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Faster droplet production by delayed surfactant-addition in two-phase microfluidics to form thermo-sensitive microgels.

Faster droplet production by delayed surfactant-addition in two-phase microfluidics to form thermo-sensitive microgels.

Journal of colloid and interface science (2015-04-29)

Sebastian Seiffert, Fabian Friess, Andreas Lendlein, Christian Wischke

摘要

Microfluidic droplet templating produces monodisperse particles of well controllable sizes, but this is limited by the necessity to operate microfluidic devices at low flow rates in the dripping regime. Here, the per-channel rate of droplet production could be substantially increased by delayed surfactant addition as applied and verified for microfluidic production of N-isopropylacrylamide based microgels.

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Sigma-Aldrich

四甲基乙二胺, BioReagent, suitable for electrophoresis, ≥99.0%

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过硫酸铵, Molecular Biology, suitable for electrophoresis, ≥98%

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四甲基乙二胺, BioReagent, Molecular Biology, ≥99% (GC)

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N,N′-亚甲基双丙烯酰胺, powder, Molecular Biology, suitable for electrophoresis, ≥99.5%

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四甲基乙二胺, ≥99.5%, purified by redistillation

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N,N′-亚甲基双丙烯酰胺, 99%

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N -异丙基丙烯酰胺, 97%

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L-赖氨酸单盐酸盐, from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 98.5-101.0%

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四甲基乙二胺, ReagentPlus^®, 99%

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N -异丙基丙烯酰胺, ≥99%

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过硫酸铵, BioUltra, ≥98.0% (RT)

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N,N′-亚甲基双丙烯酰胺溶液, suitable for electrophoresis, 2% in H₂O

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L-赖氨酸单盐酸盐, reagent grade, ≥98% (HPLC)

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过硫酸铵, BioXtra, ≥98.0%

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腺苷5′-磷酸硫酸盐钠盐, ≥85%

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N,N′-亚甲基双丙烯酰胺, Vetec^™, reagent grade