FTIR, 2D-IR and XPS Analyses on the Mechanism of Protoplast Derived From Calendula Officinalis in Response to Lead and Cadmium in Soil

Chun-hui FAN; Jin-huan ZHENG; Hong-xin LIU

doi:10.3964/j.issn.1000-0593(2022)05-1420-06

Journals >Spectroscopy and Spectral Analysis >Volume 42 >Issue 5 >Page 1420 > Article

Spectroscopy and Spectral Analysis
Vol. 42, Issue 5, 1420 (2022)

FTIR, 2D-IR and XPS Analyses on the Mechanism of Protoplast Derived From Calendula Officinalis in Response to Lead and Cadmium in Soil

Chun-hui FAN^1、*, Jin-huan ZHENG^3、3;, and Hong-xin LIU^1、1;

Author Affiliations

¹1. College of Life Sciences, Shenyang Normal University, Shenyang 110034, China

³3. School of Environmental Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China

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DOI: 10.3964/j.issn.1000-0593(2022)05-1420-06 Cite this Article

Chun-hui FAN, Jin-huan ZHENG, Hong-xin LIU. FTIR, 2D-IR and XPS Analyses on the Mechanism of Protoplast Derived From Calendula Officinalis in Response to Lead and Cadmium in Soil[J]. Spectroscopy and Spectral Analysis, 2022, 42(5): 1420 Copy Citation Text

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Fig. 1. XRD patterns of Calendula Officinalis protoplast at different lead/cadmium concentrations

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Fig. 2. FTIR spectra of Calendula Officinalis protoplast at different lead/cadmium concentrations2.4 2D-IR

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Fig. 3. 2D-IR correlation spectra of Calendula Officinalis protoplast at different lead/cadmium concentrations
(a), (c): Synchronous map; (b), (d): Asynchronous map

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Fig. 4. XPS spectra of Calendula Officinalis protoplast at different lead/cadmium concentrations

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Soil lead/cadmium concentrations /(mg·kg^-1)	Chemical speciation of lead/cadmium/%
Soil lead/cadmium concentrations /(mg·kg^-1)	Exchangeable	Bound to carbonates	Bound to Fe-Mn oxides	Bound to organic matter	Residual
200/10	13.24/26.65	3.36/13.05	52.70/23.21	11.59/13.05	19.10/24.04
400/20	8.69/25.91	13.60/12.73	33.28/21.08	19.61/11.71	24.81/28.57
600/30	13.54/29.59	7.88/9.86	30.19/21.92	24.26/11.69	17.90/26.93

Table 1. Speciation of lead/cadmium in Calendula Officinalis protoplast at different lead/cadmium concentrations

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