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Judul Jurnal Ilmiah (Article): Use of functionalized multi-walled carbon nanotubes to promote growth of mustard seed germination. Use of functionalized multi-walled carbon nanotubes to promote the growth of mustard seed germination (Article) (Open Access). Multiwalled carbon nanotubes (MWCNTs) are one of the nanomaterials that can be used in agriculture.

Effects of priming with multiwalled carbon nanotubes on seed physiological characteristics of Hopbush (Dodonaeaviscosa L.) under drought stress Youseﬁ, S. Statistical evaluation of the production of urea fertilizer multiwalled carbon nanotubes using Plackett Burman experimental design. Comparison of functionalization of multiwalled carbon nanotubes treated with olive oil and nitric acid and their characterization.

Phytotoxicity of multiwalled carbon nanotubes assessed with selected plant species at the seedling stage. Synthesis and characterization of carboxyl-functionalized multi-walled carbon nanotubes (MWCNT-COOH) and NH-functionalized multi-walled carbon nanotubes (MWCNTNH )2 2.

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Therefore, please re-register to get a new account via: https://jurnal.ugm.ac.id/ijc/user/register. MULTI-WALLED CARBON NANOTUBES FOR ENHANCEMENT OF GROWTH OF MUSTARD SEEDS" in Indonesian Journal of Chemistry. Thank you for your intention to contribute to the journal and for letting us read your work.

Thank you for receiving my manuscript and I will make a payment for publication in the journal. I am sending the proof of remittance of my manuscript entitled "Application of functionalized MWCNT for growth enhancement of mustard seed germination Thank you. MULTI-WALLED CARBON NANOTUBES FOR GROWTH ENHANCEMENT OF MUSTARD SEED GERMINATION" for Indonesian Journal of Chemistry.

27.5.2020 [IJC] APPLICATION OF FUNCTIONALIZED MULTI-WALLED CARBON NANOTUBES FOR ENHANCEMENT OF MUSTARD SEED IMPROVEMENT GROWTH - [email protected]]FUNDIP.ac. ARBON NANOTUBES FOR GROWTH ENHANCEMENT OF MUSTARD SEED IMPROVEMENT Kotak Masuk×.

IJC] APPLICATION OF FUNCTIONALIZED MULTI-WALLED CARBON NANOTUBES FOR GROWTH ENHANCEMENT OF MUSTARD SEED GERMINATION Kotak Masuk ×

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Abstract Multi-walled carbon nanotubes (MWCNTs) are one of the nanomaterials that can be used in agriculture. 5] Aguilar-Elguezabal, A., Antunez, W., Alonso, G., Espinosa, F., and Miki-Yoshida, M., 2006, Investigation of carbon nanotube synthesis by spray pyrolysis and growth model, Diamond Relat. 7] Tiwari, D.K., Dasgupta-Schubert, N., Cendejas, L.M.V., Villegas, J., Montoya, L.C., and García, S.E.B., 2014, Interfacing carbon nano tubes (CNT) with plants: Enhancement growth, water and ionic in maize (Zea mays) and implications for nanoagriculture, Appl.

9] Yatim, N.M., Shaaban, A., Dimin, M.F., and Yusof, F., 2015, Statistical evaluation of the production of urea fertilizer multiwalled carbon nanotubes using Plackett Burman experimental design, Procedia Soc. 10] Tonucci, M.C., Gurgel, L.V.A., and de Aquino, S.F., 2015, Activated carbons from agricultural by-products (pine tree and coconut shell), coal and carbon nanotubes as adsorbents for the removal of sulfamethoxazole from thermodynamic aqueous and kinetic solutions: studies, Ind. 11] Park, S., and Ahn, Y.J., 2016, Multiwalled carbon nanotubes and silver nanoparticles differentially affect seed germination, chlorophyll content, and hydrogen peroxide accumulation in carrot (Daucus carota L.), Biocatal.

14] Sharma, R., Sharma, A.K., and Sharma, V., 2015, Synthesis of carbon nanotubes by arc discharge and chemical vapor deposition method with analysis of morphology, dispersion and functionalization characteristics, Cogent Eng. 15] Kumar, M., and Ando, Y., 2010, Chemical vapor deposition of carbon nanotubes: a review of the growth mechanism and mass production, J. 17] Chrzanowska, J., Hoffman, J., Małolepszy, A., Mazurkiewicz, M., Kowalewski, T.A., Szymanski, Z., and Stobinski, L., 2015, Synthesis of carbon nanotubes by laser ablation method: Effect of laser wavelength, Phys.

22] Ahmed, D.S., Haider, A.J., and Mohammad, M.R., 2013, Comparison of the functionality of multi-walled carbon nanotubes treated with olive oil and nitric acid and their characterization, Energy Procedia, 36, 1111–. 26] Begum, P., Ikhtiari, R., and Fugetsu, B., Matsuoka, M., Akasaka, T., and Watari, F., 2012, Phytotoxicity of multiwall carbon nanotubes assessed by selected plant species at the seedling stage, Appl. 30] Stancu, M., Ruxanda, G., Ciuparu, D., and Dinescu, A., 2011, Purification of multiwall carbon nanotubes obtained by AC arc discharge method, Optoelectron.

34] Wulandari, S.A., Ari n, Widiyandari, H., and Subagio, A., 2018, Synthesis and characterization of carboxyl-functionalized multi-walled carbon nanotubes (MWCNT-COOH) and NH2-functionalized multi-walled carbon nanotubes (MWCNT-NH2) , J. 36 ] Lee, J., Kim, M., Hong, C.K., and Shim, S.E., 2007, Measurement of the dispersion stability of pure and surface-modified multiwall carbon nanotubes in various nonpolar and polar solvents, Meas.

APPLICATION OF FUNCTIONALIZED MULTI-WALLED CARBON NANOTUBES FOR GROWTH ENHANCEMENT OF MUSTARD SEED GERMINATION

-Walled carbon nanotubes (MWCNT) is one of the nanomaterials that has become a new interest for many scientists to be applied in agricultural applications such as biosensors, fertilizer, catalyst, pesticide adsorbent [3-11]. Functionalization of MWCNT causes changes in properties from hydrophobic to hydrophilic, so the adsorption capacity, electrostatic interaction and covalent bonding of the walls will increase [12,13]. However, there is a problem if the concentration of MWCNT is too excessive, so it is necessary to optimize the concentration of carbon nanotubes in different types of plants. 2009) have reported the enhancement of tomato seed germination through better moisture permeation using carbon nanotube material.

The function of MWCNT is as new pores to permeate water by penetrating the seed layer and act as a part to channel water [12]. The use of MWCNT as a pore medium for water channels is interesting because the use of MWCNT that is too high will also cause toxicity to plants [14]. Srivastava (2014) investigated the potential influence of 0-50 g/mL MWCNT on these different seeds at different concentrations on wheat, maize, peanut and garlic.

The use of MWCNT in low doses has been able to increase water absorption and have an impact on the faster germination process, so that it can shorten the germination time [5]. The FTIR survey reveals the presence on all spectrums of strong structures near graphite as building structures of MWCNT. The SEM and TEM characterizations were used to determine the morphology of MWCNT with respect to the size of a tube that is believed to be smaller than the size of a plant cell.

The material of MWCNT was produced by the spray pyrolysis method as shown in Figure 1 with varying temperature of C. Therefore, the purification process of MWCNT from Fe catalyst residue should be carried out by reflux treatment. It is clear that these white clumps and spots do not represent MWCNT, but other materials that are by-products or waste materials of the process of MWCNT synthesis, namely amorphous carbon.

This indicates that the MWCNT functionalization process was able to assist the water dispersion process. At a MWCNT concentration of 50 g/mL there is an effect on maximum growth compared to concentrations of 25 g/mL and 75 g/mL. In conclusion, these results show that the MWCNT functionalization process has been successfully performed for the activation of MWCNT walls in the presence of the carboxylic group.

Figure 1. Schematic representation of spray pyrolysis method

Respon for Reviewer

10 rewritten in a better grammar At these temperatures, the source will split into more constituent carbons, a process that causes increasing diffusion of carbon onto the surface of the catalyst metal [20]. This result shows that the functionalization process of MWCNTs was able to help the dispersion process in water because there is a carboxyl group on the surface of MWCNTs that will increase the surface energy and reduce chemical affinity with dispersing media [39]. 17 adds more explanation why the higher concentration of MWCNT reduces the growth of the seeds.

One of the easier methods to make MWCNT by adjusting its diameter is the spray pyrolysis method. Based on this research, we will get the definite characteristic of MWCNT, especially dimension and composition of the functionalized MWCNT to enhance the growth of mustard plants. 5, you do not explain the reflux process here, while in the discussion you explain that there is a process to purify CNT with reflux.

8 I don't see any references you have given in this paragraph, but on the other hand you explain. You have obtained CNTs as a result of synthesis, but this does not mean that you can explain the mechanism that occurs unless it is based on an analysis of the process. 13 Figure 8 is replaced or furnished with a table so that the changes in atomic composition before and after the reflux process become clear.

A small peak at 37.4 in MWCNT before functionalization indicates the presence of Fe3C in the sample. Metal carbide acts as an active catalyst in the formation of tubular graphitic carbon structures and indicates the impurity of the sample [35]. Examination showed that there are differences in the two FTIR spectra, both in terms of wavenumber position and transmittance values.

Wavenumbers of 2,350 cm-1 are characteristic of the C=C group due to the integrity of the hexagonal MWCNT structure. In the case of functionalized MWCNTs, the characteristic O–H band appeared significantly broad and with higher intensity. This higher intensity is attributed to the increase in the number of hydroxyl groups on the MWCNT surface after functionalization.