Journal
BIOSENSORS-BASEL
Volume 12, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/bios12010045
Keywords
butyl benzyl phthalate; contamination; magnetic-based immunoassay; risk assessment; urban sewage
Funding
- National Natural Science Foundation of China [31701687]
- Natural Science Foundation of Jiangsu Province [BK20170537]
- Youth Talent Cultivation Program of Jiangsu University
- Priority Academic Program Development of Jiangsu Higher Education Institutions [PAPD-2018-87]
- Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment
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A magnetic-based immunoassay (MBI) combined with biotin-streptavidin amplification was proposed for butyl benzyl phthalate (BBP) investigation and risk assessment. The study found that BBP contamination in urban sewage was within a controllable range, but potential harm to the ecology was indicated. The non-carcinogenic risk of BBP exposure from drinking water was higher for females than males, but the non-carcinogenic risk from drinking water and bathing pathways was negligible. This study provides an alternative method for detecting BBP and essential information for controlling BBP contamination.
A magnetic-based immunoassay (MBI) combined with biotin-streptavidin amplification was proposed for butyl benzyl phthalate (BBP) investigation and risk assessment. The values of LOD (limit of detection, IC10) and IC50 were 0.57 ng/mL and 119.61 ng/mL, with a detection range of 0.57-24,977.71 ng/mL for MBI. The specificity, accuracy and precision are well demonstrated. A total of 36 environmental water samples of urban sewage from Zhenjiang, China, were collected and assessed for BBP contamination. The results show that BBP-positive levels ranged from 2.47 to 89.21 ng/mL, with a positive rate of 77.8%. The health effects of BBP in the urban sewage were within a controllable range, and the ambient severity for health (ASI) was below 1.49. The highest value of AS for ecology (ASII) was 7.43, which indicates a potential harm to ecology. The entropy value of risk quotient was below 100, the highest being 59.47, which poses a low risk to the environment and ecology, indicating that there is a need to strengthen BBP controls. The non-carcinogenic risk of BBP exposure from drinking water was higher for females than that for males, and the non-carcinogenic risk from drinking-water and bathing pathways was negligible. This study could provide an alternative method for detecting BBP and essential information for controlling BBP contamination.
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