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The morphology of organosilicon ladder polymers was studied by various methods, including x‐ray techniques, diffraction of monochromatic polarized light, and electron microscopy. The morphology is discussed as a function of the chemical composition, the molecular weight, and the method of preparation.

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Scanning transmission X-ray microscopy, especially in combination with X-ray fluorescence detection (STXM-XRF) in the soft X-ray energy range, is becoming an increasingly important tool for life sciences. Using X-ray fluorescence detection, the study of biochemical mechanisms becomes accessible. As biological matrices generally have a low fluorescence yield and thus a low fluorescence signal, high detector efficiency (e.g. large solid angle) is indispensable for avoiding long measurement times and radiation damage. Here, the new AnImaX STXM-XRF microscope equipped with a large solid angle of detection enabling fast scans and the first proof-of-principle measurements on biomedical samples are described. In addition, characterization measurements for future quantitative elemental imaging are presented. research papers J. Synchrotron Rad. (2019). 26, 430-438 Lars Lü hl et al. Biomedical applications of STXM-XRF in the soft/tender energy range research papers J. Synchrotron Rad. (2019). 26, 430-438 Lars Lü hl et al. Biomedical applications of STXM-XRF in the soft/tender energy range research papers 436 Lars Lü hl et al. Biomedical applications of STXM-XRF in the soft/tender energy range J. Synchrotron Rad. (2019). 26, 430-438Figure 7Transmission image (top) and pseudo-colour image (bottom) for C (blue, BAT) and Fe (red, SPIO) for control tissue.