Colorimetric Detection of Mercury(II) Ion in Aqueous Solution Using Silver Nanoparticles von FIRDAUS, M. Lutfi, FITRIANI, Ikka, WYANTUTI, Santhy, HARTATI, Yeni W., KHAYDAROV, Renat, MCALISTER, Jason A., OBATA, Hajime, GAMO, Toshitaka

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Photocatalysis of nanocomposite titania-natural silica as antibacterial against Staphylococcus aureus and Pseudomonas aeruginosa von Luthfiah, Annisa, Permana, Muhamad Diki, Deawati, Yusi, Firdaus, M. Lutfi, Rahayu, Iman, Eddy, Diana Rakhmawaty

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Smartphone Coupled with a Paper-Based Colorimetric Device for Sensitive and Portable Mercury Ion Sensing von Firdaus, M., Aprian, Angga, Meileza, Nessi, Hitsmi, Marti, Elvia, Rina, Rahmidar, Lena, Khaydarov, Renat

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Synthesis of Titanium Dioxide/Silicon Dioxide from Beach Sand as Photocatalyst for Cr and Pb Remediation von Eddy, Diana Rakhmawaty, Ishmah, Soraya Nur, Permana, Muhamad Diki, Firdaus, M. Lutfi

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The molybdenum isotopic composition of the modern ocean von NAKAGAWA, YUSUKE, TAKANO, SHOTARO, FIRDAUS, M. LUTFI, NORISUYE, KAZUHIRO, HIRATA, TAKAFUMI, VANCE, DEREK, SOHRIN, YOSHIKI

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Photocatalytic Phenol Degradation by Silica-Modified Titanium Dioxide von Eddy, Diana Rakhmawaty, Ishmah, Soraya Nur, Permana, Muhamad Diki, Firdaus, M. Lutfi, Rahayu, Iman, El-Badry, Yaser A., Hussein, Enas E., El-Bahy, Zeinhom M.

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Rapid Probing of Self-Cleaning Activity on Polyester Coated by Titania-Natural Silica Nanocomposite Using Digital Image-Based Colorimetry von Eddy, Diana R, Luthfiah, Annisa, Permana, Muhamad D, Deawati, Yusi, Firdaus, M Lutfi, Rahayu, Iman, Izumi, Yasuo

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Simultaneous measurement of picomolar zirconium, hafnium, niobium and tantalum in seawater using commercially available chelating resin and subsequent ICP-MS determination von Firdaus, M. Lutfi, Mashio, Asami S., Kim, Taejin, Muhammad, Ronald, McAlister, Jason A., Obata, Hajime, Gamo, Toshitaka, Khaydarov, Renat

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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 von Firdaus, M. Lutfi, Norisuye, Kazuhiro, Sato, Taishi, Urushihara, Shouhei, Nakagawa, Yusuke, Umetani, Shigeo, Sohrin, Yoshiki

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Dissolved and labile particulate Zr, Hf, Nb, Ta, Mo and W in the western North Pacific Ocean von Lutfi Firdaus, M., Norisuye, Kazuhiro, Nakagawa, Yusuke, Nakatsuka, Seiji, Sohrin, Yoshiki

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Precise Isotopic Analysis of Mo in Seawater Using Multiple Collector-Inductively Coupled Mass Spectrometry Coupled with a Chelating Resin Column Preconcentration Method von Nakagawa, Yusuke, Firdaus, M. Lutfi, Norisuye, Kazuhiro, Sohrin, Yoshiki, Irisawa, Keita, Hirata, Takafumi

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A Rapid and Sensitive Diagnosis of Typhoid Fever Based On Nested PCR-Voltammetric DNA Biosensor Using Flagellin Gene Fragment von Hartati, Yeni Wahyuni, Wyantuti, Santhy, Firdaus, M. Lutfi, Auliany, Nurul, Surbakti, Rini, Gaffar, Shabarni

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Distribution of zirconium, hafnium, niobium and tantalum in the North Atlantic Ocean, northeastern Indian Ocean and its adjacent seas von Firdaus, M. Lutfi, Mashio, Asami S., Obata, Hajime, McAlister, Jason A., Orians, Kristin J.

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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 von Nakatsuka, Seiji, Okamura, Kei, Takeda, Shigenobu, Nishioka, Jun, Lutfi Firdaus, M., Norisuye, Kazuhiro, Sohrin, Yoshiki

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Smartphone-based digital image colorimetry for non-enzymatic detection of glucose using gold nanoparticles von Firdaus, M. Lutfi, Saputra, Eduwin, Ginting, Sura Menda, Wyantuti, Santhy, Eddy, Diana Rakhmawaty, Rahmidar, Lena, Yuliarto, Brian

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Screen-printed carbon electrode/natural silica-ceria nanocomposite for electrochemical aptasensor application von Zakiyyah, Salma Nur, Eddy, Diana Rakhmawaty, Firdaus, M. Lutfi, Subroto, Toto, Hartati, Yeni Wahyuni

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Determination of Chromium and Iron Using Digital Image-based Colorimetry von Firdaus, M. Lutfi, Alwi, Wiwit, Trinoveldi, Ferli, Rahayu, Iman, Rahmidar, Lena, Warsito, Kancono

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Silica from Natural Sources: a Review on the Extraction and Potential Application as a Supporting Photocatalytic Material for Antibacterial Activity von Luthfiah, Annisa, Deawati, Yusi, Firdaus, M. Lutfi, Rahayu, Iman, Eddy, Diana Rakhmawaty

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Detection and quantification of Cu2+ ion using gold nanoparticles via Smartphone-based digital imaging colorimetry technique von Aqillah, Firyal, Diki Permana, Muhamad, Eddy, Diana Rakhmawaty, Firdaus, M. Lutfi, Takei, Takehiro, Rahayu, Iman

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ISOTHERM, KINETICS AND THERMODYNAMICS OF SYNTHETIC DYES ADSORPTION ONTO ACTIVATED CHARCOAL MADE FROM OIL PALM MIDRIB von Firdaus, M. Lutfi, Susant, Efa, Ghufira, Alwi, Wiwit, Swistoro, Eko

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