HTML][HTML] Sequential pH-driven dimerization and stabilization of the N-terminal domain enables rapid spider silk formation

…, M Landreh, M Sarr, H Jörnvall, S Wennmalm… - Nature …, 2014 - nature.com
… NT sequence, was subjected to point mutagenesis using the QuickChange site-directed
mutagenesis kit (Agilent Technologies, Santa Clara, CA, USA) according to the manufacturer’s

Endosomal signalling via exosome surface TGFβ-1

…, Y Yin, SC Jang, C Lässer, S Wennmalm… - Journal of …, 2019 - Taylor & Francis
… cDNA was denatured for 30 s at 95C and then subjected to 40 cycles of 95C for 15 s and
60C for 30 s. The primers were obtained from Sigma (KiCqStart® primers): TGFB1, SMAD2, …

Conformational fluctuations in single DNA molecules

S Wennmalm, L Edman… - Proceedings of the …, 1997 - National Acad Sciences
… Denaturation was at 96C for 30 s, annealing was at 65C for 60 s, and elongation was at
72C for 120 s. Twenty-five cycles were run. (GenAmp PCR System 2400, Perkin–Elmor). …

[HTML][HTML] Agonist-induced dimer dissociation as a macromolecular step in G protein-coupled receptor signaling

…, A Friedler, J Strömqvist, S Wennmalm… - Nature …, 2017 - nature.com
… frame of 85–101 s (including 15 s pre-bleach measurements). … τ/s gives time shift per s. j
The scatter plot summarizes FCCS … Data are based on two to eight 10 s acquisition periods per …

Highly sensitive FRET-FCS detects amyloid β-peptide oligomers in solution at physiological concentrations

S Wennmalm, V Chmyrov, J Widengren… - Analytical …, 2015 - ACS Publications
… for 30 s; thereafter, only 488 nm excitation was used for 30 s. Already during the first 30 s, the
… During the second 30 s, as the 594 nm excitation was switched off, the baseline in the red …

Cooperativity of α-synuclein binding to lipid membranes

K Makasewicz, S Wennmalm, B Stenqvist… - ACS Chemical …, 2021 - ACS Publications
… After 1 h, the dispersion was sonicated using a tip sonicator (CV18 model, Chemical Instruments
AB) set at 40% amplitude in pulse mode (10 s on followed by 10 s off) for 15 min of total …

[HTML][HTML] The structure of cellulose nanofibril networks at low concentrations and their stabilizing action on colloidal particles

…, T Benselfelt, R Hollertz, S Wennmalm… - Carbohydrate …, 2022 - Elsevier
… The sedimentation velocity (v s ) of spherical particles with a diameter a is given by:(9) v s
= g ρ p − ρ a 2 18 η where g is the gravitational acceleration, ρ p and ρ are the densities of …

Luminescent nanocellulose platform: from controlled graft block copolymerization to biomarker sensing

JRG Navarro, S Wennmalm, J Godfrey… - …, 2016 - ACS Publications
… magna’s alimentary canal tissues without any toxicity effect leading to the death of the …
400 μm 2 /s in in water and thereby a diffusion coefficient of about 200 μm 2 /s in DMSO. This …

[HTML][HTML] Variations in plasma membrane topography can explain heterogenous diffusion coefficients obtained by fluorescence correlation spectroscopy

A Gesper, S Wennmalm, P Hagemann… - Frontiers in Cell and …, 2020 - frontiersin.org
… In the following, we use the index S to indicate coordinates … located at an arbitrary z S position
is R z = R 0 + z S tan α. Here, R … For this, let d S = ( x S 2 + y S 2 ) 1 / 2 denote the distance …