Correction: Mesoporous silica nanoparticle-encapsulated Bifidobacterium attenuates brain Aβ burden and improves olfactory dysfunction of APP/PS1 mice by nasal delivery

Correction: Journal of Nanobiotechnology (2022) 20:439 https://doi.org/10.1186/s12951-022-01642-z

Following publication of the original article [1], the authors identified an error in Fig. 2 a and fig. 2c. This is to correct the images of Fig. 2a Bi + 10 µg/mL MSNs, Fig. 2c Bi + 40 µg/mL MSNs, and Fig. 2c MSNs-Bi + SIF 120 min.

The similar images of Fig. 2a Bi + 10 µg/mL MSNs, Fig. 2a Bi + 40 µg/mL MSNs, and Fig. 2c MSNs-Bi + SIF 120 min are caused by the change in image order when the images are transferred from the mobile phone to the computer. The correct figures are given below.

Fig. 2

Effects of MSNs on the growth of Bifidobacterium. Changes in bacterial growth of a Bifidobacterium and b Escherichia coli (E. coli) in the presence of different MSN concentrations. c Viability of encapsulated Bifidobacterium and E. coli during exposure to simulated intestinal fluid (SIF) with bile salts. d Release of Bifidobacterium and E. coli from MSNs encapsulation in SIF at 37 °C. Viability represents the percentage of bacteria surviving relative to the initial population. Data are presented as mean ± SD, n = 3

Corrected Fig. 2a

Incorrect Fig. 2a

The original article [1] has been corrected.