Abstract
AbstractMulti-walled Carbon nanotube, its role and implications in biological systems are currently under evaluation and became interesting for many researchers primarily working on the interface of chemistry, physics and biology. However, concerns about the potential toxicity of multi-walled carbon nanotubes have been raised. To carry such affords, herein we investigate the effects of carboxylic acid functionalized water soluble carbon nanotube (wsCNT) on the growth of gram Cicer arietinum plant. The growth of gram plants was observed with and without the presence of wsCNT to demonstrate that carboxylated functionalized multi-walled carbon nanotubes showed better growth and under more wsCNT, the growth was enhanced without showing apparent toxicity. Although this is a preliminary study with a small group of plants, our results encourage further confirmation studies with larger groups of plants.
Highlights
Since the discovery of carbon nanotube (CNT)[1], exploitation of its application is sought in all possible arena of life and role of CNT in biological systems and medicine is highly important and these area needs newer approaches to do so
We report the comparative growth of sprouted gram seed in the presence of different concentrations of water soluble carbon nanotube (wsCNT) in comparison with controlled one, which were imaged by Scanning electron microscope (SEM) equipped with an energy-dispersive Xray analysis and were recorded with FEI Quanta 200 Hv and “Tecnai 20 G2” 200 kV STWIN used for Transmission electron microscopic (TEM) analysis (Figure 1)
Alignment of carbon nanotubes within the treachery elements of xylem has been established by optical microscopy (Figure 4) from the wsCNT treated sprouted gram seed Florescence microscopic images of CdS incorporated into wsCNT showed very distinct tubular structures due to the fluorescence of CdS inside the wsCNT
Summary
Since the discovery of carbon nanotube (CNT)[1], exploitation of its application is sought in all possible arena of life and role of CNT in biological systems and medicine is highly important and these area needs newer approaches to do so. The present study deals with its effect on the growth of gram C. arietinum seed under different concentrations of wsCNT. Molecular dynamic simulation on osmotically driven transport of water molecules through hexagonally packed carbon nanotube membrane were simulated in relevance to CNT semi permeable membrane to separate components of pure water and salt solution[5]. Water and minerals are essential components for growth and their transport to different cells and organs are critically important for survival of a living entity. Root helps plant in transport of water and solutes[7] and involved in pumping of water across the plasma membrane into the cytoplasm of cells[8]. The growth of gram C. arietinum seed were observed under different concentrations of wsCNT; and it was found that the plant grown in solution having maximum concentration of wsCNT showed maximum growth
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