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Browsing NTNU Open by Author "Singh, Gurvinder"

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    • A microfluidic electrochemical cell with integrated PdH reference electrode for high current experiments 

      Fanavoll, Espen Vinge; Harrington, David A.; Sunde, Svein; Singh, Gurvinder; Seland, Frode (Journal article; Peer reviewed, 2016)
      An on-chip thin-film palladium hydride reference electrode is described for use with microfluidic electrochemical cells. A Pd electrode fabricated by photolithographic methods is charged with hydrogen in-situ with a simple ...
    • Amine-functionalized magnetic nanocomposite particles for efficient immobilization of lipase: effects of functional molecule size on properties of the immobilized lipase 

      Esmaeilnejad-Ahranjani, Parvaneh; Kazemeini, Mohammad; Singh, Gurvinder; Arpanaei, Ayyoob (Journal article; Peer reviewed, 2015)
      A cost-effective design of reusable enzyme-functionalized particles with better catalytic activity is of great scientific interest due to their applications in a wide range of catalytic reactions in several industrial ...
    • Co(OH)2@MnO2 nanosheet arrays as hybrid binder-free electrodes for high-performance lithium-ion batteries and supercapacitors 

      Kundu, Manab; Singh, Gurvinder; Svensson, Ann Mari (Journal article; Peer reviewed, 2019)
      Co(OH)2@MnO2 nanosheet arrays were directly grown on nickel foam via two-step electrodeposition method with subsequent heat treatment at 170 °C. The hybrid electrode, where the electrodeposited Co(OH)2 and MnO2 nanosheets ...
    • Colloid-probe AFM studies of the surface functionality and adsorbed proteins on binary colloidal crystal layers 

      Singh, Gurvinder; Bremmell, Kristen; Griesser, Hans J; Kingshott, Peter (Journal article; Peer reviewed, 2017)
      Colloid-probe-AFM has been widely used to measure the forces of interaction between two surfaces such as particles of different size and functionality or a flat surface and a particle in aqueous environments. However, the ...
    • Controlling the self-assembly and optical properties of gold nanoclusters and gold nanoparticles biomineralized with bovine serum albumin 

      McDonagh, Birgitte Hjelmeland; Singh, Gurvinder; Bandyopadhyay, Sulalit; Lystvet, Sina Maria; Ryan, Joseph Anthony; Volden, Sondre; Kim, Eugene; Sandvig, Ioanna; Sandvig, Axel; Glomm, Wilhelm (Journal article; Peer reviewed, 2015)
      While the size-dependent optical properties of BSA-stabilized gold nanoclusters are well known, the time-dependent growth mechanism remains to be described. Herein, we systematically compare two synthesis methods with and ...
    • Detecting Intermediary Hosts by TCP Latency Measurements 

      Singh, Gurvinder; Eian, Martin; Willassen, Svein Yngvar; Mjølsnes, Stig Frode (Journal article; Peer reviewed, 2011)
    • Detection of intermediary hosts through TCP latency propagation 

      Singh, Gurvinder (Master thesis, 2009)
      Today people from all lifestyles, government officials, researchers and executives use internet. The people start to depend on internet for their daily life. However, the increased dependence comes with a great risk. The ...
    • Focused ion beam milling of self-assembled magnetic superstructures: an approach to fabricate nanoporous materials with tunable porosity 

      Håkonsen, Verner; Singh, Gurvinder; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2018)
      Fabricating nanoporous materials with tunable pore sizes while keeping the freedom of materials choice, is an active area of research because of its practical relevance in a wide range of applications. Here, we demonstrate ...
    • Growing gold nanostructures for shape-selective cellular uptake 

      Bandyopadhyay, Sulalit; McDonagh, Birgitte Hjelmeland; Singh, Gurvinder; Raghunathan, Karthik; Sandvig, Axel; Sandvig, Ioanna; Andreassen, Jens-Petter; Glomm, Wilhelm (Journal article; Peer reviewed, 2018)
      With development in the synthesis of shape- and size-dependent gold (Au) nanostructures (NSs) and their applications in nanomedicine, one of the biggest challenges is to understand the interaction of these shapes with ...
    • L-DOPA-Coated Manganese Oxide Nanoparticles as Dual MRI Contrast Agents and Drug-Delivery Vehicles 

      McDonagh, Birgitte Hjelmeland; Singh, Gurvinder; Hak, Sjoerd; Bandyopadhyay, Sulalit; Augestad, Ingrid Lovise; Peddis, Davide; Sandvig, Ioanna; Sandvig, Axel; Glomm, Wilhelm (Journal article; Peer reviewed, 2016)
      Manganese oxide nanoparticles (MONPs) are capable of time-dependent magnetic resonance imaging contrast switching as well as releasing a surface-bound drug. MONPs give T2/T2* contrast, but dissolve and release T1-active ...
    • Magnetically Enhanced Mechanical Stability and Super-Size Effects in Self-Assembled Superstructures of Nanocubes 

      Håkonsen, Verner; Singh, Gurvinder; Normile, Peter S; De Toro, Jose Angel; Wahlström, Erik; He, Jianying; Zhang, Zhiliang (Journal article; Peer reviewed, 2019)
      Artificial materials from the self‐assembly of magnetic nanoparticles exhibit extraordinary collective properties; however, to date, the contribution of nanoscale magnetism to the mechanical properties of this class of ...
    • Nanoparticle-stabilized microbubbles for multimodal imaging and drug delivery 

      Mørch, Ýrr Asbjørg; Hansen, Rune; Berg, Sigrid; Åslund, Andreas; Glomm, Wilhelm; Eggen, Siv; Schmid, Ruth; Johnsen, Heidi; Kubowicz, Stephan; Snipstad, Sofie; Sulheim, Einar; Hak, Sjoerd; Singh, Gurvinder; McDonagh, Birgitte Hjelmeland; Blom, Hans; Davies, Ruth Catharina de Lange; Stenstad, Per Martin (Journal article, 2015)
      Microbubbles (MBs) are routinely used as contrast agents for ultrasound imaging. The use of ultrasound in combination with MBs has also attracted attention as a method to enhance drug delivery. We have developed a technology ...
    • Reconfigurable Mechanical Anisotropy in Self-Assembled Magnetic Superstructures 

      Håkonsen, Verner; Singh, Gurvinder; De Toro, Jose Angel; Normile, Peter S; Wahlström, Erik; He, Jianying; Zhang, Zhiliang (Peer reviewed; Journal article, 2021)
      Enhancement of mechanical properties in self-assembled superstructures of magnetic nanoparticles is a new emerging aspect of their remarkable collective behavior. However, how magnetic interactions modulate mechanical ...
    • Self-Assembly of Magnetic Nanoparticles into Superstructures for Magnonics 

      Håkonsen, Verner (Master thesis, 2015)
      Magnonics is a young and evolving field with the potential to replace conventional electronics. This field relies on the use of spin waves, or magnons, rather than electrons as the information carrier in logic devices, ...
    • Smart and Multifunctional Core-Shell Nanoparticles (NPs) for Drug Delivery 

      Bandyopadhyay, Sulalit (Doctoral theses at NTNU;2016:294, Doctoral thesis, 2016)
      Nanomaterials designed for drug delivery applications require important properties that include monodispersity, biocompatibility, long circulation time which are dependent on size, shape, composition, surface charge among ...
    • Synthesis and in vitro cellular interactions of superparamagnetic iron nanoparticles with a crystalline gold shell 

      Bandyopadhyay, Sulalit; Singh, Gurvinder; Sandvig, Ioanna; Sandvig, Axel; Mathieu, Roland; Kumar, P Anil; Glomm, Wilhelm (Journal article; Peer reviewed, 2014)
      Fe@Au core–shell nanoparticles (NPs) exhibit multiple functionalities enabling their effective use in applications such as medical imaging and drug delivery. In this work, a novel synthetic method was developed and optimized ...
    • Synthesis of Composite Nanoparticles with Magnetic Properties 

      Solemslie, Henrik Winther (Master thesis, 2013)
      There is a lot of research being done in inorganic nanoparticles for use in biomedicine as magnetic resonance imaging contrast-agents, where especially gadolinium is very interesting because of its 7 unpaired electrons. ...
    • Systematic Study on TiO2 Crystallization via Hydrothermal Synthesis in the Presence of Different Ferrite Nanoparticles as Nucleation Seeds 

      Alberti, Stefano; Villa, Silvia; Singh, Gurvinder; Seland, Frode; Martinelli, Alberto; Ferretti, Maurizio; Canepa, Fabio; Caratto, Valentina (Journal article, 2019)
      In the present work, the crystallization of anatase TiO2 nanoparticles (NPs), using different fer2 rite nanoparticles with different chemical composition, dimensions and shape as nucleation seeds, was investigated. In ...
    • The effect of mesoporous silica nanoparticle surface chemistry and concentration on the α-synuclein fibrillation 

      Taebnia, Nayere; Morshedi, Dina; Doostkam, Mohsen; Yaghmaei, Soheila; Aliakbari, Farhang; Singh, Gurvinder; Arpanaei, Ayyoob (Journal article; Peer reviewed, 2015)
      The aggregation of an amyloid protein, α-synuclein (α-Syn), has been suggested as a potential cause of Parkinson's and several other neurodegenerative diseases. To explore the possibility of using nanoparticle-based ...
    • The potential of zero total charge and electrocatalytic properties of Ru@Pt core-shell nanoparticles 

      Svendby, Jørgen; Seland, Frode; Singh, Gurvinder; de la Fuente, Jose; Sunde, Svein (Journal article; Peer reviewed, 2019)
      Electrocatalysis of the oxygen reduction reaction (ORR), oxidation of carbon monoxide, and the methanol oxidation reaction (MOR) are all critical to the performance of direct-methanol fuel cells (DMFC). In this work we ...

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