M. Dabrowski, M. Cieplaka, P. Sindhu Sharma, P. Borowicz, K. Noworyta, W. Lisowski, F. D'Souza, A. Kuhn, W. Kutner

Biosens.&Bioelectron. 2017, 94, 155-161

Nanostructured artificial receptor materials with unprecedented hierarchical structure for determination of human serum albumin (HSA) are designed and fabricated. For that purpose a new hierarchical template is prepared. This template allowed for simultaneous structural control of the deposited molecularly imprinted polymer (MIP) film on three length scales. A colloidal crystal templating with optimized electrochemical polymerization of 2,3′-bithiophene enables deposition of an MIP film in the form of an inverse opal. Thickness of the deposited polymer film is precisely controlled with the number of current oscillations during potentiostatic deposition of the imprinted poly(2,3′-bithiophene) film. Prior immobilization of HSA on the colloidal crystal allows formation of molecularly imprinted cavities exclusively on the internal surface of the pores. Furthermore, all binding sites are located on the surface of the imprinted cavities at locations corresponding to positions of functional groups present on the surface of HSA molecules due to prior derivatization of HSA molecules with appropriate functional monomers. This synergistic strategy results in a material with superior recognition performance. Integration of the MIP film as a recognition unit with a sensitive extended-gate field-effect transistor (EG-FET) transducer leads to highly selective HSA determination in the femtomolar concentration range.

2017-04

Thumbnail Dezest M., Bulteau A.L., Quinton D., Chavatte L., Le Béchec M., Arbault S., Salvayre A.N., Cousty S., Clément F. PLOS One, 2017, 12(3) Cold atmospheric pressure plasmas (CAPPs) are known to have...
Thumbnail C. Wattanakit, T. Yutthalekha, S. Asssavapanumat, V. Lapeyre, A. Kuhn Nature Comm. 2017, 8, 2087 see also CNRS press release Asymmetric synthesis of molecules is of crucial importance to obtain...
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Thumbnail V. Eßmann, S. Voci, G. Loget, N. Sojic, W. Schuhmann, A. Kuhn J. Phys. Chem. Lett. 2017,8, 4930–4934   Bipolar electrochemistry has been shown to enable and control various kinds of propulsion of...
Thumbnail Guangnan Meng, Vinothan N. Manoharan and Adeline Perro Soft Matter, 2017,13, 6293-6296 We design polystyrene–poly(N′-isopropylacrylamide-co-acrylic acid) core–shell particles that exhibit...
Thumbnail J. Gao, S. Chen, F. AlTal, S. Hu, L. Bouffier, G. Wantz.  ACS Appl. Mater. Interfaces, 2017, 9, 32405–32410.  A linear array of aluminum discs is deposited between the driving electrodes of an...
Thumbnail B. Gupta, B. Goudeau, A. Kuhn Angew.Chem. Int. Ed. 2017, 56, 14183-14186 see also Highlight in Chemistry Views and CNRS press release Electrochemical actuation of conducting polymers usually...
Thumbnail Z. Ali Fattah, L. Bouffier, A. Kuhn Applied Materials Today 2017, 9, 259–265, COVER Self-propelled micro/nanoswimmers performing directional motion are of great potential nowadays in the frame of...
Thumbnail T.D. Le, D. Lasseux, X.P. Nguyen, G. Vignoles, N. Mano, A. Kuhn Chemical Engineering Science 2017, 173, 153–167 A multi-scale model of diffusion/reaction at play in a porous electrode is developed...
Thumbnail M. Dabrowski, M. Cieplak, K. Noworyta, M. Heim, W. Adamkiewicz, A. Kuhn, P. S. Sharma, W. Kutner J. Mater. Chem. B, 2017,5, 6292-6299 Molecular imprinting in polymers leads, among others, to...
Thumbnail L. Bouffier, T. Doneux.  Current Opinion in Electrochemistry, DOI: 10.1016/j.coelec.2017.06.015. Electrochemistry and fluorescence microscopy are two complementary transduction techniques that offer synergetic...
Thumbnail G. Di Martino,V. A. Turek,  A. Lombardi, I.  Szabó, B. de Nijs,  A. Kuhn, E. Rosta, J.J. Baumberg Nano Lett. 2017, 17, 4840-4845 We study in real time the optical response of individual plasmonic...
Thumbnail Rémy Bois, Sabina Scarabino, Valérie Ravaine, Neso Sojic Langmuir, 2017, DOI: 10.1021/acs.langmuir.7b01585 We describe a method to confine electrochemiluminescence (ECL) at the oil-water interface of emulsion...
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Thumbnail A. G. Mark, E. Suraniti, J. Roche, H. Richter, A. Kuhn, N. Mano, P. Fischer Lab Chip, 2017, 17, 1761 HOT PAPER see also CNRS press release A variety of diagnostic and therapeutic medical...
Thumbnail I. Malytska, C. Mézière, M. Keilar, L. Hirsch, G. Wantz, N. Avarvari, A. Kuhn, L. Bouffier. Journal of Physical Chemistry C 2017, 121, 12921-12927.   Bipolar electrochemistry has recently emerged as a very...
Thumbnail L. Bouffier, S. Reculusa, V. Ravaine, A. Kuhn. ChemPhysChem 2017, 18, 2637-2642.   A new simple and versatile method for the preparation of surface wetting gradients is proposed. It is based on the...
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