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3 article(s) from Brüggemann, Dorothea

Wet-spinning of magneto-responsive helical chitosan microfibers

Dorothea Brüggemann,
Johanna Michel,
Naiana Suter,
Matheus Grande de Aguiar and
Michael Maas

Beilstein J. Nanotechnol. 2020, 11, 991–999, doi:10.3762/bjnano.11.83

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Figure 1: (A, B) Shear viscosity and shear stress of bare chitosan solutions (black lines) and chitosan solut...

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Figure 2: Vibrating sample magnetometer analysis of bare IOPs (brown line), bare chitosan fibers (dashed blac...

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Figure 3: Helical IOP-embedded chitosan microfibers were prepared by wet-spinning and manual winding. (A) A r...

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Figure 4: Mechanical characteristics of IOP-embedded helical chitosan fibers showed different deformation reg...

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Figure 5: Freeze frames from a video showing attraction to and reversible stretching of a helical fiber by a ...

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Figure 6: Scheme of the wet-spinning process that generated helical microfibers. A solution of chitosan and m...

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Supp Info

Full Research Paper

Published 07 Jul 2020

Full text

Single-molecule mechanics of protein-labelled DNA handles

Vivek S. Jadhav,
Dorothea Brüggemann,
Florian Wruck and
Martin Hegner

Beilstein J. Nanotechnol. 2016, 7, 138–148, doi:10.3762/bjnano.7.16

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Figure 1: Bead arrangements in different optical force measurements. a) PDHs tethered to an anti-DIG bead (2....

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Figure 2: Quantitative analysis of labelled and unlabelled DNA. Gel electrophoresis [(1.8% a) (lane 1, 2 and ...

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Figure 3: Characteristic force–extension curve. The biotin bead interacting with the protein moiety by molecu...

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Figure 4: Selected force distributions for protein–DNA coupled to anti-DIG beads with the ratio 40:1. a) Comb...

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Figure 5: Optical force measurements of DIG-DNA-Thiol. Distribution of rupture forces for DIG-DNA-Thiol pulle...

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Figure 6: Studying the stability and force-induced disruption of streptavidin-labelled DNA handles in TICO bu...

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Figure 7: Characteristic force–extension curves of double-handle experiments. a) DIG-DNA-Bio and streptavidin...

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Figure 8: Fluorescence measurements of Qdot–streptavidin conjugates that were attached to freely accessible D...

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Full Research Paper

Published 29 Jan 2016

Full text

Model systems for studying cell adhesion and biomimetic actin networks

Dorothea Brüggemann,
Johannes P. Frohnmayer and
Joachim P. Spatz

Beilstein J. Nanotechnol. 2014, 5, 1193–1202, doi:10.3762/bjnano.5.131

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Figure 1: Schematic view of active integrin molecules linking the ECM to the actin cytoskeleton. The heads of...

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Figure 2: Cryoelectron micrographs of negatively stained DMPG/DMPC vesicles containing integrin α_IIbβ₃. Negat...

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Figure 3: GUVs containing integrins interacting with a fibrinogen-coated substrate: (A) adhesion is detected ...

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Figure 4: Dependence of actin/α-actinin network structures on the vesicle size. The 3D reconstructions of net...

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Figure 5: Thin actin protrusions emerge from dendritic actin networks. Phase-contrast (A) and spinning-disc c...

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Figure 6: Confocal fluorescence micrographs of giant actin-filled liposomes. Lipid membranes are labelled wit...

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Figure 7: Transformed liposomes observed by dark-field microscopy in the presence of talin. Liposomes used we...

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Review

Published 01 Aug 2014

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