Browsing by author "Neto, Chiara"
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Antifouling Properties of Liquid-Infused Riblets Fabricated by Direct Contactless Microfabrication
Fenati, Renzo A.; Quinn, Mitchell S.; Bilinksy, Henry C.; Neto, ChiaraPublished 2021The fabrication of riblets and surfaces structured with aligned grooves, by direct contactless microfabrication (DCM), and the ability of the riblets to function as lubricant-infused surfaces, is reported. Three types ...Open AccessArticle -
Boundary flow on end-grafted PEG brushes
Charrault, E.; Lee, T.; Easton, C.D.; Neto, ChiaraPublished 2015-12-18We investigated the boundary conditions for flow of a Newtonian liquid over soft interfaces by measuring hydrodynamic drainage forces with colloid probe atomic force microscopy in a viscous liquid. The investigated soft ...Open AccessArticle -
Chain Collapse and Interfacial Slip of Polystyrene Films in Good/ Nonsolvent Vapor Mixtures
Al-Khayat, O.; Geraghty, K.; Shou, K.; Nelson, A.; Neto, ChiaraPublished 2016-02-08We investigated the dynamics and morphology of dewetting of metastable polystyrene films (thickness 75− 500 nm) cast on silicon substrates, upon exposure to vapors of a mixture of toluene, a good solvent, and ethanol, a ...Open AccessArticle -
Control of nanoparticle formation using the constrained dewetting of polymer brushes
Lee, Thomas; Hendy, Shaun C.; Neto, ChiaraPublished 2015-01-14We have used coarse-grained molecular dynamics simulations to investigate the use of pinned micelles formed by the constrained dewetting of polymer brushes to act as a template for nanoparticle formation. The evaporation ...Open AccessArticle -
Depletion of the Lubricant from Lubricant-Infused Surfaces due to an Air/Water Interface
Peppou-Chapman, Sam; Neto, ChiaraPublished 8 March 20Lubricant-infused surfaces (LIS) have emerged as an innovative way to combat several modern challenges such as biofouling, ice formation, and surface drag. The favorable properties of LIS are dependent on the presence and ...Open AccessArticle -
Durable Superhydrophobic Surfaces Via Spontaneous Wrinkling of Teflon
Scarratt, L.R.J.; Hoatson, B.S.; Wood, E.S.; Hawkett, B.S.; Neto, ChiaraPublished 2016-02-24We report the fabrication of both single-scale and hierarchical superhydrophobic surfaces, created by exploiting the spontaneous wrinkling of a rigid Teflon AF film on two types of shrinkable plastic substrates. Sub-100 ...Open AccessArticle -
Enhancing Spontaneous Droplet Motion on Structured Surfaces with Tailored Wedge Design
Wang, Zhongzheng; Owais, Ahmed; Neto, Chiara; Pereira, Jean-Michel; Gan, YixiangPublished 2020Spontaneous liquid transport has a wide variety of applications, including fog harvesting, microfluidics, and water-oil separation. Understanding of the droplet movement dynamics on structured surfaces is essential ...Open AccessArticle -
Evaluating medical device and material thrombosis under flow: current and emerging technologies
Hong, Jun Ki; Gao, Lingzi; Singh, Jasneil; Goh, Tiffany; Ruhoff, Alexander; Neto, Chiara; Waterhouse, AnnaPublished 2020Although blood-contacting medical devices are used widely, blood clot formation (thrombosis) leads to device failure and potentially catastrophic adverse thrombotic events for patients, such as stroke or pulomonary embolism. ...Open AccessArticle -
Functional patterned coatings by thin polymer film dewetting
Telford, Andrew M.; Thickett, S.C.; Neto, ChiaraPublished 2017-07-04An approach for the fabrication of functional polymer surface coatings is introduced, where micro-scale structure and surface functionality are obtained by means of self-assembly mechanisms. We illustrate two main applications ...Open AccessArticle -
The Good the Bad and the Slippery: A Tale of Three Solvents in Polymer Film Dewetting
Al-Khayat, Omar; Hong, Jun Ki; Geraghty, Kieran; Neto, ChiaraPublished 2016-09-01We investigated the dynamics and morphology of dewetting of bilayers of thin polymer films, made of a top poly(4-vinylpyridine) (P4VP) film on a polystyrene film on silicon substrates, upon exposure to vapors of binary and ...Open AccessArticle -
Guiding the Dewetting of Thin Polymer Films by Colloidal Imprinting
Ghezzi, Manuel; Wang, P-Y.; Kingshott, P.; Neto, ChiaraPublished 2015-04-21Micropatterned surfaces are important in many biomedical and bioengineering applications, such as the development of biosensors. An approach for the creation of ordered surface patterns, fabricated combining colloidal ...Open AccessArticle -
High Glass Transition Temperature Fluoropolymers for Hydrophobic Surface Coatings via RAFT Copolymerization
Rowe, M.; Teo, G.; Horne, J.; Al-Khayat, Omar; Neto, Chiara; Thickett, Stuart C.Published 2016-02-24The preparation of polymer thin films or surface coatings that display a static water contact angle .958 often requires hierarchical roughness features or surface functionalization steps. In addition, inherently hydrophobic ...Open AccessArticle -
How Slippery are SLIPS? Measuring Effective Slip on Lubricated Surfaces with Colloidal Probe Atmoc Force Microscopy
Scarratt, Liam R.J.; Zhu, Liwen; Neto, ChiaraPublished 2019Lubricant-infused surfaces have attracted great attention recently and are described as slippery (SLIPS). Here we measured hydrodynamic drainage forces on SLIPS by colloid probe atomic force microscopy (AFM) and quantified ...Open AccessArticle -
Interfacial slip on rough, patterned and soft surfaces: A review of experiments and simulations
Lee, Thomas; Charrault, Eric; Neto, ChiaraPublished 2014-02-22Advancements in the fabrication of microfluidic and nanofluidic devices and the study of liquids in confined geometries rely on understanding the boundary conditions for the flow of liquids at solid surfaces. Over the past ...Open AccessArticle -
Large Effective Slip on Lubricated Surfaces Measured with Colloidal Probe AFM
Scarratt, Liam R.J.; Zhu, Liwen; Neto, ChiaraPublished 2020In this work, we study the interfacial boundary conditions at the interface between two immiscible liquids under laminar flow. We measure the hydrodynamic drainage forces acting on a colloid probe as it approaches a flat ...Open AccessArticle -
Life and death of liquid-infused surfaces: a review on the choice, analysis and fate of the infused liquid layer
Peppou-Chapman, Sam; Hong, Jun Ki; Waterhouse, Anna; Neto, ChiaraPublished 2020Liquid-infused surfaces (or lubricant-infused surfaces) (LIS) are a new class of functional materials introduced in 2011. Their exceptional properties have earned them a place at the forefront of many fields including ...Open AccessArticle -
Marine Antifouling Behavior of Lubricant-Infused Nanowrinkled Polymeric Surfaces
Ware, Cameron S.; Smith-Palmer, Truis; Peppou-Chapman, Sam; Scarratt, Liam R.J.; Humphries, Erin M.; Balzer, D.; Neto, ChiaraPublished 2018A new family of polymeric, lubricant-infused, nanostructured wrinkled surfaces was designed that effectively retains inert non-toxic silicone oil, upon draining by spin-coating and vigorous shear for two weeks. The wrinkled ...Open AccessArticle -
Mechanical properties of Ropaque hollow nanoparticles
Zhu, Liwen; Nguyen, Duc; Davey, Tim; Baker, Matthew; Such, Chris; Hawkett, Brian; Neto, ChiaraPublished 2017-10-15The elastic properties and strength upon compression of commercial Ropaque polystyrene hollow particles were investigated by atomic force microscopy (AFM). These particles are commonly used in paints as opacifying agents, ...Open AccessArticle -
Mechanical properties of Ropaque hollow nanoparticles
Zhu, Liwen; Nguyen, Duc; Davey, Tim; Baker, Matthew; Such, Chris; Hawkett, Brian; Neto, ChiaraPublished 2017-10-15The elastic properties and strength upon compression of commercial Ropaque polystyrene hollow particles were investigated by atomic force microscopy (AFM). These particles are commonly used in paints as opacifying agents, ...Open AccessArticle -
Micron-sized polystyrene particles by surfactant-free emulsion polymerization in air: synthesis and mechanism
Telford, Andrew; Pham, Binh; Neto, Chiara; Hawkett, BrianPublished 2013In this study, we propose an alternative method to produce high solids, micrometer-sized polystyrene (PS) latexes with narrow size distribution, based on the use of large amounts of polymerization initiator and allowing ...Open AccessArticle
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