Publications

Selected Publications

[1]            Illibauer J, Clodi-Seitz T, Zoufaly A, Aberle J, Weninger WJ, Födinger M, Elsayad K^c. Diagnostic potential of blood plasma longitudinal viscosity measured using Brillouin light scattering Proc. Nat. Acad. Sci. USA (in press)

[2]            Czibula C, Ulz MH, Wagner A, Elsayad K, Hirn U, Koski KJ. The elastic stiffness tensor of cellulosic viscose fibers measured with Brillouin spectroscopy. J. Phys. Photonics 6(3):035012 (2024).
DOI: 10.1088/2515-7647/ad4cc6

[3]            Keshmiri H, Cikes D, Samalova M, Schindler L, Appel L-M, Urbanek M, Yudushkin I, Slade D, Weninger WJ, Peaucelle A, Penninger J, Elsayad K^c. Brillouin light scattering anisotropy microscopy for imaging the viscoelastic anisotropy in living cells. Nature Photonics 18:276–285 (2024).
DOI: 10.1038/s41566-023-01368-w

[4]            Windberger U, Sparer A, Elsayad K, The role of plasma in the yield stress of blood. Clin. Hemorheol. Microcirc. 84(4):369-383 (2023).
DOI: 10.3233/ch-231701

[5]            Pruidze P, Chayleva E, Weninger WJ, Elsayad K^c. Brillouin Scattering Spectroscopy for studying human anatomy: Towards in situ mechanical characterization of soft tissue J. Eur. Opt. Soc. – Rapid Publication 19:31 (2023).
DOI:  10.1051/jeos/2023028

[6]            Cikes D^c, Elsayad K^c, Sezgin E, Koitai E, Ferenc T, Orthofer M, Yarwood R, Heinz L, Sedlyarov V, Miranda ND, Taylor A, Grapentine S, al- Murshedi F, Abott A, Weidinger A, Kutchukian C, Sanchez C, Cronin SJF, Novatchkova M, Kavirayani A, Schuetz T, Haubner B, Haas L, Hagelkruys A, Jackowski1 S, Kozlov A, Jacquemond V, Knauf C, Superti-Furga G, Rullman E, Gustafsson T, McDermot J, Lowe M, Radak Z, Chamberlain JS, Bakovic M, Banka S, Penninger JM^c. Loss of PCYT2 causes lipid deficiency-induced muscle degeneration by distorting lipid bilayer architecture, Nature Metabolomics, 5, 495–515 (2023).
DOI: 10.1038/s42255-023-00791-1

[7]            Samalova, M, Melnikava, Elsayad, K, A, Peaucelle, A, Gahurova, E, Gumulec, J, Spyroglou, I, Zemlyanskaya, EV, Ubogoeva, EV, Hejatko, J. Expansin-controlled cell wall stiffness regulates root growth in Arabidopsis. Plant Phytology, kiad228 (2023).
DOI: 10.1093/plphys/kiad228

[8]            Antonacci G, Elsayad K, Polli D, On-chip notch filter on a silicon nitride ring resonator for Brillouin spectroscopy, ACS Photonics 9, 772–777 (2022).
DOI: 10.1021/acsphotonics.2c00005

[9]            Keshmiri, H, Armin, F, Elsayad, K, Schreiber F, Moreno, M. Leaky and waveguide modes in biperiodic holograms. Sci. Rep. 11, 10991 (2021).
DOI:10.1038/s41598-021-89971-1

[10]          Elsayad K, Brillouin Microscopy in “Imaging Modalities for Biological and Preclinical Research: A Compendium, Volume 1”, Part I: Ex vivo biological imaging (Ed.  Walter A, Mannheim J, Caruana CJ), I.9.c-1 – I.9.c-16. (2021) [ISBN 978-0-7503-3057-2]. DOI:10.1088/978-0-7503-3059-6

[11]          Kaufmann T, Herbert S, Hackl B, Besold JM, Schramek C, Gotzmann J, Elsayad K, Slade D. Direct measurement of protein-protein interactions by FLIM-FRET at UV laser-induced DNA damage sites in living cells. Nuc. Acid Res. gkaa859 (2020).
DOI:10.1093/nar/gkaa859

[12]          van der Wal E, Cikes D, Olie CS, Maton L, de Greef JC, Lin I-H, Chen Y-F, Elsayad K, Penninger JM, Kessler BK. Cytoskeleton disorganization underlies aberrant muscle cell function in PABPN1-mediated muscle atrophy. Sci. Rep.10:17621 (2020). DOI:10.1038/s41598-020-74676-8

[13]          Antonacci G, Beck T, Bilenca A, Czarske J, Elsayad K^c, Guck J, Kim K, Krug B, Palombo F, Prevedel R^c, Scarcelli G Recent progress and current opinions in Brillouin Microscopy for life science application. Biophys. Rev. 12(3) (2020).
DOI:10.1007/s12551-020-00701-9

[14]          Elsayad K, Urstöger G, Czibula, C, Teichert C, Jaromir G, Balvan J, Pohlt M, Hirn U. Mechanical Properties of cellulose fibers measured by Brillouin spectroscopy. Cellulose (2020).
DOI:10.1007/s10570-020-03075-z

[15]          Elsayad K^c Mapping the phonon dispersion in biological matter using angle-resolved Brillouin light scattering microspectroscopy, Proc. SPIE 11242, 112420F (2020). DOI:10.1117/12.2550449

[16]          Elsayad K^c, Palombo F, Dehoux T, and Fioretto D, Brillouin Light Scattering Microspectroscopy for Biomedical Research and Applications: introduction to feature issue, Biomed. Opt. Exp. 10(5):2670-2673 (2019).
DOI:10.1364/BOE.10.002670

[17]           Elsayad K^c, A new angle on mapping the refractive index, APS Physics 12, 27 (2019).
https://physics.aps.org/articles/v12/27

[18]           Elsayad, K^c Optical imaging spectroscopy for plant research: More than a colorful picture, Current Opinions in Plant Biology 52:77-85 (2019).
DOI:10.1016/j.pbi.2019.08.005

[19]           Elsayad K^c, Polakova S, Gregan J, Probing Mechanical Properties in Biology using Brillouin Microspectroscopy, Trends in Cell Biology S0962-8924(19):30075-3 (2019). DOI:10.1016/j.tcb.2019.04.002

[20]           Elsayad K^c Spectral Phasor Analysis for Brillouin Microspectroscopy, Frontiers in Physics 7:62 (2019).
DOI:10.3389/fphy.2019.00062

[21]           Andriotis G, Elsayad K, Smart DE, Nalbach M, Davies DE, Thurner PJ Hydration and nanomechanical changes in collagen fibrils bearing advanced glycation end-products, Biomed. Opt. Exp.10(4):1841-1855 (2019).
DOI:10.1364/BOE.10.001841

[22]           Elsayad K^c, Kavirayani A, Brillouin light scattering spectroscopy applications for liquid biopsies, Proc. SPIE, 104960W (2018).
DOI:10.1117/12.2292491

[23]           Elsayad K^c, Palombo F  Brillouin microspectroscopy: In search of the mechanical properties in biological systems well below a wavenumber, Spectroscopy Europe/Asia, 30(6):12-14 (2018).
https://www.spectroscopyeurope.com/system/files/pdf/SE_30-6_Brillouin.pdf

[24]           Garbrecht J, Hornegger H, Herbert S, Kaufmann T, Gotzmann J, Elsayad K, Slade D. Simultaneous dual-channel imaging to quantify interdependent protein recruitment to laser-induced DNA damage sites. Nucleus 9(1):474 (2018).
DOI:10.1080/19491034.2018.1516485

[25]           Puhlyakova E., Aman A.J., Elsayad K, Technau U, b-catenin dependent mechanotransduction dates back to the common ancestor of Cnidaria and Bilateria. Proc. Nat. Acad. Sci. USA 115(24):6231 (2018).
DOI:10.1073/pnas.1713682115

[26]           Elsayad K^c, and Heinze K, Fluorescence Excitation, Decay, and Energy Transfer in the Vicinity of Thin Dielectric/Metal/Dielectric Layers near their Surface Plasmon Polariton Cutoff Frequency, in "Surface Plasmon Enhanced, Coupled and Controlled Fluorescence" (1st Edition, Edited by C. Geddes). 2017 John Wiley & Sons, Inc. [ISBN: 978-1-118-02793-6] (2017).
DOI:10.1002/9781119325161.ch6

[27]           Schreiber B, Elsayad K, Heinze KG, Axicon-based Bessel beams for flat-field illumination in total internal reflection fluorescence microscopy, Opt. Lett. 42(19):3880. (2017) (Editors Choice).
DOI:10.1364/OL.42.003880

[28]           Slade D, Kaufmann T, Grishkovskaya I, Polyansky A, Kostrhon S, Kukolj E, Olek K, Sebastien H, Beltzung E, Mechtler K, Peterbauer T, Gotzmann J, Zhang L, Hartl M, Zagrovic B, Elsayad K, Djinovic-Carugo K, A novel non-canonical PIP-box mediates PARG interaction with PCNA, Nucleic Acid Research 45(16):9741 (2017).
DOI:10.1093/nar/gkx604

[29]           Elsayad K^c, Werner S, Gallemí M, Kong J, Sánchez ER, Zhang L, Jaillais Y, Greb T, Belkhadir Y, Mapping the subcellular mechanical properties of live cells in tissues with fluorescence emission–Brillouin imaging, Science Sig. 9(435):rs5 (2016) (Cover article). DOI:10.1126/scisignal.aaf6326

[30]           Breuss M, Morandell J, Nimpf S, Gstrein T, Lauwers M, Hochstöger T, Braun A, Chan K, Sánchez Guajardo ER, Zhang L, Suplata M, Heinze KG, Elsayad K, Keays DA, The expression of tubb2b undergoes a developmental transition in murine cortical neurons. Journ. of Comp. Neur. 523(15): 2161. (2015) (Cover article).
DOI:10.1002/cne.23836

[31]           Heinze, KG, Elsayad, K, Membrane Protein Localization by SpecON. Imaging & Microscopy 16:23 (2014). 
https://analyticalscience.wiley.com/do/10.1002/imaging.4389

[32]           Elsayad K^c, Urich A, Tan, PS, Nemethova, M, Small, JV, Unterrainer, K, Heinze, KG,  Spectrally coded optical nanosectioning (SpecON) with biocompatible metal–dielectric-coated substrates. Proc. Nat. Acad. Sci USA 110:20069 (2013).
DOI:10.1073/pnas.1307222110

[33]           Elsayad K^c, Urich, A, Nemethova, M, Small, JV, Unterrainer, K, Heinze, KG, Fluorescence enhancements and spectral modifications near the cut-off frequency of plasmonic structures. Proc. SPIE 8234:82340W (2012).
DOI:10.1117/12.909084

[34]           Elsayad K^c, Suplata M, Heinze KG, Using MATLAB to Achieve Nanoscale Optical Sectioning in the Vicinity of Metamaterial Substrates by Simulating Emitter-Substrate Interactions in “Engineering Education and Research Using MATLAB" (Ed. A.H. Assi) [ISBN 978-953-307-656-0] (2011).
DOI:10.5772/21089

[35]           Elsayad K^c, Heinze, KG, Temperature dependence of the near-field superlensing effect for single metal layers and stacked metal-dielectric films, Proc. SPIE. 7757:77573L (2010).
DOI:10.1117/12.860927

[36]           Elsayad K^c, Urich, A, Unterrainer, K, Heinze, KG. Fast near-field imaging of spectrally broad sources using layered metallic structures, Proc. SPIE. 7757:77573M (2010). DOI:10.1117/12.860940

[37]           Elsayad K^c, Heinze, KG, Multifrequency parallelized near-field optical imaging with anistropic metal-dielectric stacks, Phys. Rev. A 81:053840 (2010).
DOI:10.1103/PhysRevA.81.053840

[38]           Neumüller, KG, Elsayad K, Reisecker, JM, Waxham, MN, Heinze, KG, Photounbinding of calmodulin from a family of CaM binding peptides. PloS ONE 5:e14050 (2010).
DOI:10.1371/journal.pone.0014050

[39]           Elsayad K^c, Heinze, KG, Defining a Superlens Operating Regime for Imaging Fluorescent Molecules. PloS ONE 4:e7963 (2009).
DOI:10.1371/journal.pone.0007963

[40]           Elsayad K^c, Carini, JP, Baxter, DV, Measurement of linear-response Coulomb drag in insulating a-Si_1-xNb_x bilayer systems. Solid State Comm. 148:261 (2008).
DOI:10.1016/j.ssc.2008.09.019

(^c = corresponding author)