2010
DOI: 10.1590/s0104-66322010000100001
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Abstract: -Miniaturization and commercialization of integrated microfluidic systems has had great success with the development of a wide variety of techniques in microfabrication, since they allowed their construction at a low cost and by following simple step-series procedures. However, one of the major challenges in the design of microfluidic systems is to achieve control of flow and delivery of different chemical reagents. This feature is especially important when using microfluidic systems in the development of cell… Show more

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Cited by 5 publications
(4 citation statements)
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“…Therefore, probably the presence of AgNPs limits the segmental mobility of the polymer chains and prevents the crystallization process in the amount that is proportional to the growing content of Ag. Moreover, it was obtained that PNiPAAm crosslinked polymer network stabilizes the metallic nanoparticles mainly by defect network structures (e.g., dangling chain ends) , thus inducing crystalline disorder of polymer .…”
Section: Resultsmentioning
confidence: 99%
“…Therefore, probably the presence of AgNPs limits the segmental mobility of the polymer chains and prevents the crystallization process in the amount that is proportional to the growing content of Ag. Moreover, it was obtained that PNiPAAm crosslinked polymer network stabilizes the metallic nanoparticles mainly by defect network structures (e.g., dangling chain ends) , thus inducing crystalline disorder of polymer .…”
Section: Resultsmentioning
confidence: 99%
“…The cell permeability was analyzed by propidium iodide (PI) stain. 30,31 As shown in Fig. 7, when 100 mg L À1 CAZ combined with 10 mg L À1 Ag 3 PO 4 , cell permeability increases 62.6% than 100 mg L À1 CAZ.…”
Section: The Interaction Of Antibacterial Agents and Bacteriamentioning
confidence: 89%
“…[1][2][3] Environmentally responsive porous membranes (ERPMs) have a wide array of applications, including use in sensors, bioseparation, drug delivery systems and valves that serve to interconnect microfluidic systems and control interflow. [3][4][5][6][7][8][9][10][11][12] For decades, the efforts to develop ERPMs have been approached mainly through the coupling of environmentally responsive polymers to polymeric porous membranes. This technique allows for rapid 'on/ off' switching and flow control because it synergizes the chemical stability and mechanical strength of the polymer membrane with the fast response times of the free-ended polymer chains chemically bonded to them.…”
Section: Introductionmentioning
confidence: 99%
“…The synthesis involves prior grafting of poly(N-isopropyl acrylamide) (PNIPAM) chains to the walls of the polycarbonate membrane, followed by an in situ reduction of a metallic salt, HAuCl 4 . The synthesis pathway proposed is based on our previous work, 11,22,23 which describes the capability of PNIPAM to be coupled to metallic particles, control their sizes and shapes, and form opto-thermally responsive nanocomposite materials. 22,23 We present a bioinspired state-of-the-art technique and device that utilizes simplified mechanisms to outperform the 'on/off' switching of its natural counterpart.…”
Section: Introductionmentioning
confidence: 99%