The screencast about NanoWorld Arrow Silicon AFM probes held byNanoWorld AG CEO Manfred Detterbeck has just passed the 500 views mark. Congratulations Manfred!
NanoWorld Arrow™ AFM probes are designed for easy AFM tip positioning and high resolution AFM imaging and are very popular with AFM users due to the highly symetric scans that are possible with these AFM probes because of their special tip shape. They fit to all well-known commercial SPMs (Scanning Probe Microscopes) and AFMs (Atomic Force Microscopes). The Arrow AFM probe consists of an AFM probe support chip with an AFM cantilever which has a tetrahedral AFM tip at its triangular free end.
The Arrow AFM probe is entirely made of monolithic, highly doped silicon.
The unique Arrow™ shape of the AFM cantilever with the AFM tip always placed at the very end of the AFM cantilever allows easy positioning of the AFM tip on the area of interest.
The Arrow AFM probes are available for non-contact mode, contact mode and force modulation mode imaging and are also available with a conductive platinum iridum coating. Furthermore the Arrow™ AFM probe series also includes a range of tipless AFM cantilevers and AFM cantilever arrays as well as dedicated ultra-high frequency Arrow AFM probes for high speed AFM.
To find out more about the different variations please have a look at:
You can also find various application examples for the Arrow AFM probes in the NanoWorld blog. For a selection of these articles just click on the “Arrow AFM probes” tag on the bottom of this blog entry.
Inhalation of fibrous erionite particles has been linked to malignant mesothelioma. Accordingly, erionite is considered the most carcinogenic mineral. The reactivity and the nature of erionite biotoxicity has been the subject of intensive research. Despite very close chemical and structural relationships between erionite and offretite, the reactivity of offretite in lung fluids remains unknown.* In their paper “Real-Time Observation of Fibrous Zeolites Reactivity in Contact with Simulated Lung Fluids (SLFs) Obtained by Atomic Force Microscope (AFM)”, Matteo Giordani, Georgia Cametti, Fulvio Di Lorenzo and Sergey V. Churakov investigate the interaction of erionite and offretite surfaces with simulated lung fluids by means of in situ atomic force microscope (AFM).*
The outcomes presented in the paper mentioned above represent an important step in understanding the complex processes occurring at the surfaces of mineral fibres that could be involved in the toxicological pathway.*
The topography scans were performed in tapping mode with a NanoWorld Arrow-UHFAuD AFM probes under different experimental conditions. To better discriminate the role of the tip from the actual fluid-surface interaction, additional measurements were performed in air and in water in contact mode using an Al-coated NanoWorld Arrow-CONTR AFM cantilever.
Figure 2 from M. Giordani et al. “Real-Time Observation of Fibrous Zeolites Reactivity in Contact with Simulated Lung Fluids (SLFs) Obtained by Atomic Force Microscope (AFM)”: Atomic force microscope (AFM) images of offretite FF surface, in MilliQ water at 25 °C, at different magnifications: (a) height retrace image of particles of different sizes on surface and related sections (d); (b) amplitude retrace image of particularly clean surface terraces and related section (c).
*Matteo Giordani, Georgia Cametti, Fulvio Di Lorenzo and Sergey V. Churakov Real-Time Observation of Fibrous Zeolites Reactivity in Contact withSimulated Lung Fluids (SLFs) Obtained by Atomic Force Microscope (AFM) Minerals 2019, 9(2), 83 DOI: https://doi.org/10.3390/min9020083
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