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All Journal The Journal of Pure and Applied Chemistry Research Indonesian Journal of Chemistry Jurnal Farmasi Indonesia Jurnal Farmasi al Kimiya : Jurnal Ilmu Kimia dan Terapan JURNAL REKAYASA KIMIA & LINGKUNGAN
Bambang Purwono
Department Of Chemistry, Faculty Of Mathematics And Natural Sciences, Universitas Gadjah Mada, Sekip Utara PO BOX BLS 21, Yogyakarta 55281
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Dentistry Energy Engineering Health Professions Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health

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Sintesis Kemosensor Anion Senyawa 4-(2,6-difenil-Piridin-4-Il)-2-Metoksi-Fenol Dari Vanilin Nur, Arfiani; Purwono, Bambang
Jurnal Rekayasa Kimia & Lingkungan Vol 12, No 1 (2017): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v12i1.4957

Abstract

Telah dilakukan sintesis kemosensor anion senyawa 4-(2,6-difenil-piridin-4-il)-2-metoksi-fenol (DPMF). Sintesis senyawa target DPMF dilakukan melalui senyawa antara kalkon dengan rendemen reaksi 77%. Uji sebagai sensor anion dilakukan dalam pelarut DMSO-air terhadap anion F-, Cl-, Br-, CN- dan H2PO4-. Senyawa DPMF ini menghasilkan perubahan warna dari tidak berwarna menjadi kuning pada penambahan anion CN-. Analisis spektrofotometer UV-vis pada senyawa DPMF menghasilkan perubahan mak = 320 nm ke mak = 370 nm pada penambahan anion CN-. Limit deteksi terhadap anion CN- sebesar 4,11x10-6M. Senyawa ini juga dapat berperan sebagai kemosensor fluoresen dengan sistem ON-OFF.
A Turn-off Fluorescent Chemosensor for Detecting Formaldehyde Based on Pyridine Derivative Hidayah, Nurul; Purwono, Bambang
al Kimiya: Jurnal Ilmu Kimia dan Terapan Vol. 10 No. 2 (2023): al Kimiya: Jurnal Ilmu Kimia dan Terapan
Publisher : Department of Chemistry, Faculty of Science and Technology, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/ak.v10i2.25573

Abstract

Formaldehyde in solution, commonly known as formalin, is often utilized. In Indonesia, there is widespread misuse of formalin as a food preservative. Formaldehyde has been identified as a carcinogenic substance by the International Agency for Research on Cancer (IARC) and the Environmental Protection Agency (EPA). Based on this background, the present study developed a sensor compound capable of detecting formaldehyde obviously. The compound 3'-(4-(3,4-dimethoxyphenyl)pyridine-2,6-diyl)dianiline (ChP-2A) has been successfully synthesized through the reduction reaction of the compound 4-(3,4-dimethoxyphenyl)-2,6-bis(3-nitrophenyl)pyridine (ChP-0A) using 80% hydrazine hydrate and 10% Pd/C as a catalyst. The ChP-2A compound in acetonitrile exhibits a significant decrease in fluorescence intensity (turn-off) after the addition of formaldehyde, and it has been successfully applied in the form of a test paper for the detection of formaldehyde qualitatively
Co-Authors Adita Silvia Fitriana Agustina Eka Prestiani Ahmad Hanapi Arfiani Nur Chairil Anwar Dhina Fitriastuti Dinni Widianingsih Hardjono Sastrohamidjojo Harno Dwi Pranowo Hernawan Hernawan Iqmal Tahir Jumina Jumina Karna Wijaya Marit Kolb Mudasir Mudasir Müfit Bahadir Muhamad Ansory, Hery Muhammad Idham Darussalam Mardjan Nurrohmah Dwi Mahesti NURUL HIDAYAH Retno Dwi Soelistyowati Samuel Budi Wardhana Suharyanto Tutik Dwi Wahyuningsih