Search Results - "Larsen, Niels B"
-
1
Single-molecule denaturation mapping of DNA in nanofluidic channels
Published in Proceedings of the National Academy of Sciences - PNAS (27-07-2010)“…Here we explore the potential power of denaturation mapping as a single-molecule technique. By partially denaturing YOYO®-1-labeled DNA in nanofluidic channels…”
Get full text
Journal Article -
2
Injection molded nanofluidic chips: fabrication method and functional tests using single-molecule DNA experiments
Published in Lab on a chip (01-01-2011)“…We demonstrate that fabrication of well-defined nanofluidic systems can be greatly simplified by injection molding of thermoplastic polymers. Chips featuring…”
Get more information
Journal Article -
3
Immobilization of Active Antibodies at Polymer Melt Surfaces during Injection Molding
Published in Polymers (01-10-2022)“…We demonstrate the transfer and immobilization of active antibodies from a low surface- energy mold surface to thermoplastic replica surfaces using injection…”
Get full text
Journal Article -
4
Light-Induced Local Heating for Thermophoretic Manipulation of DNA in Polymer Micro- and Nanochannels
Published in Nano letters (10-03-2010)“…We present a method for making polymer chips with a narrow-band near-infrared absorber layer that enables light-induced local heating of liquids inside fluidic…”
Get full text
Journal Article -
5
Conductive Polymer Functionalization by Click Chemistry
Published in Macromolecules (24-06-2008)“…Click chemistry is used to obtain new conductive polymer films based on poly(3,4-ethylenedioxythiophene) (PEDOT) from a new azide functional monomer…”
Get full text
Journal Article -
6
Embedded 3D Printing in Self‐Healing Annealable Composites for Precise Patterning of Functionally Mature Human Neural Constructs
Published in Advanced science (01-09-2022)“…Human in vitro models of neural tissue with tunable microenvironment and defined spatial arrangement are needed to facilitate studies of brain development and…”
Get full text
Journal Article -
7
Nanoconfinement-enhanced conformational response of single DNA molecules to changes in ionic environment
Published in Physical review letters (03-08-2007)“…We show that the ionic environment plays a critical role in determining the configurational properties of DNA confined in silica nanochannels. The extension of…”
Get full text
Journal Article -
8
In-chip fabrication of free-form 3D constructs for directed cell migration analysis
Published in Lab on a chip (01-01-2013)“…Free-form constructs with three-dimensional (3D) microporosity were fabricated by two-photon polymerization inside the closed microchannel of an…”
Get more information
Journal Article -
9
Stereolithographic hydrogel printing of 3D culture chips with biofunctionalized complex 3D perfusion networks
Published in Lab on a chip (01-01-2017)“…Three-dimensional (3D) in vitro models capturing both the structural and dynamic complexity of the in vivo situation are in great demand as an alternative to…”
Get more information
Journal Article -
10
Spatially Selective Functionalization of Conducting Polymers by "Electroclick" Chemistry
Published in Advanced materials (Weinheim) (26-11-2009)“…Conducting polymer microelectrodes can electrochemically generate the catalyst required for their own functionalization by “click chemistry” with high spatial…”
Get full text
Journal Article -
11
Directed self-organization of single DNA molecules in a nanoslit via embedded nanopit arrays
Published in Proceedings of the National Academy of Sciences - PNAS (06-01-2009)“…We show that arrays of nanopit structures etched in a nanoslit can control the positioning and conformation of single DNA molecules in nanofluidic devices. By…”
Get full text
Journal Article -
12
Silk scaffolding drives self-assembly of functional and mature human brain organoids
Published in Frontiers in cell and developmental biology (14-10-2022)“…Human pluripotent stem cells (hPSCs) are intrinsically able to self-organize into cerebral organoids that mimic features of developing human brain tissue…”
Get full text
Journal Article -
13
Characterization of Ultrathin Poly(ethylene glycol) Monolayers on Silicon Substrates
Published in Langmuir (06-03-2001)“…Low molecular weight poly(ethylene glycol) silanes (PEG silanes) have been grafted onto the surface of silicon wafers in a one-step procedure yielding…”
Get full text
Journal Article -
14
Leaky Optoelectrical Fiber for Optogenetic Stimulation and Electrochemical Detection of Dopamine Exocytosis from Human Dopaminergic Neurons
Published in Advanced science (01-12-2019)“…In Parkinson's disease, the degeneration of dopaminergic neurons in substantia nigra leads to a decrease in the physiological levels of dopamine in striatum…”
Get full text
Journal Article -
15
Facile Photoimmobilization of Proteins onto Low-Binding PEG-Coated Polymer Surfaces
Published in Biomacromolecules (10-03-2014)“…Immobilization of proteins onto polymer surfaces usually requires specific reactive functional groups. Here, we show an easy one-step method to conjugate…”
Get full text
Journal Article -
16
Protein and cell patterning in closed polymer channels by photoimmobilizing proteins on photografted poly(ethylene glycol) diacrylate
Published in Biomicrofluidics (01-11-2014)“…Definable surface chemistry is essential for many applications of microfluidic polymer systems. However, small cross-section channels with a high surface to…”
Get full text
Journal Article -
17
Effect of Solvents and Concentration on the Formation of a Self-Assembled Monolayer of Octadecylsiloxane on Silicon (001)
Published in Langmuir (18-02-2003)“…We have explored the effects of solvent, adsorber concentration, and environment on the formation of high-coverage monolayers of alkylsiloxanes on silicon…”
Get full text
Journal Article -
18
Micro-drilling of polymer tubular ultramicroelectrode arrays for electrochemical sensors
Published in Sensors (Basel, Switzerland) (14-05-2013)“…We present a reproducible fast prototyping procedure based on micro-drilling to produce homogeneous tubular ultramicroelectrode arrays made from…”
Get full text
Journal Article -
19
Decoupled phase transitions and grain-boundary melting in supported phospholipid bilayers
Published in Physical review letters (21-01-2005)“…Two separate liquid-solid phase transitions are detected in the two monolayers of a mica-supported phospholipid bilayer by atomic force microscopy. The phase…”
Get full text
Journal Article -
20
Solvent Composition Directing Click-Functionalization at the Surface or in the Bulk of Azide-Modified PEDOT
Published in Macromolecules (08-02-2011)“…Thin films of the conducting polymer poly(3,4-(1-azidomethylethylene)dioxythiophene) tosylate (PEDOT−N3) can be functionalized by reaction with alkynated…”
Get full text
Journal Article