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231223s2009 xx ||||| 00| ||eng c |
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|a (DE-627)NLM190929936
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|a (NLM)19708157
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Lee, Nae Yoon
|e verfasserin
|4 aut
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|a Novel poly(dimethylsiloxane) bonding strategy via room temperature "chemical gluing"
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|c 2009
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|a Text
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|a ohne Hilfsmittel zu benutzen
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|2 rdamedia
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|a Date Completed 15.09.2009
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|a Date Revised 27.10.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a Here we propose a new scheme for bonding poly(dimethylsiloxane) (PDMS), namely, a "chemical gluing", at room temperature by anchoring chemical functionalities on the surfaces of PDMS. Aminosilane and epoxysilane are anchored separately on the surfaces of two PDMS substrates, the reaction of which are well-known to form a strong amine-epoxy bond, therefore acting as a chemical glue. The bonding is performed for 1 h at room temperature without employing heat. We characterize the surface properties and composition by contact angle measurement, X-ray photoelectron spectroscopy analysis, and fluorescence measurement to confirm the formation of surface functionalities and investigate the adhesion strength by means of pulling, tearing, and leakage tests. As confirmed by the above-mentioned analyses and tests, PDMS surfaces were successfully modified with amine and epoxy functionalities, and a bonding based on the amine-epoxy chemical gluing was successfully realized within 1 h at room temperature. The bonding was sufficiently robust to tolerate intense introduction of liquid whose per minute injection volume was almost 2000 times larger than the total internal volume of the microchannel used. In addition to the bonding of PDMS-PDMS homogeneous assembly, the bonding of the PDMS-poly(ethylene terephthalate) heterogeneous assembly was also examined. We also investigate the potential use of the multifunctionalized walls inside the microchannel, generated as a consequence of the chemical gluing, as a platform for the targeted immobilization
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Dimethylpolysiloxanes
|2 NLM
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|a Polymers
|2 NLM
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|a Silanes
|2 NLM
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|a baysilon
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|a 63148-62-9
|2 NLM
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|a Chung, Bong Hyun
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 25(2009), 6 vom: 09. Apr., Seite 3861-6
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:25
|g year:2009
|g number:6
|g day:09
|g month:04
|g pages:3861-6
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