000632808 001__ 632808 000632808 005__ 20250725213724.0 000632808 0247_ $$2doi$$a10.1107/S205327332309561X 000632808 0247_ $$2ISSN$$a0108-7673 000632808 0247_ $$2ISSN$$a0567-7394 000632808 0247_ $$2ISSN$$a1600-5724 000632808 0247_ $$2ISSN$$a1600-8596 000632808 0247_ $$2ISSN$$a2053-2733 000632808 037__ $$aPUBDB-2025-02233 000632808 041__ $$aEnglish 000632808 082__ $$a530 000632808 1001_ $$0P:(DE-H253)PIP1006443$$aBajt, Sasa$$b0$$eCorresponding author$$udesy 000632808 1112_ $$aTwenty-Sixth Congress and General Assembly of the International Union of Crystallography$$cMelbourne$$d2023-08-22 - 2023-08-29$$gIUCr 2023$$wAustralia 000632808 245__ $$aCompton microscopy with multilayer Laue lenses 000632808 260__ $$c2023 000632808 3367_ $$0PUB:(DE-HGF)1$$2PUB:(DE-HGF)$$aAbstract$$babstract$$mabstract$$s1753428562_2691243 000632808 3367_ $$033$$2EndNote$$aConference Paper 000632808 3367_ $$2BibTeX$$aINPROCEEDINGS 000632808 3367_ $$2DRIVER$$aconferenceObject 000632808 3367_ $$2DataCite$$aOutput Types/Conference Abstract 000632808 3367_ $$2ORCID$$aOTHER 000632808 520__ $$aHigh resolution X-ray imaging of biological samples is usually limited by radiation damage. One way to overcome this limitation is to work at higher photon energies, where the dominant interaction with matter occurs through inelastic or Compton scattering. We calculated that the signal per dose for imaging biological samples is maximized at about 60 keV [1]. X-ray optics for such high energies were until recently limited to reflective mirrors and refractive compound lenses. However, wedged multilayer Laue lenses (MLLs) [3] offer high efficiency and very high resolution of a few nanometers and only limited by the effective source size and the bandwidth. With our own developed MLLs [4] we performed proof-of-principle experiments and demonstrated scanning Compton X-ray microscopy on biological objects at PETRA III synchrotron [2]. Recently, we optimized this method and obtained low dose images of several dried biological objects. We calibrated the scattering signals using well defined silicon objects, which enabled us to collect quantitative images of the projected densities of the biological objects. Compton microscopy in combination with diffraction-limited X-ray sources and large solid angle detectors have great potential for imaging of un-sectioned and unlabeled cells with lower dose than previously achievable. 000632808 536__ $$0G:(DE-HGF)POF4-633$$a633 - Life Sciences – Building Blocks of Life: Structure and Function (POF4-633)$$cPOF4-633$$fPOF IV$$x0 000632808 536__ $$0G:(GEPRIS)390715994$$aAIM, DFG project G:(GEPRIS)390715994 - EXC 2056: CUI: Advanced Imaging of Matter (390715994)$$c390715994$$x1 000632808 536__ $$0G:(DE-H253)I-20231280$$aFS-Proposal: I-20231280 (I-20231280)$$cI-20231280$$x2 000632808 588__ $$aDataset connected to CrossRef, Journals: bib-pubdb1.desy.de 000632808 693__ $$0EXP:(DE-H253)P-P07-20150101$$1EXP:(DE-H253)PETRAIII-20150101$$6EXP:(DE-H253)P-P07-20150101$$aPETRA III$$fPETRA Beamline P07$$x0 000632808 7001_ $$0P:(DE-H253)PIP1006324$$aChapman, H. N.$$b1 000632808 7001_ $$0P:(DE-H253)PIP1094126$$aLi, Tang$$b2 000632808 7001_ $$0P:(DE-H253)PIP1011659$$aFleckenstein, Holger$$b3 000632808 7001_ $$0P:(DE-H253)PIP1016171$$aPrasciolu, M.$$b4 000632808 7001_ $$0P:(DE-H253)PIP1088012$$aDresselhaus, J. L.$$b5 000632808 7001_ $$0P:(DE-H253)PIP1086928$$aIvanov, Nikolay$$b6 000632808 7001_ $$0P:(DE-H253)PIP1006155$$aYefanov, O.$$b7 000632808 7001_ $$0P:(DE-H253)PIP1097799$$aZhang, Wenhui$$b8 000632808 7001_ $$0P:(DE-H253)PIP1008603$$aPennicard, D.$$b9 000632808 7001_ $$0P:(DE-H253)PIP1033133$$aVillanueva-Perez, P.$$b10 000632808 7001_ $$0P:(DE-H253)PIP1007064$$aGutowski, O.$$b11 000632808 7001_ $$0P:(DE-H253)PIP1010723$$aDippel, A.-C.$$b12 000632808 773__ $$0PERI:(DE-600)2020844-3$$a10.1107/S205327332309561X$$gVol. 79, no. a2, p. 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