OpenAccess

Transportation of active macromolecules through cell membranes is an essential biological process. However, for hydrophilic macromolecules, the hydrophobic interior of lipid bilayers suppresses the passive translocation, and there are only few cases reported. [...]

We combine single-crystal neutron diffraction studies and Monte Carlo simulations to determine the spin structures and finite-temperature phase diagram of the spin-5/2 triangular-lattice antiferromagnet Na2⁢BaMn⁢(PO4)2 in magnetic field. With the application of a magnetic field in two different directions, namely along the 𝑐 axis and in the 𝑎⁢𝑏 plane of the trigonal symmetry, we track the evolution of the spin structure through changes of the magnetic propagation vector. [...]

This thesis presents a comprehensive investigation of the structural and magnetic properties of biocompatible iron oxide nanoparticles coated with three different ligand materials: sodium citrate, (3-aminopropyl)triethoxysilane (APTES), and dextran. The influence of the coating agents on the agglomeration of iron oxide nanoparticles and their oxidation stability over time was studied. [...]