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Amphiphilic crescent-moon-shaped microparticles formed by selective adsorption of colloids.
Kim SH, Abbaspourrad A, Weitz DA. Kim SH, et al. Among authors: abbaspourrad a. J Am Chem Soc. 2011 Apr 13;133(14):5516-24. doi: 10.1021/ja200139w. Epub 2011 Mar 21. J Am Chem Soc. 2011. PMID: 21417254
We use a microfluidic device to prepare monodisperse amphiphilic particles in the shape of a crescent-moon and use these particles to stabilize oil droplets in water. The microfluidic device is comprised of a tapered capillary in a theta (θ) shape that …
We use a microfluidic device to prepare monodisperse amphiphilic particles in the shape of a crescent-moon and use these parti …
Fluorocarbon Oil Reinforced Triple Emulsion Drops.
Lee H, Choi CH, Abbaspourrad A, Wesner C, Caggioni M, Zhu T, Nawar S, Weitz DA. Lee H, et al. Among authors: abbaspourrad a. Adv Mater. 2016 Oct;28(38):8425-8430. doi: 10.1002/adma.201602804. Epub 2016 Aug 1. Adv Mater. 2016. PMID: 27479940
Fluorocarbon oil reinforced triple emulsion drops are prepared to encapsulate a broad range of polar and non-polar cargoes in a single platform. In addition, it is demonstrated that the fluorocarbon oil within the emulsion drop acts as an effective diffusion barrier …
Fluorocarbon oil reinforced triple emulsion drops are prepared to encapsulate a broad range of polar and non-polar cargoes in a
Dispersing hydrophobic natural colourant β-carotene in shellac particles for enhanced stability and tunable colour.
Chen D, Zhao CX, Lagoin C, Hai M, Arriaga LR, Koehler S, Abbaspourrad A, Weitz DA. Chen D, et al. Among authors: abbaspourrad a. R Soc Open Sci. 2017 Dec 13;4(12):170919. doi: 10.1098/rsos.170919. eCollection 2017 Dec. R Soc Open Sci. 2017. PMID: 29308233 Free PMC article.
Here, we report a versatile microfluidic approach that uses single emulsion droplets as templates to prepare microparticles loaded with natural colourants. ...
Here, we report a versatile microfluidic approach that uses single emulsion droplets as templates to prepare microparticles loaded wi …
Surface functionalized hydrophobic porous particles toward water treatment application.
Abbaspourrad A, Carroll NJ, Kim SH, Weitz DA. Abbaspourrad A, et al. Adv Mater. 2013 Jun 18;25(23):3215-21. doi: 10.1002/adma.201300656. Epub 2013 May 6. Adv Mater. 2013. PMID: 23649837
A microfluidic-based approach for the fabrication of organic contaminants absorbing core-shell particles is demonstrated. The hydrophobic porous core absorbs oil while the hydrophilic surface enables the particles to be well-dispersed in aqueous solutions. ...
A microfluidic-based approach for the fabrication of organic contaminants absorbing core-shell particles is demonstrated. The hydroph
Polymer microcapsules with programmable active release.
Abbaspourrad A, Carroll NJ, Kim SH, Weitz DA. Abbaspourrad A, et al. J Am Chem Soc. 2013 May 22;135(20):7744-50. doi: 10.1021/ja401960f. Epub 2013 May 8. J Am Chem Soc. 2013. PMID: 23607271
We present a new type of microcapsule programmed with a tunable active release mechanism. The capsules are triggered by a plasticizing stimulus that induces a phase change transition of the polymeric membrane from a solid to a fluidized f …
We present a new type of microcapsule programmed with a tunable active release mechanism. The capsules are triggered by a
Monodisperse gas-filled microparticles from reactions in double emulsions.
Duncanson WJ, Abbaspourrad A, Shum HC, Kim SH, Adams LL, Weitz DA. Duncanson WJ, et al. Among authors: abbaspourrad a. Langmuir. 2012 May 1;28(17):6742-5. doi: 10.1021/la300915p. Epub 2012 Apr 20. Langmuir. 2012. PMID: 22509783
We present a strategy for preparing size-controlled gas-filled microparticles using two aqueous components that chemically react to produce the gas. ...Our versatile strategy can be applied to a wide range of gas-producing reactions....
We present a strategy for preparing size-controlled gas-filled microparticles using two aqueous components that chemically react to p …
A mix-and-read drop-based in vitro two-hybrid method for screening high-affinity peptide binders.
Cui N, Zhang H, Schneider N, Tao Y, Asahara H, Sun Z, Cai Y, Koehler SA, de Greef TF, Abbaspourrad A, Weitz DA, Chong S. Cui N, et al. Among authors: abbaspourrad a. Sci Rep. 2016 Mar 4;6:22575. doi: 10.1038/srep22575. Sci Rep. 2016. PMID: 26940078 Free PMC article.
Drop-based microfluidics have recently become a novel tool by providing a stable linkage between phenotype and genotype for high throughput screening. ...To address this sensitivity issue, we introduced in vitro two-hybrid system (IVT2H) into microfluidic drops and …
Drop-based microfluidics have recently become a novel tool by providing a stable linkage between phenotype and genotype for hi …
25th anniversary article: double emulsion templated solid microcapsules: mechanics and controlled release.
Datta SS, Abbaspourrad A, Amstad E, Fan J, Kim SH, Romanowsky M, Shum HC, Sun B, Utada AS, Windbergs M, Zhou S, Weitz DA. Datta SS, et al. Among authors: abbaspourrad a. Adv Mater. 2014 Apr 9;26(14):2205-18. doi: 10.1002/adma.201305119. Epub 2014 Feb 24. Adv Mater. 2014. PMID: 24615984
The use of this approach to fabricate microcapsules that only release their contents when exposed to a specific stimulus--such as a change in temperature, exposure to light, a change in the chemical environment, or an external stress--only after a pres …
The use of this approach to fabricate microcapsules that only release their contents when exposed to a specific stimulus--such as …
Preparation of iron nanoparticles-loaded Spondias purpurea seed waste as an excellent adsorbent for removal of phosphate from synthetic and natural waters.
Arshadi M, Foroughifard S, Etemad Gholtash J, Abbaspourrad A. Arshadi M, et al. Among authors: abbaspourrad a. J Colloid Interface Sci. 2015 Aug 15;452:69-77. doi: 10.1016/j.jcis.2015.04.019. Epub 2015 Apr 16. J Colloid Interface Sci. 2015. PMID: 25919431
Controlling release from pH-responsive microcapsules.
Abbaspourrad A, Datta SS, Weitz DA. Abbaspourrad A, et al. Langmuir. 2013 Oct 15;29(41):12697-702. doi: 10.1021/la403064f. Epub 2013 Oct 2. Langmuir. 2013. PMID: 24041287
The solid microcapsule shells are composed of a biocompatible pH-responsive polymer and robustly encapsulate an active material; however, when exposed to a trigger pH, the shells degrade and ultimately release the microcapsule contents. ...This enables us to achieve …
The solid microcapsule shells are composed of a biocompatible pH-responsive polymer and robustly encapsulate an active material; howe …
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