Browsing NTNU Open by Author "Stokke, Bjørn Torger"
Now showing items 21-40 of 64
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Evanescent light field trapping and transport of micro- and nanocrystals of biological macromolecules on a waveguide for serial crystallography.
Fuglerud, Silje Skeide (Master thesis, 2016)A microfluidic evanescent field optical tweezer system was tested and developed for sample delivery of micro- and nanocrystals in serial crystallography. The fluid line was enforced, and the setup changed from vacuum ... -
Evidence for egg-box-compatible interactions in calcium-alginate gels from fiber X-ray diffraction
Sikorski, Pawel; Mo, Frode; Skjåk-Bræk, Gudmund; Stokke, Bjørn Torger (Peer reviewed; Journal article, 2007)The structures of guluronic-acid-rich alginate in the acid and calcium forms were investigated using fiber X-ray diffraction. Data recorded for alginate fibers in the acid form show a repeat along the chain axis of c = ... -
Exploring the Intersection of Brain–Computer Interfaces and Quantum Sensing: A Review of Research Progress and Future Trends
Liao, Kun; Yang, Zhaochu; Dong, Tao; Zhao, Libo; Pires, Nuno Miguel Matos; Dorao, Carlos Alberto; Stokke, Bjørn Torger; Roseng, Lars Eric; Liu, Wen; Jiang, Zhuangde (Peer reviewed; Journal article, 2023)Brain–computer interfaces (BCIs) can revolutionize how humans interact with technology, but several scientific and technological challenges must be addressed to realize their full potential. Recent developments in quantum-based ... -
Fabrication of monodisperse alginate microgel beads by microfluidic picoinjection: a chelate free approach
Ahmed, Husnain; Stokke, Bjørn Torger (Peer reviewed; Journal article, 2021)Micron-sized alginate hydrogel beads are extensively employed as an encapsulation medium for biochemical and biomedical applications. Here we report on the microfluidic assisted fabrication of calcium alginate (Ca-alginate) ... -
High resolution interferometry as a tool for characterization of swelling of weakly charged hydrogels subjected to amphiphile and cyclodextrin exposure
Gao, Ming; Gawel, Kamila; Stokke, Bjørn Torger (Journal article; Peer reviewed, 2013)A high resolution interferometric technique was used to determine swelling behavior of weakly charged polyacrylamide hydrogels in the presence of oppositely charged surfactants and subsequent exposure to cyclodextrins. ... -
Impact of Silanization Parameters and Antibody Immobilization Strategy on Binding Capacity of Photonic Ring Resonators
Arnfinnsdottir, Nina Bjørk; Chapman, Cole A; Bailey, Ryan C; Aksnes, Astrid; Stokke, Bjørn Torger (Peer reviewed; Journal article, 2020)Ring resonator-based biosensors have found widespread application as the transducing principle in “lab-on-a-chip” platforms due to their sensitivity, small size and support for multiplexed sensing. Their sensitivity is, ... -
Influence of oligoguluronates on alginate gelation and on alginate gel properties
Padoł, Anna Maria (Doctoral thesis at NTNU;2016:59, Doctoral thesis, 2016)Alginates are very abundant material in nature, mostly known for its gelling ability. Alginate is a family of linear copolymers of β-D-mannuronic acid and α-L-guluronic acid. Due to its biocompatibility, nontoxicity and ... -
Interactions between the breast cancer-associated MUC1 mucins and C-type lectin characterized by optical tweezers
Hadjialirezaei, Soosan; Picco, Gianfranco; Beatson, Richard; Burchell, Joy; Stokke, Bjørn Torger; Sletmoen, Marit (Journal article; Peer reviewed, 2017)Carbohydrate–protein interactions govern many crucial processes in biological systems including cell recognition events. We have used the sensitive force probe optical tweezers to quantify the interactions occurring between ... -
Interrelation between swelling, mechanical constraints and reaction–diffusion processes in molecular responsive hydrogels
Parelius Jonasova, Eleonora; Stokke, Bjørn Torger; Prot, Victorien Emile (Journal article; Peer reviewed, 2022) -
Local structure of Ca2+ alginate hydrogels gelled via competitive ligand exchange and measured by small angle X-ray scattering
Yamamoto, K; Yuguchi, Yoshiaki; Stokke, Bjørn Torger; Sikorski, Pawel; Bassett, David (Journal article; Peer reviewed, 2019)Alginates, being linear anionic co-polymers of 1,4-linked residues β-d-ManA (M) and α-l-GulA (G), are widely applied as hydrogel biomaterials due to their favourable in vivo biocompatibility and convenient ionic crosslinking. ... -
Macromolecular interactions at the single-molecule level - Fluctuation analysis of bound states
Bruvold, Are Sæle (Master thesis, 2018)The recognition, binding and release of macromolecules are precisely orchestrated in a stochastic interplay governing all enzymatic, immunological and cellular processes. Deciphering this complex synergy in order to ... -
Microarrays for the study of compartmentalized microorganisms in alginate microbeads and (W/O/W) double emulsions
Håti, Armend Gazmeno; Arnfinnsdottir, Nina Bjørk; Østevold, Camilla; Sletmoen, Marit; Etienne, Gianluca; amstad, esther; Stokke, Bjørn Torger (Journal article; Peer reviewed, 2016)Understanding of cells has mainly been achieved through analysis of average properties of large cellular populations. The increased awareness of cellular heterogeneity in various biological systems, spans from single ... -
Microfluidic channels for biomedical diagnostic devices
Øvreeide, Ingrid Haga (Doctoral theses at NTNU;2021:54, Doctoral thesis, 2021)Disease detection is of utmost importance for initiating appropriate treatment and efficient preventative measures. Therefore, providing an inexpensive, fast and robust alternative to the current detection techniques, ... -
Microfluidic devices for active and passive separation of submicron particles
Ribe, Jonas M. (Doctoral theses at NTNU;2017:55, Doctoral thesis, 2017)Cancer is the leading cause of death in the developed world and the second leading cause in the developing world. Early detection improves the survival rates of cancer patients dramatically, but current methods of diagnosis ... -
Microfluidic dual picoinjection based encapsulation of hemoglobin in alginate microcapsules reinforced by a poly(l-lysine)-g-poly(ethylene glycol)
Ahmed, Husnain; Khan, Essa Ahsan; Stokke, Bjørn Torger (Journal article; Peer reviewed, 2022) -
Microfluidic Fabrication of Mineralized Alginate Hydrogel Fibers
Mandaric, Stefan (Master thesis, 2015)Alginates are a family of naturally occurring polysaccharides that form gels in the presence of Ca2+-ions at physiological conditions. Calcium phosphate mineralized alginates have previously been investigated as a synthetic ... -
Microfluidics for Biological Studies - A Double Emulsion Platform for Cell Encapsulation and Analysis
Østevold, Camilla (Master thesis, 2016)Encapsulation of biologicalmaterial in small, confined volumes has enabled the study of individual cells, revealing valuable and detailed information on cellular processes and behavior unavailable in traditional bulk ... -
Morpholino target molecular properties affect the swelling process of oligomorpholino-functionalized responsive hydrogels
Jonasova, Eleonora Parelius; Stokke, Bjørn Torger (Peer reviewed; Journal article, 2020)Responsive hydrogels featuring DNA as a functional unit are attracting increasing interest due to combination of versatility and numerous applications. The possibility to use nucleic acid analogues opens for further ... -
Myeloma-derived extracellular vesicles mediate HGF/c-Met signaling in osteoblast-like cells
Strømme, Olaf; Psonka Antonczyk, Katarzyna Maria; Stokke, Bjørn Torger; Sundan, Anders; Arum, Carl-Jørgen; Brede, Gaute (Journal article; Peer reviewed, 2019)Multiple myeloma is an incurable cancer of antibody-producing plasma cells. Hepatocyte growth factor (HGF), a cytokine aberrantly expressed in half of myeloma patients, is involved in myeloma pathogenesis by enhancing ... -
Nanoparticle-hydrogel composites: From molecular interactions to macroscopic behavior
Dannert, Corinna; Stokke, Bjørn Torger; Dias, Rita (Journal article; Peer reviewed, 2019)Hydrogels are materials used in a variety of applications, ranging from tissue engineering to drug delivery. The incorporation of nanoparticles to yield composite hydrogels has gained substantial momentum over the years ...