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Journal : Unnes Science Education Journal

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CHEMISTRY CONCEPTS IN NANOCELLULOSE ISOLATION AND ITS POTENTIAL FOR GREEN CHEMISTRY LEARNING Hernani, Hernani; Fauzi, Billy Oktora Abdillah; Mudzakir, Ahmad
Unnes Science Education Journal Vol 7 No 3 (2018): December 2018
Publisher : Department of Integrated Science, Faculty of Mathematics and Natural Sciences, Universitas Negeri Semarang in Collaboration with Perkumpulan Pendidikan IPA Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/usej.v7i3.25790

Abstract

As a plant that is easy to grow, banana tree (Musa spp.) is an abundant tree in tropical countries. Banana tree is only able to bear fruit once in its lifetime and the waste of banana pseudo-stems are also existed in a large number. The cellulose content in the banana pseudo-stems can be utilized as a source of raw material for the manufacture of nanocellulose. This study aims to develop teaching strategy which introduce the process of nanocellulose isolation from banana pseudo-stem through a dissolve method using ionic liquid. The research method is the content analysis using the content validation format as the research instrument. The isolation process involves several school chemistry concepts as such as water evaporation, hydrolysis process, factors influencing reaction rate, intermolecular interaction, and colloid. Thus, this context has a potential to be integrated into school chemistry learning. Beside it, this context also has a potential to introduce the principles of green chemistry except catalysis principle.
CONSTRUCTION OF INTERGRATED SCIENCE LEARNING MATERIAL INTEGRATED TYPE TO DEVELOP STUDENTS SCIENTIFIC LITERACY Syam, Sri Rahmadani; Hernani, Hernani; Solihat, Rini
Unnes Science Education Journal Vol 8 No 3 (2019): December 2019
Publisher : Department of Integrated Science, Faculty of Mathematics and Natural Sciences, Universitas Negeri Semarang in Collaboration with Perkumpulan Pendidikan IPA Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/usej.v8i3.36433

Abstract

Science learning in curriculum 2013 emphasizes to integrated learning approach that can improve the efficiency and effectiveness of learning and achievement of basic competencies. In addition, scientific literacy of junior high school students in Indonesian is low. Based on this, it is necessary to construction of integrated science learning materials. integrated science learning materials can be compiled by integrated type. The purpose of this research is to describe construction, determine the feasibility and effectiveness learning material. The research method used is Research and Development (R&D). Construction of learning materials refers to the 4-D development model that reduced into 3-D. Feasibility test using questionnaire whereas effectiveness of learning materials using objective test and questionnaire. The results showed that learning material is very feasible to used in limited test on average percentage of each aspect >76% whereas effectiveness of learning material showed that learning material can improve scientific literacy of student on probability value is (p) Sig = 0,000<a = 0.05 and average percentage of teacher and student response is 79.24 % and 80.90% with very good category. Thus, it is concluded that learning material very feasible to use in developing scientific literacy of student in the school.
Co-Authors A. Mudzakir A. Suhandi Abdul Latip, Abdul Abdullah, Norazilawati Abraham Mora Adek Diah Murti Adi Aliyan Agus Kamaludin, Agus Agustini, Nurlaela Ahmad Aminudin Alfina Dzabillah Zahira Alfira Julian Pratiwi* Ali Kusrijadi Anak Agung Istri Sri Wiadnyani Anakotta, Raisa Anas Santria Andita Nur Sakinah Lili Budiarti Anggriawan, Robby Ani Karolina Anis Muyassaroh Anita Fibonacci Anita Fibonacci, Anita Anna Permanasari Anwar, Sjaepul Asep Kadarohman Asep Kadarohman Asep Supriatna Asep Supriatna, Asep Asep Suryatna Aswati Asri, Aswati Atep Rian Nurhadi Aulia Rahim Aulia, Aldini Azizah, Naila Buchari Buchari Budiati, Andita Nur Sakinah Lili Budiman Anwar Cece Nurhidayat Cecep Jaenudin Depi, Siska Sintia Devi Pratiwi Sudrajat Devita Marlina Venessa Dewi Sanusi Noor Dewi Sulistyowati, Dewi Dian Mustikasari Diana Rochintaniawati Dieni, Wahyu Eka Fath Dulanlebit, Yeanchon Henry Dwi Siti Hartinah Eny Ambarawati Eka Cahya Prima Eko Puji Rahayu Elah Nurlaelah Eneng Saidatus Syadiah Eri Ria Budiarty F Hidayat F. M. T. Supriyanti Fadhilah, Anita Fadilawati, Siti Fahmi, Jam'an Fauzi, Billy Oktora Abdillah Fazarwati, Reza Febrian Andi Hidayat Febrizal Ujang Fitri Khoerunnisa Fitri Khoirunnisa Fitria Nurdianti Galuh Yuliani Habiby, Iqbal Hanafi, Ainul Ahmadsyah Hartono, Rudi Haunan, Vito Winata Heli Siti Halimatul Hidayat, Lina Nurlina Husna, Nisyya Syarifatul Ida Kaniawati Ika Nur Fitriani Indah Sari Indah Sari Indra Tri Gunawan Iqbal Musthapa Irmawati Irmawati Iwan Muhamad Ramdan Kadarohman*, Asep Kaniawati*, Ida Lee, Tien Tien Lestari, Ida Ayu Indira Dwika Liliasari , Mahmudah Mahmudah Marfuatun Marfuatun Mellyzar, Mellyzar Mochammad Imron Awalludin Monica Prima Sari Mr Amprasto Mr Buchari Mr Sumar Hendayana Muhammad Bachri Amran Muhammad Nurul Hana Muminah, Qonita Murti*, Adek Diah Murti, Adek Diah Musa'adah, Siti Muslim Muslim Muyassaroh, Anis Nabilatunnisa, Izza Nahadi Nahadi Nahadi*, Nahadi Nais, Miarti Khikmatun Nanang Winarno Nurhadi, Atep Rian Nurpratiwi, Febrianty Nursiwan, Wimbi Apriwanda Omay Sumarna P Siahaan P Sinaga Pangilinan, Greian April Park, Do-Yong Parlindungan Sinaga Perdani, Anggie Siti Permasari, Ninda Pratiwi, Alfira Julian Purba, Ester Yuliati Cristina Purwanti purwanti Ragadhita, Risti Ramadany, Lisa Dewi Razani, Ahmad Nafran Riandi Riandi Rini Solihat Rira Octa Ningsi* Risfaheri Risfaheri Roslan, Roslinawati Mohd S. Mulyanti Salsabila, Syifa Ayugea Santria, Anas Septiyanto, Arifin Siti Aisyah Siti Latifah Nata Siti Sriyati Soja Siti Fatimah Soja Siti Fatimah Solfarina Solfarina Solfarina, Solfarina Sri Agustina, Sri Sri Mulyani Sri Mulyani Sri Wahyuni Sri Wahyuni Suci Rizki NA Suharyadi S.Pd. Susilawati, Aay Sutrasman Sutrasman Suwandi, Tri Syam, Sri Rahmadani Syifa Ayugea Salsabila T. R. Ramalis TATANG HIDAYAT, TATANG Tatit K. Bunasor, Tatit K. Taufik Ramlan amalis Tias, Bachrul Titen Pinasti Triannisa Rahmawati, Triannisa V A Tonjo Wafi, Wulanda Wahyu Eka Fath Dieni Wawan Setiawan Wawan Setiawan Wawan Setiawan Widyaningsih, Mia Wiji Adji Wiwi Siswaningsih Yaya Sonjaya Yeni Setyowati* Yuliani, Galuh Yulina, Indah Karina Yusmaita, Eka Zackiyah Zackiyah