Search Results - "Merkl, Jan‐Philip"

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  1. 1

    Chemistry of Shape-Controlled Iron Oxide Nanocrystal Formation by Feld, Artur, Weimer, Agnes, Kornowski, Andreas, Winckelmans, Naomi, Merkl, Jan-Philip, Kloust, Hauke, Zierold, Robert, Schmidtke, Christian, Schotten, Theo, Riedner, Maria, Bals, Sara, Weller, Horst

    Published in ACS nano (22-01-2019)
    “…Herein, we demonstrate that meticulous and in-depth analysis of the reaction mechanisms of nanoparticle formation is rewarded by full control of the size,…”
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  2. 2

    Evolution of the microstructure of unconsolidated geopolymers by thermoporometry by Nguyen, Quang Hung, Hanafi, Mohamed, Merkl, JanPhilip, d'Espinose de Lacaillerie, Jean‐Baptiste

    Published in Journal of the American Ceramic Society (01-03-2021)
    “…This paper studies the evolution of the pore size distribution of a fresh unconsolidated geopolymer paste between one day and a week, using thermoporometry…”
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  3. 3

    Resonant Energy Transfer can Trigger Multiexciton Recombination in Dense Quantum Dot Ensembles by Rafipoor, Mona, Koll, Rieke, Merkl, JanPhilip, Fruhner, Lisa Sarah, Weller, Horst, Lange, Holger

    “…Core/shell quantum dots/quantum rods are nanocrystals with typical application scenarios as ensembles. Resonance energy transfer is a possible process between…”
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  4. 4

    Bio-orthogonal Coupling as a Means of Quantifying the Ligand Density on Hydrophilic Quantum Dots by Zhan, Naiqian, Palui, Goutam, Merkl, Jan-Philip, Mattoussi, Hedi

    Published in Journal of the American Chemical Society (09-03-2016)
    “…We describe the synthesis of two metal-coordinating ligands that present one or two lipoic acid (LA) anchors, a hydrophilic polyethylene glycol (PEG) segment…”
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    Robust Encapsulation of Biocompatible Gold Nanosphere Assemblies for Bioimaging via Surface Enhanced Raman Scattering by Schumacher, Marius, Jimenez de Aberasturi, Dorleta, Merkl, JanPhilip, Scarabelli, Leonardo, Lenzi, Elisa, Henriksen‐Lacey, Malou, Liz‐Marzán, Luis M., Weller, Horst

    Published in Advanced optical materials (01-07-2022)
    “…Controlled assembly of gold nanoparticles (AuNPs) into clusters is a promising avenue for the development of sensitive bioimaging and diagnostic tools based on…”
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  7. 7

    Metal–Semiconductor Nanoparticle Hybrids Formed by Self-Organization: A Platform to Address Exciton–Plasmon Coupling by Strelow, Christian, Theuerholz, T. Sverre, Schmidtke, Christian, Richter, Marten, Merkl, Jan-Philip, Kloust, Hauke, Ye, Ziliang, Weller, Horst, Heinz, Tony F, Knorr, Andreas, Lange, Holger

    Published in Nano letters (10-08-2016)
    “…Hybrid nanosystems composed of excitonic and plasmonic constituents can have different properties than the sum of of the two constituents, due to the…”
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  8. 8

    A Universal Approach to Ultrasmall Magneto-Fluorescent Nanohybrids by Feld, Artur, Merkl, Jan-Philip, Kloust, Hauke, Flessau, Sandra, Schmidtke, Christian, Wolter, Christopher, Ostermann, Johannes, Kampferbeck, Michael, Eggers, Robin, Mews, Alf, Schotten, Theo, Weller, Horst

    Published in Angewandte Chemie International Edition (12-10-2015)
    “…Seeded emulsion polymerization is a powerful universal method to produce ultrasmall multifunctional magnetic nanohybrids. In a two‐step procedure, iron oxide…”
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  9. 9

    A Systematic Study on Polymer-Modified Alkali-Activated Slag–Part II: From Hydration to Mechanical Properties by Lu, Zichen, Merkl, Jan-Philip, Pulkin, Maxim, Firdous, Rafia, Wache, Steffen, Stephan, Dietmar

    Published in Materials (03-08-2020)
    “…The effect of styrene-acrylate (SA) polymer latex on alkali-activated slag (AAS) was systematically studied in the aspects of hydration, hydration products,…”
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  10. 10

    Controlling the Physical and Biological Properties of Highly Fluorescent Aqueous Quantum Dots Using Block Copolymers of Different Size and Shape by Ostermann, Johannes, Merkl, Jan-Philip, Flessau, Sandra, Wolter, Christopher, Kornowksi, Andreas, Schmidtke, Christian, Pietsch, Andrea, Kloust, Hauke, Feld, Artur, Weller, Horst

    Published in ACS nano (22-10-2013)
    “…The phase transfer of fluorescent CdSe based quantum dots (QDs) while retaining their properties and offering some advantages concerning the stability and…”
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    Poly(ethylene oxide) and Polystyrene Encapsulated Quantum Dots: Highly Fluorescent, Functionalizable, and Ultrastable in Aqueous Media by Kloust, Hauke, Schmidtke, Christian, Merkl, Jan-Philip, Feld, Artur, Schotten, Theo, Fittschen, Ursula E. A, Gehring, Manuela, Ostermann, Johannes, Pöselt, Elmar, Weller, Horst

    Published in Journal of physical chemistry. C (07-11-2013)
    “…The polymer encapsulation of quantum dots via seeded emulsion polymerization is a powerful method for the preparation of extraordinarily stable fluorescent…”
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  13. 13

    Small protein sequences can induce cellular uptake of complex nanohybrids by Merkl, Jan-Philip, Safi, Malak, Schmidtke, Christian, Aldeek, Fadi, Ostermann, Johannes, Domitrovic, Tatiana, Gärtner, Sebastian, Johnson, John E, Weller, Horst, Mattoussi, Hedi

    “…In this letter, we report on the ability of functional fusion proteins presenting a lytic gamma peptide, to promote interactions with HeLa cells and delivery…”
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  14. 14

    Tailoring the ligand shell for the control of cellular uptake and optical properties of nanocrystals by Ostermann, Johannes, Schmidtke, Christian, Wolter, Christopher, Merkl, Jan-Philip, Kloust, Hauke, Weller, Horst

    “…In this short review, the main challenges in the use of hydrophobic nanoparticles in biomedical application are addressed. It is shown how to overcome the…”
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  15. 15

    A systematic study on polymer modified alkali-activated slag – Part I: Stability analysis of colloidal polymer dispersion in sodium water glass by Lu, Zichen, Merkl, Jan-Philip, Schmidtke, Christian, Pulkin, Maxim, Deschner, Florian, Wache, Steffen, Jin, Yu, Stephan, Dietmar

    Published in Construction & building materials (10-10-2019)
    “…•Stability of classical cement-stable polymers in sodium silicate was investigated.•Styrene acrylate (SA) polymer is more stable than ethylene-vinyl acetate…”
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  16. 16

    Phonon-Assisted Auger Process Enables Ultrafast Charge Transfer in CdSe Quantum Dot/Organic Molecule by Wang, Zhi, Rafipoor, Mona, Risueño, Pablo Garcia, Merkl, Jan-Philip, Han, Peng, Lange, Holger, Bester, Gabriel

    Published in Journal of physical chemistry. C (18-07-2019)
    “…Charge transfer between photoexcited quantum dots and molecular acceptors is one of the key limiting processes in most applications of colloidal…”
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  17. 17

    Polymer-Assisted Self-Assembly of Superparamagnetic Iron Oxide Nanoparticles into Well-Defined Clusters: Controlling the Collective Magnetic Properties by Schmidtke, Christian, Eggers, Robin, Zierold, Robert, Feld, Artur, Kloust, Hauke, Wolter, Christopher, Ostermann, Johannes, Merkl, Jan-Philip, Schotten, Theo, Nielsch, Kornelius, Weller, Horst

    Published in Langmuir (23-09-2014)
    “…The combination of superstructure-forming amphiphilic block copolymers and superparamagnetic iron oxide nanoparticles produces new nano/microcomposites with…”
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  18. 18

    CdSe/CdS-quantum rods: fluorescent probes for in vivo two-photon laser scanning microscopy by Dimitrijevic, Jelena, Krapf, Lisa, Wolter, Christopher, Schmidtke, Christian, Merkl, Jan-Philip, Jochum, Tobias, Kornowski, Andreas, Schüth, Anna, Gebert, Andreas, Hüttmann, Gereon, Vossmeyer, Tobias, Weller, Horst

    Published in Nanoscale (07-09-2014)
    “…CdSe/CdS-Quantum-dots-quantum-rods (QDQRs) with an aspect ratio of ∼ 6 are prepared via the seeded growth method, encapsulated within a shell of crosslinked…”
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  19. 19

    Functional-Group-Dependent Formation of Bioactive Fluorescent-Plasmonic Nanohybrids by Merkl, Jan-Philip, Schmidtke, Christian, Aldeek, Fadi, Safi, Malak, Feld, Artur, Kloust, Hauke, Mattoussi, Hedi, Lange, Holger, Weller, Horst

    Published in Journal of physical chemistry. C (17-11-2016)
    “…We detail the assembly, driven by metal-affinity coordination, of fluorescent-plasmonic hybrid constructs that are also biologically active. The hybrid…”
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  20. 20

    Radical Initiated Reactions on Biocompatible CdSe-Based Quantum Dots: Ligand Cross-Linking, Crystal Annealing, and Fluorescence Enhancement by Schmidtke, Christian, Lange, Holger, Tran, Huong, Ostermann, Johannes, Kloust, Hauke, Bastús, Neus G, Merkl, Jan-Philip, Thomsen, Christian, Weller, Horst

    Published in Journal of physical chemistry. C (25-04-2013)
    “…Cross-linking of biocompatible ligand shells significantly improves the stability of nanocrystals in the biological environment. We report a detailed…”
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