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10 results on '"V.C. Padmanaban"'

1. Optimization Studies on Improving the Dielectric Properties of Alkali Treated Fibers from Phaseolus Vulgaris Reinforced Polyester Composites by Central Composite Design

Author

B. Gurukarthik Babu, D. Princewinston, V.C. Padmanaban, G.Abdul Lathief Sherief, M. Kiruba Sankar, and P.V. Aravind Bhaskar

Subjects
response surface methodology, face centered central composite design, dielectric strength, fibers, alkali treatment, Science, Textile bleaching, dyeing, printing, etc., TP890-933
Abstract

This study investigates the dielectric efficiency of a composite prepared using a fiber extracted from Phaseolus vulgaris. The extraction of fiber was statistically modeled using face-centered central composite design. The concentration of NaOH and extraction time was taken as the process variables and dielectric strength was taken as the response. The numerically optimized model for the extraction of fiber from Phaseolus vulgaris of alkali treatment showed 14.325 kV/cm as dielectric strength of initial NaOH concentration of 3% and time period of 51 min. The model was significant with R2 = 0.9323 and adjusted R2 = 0.884. The linear, quadratic & interactive relationship between the response (dielectric strength) and variables (NaOH & time) was also established. This study explains the importance of NaOH and time period in establishing the fiber extraction by the alkali treatment process.

Published
2021
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2. Contributors

Author

Morteza Afsari, Thanigaivelan Arumugham, Malini Balakrishnan, M.S. Balathanigaimani, Fawzi Banat, Vidya S. Batra, Vishnu Bhaskar, A. Brinda Lakshmi, Sai Karthik Cheemalamarry, Chart Chiemchaisri, Wilai Chiemchaisri, Narayan Ch Das, Tushar Kanti Das, K. Divya, C. Fonseka, P. Gomathi Priya, Jaeyeong Heo, Noel Jacob Kaleekkal, J. Kandasamy, Talloju Karanam Hemanth Kumar, N. Maheswari, Sriramani Mangipudi, Prasanna Kumar S. Mural, A. Nagendran, G. Naidu, Jenny Nambikkattu, A.R. Neelakandan, Krishna Rao Eswar Neerugatti, V.C. Padmanaban, K.S. Radha, G.K. Rajanikant, K. Rambabu, D. Rana, H. Ratnaweera, Mohammed Rivin S, S. Ryu, Paresh Kumar Samantaray, M. Sri Abirami Saraswathi, D. Shanthana Lakshmi, Vinayak Sharma, Wang Geun Shim, Ho Kyong Shon, Nehil Shreyash, Nimisha Singh, Satyapaul A. Singh, Muskan Sonker, I. Sreedhar, Chethana Sudarshan, Leonard D. Tijing, Saurabh Kr Tiwary, Yaddanapudi Varun, Naveen Kumar Veldurthi, S. Vigneswaran, Chayanid Witthayaphirom, and Sushila Yadav

Published
2022

5. List of contributors

Author

S. Abiramasundari, Nadia Afsheen, Ishtiaq Ahmed, Mahboob Alam, Farman Ali, Nisar Ali, Tayyub Ali, Tibor Alpár, Nowshad Amin, Nilofar Asim, Marzieh Badiei, Ram Naresh Bharagava, Rajeev Bhat, Muhammad Bilal, Ivana Cesarino, Ram Chandra, Paweł Chmielarz, Yaser Dahman, Otavio Augusto Titton Dias, Luiz Fernando Romanholo Ferreira, Thomas Geiger, Nishil Gosalia, Nikita Goswami, Sarminiyy Lenga Gururuloo, K. M. Faridul Hasan, Katrin Greta Hoffmann, Péter György Horváth, Asim Hussain, Nishanth Ignatius, Hafiz M.N. Iqbal, Zara Jabeen, Mohammad Jawaid, Nurul Huda Abd Kadir, George N. Karuku, Adnan Khan, Aleksa Krunic, Adarsh Kumar, Gulshan Kumar, Ritesh Kumar, Tushar Kumar, Vineet Kumar, Chin Wei Lai, Alcides Lopes Leão, Ming Liu, Peter Ma, G. Madhubala, Sumeet Malik, Damaris Mbui, Shweta Mishra, Masita Mohammad, Sikandar I. Mulla, Ashok Kumar, Tuan Anh Nguyen, Gustav Nyström, V.C. Padmanaban, Anil M. Pethe, Anthony Poblete, Sonal Prasad, null Prerna, Hamza Rafeeq, Abbas Rahdar, Tahir Rasheed, Sheel Ratna, Komal Rizwan, Kiplangat Rop, Nelson Pynadathu Rumjit, Nurul Asma Samsudin, Swati Sharma, Farooq Sher, Thayvee Geetha Bharathi Silvaragi, Ajay Kumar Singh, Palakjot K. Sodhi, Kamaruzzaman Sopian, Milena Chanes de Souza, K.R. Talluri Rameshwari, Mohammad Torkashvand, Vivek Yadav, and Izabela Zaborniak

Published
2022

6. Contributors

Author

Rashid Abro, Adeyemi Adesina, Akil Ahmad, Shoaib Ahmed, Zahoor Ahamd, Faheem Akhter, Esfandyar Ali, Imran Ali, Muhammad Anees, Viswadevarayalu Annavaram, Paul O. Awoyera, Muhammad Ashar Ayub, Alexander V. Babkin, Humair Ahmed Baloch, Erick R. Bandala, Sushmita Banerjee, Pranta Barua, Jigna R. Bhamore, Alexander E. Burakov, Irina V. Burakova, Heena Chauhan, Guilherme C.F. Cruz, Ana Belen Cueva-Sola, Sumistha Das, Nitai Debnath, Shikha Dhiman, Zia Ur Rahman Farooqi, Hina Fatima, Vinod Kumar Garg, Pavan Kumar Gautam, Renuka Gupta, Wasim M.K. Helal, Nazia Hossain, Mohamad Nasir Mohd Ibrahim, Eberechukwu Laura Ikechukwu, Tariqul Islam, Abdul Sattar Jatoi, Jong-Ryul Jeong, Juliana John, Sumalatha Jorepalli, Rajesh Kumar Jyothi, Suresh Kumar Kailasa, Rama Rao Karri, Navish Kataria, Md Shahidullah Kayshar, Dongsoo Kim, Mehmet Serkan Kırgız, Janardhan Reddy Koduru, Rambabu Kuchi, Jai Kumar, Kashif Latif, Jin-Young Lee, Lucas G. Martins, Shaukat Ali Mazari, Daniel A. Medina-Orendain, Alexander V. Melezhik, Abdul Qayoom Memon, Nabisab Mujawar Mubarak, Atta Muhammad, Riaz Muhammad, Muhammad Nadeem, Asif Naeem, Iffat Naz, Elena A. Neskoromnaya, Sabzoi Nizamuddin, Chidozie Charles Nnaji, Amina Othmani, V.C. Padmanaban, Krishna Kumar Pandey, Pankaj Kumar Parhi, Tae-Jung Park, Irwing Ramirez, Mohd Rashid, Shalu Rawat, Abdul Rehman, Muhammad Zia ur Rehman, Muhammad Rizwan, Oscar M. Rodríguez-Narvaez, Nizamuddin Sabzoi, Sintu Kumar Samanta, Raluca Savu, Shama Sehar, Muhammad Shabaan, Bhanu Shrestha, MTH Sidddiqui, Geoffrey S. Simate, Bharti Singh, Jiwan Singh, Megha Singh, Ved Vati Singh, Adinarayana Reddy Somala, Danijela Stanisic, Ljubica Tasic, Alexey G. Tkachev, Manoj Tripathi, Emmanuel Ikechukwu Ugwu, Muhammad Umair, Wajid Umar, Deborah L. Villaseñor-Basulto, Asim Ali Yaqoob, Adnan Younis, and Husnain Zia

Published
2022

8. Optimization Studies on Improving the Dielectric Properties of Alkali Treated Fibers from Phaseolus Vulgaris Reinforced Polyester Composites by Central Composite Design

Author

P.V. Aravind Bhaskar, M. Kiruba Sankar, D. Princewinston, G.Abdul Lathief Sherief, V.C. Padmanaban, and B. Gurukarthik Babu

Subjects
Materials science, biology, Central composite design, Materials Science (miscellaneous), Composite number, Extraction (chemistry), food and beverages, 02 engineering and technology, Dielectric, 010501 environmental sciences, 021001 nanoscience & nanotechnology, biology.organism_classification, Alkali metal, 01 natural sciences, Polyester composite, Fiber, Phaseolus, Composite material, 0210 nano-technology, 0105 earth and related environmental sciences
Abstract

This study investigates the dielectric efficiency of a composite prepared using a fiber extracted from Phaseolus vulgaris. The extraction of fiber was statistically modeled using face-centered cent...

Published
2019

9. Surface modification of nanocellulose using polypyrrole for the adsorptive removal of Congo red dye and chromium in binary mixture.

Author

Shahnaz, Tasrin, S., Mohamed Madhar Fazil, V.C., Padmanaban, and Narayanasamy, Selvaraju

Subjects
*CHROMIUM ions, *CONGO red (Staining dye), *BINARY mixtures, *POLYPYRROLE, *CHROMIUM, *LANGMUIR isotherms, *CRYSTAL structure
Abstract

In this study, nanocellulose was synthesised by acid hydrolysis of cellulose and was coupled with polypyrrole supporting matrix. The synthesised nanocellulose polypyrrole composite (NCPPY) was characterised by FESEM, XRD, FTIR, BET, TGA/DSC and NMR. These analysis showed the conversion of cellulose to nano sized crystalline structure with excellent thermal stability and higher surface area. The effect of different parameters like pH, temperature, contact time, adsorbent dosage and initial concentration of Chromium (Cr(VI)) and Congo Red (CR) were optimised in batch mode. Response Surface Methodology (RSM) has been employed as an optimization tool for the efficient removal of Cr(VI) and CR and the maximum removal efficiency was found to be 80% and 85% respectively. The Langmuir and Freundlich isotherm well fitted the equilibrium data for CR and Cr(VI) respectively. Thermodynamic data showed that the biosorption of Cr(VI) and CR on NCPPY is an endothermic, spontaneous, and entropy-driven process. The adsorption kinetic followed pseudo-second-order for Cr(VI) and intraparticle diffusion for CR. Effect of co-existing ions were checked using several common salts and heavy metals. Results indicated that NCPPY has great potential to remove Cr(VI) and CR binary mixture under simulated conditions. Unlabelled Image • NCPPY was investigated for adsorption of simulated Cr(VI) and CR in a binary mixture. • Modified cellulose were converted to nanocrystalline cellulose. • Effect of pH, temperature, time, dosage and concentration of Cr(VI)-CR were studied. • Maximum removal of 80% for Cr(VI) and 85% for CR was observed. • NCPPY has great potential to remove Cr(VI), CR Binary mixture. [ABSTRACT FROM AUTHOR]

Published
2020
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