(A) Contribution to Book Chapters

(1)      A. Devaux, F. Cucinotta, S. Kehr, L. De Cola*, (2011) "Functionalization and Assembling of Inorganic Nanocontainers for Optical and Biomedical Applications" in "Part Three: Nanopatterning and Processing" of "Functional Supramolecular Architectures: For Organic Electronics and Nanotechnology” (eds.: P. Samorì and F. Cacialli) Wiley-VCH, pp. 281-342.

(B) Articles in Journals

(69)    Y. D. Demir, D. Tepeli, M. D. Güvensen, F. Soyer, Ö. Akin, N. S. Kehr*, "The Impact of Oxygen and Antimicrobial Tea Tree Oil Carrying Biomaterial on Cell Viability Under Hypoxic Conditions" Biotechnol. Bioeng. 2026, 123, 222.

(68)    Y. D. Demir, E. Ergül, D. Tepeli, E. Kurulgan Demirci, P. Pehlivanoğlu, N. S. Kehr*, "The Effect of Co-Delivery of Oxygen and Antibacterial Drug Gentamicin from Alginate-Based Nanocomposite Hydrogels on Bacterial Apoptosis and Cell Viability" Chem. Select 2025, 10, e202405699.

(67)    N. S. Kehr*, "Injectable nanocomposite hydrogels with co-delivery of oxygen and anticancer drugs for higher cell viability of healthy cells than cancer cells under normoxic and hypoxic conditions" Biomed. Mater. 2025, 20, 015035.

(66)    N. S. Kehr*, "The Effect of Co-Delivery of Oxygen and Anticancer Drugs on the Viability of Healthy and Cancer Cells under Normoxic and Hypoxic Conditions" Macromol. Biosci. 2024, 24, 2400181.

(65)    G. Yürük, Y. D. Demir, Ş. Vural, N. S. Kehr*,  "Polymeric biomaterials for periodontal tissue engineering and periodontitis" RSC Appl. Polym. 2024, 2, 534.

(64)    S. Bayraktar, C. Üstün, N. S. Kehr*,  "Oxygen Delivery Biomaterials in Wound Healing Applications" Macromol. Biosci. 2024, 24, e2300363.

(63)    R. Kumar, N. S. Kehr*, "Roadmap on multifunctional materials for drug delivery: 7. Inorganic/organic hybrids in drug delivery" J. Phys. Mater. 2024, 7, 012502. 

(62)    I. Hornyák*, A. Jedlovszky-Hajdú, N. S. Kehr, "Biomaterial applications in soft tissue engineering and replacement" Front. Bioeng. Biotechnol. 2023, 11, 1227021.

(61)    P. Dongiovanni, M. Meroni, S. Casati*, R. Goldoni, D. V. Thomaz, N. S. Kehr, D. Galimberti, M. Del Fabbro, G. M. Tartaglia, "Salivary biomarkers: novel noninvasive tools to diagnose chronic inflammation" Int. J. Oral Sci. 2023, 15, 27.

(60)    R. Kumar, N. S. Kehr*, "3D-Printable Oxygen- and Drug-Carrying Nanocomposite Hydrogels for Enhanced Cell Viability" Nanomaterials 2022, 12, 1304.

(59)    R. Kumar, N. S. Kehr*, "Oxygen and Drug-Carrying Periodic Mesoporous Organosilicas for Enhanced Cell Viability under Normoxic and Hypoxic Conditions" Int. J. Mol. Sci. 2022, 23, 4365.

(58)    A. Motealleh, A. H. Schäfer, O. Fromm, N. S. Kehr*, "3D-Printed Oxygen-Carrying Nanocomposite Hydrogels for Enhanced Cell Viability under Hypoxic and Normoxic Conditions" Biomacromolecules 2021, 22, 4758.

(57)    A. Motealleh, D. Kart, M. Czieborowski, N. S. Kehr*, "Functional Nanomaterials and 3D-Printable Nanocomposite Hydrogels for Enhanced Cell Proliferation and for the Reduction of Bacterial Biofilm Formation" ACS Appl. Mater. Interfaces 2021, 13, 43755.

(56)    A. Motealleh, A. Schulten, N. S. Kehr*, "3D printed step-gradient composite hydrogels for directed migration and osteogenic differentiation of human bone marrow-derived mesenchymal stem cells" Nano Select 2022, 3, 411.

(55)    A. Motealleh, N. S. Kehr*, "Step-Gradient Composite Hydrogels for Local Drug Delivery and Directed Cell Migration" Adv. NanoBiomed. Res. 2021, 1, 2000114.

(54)    A. Motealleh, P. Dorri, M. Czieborowski, B. Philipp, N. S, Kehr*, "Bifunctional nanomaterials for simultaneously improving cell adhesion and affecting biofilm formation on silicon-based surfaces" Biomed. Mater. 2021, 16, 025013.

(53)    F. Rizzo, N. S. Kehr*, "Recent Advances in Injectable Hydrogels for Controlled and Local Drug Delivery" Adv. Healthcare Mater. 2021, 10, 2001341.

(52)    A. Motealleh, N. S. Kehr*, "Directed vertical cell migration via bifunctionalized nanomaterials in 3D step-gradient nanocomposite hydrogels" Biomater. Sci. 2020, 8, 5628.

(51)    A. Motealleh, N. S. Kehr*, "Injectable oxygen-generating nanocomposite hydrogels with prolonged oxygen delivery for enhanced cell proliferation under hypoxic and normoxic conditions" J. Mater. Chem. B 2020, 8, 4195.

(50)    A. Motealleh, P. Dorri, N. S. Kehr*, "Injectable polymer/nanomaterial composites for the fabrication of three-dimensional biomaterial scaffolds" Biomed. Mater. 2020, 15, 045021. 

(49)    A. Motealleh, M. Czieborowski, B. Philipp, S. Nowak, N. S. Kehr*, "Bifunctional Nanomaterials for Enhanced Cell Proliferation and for the Reduction of Bacterial Bioluminescence/Fitness" Adv. Mater. Interfaces 2020, 7, 2000086.

(48)    N. S. Kehr*, "Periodic Mesoporous Organosilica-Based Nanocomposite Hydrogels for Enhanced Cell Adhesion in 3D Hydrogel Network" J. Appl. Biol. Sci. 2019, 13, 133.

(47)    R. Tutar, A. Motealleh, A. Khademhosseini*, N. S. Kehr*, "Functional Nanomaterials on 2D Surfaces and in 3D Nanocomposite Hydrogels for Biomedical Applications" Adv. Funct. Mater. 2019, 29, 1904344.

(46)    A. Motealleh, B. Celebi-Saltik, N. Ermis, S. Nowak, A. Khademhosseini, N. S. Kehr*, "3D printing of step-gradient nanocomposite hydrogels for controlled cell migration" Biofabrication 2019, 11, 045015.

(45)    N. Ashammakhi, M. A. Darabi, N. S. Kehr, A. Erdem, S.-k. Hu, M. R. Dokmeci, A. S. Nasr, A. Khademhosseini*, "Advances in Controlled Oxygen Generating Biomaterials for Tissue Engineering and Regenerative Therapy" Biomacromolecules 2020, 21, 56.  

(44)    A. Motealleh, R. De Marco, N. S. Kehr*, "Stimuli-responsive local drug molecule delivery to adhered Cells in a 3D nanocomposite scaffold" J. Mater. Chem. B 2019, 7, 3716.

(43)    A. Motealleh, P. Dorri, A. H. Schäfer, N. S. Kehr*, "3D bioprinting of triphasic nanocomposite hydrogels and scaffolds for cell adhesion and migration" Biofabrication 2019, 11, 035022.

(42)    A. Motealleh, P. Dorri, N. S. Kehr*, "Self-assembled monolayers of chiral periodic mesoporous organosilica as stimuli responsive local drug delivery system" J. Mater. Chem. B 2019, 7, 2362.

(41)    A. Motealleh, H. Hermes, J. Jose, N. S. Kehr*, “Chirality-dependent cell adhesion and enrichment in Janus nanocomposite hydrogels" Nanomedicine 2018, 14, 247.

(40)    F. Schlüter, K. Riehemann, N. S. Kehr, S. Quici, C. G. Daniliuc, F. Rizzo*, "A highly fluorescent water soluble spirobifluorene dye with large Stokes shift: synthesis, characterization and bioapplications" Chem. Commun. 2018, 54, 642. 

(39)    A. Motealleh, N. S. Kehr*, "Janus Nanocomposite Hydrogels for Chirality-Dependent Cell Adhesion and Migration" ACS Appl. Mater. Interfaces 2017, 9, 33674. 

(38)    N. S. Kehr*, "Janus enantiomorphous nanomaterial assembly on substrate surfaces for chirality-dependent cell adhesion" Colloids Surf., B 2017, 159, 125.

(37)    N. S. Kehr*, J. Jose, "Chirality-dependent cellular uptake of chiral nanocarriers and intracellular delivery of different amounts of guest molecules" Appl. Surf. Sci. 2017, 425, 432.

(36)    N. S. Kehr*, A. Motealleh, "Nanocomposite (Janus) paper as 3D cell culture system” Colloids Surf., B 2017, 156, 236.

(35)    N. S. Kehr*, "Microcontact Printing of (Bio)Molecules on Self-Assembled Monolayers of Zeolites L and Surface Mediated Drug Delivery" Adv. Porous Mater. 2018, 6, 19-27.

(34)    A. Motealleh, N. S. Kehr*, "Nanocomposite Hydrogels and Their Applications in Tissue Engineering" Adv. Healthcare Mater 2017, 6, 1600938 (invited review article). 

(33)    N. S. Kehr*, A. Motealleh, A. H. Schäfer, "Cell Growth on ("Janus") Density Gradients of Bifunctional Zeolites L Crystals" ACS Appl. Mater. Interfaces 2016, 8, 35081.

(32)    B. Ergün, L. De Cola, H.-J. Galla, N. S. Kehr*, "Surface-Mediated Stimuli Responsive Delivery of Organic Molecules from Porous Carriers to Adhered Cells" Adv. Healthcare Mater. 2016, 5, 1588.

(31)    N. S. Kehr*, “Enantiomorphous Periodic Mesoporous Organosilica-Based Nanocomposite Hydrogel Scaffolds for Cell Adhesion and Cell Enrichment" Biomacromolecules 2016, 17, 1117.

(30)    N. S. Kehr*, K. Riehemann, "Controlled Cell Growth and Cell Migration in Periodic Mesoporous Organosilica/Alginate Nanocomposite Hydrogels" Adv. Healthcare Mater. 2016, 5, 193.

(29)    N. S. Kehr*, H.-J. Galla, K. Riehemann, H. Fuchs, "Self-assembled monolayers of enantiomerically functionalized periodic mesoporous organosilicas and the effect of surface chirality on cell adhesion behaviour" RSC Adv. 2015, 5, 5704. 

(28)    N. S. Kehr*, S. Atay, B. Ergün, "Self-assembled Monolayers and Nanocomposite Hydrogels of Functional Nanomaterials for Tissue Engineering Applications" Macromol. Biosci. 2015, 15, 445.

(27)    N. S. Kehr*, B. Ergün, H. Lülf, L. De Cola*, "Spatial Controlled Channel Entrances Functionalisation of Zeolites L" Adv. Mater. 2014, 26, 3248.

(26)    K. Benson, H.-J. Galla, N. S. Kehr*, "Cell Adhesion Behaviour in 3D Hydrogel Scaffolds Functionalized with D- or L-Aminoacids" Macromol. Biosci. 2014, 14, 793.

(25)    M. Mauro*, A. Aliprandi, D. Septiadi, N. S. Kehr, L. De Cola*, "When self-assembly meets biology: luminescent platinum complexes for imaging applications" Chem. Soc. Rev. 2014, 43, 4144.

(24)    C. Glotzbach, U. Kauscher, J. Voskuhl, N. S. Kehr, M. C. A. Stuart, R. Fröhlich, H. J. Galla, B. J. Ravoo, K. Nagura, S. Saito, S. Yamaguchi*, E.-U. Würthwein*, "Fluorescent Modular Boron Systems Based on NNN- and ONO-Tridentate Ligands: Self-Assembly and Cell Imaging" J. Org. Chem. 2013, 78, 4410.

(23)    N. S. Kehr*, E. A. Prasetyanto, K. Benson, B. Ergün, A. Galstyan, H.-J. Galla, "Periodic Mesoporous Organosilica-Based Nanocomposite Hydrogels as Three-Dimensional Scaffolds" Angew. Chem. Int. Ed. 2013, 52, 1156.

(22)    K. Benson, E. A. Prasetyanto, H.-J. Galla, N. S. Kehr*, "Self-assembled monolayers of bifunctional periodic mesoporous organosilicas for cell adhesion and cellular patterning" Soft Matter 2012, 5, 10845.

(21)    F. Versluis, J. Voskuhl, M. C. A Stuart, J. B. Bultema, N. S. Kehr, B. J. Ravoo*, A. Kros*, "Power struggles between oligopeptides and cyclodextrin vesicles" Soft Matter 2012, 8, 8770.

(20)    A. J. Ruiz-Sanchez, M. I. Montañez, C. Mayorga, M. J. Torres, N. S. Kehr, Y. Vida, D. Collado, F. Najera, L. De Cola, E. Perez-Inestrosa*, "Dendrimer-Modified Solid Supports: Nanostructured Materials with Potential Drug Allergy Diagnostic Applications" Curr. Med. Chem. 2012, 19, 4952.

(19)    O. Z. Fisher, B. L. Larson, P. S. Hill, D. Graupner, M.-T. Nguyen-Kim, N. S. Kehr, L. De Cola, R. Langer*, D. G. Anderson*, "Melanin-like Hydrogels Derived From Gallic Macromers" Adv. Mater. 2012, 24, 3032.

(18)    J. El-Gindi, K. Benson, L. De Cola, H.-J. Galla, N. S. Kehr*, "Cell Adhesion Behaviour on Enantiomerically Functionalized Zeolite L Monolayers" Angew. Chem. Int. Ed. 2012, 51, 3716.

(17)    N. S. Kehr*, J. El-Gindi, H.-J. Galla, L. De Cola*, "Click chemistry on self-assembled monolayer of zeolite L Crystals by microcontact printing - Applications in nanobiotechnology" Microporous Mesoporous Mater. 2011, 144, 9.

(16)    N. S. Kehr*, K. Riehemann, J. El-Gindi, A. Schäfer, H. Fuchs, H.-J. Galla, L. De Cola*, "Cell Adhesion and Cellular Patterning on a Self-Assembled Monolayer of Zeolite L Crystals" Adv. Funct. Mater. 2010, 20, 2248.

(15)    N. S. Kehr*, A. Schäfer, B. J. Ravoo, L. De Cola*, "Asymmetric printing of molecules and zeolites on self-assembled monolayers" Nanoscale 2010, 2, 601.

(14)    F. Verluis, I. Tomatsu, S. Kehr, C. Fregonese, A. W. J. W. Tepper, M. C. A. Stuart, B. J. Ravoo*, R. Koning, A. Kros*, "Shape and Release Control of a Peptide Decorated Vesicle through pH Sensitive Orthogonal Supramolecular Interactions" J. Am. Chem. Soc. 2009, 131, 13186.

(13)    K. Nienkemper, G. Kehr, S. Kehr, R. Fröhlich, G. Erker*, "(N-Arylaminomethyl)pyridine-N-oxides: Synthesis and characterization of potential ligand systems and the formation of their N,O-chelate aluminum complexes" J. Organomet. Chem. 2008, 693, 3063.

(12)    K. Spannoff, G. Kehr, S. Kehr, R. Fröhlich, G. Erker*, "Functionalized phosphorus analogues of the β-diketiminato ligand systems: bis(N-arylphosphinimino)acetonitrile-derived complexes of rhodium and iridium" Dalton Trans. 2008, 3339.

(11)    K. Nienkemper, G. Kehr, S. Kehr, R. Fröhlich, G. Erker*, "(Amidomethyl)pyridine zirconium and hafnium complexes: Synthesis and structural characterization" J. Organomet. Chem. 2008, 693, 1572.

(10)    H. Lange, K. Bergander, R. Fröhlich, S. Kehr, S. Nakamura, N. Shibata, T. Toru, D. Hoppe*, "Highly Enantioselective Reactions of Configurationally Labile Epimeric Diamine Complexes of Lithiated S-Benzyl Thiocarbamates" Chem. Asian J. 2008, 3, 88. 

(9)      P. Spies, G. Kehr, S. Kehr, R. Fröhlich, G. Erker*, "Formation and Structural and Dynamic Features of Atropisomeric η2-Iminoacyl Zirconium Complexes" Organometallics 2007, 26, 5612.

(8)      S. Kehr, H. Luftmann*, “Polymer Characterization by Electrospray-Mass-Spectrometry - shifting the upper mass limit" e-Polymers, 2007, 7, 10.

(7)      S. Ünaldi, R. Fröhlich, D. Hoppe*, "Synthesis of Enantioenriched and Diastereomerically Pure cis-Fused Bicyclic a-Oxy-Substituted γ-Lactones via Epoxidation of Optically Active Homoaldol Products" Synthesis 2005, 15, 2507.

(6)      R. Kalkoven, S. Brandau, S. Ünaldi, R. Fröhlich, D. Hoppe*, "Enantio- and Diastereoselective Synthesis of Highly Substituted Acylcyclopropanes from Homoaldol Products by Stereospecific Homoallylic Cyclization" Eur. J. Org. Chem. 2005, 21, 4571.

(5)      S. Ünaldi,  M. Özlügedik, R. Fröhlich, D. Hoppe*, "Diastereoselective Synthesis of Enantioenriched, Annulated Tetrahydrofurans by Simultaneous Formation of the O-1-C-5 and the C-5-C-4 Bonds" Adv. Synth. Catal. 2005, 347, 1621.

(4)      M. Özlügedik, S. Ünaldi,  B. Wibbeling, D. Hoppe*,  "Synthesis of Enantioenriched trans-Fused Bicyclo[4.4.0]dec-3-enes and Bicyclo[4.3.0]non-3-enes Bearing a 1,5-Lactone Bridge" Adv. Synth. Catal. 2005, 347, 1627.

(3)      S. Ünaldi, R. Aumann*, R. Fröhlich, "C-Ca Insertion: Insertion of an Alkyne into the C-C Single Bond between the Carbene-Carbon Atom and the a-Carbon Atom of a Fischer Carbene Complex by an Unprecedented Metalla(di-π-methane) Skeletal Rearrangement" Chem. Eur. J. 2003, 9, 3300.

(2)      R. Altundas, A. Dastan, N. S. Ünaldi, K. Güven, O. Uzun, M. Balci*, "The Di-π-methane Photo-rearrangement of 2,3-Disubstituted Benzobarrelenes and Benzonorbornadiene - Substituent Effects in Regioselectivity" Eur. J. Org. Chem. 2002, 3, 526.

(1)      S. Ünaldi, M. Balci*, "Substituent effect on regioselectivity in the di-π-methane rearrangement: synthesis of disubstituted benzobarrelene derivatives and their photochemistry" Tetrahedron Lett. 2001, 42, 8365.

(C) Patent Applications

(2)      N. S. Kehr, "Nanomaterials, Injectable Hydrogels and Three Dimensional Scaffolds" (Izmir Yusek Teknoloji Enstitusu Rektorlugu), WO 2025/122110 A1 (2025).

(1)      L. De Cola, M. Mauro, N. S. Kehr, C. A. Strassert, "Platinum Complexes and Their Use" (University Muenster), WO 2012/117082 A1 (2012); EP 2 681 228 B1 (2016); US 8,962,838 B2 (2015); US 2014/0088307 A1 (2014); DE 10 2011 001 007 A1 (2012).