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All Journal Jurnal Ilmu Pertanian VALENSI CHEMISTRY PROGRESS Jurnal Sains Dasar Alchemy : Journal of Chemistry Jurnal Ilmu Kimia Universitas Brawijaya Indonesian Green Technology Journal Natural B The Journal of Pure and Applied Chemistry Research Program Kreativitas Mahasiswa - Penelitian Majalah Kesehatan FKUB Indonesian Journal of Chemistry Jurnal Saintek Lahan Kering Molekul: Jurnal Ilmiah Kimia jurnal Ilmu Pertanian (Agricultural Science) JKPK (Jurnal Kimia dan Pendidikan Kimia) ALKIMIA : Jurnal Ilmu Kimia dan Terapan Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan Bubungan Tinggi: Jurnal Pengabdian Masyarakat Jurnal Ilmiah Berkala: Sains dan Terapan Kimia Makara Journal of Science al Kimiya : Jurnal Ilmu Kimia dan Terapan
Hermin Sulistyarti
Brawijaya University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Energy Engineering Environmental Science Materials Science & Nanotechnology Medicine & Pharmacology Public Health Social Sciences Other

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Urine Glucose Detection Via Gold Nanoparticle Formation Using 3D-Connector Microfluidic Paper Based Analytical Devices Putri, Krista Firdaus Suwarno; Sulistyarti, Hermin; Sabarudin, Akhmad
al Kimiya: Jurnal Ilmu Kimia dan Terapan Vol 11, No 1 (2024): 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.v11i1.35245

Abstract

A metabolic disorders that have experienced a significant increase in the world are diabetes mellitus. Diabetes is caused by two main factors: the first is damage to pancreatic beta cells, which prevents insulin from being produced, and the second is impaired insulin secretion and function. Chronic diabetes, if not treated properly, can lead to acute complications including eye, kidney, lung, nerve, and even death. Diabetes can be diagnosed through blood and urine. In general, glucose detection is carried out using invasive methods that use blood samples, which can cause pain and discomfort for users. Current research is developing non-invasive glucose detection using urine samples. This research aims to develop non-invasive glucose detection technology using 3D-connector μPADs (Microfluidic Paper Based Analytical Devices) which have the advantages of being safe, easy, and simple. The three-dimensional connector on the device functions as a connector to facilitate the coordination of fluid flow in the sample zone and detection zone. The glucose detection method uses gold (III) chloride as a gold nanoparticle (AuNPs) precursor, an aqueous extract of Acalypha indica Linn as a stabilizing agent, sodium hydroxide (NaOH) as a catalyst, and glucose in artificial urine as a sample. Method validation results using imageJ software indicated linearity with a coefficient of determination value (R2) of 0.9714, precision with a %RSD value (Relative Standard Deviation) of 2.69, and an accuracy level ranging from 92.22-99.23%.
Urine Glucose Detection Via Gold Nanoparticle Formation Using 3D-Connector Microfluidic Paper Based Analytical Devices Putri, Krista Firdaus Suwarno; Sulistyarti, Hermin; Sabarudin, Akhmad
al Kimiya: Jurnal Ilmu Kimia dan Terapan Vol. 11 No. 1 (2024): 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.v11i1.35245

Abstract

A metabolic disorders that have experienced a significant increase in the world are diabetes mellitus. Diabetes is caused by two main factors: the first is damage to pancreatic beta cells, which prevents insulin from being produced, and the second is impaired insulin secretion and function. Chronic diabetes, if not treated properly, can lead to acute complications including eye, kidney, lung, nerve, and even death. Diabetes can be diagnosed through blood and urine. In general, glucose detection is carried out using invasive methods that use blood samples, which can cause pain and discomfort for users. Current research is developing non-invasive glucose detection using urine samples. This research aims to develop non-invasive glucose detection technology using 3D-connector μPADs (Microfluidic Paper Based Analytical Devices) which have the advantages of being safe, easy, and simple. The three-dimensional connector on the device functions as a connector to facilitate the coordination of fluid flow in the sample zone and detection zone. The glucose detection method uses gold (III) chloride as a gold nanoparticle (AuNPs) precursor, an aqueous extract of Acalypha indica Linn as a stabilizing agent, sodium hydroxide (NaOH) as a catalyst, and glucose in artificial urine as a sample. Method validation results using imageJ software indicated linearity with a coefficient of determination value (R2) of 0.9714, precision with a %RSD value (Relative Standard Deviation) of 2.69, and an accuracy level ranging from 92.22-99.23%.
Influence of Solvent Polarity on Color Intensity of Marigold Flower Extracts Retnowati, Rurini; Sulistyarti, Hermin; Suratmo; Ulfa, Siti Mariyah; Kamulyan, Budi; Destiara, Irena Amelia; Muzdhalifa, Sefira Putri; Ananda, Regina Ridha
ALKIMIA Vol 10 No 1 (2026): ALKIMIA
Publisher : SCIENCE AND TECHNOLOGY FACULTY OF UNIVERSITAS ISLAM NEGERI RADEN FATAH PALEMBANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/gfzt5f62

Abstract

In this paper, we report research on the extraction of natural dyes from yellow and orange marigold (Tagetes erecta L.) petals using different solvents. This research aims to determine the optimal dye removal process, investigate stability, and establish color intensity profiles. In order to extract natural dyes that produced various shades of the dried powder of yellow and orange marigold flower petals, two solvents with different polarities, n-hexane and ethyl acetate were used. The maceration procedure using different solvent types was carried out separately. The stability study revealed that all the dyes at room temperature showed better stability with minor changes observed by UV-Visible (UV-Vis) spectrum profiles, indicating that the extracts were stable until the 30th day. To ascertain the color intensity profiles, analytical tests such as UV-Vis spectroscopy and colorimetry utilizing a color reader device were carried out. The color intensity profile of the yellow and orange marigold flower extracts resulting from the UV-Vis spectrum analysis showed that the absorption of the ethyl acetate extract is higher. The pigment concentration, which is also expressed by absorbance, is connected to variations in color intensity. Additionally, the color intensity profile characterization using a color reader revealed that the n-hexane and ethyl acetate extracts had different Commission Internationale d'Eclairage (CIE) L*, a*, and b* values. The yield and color intensity of the extracts were affected by the solvent polarity. In conclusion, the study of the extract's color intensity profile using UV-Vis spectroscopy and a color reader shows that the intensity parameters are aligned.
Co-Authors 'Aisy, Kamila Rohadatul Abdjan, Muhammad Ikhlas Abdul Malik Bahrudin Abner Tonu Lema Adam Wiryawan Afidatul Muadifah Ahmad Luthfi Fahmi Akhmad Sabarudin Akhmad Sabarudin Akhmad Sabarudin Akhmad Sabarudin Akhmad Sabarudin Ananda, Regina Ridha Ani Mulyasuryani Antesar Elmagirbi Aprilia Nur Tasfiyati Asdauna Zahrotun Nisa Asdauna, Asnaili Alfi Nurillah Atikah Atikah Atikah Atikah Atikah Atikah Atikah Atikah Atikah Atikah Atikah Atikah Atikah Atikah Atikah, Atikah, atikah Aulani`am Aulani`am Aulanni`am, Aulanni`am Balqis Milda, Balqis Barlah Rumhayati Bheta Sari D, Bheta Sari Budi Kamulyan Chanif Mahdi Chanif Mahdi Dedeh Kurniasih Dedeh Kurniasih Destiara, Irena Amelia Dewi Annisa’ Dewi Setyowati Dewi Umaningrum Diana Candra Dewi Eka Ratri Noor Wulandari Elvian Eka Krisnaniningrum Erliana Ginting Erwin Sulistyo Erwin Sulistyo Fahmi, Ahmad Luthfi Fahrana Salas Trenggamayu Nelgi Febriyanti, Sita Gunawan, David Herman Tolle Hikmanita Lisan Nashukha Hilda Emilia Fahriyani, Hilda Emilia Ika Oktavia Wulandari Imam Riva’i Indriana, Silvi Avianti Kamila Rohadatul ‘Aisy Khanifah, Nurul Krisna Rendi Awalludin Kusumaningtyas, Nadia Mira Kusumawardhani, Nury Lale B Rahayu Lilik Suryati Luluil Maknun Mariam Mohamed Omar Alshibani Mega Madha Wijaya Mike Nur Izzati Mochammad Imron Awalludin Mufidah Sari, Puspita Muhammad Iqbal Fahmi Muzdhalifa, Sefira Putri Noerma Juli Azhari Novy Lailatuz Zulfah Nury Kusumawardhani Palupi, Endah Sekar Puspitaloka, Paradhita Ayu Putra, Bhurman Pratama Putra, Boyfannie Ivan Putra, Chairil Anjasmara Robo Putri Dini Putri, Krista Firdaus Suwarno Putri, Lani Artana Qonitah Fardiyah Qonitah Fardiyah Qurrata Ayun Rizal Nur Huda RR. Ella Evrita Hestiandari Rurini Retnowati Rurini Retnowati Sasangka Prasetyawan Silvi Avianti Indriana Sita Febrianti Siti Mariyah Ulfa Spas D. Kolev Stephanie Lim Suratmo Sutrisno Sutrisno Syarifah, Anisa Lailatusy Tea, Marselina Theresia Djue Tuti Kurniati Tuti Kurniati Yudha Ikoma Istanti Yulia Dwi Cahyani, Yulia Dwi Zulfah, Novy Lailatuz Zuri Rismiarti