41. Deka, M. J., & Chowdhury, D. (2017). CVD assisted hydrophobic graphene quantum dots:
Fluorescence sensor for aromatic amino acids. Chemistry Select, 2, 1999–2005.
42. Shen, J., Zhu, Y., Yang, X., & Li, C. (2012). Graphene quantum dots: Emergent nanolights
for bioimaging, sensors, catalysis and photovoltaic devices. Chemical Communications, 48,
3686–3699.
43. Deka, M. J., & Chowdhury, D. (2017). Chiral carbon dots and their effect on the optical
properties of photosensitizers. RSC Advances, 7, 53057–53063.
44. Li, Y., Zhao, Y., Cheng, H., Hu, Y., Shi, G., Dai, L., et al. (2012). Nitrogen-doped graphene
quantum dots with oxygen rich functional groups. Journal of the American Chemical Society,
134, 15–18.
45. Gan, Z., Xu, H., & Hao, Y. (2016). Mechanism for excitation-dependent photoluminescence
from graphene quantum dots and other graphene oxide derivates: Consensus, debates and
challenges. Nanoscale, 8, 7794–7807.
46. Chien, C. T., Li, S. S., Lai, W. J., Yeh, Y. C., Chen, H. A., Chen, I., et al. (2012). Tunable
photoluminescence from graphene oxide. Angewandte Chemie International Edition, 51,
6662–6666 (2012).
47. Dong, Y., Wang, R., Li, G., Chen, C., Chi, Y., & Chen, G. (2012). Polyamine-functionalized
carbon quantum dots as fluorescent probes for selective and sensitive detection of copper ions.
Analytical Chemistry, 84, 6220–6224.
48. Sharma, A., Gadly, T., Gupta, A., Ballal, A., Ghosh, S. K., & Kumbhakar, M. (2016). Origin
of excitation dependent fluorescence in carbon nanodots. The Journal of Physical Chemistry
Letters, 7, 3695–3702.
49. Kundu, A., Layek, R. K., Kuila, A., & Nandi, A. K. (2012). Highly fluorescent graphene
oxide-poly(vinyl alcohol) hybrid: an effective material for specific Au
3+ ion sensors. ACS
Applied Materials & Interfaces, 4, 5576–5582.
50. Fu, X. L., Lou, T. T., Chen, Z. P, Lin, M., Feng, W. W., & Chen, L. X. (2012). Turn-on
fluorescence detection of lead ions based on accelerated leaching of gold nanoparticles on the
surface of graphene. ACS Appl. Mater Interfaces, 4, 1080–1086.
51. Niu, X., Zhong, Y., Chen, R., Wang, F., Liu, Y., & Luo, D. (2018). A “turn-on” fluorescence
sensor for Pb
2+ detection based on graphene quantum dots and gold nanoparticles. Sensors
and Actuators B: Chemical, 255, 1577–1581.
52. Zhao, X.-E., Lei, C., Gao, Y., Gao, H., Zhu, S., Yang, X., et al. (2017). A ratiometric
fluorescent nanosensor for the detection of silver ions using graphene quantum dots. Sensors
and Actuators B: Chemical, 253, 239–246.
53. Rackus, D. G., Shamsi, M. H., & Wheeler, A. R. (2015). Electrochemistry, biosensors and
microfluidics: A convergence of fields. Chemical Society Reviews, 44, 5320–5340.
54. Mir, M., Homs, A., & Samitier, J. (2009). Integrated electrochemical DNA biosensors for lab
on-a-chip devices. Electrophoresis, 30, 3386–3397.
55. Stradiotto, N. R., Yamanaka, H., & Zanoni, M. V. B. (2003). Electrochemical sensors: A
powerful tool in analytical chemistry. Journal of the Brazilian Chemical Society, 14, 159–
173.
56. Jin, W., & Yan, K. (2015). Recent advances in electrochemical detection of toxic Cr (VI).
RSC Advances, 5, 37440–37450.
57. Chen, A., & Chatterjee, S. (2013). Nanomaterials based electrochemical sensors for
biomedical applications. Chemical Society Reviews, 42, 5425–3438.
58. Saha, K., Agasti, S. S., Kim, C., Li, X., & Rotello, V. M. (2012). Gold nanoparticles in
chemical and biological sensing. Chemical Reviews, 112, 2739–2779.
59. Carrera, P., Espinoza-Montero, P. J., Fernández, L., Romero, H., & Alvarado, J. (2017).
Electrochemical determination of arsenic in natural waters using carbon fiber
ultra-microelectrodes modified with gold nanopartcles. Talanta, 166, 198–206.
60. Peng, D., Hu, B., Kang, M., Wang, M., He, L., Zhang, Z., et al. (2016). Electrochemical
sensors based on gold nanoparticles modified with rhodamine B hydrazide to sensitively
detect Cu(II). Applied Surface Science, 390, 422.
104
M. J. Deka et al.
Fluorescence sensor for aromatic amino acids. Chemistry Select, 2, 1999–2005.
42. Shen, J., Zhu, Y., Yang, X., & Li, C. (2012). Graphene quantum dots: Emergent nanolights
for bioimaging, sensors, catalysis and photovoltaic devices. Chemical Communications, 48,
3686–3699.
43. Deka, M. J., & Chowdhury, D. (2017). Chiral carbon dots and their effect on the optical
properties of photosensitizers. RSC Advances, 7, 53057–53063.
44. Li, Y., Zhao, Y., Cheng, H., Hu, Y., Shi, G., Dai, L., et al. (2012). Nitrogen-doped graphene
quantum dots with oxygen rich functional groups. Journal of the American Chemical Society,
134, 15–18.
45. Gan, Z., Xu, H., & Hao, Y. (2016). Mechanism for excitation-dependent photoluminescence
from graphene quantum dots and other graphene oxide derivates: Consensus, debates and
challenges. Nanoscale, 8, 7794–7807.
46. Chien, C. T., Li, S. S., Lai, W. J., Yeh, Y. C., Chen, H. A., Chen, I., et al. (2012). Tunable
photoluminescence from graphene oxide. Angewandte Chemie International Edition, 51,
6662–6666 (2012).
47. Dong, Y., Wang, R., Li, G., Chen, C., Chi, Y., & Chen, G. (2012). Polyamine-functionalized
carbon quantum dots as fluorescent probes for selective and sensitive detection of copper ions.
Analytical Chemistry, 84, 6220–6224.
48. Sharma, A., Gadly, T., Gupta, A., Ballal, A., Ghosh, S. K., & Kumbhakar, M. (2016). Origin
of excitation dependent fluorescence in carbon nanodots. The Journal of Physical Chemistry
Letters, 7, 3695–3702.
49. Kundu, A., Layek, R. K., Kuila, A., & Nandi, A. K. (2012). Highly fluorescent graphene
oxide-poly(vinyl alcohol) hybrid: an effective material for specific Au
3+ ion sensors. ACS
Applied Materials & Interfaces, 4, 5576–5582.
50. Fu, X. L., Lou, T. T., Chen, Z. P, Lin, M., Feng, W. W., & Chen, L. X. (2012). Turn-on
fluorescence detection of lead ions based on accelerated leaching of gold nanoparticles on the
surface of graphene. ACS Appl. Mater Interfaces, 4, 1080–1086.
51. Niu, X., Zhong, Y., Chen, R., Wang, F., Liu, Y., & Luo, D. (2018). A “turn-on” fluorescence
sensor for Pb
2+ detection based on graphene quantum dots and gold nanoparticles. Sensors
and Actuators B: Chemical, 255, 1577–1581.
52. Zhao, X.-E., Lei, C., Gao, Y., Gao, H., Zhu, S., Yang, X., et al. (2017). A ratiometric
fluorescent nanosensor for the detection of silver ions using graphene quantum dots. Sensors
and Actuators B: Chemical, 253, 239–246.
53. Rackus, D. G., Shamsi, M. H., & Wheeler, A. R. (2015). Electrochemistry, biosensors and
microfluidics: A convergence of fields. Chemical Society Reviews, 44, 5320–5340.
54. Mir, M., Homs, A., & Samitier, J. (2009). Integrated electrochemical DNA biosensors for lab
on-a-chip devices. Electrophoresis, 30, 3386–3397.
55. Stradiotto, N. R., Yamanaka, H., & Zanoni, M. V. B. (2003). Electrochemical sensors: A
powerful tool in analytical chemistry. Journal of the Brazilian Chemical Society, 14, 159–
173.
56. Jin, W., & Yan, K. (2015). Recent advances in electrochemical detection of toxic Cr (VI).
RSC Advances, 5, 37440–37450.
57. Chen, A., & Chatterjee, S. (2013). Nanomaterials based electrochemical sensors for
biomedical applications. Chemical Society Reviews, 42, 5425–3438.
58. Saha, K., Agasti, S. S., Kim, C., Li, X., & Rotello, V. M. (2012). Gold nanoparticles in
chemical and biological sensing. Chemical Reviews, 112, 2739–2779.
59. Carrera, P., Espinoza-Montero, P. J., Fernández, L., Romero, H., & Alvarado, J. (2017).
Electrochemical determination of arsenic in natural waters using carbon fiber
ultra-microelectrodes modified with gold nanopartcles. Talanta, 166, 198–206.
60. Peng, D., Hu, B., Kang, M., Wang, M., He, L., Zhang, Z., et al. (2016). Electrochemical
sensors based on gold nanoparticles modified with rhodamine B hydrazide to sensitively
detect Cu(II). Applied Surface Science, 390, 422.
104
M. J. Deka et al.