Table 3. Different CS-based aerogels for microorganisms' removal^a.

Aerogel	Microorganisms	Initial concentration CFU mL−1	Removal %	References
CS/NC/PA-Na	S. aureus	1 ×106	78.5%	92
	E. coli		89.2%
CS/CNFs	S. aureus	1.56 × 108	99%	94
	E. coli	1.34 × 108
CS/NMNSs	S. aureus	1 × 108	99%	95
	E. coli		97.52%
CS/SBA-15	S. aureus	2.75 × 107	100%	101
	E. coli	1.05 × 107
WPI/CS/CA/ε-PLH	S. aureus	—	80%	102
	E. coli
	Salmonella
	Listeria monocytogenes
NADES/PVA/CS	S. aureus	106	—	103
	E. coli
Amino acid functionalized CS	S. aureus	—	∼100%	104
	E. coli
	V. parahaemolyticus
AG/CS	S. aureus	∼106	22.03%	100
	E. coli		23.98%
CS coated PCL/n-HA	S. aureus	3 × 105	98%	105
	E. coli
CSI	S. aureus	106–107	∼100%	106
	E. coli

^aCS: chitosan; NC: nano cellulose; PA-Na: sodium phytate; CNFs: cellulose nanofibers; NMNSs: amino-functionalized molybdenum disulfide; WPI: whey protein isolate; CA: citric acid; ε-PLH: ε-polylysine hydrochloride; S. aureus: Staphylococcus aureus; E. coli: Escherichia coli; PVA: polyvinyl alcohol; NADES: natural deep eutectic solvents; PCL: polycaprolactone; n-HA: nano-hydroxyapatite; AG: alginate; CSI: chitosan-itaconic acid.