Assessment of nano-functionalized cellulosic paper for selective estimation of Cr VI using diffuse reflectance spectroscopy
Citation
Wankar, S., Alset, U., Gumathannavar, R., Nandhini, K., Kumbhojkar, N., & Kulkarni, A. (2023). Assessment of nano-functionalized cellulosic paper for selective estimation of Cr (VI) using diffuse reflectance spectroscopy. Environmental Pollutants and Bioavailability, 35(1), 2215944.
Keywords
- Hexavalent chromium [Cr (VI)]
- Nano-functionalized cellulosic paper
- Gold nanoparticles (AuNPs)
- 1,5-diphenylcarbazide (DPC)
- Colorimetric detection
- Diffuse reflectance spectroscopy
- Portable optical fiber device (POD)
- Limit of detection (LOD)
- Linear range
- RGB color analysis
- Data-driven predictive modelling (KNN-model)
- Environmental pollution monitoring
- Groundwater quality
- Point source detection
- Real-time monitoring
- Remote sensing
- Bioaccumulation
- Carcinogenic
- World Health Organization (WHO)
Brief
This article reports on the development of a nano-functionalized cellulosic paper strip with gold nanoparticles modified with 1,5-diphenylcarbazide dye for the selective colorimetric detection of Cr (VI), which is read by a portable optical fiber device and supported by predictive modeling.
Summary
This article describes the creation of a paper-based sensor using gold nanoparticles and 1,5-diphenylcarbazide for the rapid, selective, and low-cost colorimetric detection of Cr (VI) in water, which can be read by a portable optical fiber device and further analyzed with RGB analysis and predictive modeling.
Origin: https://www.tandfonline.com/doi/epdf/10.1080/26395940.2023.2215944?needAccess=true