Thomas E. Kodger
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View article: Understanding the Stability of Poorly Covered Pickering Emulsions Using on‐Chip Microfluidics
Understanding the Stability of Poorly Covered Pickering Emulsions Using on‐Chip Microfluidics Open
Particle‐stabilized emulsions, also known as Pickering emulsions, have shown promise in areas that require long‐term stability with minimum use of surfactants. While most work has focused on densely covered Pickering emulsions, such emulsi…
View article: Sprayable solutions containing sticky rice oil droplets reduce western flower thrips damage and induce changes in Chrysanthemum leaf chemistry
Sprayable solutions containing sticky rice oil droplets reduce western flower thrips damage and induce changes in Chrysanthemum leaf chemistry Open
Thrips are one of the most challenging pests in agricultural crops, including Chrysanthemum . In this study we tested via two plant assays whether solutions containing sticky rice germ oil (RGO) droplets could effectively trap thrips and l…
View article: Novel settlement substrates for European flat oyster (Ostrea edulis) restoration
Novel settlement substrates for European flat oyster (Ostrea edulis) restoration Open
The flat oyster Ostrea edulis L., once common in the North Sea, declined rapidly due to intensive fisheries in the late 19th century and disease outbreaks at the beginning of the 20th century and is now listed as ‘threatened’ or ‘declining…
View article: Photonic Whitener Pigments: A Sustainable Alternative to Titanium Dioxide Nanoparticles
Photonic Whitener Pigments: A Sustainable Alternative to Titanium Dioxide Nanoparticles Open
Titanium dioxide is the world's most widely used pigment; however, increased cost and potential environmental concerns have driven a need for a sustainable replacement. The study has developed a scalable method to produce more sustainable …
View article: Mimicking natural deterrent strategies in plants using adhesive spheres
Mimicking natural deterrent strategies in plants using adhesive spheres Open
With a continuous increase in world population and food production, chemical pesticide use is growing accordingly, yet unsustainably. As chemical pesticides are harmful to the environment and developmental resistance in pests is increasing…
View article: Emergent Properties from Three-Dimensional Assemblies of (Nano)particles in Confined Spaces
Emergent Properties from Three-Dimensional Assemblies of (Nano)particles in Confined Spaces Open
The assembly of (nano)particles into compact hierarchical structures yields emergent properties not found in the individual constituents. The formation of these structures relies on a profound knowledge of the nanoscale interactions betwee…
View article: Adhesive droplets made from plant-derived oils for control of western flower thrips
Adhesive droplets made from plant-derived oils for control of western flower thrips Open
Arthropod pests cause significant problems in agricultural crops all around the world. As chemical pesticide use becomes less desired, there is a need for alternative methods of pest control. Inspired by the natural adhesiveness of arthrop…
View article: The Magnitude of the Soret Force on Colloidal Particles Measured in Microgravity
The Magnitude of the Soret Force on Colloidal Particles Measured in Microgravity Open
There is a broad interest in both industry and academe in understanding the time-evolution in the microstructure of colloidal gels, as such changes affect the properties of the gels including product self-life and rheology. In colloidal ge…
View article: Dynamics of individual inkjet printed picoliter droplet elucidated by high speed laser speckle imaging
Dynamics of individual inkjet printed picoliter droplet elucidated by high speed laser speckle imaging Open
Laser Speckle Imaging is used to follow the concomitant processes during inkjet printing, including droplet impact, wetting, evaporation, and imbibement into a substrate as well as consequential substrate rearrangements and remodeling.
View article: Light Scattering through a Drying Coating
Light Scattering through a Drying Coating Open
Drying coatings undergo internal dynamic densification and rearrangement, which are challenging to discern with optical techniques due to their multiple scatterings of light. Experiments such as diffusing wave spectroscopy (DWS) and laser …
View article: Tuning moduli of hybrid bottlebrush elastomers by molecular architecture
Tuning moduli of hybrid bottlebrush elastomers by molecular architecture Open
Polymeric elastomers made of bottlebrush chains are soft, solvent-free materials with precisely controllable moduli by network topology. However, fabrication methods of bottlebrush networks with precisely programmable topology are lacking.…
View article: Real-Time Imaging of Bonding in 3D-Printed Layers
Real-Time Imaging of Bonding in 3D-Printed Layers Open
In recent times, 3D printing technology has revolutionized our ability to design and produce products, but optimizing the print quality can be challenging. The process of extrusion 3D printing involves pressuring molten material through a …
View article: Controlled Assembly of CdSe Nanoplatelet Thin Films and Nanowires
Controlled Assembly of CdSe Nanoplatelet Thin Films and Nanowires Open
We assemble semiconductor CdSe nanoplatelets (NPs) at the air/liquid interface into 2D monolayers several micrometers wide, distinctly displaying nematic order. We show that this configuration is the most favorable energetically and that t…
View article: Novel Photoinitiator System for Simultaneous Physical drying and Free Radical Polymerization of Water-Borne Dispersions with Near-Infrared Excitation
Novel Photoinitiator System for Simultaneous Physical drying and Free Radical Polymerization of Water-Borne Dispersions with Near-Infrared Excitation Open
Energy efficient processes in industry represent a key factor to realize a fast transition to renewable energy sources. In the coatings industry, oven technologies applied for drying and curing, mainly contribute to energy consumption. Sub…
View article: Spatially heterogenous dynamics in colloidal gels during syneresis
Spatially heterogenous dynamics in colloidal gels during syneresis Open
Colloidal gels composed of viscous particles undergoing syneresis exhibit heterogeneous mobility as visualized by laser speckle imaging.
View article: 3D printable soft and solvent-free thermoplastic elastomer containing dangling bottlebrush chains
3D printable soft and solvent-free thermoplastic elastomer containing dangling bottlebrush chains Open
Designed super-soft and solvent-free bottlebrush thermoplastic elastomer compatible with 3D printing with tunability of each topological parameter at the molecular level.
View article: In-situ and quantitative imaging of evaporation-induced stratification in binary suspensions
In-situ and quantitative imaging of evaporation-induced stratification in binary suspensions Open
The drying of a multi-component dispersion, such as water-based paint, ink and sunscreen to form a solid film, is a widespread process. Binary colloidal suspensions have proven capable of spontaneous layer formation through size segregatio…
View article: Monodisperse Nanocrystal Superparticles through a Source–Sink Emulsion System
Monodisperse Nanocrystal Superparticles through a Source–Sink Emulsion System Open
Superparticles made from colloidal nanocrystals have recently shown great promise in bridging the nanoscale and mesoscale, building artificial materials with properties designed from the bottom-up. As these properties depend on the dimensi…
View article: Synthesis of well-defined linear–bottlebrush–linear triblock copolymer towards architecturally-tunable soft materials
Synthesis of well-defined linear–bottlebrush–linear triblock copolymer towards architecturally-tunable soft materials Open
A new method is discussed to synthesize linear–bottlebrush–linear polystyrene- block -polydimethylsiloxane- block -polystyrene triblock copolymer via “grafting onto” approach with well-defined and tunable architectural parameters.
View article: Mechanical Deconvolution of Elastic Moduli by Indentation of Mechanically Heterogeneous Materials
Mechanical Deconvolution of Elastic Moduli by Indentation of Mechanically Heterogeneous Materials Open
Most materials are mechanically heterogeneous on a certain length scale. In many applications, this heterogeneity is crucial for the material’s function, and exploiting mechanical heterogeneity could lead to new materials with interesting …
View article: 10.1063/5.0011167.1
10.1063/5.0011167.1 Open
Understanding phenomena such as evaporation and imbibition of picoliter droplets into porous substrates is crucial in printing industry to achieve a higher printing quality and print speed. After printing, the residual pigment must remain …
View article: High-speed laser speckle imaging to unravel picoliter drop-on-demand to substrate interaction
High-speed laser speckle imaging to unravel picoliter drop-on-demand to substrate interaction Open
Understanding phenomena such as evaporation and imbibition of picoliter droplets into porous substrates is crucial in printing industry to achieve a higher printing quality and print speed. After printing, the residual pigment must remain …
View article: Characterization of the local mechanical texture of animal meat and meat replacements using multi-point indentation
Characterization of the local mechanical texture of animal meat and meat replacements using multi-point indentation Open
Over consumption of animal meat is a large contributor to environmental change and should be reduced. This reduction can be achieved by replacing high environmental impact animal meat with an alternative produced from plant-based products …
View article: Revealing viscoelastic bending relaxation dynamics of isolated semiflexible colloidal polymers
Revealing viscoelastic bending relaxation dynamics of isolated semiflexible colloidal polymers Open
We study semiflexible colloidal polymers assembled from di-patch particles via critical Casimir forces. By tuning the bond strength and resulting bending rigidity with temperature, we directly observe elastic relaxation and internal fricti…
View article: Syneresis of Colloidal Gels: Endogenous Stress and Interfacial Mobility Drive Compaction
Syneresis of Colloidal Gels: Endogenous Stress and Interfacial Mobility Drive Compaction Open
Colloidal gels may experience syneresis, an increase in volume fraction through expulsion of the continuous phase. This poroelastic process occurs when adhesion to the container is weak compared to endogenous stresses which develop during …
View article: Soft Poly(dimethylsiloxane) Elastomers from Architecture-Driven Entanglement Free Design
Soft Poly(dimethylsiloxane) Elastomers from Architecture-Driven Entanglement Free Design Open
We fabricate soft, solvent-free polydimethylsiloxane (PDMS) elastomers by crosslinking bottlebrush polymers rather than linear polymers. We design the chemistry to allow commercially available linear PDMS precursors to deterministically fo…