Table 2.

Functionalization of oxidized alginates by reductive amination.

[Ox] Degree	R-NH2	Reducing Agent	Application	Ref.
20%		NaBH3CN	Amphiphilic alginate	[78]
40%		NaBH3CN	Hydrophobically modified alginate, surfactant, removal of heavy metals	[79]
30%		NaBH3CN	Hydrophobically modified alginate, polymeric surfactant	[80]
20%	(Further modified with PEG)	NaBH3CN	High biocompatibility material	[81]
44%		NaBH4	Drug delivery	[85]
n.d.		NaBH3CN	Drug delivery	[82]
8%	Peptide sequences: GRGDYP, GRGDSP, KHIFSDDSSE	pic-BH3	Material with cell attachment sites, induction of cell interaction	[83]
48%	Doxorubicin	-	Self-assembly pH sensitive nanoparticle for drug delivery	[87]
n.d.		NaBH4	Heavy metal removal from water	[88]
30%		NaBH4	Heavy metal removal from water	[89]
3–11%		NaBH4	Drug delivery	[86]