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461
Impact of Plasmonic Nanoparticles on Poikilocytosis and Microrheological Properties of Erythrocytes
Published 2023-03-01“…This research explored RBC alterations induced by noble (Au and Ag) and nitride-based (TiN and ZrN) laser-synthesized plasmonic NP. Optical tweezers and conventional microscopy modalities indicated the effects arising at non-hemolytic levels, such as RBC poikilocytosis, and alterations in RBC microrheological parameters, elasticity and intercellular interactions. …”
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462
Wavelength-Tunable Narrow-Linewidth Laser Diode Based on Self-Injection Locking with a High-Q Lithium Niobate Microring Resonator
Published 2023-03-01“…This work explores a hybrid integrated narrow linewidth 980 nm laser that has potential applications in high-efficient pump laser, optical tweezers, quantum information, as well as chip-based precision spectroscopy and metrology.…”
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463
Single-molecule mechanical folding and unfolding of RNA hairpins : effects of single A-U to A·C pair substitutions and single proton binding and implications for mRNA structure-ind...
Published 2019“…Our results on single-molecule mechanical (un)folding using optical tweezers reveal the destabilization effect of A-U to A·C pair substitution and protonation-dependent enhancement of mechanical stability facilitated through an increased folding rate, or decreased unfolding rate, or both. …”
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Journal Article -
464
Single cell analysis inside Environmental Scanning Electron Microscope (ESEM)-nanomanipulator system
Published 2010“…Available experimental techniques to probe single cells include micropipette aspiration, optical tweezers, magnetic tweezers (Bausch et al., 1999), atomic/molecular force probes (Gueta et al., 2006), nanoindenters, microplate manipulators, optical stretchers (Thoumine et al., 1999) and nanoneedle (Obataya et al., 2005).. …”
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465
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466
A disease-causing intronic point mutation C19G alters tau exon 10 splicing via RNA secondary structure rearrangement
Published 2021“…Here, we show by biophysical characterization, including thermal melting, fluorescence, and single-molecule mechanical unfolding using optical tweezers, that the +19G mutation alters the structure of the bottom stem, resulting in the formation of a new bottom stem with enhanced stability. …”
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Journal Article -
467
On-chip photodetection of angular momentums of vortex structured light
Published 2024“…Structured vortex light with orbital angular momentum (OAM) shows great promise for high-bandwidth optical communications, quantum information and computing, optical tweezers, microscopy, astronomy, among others. …”
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Journal Article -
468
Single-molecule force spectroscopy of protein-membrane interactions
Published 2017-10-01“…In our approach, single proteins attached to membranes supported on silica beads are pulled by optical tweezers, allowing membrane binding and unbinding transitions to be measured with unprecedented spatiotemporal resolution. …”
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469
Multifunctional virus manipulation with large-scale arrays of all-dielectric resonant nanocavities
Published 2022“…Spatial manipulation of a precise number of viruses for host cell infection is essential for the extensive studies of virus pathogenesis and evolution. Albeit optical tweezers have been advanced to the atomic level via optical cooling, it is still challenging to efficiently trap and manipulate arbitrary number of viruses in an aqueous environment, being restricted by insufficient strength of optical forces and a lack of multifunctional spatial manipulation techniques. …”
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Journal Article -
470
CRISPR-powered optothermal nanotweezers: Diverse bio-nanoparticle manipulation and single nucleotide identification
Published 2023-11-01“…Therefore, this innovative approach has endowed optical tweezers with DNA identification ability in aqueous solution which was unattainable before. …”
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471
On-Chip Free-Flow Measurement Revealed Possible Depletion of Macrophages by Indigestible PM2.5 within a Few Hours by the Fastest Intervals of Serial Phagocytosis
Published 2023-01-01“…One-by-one feeding of IgG/BSA-PS with optical tweezers was examined to confirm the phagocytosis intervals, and we found that the intervals remained constant until several times before the maximum number of antigens for engulfment, also indicating no change in the phagocytosis rate constant regardless of the history of former phagocytosis and phagocytosis number. …”
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472
Influence of acidity on liquid–liquid phase transitions of mixed secondary organic aerosol (SOA) proxy–inorganic aerosol droplets
Published 2023-09-01“…In this work, we employed aerosol optical tweezers (AOT) to probe the impact of acidity on the phase transition behavior of levitated aerosol particles. …”
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473
Development of a human-guided micro-manipulation system using touch-screen interface
Published 2019“…In the recent decades, in the field of micromanipulation for biomedical and material sciences, optical tweezer has played a significant role in facilitating the operation of research and development of technologies. …”
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Final Year Project (FYP) -
474
Molecular dynamics simulation of stretching-force-induced H-type RNA pseudoknot unfolding
Published 2016“…Microscopic molecular structures and dynamic processes, which cannot be observed in optical tweezer experiments, will be illustrated. Both molecular dynamics simulations and optical tweezer experiments revealed that the delta U177 pseudoknot can unfold using three types of pathways. …”
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Final Year Project (FYP) -
475
Quantum Sensing in Tweezer Arrays: Optical Magnetometry on an Individual-Atom Sensor Grid
Published 2024-01-01“…An additional steerable optical tweezer allows rearrangement of atoms within the grid and enables single-atom scanning microscopy with submicron resolution. …”
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476
Optical deposition of carbon nano-particles on waveguides
Published 2012“…The studies will include building up models of optical tweezer effect on different particles and waveguides. …”
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Final Year Project (FYP) -
477
Graphene-based Q-switched pulsed fiber laser in a linear configuration
Published 2012“…The graphene is exfoliated from its solution using an optical deposition and the optical tweezer effect. A fiber ferrule that already has the graphene deposited on it is inserted into an erbium-ytterbium laser (EYL) system with linear cavity configuration. …”
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478
Thermalization of a Trapped Single Atom with an Atomic Thermal Bath
Published 2021-03-01“…We studied a single atom trapped in an optical tweezer interacting with a thermal bath of ultracold atoms of a different species. …”
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479
Measuring lateral efficiency of optical traps: The effect of tube length
Published 2006“…An optical tweezer setup is made based on a custom-designed inverted microscope, which can work both in finite and infinite tube length microscopy modes. …”
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480
Extracting Work Optimally with Imprecise Measurements
Published 2020-12-01“…In this paper, we show how to reversibly confine a Brownian particle in an optical tweezer potential and then extract the corresponding increase of the free energy as work. …”
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Article