Dr. REKHA PACHAIAPPAN, M.Sc., Ph.D.,

ASSOCIATE PROFESSOR
Department of Physical Sciences (S&H)

SIMATS School of Engineering,

Thandalam, Chennai – 602 105

Phone: 98405 41091

E-mail: rekhap.sse@saveetha.com ; rekha.ap@gmail.com

Google Scholar: https://scholar.google.com/citations?user=Y9UjB0MAAAAJ&hl=en

Rekha Pachaiappan had carried out her UG & PG in Physics at University of Madras, followed by her Ph.D., degree from Anna University in the year 2017. The research work was performed on early diagnosis of oral cancer using Optical spectroscopic characterization of biofluids. During her Ph.D., achieved Junior Research Fellowship from DAE-BRNS (Govt. of INDIA). Further, she had assisted 16 M.Sc. projects, 3 M.Phil. projects, 2 M.D. projects & 15 M.Sc. internships. She had worked as one of the Researcher in the University with Potential for Excellence (UPE), Anna University from 2017 to 2018. During this period, she worked in the project entitled “Development of Infrastructure development in Medical Physics and Pathogen Identification”. Her research skills include the handling Micro RAMAN Spectrometer (Lab RAM HR800 Horiba Jobin Yvon), Fluorescence Spectrometer (both steady state and time resolved fluorescence) (Horiba Jobin Yvon), Attenuated Total Reflection-Fourier Transform Infrared Spectrometer (JASCO 4000 Series), UV- Vis absorption spectrometer (Perkin-Elmer), Capillary Electrophoresis – Laser Induced Fluorescence spectrometer and Q-switched Nd:YAG Laser for SHG. She holds experience in the preparation of nanomaterials. Working knowledge in data analysis using statistical softwares- SPSS, Matlab, R Programming and Origin. She had started her full time teaching carrier as an Assistant Professor of Physics in Adhiyaman Arts & Science College for Women, Krishnagiri and Stella Maris College (Autonomous), Chennai for the period 2018-2021. She worked as External Researcher in University of Tarapaca, Chile, for the period 2021-2022.

Currently, research attentiveness was given towards the nanotechnology which aids in the development of renewable energy and environmental applications to meet out seventeen SDGs goals proposed by UN. She has guided 21 PG projects and 2 M.Phil. projects during her teaching carrier in the area of green nanomaterials and crystal growth. She possess International peer reviewed 26 research publications with h-index: 08, i-10 index: 08 & citations: 244. She had published 5 book chapters in the field of oncology and wastewater treatment. She along with her colleague had prepared and published “PG Physics General Practical Book” under Periyar University Syllabus in the year 2019 [ISBN : 978-93-5382-001-5]. She had presented her works in more than 35 International/National conferences, workshop and seminars. Received 3 best paper awards for her research work. As on date, she is working as Associate Professor, Department of Physical Sciences, SIMATS School of Engineering, Thandalam, Chennai, Tamil Nadu, INDIA. Currently engaged as a Reviewer in International Journals which includes Analytical Methods- RSC, Biomass Conversion and Biorefinery etc., Actively working as, a one of the editorial board member in International Journal of Advanced Science and Engineering.

RESEARCH PUBLICATIONS

1. Rekha, P, Aruna, P, Amuthachelvi, D, Wilfred Prasanna, S, Udayakumar, K, Bharanidharan, G, Baludavid, M & Ganesan, S 2013, “Raman spectroscopic characterization of oral cancer blood plasma”, IEEE 4th International Conference on Photonics (ICP), pp. 135-137. DOI: 10.1109/ICP.2013.6687092. Print ISSN: 2330-5665.

2. Rekha, P, Aruna P, Bharanidharan, G, Koteeswaran, D, Baludavid, M, & Ganesan, S 2015, ‘Near infrared Raman spectroscopic characterization of blood plasma of normal, oral premalignant and malignant conditions—a pilot study’, Journal of Raman Spectroscopy, vol.46, no.9, pp. 735-743. DOI: 10.1002/jrs.4693. ISSN : 0377-0486 (print) 1097-4555 (web). Impact Factor : 3.133

3. Anjana, K, Rekha, P, Aruna, P & Ganesan, S 2016, “Steady state fluorescence spectroscopic characterization of normal and diabetic urine at selective excitation wavelength 280 nm”, In SPIE BIOS 2016, International Society for Optics and Photonics, pp. 97031H-97031H. https://doi.org/10.1117/12.2212625.

4. Rekha, P, Aruna, P & Ganesan, S 2016, “Study on discrimination of oral cancer from normal using blood plasma based on fluorescence steady excitation wavelength 280 nm”, In SPIE BIOS 2016, International Society for Optics and Photonics, pp. 97031F-97031F. https://doi.org/10.1117/12.2213098.

5. Rekha, P, Aruna, P, Brindha, E, Koteeswaran, D, Baludavid, M, & Ganesan, S 2016, ‘Near infrared Raman spectroscopic characterization of salivary metabolites in the discrimination of normal from oral premalignant and malignant conditions’, Journal of Raman Spectroscopy, vol.47, no.7, pp. 763-772. DOI: 10.1002/jrs.4897. ISSN : 0377-0486 (print) 1097-4555 (web). Impact Factor : 3.133

6. Rekha, P, Aruna, P, Anjana, K & Ganesan, S 2017, presented a paper in an oral session entitled “Native Fluorescence Spectroscopy: An optical tool in delineating oral cancer patients from normal subjects and diabetic patients using urine”, in the 9th International Conference on Trends in Industrial Measurements and Automation (TIMA- 2017) held during 6th – 8th January 2017, MIT, Anna University, Chennai, Tamil Nadu, INDIA, IEEE publication. DOI: 10.1109/TIMA.2017.8064822. INSPEC Accession Number: 17256588.

7. Rekha, P, Aruna, P, Suresh Kumar, M & Ganesan, S 2017, “High wavenumber raman spectroscopic characterization of normal and oral cancer using blood plasma”, Proc. SPIE 10054, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XV, 1005402 (14 February 2017); https://doi.org/10.1117/12.2255602.

8. Rekha, P, Aruna, P & Ganesan, S 2017, “Attenuated Total Reflection Fourier Transform Infrared (ATR-FTIR) in the discrimination of normal and oral cancer blood plasma”, In SPIE BIOS 2017, Proceedings Volume 10060, Optical Biopsy XV: Toward Real-Time Spectroscopic Imaging and Diagnosis; 100601C (2017) https://doi.org/10.1117/12.2255605.

9. Rekha P, Aruna P, Yuvaraj M, Koteeswaran D & Ganesan S 2017, “Oral cancer detection based on fluorescence polarization of blood plasma at excitation wavelength 405 nm”, In SPIE BIOS 2017, Proceedings Volume 10060, Optical Biopsy XV: Toward Real-Time Spectroscopic Imaging and Diagnosis; 100601D (2017) https://doi.org/10.1117/12.2255718.

10. Rekha, P, Aruna, P & Ganesan, S 2017, “Polarized Raman spectroscopic characterization of normal and oral cancer blood plasma”, In SPIE BIOS 2017, Proceedings Volume 10054, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XV; 100541F (2017) https://doi.org/10.1117/12.2255600.

11. Rekha P, Gomathi M 2019, ‘Semiorganic Synthesis of Zinc Oxide Nanoparticles Using Adhatoda Vasica Leaf Extract And Its Optical & Structural Characterization’, Journal of Emerging Technologies and Innovative Research, vol.6, no. 2, pp. 44 - 47. JETIR1902608. ISSN : 2349-5162.

12. Rathika R, Kovendhan M, Paul Joseph Daniel, Rekha P, Kumar AS, Vijayarangamuthu K, Venkateswaran C, Asokan K, Jeyakumar SJ 2020, “Tailoring the properties of spray deposited V2O5 thin films using swift heavy ion beam irradiation”, Nuclear Engineering and Technology, vol.52, no.11, pp.2585-2593. DOI: 10.1016/j.net.2020.04.013. Impact Factor : 2.341

13. Rekha P, Saravanan R, Gomathi R, Dai-Viet N. Vo, Mohanapriya P, Matias Soto-Moscoso, 2021, “Green Synthesis of Zinc Oxide Nanoparticles by Justicia Adhatoda Leaf and Its Antimicrobial Activity”, Chemical Engineering & Technology, vol. 44, no. 3, pp. 551-558. https://doi.org/10.1002/ceat.202000470. Impact Factor : 1.728

14. Priya AK, Rekha P, Jalil AA, Senthil Kumar P, Dai-Viet N, Saravanan R 2021, “The war using microbes: A Sustainable approach for wastewater management”, Environmental Pollution, vol. 275, pp. 116598. https://doi.org/10.1016/j.envpol.2021.116598. ISSN 0269-7491. Impact Factor : 8.071

15. Rekha P, Saravanan R, Pau Loke Show, Kovendhan M, Mu. Naushad 2021, “Metal/Metal Oxide Nanocomposites for Bactericidal Effect: A Review”, Chemosphere, vol 272, pp. 128607, doi.org/10.1016/j.chemosphere.2020.128607. ISSN 0045-6535. Impact Factor : 7.086

16. Saravanan R, Rekha P, Tuan K.A. Hoang, Sekar Karthikeyan, Lalitha Gnanasekaran, S Vadivel, Matias Soto- Moscoso,

M.A. Gracia-Pinilla 2021, “CuO-ZnO-PANI a lethal p-n-p combination in degradation of 4-chlorophenol”, Journal of Hazardous Materials, vol. 416, pp. 125989. https://doi.org/10.1016/j.jhazmat.2021.125989. Impact Factor : 10.588

17. Pachaiappan R, Rajendran S, Kumar PS, Vo DV, Hoang TK, Cornejo-Ponce L 2021, “Recent advances in carbon nitride-based nanomaterials for hydrogen production and storage”, International Journal of Hydrogen Energy. 2021 Sep 21. https://doi.org/10.1016/j.ijhydene.2021.09.062. Impact Factor : 7.139

18. Lalitha G, Rekha P, Senthil Kumar P, Tuan K.A. Hoang, Saravanan R, Durgalakshmi D, Matias Soto-Moscoso, Lorena Cornejo Ponce, Francisco Gracia 2021, “Visible light driven exotic p (CuO) - n (TiO2) heterojunction for the photodegradation of 4-chlorophenol and antibacterial activity”, Journal of Molecular Liquids, vol. 287, pp. 117304. https://doi.org/10.1016/j.envpol.2021.117304. Impact Factor : 6.165

19. Pachaiappan R, Rajendran S, Kumar PS, Vo DV, Hoang TK. A review of recent progress on photocatalytic carbon dioxide reduction into sustainable energy products using carbon nitride. Chemical Engineering Research and Design. 2022 Jan 1;177:304-20. https://doi.org/10.1016/j.cherd.2021.11.006. Impact Factor : 3.739

20. Gomathi Ramalingam, Rekha Pachaiappan, P. Senthil Kumar, Shanmugapriya Dharani, Saravanan Rajendran, Dai- Viet N. Vo, Tuan K.A. Hoang 2021, “Hybrid metal organic frameworks as an Exotic material for the photocatalytic degradation of pollutants present in wastewater: A review”, Chemosphere, 132448, ISSN 0045-6535. https://doi.org/10.1016/j.chemosphere.2021.132448. Impact Factor : 7.086

21. Karchiyappan T, Pachaiappan R. Protein recovery from sweet potato starch wastewater using modified chitosan. Journal of Applied Water Engineering and Research. 2022 Mar 9:1-9. https://doi.org/10.1080/23249676.2022.2031321. Impact Factor : 0.942

22. Pachaiappan R, Lorena Cornejo-Ponce, ……Fathi Awad. “A review on biofiltration techniques: Recent advancements in the removal of volatile organic compounds and heavy metals in the treatment of polluted water”, Bioengineered. vol.34, pp. 8432-8477. https://doi.org/10.1080/21655979.2022.2050538. Impact Factor : 3.269

23. R Rathika, M Kovendhan, DP Joseph, R Pachaiappan, JM Fernandes, ...”Recrystallization effects in spray-pyrolyzed Nb2O5 thin films induced by 100 MeV O7+ swift heavy ion beam irradiation”, Materials Science and Engineering: B, vol.286, p. 116071, ISSN 0921-5107. https://doi.org/10.1016/j.mseb.2022.116071. Impact Factor: 3.407

24. Vennila Raj, Rekha Pachaiappan, Lorena Cornejo-Ponce,…….. "Green Synthesis of Lawsone Coated CeO2-Glycine Nanocomplex Using Solanum Nigrum Plant Extract And Their Anitmicrobial Activity", Journal of Bioinorganic Chemistry and Applications , 2023.

BOOK/BOOK CHAPTERS

Ø PG Physics General Practical Book – Periyar University Syllabus – 2019, ISBN : 978-93-5382-001-5.

Ø Book chapter entitled "ROLE OF METALS, METAL OXIDES AND SULPHIDES IN DIAGNOSIS AND TREATMENT OF CANCER", Rekha Pachiappan and Kovendhan Manavalan, Book Title : ‘Metals, Metal Oxides and Metal Sulphides for Biomedical Applications’, 2020, Editor(s): Editors: Rajendran, S., ... (Eds.) DOI : 10.1007/978- 3-030-56413-1 Series ISSN: 2213-7114, Springer International Publication (Springer Nature Switzerland AG). Vol. 58, PP XIII, 365, e-Book ISBN : 978-3-030-56413-1, Hardcover ISBN : 978-3-030-56412-4. https://link.springer.com/chapter/10.1007/978-3-030-56413-1_6.

Ø Book chapter entitled “NANOTHERANOSTICS: EMERGING STRATEGIES FOR EARLY DIAGNOSIS AND THERAPY OF CANCER”, Rekha Pachiappan and Kovendhan Manavalan, Book Title : ‘Cancer Nanotheranostics”, 2021, Editor(s): Dr. Hamed Barabadi...Springer Nature Switzerland AG, Gewerbestrasse 11, 6330 Cham, Switzerland.

Ø Book chapter entitled “NANOPARTICLES IN INDUSTRIAL WASTEWATER TREATMENT: AN OVERVIEW”, Rekha Pachaiappan, Saravanan Rajendran and Lorena Cornejo-Ponce, Book Title : ‘Industrial Wastewater Treatment using Emerging Technologies for Sustainability’, 2022, Editor(s): PK Thirugnanasambandham…Springer Publication.

Ø Book chapter entitled “NANOMATERIALS BASED SMART COATINGS FOR ANTIBACTERIAL, ANTIFUNGAL AND ANTIVIRAL ACTIVITIES", Rekha Pachaiappan, Lorena Cornejo-Ponce,... 2023, Elsevier Publications (Under Process).

Ø Book Chapter entitled “NANOTECHNOLOGY IN ANTIBACTERIAL, ANTIFUNGAL AND ANTIVIRAL COATINGS", Vincent Femilaa Rajan, Rekha Pachaiappan, Lorena Cornejo-Ponce, 2023, Elsevier Publications (Under Process).

MEMBERSHIP

Ø Indian Laser Association (ILA 1247) – Life Time Member

Ø Indian Science and Technology Association (Elavenil) – Life Time Member

AWARDS RECEIVED

Ø Junior Research Fellow - Department of Atomic Energy - Board of Research in Nuclear Sciences (DAE-BRNS), Government of India. (2015 – 2016)

Ø Best Paper Award for “Surface Enhanced Visible Raman Technique in the Classification of Normal and Oral Cancer Blood Plasma Using Gold Nanoparticles” at 2nd International Conference on Recent Trends in Applied Science and Technology (ICRTAST – 2108), ISTA Elavenil Conference 2018, Periyar University, Salem.

Ø Best Paper Award for “Fabrication of zinc oxide nano structures mediated by nyctanthes arbor-tristis leaf and flower extracts from different zinc precursors for its dynamic role in bactericidal application : A Comparative Study” at 2nd International Virtual Conference on Recent Trends in Clean Technologies for Sustainable Environment (CTSE-2021) held on 06th & 07th May 2021 organized by the Department of Chemical Engineering, SSN College of Engineering, Chennai.

Ø INSC Award for M.Sc. Students' Project – (2018 - 2019)