3 article(s) from Kovalev, Alexander
- Full Research Paper
- Published 14 Sep 2022
-
PDF -
Album-
![]()
Figure 1: Bee propolis. (A) Raw propolis as collected from the hive. (B) Homogenised propolis powder. (C) Con...
-
![]()
Figure 2: Head and mandible of a worker bee. (A) Frontal view of a honeybee head with an arrow pointing to th...
-
![]()
Figure 3: Adhesion experiments. (A) Experimental set-up for adhesion testing with the Basalt-01 mechanical te...
-
![]()
Figure 4: Anatomy of the bee mandible. (A) Medial surface of left bee mandible. Characteristic features are l...
-
![]()
Figure 5: Profile of scales on bee mandibles. (A) Cryo-SEM micrograph of mandible cuticle. The arrowhead indi...
-
![]()
Figure 6: Mandibles of propolis bees. (A) Mandible tip completely covered with resin. (B) Resin residues on m...
-
![]()
Figure 7: Propolis adhesion on bee mandibles. (A) Adhesion of propolis on bee mandibles compared to glass. Ad...
-
![]()
Figure 8: Fractures of freshly prepared, frozen bee mandibles. (A) Overview of mandible fracture. Inside and ...
-
![]()
Figure 9: Bee mandibles washed with different methods. (A–C) Cryo-SEM micrographs of untreated bee mandibles ...
-
![]()
Figure 10: Fractures of bee mandibles washed with chloroform. (A) Cryo-SEM micrograph of fractured bee mandibl...
-
![]()
Figure 11: Replica of bee mandible. (A) Bee mandible replica made of Spurr’s epoxy resin. (B) Propolis adhesio...
-
- Full Research Paper
- Published 05 Dec 2016
-
PDF -
Album-
![]()
Figure 1: Mucilage composition. Bright field and fluorescence microscopy images of different staining reactio...
-
![]()
Figure 2: Desiccation dynamics of five individual plantain seeds (solid lines) and a water droplet (dashed li...
-
![]()
Figure 3: Adhesion force (Fad) of mucilaginous seeds measured at different degrees of desiccation after full ...
-
![]()
Figure 4: The ratio of pull-off force (Fad) to contact area (A0) (adhesion stress) for five individual seeds ...
-
![]()
Figure 5: Dynamics of the friction coefficient, µ. The friction coefficient was calculated according to Equation 2 with...
-
![]()
Figure 6: The comparison of the mean values of Fad (adhesion force) and Fad/A0 (adhesion stress) at different...
-
- Full Research Paper
- Published 28 Aug 2014
-
PDF -
Album-
![]()
Figure 1: Phase contrast images of A. castellanii trophozoites on PDMS substrates with different Young’s modu...
-
![]()
Figure 2: Cell adhesion area of A. castellanii as a function of the Young’s modulus of the PDMS substrates an...
-
![]()
Figure 3: Average relative counts of projected cell areas of adhering A. castellanii on PDMS substrates and o...
-
![]()
Figure 4: Numbers (in % of control) of A. castellanii adhering to PDMS substrates after 1 h of incubation. Th...
-
