Dataset Information

Hydrothermally Green Synthesized Nitrogen-Doped Carbon Dots from Phyllanthus emblica and Their Catalytic Ability in the Detoxification of Textile Effluents.

ABSTRACT: A facile method for reduction of textile effluents (TEff) using fluorescent nitrogen-doped carbon dots (N-CDs) has been developed and reported here. The synthesis of N-CDs was done by a hydrothermal carbonization method using the aqueous extract of Phyllanthus emblica (P. emblica) fruit as a carbon source and aq NH₃ as a nitrogen dopant. Various analytical techniques have been employed for the characterization of N-CDs. The size of the synthesized N-CDs was found to be 4.08 nm, which was confirmed by high-resolution transmission electron microscopy analysis. The graphitic character of the N-CDs was studied by using selected area energy diffraction pattern and Raman spectroscopy studies. Under the excitation of 320 nm, an intense blue fluorescence was emitted by N-CDs of around 400 nm. From the obtained results of energy-dispersive spectrometry, EDAX, and Fourier transform infrared studies, it was confirmed that nitrogen was doped over the N-CD surface. Finally, the catalytic ability of NaBH₄ was found to be enhanced remarkably by the synthesized CDs in the detoxification of TEff.

SUBMITTER: Arul V

PROVIDER: S-EPMC6648434 | biostudies-literature | 2019 Feb

REPOSITORIES: biostudies-literature

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Hydrothermally Green Synthesized Nitrogen-Doped Carbon Dots from Phyllanthus emblica and Their Catalytic Ability in the Detoxification of Textile Effluents.

Arul Velusamy V Sethuraman Mathur Gopalakrishnan MG

ACS omega 20190215 2

A facile method for reduction of textile effluents (TEff) using fluorescent nitrogen-doped carbon dots (N-CDs) has been developed and reported here. The synthesis of N-CDs was done by a hydrothermal carbonization method using the aqueous extract of Phyllanthus emblica (P. emblica) fruit as a carbon source and aq NH3 as a nitrogen dopant. Various analytical techniques have been employed for the characterization of N-CDs. The size of the synthesized N-CDs was found to be 4 ...[more]

PMID: 31459560

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Project description:Phyllanthus emblica L. is a well-known medicinal and edible plant species. Various medicinal compounds in the fruit make it an important medicinal and promising economic material. The plant is widely distributed in Southwestern and Southern China. However, due to massive deforestation and land reclamation as well as deterioration of its natural habitat in recent years, the wild resources of this species have been sharply reduced, and it is rare to see large-scale wild P. emblica forests so far. In order to effectively protect and rationally utilize this species, we investigated the genetic diversity, genetic structure, and population dynamics of 260 individuals from 10 populations of P. emblica sampled from the dry climate area in Yunnan and wet climate area in Guangxi using 20 polymorphic EST-SSR markers. We found high genetic diversity at the species level (He = 0.796) and within populations (He = 0.792), but low genetic differentiation among populations (F ST = 0.084). In addition, most genetic variation existed within populations (92.44%) compared with variation among the populations (7.56%). Meanwhile, the NJ tree, STRUCTURE, and hierarchical analysis suggested that the sampled individuals were clustered into two distinct genetic groups. In contrast, the genetic diversity of the dry climate group (He = 0.786, Na = 11.790, I = 1.962) was higher than that of the wet climate group (He = 0.673, Na = 9.060, I = 1.555), which might be attributed to the combined effects of altitude, precipitation, and geographic distance. Interestingly, only altitude and precipitation had significant pure effects on the genetic diversity, and the former was slightly stronger. In addition, DIYABC analysis suggested the effective population size of P. emblica might have contracted in the beginning of the Last Glacial Maximum. These genetic features provided vital information for the conservation and sustainable development of genetic resources of P. emblica, and they also provided new insights and guidelines for ecological restoration and economic development in dry-hot valleys of Yunnan and karst areas in Guangxi.

Dataset Information

Hydrothermally Green Synthesized Nitrogen-Doped Carbon Dots from Phyllanthus emblica and Their Catalytic Ability in the Detoxification of Textile Effluents.

Publications

Hydrothermally Green Synthesized Nitrogen-Doped Carbon Dots from <i>Phyllanthus emblica</i> and Their Catalytic Ability in the Detoxification of Textile Effluents.

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