University of Bengkulu

M. Lutfi Firdaus, Ph.D

Education:

2004 – 2007: Faculty of Sciences, Kyoto University, Japan / Ph.D in Environmental Chemistry (Monbusho Scholarship)
1998 – 2000: Dept. Earth and Planetary Sciences, ITB, Indonesia / M.Eng. in Environ. Engineering (World Bank Scholarship)
1992 – 1997: Faculty of Sciences, Padjadjaran University, Indonesia / B.Sc. in Chemistry

Postdoctoral / visiting scholar:

Kyoto University, Japan (2010, Mext / Prof. Yoshiki Sohrin)
The University of Tokyo, Japan (2013, JSPS / Prof. Hajime Obata)
International Centre for Theoretical Physics, Italy (2016, ICTP / Prof. Abdus Salam found.)
MIT, United States of America (Spring 2017, Fulbright / Prof. Edward A. Boyle)
Imperial College London, UK (Summer 2018, RI Embassy / Prof. Mark Rehkamper)

Appointment:

Professor at Graduate School of Science Education, University of Bengkulu

Collaborative Professor at Kanazawa University

Related links:

Scopus h-index: 14

Sinta RISTEK/BRIN: 2232

Google Scholar: 19

Publons / Web of Science: 13

Portal Garuda: 2.12

Research Interests:

Environmental Chemistry, Chemical Oceanography, Analytical Chemistry and Science Education. Currently, I am interested in developing green, low-cost and portable analytical methods for quantification of chemical compounds in environments, based on digital-image colorimetry and chemometrics, coupled with paper-based analytical device.

Selected Publications:

M. Lutfi Firdaus, Kazuhiro Norisuye, Taishi Sato, Shouhei Urushihara, Yusuke Nakagawa, Shigeo Umetani and Yoshiki Sohrin (2007) Preconcentration of Zr, Hf, Nb, Ta and W in seawater using solid-phase extraction on TSK-8-hydroxyquinoline resin and determination by inductively coupled plasma-mass spectrometry. Analytica Chimica Acta. 583. 296-302. [Web of Science IF 4.52 | and Scopus Q1] ACA 2007.pdf
Yusuke Nakagawa, M. Lutfi Firdaus, Kazuhiro Norisuye, Yoshiki Sohrin, Keita Irisawa and Takafumi Hirata (2008) Precise Isotopic Analysis of Mo in Seawater Using Multiple Collector-Inductively Coupled Mass Spectrometry Coupled with a Chelating Resin Column Preconcentration Method. Analytical Chemistry. 80. 9213–9219. [IF 5.83 | Q1] AC 2008.pdf
M. Lutfi Firdaus, Kazuhiro Norisuye, Yusuke Nakagawa, Seiji Nakatsuka and Yoshiki Sohrin (2008) Dissolved and Labile Particulate Zr, Hf, Nb, Ta, Mo and W in the Western North Pacific Ocean. Journal of Oceanography. 64. 247-257. [IF 1.46 | Q1] JO 2008.pdf
Seiji Nakatsuka, Kei Okamura, Shigenobu Takeda, Jun Nishioka, M. Lutfi Firdaus, Kazuhiro Norisuye, Yoshiki Sohrin (2009) Behaviors of dissolved and particulate Co, Ni, Cu, Zn, Cd and Pb during a mesoscale Fe enrichment experiment (SEEDS II) in the western north Pacific. Deep Sea Research II. 56. 2822-2838. [IF 2.76 | Q1] DSR 2009.pdf
M. Lutfi Firdaus, Minami Tomoharu, Kazuhiro Norisuye and Yoshiki Sohrin (2011) Strong elemental fractionation of Zr-Hf and Nb-Ta across the Pacific Ocean. Nature Geoscience. 4. 227–230. [IF 21.5 | Q1] NGS 2011.pdf -> Featured Article
Yusuke Nakagawa, S. Takano, M. Lutfi Firdaus, K. Norisuye, T. Hirata, Derek Vance and Yoshiki Sohrin (2012) The molybdenum isotopic composition of the modern ocean. Geochemical Journal. 46. 131-141. [IF 1.94 | Q3] GJ 2012.pdf -> GJ 2013 Journal Award
M. Lutfi Firdaus, Ikka F., Santhy W., Yeni W.H., Renat K., Jason A. McAlister, Hajime O., Toshitaka G. (2017) Colorimetric Detection of Mercury (II) Ion in Aqueous Solution Using Silver Nanoparticles, Analytical Sciences, 33 (7), 831-837 [IF 1.17 | Q3] Analyt. Sci. 2017 -> Most Cited Award
M. Lutfi Firdaus, Efa Susanti, Ghufira, Wiwit Alwi, Eko Swistoro (2018) Isotherm, kinetics and thermodynamics of synthetic dyes adsorption onto activated charcoal made from oil palm midrib. Rasayan Journal of Chemistry, 11 (4), 1532-1536 [Scopus-index | Q2]. Link
M. Lutfi Firdaus, Asami S Mashio, Taejin Kim, Ronald Muhammad, Jason A McAlister, Hajime Obata, Toshitaka Gamo, Renat Khaydarov (2018) Simultaneous measurement of picomolar zirconium, hafnium, niobium and tantalum in seawater using commercially available chelating resin and subsequent ICP-MS determination, Geochemical Journal, 52 (5), 427-431 [IF 1.94 | Q3]. Link
M. Lutfi Firdaus, Asami S Mashio, Hajime Obata, Jason A McAlister, Kristin J Orians (2018) Distribution of zirconium, hafnium, niobium and tantalum in the North Atlantic Ocean, northeastern Indian Ocean and its adjacent seas, Deep Sea Research Part I: Oceanographic Research Papers, 140 (1), 128-135 [IF 2.4 | Q1]. Link
M. Lutfi Firdaus, Aprian, A., Meileza, N., Hitsmi, M., Elvia, R., Rahmidar, L., & Khaydarov, R. (2019) Smartphone Coupled with a Paper-Based Colorimetric Device for Sensitive and Portable Mercury Ion Sensing. Chemosensors, 7 (2), 25 [IF 4.2 | Q2] Link -> Most Cited & Viewed
M. Lutfi Firdaus, Madina, F.E., Sasti, Y.F., Elvia, R., Ishmah, S.N., Eddy, D.R., Cid-Andres, A.P. (2020) Silica extraction from beach sand for dyes removal: Isotherms, kinetics and thermodynamics. Rasayan Journal of Chemistry, 13 (1), 249-254 [Scopus-index | Q2]. Link
Diana R. Eddy, Soraya Nur Ishmah, M. Diki Permana and M. Lutfi Firdaus (2020) Synthesis of Titanium Dioxide/Silicon Dioxide from Beach Sand as Photocatalyst for Cr and Pb Remediation. Catalysts, 10(11), 1248 [IF 3.5 / Q2]. Link
Gusti, N., Oktarina, D., Elvia, R., Nursa’adah, E., Wardhana, R. W., Sudaryono, A., M. Lutfi Firdaus (2021) Facile Detection of Oil Adulteration using UV-Visible Spectroscopy Coupled with Chemometrics Analysis. Science and Technology Indonesia, 6(1), 14-18. [Sinta 1 | SJR Q3]. Link
Wyantuti, S., Setyorini, Z., Ishmayana, S., Hartati, Y., & M. Lutfi Firdaus (2021). Optimization of Voltammetric Determination of Dysprosium (III) Using Plackett-Burman and RSM-CCD Experimental Designs. Baghdad Science Journal, 17(4), 1198-1198 [Scopus | Q4]. Link
Annisa Luthfiah, Yusi Deawati, M. Lutfi Firdaus, Iman Rahayu, Diana Rakhmawaty Eddy (2021) Silica from Natural Sources: a Review on the Extraction and Potential Application as a Supporting Photocatalytic Material for Antibacterial Activity. Science and Technology Indonesia, 6(3), 144-155. [Sinta 1 | Scopus indexed]. Link
Diana Rakhmawaty Eddy, Soraya Nur Ishmah, Muhamad Diki Permana, M. Lutfi Firdaus, Iman Rahayu, Yaser A. El-Badry, Enas E. Hussein and Zeinhom M. El-Bahy (2021) Photocatalytic Phenol Degradation by Silica-Modified Titanium Dioxide, Applied Sciences, 11(19), 9033 [IF 2.7 | Q2]. Link -> Output World Class Professor grant (UI link).
Annisa Luthfiah, Muhamad Diki Permana, Yusi Deawati, M. Lutfi Firdaus, Iman Rahayu and Diana Rakhmawaty Eddy (2021) Photocatalysis of nanocomposite titania–natural silica as antibacterial against Staphylococcus aureus and Pseudomonas aeruginosa, RSC Advances, 11(61), 38528-38536 [IF 3.4 | SJR Q1]. Link -> Output of DRTPM WCP research grant.
M. Lutfi Firdaus, Eduwin Saputra, Sura Menda Ginting, Santhy Wyantuti, Diana Rakhmawaty Eddy, Lena Rahmidar, Brian Yuliarto (2022) Smartphone-based digital image colorimetry for non-enzymatic detection of glucose using gold nanoparticles, Sensing and Bio-Sensing Research, 35, 100472 [IF 4.7 | Q1]. Link -> Output of DRTPM research grant.
Zakiyyah, S. N., Eddy, D. R., M. Lutfi Firdaus, Subroto, T., & Hartati, Y. W. (2022). Screen-printed carbon electrode/natural silica-ceria nanocomposite for electrochemical aptasensor application. Journal of Electrochemical Science and Engineering, 12(6), 1225-1242. [SJR Q3] Link
Permana, M. D., Sakti, L. K., Luthfiah, A., M. Lutfi Firdaus, Takei, T., Eddy, D. R., & Rahayu, I. (2023). A Simple Methods for Determination of Methylene Blue using Smartphone-Based as Digital Image Colorimetry. Trends in Sciences, 20(4), 5149-5149. [SJR Q3] Link
M. Lutfi Firdaus, Apriyoanda, H., Isnan, I., Wyantuti, S., & Eddy, D. R. (2023). Quantitative analysis of Cr (III) and Cr (VI) using gold nanoparticles with UV-vis spectrometry and smartphone colorimetric-sensing. Iranian Journal of Chemistry and Chemical Engineering. [SJR Q3] Link -> Output of DRTPM research grant. 🧲
Eddy, D. R., Luthfiah, A., Permana, M. D., Deawati, Y., M. Lutfi Firdaus, Rahayu, I., & Izumi, Y. (2023). Rapid Probing of Self-Cleaning Activity on Polyester Coated by Titania–Natural Silica Nanocomposite Using Digital Image-Based Colorimetry. ACS Omega, 8(8), 7858-7867. [SJR Q1] Link -> Output of DRTPM research grant. 🎌
M. Lutfi Firdaus, Rizki M Okumura, Euis Nursaadah, et al. (2023).Colorimetric Sensing of Ascorbic Acid Using Cu-Phen MOFs and Subsequent Digital Image Analysis with Smartphone. Science and Technology Indonesia, 8(4), 660-665. [Sinta 1 | Scopus Q2] Link -> Output of DRTPM research grant. 🇮🇩
Sakti, L. K., Eddy, D. R., Permana, M. D., M. Lutfi Firdaus, Deawati, Y., & Rahayu, I. (2024). Utilizing TiO2 photocatalysis and natural SiO2 superhydrophilicity synergy to improve self-cleaning activity in cotton fabric. Cellulose, 31, 5885–5898. [SJR Q1] | Link
Aqillah, F., Permana, M. D., Eddy, D. R., M. Lutfi Firdaus, Takei, T., & Rahayu, I. (2024). Detection and quantification of Cu2+ ion using gold nanoparticles via Smartphone-based digital imaging colorimetry technique. Results in Chemistry, 7, 101418. [SJR Q2] | Link
Syahnur, F. R., Permana, M. D., Pratama, R. A., Deawati, Y., M. Lutfi Firdaus, Eddy, D. R., & Rahayu, I. (2025). Exploring chemical, physical, and biosynthesis methods for ZnO/SiO2: Synthesis strategies and applications. Inorganic Chemistry Communications, 113659. [SJR Q1] | Link
Shabrina, A. N., Nursa’adah, E., & Firdaus, M. L. (2025). Quantitative Detection of Hexavalent Chromium in Aquatic Environments Using Digital Image Colorimetry and the Green Chemistry Approach. ACS Sustainable Chemistry & Engineering. 13, 24, 9177–9185 [SJR Q1] | Link
Syahnur, F. R., Permana, M. D., Dwiyanti, D., Eddy, D. R., Deawati, Y., Takei, T., & Firdaus, M. L. (2025). Influence of Zn2+ amount on zinc silicate phase from natural silica via hydrothermal synthesis method and evaluation of photocatalytic activity. Emergent Materials, 1-12. [SJR Q2] | Link

Books:

Oseanografi: Pendekatan dari ilmu Kimia, Fisika, Biologi dan Geologi: LeutikaPrio, 2017: Click Link Here
Silver Nanoparticles as a Biocide for Water Treatment Applications: Springer, 2019: Click Link Here
Mewujudkan Unib Unggul untuk Indonesia Hebat: Unib Press, 2022: Click Link Here
Pemanfaatan Citra Digital untuk Analisis di Dunia Riset dan Pendidikan : Wawasan Ilmu, 2025: Click Link Here

Samples of Patent, Copyright, and Reviewer recognitions: Click Link Here

Research Topics:

Spectrophotometry based on digital images
Fabrication of nanomaterials for chemical sensor
Development of low-cost instruments for quantitative analysis
Paper-based analytical device
Chemometrics analysis
Environmental conservation
Science education

Teaching Subjects:

Analytical Chemistry, Separation Chemistry, Instrumentation Analysis, Environmental Chemistry, Marine Chemistry.

I spend most of my time teaching chemistry to around 300 undergraduate and graduate students.

Journals and Conferences under my supervision, as media to learn writing sciences, and to disseminate the knowledge and research findings:

PENDIPA (Accredited by SINTA, and Indexed by DOAJ, Crossref, etc.)
MaSEIS Conference (Indexed by Scopus)
ICETeP Conference (Indexed by Web of Science)

Tanda Kehormatan Satya Lencana Karya Satya XX : Link

Contact Info:

Mochamad Lutfi Firdaus
Mobile : (+62) 822-1721-6770 [WhatsApp & Telegram]
Email: lutfi@unib.ac.id or ml.firdaus@gmail.com

~Do good and the good life will follow~

~Work hard and pray harder~

Sweet memories during the interaction with my students & colleagues:

The roots of education are bitter, but the fruit is sweet (Aristotle, 320 BC).

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