Abstract

Inspecting biological cells with bright-field light microscopy often engenders a challenge, owing to their optical transparency. We show that imaging contrast can be greatly enhanced as yeast cells are placed on a silver nanoparticle array. Its near- and far-field traits, revealed by electrodynamic simulations, illustrate that the enhancement is attributed to the sensitivity of its plasmonic characteristics to the attached cells. This study demonstrates that the silver nanoparticle array can serve as the agent for concurrently enhancing Raman scattering and imaging contrast of microorganisms for identification and examination.

© 2014 Optical Society of America

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    [CrossRef]
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  7. T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
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2013 (2)

T.-Y. Cheng, H.-H. Wang, S.-H. Chang, J.-Y. Chu, J.-H. Lee, Y.-L. Wang, J.-K. Wang, Phys. Chem. Chem. Phys. 15, 4275 (2013).
[CrossRef]

S. Eckhardt, P. S. Brunetto, J. Gagnon, M. Priebe, B. Giese, K. M. Fromm, Chem. Rev. 113, 4708 (2013).
[CrossRef]

2011 (3)

T.-Y. Liu, K.-T. Tsai, H.-H. Wang, Y. Chen, Y.-H. Chen, Y.-C. Chao, H.-H. Chang, C.-H. Lin, J.-K. Wang, Y.-L. Wang, Nat. Commun. 2, 538 (2011).
[CrossRef]

H.-H. Wang, T.-Y. Cheng, P. Sharma, F.-Y. Chiang, S. W.-Y. Chiu, J.-K. Wang, Y.-L. Wang, Nanotechnology 22, 385702 (2011).
[CrossRef]

W. Wang, K. Foley, X. M. Shan, S. P. Wang, S. Eaton, V. J. Nagaraj, P. Wiktor, U. Patel, N. J. Tao, Nat. Chem. 3, 249 (2011).
[CrossRef]

2010 (3)

S.-H. Chang, B.-Y. Lin, T.-Y. Cheng, J.-K. Wang, Phys. Status Solidi RRL 4, 259 (2010).
[CrossRef]

S. M. George, Chem. Rev. 110, 111 (2010).
[CrossRef]

S. P. Wang, X. N. Shan, U. Patel, X. P. Huang, J. Lu, J. H. Li, N. J. Tao, Proc. Natl. Acad. Sci. USA 107, 16028 (2010).
[CrossRef]

2009 (3)

T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
[CrossRef]

Z. Ma, K. Ogusu, Opt. Commun. 282, 1322 (2009).
[CrossRef]

B.-Y. Lin, H.-C. Hsu, C.-H. Teng, H.-C. Chang, J.-K. Wang, Y.-L. Wang, Opt. Express 17, 14211 (2009).
[CrossRef]

2008 (1)

2007 (2)

2006 (1)

H.-H. Wang, C.-Y. Liu, S.-B. Wu, N.-W. Liu, C.-Y. Peng, T.-H. Chan, C.-F. Hsu, J.-K. Wang, Y.-L. Wang, Adv. Mater. 18, 491 (2006).
[CrossRef]

1991 (1)

S. E. D’Souza, M. H. Ginsberg, E. F. Plow, Trends Biochem. Sci. 16, 246 (1991).
[CrossRef]

1988 (1)

B. Rothenhausler, W. Knoll, Nature 332, 615 (1988).
[CrossRef]

1973 (1)

S. M. Passmore, J. Inst. Brew. 79, 237 (1973).
[CrossRef]

Backhouse, C.

Biring, S.

Brongersma, M. L.

M. L. Brongersma, P. G. Kik, Surface Plasmon Nanophotonics (Springer-Verlag, 2007).

Brunetto, P. S.

S. Eckhardt, P. S. Brunetto, J. Gagnon, M. Priebe, B. Giese, K. M. Fromm, Chem. Rev. 113, 4708 (2013).
[CrossRef]

Capjack, C.

Chan, T.-H.

H.-H. Wang, C.-Y. Liu, S.-B. Wu, N.-W. Liu, C.-Y. Peng, T.-H. Chan, C.-F. Hsu, J.-K. Wang, Y.-L. Wang, Adv. Mater. 18, 491 (2006).
[CrossRef]

Chang, H.-C.

Chang, H.-H.

T.-Y. Liu, K.-T. Tsai, H.-H. Wang, Y. Chen, Y.-H. Chen, Y.-C. Chao, H.-H. Chang, C.-H. Lin, J.-K. Wang, Y.-L. Wang, Nat. Commun. 2, 538 (2011).
[CrossRef]

Chang, S.-H.

T.-Y. Cheng, H.-H. Wang, S.-H. Chang, J.-Y. Chu, J.-H. Lee, Y.-L. Wang, J.-K. Wang, Phys. Chem. Chem. Phys. 15, 4275 (2013).
[CrossRef]

S.-H. Chang, B.-Y. Lin, T.-Y. Cheng, J.-K. Wang, Phys. Status Solidi RRL 4, 259 (2010).
[CrossRef]

Chao, Y.-C.

T.-Y. Liu, K.-T. Tsai, H.-H. Wang, Y. Chen, Y.-H. Chen, Y.-C. Chao, H.-H. Chang, C.-H. Lin, J.-K. Wang, Y.-L. Wang, Nat. Commun. 2, 538 (2011).
[CrossRef]

Chen, Y.

T.-Y. Liu, K.-T. Tsai, H.-H. Wang, Y. Chen, Y.-H. Chen, Y.-C. Chao, H.-H. Chang, C.-H. Lin, J.-K. Wang, Y.-L. Wang, Nat. Commun. 2, 538 (2011).
[CrossRef]

T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
[CrossRef]

Chen, Y.-H.

T.-Y. Liu, K.-T. Tsai, H.-H. Wang, Y. Chen, Y.-H. Chen, Y.-C. Chao, H.-H. Chang, C.-H. Lin, J.-K. Wang, Y.-L. Wang, Nat. Commun. 2, 538 (2011).
[CrossRef]

Cheng, T.-Y.

T.-Y. Cheng, H.-H. Wang, S.-H. Chang, J.-Y. Chu, J.-H. Lee, Y.-L. Wang, J.-K. Wang, Phys. Chem. Chem. Phys. 15, 4275 (2013).
[CrossRef]

H.-H. Wang, T.-Y. Cheng, P. Sharma, F.-Y. Chiang, S. W.-Y. Chiu, J.-K. Wang, Y.-L. Wang, Nanotechnology 22, 385702 (2011).
[CrossRef]

S.-H. Chang, B.-Y. Lin, T.-Y. Cheng, J.-K. Wang, Phys. Status Solidi RRL 4, 259 (2010).
[CrossRef]

Chiang, F.-Y.

H.-H. Wang, T.-Y. Cheng, P. Sharma, F.-Y. Chiang, S. W.-Y. Chiu, J.-K. Wang, Y.-L. Wang, Nanotechnology 22, 385702 (2011).
[CrossRef]

Chiu, S. W.-Y.

H.-H. Wang, T.-Y. Cheng, P. Sharma, F.-Y. Chiang, S. W.-Y. Chiu, J.-K. Wang, Y.-L. Wang, Nanotechnology 22, 385702 (2011).
[CrossRef]

Chu, J.-Y.

T.-Y. Cheng, H.-H. Wang, S.-H. Chang, J.-Y. Chu, J.-H. Lee, Y.-L. Wang, J.-K. Wang, Phys. Chem. Chem. Phys. 15, 4275 (2013).
[CrossRef]

D’Souza, S. E.

S. E. D’Souza, M. H. Ginsberg, E. F. Plow, Trends Biochem. Sci. 16, 246 (1991).
[CrossRef]

Eaton, S.

W. Wang, K. Foley, X. M. Shan, S. P. Wang, S. Eaton, V. J. Nagaraj, P. Wiktor, U. Patel, N. J. Tao, Nat. Chem. 3, 249 (2011).
[CrossRef]

Eckhardt, S.

S. Eckhardt, P. S. Brunetto, J. Gagnon, M. Priebe, B. Giese, K. M. Fromm, Chem. Rev. 113, 4708 (2013).
[CrossRef]

Foley, K.

W. Wang, K. Foley, X. M. Shan, S. P. Wang, S. Eaton, V. J. Nagaraj, P. Wiktor, U. Patel, N. J. Tao, Nat. Chem. 3, 249 (2011).
[CrossRef]

Fromm, K. M.

S. Eckhardt, P. S. Brunetto, J. Gagnon, M. Priebe, B. Giese, K. M. Fromm, Chem. Rev. 113, 4708 (2013).
[CrossRef]

Gagnon, J.

S. Eckhardt, P. S. Brunetto, J. Gagnon, M. Priebe, B. Giese, K. M. Fromm, Chem. Rev. 113, 4708 (2013).
[CrossRef]

George, S. M.

S. M. George, Chem. Rev. 110, 111 (2010).
[CrossRef]

Giese, B.

S. Eckhardt, P. S. Brunetto, J. Gagnon, M. Priebe, B. Giese, K. M. Fromm, Chem. Rev. 113, 4708 (2013).
[CrossRef]

Ginsberg, M. H.

S. E. D’Souza, M. H. Ginsberg, E. F. Plow, Trends Biochem. Sci. 16, 246 (1991).
[CrossRef]

Hagness, S. C.

A. Taflove, S. C. Hagness, Computational Electrodynamics: The Finite-Difference Time-Domain Method, 3rd ed. (Artech House, Norwood, 2005).

Hsu, C.-F.

H.-H. Wang, C.-Y. Liu, S.-B. Wu, N.-W. Liu, C.-Y. Peng, T.-H. Chan, C.-F. Hsu, J.-K. Wang, Y.-L. Wang, Adv. Mater. 18, 491 (2006).
[CrossRef]

Hsu, H.-C.

Huang, B.

B. Huang, F. Yu, R. N. Zare, Anal. Chem. 79, 2979 (2007).
[CrossRef]

Huang, X. P.

S. P. Wang, X. N. Shan, U. Patel, X. P. Huang, J. Lu, J. H. Li, N. J. Tao, Proc. Natl. Acad. Sci. USA 107, 16028 (2010).
[CrossRef]

Huang, Y.-C.

T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
[CrossRef]

Hung, C.-S.

T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
[CrossRef]

Kao, F. J.

P. Torok, F. J. Kao, Optical Imaging and Microscopy (Springer-Verlag, 2003).

Kik, P. G.

M. L. Brongersma, P. G. Kik, Surface Plasmon Nanophotonics (Springer-Verlag, 2007).

Knoll, W.

B. Rothenhausler, W. Knoll, Nature 332, 615 (1988).
[CrossRef]

Lee, J.-H.

T.-Y. Cheng, H.-H. Wang, S.-H. Chang, J.-Y. Chu, J.-H. Lee, Y.-L. Wang, J.-K. Wang, Phys. Chem. Chem. Phys. 15, 4275 (2013).
[CrossRef]

Li, J. H.

S. P. Wang, X. N. Shan, U. Patel, X. P. Huang, J. Lu, J. H. Li, N. J. Tao, Proc. Natl. Acad. Sci. USA 107, 16028 (2010).
[CrossRef]

Lin, B.-Y.

S.-H. Chang, B.-Y. Lin, T.-Y. Cheng, J.-K. Wang, Phys. Status Solidi RRL 4, 259 (2010).
[CrossRef]

B.-Y. Lin, H.-C. Hsu, C.-H. Teng, H.-C. Chang, J.-K. Wang, Y.-L. Wang, Opt. Express 17, 14211 (2009).
[CrossRef]

Lin, C.-H.

T.-Y. Liu, K.-T. Tsai, H.-H. Wang, Y. Chen, Y.-H. Chen, Y.-C. Chao, H.-H. Chang, C.-H. Lin, J.-K. Wang, Y.-L. Wang, Nat. Commun. 2, 538 (2011).
[CrossRef]

T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
[CrossRef]

Lin, Y.-H.

T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
[CrossRef]

Liu, C.-Y.

H.-H. Wang, C.-Y. Liu, S.-B. Wu, N.-W. Liu, C.-Y. Peng, T.-H. Chan, C.-F. Hsu, J.-K. Wang, Y.-L. Wang, Adv. Mater. 18, 491 (2006).
[CrossRef]

Liu, N.-W.

H.-H. Wang, C.-Y. Liu, S.-B. Wu, N.-W. Liu, C.-Y. Peng, T.-H. Chan, C.-F. Hsu, J.-K. Wang, Y.-L. Wang, Adv. Mater. 18, 491 (2006).
[CrossRef]

Liu, T.-J.

T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
[CrossRef]

Liu, T.-T.

T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
[CrossRef]

Liu, T.-Y.

T.-Y. Liu, K.-T. Tsai, H.-H. Wang, Y. Chen, Y.-H. Chen, Y.-C. Chao, H.-H. Chang, C.-H. Lin, J.-K. Wang, Y.-L. Wang, Nat. Commun. 2, 538 (2011).
[CrossRef]

Lu, J.

S. P. Wang, X. N. Shan, U. Patel, X. P. Huang, J. Lu, J. H. Li, N. J. Tao, Proc. Natl. Acad. Sci. USA 107, 16028 (2010).
[CrossRef]

Ma, Z.

Z. Ma, K. Ogusu, Opt. Commun. 282, 1322 (2009).
[CrossRef]

Nagaraj, V. J.

W. Wang, K. Foley, X. M. Shan, S. P. Wang, S. Eaton, V. J. Nagaraj, P. Wiktor, U. Patel, N. J. Tao, Nat. Chem. 3, 249 (2011).
[CrossRef]

Ogusu, K.

Z. Ma, K. Ogusu, Opt. Commun. 282, 1322 (2009).
[CrossRef]

Passmore, S. M.

S. M. Passmore, J. Inst. Brew. 79, 237 (1973).
[CrossRef]

Patel, U.

W. Wang, K. Foley, X. M. Shan, S. P. Wang, S. Eaton, V. J. Nagaraj, P. Wiktor, U. Patel, N. J. Tao, Nat. Chem. 3, 249 (2011).
[CrossRef]

S. P. Wang, X. N. Shan, U. Patel, X. P. Huang, J. Lu, J. H. Li, N. J. Tao, Proc. Natl. Acad. Sci. USA 107, 16028 (2010).
[CrossRef]

Peng, C.-Y.

H.-H. Wang, C.-Y. Liu, S.-B. Wu, N.-W. Liu, C.-Y. Peng, T.-H. Chan, C.-F. Hsu, J.-K. Wang, Y.-L. Wang, Adv. Mater. 18, 491 (2006).
[CrossRef]

Plow, E. F.

S. E. D’Souza, M. H. Ginsberg, E. F. Plow, Trends Biochem. Sci. 16, 246 (1991).
[CrossRef]

Priebe, M.

S. Eckhardt, P. S. Brunetto, J. Gagnon, M. Priebe, B. Giese, K. M. Fromm, Chem. Rev. 113, 4708 (2013).
[CrossRef]

Rothenhausler, B.

B. Rothenhausler, W. Knoll, Nature 332, 615 (1988).
[CrossRef]

Rozmus, W.

Shan, X. M.

W. Wang, K. Foley, X. M. Shan, S. P. Wang, S. Eaton, V. J. Nagaraj, P. Wiktor, U. Patel, N. J. Tao, Nat. Chem. 3, 249 (2011).
[CrossRef]

Shan, X. N.

S. P. Wang, X. N. Shan, U. Patel, X. P. Huang, J. Lu, J. H. Li, N. J. Tao, Proc. Natl. Acad. Sci. USA 107, 16028 (2010).
[CrossRef]

Sharma, P.

H.-H. Wang, T.-Y. Cheng, P. Sharma, F.-Y. Chiang, S. W.-Y. Chiu, J.-K. Wang, Y.-L. Wang, Nanotechnology 22, 385702 (2011).
[CrossRef]

Su, X.-T.

Taflove, A.

A. Taflove, S. C. Hagness, Computational Electrodynamics: The Finite-Difference Time-Domain Method, 3rd ed. (Artech House, Norwood, 2005).

Tao, N. J.

W. Wang, K. Foley, X. M. Shan, S. P. Wang, S. Eaton, V. J. Nagaraj, P. Wiktor, U. Patel, N. J. Tao, Nat. Chem. 3, 249 (2011).
[CrossRef]

S. P. Wang, X. N. Shan, U. Patel, X. P. Huang, J. Lu, J. H. Li, N. J. Tao, Proc. Natl. Acad. Sci. USA 107, 16028 (2010).
[CrossRef]

Teng, C.-H.

Torok, P.

P. Torok, F. J. Kao, Optical Imaging and Microscopy (Springer-Verlag, 2003).

Tsai, K.-T.

T.-Y. Liu, K.-T. Tsai, H.-H. Wang, Y. Chen, Y.-H. Chen, Y.-C. Chao, H.-H. Chang, C.-H. Lin, J.-K. Wang, Y.-L. Wang, Nat. Commun. 2, 538 (2011).
[CrossRef]

Tsai, T.-H.

T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
[CrossRef]

Wang, D.-W.

T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
[CrossRef]

Wang, H.-H.

T.-Y. Cheng, H.-H. Wang, S.-H. Chang, J.-Y. Chu, J.-H. Lee, Y.-L. Wang, J.-K. Wang, Phys. Chem. Chem. Phys. 15, 4275 (2013).
[CrossRef]

H.-H. Wang, T.-Y. Cheng, P. Sharma, F.-Y. Chiang, S. W.-Y. Chiu, J.-K. Wang, Y.-L. Wang, Nanotechnology 22, 385702 (2011).
[CrossRef]

T.-Y. Liu, K.-T. Tsai, H.-H. Wang, Y. Chen, Y.-H. Chen, Y.-C. Chao, H.-H. Chang, C.-H. Lin, J.-K. Wang, Y.-L. Wang, Nat. Commun. 2, 538 (2011).
[CrossRef]

T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
[CrossRef]

S. Biring, H.-H. Wang, J.-K. Wang, Y.-L. Wang, Opt. Express 16, 15312 (2008).
[CrossRef]

H.-H. Wang, C.-Y. Liu, S.-B. Wu, N.-W. Liu, C.-Y. Peng, T.-H. Chan, C.-F. Hsu, J.-K. Wang, Y.-L. Wang, Adv. Mater. 18, 491 (2006).
[CrossRef]

Wang, J.-K.

T.-Y. Cheng, H.-H. Wang, S.-H. Chang, J.-Y. Chu, J.-H. Lee, Y.-L. Wang, J.-K. Wang, Phys. Chem. Chem. Phys. 15, 4275 (2013).
[CrossRef]

H.-H. Wang, T.-Y. Cheng, P. Sharma, F.-Y. Chiang, S. W.-Y. Chiu, J.-K. Wang, Y.-L. Wang, Nanotechnology 22, 385702 (2011).
[CrossRef]

T.-Y. Liu, K.-T. Tsai, H.-H. Wang, Y. Chen, Y.-H. Chen, Y.-C. Chao, H.-H. Chang, C.-H. Lin, J.-K. Wang, Y.-L. Wang, Nat. Commun. 2, 538 (2011).
[CrossRef]

S.-H. Chang, B.-Y. Lin, T.-Y. Cheng, J.-K. Wang, Phys. Status Solidi RRL 4, 259 (2010).
[CrossRef]

B.-Y. Lin, H.-C. Hsu, C.-H. Teng, H.-C. Chang, J.-K. Wang, Y.-L. Wang, Opt. Express 17, 14211 (2009).
[CrossRef]

T.-T. Liu, Y.-H. Lin, C.-S. Hung, T.-J. Liu, Y. Chen, Y.-C. Huang, T.-H. Tsai, H.-H. Wang, D.-W. Wang, J.-K. Wang, Y.-L. Wang, C.-H. Lin, PLoS ONE 4, e5470 (2009).
[CrossRef]

S. Biring, H.-H. Wang, J.-K. Wang, Y.-L. Wang, Opt. Express 16, 15312 (2008).
[CrossRef]

H.-H. Wang, C.-Y. Liu, S.-B. Wu, N.-W. Liu, C.-Y. Peng, T.-H. Chan, C.-F. Hsu, J.-K. Wang, Y.-L. Wang, Adv. Mater. 18, 491 (2006).
[CrossRef]

Wang, S. P.

W. Wang, K. Foley, X. M. Shan, S. P. Wang, S. Eaton, V. J. Nagaraj, P. Wiktor, U. Patel, N. J. Tao, Nat. Chem. 3, 249 (2011).
[CrossRef]

S. P. Wang, X. N. Shan, U. Patel, X. P. Huang, J. Lu, J. H. Li, N. J. Tao, Proc. Natl. Acad. Sci. USA 107, 16028 (2010).
[CrossRef]

Wang, W.

W. Wang, K. Foley, X. M. Shan, S. P. Wang, S. Eaton, V. J. Nagaraj, P. Wiktor, U. Patel, N. J. Tao, Nat. Chem. 3, 249 (2011).
[CrossRef]

Wang, Y.-L.

T.-Y. Cheng, H.-H. Wang, S.-H. Chang, J.-Y. Chu, J.-H. Lee, Y.-L. Wang, J.-K. Wang, Phys. Chem. Chem. Phys. 15, 4275 (2013).
[CrossRef]

H.-H. Wang, T.-Y. Cheng, P. Sharma, F.-Y. Chiang, S. W.-Y. Chiu, J.-K. Wang, Y.-L. Wang, Nanotechnology 22, 385702 (2011).
[CrossRef]

T.-Y. Liu, K.-T. Tsai, H.-H. Wang, Y. Chen, Y.-H. Chen, Y.-C. Chao, H.-H. Chang, C.-H. Lin, J.-K. Wang, Y.-L. Wang, Nat. Commun. 2, 538 (2011).
[CrossRef]

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Figures (4)

Fig. 1.
Fig. 1.

(a) Top-view scanning electron microscopic image (left) and cross-sectional transmission electron microscopic image (right) of AgNP/AAO substrate. (b) Its experimental (black curves) and simulated (green curves) reflectance (R, solid curves) and transmittance (T, dashed curves) as a function of wavelength.

Fig. 2.
Fig. 2.

Reflective microscopic images of S. cerevisiae on AgNP/AAO substrate at (a) 450 nm and (b) 700 nm with the insets showing the magnified images of the respective dashed-square regions. The relative intensities, I/Ib, along the solid lines in the insets in (a), red dots, and in (b), green dots, are shown in (c). Ib is the average background intensity. The solid curves are guides to eyes.

Fig. 3.
Fig. 3.

(a) Simulated reflectance, R, as a function of wavelength of AgNP/AAO substrate covered with dielectric media with refractive indices of n=1 (green), 1.3 (black), 1.4 (red), 1.5 (blue), and 1.6 (yellow). (b) ΔR=R(n=1)R(n).

Fig. 4.
Fig. 4.

Surface electric field amplitude at (a) 450 nm and (c) 700 nm and surface magnetic field amplitude at (b) 450 nm and (d) 700 nm of AgNP/AAO substrate covered with a hemispheric yeast cell (dashed circle) of 1 μm in diameter.

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