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Correction: Amyloid fibrils as rapid and efficient nano-biosorbents for removal of dye pollutants
Wai-Hong Leung,
Wai-Hung Lo and
Pak-Ho Chan*
State Key Laboratory of Chirosciences, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, P. R. China. E-mail: pakho999@yahoo.com.hk
First published on 17th June 2016
Abstract
Correction for ‘Amyloid fibrils as rapid and efficient nano-biosorbents for removal of dye pollutants’ by Wai-Hong Leung et al., RSC Adv., 2015, 5, 90022–90030.
The authors regret that on a number of occasions in the original article, the variables ‘qt’ and ‘Ct’ were incorrectly written as ‘qe’ and ‘Ce’, respectively. Formal definitions for qt and Ct were also missing. As a result, a number of sentences from the original article are revised as follows.
On page 90024, the sentence beginning “The adsorption capacity (qe) at each time interval…” should instead read “The adsorption capacity at each time interval (qt) was determined as described above [eqn (1), with qe and Ce replaced by qt (the adsorption capacity at the time interval t) and Ct (the dye concentration at the time interval t after adsorption) respectively].”
On page 90027, the sentence beginning “Fig. 6 shows the adsorption capacity…” and the sentence immediately following should instead read “Fig. 6 shows the adsorption capacity (qt) of lysozyme nanofibers with Reactive Black 5 at different time intervals. Surprisingly, lysozyme nanofibers adsorb Reactive Black 5 very quickly (pH 3.0); the qt value reaches 155 mg g−1 at t = 4 min and then remains steady over the time course (t = 1–180 min, Fig. 6).”
On page 90027, the sentence beginning “In this case, lysozyme nanofibers can reach...” should instead read “In this case, lysozyme nanofibers can reach their adsorption equilibrium (qt = 101 mg g−1) at t = 4 min (Fig. S4 in the ESI†).”
On page 90027, the sentence beginning “Under this condition, lysozyme nanofibers…” should instead read “Under this condition, lysozyme nanofibers can reach their adsorption equilibrium (qt = 86 mg g−1) at t = 15 min (Fig. S5 in the ESI).”
Additionally, the y-axes of the graphs in Fig. 6 and S4 and S5 should have been labelled as “Adsorption capacity (qt)/mg g−1”. A corrected version of Fig. 6 is presented herein and the ESI of the original article has been updated accordingly.
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| Fig. 6 Kinetic profile of the adsorption of Reactive Black 5 by lysozyme nanofibers. Solution conditions of Reactive Black 5: dye concentration = 109 mg L−1 (109 mM); volume = 40.0 mL; pH 3.0. Lysozyme nanofibers (24 mg) were added to the Reactive Black 5 solution for dye adsorption. The adsorption capacities of lysozyme nanofibers at different time intervals were determined by absorbance measurements on the dye solution before and after dye adsorption. Triplicate measurements were conducted at each time interval. | ||
The authors also wish to add that the grant code listed in the Acknowledgements section of the article was incorrect, and is therefore corrected in the Acknowledgements section herein.
The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.
Acknowledgements
We thank the State Key Laboratory of Chirosciences (4-BBX3) and the Research Committee of The Hong Kong Polytechnic University for support to this project.| This journal is © The Royal Society of Chemistry 2016 |