@article {tanvir2017colorimetric,
	title = {Colorimetric enumeration of bacterial contamination in water based on β-galactosidase gold nanoshell activity},
	journal = {Enzyme and Microbial Technology},
	volume = {99},
	year = {2017},
	pages = {49{\textendash}56},
	publisher = {Elsevier},
	author = {Tanvir, Fouzia and Yaqub, Atif and Tanvir, Shazia and Anderson, William A}
}
