Hyper-Miniaturisation of Monodisperse Janus Hydrogel Beads with Magnetic Anisotropy Based on Coagulation of Fe<sub>3</sub>O<sub>4</sub> Nanoparticles — Oak Academic Publishing
Research ArticleOpen AccessGoogle Scholar indexed
Hyper-Miniaturisation of Monodisperse Janus Hydrogel Beads with Magnetic Anisotropy Based on Coagulation of Fe<sub>3</sub>O<sub>4</sub> Nanoparticles
Department of Human and Engineered Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, Ka-shiwa-shi, Japan
,
Department of Human and Engineered Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, Ka-shiwa-shi, Japan
,
Department of Human and Engineered Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, Ka-shiwa-shi, Japan
1 Department of Human and Engineered Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, Ka-shiwa-shi, Japan
2 Department of Human and Engineered Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, Ka-shiwa-shi, Japan
3 Department of Human and Engineered Environmental Studies, Graduate School of Frontier Sciences, The University of Tokyo, Ka-shiwa-shi, Japan
We describe a simple and robust technique for fabricating monodisperse Janus hydrogel beads with magnetic anisotropy smaller than the microchannel used to produce them.
A. Ghosh, N. K. Sheridon and P. Fischer, “Voltage-Controllable Magnetic Composite Based on Multifunctional Polyethylene Microparticles,” Small, Vol. 4, No. 11, 2008, pp. 1956-1958. doi:10.1002/smll.200701301
S. N. Yin, C. F. Wang, Z. Y. Yu, J. Wang, S. S. Liu and S. Chen, “Versatile Bifunctional Magnetic-Fluorescent Responsive Janus Supraballs towards the Flexible Bead Display,” Advanced Materials, Vol. 23, No. 26, 2011, pp. 2915-2919.
R. K. Shah, J. Kim and D. A. Weitz, “Janus Supraparticles by Induced Phase Separation of Nanoparticles in Droplets,” Advanced Materials, Vol. 21, No. 19, 2009, pp. 1949-1953.
N. Zhao and M. Y. Gao, “Magnetic Janus Particles Prepared by a Flame Synthetic Approach: Synthesis, Characterizations and Properties,” Advanced Materials, Vol. 21, No. 2, 2009, pp. 184-187.
A. K. F. Dyab, M. Ozmen, M. Ersoz and V. N. Paunov, “Fabrication of Novel Anisotropic Magnetic Microparticles,” Journal of Materials Chemistry, Vol. 19, No. 21, 2009, pp. 3475-3481. doi:10.1039/b814971m
K. P. Yuet, D. K. Hwang, R. Haghgooie and P. S. Doyle, “Multifunctional Superparamagnetic Janus Particles,” Langmuir, Vol. 26, No. 6, 2010, pp. 4281-4287. doi:10.1021/la903348s
L. B. Zhao, L. Pan, K. Zhang, S. S. Guo, W. Liu, Y. Wang, Y. Chen, X. Z. Zhao and H. L. W. Chan, “Generation of Janus Alginate Hydrogel Particles with Magnetic Anisotropy for Cell Encapsulation,” Lab on a Chip, Vol. 9, No. 20, 2009, pp. 2981-2986. doi:10.1039/b907478c
Y. J. Zhao, H. C. Shum, H. S. Chen, L. L. A. Adams, Z. Z. Gu and D. A. Weitz, “Microfluidic Generation of Multifunctional Quantum Dot Barcode Particles,” Journal of the American Chemical Society, Vol. 133, No. 23, 2011, pp. 8790-8793. doi:10.1021/ja200729w
C. H. Chen, A. R. Abate, D. Y. Lee, E. M. Terentjev and D. A. Weitz, “Microfluidic Assembly of Magnetic Hydrogel Particles with Uniformly Anisotropic Structure,” Advanced Materials, Vol. 21, No. 31, 2009, pp. 3201-3204.
Y. Lee, S. Lee, J.-B. Kwak, S. Kim, H.-Y. Cha, C. H. Lee, C. S. Lee and H.-S. Lee, “Friction Effect on the Rotation of Bichromal Ball in a Monolayer Rotating Ball Display,” Journal of Applied Physics, Vol. 108, 2010, Article ID: 102812. doi:10.1063/1.3511710
W. H. Tan and S. Takeuchi, “Monodisperse Alginate Hydrogel Microbeads for Cell Encapsulation,” Advanced Materials, Vol. 19, No. 18, 2007, pp. 2696-2701. doi:10.1002/adma.200700433
T. Nisisako and T. Torii, “Formation of Biphasic Janus Droplets in a Microfabricated Channel for the Synthesis of Shape-Controlled Polymer Microparticles,” Advanced Materials, Vol. 19, No. 11, 2007, pp. 1489-1493.
D. R. Link, E. Grasland-Mongrain, A. Duri, F. Sarrazin, Z. D. Cheng, G. Cristobal, M. Marquez and D. A. Weitz, “Electric Control of Droplets in Microfluidic Devices,” Angewandte Chemie-International Edition, Vol. 45, No. 16, 2006, pp. 2556-2560. doi:10.1002/anie.200503540
H. Kim, D. W. Luo, D. Link, D. A. Weitz, M. Marquez, and Z. D. Cheng, “Controlled Production of Emulsion Drops Using an Electric Field in a Flow-Focusing Microfluidic Device,” Applied Physics Letters, Vol. 91, No. 13, 2007, Article ID: 133106. doi:10.1063/1.2790785
T. Nisisako, T. Torii and T. Higuchi, “Novel MicroreacTors for Functional Polymer Beads,” Chemical Engineering Journal, Vol. 101, No. 1-3, 2004, pp. 23-29. doi:10.1016/j.cej.2003.11.019
H. M. Wyss, D. L. Blair, J. F. Morris, H. A. Stone and D. A. Weitz, “Mechanism for Clogging of Microchannels,” Physical Review E, Vol. 74, No. 6, 2006, Article ID: 061402. doi:10.1103/PhysRevE.74.061402
T. Nisisako, T. Torii, T. Takahashi and Y. Takizawa, “Synthesis of Monodisperse Bicolored Janus Particles with Electrical Anisotropy Using a Microfluidic Co-Flow System,” Advanced Materials, Vol. 18, No. 9, 2006, pp. 1152-1156. doi:10.1002/adma.200502431
S. Ahn, D. W. Kim, Y. W. Kim and J. Y. Yoo, “Generation of Janus Droplets for Enhanced Mixing in Microfluidics,” International Journal of Precision Engineering and Manufacturing, Vol. 11, No. 5, 2010, pp. 799-802. doi:10.1007/s12541-010-0095-z
H. Hirama, T. Kambe, K. Aketagawa, T. Ota, H. Moriguchi and T. Torii, “Hyper Alginate Gel Microbead Formation by Molecular Diffusion at the Hydrogel/Droplet Interface,” Langmuir, Vol. 29, No. 2, 2013, pp. 519-524. doi:10.1021/la303827u
K. Aketagawa, H. Hirama, H. Moriguchi and T. Torii, “Fabrication of Titania Microspheres Using Alginate Microdroplets on an Oil/Hydrogel Interface,” The 15th International Conference on Miniaturized Systems for Chemistry and Life Sciences, Seattle, 2-6 October 2011, pp. 1615-1617.
K. Aketagawa, H. Hirama, H. Moriguchi and T. Torii, “Janus Hydrogel Beads for Electronic Paper Using Shrinkage-Gelation Technique,” The 16th International Conference on Miniaturized Systems for Chemistry and Life Sciences, Okinawa, 28 October-1 November 2012, pp. 890-892.
L. X. Wen and K. D. Papadopoulos, “Effects of Osmotic Pressure on Water Transport in W-1/O/W-2 Emulsions,” Journal of Colloid and Interface Science, Vol. 235, No. 2, 2001, pp. 398-404. doi:10.1006/jcis.2000.7384
J. Cheng, J. F. Chen, M. Zhao, Q. Luo, L. X. Wen and K. D. Papadopoulos, “Transport of Ions through the Oil Phase of W-1/O/W-2 Double Emulsions,” Journal of Colloid and Interface Science, Vol. 305, No. 1, 2007, pp. 175-182. doi:10.1016/j.jcis.2006.09.055
G. Talei Franzesi, B. Ni, Y. Ling and A. Khademhosseini, “A Controlled-Release Strategy for the Generation of Cross-Linked Hydrogel Microstructures,” Journal of the American Chemical Society, Vol. 128, No. 47, 2006, pp. 15064-15065.
D. Saeki, S. Sugiura, T. Kanamori, S. Sato and S. Ichikawa, “Microfluidic Preparation of Water-in-Oil-in-Water Emulsions with an Ultra-Thin Oil Phase Layer,” Lab on a Chip, Vol. 10, No. 3, 2010, pp. 357-362. doi:10.1039/b916318b
R. J. Hunter, “Foundations of Colloid Science,” Oxford University Press, Oxford, 2001.
W. Kunz, J. Henle and B. W. Ninham, “‘Zur Lehre von der Wirkung der Salze’ (about the Science of the Effect of Salts): Franz Hofmeister’s Historical Papers,” Current Opinion in Colloid & Interface Science, Vol. 9, No. 1, 2004, pp. 19-37. doi:10.1016/j.cocis.2004.05.005