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All Journal International Journal of Public Health Science (IJPHS) Jurnal Peternakan Sriwijaya Maspari Journal Jurnal Ilmu Lingkungan Maspari Journal Prosiding Universitas PGRI Palembang Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Jurnal Dimensi IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Jurnal Penelitian Sains Omni-Akuatika Jurnal Ilmu Alam dan Lingkungan IJEMS (Indonesian Journal of Environmental Management and Sustainability) Indonesian Journal of Global Health research DedikasiMU: Journal of Community Service SRIWIJAYA JOURNAL OF ENVIRONMENT BIOVALENTIA: Biological Research Journal Jurnal Pengabdian Masyarakat Information Technology (JPM ITech) Jurnal Pepadu Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Kesmas: Jurnal Kesehatan Masyarakat Nasional (National Public Health Journal)
Suheyanto Suheryanto
Jurusan Kimia Fakultas MIPA Universitas Sriwijaya
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary

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Risk Assesment of Air Pollution Exposure (NO2, SO2, Total Suspended Particulate, and Particulate Matter 10 micron) and Smoking Habits on the Lung Function of Bus Drivers in Palembang City Sunarsih, Elvi; Suheryanto, Suheryanto; Mutahar, Rini; Garmini, Rahmi
Kesmas Vol. 13, No. 4
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Nitrogen dioxide (NO2), carbon monoxide (CO), sulfur dioxide (SO2), Particulate Matter (PM10) and TSP are the most common and harmful air pollutants to humans. In short period, air pollution exposure at 5 ppm for 10 minutes to humans causes dyspnea, and when the level is increase to 800 ppm could cause 100% mortality in animals. This study was an analytical research, with cross sectional design and risk analysis. One hundred subjects were analyzed in this study. The results showed that non-cancer Hazard Index (HI) for realtime exposure with mean value was NO2: 1.85; SO2: 2.92; TSP: 7.09; and PM10: 11.7 (HI value ≥1). The results of the analysis test for FVC lung capacity to non-cancer risk estimation of NO2, SO2, TSP and PM10 indicated that there was no significant relationship (p > 0,05). Variable of smoking habit is the most dominant variable (OR = 12,542) which affect respiratory disorders. The exposure of NO2, SO2, TSP and PM10 in Palembang City bus drivers is considered risky to non-cancer health subjects, so control is needed. This control could be performed by lowering the level of inhalation intake (I) of the RfC and the first simulation model for exposure could start from the second year to the sixth year.
Distribution of Ability Eleocharis dulcis to Adsorb Heavy Metals in Roots, Stems and Leaves Mazidah, Mazidah; Suheryanto, Suheryanto; Sarno, Sarno
Sriwijaya Journal of Environment Vol 10, No 2 (2025): ECOLOGY AND ENVIRONMENTAL HEATLH
Publisher : Program Pascasarjana Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22135/sje.2025.10.2.59-64

Abstract

Heavy metal pollution, including lead (Pb), zinc (Zn), and copper (Cu) in swamp environments, is increasing and poses a significant threat to ecosystem integrity and human health. This study aims to evaluate the phytoremediation potential of Eleocharis dulcis in accumulating heavy metals in root, stem, and leaf tissues. The experimental method involved growing Eleocharis dulcis for 20 days in media artificially contaminated with Pb, Zn, and Cu metals at concentrations of 5, 10, and 15 ppm. Observations were made on metal accumulation in plant tissues on days 5, 10, 15, and 20. The results showed that concentration and duration of exposure significantly influenced the pattern of metal accumulation. The highest accumulations were recorded in leaf tissue, specifically Pb at 87.527 mg/kg, Zn at 32.93 mg/kg, and Cu at 43.522 mg/kg. These findings indicate that Eleocharis dulcis has selective metal uptake and translocation mechanisms and high tolerance to heavy metal stress, and has the potential to be an effective phytoremediation agent for the rehabilitation of heavy metal-contaminated wetlands and support sustainable environmental management.
Study of Congo Red Adsorption by Chitosan-Graphene Oxide (Chitosan-GO) Composite Synthesize with Hydrothermal Synthetic Method: Optimization and Determination Condition Desnelli Desnelli; Siska Safitri; Eva Musifa; Afreni Hamidah; Suheryanto Suheryanto; Ady Mara; Muhammad Said
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 10, No 2 (2025): June 2025
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v10.i2.101

Abstract

This research aims to synthesize chitosan-graphene oxide (chitosan-GO) material using the hydrothermal method at varying material ratios and adsorption studies on Congo red. Chitosan-GO composites were synthesized with mass ratios of (1:1), (1:3) and (1:5). The synthesized chitosan-GO composite was applied to absorb Congo red dye. The adsorption process is carried out by varying pH, contact time, concentration and temperature. The chitosan-GO composite was characterized using XRD, BET and SEM-EDS. The results of XRD characterization of the chitosan-GO composite with a ratio of 1:1 showed a diffractogram of 2θ = 22.3°, at a ratio of 1:3 the diffractogram angle was 2θ = 22.1°, while the ratio (1:5) of the diffractogram peak obtained was 2θ = 22.8°. The surface area obtained in chitosan-GO composite was 11.60 m2/g. The morphology of the chitosan-GO composite (1:5) is in the form of crystalline lumps with the constituent elements C (65.98%), O (32.68%), Na (0.22%) and S (0.09%). Adsorption of Congo red dye using chitosan-GO composite obtained optimum conditions at pH 7, contact time 50 minutes, Congo red concentration 45 mg/L and temperature 50°C. The adsorption isotherm is in accordance with the Langmuir isotherm model and the maximum adsorption capacity (Qm) is 10.245 mg/g.
Adsorption Study on Phenol from Bentonite doped with Zinc oxide: Synthetis, Characterization, Equilibrium, Kinetics, and Thermodynamic Desnelli Desnelli; Delisa Rizkiani; Daniel Alfarado; Ferlinahayati Ferlinahayati; Heni Yohandini; Fatma Fatma; Ady Mara; Suheryanto Suheryanto; Elisa Nurnawati; Afreni Hamidah; Muhammad Said
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 9, No 2 (2024): June 2024
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v9.i2.82

Abstract

This study modified current bentonite with zinc oxide (ZnO) and investigated the performance of phenol adsorption. The material bentonite-ZnO was successfully synthesized and characterized with X-ray diffraction (XRD), scanning electron microscopy-energy dispersive X-ray (SEM-EDX), and Fourier transform infrared (FT-IR). The adsorption performance was determined by adsorption equilibrium, kinetics, and thermodynamic parameters. The adsorption, kinetic, and thermodynamic parameters were compared alternatively. The phenol adsorption capacity was obtained from Langmuir and Freundlich adsorption isotherm models, which for bentonite-ZnO was fit with both isotherm models (Langmuir R2 = 0,997 and Freundlich R2 = 0,9515) and was favorable than activated bentonite (n value bentonite-ZnO = 2.389; activated bentonite = 0,898). A kinetic model was tested with pseudo-first-order, pseudo-second-order, and intraparticle diffusion models which bentonite-ZnO and activated bentonite fit in the pseudo-second-order with an excellent agreement (R2 = 0,999). Several thermodynamic parameters such as enthalpy, Gibbs free energy, and bentonite-ZnO have an entropy more than zero (ΔS = 0.008 J/molK), which demonstrated the feasibility and spontaneity (ΔG < 0) and endothermic nature (ΔH = 3,056 kJ/mol) of the phenol adsorption process. Several thermodynamic parameters such as enthalpy, Gibbs free energy, and bentonite-ZnO have an entropy more than zero (ΔS = 0.008 J/molK), which demonstrated the feasibility and spontaneity (ΔG < 0) and endothermic nature (ΔH = 3,056 kJ/mol) of the phenol adsorption process. Based on the result data in this article, modified bentonite with ZnO has increased the ability for phenol adsorption than currently activated bentoniteKeywords: bentonite, adsorption equilibrium, adsorption kinetics, thermodynamics model, phenol, bentonite-ZnO
Paraquat Pesticide Exposure to the Incidence of Anemia in Sugarcane Plantation Workers “X” Vivi Oktari; Muhammad Irsan Saleh; Mohammad Zulkarnain; Suheryanto Suheryanto
Indonesian Journal of Global Health Research Vol 7 No 4 (2025): Indonesian Journal of Global Health Research
Publisher : GLOBAL HEALTH SCIENCE GROUP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37287/ijghr.v7i4.6257

Abstract

Pesticide poisoning, especially paraquat, is a significant health problem for agricultural workers, including sugarcane plantation workers in Indonesia. This study aims to evaluate the relationship between pesticide use and hemoglobin levels. This study is a descriptive study to find the correlation between paraquat pesticide exposure and hemoglobin levels. Quota sampling technique was used to collect 51 samples. Data were collected through interviews, observation of the use of Personal Protective Equipment (PPE), and measurement of hemoglobin levels by laboratory methods on 51 workers exposed to paraquat pesticide. The Chi-Square test was used to analyze the relationship between the use of PPE and the level of pesticide poisoning as measured by hemoglobin levels. The results showed that incomplete use of PPE was associated with a decrease in workers' hemoglobin levels. As many as 40% of workers who did not use PPE experienced a significant decrease in hemoglobin levels compared to workers who used complete PPE. The calculated Chi-Square value is 6.45 with a p value = 0.011 (p < 0.05) which indicates a significant relationship between the use of PPE and hemoglobin levels in sugarcane plantation workers. Based on these results, it can be concluded that proper use of PPE can reduce the risk of pesticide poisoning and maintain hemoglobin levels at normal levels.
Integration of Internet of Things (IoT) on Web-based Chemistry Learning Annisa Filantropie; Suheryanto Suheryanto; Poedji Loekitowati Hariani
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 8, No 3 (2023): October 2023
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v8.i3.120

Abstract

The development of science and technology, especially the development of the internet is very rapid today. The world of education, needs to develop learning innovations involving the internet. Internet of Things is one of the innovative technologies that can connect a device or object into a large data base so as to speed up the information process through the power of the internet network. The application of the Internet of Things in high school chemistry learning, especially in the concentration cell potentiometry method, can be used in practicum in school laboratories. The results showed that the combined method of concentration cell potentiometry integrated with the Internet of Things (Pot-IoT) has been proven effective (n-gain = 0.7208) to be used as a learning medium for the practicum of measuring Pb metal in water samples at school.
Adsorption and Photocatalytic Activity of Bentonite–Titanium Dioxide on The Degradation of Methylene Blue Dyes Muhammad Said; Niko Erlangga; Daniel Alfarado; Suheryanto Suheryanto; Elisa Nurnawati
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 8, No 3 (2023): October 2023
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v8.i3.126

Abstract

The aim of this research is to determine the effect of bentonite-Titanium dioxide (Benonite-TiO2) composite on the degradation process of methylene blue. It was carried out by synthesizing the composite through the impregnation of Titanium dioxide (TiO2) on bentonite and then characterizing the obtained compound using XRD and SEM-EDX. The results of the XRD characterization showed that there was a shift in the diffraction angle (2θ), which indicated the success of the impregnation procedure. The morphology of the composite showed that the bentonite surface had been filled with TiO2, as evidenced by the results of the EDX analysis, which showed a 7.03% increase in Titanium. Furthermore, the degradation process was carried out using various variables, including contact time, the ratio of composite weight to dye, and by irradiation with a UV lamp at a wavelength of 352 nm UV. It was discovered that the best degradation in the concentration of methylene blue occurred at a maximum contact time of 90 minutes and at a maximum weight of 10 mg of benonite-TiO2, with an effectiveness of 99.91% after irradiation and 92.26% without irradiation.
Preconcentration of Cr(III) Using Dowex 50WX2-200 Resin and Its Application to River Water Siti Nuraini; Suheryanto Suheryanto; Poedji Loekitowati Hariani
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 8, No 2 (2023): June 2023
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v8.i2.105

Abstract

Cr(III) is one of the most stable chromium species in nature, Cr(III) species are not carcinogenic to humans, but if the levels in the body exceed 0.2 mg / day it is very dangerous for the body especially in the respiratory tract. The presence of chromium in the aquatic environment is so low that it is very difficult to detect it using instruments with various limitations to detect it, therefore preconcentration techniques are carried out to overcome the issue. In this study the water sample was adjusted pH using HNO3 0.1 M or NaOH 0.1 M, after which it was passed in the dowex column 50WX2-200. Furthermore, an elution process was carried out using the 1 M HNO3 eluent, the eluat was measured for absorbance with flame AAS. The results of Cr(III) preconcentration optimization are: resin weight 0.5 g, HNO3 eluent concentration 1 M, solution pH 3 and sample volume 50 – 100 mL. The Cr(III) preconcentration technique using Dowex 50WX2-200 resin has been applied to river water samples with a detectable concentration of 0.0075 mg/L.
Development of a Concentration Cell Potentiometric Method for Fe2+ and Fe3+ Speciation Izzati Izzati; Suheryanto Suheryanto; Poedji Loekitowati Hariani
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 8, No 3 (2023): October 2023
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v8.i3.115

Abstract

The speciation of Fe2+ and Fe3+ iron ions using the concentration cell potentiometric method has been developed. The determination and speciation of metals that have been used include potentiometry using comparison electrodes, selective ion electrodes, and voltammetry. The concentration cell potentiometric method has the advantages of simple equipment, the use of common metal electrodes, high selectivity, and relatively low detection limits. The method validation results for Fe2+ and Fe3+ ion speciation were LOD: Fe2+ 0.22 mg/L Fe3+ 0.29, LOQ: Fe2+ 0,92 mg/L ; Fe3+ 0,01 mg/L, precision (1.17%; 1.2%) and accuracy (95.57%; 93.15%) based on CV Horwtz.  This method has been well applied for Fe2+ and Fe3+ speciation in natural water samples. The concentrations of Fe2+ and Fe3+ species in Sekanak river water were (1.88 mg/L; 2.07 mg/L). Concentration of Fe2+ and Fe3+ species in well water samples (0.5 mg/L; 1.32 mg/L).
Co-Authors A -, Madjid, A A -, Mara, A A Napoleon Abu Umayah Ady Mara, Ady Afreni Hamidah Aides Lesbani Aldes Lesbani Andi Arif Setiawan Andi Arif Setiawan, Andi Arif Annisa Filantropie Ar-raafi, Muhammad Fauzan ARINAFRIL ARINAFRIL Arla, Zalanda Vidyani Aslihati Aslihati Aslihayati Aslihayati Bambang Yudono Bidari, Chahaya Dewi Chandra Irsan Chandra Irsan Chandra Irsan Daniel Alfarado Daniel Alfarado Dedik Budianta Delisa Rizkiani Deni Julius Desnelli Desnelli Destri Yunita Duwit, Valentino Sewein Dwi Putro Priadi Elisa Nurnawati Elisa Nurnawati Elok Nilasari Elvi Sunarsih Eva Musifa F. Oesman F. Oesman Fadila Mutmainnah Fatma Fatma Ferlinahayati Ferlinahayati Fitra Gustiar, Fitra Fitrah Amelia Fitrah Amelia Gaol, Jonathan Lumban Garmini, Rahmi Hardika, Bangun Dwi Heni Yohandini Heni Yohandini Herpandi Herpandi Hery Widijanto Imam Chandra Suyuti Indrianti, Echa Muthia Ismarti Ismarti Ismarti, Ismarti Ita Emilia Ita Emilia, Ita Izzati Izzati Jurnal Pepadu K -, Wijaya, K Laila Hanum M. Faizal M. Faizal Madjid, A - Maksuk Mara, A - Mardiati A Mardiati A Maryadi Maryadi Mazidah Mazidah, Mazidah Meli Anggraini Moh. Rasyid Ridho Mohammad Zulkarnain Muhammad Faizal Muhammad Irsan Saleh Muhammad Said Muhammad Said Muharni Muharni Munandar . Niko Erlangga Novrikasari Novrikasari Paitwijaya, Nengah Galih Pirmansyah, Wahyu Ridho Poedji Loekitowati Hariani R.A. Suwignyo RA Suwignyo Rahmi Garmini Ramses Ramses Rani Nawang Sari Rini Mutahar Risda Muli Risda Muli Risda Muli, Risda Safitri, Agis Sakti, Soni Putra Samat NR Samat NR Sarno Sarno Septika Putri Anggraini Siska Safitri Siti Nuraini Tan Malaka Taufiq Hidayah Taufiq Hidayah Vivi Oktari Warsinah Warsinah Wartono Wartono Wijaya, K - Yuanita Windusari Yudi Abdul Majid, Yudi Abdul Zazili Hanafiah Zazili Hanafiah