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All Journal Reaktor JURNAL KIMIA SAINS DAN APLIKASI Indonesian Journal of Mathematics and Natural Sciences 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
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (324.156 KB) | DOI: 10.22146/ijc.49941

Abstract

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

Abstract

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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (370.795 KB) | DOI: 10.14710/jksa.20.2.92-94

Abstract

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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (816.236 KB) | DOI: 10.14710/gjec.2021.10898

Abstract

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

Abstract

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

Abstract

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.
STUDI SIFAT FISIKOKIMIA MEMBRAN KITOSAN TERMODIFIKASI HEPARIN DAN POLIETILEN GLIKOL (PEG) Retno Ariadi Lusiana; Diana Pratiwi Rusendi; Didik Setiyo Widodo; Abdul Haris; Ahmad Suseno; Gunawan Gunawan
Analit: Analytical and Environmental Chemistry Vol 4, No 2 (2019): Analit: Analytical and Environmental Chemistry
Publisher : Universitas Lampung Jl. Prof. Dr. Sumatri Brojonegoro No.1 Bandar Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (538.15 KB) | DOI: 10.23960/aec.v4i2.2019.p1-13

Abstract

Pembuatan material membran diarahkan agar menghasilkan membran dengan karakter sesuai seperti pori-pori kecil yang seragam, kuat secara mekanik, dan mempunyai ketahanan pada tekanan tinggi. Kitosan merupakan salah satu biopolimer yang dapat digunakan sebagai bahan membran. Penelitian ini mengembangkan membran berbasis kitosan dan menganalisis karakteristik fisiko-kimia dari membran. Keberhasilan reaksi modifikasi dianalisis dengan  FTIR dan karakteristik  fisika dianalisis melalui uji serapan air,  pengembangan air, porositas, ketahanan pH, dan hidrofilisitas. Spektra FTIR yang diperoleh menunjukkan bahwa modifikasi membran kitosan telah berhasil dilakukan. Modifikasi melalui pemaduan PEG dan reaksi cangkok dapat meningkatkan persentase serapan air, daya pengembangan, porositas, dan meningkatkan hidrofilisitas membran. Sementara, ketahanan membran pada berbagai kondisi pH, membran kitosan termodifikasi lebih tinggi dibanding membran kitosan.http://dx.doi.org/10.23960/aec.v4.i2.2019.p01-13
MEMBRAN KITOSAN-SITRAT SEBAGAI KATALIS HETEROGEN DALAM PRODUKSI BIODIESEL DARI MINYAK KELAPA Retno Ariadi Lusiana; Rahma Wahyu Widyastuti; Nurwarrohman Andre Sasongko; Ayub Indra; Ahmad Suseno
Analit: Analytical and Environmental Chemistry Vol 6, No 1 (2021): Analit: Analytical and Environmental Chemistry
Publisher : Universitas Lampung Jl. Prof. Dr. Sumatri Brojonegoro No.1 Bandar Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (630.51 KB) | DOI: 10.23960/aec.v6i1.2021.p92-100

Abstract

Melalui reaksi taut silang antara kitosan dan asam sitrat, membran kitosan-asam sitrat (CC) disiapkan sebagai katalis heterogen dalam proses produksi biodiesel dari minyak kelapa sawit dan metanol. Sifat membran CC dianalisis secara fisikokimia dan menggunakan spektroskopi FTIR dan TGA. Berdasar data fisikokimia, didapatkan bahwa masuknya gugus TPP dalam rangka  kitosan berkorelasi dengan peningkatan porositas, hidrofilisitas, serapan air, dan fluks membran. Sisi katalitik dari membran CC pada proses produksi biodiesel dipelajari pada beberapa kondisi konversi. Didapatkan bahwa konversi minyak kelapa sawit mencapai 98,4% dengan kondisi waktu reaksi 75 menit, suhu 70 oC, rasio mol minyak/metanol 1:3 dan jumlah katalis sebesar 70 mg.http://dx.doi.org/10.23960/aec.v6.i1.2021.p92-100 
ADSORPSI METHYLENE BLUE (MB) MENGGUNAKAN ABU LAYANG BATUBARA TERAKTIVASI LARUTAN NaOH Umi Dwijayanti; Gunawan Gunawan; Didik Setyo Widodo; Abdul Haris; Linda Suyati; Retno Ariadi Lusiana
Analit: Analytical and Environmental Chemistry Vol 5, No 1 (2020): Analit: Analytical and Environmental Chemistry
Publisher : Universitas Lampung Jl. Prof. Dr. Sumatri Brojonegoro No.1 Bandar Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (310.961 KB) | DOI: 10.23960/aec.v5i1.2020.p1-14

Abstract

Penelitian tentang adsorpsi methylene blue (MB) oleh abu layang batubara teraktivasi NaOH telah dilakukan. Aktivasi abu layang dilakukan dengan menggunakan metode hidrotermal pada temperatur 80 oC selama 12 jam. Abu layang yang sudah teraktivasi dikarakterisasi menggunakan FTIR, dan studi adsorpsi dengan melakukan variasi pH, waktu kontak, dan konsentrasi adsorbat. Karakterisasi FTIR menunjukkan adanya silikat atau aluminat dari abu layang teraktivasi yang bertanggung jawab pada adsopsi MB yaitu vibrasi tekuk ikatan Si atau Al dengan O pada bilangan gelombang 420-500 cm-1. Abu layang teraktivasi dapat mengadsorpsi zat warna MB pada pH 7 dengan waktu kontak optimum 90 menit. Adsorpsi MB mengikuti pola isoterm Langmuir dan memiliki kapasitas adsorpsi sebesar 500 mg/g.http://dx.doi.org/10.23960/aec.v5.i1.2020.p01-14
MEMBRAN KITOSAN TERMODIFIKASI TRIPOLIFOSFAT-HEPARIN DAN APLIKASINYA PADA PERMEASI UREA DAN KREATININ Retno Ariadi Lusiana; Wahyu Putri Pranotoningtyas
Analit: Analytical and Environmental Chemistry Vol 3, No 1 (2018): Analit: Analytical and Environmental Chemistry
Publisher : Universitas Lampung Jl. Prof. Dr. Sumatri Brojonegoro No.1 Bandar Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (265.379 KB) | DOI: 10.23960/aec.v3i1.2018.p

Abstract

Telah dilakukan penelitian mengenai pembuatan membran paduan dari kitosan taut silang tripolifosfat (TPP) tercangkok heparin dengan polivinil alkohol-poli etilen glikol (PVA-PEG) sebagai kandidat membran semipermiabel. Metode yang digunakan pada penelitian ini adalah metode inversi fasa. Membran yang dihasilkan dikarakterisasi secara kimia dan fisika meliputi: gugus fungsi, serapan air, kuat tarik, ketahanan pH, ketebalan, biodegradabilitas. Sifat permeatif membran dipelajari melalui uji kemampuan permeasi membran terhadap urea dan kreatinin. Hasil karakterisasi menunjukkan bahwa substitusi secara kimiawi berhasil dilaksanakan pada gugus amina kitosan. Modifikasi taut silang, cangkok dan campuran yang dilakukan terhadap kitosan meningkatkan kekuatan mekanik, kemampuan serapan air dan kemampuan permeasi terhadap urea dan kreatinin. Persentase permeasi meningkat 2-3 x dari permeasi membran kitosan tanpa modifikasi. Doi: http://dx.doi.org/10.23960/aec.v3.i1.2018.p11-21
Co-Authors 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 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 Jumina Jumina khabibi Khabibi Linda Suyanti Linda Suyati M. Cholid Djunaidi 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 Pratama J. Wibawa Rahma Wahyu Widyastuti Rahmad Nuryanto Rahmad Nuryanto Ratu Yulia Akhsanti Resa Putri Sherina Riska Nurfida Annisa Riska Nurfirda Annisa Saputry, Agriccia Pangestica 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