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  • 1.
    Hao, Nanjing
    et al.
    Department of Chemistry, University of Massachusetts, USA.
    Neranon, Kitjanit
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Ramström, Olof
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Yan, Mingdi
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry. Department of Chemistry, University of Massachusetts, USA.
    Glyconanomaterials for biosensing applications2016In: Biosensors & bioelectronics, ISSN 0956-5663, E-ISSN 1873-4235, Vol. 76, no 15, p. 113-130Article in journal (Refereed)
    Abstract [en]

    Nanomaterials constitute a class of structures that have unique physiochemical properties and are excellent scaffolds for presenting carbohydrates, important biomolecules that mediate a wide variety of important biological events. The fabrication of carbohydrate-presenting nanomaterials, glyconanomaterials, is of high interest and utility, combining the features of nanoscale objects with biomolecular recognition. The structures can also produce strong multivalent effects, where the nanomaterial scaffold greatly enhances the relatively weak affinities of single carbohydrate ligands to the corresponding receptors, and effectively amplifies the carbohydrate-mediated interactions. Glyconanomaterials are thus an appealing platform for biosensing applications. In this review, we discuss the chemistry for conjugation of carbohydrates to nanomaterials, summarize strategies, and tabulate examples of applying glyconanomaterials in in vitro and in vivo sensing applications of proteins, microbes, and cells. The limitations and future perspectives of these emerging glyconanomaterials sensing systems are furthermore discussed.

  • 2.
    Neranon, Kitjanit
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Synthesis and Applications of Dynamic Multivalent Nanostructures2015Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    This thesis focuses on the design, synthesis and development of dynamic multivalent nanostructures such as supramolecular dendrimers, liposomes and gold-functionalized nanostructures. These structures can be used for drug delivery and molecular sensing applications. This thesis is divided into three parts:

    In part one, a general introduction to self-assembly, dynamic systems, metalligand exchange, nanostructured dendritic scaffolds, liposomes and gold nanostructures is given.

    In part two, a microwave approach is presented as an efficient method for the regioselective deuteration of bipyridine scaffolds. Dynamic systems based on transition metal-bipyridine coordination complexes were investigated. The compositional self-adaptation and kinetics of these dynamic systems were successfully assessed by ESI-MS. Based on this amphiphilic dendrimers/metallodendrimers were also designed and synthesized via  a convergent strategy. Their ability to self-assemble into supramolecular assemblies and their controlled disassembly was effectively demonstrated.

    In part three, two types of drug delivery systems based on dynamic multivalent nanostructures of glycodendrimers/metalloglycodendrimers and drugpresenting liposomes were developed. The dynamic self-assembly of these architectures into supramolecular nanostructures with site-specific functionality through interacting carbohydrate or cholesterol moieties was assessed. The host-guest interaction/encapsulation and controlled release with external stimuli were studied using a fluorescent probe, as well as selected drug molecules. The antibacterial property of the drug delivery systems was also evaluated, demonstrating an enhanced bactericidal activity. A new, rapid and simple approach for the functionalization of plasmonic gold nanostructured surfaces was also developed. The optical performance and light-specific sensitivity of the fluorescent probe on the resulting nanostructures were also presented.

  • 3.
    Neranon, Kitjanit
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Hao, Nanjing
    University of Massachusetts, United States..
    Chen, Xuan
    University of Massachusetts, United States..
    Manuguri, Sesha
    University of Auckland, Auckland.
    Yan, Mingdi
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Ramström, Olof
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Ciprofloxacin-presenting Liposomes for Enhanced Antibacterial ActivityManuscript (preprint) (Other academic)
  • 4.
    Neranon, Kitjanit
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Chemistry.
    Ramström, Olof
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Assembly of synthetic capsids2014In: Abstract of Papers of the American Chemical Society, ISSN 0065-7727, Vol. 247Article in journal (Other academic)
  • 5.
    Neranon, Kitjanit
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Ramström, Olof
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Constitutional Dynamics of Bipyridine-Metal Complex SystemsManuscript (preprint) (Other academic)
  • 6.
    Neranon, Kitjanit
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Ramström, Olof
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Design, Synthesis and Self-Assembly of Functional Amphiphilic Dendrimers and MetallodendrimersManuscript (preprint) (Other academic)
  • 7.
    Neranon, Kitjanit
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Chemistry.
    Ramström, Olof
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Kinetics and Thermodynamics of Constitutional Dynamic Coordination Systems Based on Fe-II, Co-II, Ni-II, Cu-II, and Zn-II2016In: European Journal of Inorganic Chemistry, ISSN 1434-1948, E-ISSN 1099-1948, no 24, p. 3950-3956Article in journal (Refereed)
    Abstract [en]

    The self-adaptation of constitutional dynamic systems based on selective coordination between 5,5-dimethyl-2,2-bipyridine and deuterium-labeled 4,4-dimethyl-2,2-bipyridine to Fe-II, Co-II, Ni-II, Cu-II, or Zn-II has been evaluated by ESI-MS in methanol. The equilibration rates of the systems proved dependent on the metal species, following the order Zn-II > Cu-II > Co-II > Ni-II > Fe-II, where Zn-II resulted in rapid rearrangement of the original homoleptic complexes. The heteroleptic complexes were favored in the systems with Co-II, Cu-II and Zn-II, whereas the homoleptic complexes were more pronounced with Fe-II and Ni-II.

  • 8.
    Neranon, Kitjanit
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Ramström, Olof
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Rapid, regioselective deuteration of dimethyl-2,2'-bipyridines via microwave-assistance2015In: RSC Advances, ISSN 2046-2069, E-ISSN 2046-2069, Vol. 5, p. 2684-2688Article in journal (Refereed)
    Abstract [en]

    Isotopically pure [D6]-dimethyl-2,2′-bipyridine derivatives were selectively and rapidly formed using microwave-assisted regioselective deuteration of the methyl moieties of the parent bipyridine in a deuterium oxide solution. For instance, [D6]-4,4′-dimethyl-2,2′-bipyridine was formed in quantitative yield within 15 minutes, in a simple and convenient process.

  • 9.
    Neranon, Kitjanit
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Ramström, OlofKTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Self-Assembly of Supramolecular Capsules Based on FeII-Dendrimer Complexes2014Conference proceedings (editor) (Other academic)
  • 10.
    Neranon, Kitjanit
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Ramström, Olof
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Stimuli-Responsive, Multivalent Glycodendrimer/Metalloglycodendrimer Assemblies for Targeted DeliveryManuscript (preprint) (Other academic)
  • 11.
    Neranon, Kitjanit
    et al.
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Åslund, Mattias
    Draupner Innovations, Årsta, Sweden.
    Karalius, Antanas
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Yan, Min
    Xu, Hao
    KTH, School of Engineering Sciences (SCI), Applied Physics. Department of Applied Physics, Science for Life Laboratory.
    Fu, Ying
    KTH, School of Engineering Sciences (SCI), Applied Physics. KTH, Centres, Science for Life Laboratory, SciLifeLab.
    Petermann, Ingemar
    Nanoelectronics, Acreo Swedish ICT AB, Kista, Sweden.
    Björk, Per
    Nanoelectronics, Acreo Swedish ICT AB, Kista, Sweden.
    Ramström, Olof
    KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
    Laser-induced, Surface Plasmon-enhanced Two-photon Excitation for Efficient Chemical Functionalization of Nanostructured Gold SurfacesManuscript (preprint) (Other academic)
1 - 11 of 11
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