Polyacrylate-calcium (cerium) Nanocluster Fluorescent Probes for Quantitative Detection of Inorganic Phosphorus

Jia CHEN; Yiran FAN; Wenxin YAN; Yingchao HAN

doi:10.15541/jim20230596

Journals >Journal of Inorganic Materials >Volume 39 >Issue 9 >Page 1053 > Article

Journal of Inorganic Materials
Vol. 39, Issue 9, 1053 (2024)

Polyacrylate-calcium (cerium) Nanocluster Fluorescent Probes for Quantitative Detection of Inorganic Phosphorus

Jia CHEN, Yiran FAN, Wenxin YAN, and Yingchao HAN^*

Author Affiliations

State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China

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DOI: 10.15541/jim20230596 Cite this Article

Jia CHEN, Yiran FAN, Wenxin YAN, Yingchao HAN. Polyacrylate-calcium (cerium) Nanocluster Fluorescent Probes for Quantitative Detection of Inorganic Phosphorus[J]. Journal of Inorganic Materials, 2024, 39(9): 1053 Copy Citation Text

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1. Morphology, size and structure of PAA-Ca(Ce) nanofluorescent probe

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Fluorescence stability of PAA-Ca(Ce) nanofluorescent probe for PO43-

2. Fluorescence stability of PAA-Ca(Ce) nanofluorescent probe for PO₄^3-

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3. Fluorescence emission spectra of the reaction products between PAA-Ca(Ce) fluorescent probes and PO₄^3- with different concentrations of (Ca²⁺+Ce³⁺), and corresponding linear relationship of PO₄^3- concentration-fluorescence intensity

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4. Relationship between PO₄^3-concentration and fluorescence intensity at low PO₄^3-concentration

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5. Influence of reaction time and temperature on fluorescence intensity

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6. Relationship between instrument response value and PO₄^3- concentration

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7. Influence of different chemical environmental factors on PAA-Ca(Ce) nano-fluorescent probes

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8. Schematic of fluorescence probe method for sensing PO₄^3-

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PO₄^3-added /(mmol·L^-1)	FP method		MARSP
PO₄^3-added /(mmol·L^-1)	PO₄^3-detected/(mmol·L^-1)	Recovery/%	PO₄^3-detected/(mmol·L^-1)	Recovery/%
10	9.633	96.326	9.096	90.962
20	20.611	103.056	18.694	93.472
30	28.856	96.186	26.634	88.780
40	40.009	100.022	37.719	94.299
50	48.634	97.269	47.779	95.559
60	60.304	100.507	55.134	91.891
70	68.462	97.802	66.391	94.844
80	79.159	98.949	75.191	93.989
90	87.964	97.737	87.080	96.755
100	100.526	100.526	94.505	94.505
110	110.024	100.022	99.928	90.844
120	116.614	97.178	115.249	96.041
130	131.590	101.223	122.934	94.564
140	139.348	99.534	125.775	89.839
150	145.318	96.879	140.961	93.974
160	161.331	100.832	156.500	97.813
170	171.033	100.608	164.876	96.986
180	176.630	98.128	170.588	94.771
190	191.582	100.832	178.270	93.826
200	198.966	99.483	196.275	98.138
Average recovery (mean±SD)/%	99.155±1.880		94.093±2.566

Table 1. Recovery of PO₄^3- detected by fluorescence probe (FP) method in contrast to that by molybdenum-antimony resistance spectrophotometry (MARSP)

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