2013
DOI: 10.1016/j.snb.2013.06.036
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Chemical synthesis and sensing in inexpensive thread-based microdevices

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Cited by 39 publications
(33 citation statements)
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“…Li et al conducted a semi-quantitative assay of NO 2 À on stitches of an indicatortreated cotton thread sewn into a polymer film support. They used a desk top scanner to convert the assay results into electronic images and measured the colour density of the stitches of thread and established calibration curves using serially diluted NO 2 À solutions (0, 125, 250, Treatments for increasing hydrophilicity Plasma oxidation 4 Plasma oxidation 30 Boiling 7 Mercerization 6 Washing with sodium carbonate 8 As received 36 Boiling in sodium carbonate (1.5 wt%) and hand soap solution 24 Treatment toward increasing hydrophobicity Mixing ratio controller 5 On/Off switch 18 Human body fluid (simulated/real) Urine 6,8 Whole blood 30,36 Blood plasma 36 Sweat 24,34 Blood plasma 36 …”
Section: Diagnostic and Synthetic Applicationsmentioning
confidence: 99%
See 1 more Smart Citation
“…Li et al conducted a semi-quantitative assay of NO 2 À on stitches of an indicatortreated cotton thread sewn into a polymer film support. They used a desk top scanner to convert the assay results into electronic images and measured the colour density of the stitches of thread and established calibration curves using serially diluted NO 2 À solutions (0, 125, 250, Treatments for increasing hydrophilicity Plasma oxidation 4 Plasma oxidation 30 Boiling 7 Mercerization 6 Washing with sodium carbonate 8 As received 36 Boiling in sodium carbonate (1.5 wt%) and hand soap solution 24 Treatment toward increasing hydrophobicity Mixing ratio controller 5 On/Off switch 18 Human body fluid (simulated/real) Urine 6,8 Whole blood 30,36 Blood plasma 36 Sweat 24,34 Blood plasma 36 …”
Section: Diagnostic and Synthetic Applicationsmentioning
confidence: 99%
“…36 Besides the many different instances of colorimetric detections on thread, Wei et al developed a method of electrophoretic separation and electrochemical detection of ion samples using thread. In their study, plasma treated and untreated polyester threads were affixed on a PMMA chip using protruding sleeper structures.…”
Section: -13mentioning
confidence: 99%
“…Thread refers to thin strand of cotton, nylon, or other fibers and the wicking property of which facilitates the fluidic flow without using an external pumping system. There are a few reports demonstrating the capacity of threadbased microfluidics to be used in electrochemical detection Caetano et al, 2018;Carneiro et al, 2018;Song et al, 2017), electrochemiluminescence detection Liu et al, 2016), chemical sensing and synthesize (Banerjee et al, 2013;Cabot et al, 2018;Erenas et al, 2016;Li et al, 2017), immunochromatographic assays Liu et al, 2017;Meng et al, 2017;Seth et al, 2018;Zhou et al, 2012), capillary electrophoresis electrochemical (CE-EC) detection Wei et al, 2012), pH sensing (Lyu et al, 2018;Punjiya et al, 2017) and cell culture . Therefore, no hydrophobic barriers are required for the formation of microchannels, neither the mechanical pumps for the transportation of solutions.…”
Section: Introductionmentioning
confidence: 99%
“…Various paper channel fabrication techniques, such as photolithography, 3 printing, 7-10 oxygen plasma and laser treatment 11,12 are extensively employed. [20][21][22][23][24][25][26][27][28] Taking advantage of their greater tensile strength and better flexibility, threads allow easy channel fabrication since it is unnecessary to pattern hydrophobic barriers, in particular for 3D structures. 13,14 Colorimetric, 3,15 electrochemical, 16 electrochemiluminescent, 17 chemiluminescent, 18 and mass spectrometric 19 techniques are employed for μPADs signal acquisition.…”
Section: Introductionmentioning
confidence: 99%
“…21,22,29 These advantages also allow μTADs to realize some interesting improvements, including better control of the mixing and splitting of fluids by knotting or twisting threads, the timing of reactions by on/off style switches, and the accurate localization of detection zones. 24,28,31 Moreover, the insufficient passive mixing of sample and reagent by capillary flow is also regarded as a factor leading to the limited reproducibility. 32 Pump-free low-cost platforms are state-of-art designs in terms of their minimal/no power consumption, easy fabrication, and better acceptance from both academics and industry.…”
Section: Introductionmentioning
confidence: 99%