Novel sensor technologies towards environmental health monitoring in urban environments:a case study in the Niger Delta (Nigeria)

Obinaju, Blessing and Alaoma, Alozie and Martin, Francis Luke (2014) Novel sensor technologies towards environmental health monitoring in urban environments:a case study in the Niger Delta (Nigeria). Environmental Pollution, 192. pp. 222-231. ISSN 0269-7491

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Abstract

The Niger Delta (Nigeria) is an exemplar of a legacy of environmental pollution. Limited knowledge on spatial and temporal pollutant distributions in the region highlights the need for biomonitoring approaches to study impacts on sentinel organisms. This study evaluated whether infrared (IR) spectroscopy and multivariate analysis could detect alterations in biomolecules in samples in differing exposure scenarios, i.e., spatial and temporal using African catfish (Heterobranchus bidorsalis) or water spinach (Ipomea aquatica). Significant spectral differences between tissues isolated from African catfish based on site or season were observed; in a region where fish appeared not to be present, water spinach was used as a surrogate sentinel organism. Using one-way ANOVA, the spectral categories were significant (P < 0.0001). The applicability of IR spectroscopy to detect subtle changes in target biological molecules within sentinel organisms along with its low-cost yet high-throughput potential suggests that biospectroscopy permits real-time evaluation of environmental exposure effects.

Item Type:
Journal Article
Journal or Publication Title:
Environmental Pollution
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3000/3005
Subjects:
ID Code:
81135
Deposited By:
Deposited On:
24 Aug 2016 10:04
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 09:54