2011
DOI: 10.1016/j.snb.2010.12.026
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Low-cost polymer microfluidic device for on-chip extraction of bacterial DNA

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Cited by 18 publications
(13 citation statements)
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“…However, to process these materials with microfluidic structures, expensive embossing machines and fabricated positive master molds are required in a clean room environment. As the optical characteristics of the polymers can rival those of glass, interest in polymers as substrates for microfluidics has led to an increase in literature demonstrating the feasibility of thermoplastic films as a material to enclose PDMS microfluidic devices . Though PDMS is inherently a soft material, production of molds in the micro‐ and nanometer resolution are cheap, quick to produce, and do not require specialized or sophisticated machinery and laboratories.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…However, to process these materials with microfluidic structures, expensive embossing machines and fabricated positive master molds are required in a clean room environment. As the optical characteristics of the polymers can rival those of glass, interest in polymers as substrates for microfluidics has led to an increase in literature demonstrating the feasibility of thermoplastic films as a material to enclose PDMS microfluidic devices . Though PDMS is inherently a soft material, production of molds in the micro‐ and nanometer resolution are cheap, quick to produce, and do not require specialized or sophisticated machinery and laboratories.…”
Section: Introductionmentioning
confidence: 99%
“…applied two PDMS layers to sandwich a porous PC (PCTE) with activation of the membrane by APTES (5% v/v). The application of filtering whole blood plasma was infused and the porous membrane (200 nm pore size) was unaffected by the activation with APTES . Recently, we have reported on the fabrication of PDMS passive micromixers that were bonded to PI, PEN, and PET films using an aqueous solution of APTES (6% v/v) .…”
Section: Introductionmentioning
confidence: 99%
“…Microfluidic chips have been applied to various cell analyses, including cell transmission [3][4][5], sample injection [6,7], cell culture [8][9][10][11][12][13][14], classification [8,[15][16][17][18], separation [19][20][21][22] and cell dissolution [23][24][25]. Electrochemical detection is increasingly recognized as one of the most promising detection methods in microfluidic chip electrophoresis (chip-CE) due to its high sensitivity, good selectivity and ease of miniaturization and integration.…”
Section: Introductionmentioning
confidence: 99%
“…76 Para isso, diferentes materiais têm sido utilizados na fabricação deste dispositivos, os quais determinam a metodologia de fabricação a ser utilizada, podendo apresentar maior ou menor custo, diferentes graus de dificuldade e ainda melhores características para determinada aplicação. 76 Dentre os materiais utilizados, temos os dispositivos de vidro, 45,[77][78][79][80][81][82][83][84] polímeros como o polimetildimetilsiloxano (PDMS), 77,81,[85][86][87] polimetilmetacrilato (PMMA), [87][88][89] e ainda os dispositivos de poliéster (Pe) [41][42][43]45,77,[90][91][92] e dispositivos de papel. [93][94][95][96][97][98][99] Os dispositivos de vidro possuem grande resistência ao ataque químico, possibilitando sua aplicação em aplicações que requerem o uso de ácidos fortes e outros agentes corrosivos, 76 além disso possui ótimas propriedades ópticas para diferentes aplicações.…”
Section: Materiais E Tecnologias De Microfabricaçãounclassified
“…98,116 Trabalhos recentes têm demonstrado a utilização de fitas dupla face 71,116 28 Portanto, como já mencionado, a tecnologia de extração mais utilizada em microdispositivos baseia-se no uso de meios sólidos (SPE), explorando suas variações e diferentes substratos na produção dos dispositivos. 23,34,36,84,87 Dentre elas, muitos trabalhos utilizam o preenchimento com micropartículas, o que requer, no entanto, a utilização de bombas seringas para movimentação da amostra pelo meio. 45,84 Com isso, a utilização de partículas sólidas livres em solução apresentam vantagens quando miniaturizada, como no caso da extração em fase sólida dinâmica (dSPE).…”
Section: Materiais E Tecnologias De Microfabricaçãounclassified