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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan JURNAL KIMIA SAINS DAN APLIKASI Indonesian Journal of Chemistry Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat Jurnal Pengabdian Masyarakat Pinang Masak Nexus
Defia Indah Permatasari
Universitas Jambi
Religion Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Physics Public Health Social Sciences

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Natural Magnetic Particles/Chitosan Impregnated with Silver Nanoparticles for Antibacterial Agents Annisa Afra Martha; Defia Indah Permatasari; Elma Retna Dewi; Nikho Asyoka Wijaya; Eko Sri Kunarti; Bambang Rusdiarso; Nuryono Nuryono
Indonesian Journal of Chemistry Vol 22, No 3 (2022)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.68691

Abstract

In this research, silver nanoparticles (AgNP) impregnated on natural magnetic material/chitosan composite (NMP/Chi) have been conducted with different AgNP concentrations (0.5, 1.0, 1.5 mM). Their antibacterial activity was examined against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). The AgNP samples were characterized with UV-Vis spectrophotometer and TEM. The NMP/Chi/AgNP samples were identified with FTIR and XRD, while NMP/Chi/AgNP1.0 (with the highest antibacterial activity) were analyzed with TEM and SEM-EDX. The antibacterial test with a well-diffusion method showed that NMP/Chi/AgNP was categorized as a strong antibacterial agent. The composite showing the largest inhibition zone diameters was NMP/Chi/AgNP prepared using 1.0 M AgNO3, namely 14.39 and 16.8 mm against E. coli and S. aureus, respectively. Characterization of AgNP1.0 showed a spherical shape with an average particle diameter of 17.9 nm in suspension and 32.4 nm in NMP/Chi. The presence of 1000 mg/kg NMP/Chi/AgNP1.0 composite in water was able to reduce the growth of E. coli and S. aureus bacteria by 60.4% (from 5.3 to 2.1 CFU/mL) and 71.6% (from 6.34 to 1.86 CFU/mL), respectively, within 5 h. The NMP/Chi/AgNP1.0 showed an effective antibacterial agent against both bacteria (E. coli and S. aureus) and could be applied potentially in aquatic environments.
Decontamination of Mercury from Mined Soil using Magnetite Functionalized Quaternary Ammonium Silica (Fe3O4/SAK) Ngatijo Ngatijo; Defia Indah Permatasari; Faizar Farid; Restina Bemis; Heriyanti Heriyanti; Rahmat Basuki; Yudha Gusti Wibowo
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 1 (2021): March 2021
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (697.94 KB) | DOI: 10.14710/presipitasi.v18i1.88-98

Abstract

Artisanal small-scale gold mining (ASCGM) has caused mercury contamination. However, efforts to decontaminate mercury from the ex-mining soils are still rare. This study aims to synthesize quaternary ammonium silica functionalized magnetite (Fe3O4/SAK) as a low price, highly available, and quickly separated adsorbent for mercury decontamination from ex-mining soils samples. The synthesis of Fe3O4/SAK and the mercury decontamination process was carried out by the co-precipitation and batch type reactor procedure, respectively. The Fourier Transform-Infra Red (FT-IR) characterization of synthesized Fe3O4/SAK informed the appearance of siloxane, silanol, methyl, methylene, and Fe-O functional groups. Crystal analysis by X-Ray Diffraction (XRD) showed that the typical peaks of SiO2 and Fe3O4 were emerged at 2θ 22.8˚ and 35.52˚, respectively. Morphological studies and elemental analysis using Scanning Electron Microscopy-Energy Dispersive X-Ray (SEM-EDX) indicated the successful functionalization Fe3O4 by SAK in the transformation of surface morphology and composition of the main elements, namely C, O, Si, and Fe. The results of characterization using Surface Area Analyzer (SAA) showed that the surface area and pore diameters were 224.98 m2/g and 36.149-38.70 Å, respectively. The optimum results for adsorbing Hg22+ metal ions were obtained at pH 4.0, and the adsorbent mass was 0.1 g. The Fe3O4/SAK has been proven to be an easily separable adsorbent after the mercury decontamination process in ex-mining soil samples with an adsorption efficiency of 43.36% (0.722 mg/g).
Pengaruh Hemodialisa Terhadap Nilai Hemoglobin dan Kreatinin Pada Pasien Penyakit Ginjal Kronik Di Unit Hemodialisa RSUD Undata Jaya, Nur; Tanjung, Revi Maylina; Khoiriyah, Rani; Muharni, Melvi; Setyawan, Teguh; Permatasari, Defia Indah; Rizal B, Muh.; Adam, Meyzaluna Salsabila
Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat Vol. 5 No. 6 (2025): November 2025 - Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat
Publisher : Indonesian Scientific Journal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59395/altifani.v5i6.962

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh hemodialisa terhadap kadar hemoglobin dan kreatinin pada pasien gagal ginjal kronik di Unit Hemodialisa RSUD Undata. Penelitian ini menggunakan metode kuantitatif dengan desain pre-eksperimental jenis one group pretest-posttest. Sampel sebanyak 88 pasien diambil menggunakan teknik purposive sampling. Data kadar hemoglobin dan kreatinin sebelum dan sesudah hemodialisa dianalisis menggunakan uji Paired Sample T-Test. Hasil penelitian menunjukkan bahwa kadar kreatinin sebelum hemodialisa sebesar 11,464 gr% menurun menjadi 9,211 gr% setelah hemodialisa dengan nilai signifikansi p = 0,00017 (p < 0,05). Sementara itu, kadar hemoglobin meningkat dari 9,440 gr% menjadi 9,939 gr% setelah hemodialisa, dengan nilai p = 0,00053 (p < 0,05). Hasil ini menunjukkan bahwa terdapat perbedaan yang signifikan sebelum dan sesudah hemodialisa. Dapat disimpulkan bahwa hemodialisa memberikan pengaruh yang signifikan terhadap penurunan kadar kreatinin dan peningkatan kadar hemoglobin pada pasien gagal ginjal kronik. Diperlukan pemantauan berkelanjutan terhadap parameter darah lainnya selama terapi hemodialisa untuk mendukung keberhasilan terapi.
Sosialisasi Bahaya Lingkungan Dan Kesehatan Akibat Penggunaan Plastik Bagi Ibu Rumah Tangga Tanjung, Revi Maylina; Muharmi, Melvi; Teguh Setyawan; Khoiriyah, Rani; Widya Twiny Rizki; Defia Indah Permatasari; Nur Jaya; Fiqri Al Faruqi; M. Ardi Daya; Elika Fitriani
Jurnal Pengabdian Masyarakat Pinang Masak Vol. 6 No. 2 (2025): Vol 6 No 2 (2025) Desember 2025
Publisher : Fakultas Sains dan Teknologi, Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jpm.v6i2.48991

Abstract

Plastic is a synthetic polymer material that can be shaped and used in various functions, especially in household products, ranging from plates, glasses, spoons, cooking utensils to food storage containers. According to research, the use of plastic that does not meet the requirements can cause serious health problems such as cancer. Plastic waste is also difficult to decompose or degrade and takes up to hundreds of years to be completely decomposed by soil microorganisms. The purpose of this community service is to provide education to housewives about plastic and the dangers of plastic use for health and the environment. This service was carried out on August 30, 2025 in RT 04 RW 01 Mendalo Indah Village, Jambi Luar Kota District, Muaro Jambi Regency, Jambi Province. The implementation of the socialization was carried out in several stages, namely: 1) Preparation Stage including a pretest to determine the initial level of understanding of participants 2) Implementation Stage including the presentation of materials and distributing brochures to participants 3) Mentoring Stage where participants were given various other alternatives to avoid the use of plastic in everyday life and 4) Success Stage The activity was carried out by analyzing the data processing of the number of answers of each participant to each instrument 'Use of Plastic Packaging Products in Everyday Life'. The aspects of assessing the success of the activity consisted of high, medium and low. The instrument for the level of success of the activity was made with the answer 'yes' or 'no. And after the mentoring process, data on respondents' understanding of the socialization activity was obtained with high success indicator results compared to before the socialization. In conclusion, socialization of the dangers of plastic use is a critical step in minimizing problems with health and environmental pollution. By increasing public awareness, it is hoped that there will be changes in behavior and real actions in reducing the use of single-use plastics and those that do not meet SNI standards.
Magnetic Zeolite Composites for Heavy Metal Ions Removal: A Concise Review Gracias, Wayan; Dienna, Annisha Noor; Permatasari, Defia Indah
Nexus Sains dan Teknologi Vol. 1 No. 2 (2025): Nexus: Jurnal Sains dan Teknologi
Publisher : Politeknik Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51510/nst.v1i2.2880

Abstract

Magnetic zeolite is a composite material that combines the porous characteristics of zeolite with the magnetic separation capability of magnetic nanoparticles. This study discusses the development of magnetic zeolite synthesis using several main methods, including hydrothermal synthesis, coprecipitation, and dry-gel conversion, each offering different levels of control over particle size, surface area, and magnetic strength of the resulting composite. The synthesized materials generally possess a high surface area and strong magnetic response, making  them  effective  for adsorbing heavy metal ions from aqueous solutions. The reported maximum adsorption capacities reach 625 mg g⁻¹ for Pb(II), 204 mg g⁻¹ for Cd(II), 181 mg g⁻¹ for Cu(II), more than 400 mg g⁻¹ for Cr(VI), and around 42 mg g⁻¹ for Ni(II). According to various studies, the adsorption of heavy metal ions onto magnetic zeolite commonly follows the pseudo-second-order kinetic model and the Langmuir isotherm, indicating that the adsorption process is dominated by a monolayer chemisorption mechanism. In addition to its high adsorption capacity, the main advantage of magnetic zeolite is the ease of separating it from the solution using an external magnetic field, making it an efficient adsorbent that can be easily recovered and reused.
Determination of Kinetic and Thermodynamic Parameters of Pb(II) Ion Adsorption Using Dithizone-Immobilized Coal Fly Ash Rizal B., Muh; Mudasir, Mudasir; Siswanta, Dwi; Muharmi, Melvi; Ardina, Vebria; Setyawan, Teguh; Jaya, Nur; Permatasari, Defia Indah; Tanjung, Revi Maylina
Jurnal Kimia Sains dan Aplikasi Vol 29, No 1 (2026): Volume 29 Issue 1 Year 2026
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.29.1.1-9

Abstract

The immobilization of dithizone on the surface of coal fly ash was successfully achieved, as evidenced by Fourier-transform infrared (FT-IR) and X-ray diffraction (XRD) characterization. The dithizone-immobilized coal fly ash (CFA-Dzt) was then used for Pb(II) ion adsorption. The parameters studied included the effects of pH, kinetics, and thermodynamics on Pb(II) ion adsorption using a batch experimental system. The results showed that the optimum pH for Pb(II) adsorption using CFA-Dzt was 5. The adsorption kinetics of Pb(II) ions followed the pseudo-second-order kinetic model, with an adsorption activation energy of 27.280 kJ mol−1. The Langmuir isotherm model best described the adsorption behavior, with a maximum adsorption capacity of 34.13 mg g−1. Thermodynamic analysis revealed Gibbs free energy changes (ΔG°) of 24.630, 25.850, 26.810, and 28.550 kJ mol−1 at 293, 303, 313, and 323 K, respectively. The enthalpy change (ΔH°) of the adsorption at this temperature range was +12.770 kJ mol−1, indicating that Pb(II) ion adsorption on the adsorbent is an endothermic process, and its entropy change (ΔS°) was +127.290 J mol−1, suggesting that the adsorption of Pb(II) ion on CFA-Dzt is dominantly driven by the entropic factor.
Sosialisasi Bahaya Penggunaan Zat Aditif pada Makanan Kemasan di Desa Mendalo Indah Kecamatan Jambi Luar Kota Teguh Setyawan; Revi Maylina Tanjung; Nur Jaya; Rani Khoiriyah; Melvi Muharmi; Widya Twiny Rizki; Defia Indah Permatasari; Muh. Rizal B; Vebria Ardina; Riskal Fadli; Susanti Aprilina; Pratama, Tio Aditia
Jurnal Pengabdian Masyarakat Pinang Masak Vol. 7 No. 1 (2026): Vol 7 No 1 (2026) juni 2026
Publisher : Fakultas Sains dan Teknologi, Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jpm.v7i1.55589

Abstract

Community awareness regarding the safe use of food additives in packaged foods remains relatively low, particularly in understanding the differences between safe and harmful additives and the importance of reading nutritional labels. This condition was also identified among residents of RT 11/RW 03 Valencia Housing Complex, Mendalo Indah Village, Jambi Luar Kota District, where the consumption of packaged and instant foods was relatively high, especially among housewives and children. Therefore, this community service activity aimed to improve public understanding of the hazards of excessive use of synthetic food additives and increase awareness regarding safe food selection. The program was conducted using an educational and participatory approach involving 20 housewives aged 30–60 years. The implementation stages consisted of preparation, educational activities, assistance, and evaluation. Educational materials were delivered through interactive presentations, brochures, discussions, and direct practice in identifying food additives through packaged food labels. The effectiveness of the program was evaluated using pretest and posttest questionnaires. The results showed a significant improvement in participants’ understanding after the educational activities. Participants demonstrated better knowledge regarding the functions of food additives, the hazards of borax use, the identification of potentially harmful additives, and the importance of reading product composition labels. The activity also increased participants’ awareness of selecting safer food products and encouraged healthier consumption behavior within the community.
Co-Authors Adam, Meyzaluna Salsabila Annisa Afra Martha Annisha Noor Diena Ardina, Vebria Bambang Rusdiarso Dwi Siswanta Eko Sri Kunarti Elika Fitriani Elma Retna Dewi Fadli, Riskal Faizar Farid Fiqri Al Faruqi Gracias, Wayan Heriyanti Heriyanti JAYA, NUR Khoiriyah, Rani M. Ardi Daya Melvi Muharmi Mudasir Mudasir Muh. Rizal B Ngatijo Ngatijo Nikho Asyoka Wijaya Nur Jaya Nuryono Nuryono Pratama, Tio Aditia Rahmat Basuki Rani Khoiriyah Restina Bemis Revi Maylina Tanjung Rizal B, Muh. Rizal B., Muh Setyawan, Teguh Susanti Aprilina Tanjung, Revi Maylina Vebria Ardina Wibowo, Yudha Gusti Widya Twiny Rizki