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All Journal Reaktor JURNAL KIMIA SAINS DAN APLIKASI Indonesian Journal of Mathematics and Natural Sciences Jurnal Riset Kimia Indonesian Journal of Chemical Science Indonesian Journal of Chemistry Acta Chimica Asiana Jurnal Pengabdian Kepada Masyarakat (JPKM) Tabikpun Greensphere: Journal of Environmental Chemistry Analit: Analytical And Environmental Chemistry

Retno Ariadi Lusiana

Department Of Chemistry, Faculty Of Mathematics And Natural Sciences, Universitas Diponegoro, Jl. Prof. Soedarto, Tembalang Semarang 50275

Author-ID : 309904

Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Education Energy Engineering Health Professions Materials Science & Nanotechnology Mathematics

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In-Situ Ionic Imprinted Membrane (IIM) Synthesis Based on Acetic Polyeugenoxy Acetyl Tiophen Methanolate for Gold(III) Metal Ion Transports Muhammad Cholid Djunaidi; Pardoyo Pardoyo; Didik Setiyo Widodo; Retno Ariadi Lusiana; Anggun Yuliani
Indonesian Journal of Chemistry Vol 20, No 6 (2020)
Publisher : Universitas Gadjah Mada

In this research, Polyeugenoxy Acetyl Tiophen Methanolate (PEATM)-Au ionic imprinted membrane (IIM) was synthesized. IIM is a PEATM based membrane that has Au(III) ion molds. The PEATM synthesis was analyzed using FTIR spectroscopy, and its relative molecular weight was determined by the viscometry method. To find out the presence of Au(III) templates on IIM, FTIR spectroscopy and SEM-EDX were used. The results of FTIR spectroscopy & SEM-EDX analysis prove the existence of Au(III) metal ion templates at IIM. Through FTIR spectra, it could be seen that the absorption area of the -OH group was widening. In the IIM, the CS group wave number (702.9 cm–1) also shifted to a larger wavenumber (848.68 cm–1), this is likely due to the presence of PEGDE as a crosslinker agent and PVA as a plasticizer on the membrane that interacts with PEATM-Au, which influences the shift of vibrational wavenumber of CS bonds. It was also found that the most effective pH of the feed phase for the transport was at pH 3, and the most optimum transport time was 24 h for IIM and 48 h for NIM. The transport of Au in binary mixture of Au/Cd, Au/Fe, and Au/Pb also proves that the presence of Au(III) ions in IIM makes IIM more selective to Au(III) metal ions than NIM when used for the transport process as it transports Au more than the other metals. These results were as expected by using the HSAB theory as its groundwork.

The Effect of Temperature, Sulfonation, and PEG Addition on Physicochemical Characteristics of PVDF Membranes and Its Application on Hemodialysis Membrane Retno Ariadi Lusiana; Ayub Indra; Nor Basid Adiwibawa Prasetya; Nurwarrohman Andre Sasongko; Parsaoran Siahaan; Choiril Azmiyawati; Nanik Wijayanti; Anugrah Ricky Wijaya; Mohd Hafiz Dzarfan Othman
Indonesian Journal of Chemistry Vol 21, No 4 (2021)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.63740

Polyvinylidene fluoride (PVDF) membrane and its derivative have been investigated the permeation ability for creatinine and urea. The membrane was made by an inversion precipitation system in N,N-dimethyl acetamide (DMAc) and water as non-solvents. In this study, the modification of PVDF membrane permeability with PEG additives, CBT variations, and sulfonation was successfully carried out. The membrane solidification process was carried out on three variations of the coagulation bath temperature (CBT): 30, 45, and 60 °C. Eight types of membranes were characterized by using FT-IR and TGA/DSC, followed by the analysis of their porosity, hydrophilicity, water uptake, swelling degree, tensile strength, and permeability of creatinine and urea. The FT-IR spectra indicate that PVDF modification has been successfully carried out. The porosity, hydrophilicity, water uptake, and swelling degree values increase with the modification of functional groups. Furthermore, improvements in creatinine and urea permeability and clearances are achieved by increasing CBT and sulfonation in the PVDF/PEG membrane. The presence of sulfonate groups improves the membrane permeability through the interaction of intermolecular hydrogen with water and dialysate compounds. The existence of PEG as a porogen enhanced membrane porosity. Creatinine and urea clearance values increase from 0.29–0.58 and 6.38–20.63 mg/dL, respectively.

Pengaruh Agen Pencangkok Heparin terhadap Kemampuan Transpor Kreatinin dan Urea Membran Turunan Kitosan Fathur Al Baani; Retno Ariadi Lusiana; Muhammad Cholid Djunaidi
Jurnal Kimia Sains dan Aplikasi Vol 20, No 2 (2017): Volume 20 Issue 2 Year 2017
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Immersi heparin dilakukan pada membran kitosan untuk menambah sisi aktif membran, pada proses transpor urea. Dari data analisis didapatkan terjadi peningkatan persentase transpor urea dari 17,57 % menjadi 27,09 % dengan adanya penambahan heparin.

Pengaruh Tripolifosfat Sebagai Agen Taut Silang Pada Membran Kitosan Terhadap Karakter Fisikokimia dan Kemampuan Permeasi Retno Ariadi Lusiana; Ahmad Suseno; Khabibi Khabibi; Cahyaning Gesti Faradina
Greensphere: Journal of Environmental Chemistry Vol 1, No 1 (2021): Volume 1 Issue 1 tahun 2021
Publisher : Universitas Diponegoro

Penelitian tentang modifikasi membran kitosan dengan taut silang menggunakan tripolifosfat telah dilakukan. Tujuan penelitian adalah untuk memodifikasi kitosan dengan tripolifosfat dan mengkarakterisasi serta menguji permeabilitasnya. Pada penelitian ini dihasilkan larutan dope kitosan tertaut silang tripolifosfat (CSTPP) dengan tiga rasio kitosan:tripolifosfat yaitu 1:0,5; 1:1; dan 1:2. Melalui metode inversi fasa didapatkan lembaran membran yang dipergunakan dalam proses permeasi kreatinin. Berdasarkan hasil karakterisasi Hasil karakterisasi menunjukkan bahwa modifikasi kitosan oleh TPP berpengaruh pada sifat fisikokimia membran. Kenaikan konsentrasi TPP dalam membran berkorelasi dengan peningkatan hidrofilisitas, nilai serapan air, derajat pengembangan, porositas, kemampuan fluks dan kemampuan permeasi membran. Membran CSTPP2 dengan rasio mol 1:1 antara kitosan:TPP memiliki kemampuan permeasi terbaik.Kata Kunci: taut silang; membran, CSTPP, permeasi

Synthesis of Chitosan Derivative Compounds Through Chloroacetic Acid and Heparin Grafting and Their Application as Membrane Materials with Polyvinyl Alcohol (PVA) Shihandhanu Primadian Taqwa; Muhammad Cholid Djunaidi; Retno Ariadi Lusiana
Jurnal Kimia Sains dan Aplikasi Vol 25, No 11 (2022): Volume 25 Issue 11 Year 2022
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.25.11.412-418

A chitosan membrane modified with chloroacetic acid with heparin (hep) and polyvinyl alcohol (PVA) has been successfully prepared. Chitosan was modified with chloroacetic acid through a nucleophilic substitution reaction to form N-carboxyl methyl chitosan (N-CMC) and then combined with PVA. N-CMC/PVA grafting with heparin was conducted using the immersion method and produced N-CMC/PVA.g.Hep membrane. This study aims to obtain a membrane with the best chemical and physical characteristics and the highest creatinine transport. Membrane characterization includes water absorption test, tensile strength, thickness, biodegradation, resistance to pH, and transport of creatinine and vitamin B12. Chemical characterization of active groups and morphology using FTIR and SEM. The characterization results show that the reaction of grafting chitosan using chloroacetic acid produces N-carboxymethyl chitosan (N-CMC). The N-CMC/PVA membrane has a creatinine transport capacity of 19.61%. The N–CMC/PVA.g.Hep membrane has a creatinine transport capacity of 24.81%. Supporting PVA improves the hydrophilicity and mechanical strength of the membrane.

Eco-Friendly Chitosan-Based Biodiesel Heterogeneous Catalyst Support Membrane Retno Ariadi Lusiana; Rahmad Nuryanto; Nor Basid Adiwibawa Prasetya; Resa Putri Sherina; Dilla Dayanti
Jurnal Kimia Sains dan Aplikasi Vol 26, No 2 (2023): Volume 26 Issue 2 Year 2023
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.26.2.39-49

A chitosan-polyvinyl pyrrolidone K-30 (Cs-PVP.K30) membrane was prepared as a heterogeneous catalyst supporting membrane in the transesterification process in the production of biodiesel from palm oil and methanol through the blend reaction between chitosan (Cs) and polyvinyl pyrrolidone K-30 polymer (PVP K-30). Several membranes were characterized by their physicochemical and catalytic properties. Based on physicochemical data, it was found that including the carbonyl group from PVP K-30 into the chitosan framework correlated with an increase in porosity, hydrophilicity, water absorption, and the degree of swelling of the membrane. The results of the analysis using Fourier Transmittance Infra-red (FTIR) showed the spectra of carbonyl (-C=O) and hydroxyl (-OH) groups at wavenumbers 1648 cm-1 and 3363 cm-1, which shows that the reaction of chitosan alloy with PVP K-30 has been successfully carried out. The catalytic site of the Cs-PVP K30-NaOH membrane in the biodiesel production process was studied under several conversion conditions. It was found that the conversion of biodiesel reached 93.90% with a reaction time of 90 minutes, a temperature of 65°C, and an oil/methanol mole ratio of 1:7.

Synthesis, Characterization of Cu, S doped TiO2 and Its Photocatalytic Activity for Degradation of Remazol Black B Abdul Haris; Gunawan Gunawan; Didik Setiyo Widodo; Rahmad Nuryanto; Retno Ariadi Lusiana; Mei Viantikasari
Jurnal Kimia Sains dan Aplikasi Vol 22, No 2 (2019): Volume 22 Issue 2 Year 2019
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Copper and sulfur modified TiO2(Cu-S-TiO2) photocatalyst was successfully synthesized using TiCl4, Cu(NO3)2.3H2O and H2SO4 as precursors by the sol-gel method andcalcination at 450°C for 4 hours. The synthesized photocatalyst was characterized by X-Ray Diffraction (XRD), Scanning Electron Microscopy-Energy Dispersive Spectroscopy (SEM-EDS), Diffuse Reflectance Spectroscopy (DRS), Brunauer Emmett Teller (BET) method. The XRD results showed that the Cu-S-TiO2 photocatalyst had an anatase phase with a crystal grain size of 17.54 nm. However, the SEM image of the modified TiO2 showed inhomogeneous phase due to the crystal clustering of imperfect homogenization during the synthesis and sintering processes. The patterns of EDSof Cu-S-TiO2depicted the elements of Ti, O, Cu and S with doping of Cu and S c.a. 7 and 1%, respectively. Analysis using DRS UV-Vis showed Cu-S-TiO2 was able to shift the absorption of the TiO2 photocatalyst wavelength to the visible region with a band energy gap of 1.9 eV. The BET analysis results showed that the specific surface area (SBET), pore volume (Vp) and average pore volume radius (Dp) were measured from large Cu-S-TiO2, therefore Cu-S-TiO2 had good physicochemical and photocatalytic properties. The photocatalytic activity of 0.1 g Cu-S-TiO2 with 15 Watt tungsten light irradiation for 4 h was able to degrade 50 mL remazol black B 10 mg/L c.a. 92.60 %.

Optimization of Chitosan-Carboxymethyl Chitosan Membrane Modification with PVA to Increase Creatinine and Urea Permeation Efficiency Riska Nurfirda Annisa; Retno Ariadi Lusiana; Gunawan Gunawan; Hasan Muhtar
Jurnal Kimia Sains dan Aplikasi Vol 27, No 4 (2024): Volume 27 Issue 4 Year 2024
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jksa.27.4.189-196

Polyvinyl alcohol (PVA) modified chitosan-carboxymethyl chitosan (CMC) membrane has been successfully fabricated and used as a dialysis membrane. This research aims to examine the manufacturing process, characterization, and dialysis performance of CMC and PVA-modified chitosan membranes. The membrane used the phase inversion method in acetic acid solvent with 5 CS:CMC: PVA dope compositions. Based on FTIR data, the modification process did not produce new spectra. Furthermore, the interaction produces a membrane with higher physical characteristics in terms of porosity, swelling, water uptake, hydrophilicity, and pH resistance values, which increase by 1.5–115%. Meanwhile, chitosan modification makes the membrane structure different from the original, requiring a longer degradation time. The modification also increased the permeation ability of urea by 17–65% and creatinine permeation by 20–62%. Membranes have the ability to be used more than once.

Pemanfaatan Karbon Aktif Serbuk Gergaji Kayu Jati untuk Menurunkan Chemical Oxygen Demand (COD) Limbah Cair Industri Tekstil Ratu Yulia Akhsanti; Retno Ariadi Lusiana; Khabibi Khabibi
Jurnal Kimia Sains dan Aplikasi Vol 13, No 2 (2010): Volume 13 Issue 2 Year 2010
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Pada penelitian ini dikaji penggunaan karbon aktif dari serbuk gergaji kayu jati dengan zat pengaktifasi berupa larutan NaCl untuk menurunkan COD limbah cair industri tekstil. Hasil penelitian menunjukkan bahwa karbon aktif dari serbuk gergaji kayu jati memiliki kadar abu 1,05% dan kadar air 3,82%. Spektra FTIR menunjukkan adanya gugus fungsi berupa gugus hidroksil sementara dari analisis SEM, diperoleh ukuran pori karbon aktif dengan diameter 0,468 µm dan panjang 0,489 µm. Pada waktu adsorpsi 110 menit terjadi penurunan kadar COD sebesar 86% dan pada berat adsorben 1,15 gram terjadi penurunan kadar COD sebesar 84% dari kadar COD awal limbah industri tekstil sebesar 1291,53 mg/L.

Decolorization of Remazol Black B Solution by PbO2 Modified Fenton Method in a Scaled Up Reactor Muhamad Abduh Hasibuan; Didik Setiyo Widodo; Retno Ariadi Lusiana
Jurnal Kimia Sains dan Aplikasi Vol 21, No 2 (2018): Volume 21 Issue 2 Year 2018
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Study on decolourization of remazol black B (RBB) solution has been performed in a scale up reactor. As an artificial waste, the dye sample that contains azo groups is difficult to decompose under ordinary environmental conditions so it requires further treatment before discharging to open aquatic system. Many efforts have been reported and further developed toward other azo dyes. One of an outstanding approach is Fenton method. This study modified the method with PbO2 rather than Fe2+. In this modification, the dyestuff was degraded by radical •OH resulting from reaction between H2O2 and Pb2+ ion generated from PbO2. In Preliminary works, decolourization was performed and optimized in lab-scaled. Analysis were conducted and the best condition was applied to decolorize the sample in a scale-up size. Characteristics of the reactor was also determined. Results showed that at optimum condition, 100 mL of 50 ppm remazol black B was decolorized up to 98.82 % within 15 minutes. On scale up to 1 L-sized reactor, within the time highest percentages of remazol black B decolourization was reached 82.02 % by addition of 10 % H2O2 and COD decrease to 98.96 %. In the 1 L reactor, RBB sample with concentration of 50 ppm, PbO2 1 gram and H2O2 10 % obey the proposed decolourization equation of D = -0,0011x2 + 0.5705x – 0.6788 with x = volume peroxide (in mL), D = percent of decolourization.

Co-Authors Abdul Haris Abdul Haris Abdul Haris Agung Abadi Kiswandono Ahmad Suseno Alinda Megagita Nurratri Anggun Yuliani Anugrah Ricky Wijaya Arshad, Sazmal E. Assauqi, Niamul Faza Ayub Indra Ayub Indra Cahyaning Gesti Faradina Choiril Azmiyawati Diana Pratiwi Rusendi Didik Setiyo Widodo Didik Setyo Widodo Dilla Dayanti Dwi Siswanta Dwi Siswanta Dwijayanti, Umi Emmy Yuanita Fariz Nafiir, Muhammad Fathur Al Baani Fitra Nilla Sari Ginanjar Argo Pambudi Gunawan Gunawan Gunawan Gunawan Gunawan Gunawan Hasan Muhtar Ikhsan, Tauhid Nur Indra, Ayub Jumina Jumina khabibi Khabibi Linda Suyanti Linda Suyati Lisna Efiyanti M. Ridho Shofwan Al Aziz Marcelinus Christwardana Maria Ulfa Mei Viantikasari Mohd Hafiz Dzarfan Othman Mohd Hafiz Dzarfan Othman Mudasir Mudasir Muh Jufri Muhamad Abduh Hasibuan Muhammad Cholid Djunaidi Muhammad Ridho Shofwan Al Aziz Nabila Iftinan Sari Nanang Masruchin Nanik Wijayanti Nor Basid Adiwibawa Prasetya Nor Basid Adiwibawa Prasetya Nurwarrohman Andre Sasongko Nurwarrohman Andre Sasongko Nurwarrohman Andre Sasongko Pardoyo Pardoyo Parsaoran Siahaan Parsaoran Siahaan Pranotoningtyas, Wahyu Putri Pratama J. Wibawa Rahma Wahyu Widyastuti Rahmad Nuryanto Rahmad Nuryanto Ratu Yulia Akhsanti Resa Putri Sherina Riska Nurfida Annisa Riska Nurfirda Annisa Rusendi, Diana Pratiwi Saputry, Agriccia Pangestica Sari, Nabila Iftinan Sasongko, Nurwarrohman Andre Shihandhanu Primadian Taqwa SRI ISDADIYANTO Sri Juari Santosa Sudirman Takashi Hayashita Umi Dwijayanti Vinsencius Guntur Pandu Marcellino Vivi Dia A. Sangkota Vivi Dia Ahmad Sangkota Wahyu Putri Pranotoningtyas Widodo, Didik Setyo Widyastuti, Rahma Wahyu Zuhara, Wihda

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