General Liquid-crystal droplets produced by microfluidics for urea detection

Sensors and Actuators, B: Chemical

Volumn 202, Issue , 2014, Pages 516-522

  Khan, Mashooq ^a   Park, Soo Young ^a  

^a Kyungpook National University   (South Korea)

Author keywords

5CB; Biosensor; Liquid crystal; PAA; Urea; Urease

Indexed keywords

BIOSENSORS; DROPS; LIQUID CRYSTALS; METABOLISM; MICROFLUIDICS;

5CB; CROSSED POLARIZERS; DETECTION LIMITS; LIQUID-CRYSTAL DROPLETS; PAA; POLARIZED OPTICAL MICROSCOPY; UREASE; VISUAL DETECTION;

UREA;

EID: 84903121215     PISSN: 09254005     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.snb.2014.05.115     Document Type: Article

References (38)

1. M.A.M. Gijs, F. Lacharme, and U. Lehmann Microfluidic applications of magnetic particles for biological analysis and catalysis Chem. Rev. 110 2009 1518 1563
2. H. Jiang, X. Weng, and D. Li Microfluidic whole-blood immunoassays Microfluid. Nanofluid. 10 2011 941 964
3. S. Jeon, U. Kim, W. Jeon, C. Shin, S. Hong, and I. Choi et al. Fabrication of multicomponent protein microarrays with microfluidic devices of poly(dimethylsiloxane) Macromol. Res. 17 2009 192 196
4. C.-H. Choi, J.-H. Jung, T.-S. Hwang, and C.-S. Lee In situ microfluidic synthesis of monodisperse PEG microspheres Macromol. Res. 17 2009 163 167
5. W.R. Rodriguez, N. Christodoulides, P.N. Floriano, S. Graham, S. Mohanty, and M. Dixon et al. A microchip CD4 counting method for HIV monitoring in resource-poor settings PLoS Med. 2 2005 e182
6. W. Vercoutere, and M. Akeson Biosensors for DNA sequence detection Curr. Opin. Chem. Biol. 6 2002 816 822
7. V. Gubala, L.F. Harris, A.J. Ricco, M.X. Tan, and D.E. Williams Point of care diagnostics: status and future Anal. Chem. 84 2011 487 515
8. J. Kim, M. Khan, and S.-Y. Park Glucose sensor using liquid-crystal droplets made by microfluidics ACS Appl. Mater. Interfaces 5 2013 13135 13139
9. V. Srinivasan, V.K. Pamula, and R.B. Fair Droplet-based microfluidic lab-on-a-chip for glucose detection Anal. Chim. Acta 507 2004 145 150
10. W. Khan, J.H. Choi, G.M. Kimb, and S.Y. Park Microfluidic formation of pH responsive 5CB droplets decorated with PAA-b-LCP Lab Chip 11 2011 3493 3498
11. D.S. Miller, and N.L. Abbott Influence of droplet size, pH and ionic strength on endotoxin-triggered ordering transitions in liquid crystalline droplet Soft Matter 9 2013 374 382
12. R.J. Carlton, J.T. Hunter, D.S. Miller, R. Abbasi, P.C. Mushenheim, and L.N. Tan et al. Chemical and biological sensing using liquid crystals Liq. Cryst. Rev. 1 2013 29 51
13. V.K. Gupta, J.J. Skaife, T.B. Dubrovsky, and N.L. Abbott Optical amplification of ligand-receptor binding using liquid crystals Science 279 1998 2077 2080
14. W. Khan, J.-M. Seo, and S.Y. Park Synthesis and micellization of a novel diblock copolymer of poly(N-isopropylacrylamide)-b-SGLCP and its application in stability of 5CB droplets in aqueous medium Soft Matter 7 2011 780 787
15. J.M. Seo, W. Khan, and S.-Y. Park Protein detection using aqueous/LC interfaces decorated with a novel polyacrylic acid block liquid crystalline polymer Soft Matter 8 2012 198 203
16. J.M. Brake, M.K. Daschner, Y.Y. Luk, and N.L. Abbott Biomolecular interactions at phospholipid-decorated surfaces of liquid crystals Science 302 2003 2094 2097
17. J.M. Brake, A.D. Mezera, and N.L. Abbott Effect of surfactant structure on the orientation of liquid crystals at aqueous-liquid crystal interfaces Langmuir 19 2003 6436 6442
18. Y.-Y. Luk, and N.L. Abbott Applications of functional surfactants Curr. Opin. Colloid Interface Sci. 7 2002 267 275
19. M.I. Kinsinger, M.E. Buck, N.L. Abbot, and D.M. Lynn Immobilization of polymer-decorated liquid crystal droplets on chemically tailored surfaces Langmuir 26 2010 10234 10242
20. M.I. Kinsinger, M.E. Buck, M.-V. Meli, N.L. Abbott, and D.M. Lynn Langmuir films of flexible polymers transferred to aqueous/liquid crystal interfaces induce uniform azimuthal alignment of the liquid crystal J. Colloid Interface Sci. 341 2010 124 135
21. M.I. Kinsinger, B. Sun, N.L. Abbott, and D.M. Lynn Reversible control of ordering transitions at aqueous/liquid crystal interfaces using functional amphiphilic polymers Adv. Mater. 19 2007 4208 4212
22. D.Y. Lee, J.M. Seo, W. Khan, J.A. Kornfield, Z. Kurjib, and S.Y. Park pH-responsive aqueous/LC interfaces using SGLCP-b-polyacrylic acid block copolymers Soft Matter 6 2010 1964 1970
23. O.O. Prischepa, A.V. Shabanov, and V.Y. Zyryanov Transformation of director configuration upon changing boundary conditions in droplets of nematic liquid crystal J. Exp. Theor. Phys. Lett. 79 2004 257 261
24. G.E. Volovik, and O.D. Lavrentovich Topological dynamics of defects: boojums in nematic drops Zh. Eksp. Teor. Fiz. 85 1983 1997 2010
25. X. Bi, D. Hartono, and K.-L. Yang Real-time liquid crystal pH sensor for monitoring enzymatic activities of penicillinase Adv. Funct. Mater. 19 2009 3760 3765
26. İ. Bozgeyik, M. Şenel, E. Çevik, and M.F. AbasIyanIk A novel thin film amperometric urea biosensor based on urease-immobilized on poly(N-glycidylpyrrole-co-pyrrole) Curr. Appl. Phys. 11 2011 1083 1088
27. W.-J. Cho, and H.-J. Huang An amperometric urea biosensor based on a polyaniline-perfluorosulfonated ionomer composite electrode Anal. Chem. 70 1998 3946 3951
28. G.G. Guilbault, and G. Nagy Improved urea electrode Anal. Chem. 45 1973 417 419
29. Q.-Z. Hu, and C.-H. Jang Liquid crystal-based sensors for the detection of heavy metals using surface-immobilized urease Colloids Surf., B: Biointerfaces 88 2011 622 626
30. K.M.R. Kallury, W.E. Lee, and M. Thompson Enhancement of the thermal and storage stability of urease by covalent attachment to phospholipid-bound silica Anal. Chem. 64 1992 1062 1068
31. W.-Y. Lee, S.-R. Kim, T.-H. Kim, K.S. Lee, M.-C. Shin, and J.-K. Park Sol-gel-derived thick-film conductometric biosensor for urea determination in serum Anal. Chim. Acta 404 2000 195 203
32. Z. Wu, L. Guan, G. Shen, and R. Yu Renewable urea sensor based on a self-assembled polyelectrolyte layer Analyst 127 2002 391 395
33. A.F. Chaffotte, Y. Guillou, and M.E. Goldberg Kinetic resolution of peptide bond and side chain far-UV circular dichroism during the folding of hen egg white lysozyme Biochemistry 31 1992 9694 9702
34. M. Khan, and S.-Y. Park Liquid crystal-based proton sensitive glucose biosensor Anal. Chem. 86 2014 1493 1501
35. R. Dong, M. Lindau, and C.K. Ober Dissociation behavior of weak polyelectrolyte brushes on a planar surface Langmuir 25 2009 4774 4779
36. R.J. Carlton, J.K. Gupta, C.L. Swift, and N.L. Abbott Influence of simple electrolytes on the orientational ordering of thermotropic liquid crystals at aqueous interfaces Langmuir 28 2012 31 36
37. V.G. Nazarenko, and O.D. Lavrentovich Anchoring transition in a nematic liquid crystal composed of centrosymmetric molecules Phys. Rev. E: Stat. Nonlinear Soft Matter Phys. 49 1994 R990 R993
38. T.W. Meyer, T.H. Hostetter, and Uremia N. Engl. J. Med. 357 2007 1316 1325