Ntegra prima
NTEGRA Prima is a high-performance scanning probe microscope (SPM) system designed for advanced materials research and nanoscale imaging. It offers a comprehensive set of measurement capabilities, including atomic force microscopy (AFM), scanning tunneling microscopy (STM), and advanced spectroscopy techniques. The NTEGRA Prima provides a versatile and reliable platform for researchers to investigate the topography, mechanical, electrical, and magnetic properties of a wide range of samples at the nanoscale.
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26 protocols using ntegra prima
Nanocellulose Morphology Characterization by AFM
Visualizing HU Macromolecules on Mica
Unless otherwise stated, all process parameters for the deposition of the solution on the mica surface were kept constant. The samples were analyzed with the NTEGRA Prima (NT-MDT) microscope in the tapping mode in the air atmosphere. The silicon probe of force constant (1.45-15.1) N/m, type NSG01 (TipsNano) was used. The sample area was scanned in rate of 0.7 Hz in 512 × 512 pixel format.
Atomic Force Microscopy of Cell Nanostructure
Atomic Force Microscopy of CA-PEI Micelles
Atomic Force Microscopy of Protein Fibrils
Atomic Force Microscopy of Red Blood Cells
To prepare smears, cells were fixed. For this purpose, 50 µL of 1% glutaraldehyde solution (Panreac Quimica S.L.U., Barcelona, Spain) was added to 50 µL of cells. The cells were incubated for 4 min. Then, the samples were washed with distilled water to avoid salts on the smear. A cell monolayer for scanning by atomic force microscope was obtained using a V-Sampler (Vision, Vienna, Austria) by placing a 10 µL specimen on a slide. Dry smears were scanned at room temperature (20 °C).
Chit5 Nanoparticle Synthesis and Characterization
Chit5 nanoparticles were obtained after 1 h incubation of 5 mg of Chit5 (PBS, pH 7.4) and drug-MCD inclusion complex (5 mg on drug for 20–35% of mass content in final formulation) followed by extrusion (three times through 200 or 400 nm membrane, Avanti Polar Lipids, Alabaster, AL, USA).
Chit5–genipin (Chit5-gen) nanoparticles were obtained after 24 h incubation of Chit5 nanoparticles (5 mg on Chit5) with 0.1 mg of genipin (dissolved in 10 µL of EtOH) [53 (link),53 (link),54 (link),55 (link),56 (link),57 (link)].
Particles’ hydrodynamic diameter sizes and ζ-potentials were measured using a Zetasizer Nano S «Malvern» (Malvern Instruments Ltd., Malvern, UK). The topography, phase and magnitude signal images of the nanogels deposited onto freshly cleaved surface of mica were obtained by atomic force microscopy (AFM) using a scanning probe microscope NTEGRA Prima (NT-MDT Spectrum Instruments, Moscow, Russia).
Atomic Force Microscopy of RBC Membranes
To measure stiffness, RBCs were scanned in an AFM field 100 × 100 μm2; a group of cells was selected for the study and scanned in the field of 30 × 30 μm2. Then, in the atomic force spectroscopy mode, a marker was placed on the cell image and the region was exposed to an indenter (probe) with the force F. The characteristics and peculiarities of deep penetrations of the probe into the membrane were studied. That is, curves of the piezoscanner's approach was used in the analysis of the experimental data, I(z) and correspondingly F(h).
Surface Characterization of Chitosan-Modified Electrodes
Kinetics of α-Synuclein Aggregation
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