Regulation of Laminaria Polysaccharides with Different Degrees of Sulfation during the Growth of Calcium Oxalate Crystals and their Protective Effects on Renal Epithelial Cells

Table 4

Infrared characteristic absorption peaks of CaOx crystals regulated by different concentrations of SLPs.

SLPs	c(SLPs)/g/L	COD/%	νas(COO^-)/cm^-1	νas(COO^-)/cm^-1	νs(COO^-)/cm^-1	COM/cm^-1	COM/cm^-1	COM/cm^-1	COM/cm^-1	COD; /cm^-1	COD; /cm^-1
Blank	0	0		1619	1319	950	882	785	668
LP0	0.4	0		1619	1319	950	882	785	668
	0.8	0		1620	1319	950	882	785	668
	1.2	0		1620	1319	951	882	785	668
	1.6	0		1619	1319	951	883	785	663
SLP1	0.4	0		1619	1319	952	882	785	664
	0.8	0		1619	1320		881	785	664
	1.2	0		1619	1320	948	881	785	667
	1.6	0		1619	1320	950	882	785	668
SLP2	0.4	0		1619	1320	951	883	785	662
	0.8	0		1619	1320	952	881	785	665
	1.2	0		1620	1320	951	883	785	668
	1.6	27.7		1621	1321	952	882	785	660
SLP3	0.4	0		1623	1320	950	882	784	665
	0.8	66.1		1623	1323	948	881	784	664		617
	1.2	81.0	1645		1328			784		915	618
	1.6	100	1646		1329					917	619
SLP4	0.4	41.2		1625	1322		881	784	668
	0.8	74.6	1645		1324			784		914	620
	1.2	100	1646		1330					913	621
	1.6	100	1646		1330					919	619