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All Journal Sainmatika: Jurnal Sains dan Matematika CHEMISTRY PROGRESS Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Teknologi Jurnal Ilmiah Mahasiswa FEB Jurnal Riset Kimia CHEMPUBLISH JOURNAL Jurnal Penelitian Sains SCIENCE TECH: Jurnal Ilmiah Ilmu Pengetahuan dan Teknologi Pendas : Jurnah Ilmiah Pendidikan Dasar JCES (Journal of Character Education Society) Chemistry Indonesian Journal of Chemical Research Martabe : Jurnal Pengabdian Kepada Masyarakat Walisongo Journal of Chemistry Jambura Journal of Chemistry Eksakta : Berkala Ilmiah Bidang MIPA Journal of Environmental Science and Sustainable Development Prosiding Seminar Teknologi Kebumian dan Kelautan (SEMITAN JAMMI These proceedings represent the work of researchers participating in The International Conference on Elementary Education (ICEE) which is being hosted by the Elementary Education Study Programme School of Postgraduate Studies, Universitas Pendidikan Jurnal Bio-Geo Material Dan Energi Experiment: Journal of Science Education JIPMukjt:Jurnal Ilmu Pendidikan Muhammadiyah Kramat Djati Jurnal Pustaka Mitra : Pusat Akses Kajian Mengabdi Terhadap Masyarakat Kolaborasi Jurnal Pengabdian Masyarakat JSEP (Journal of Science Education and Practice) JOURNAL OF CHEMICAL NATURAL RESOURCES (JCNaR) Jurnal Karya Abdi Masyarakat Journal of Economics Publish : Basic and Applied Research Publication on Communications JPLED Paradharma: Jurnal Aplikasi IPTEK Jurnal Pustaka Dianmas Jurnal Edukasi Biologi Journal of Islamic Education Students Asian Journal of Early Childhood and Elementary Education al Kimiya : Jurnal Ilmu Kimia dan Terapan JURNAL REKAYASA KIMIA & LINGKUNGAN
Intan Lestari
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Biosorption of Zn (II) Metal Ion by Ca-Alginate Immobilized Durian (Durio Zibethinus) Seed Lestari, Intan
Journal of Chemical Natural Resources Vol. 1 No. 2 (2019): Journal of Chemical Natural Resources
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (874.723 KB) | DOI: 10.32734/jcnar.v1i2.1254

Abstract

Heavy metal biosorption by alginate immobilized durian seed has been done. The immobilization of durian seed powder to Ca-alginate was able to improve biomass adsorption process, increase uptake capacity, ease separation from solution, generate and repeat biosorbent. In this experiment the effect of pH, contact time, concentration and temperature on the uptake capacity of metal ions Zn(II) in solution were studied. Biosorption was done batch methods and result was studied Langmuir and Freundlich adsorption isotherm. The adsorption of heavy metal was optimum in pH 5 with 75 mins contact time and Zn(II) ion under the concentration of 250-300 mg/l. The adsorption isotherm data was characterized using Langmuir and Freundlich equation. The equilibrium biosorption isotherm showed that alginate immobilized durian seed process has high affinities with adsorption capacities of 25.05 mg/g. All results showed that alginate immobilized durian seed is an alternative low cost biosorbent for heavy metal ion removal from aqueous solution
Application of Habituation and Singing Methods in Forming Character Religious and Moral Values in Early Childhood Lestari, Intan; Aryanti, Zusy
Journal of Islamic Education Students (JIES) Vol. 4 No. 1: May 2024
Publisher : Universitas Islam negeri Mahmud Yunus Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31958/jies.v4i1.12287

Abstract

This research aims to describe the process of character formation with religious and moral values through habituation and singing methods. The approach used in the research is descriptive qualitative with data collection techniques of observation, interviews and documentation. Data analysis which includes data reduction, data presentation, and drawing conclusions. Testing the validity of the data uses triangulation techniques, namely technical triangulation and source triangulation. The results of the research show that the habituation and singing method allows children to directly model what they can and cannot do. So that children get used to doing something that is good and easy to remember or sticks in the child's memory and will become a habit that forms character, religious and moral values. These two methods also make learning activities more interesting, not boring and monotonous for children. 
SPATIAL SEGREGATION AND SOCIOECONOMIC DISPARITIES IN URBAN LAND USE PATTERNS Lestari, Intan; Hasibuan, Hayati Sari; Ardiwijaya, Vevin Syoviawati
Journal of Environmental Science and Sustainable Development Vol. 7, No. 2
Publisher : UI Scholars Hub

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

Abstract

Jakarta, a city that has continued to develop, is marked by the growth of population in Jakarta. This growth has been accompanied by an increasing demand for land, resulting in spatial segregation. Some areas have large expanses of land, while others are densely populated and cramped. The purpose of this study is to analyze spatial segregation in the Penjaringan and Pluit Subdistricts of North Jakarta. The research employs a qualitative descriptive analysis method, spatial analysis using Moran's and Getis-Ord Gi*, and a literature review enriched with interviews. The research findings indicate clear spatial segregation between Pluit and Penjaringan, divided into positive and negative hotspot clusters representing larger vs. very narrow land parcels. It is also shown by the clustering pattern with the 0.03 Moran index value. The contrast in segregation depicts demographic and socioeconomic characteristics between the two areas. This pattern is also similar to the land value zones, where Penjaringan has lower land values than Pluit. These findings underscore the pressing need for inclusive urban planning strategies to address spatial disparities. Policies that promote shared public spaces, equitable infrastructure distribution, and mixed-use development could help bridge the socioeconomic divide. By integrating spatial equity into planning practices, urban development can foster greater social cohesion and ensure that the benefits of growth are more evenly distributed across all areas. This approach is vital for creating sustainable and inclusive urban environments.
Green Household Initiative: Pengenalan Ekonomi Sirkuler dalam Pengelolaan Limbah Rumah Tangga Dasmaran, Verliani; Permatasari, Novelia Kiki; Sutihat, Eva; Masitoh, Masitoh; Nuraeni, Rini; Al Birun, Muhamad Syehan; Umamah, Neneng; Lestari, Intan
Jurnal Pustaka Dianmas Vol 5, No 2 (2025)
Publisher : Universitas Prof. Dr. Moestopo (Beragama)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32509/dianmas.v5i2.6505

Abstract

The increasing generation of household waste in Indonesia, including in Teluklada Village, Sobang District, Pandeglang Regency, poses a serious threat to environmental quality and public health. Low environmental literacy, limited understanding of waste separation, and the prevalence of open burning and mixed waste disposal highlight the urgent need for community-based environmental education. In response to this issue, the Green Household Initiative Community Service Program (PKM) was implemented to enhance public understanding of the circular economy as an alternative approach to household waste management. The methods included field observation, preparation of educational materials, delivery of socialization through presentations and interactive discussions, and basic evaluation of participants’ comprehension. The results indicate a notable improvement in participants’ knowledge of the 3R principles (reduce, reuse, recycle), a positive shift in perceptions regarding the value of waste, and increased awareness of the importance of waste sorting in daily activities. Overall, this program plays a critical role in addressing the urgent need for environmental education and serves as an initial step in strengthening community understanding of circular economy–based waste management.
METODE KROMATOGRAFI GAS UNTUK ANALISIS PESTISIDA ORGANOPOSPAT Lestari, Intan
Jurnal Sains dan Matematika Vol. 1 No. 1 (2020): Jurnal Sain dan Matematika
Publisher : PMIPA FKIP UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.1234/sainmatika.v3i1.1614

Abstract

Dalam bidang pertanian pestisida merupakan salah satu pilihan dalam pembasmian hama dan penyakit tanaman, tapi juga mempunyai dampak terhadap lingkungan. Beberapa metode telah digunakan untuk penentuan residu pestisida dalam air salah satunya dengan menggunakan kromatografi gas. Sampel diambil di daerah pertanian kota Jambi yang menggunakan pestisida dengan  nama bahan aktif fention dan diazonin. Sampel diekstrak  dengan pelarut heksan dan hasil ekstrak ditentukan dengan GC. Penentuan kondisi optimum pengukuran dilakukan sebelum penentuan konsentrasi sample. Hasil pengukuran menunjukkan waktu retensi 6,704 menit untuk diazonin dan 9,265 menit untuk fention. Standar deviasi relative  4,703% untuk diazonin dan  2,431%  untuk fention. Ketepatan ;hasil metoda dicobakan terhadap sample dan didapatkan kadar pestisida organopospat antara 0,0160 ppm sampai 0,0302 pm dengan harga rekoveri rata-rata 98,35 %.   Kata Kunci: Kromatografi gas, Pestisida organopospat, fention dan diazonin.
Idiomatikal pada Stand Up Comedy Kiky Saputri dan Ate roasting Amin Lestari, Intan; Rani Ardesi Pratiwi; Reza Pahlevi Ginting
Journal of Practice Learning and Educational Development Vol. 6 No. 1 (2026): Journal of Practice Learning and Educational Development (JPLED)
Publisher : Global Action and Education for Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58737/jpled.v6i1.727

Abstract

The purpose of this research is (1) to describe the types of idiomatic expressions found in Kiky Saputri's stand-up comedy roasting Amin, and (2) to describe the idiomatic functions found in Kiky Saputri's stand-up comedy roasting Amin. The data in this research consists of idiomatic expressions found in Kiky Saputri's and Ate's roasting of Amin. The data source in this research is a video on YouTube titled "Kiky Saputri and Ate roasting Amin." The method used in this research is a qualitative method with data collection techniques, (1) listening to and paying attention to the idiomatic expressions found in the roasting video of Amin, (2) noting the idiomatic expressions that have been identified and correspond with the data in the video, (3) transcribing the video to facilitate the data collection process and to prevent missing idiomatic data in the research. Based on the research results that have been conducted, there are 40 data points divided into 9 full idiom types and 33 partial idiom types. In addition, there are also idiom functions. The function as advice appears in 9 data, the function as sarcasm in 23 data, the function as praise in 4 data, and the function as emphasis in 5 data.
PENINGKATAN LITERASI MEMBACA SISWA MELALUI MODEL IPAER (IDENTIFYING PLANNING ACTING EVALUATING REFLECTING) DI SEKOLAH DASAR Lestari, Intan; Nayariah Siregar; Fitri Nauli Siagian
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 Nomor 02, Juni 2026 Published
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.53631

Abstract

This study was motivated by the low reading literacy skills of fourth-grade students in Civic Education learning, particularly in understanding reading texts, identifying main ideas, and drawing conclusions from texts. The aim of this study was to improve students’ reading literacy skills through the implementation of the IPAER learning model (Identifying, Planning, Acting, Evaluating, Reflecting). To address this problem, the research employed Classroom Action Research (CAR) using the Kemmis and McTaggart model, which was conducted in three cycles with 29 students as research subjects. The results showed a significant improvement in students’ reading literacy skills, where the average score increased from 36.42% with a mastery level of 6.90% (2 students) in the pre-cycle to 51.07% with 20.69% mastery (6 students) in Cycle I, then increased to 75.43% with 58.62% mastery (17 students) in Cycle II, and reached 93.97% with 100% mastery (29 students) in Cycle III. Based on these findings, it can be concluded that the IPAER learning model is effective in improving students’ reading literacy skills through active, meaningful, and student-centered learning.Keywords: Reading literacy; Civic Education; IPAER model; Classroom Action Research (CAR).
Amobilisasi Biji Durian (Durio zibethinus) dalam Ca-Alginat sebagai biosorben zat warna Metilen Biru Lestari, Intan
Chempublish Journal Vol. 4 No. 1 (2019): Chempublish Journal
Publisher : Department of Chemistry, Faculty of Science and Technology Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (319.098 KB) | DOI: 10.22437/chp.v4i1.6900

Abstract

Telah dilakukan penyerapan zat warna metilen biru menggunakan biji durian teramobilisasi Ca-alginat. Dalam penelitian ini serbuk biji durian di amobilisasi dengan Ca-alginat dengan teknik penjebakan (entrapment). Biosorben yang diperoleh dikarakterisasi dengan intrumen XRF, FTIR dan SEM. Biosorben biji durian teramobilisasi Ca-alginat digunakan untuk penyerapan metilen biru dengan mempelajari pengaruh parameter adsorbsi seperti pH, waktu kontak, massa dan konsentrasi metilen biru. Dari hasil penyerapan diperoleh pH optimal yaitu pada pH 3, waktu kontak optimum 30 menit, massa biosorben 0,5 g dan konsentrasi zat warna optimal 3 ppm. Larutan HNO3 digunakan untuk regenerasi biosorben dan penyerapan metilen biru dapat dilakukan untuk 3 kali ulangan.
Co-Authors -, Rahmi - Abdillah Abdillah Ade Adriadi Agrina Lisma Agustina, Elsi Al Birun, Muhamad Syehan Alben Ambarita Alfernando, Oki Alkatiri, Jufri Amin, Sahrul Anna Rakhmawati Ardiwijaya, Vevin Syoviawati Ariana, Febi Arif, M. Ridwan Asep Rohman Ayu, Shinta Putri Azira, Ayu Azril Damris Muhammad Denny Prabawa, Aditya Desy Kurniawati Dhian Eka Wijaya Diah Riski Gusti Edwin Permana Eko Prasetyo Elisma Elisma Erda, Erda Eva Sutihat Faizar Farid Fina Audilla, Yessiska Fitri Nauli Siagian Grasella, Lucintania Gunawan, Anjelli Putri Gusti, Diah Rizki Hayati Sari Hasibuan Hidayat, Dara Shalsa Billah Hidayat, Vikri Idat Muqodas Indra Lasmana Tarigan Indra Lesmana Indriyani Indriyani Iqbal, Anwar Jalius Jalius Kartiko, Frananda Rizki Kastera, Viven Khatoha, Trisqa Laila Lasmana Tarigan, Indra Lenny Marlinda Mahraja, Mahra Martina Asti Rahayu Masitoh Masitoh Mastutik, Diah Maulana, Rico Gewana Resdy Maya Lestari, Maya Mia Aina Muhaimin, . Muhammad Damris Munifilia Ekasari Naswir, Muhammad Natadiwijaya, Ismail Fikri Natalia, Desfaur Nayariah Siregar Nelson, Nelson Ngatijo Ngatijo Nilasari, Aprillia Niswah, Coirun Novelia Kiki Permatasari Nuraeni, Rini Nuralam, Deni Nurjamil, Dimas Setya Nurkholik , Dedeng Nurul, Ramdan Ocktavia, Tyzeka Dwi Oktarise Dwina, Dila Pernadi, Niza Lian Pradina, Armitha Dea Prasetio, Muhamad Reza Prasetyo, Widy Puji Rahayu Putra, Adrisma Juanda Qisthi, Zummul Rahmi Rahmi Rani Ardesi Pratiwi Reza Pahlevi Ginting Rizalzi, Dewa Rustikah, Ika Sari, Avellyn Shintya Satria, Rinaldi Siti Rachmah Sofiani solihah, Nabilatus Sukor, Mohd Zaki Susanto, Nindita Clourisa A Sutrisno, Sutrisno Syahid, Alwi Tarmizi, Fadhilah tekmauk, Jitro valerius Tita Rohita Uce Lestari Umamah, Neneng Verliani Dasmaran Wahyudi, Abdi Walidatur Rofiah, Yuliana Wardhana, Alexander Tantra Wawan Setiawan Wibowo, Yudha Gusti Yohana, Agnes Vionita Zusy Aryanti