Influence of Solvents on the Formation of Honeycomb Films by Water Droplets Templating

Tian, Ye; Ding, Huaiyu; Jiao, Qingze; Shi, Yanqiao

doi:10.1002/macp.200500462

Cited by 54 publications

(49 citation statements)

References 40 publications

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“…This can be well-ascribed to the increased viscosity of the polymer solution, which restricts the fusion of the water droplets. [29] Similar to the phenomenon observed from breath figure, [30] the observed irregular borders, which separate high ordered domains, are attributed to the collision of the ordered arranged water droplet domains during the final stage of solvent evaporation.…”

Section: Resultssupporting

confidence: 78%

Honeycomb Micropatterning of Proteins on Polymer Films through the Inverse Microemulsion Approach

Liang

Sun

et al. 2011

Chemistry A European J

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Here we report the rapid and convenient patterning of proteins on porous polymer film using the inverse microemulsion approach. Following this method, proteins, which were dissolved in water, were transferred into dichloromethane solution of polymers through the formation of inverse microemulsion by mixing the two solutions. The protein-containing microemulsion droplets accumulated automatically into large and stable ones on the surface of organic solution casting on solid substrates, and formed tightly packed microemulsion droplet arrays driven by surface tension. With the evaporation of organic solvent and water, the microemulsion droplet arrays, which act as the template, turn to honeycomb patterned pores bearing proteins in them. The formed protein patterns can be locally applied for the detection of other proteins through specific recognition. The generality and reproducibility for the formation of BSA/PS microporous film and protein patterning by using different polymers and solvents were demonstrated by investigating surfactant addition, polymer and solvent types, and casting volume on the morphology of the microporous films. A preliminary mechanism for the protein patterning is discussed based on the analysis of the experimental results.

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Section: Resultssupporting

confidence: 78%

Honeycomb Micropatterning of Proteins on Polymer Films through the Inverse Microemulsion Approach

Liang

Sun

et al. 2011

Chemistry A European J

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“…It has been reported before that the good compatibility between the polymers and their solvents was beneficial to the formation of regular structures. 24,25 This good solubility of PEEK-NO 2 in organic solvent provided the precondition for the formation of the regular patterns. Figure 4 shows the SEM images of PEEK-NO 2 films prepared from different solution concentrations.…”

Section: Resultsmentioning

confidence: 98%

Preparation of honeycomb films from nitryl poly(ether ether ketone)s via water‐droplet templating

Zhang

Jiao

Zhao

et al. 2009

J of Applied Polymer Sci

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The fabrication of honeycomb-patterned films from nitryl poly(ether ether ketone)s (PEEK-NO 2 ) in a high-humidity atmosphere was reported in this article. PEEK-NO 2 was prepared through acid (nitric acid and sulfuric acid) nitration from poly(ether ether ketone)s (PEEK). The obtained polymer, which was characterized by Fourier transform infrared (FT-IR), X-ray diffraction (XRD), and differential scanning calorimetry (DSC) showed excellent solubility and thermal stability. Some influence factors on the pattern formation and the fabrication of the porous structure, such as the solution concentration, the solvent, and the atmosphere humidity, were investigated. The results showed that with the increase of the solution concentration, the aperture of the film diminished gradually; the lower the solventś boiling point were, the smaller the filmś apertures were and the more regular the poreś arrange ; only under high-humidity circumstances could obvious and ordered honeycomb films be formed.

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“…Gas flow with high velocity changed the shape of pores from circular to elliptical. Jiang 87,174 A special structure with large pores surrounded by small pores was obtained when the solvent was trichloroethylene/dichloromethane (10/9, v/v). Reducing the environment temperature facilitates the formation of ordered BFAs.…”

Section: Linear Homopolymersmentioning

confidence: 99%

Breath Figure: A Nature-Inspired Preparation Method for Ordered Porous Films

2015

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Influence of Solvents on the Formation of Honeycomb Films by Water Droplets Templating

Cited by 54 publications

References 40 publications

Honeycomb Micropatterning of Proteins on Polymer Films through the Inverse Microemulsion Approach

Honeycomb Micropatterning of Proteins on Polymer Films through the Inverse Microemulsion Approach

Preparation of honeycomb films from nitryl poly(ether ether ketone)s via water‐droplet templating

Breath Figure: A Nature-Inspired Preparation Method for Ordered Porous Films

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