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Indah Purnamasari
Program Studi Ilmu Kelautan Fakultas Pertanian Universitas Bengkulu, Bengkulu
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Adsorpsi Logam Pb2+ dari Limbah Laboratorium Menggunakan Komposit TiO2 – Karbon Aktif Kulit Durian Azzahra, Keyla; Rusdianasari, Rusdianasari; Purnamasari, Indah
Jurnal Daur Lingkungan Vol 9, No 1 (2026): February
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/daurling.v9i1.315

Abstract

Heavy metals are dangerous environmental pollutants known to produce toxic effects on various organ systems in humans and other living organisms. Lead (Pb) is one of the common heavy metals found as a contaminant in the environment, capable of causing a range of negative impacts. This experiment was conducted to analyze the ability of a composite made from TiO2 and activated carbon derived from durian peel to absorb Pb ions present in laboratory waste. Additionally, this experiment also focused on calculating the adsorption kinetics. The activated carbon, weighing 25 grams, was activated with KOH using various solvent concentrations of 2, 3, and 4 M. The activated carbon was then added to 100 ml of titanium dioxide solution, and the mixture was dripped into an STTP-ethanol solution. The sample was stirred for varying durations of 10, 20, 30, and 40 minutes. The sample was filtered and then analyzed using AAS. The optimal time found in this study was 40 minutes, with an adsorption efficiency of 95.45% and an adsorption capacity of 4.2000 mg/g. The adsorption of Pb metal followed the Langmuir isotherm model.
PENGARUH PEMBERIAN KOMPRES DINGIN DAUN SIRIH TERHADAP PENURUNAN NYERI LUKA PERINEUM PADA IBU POSTPARTUM DI PMB KELURAHAN SINAR BANTEN Ritasari, Ari; Dwi Agustiani, Mia; Purnamasari, Indah
Jurnal_Kebidanan Vol. 15 No. 1 (2025): Jurnal Kebidanan Volume 15 Nomor 1 Tahun 2025
Publisher : STIKES Panca Bhakti Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33486/jurnalkebidanan.v15i1.313

Abstract

Latar Belakang : Luka perineum adalah luka yang terjadi saat bayi lahir, baik secara spontan atau melalui prosedur. Faktor penyebab terjadinya rupture perineum adalah paritas, jarak kelahiran, usia, fleksibilitas jalan lahir, berat bayi saat dilahirkan, dan proses persalinan yang melibatkan intervensi. Luka dan nyeri pada perineum sering terjadi proses kelahiran bayi besar dapat menyebabkan regangan berlebihan pada jalan lahir, terutama saat kepala dan bahu janin dilahirkan, yang berpotensi memicu infeksi pada ibu bersalin. yaitu robekan perineum yang juga sebagai salah satu penyebab perdarahan pada ibu paska salin, dan dengan adanya robekan pada perineum sehingga meningkatkan resiko terjadinya infeksi. Penanggulangan infeksi dapat dilakukan secara farmakologi yaitu berupa pemberian antibiotic dan non farmakologi dengan menggunakan kompres dingin daun sirih. Metode Penelitian : Penelitian ini menggunakan Metode Pretest Posttest One Group digunakan untuk pra eksperimen. Penelitian ini mengambil sampel total sebanyak 42 orang. analisis data univariat menggunakan tabel distribusi frekuensi, analisis bivariat dengan uji Shapiro Wilk, dan analisis Wilcoxon Signed-Rank. Hasil : Hasil penelitian didapatkan karakteristik responden berupa usia dan paritas. penelitian ini menggunakan alat ukur kuisioner untuk mengukur intensitas skala nyeri perineu. Telah dilakukan perhitungan dengan Wilcoxon dengan hasil Pengaruh penerapan kompres dingin dari daun sirih terhadap pengurangan tingkat nyeri luka perineum pada ibu setelah melahirkan di PMB Kelurahan Sinar Banten Ulubelu Tanggamus menunjukkan nilai p sebesar 0,000 < ? = 0,05. Simpulan : Penggunaan kompres dingin dari daun sirih memiliki dampak terhadap pengurangan tingkat nyeri pada luka perineum pada ibu yang baru melahirkan di PMB Kelurahan Sinar Banten Ulubelu Tanggamus.
Proyek Sistem Informasi Pengajuan Klaim Asuransi Jiwa Berbasis Web Pada Asuransi Syariah Takaful Keluarga Pranata, Dicky; Hamid, Muhammad Irfan; Dzariyat, Yolla; Purnamasari, Indah
Jurnal Ilmiah Sains dan Teknologi Vol. 10 No. 1 (2026): Jurnal Ilmiah Sains dan Teknologi
Publisher : Teknik Informatika Fakultas Ilmu Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47080/saintek.v10i1.4531

Abstract

The sharia life insurance claim process requires speed, transparency, and compliance with sharia principles. However, at PT Asuransi Takaful Keluarga, the claim process is still handled manually, causing delays, document loss risks, and limited transparency in claim status and Service Level Agreement (SLA) monitoring. This study aims to design and develop a web-based Sharia Life Insurance Claim Submission Information System to automate the end-to-end claim process and improve service efficiency. The developed system provides online claim submission, document upload and verification, real-time claim and SLA monitoring, and audit trail features. System testing was conducted using Performance test, Website safety test, User Acceptance Testing (UAT), and System Usability Scale (SUS). The results show that the system functions properly and achieved a SUS score of 82.5, categorized as Excellent. The system effectively improves efficiency, transparency, and accuracy in the sharia life insurance claim process
Identifikasi Kebutuhan pada Peningkatan Mutu Pendidikan Berbasis SPMI di SMK Negeri 2 Pelaihari Purnamasari, Indah; Hadiansyah, Hadiansyah; Sulistiyana, Sulistiyana; Suhaimi, Suhaimi
Jurnal Pendidikan dan Pembelajaran Indonesia (JPPI) Vol. 6 No. 2 (2026): Jurnal Pendidikan dan Pembelajaran Indonesia (JPPI), 2026 (2)
Publisher : Yayasan Pendidikan Bima Berilmu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53299/jppi.v6i2.4004

Abstract

Permasalahan utama dalam peningkatan mutu di Sekolah Menengah Kejuruan (SMK) belum optimalnya implementasi penjamin mutu internal sebagai instrumen perencanaan berbasis data. Penjamin mutu internal umumnya dipandang sebagai kewajiban administratif, sehingga belum dimanfaatkan secara maksimal untuk mengidentifikasi kebutuhan peningkatan mutu secara sistematis. Penelitian ini bertujuan untuk mengidentifikasi kebutuhan peningkatan mutu pendidikan di SMK Negeri 2 Pelaihari melalui pendekatan Sistem Penjamin Mutu Internal (SPMI). SPMI adalah suatu mekanisme internal sekolah yang melibatkan komponen (kepala sekolah, guru, tenaga kependidikan dan komite sekolah) untuk melihat pencapaian standar mutu pendidikan dan menentukan program prioritas kebutuhan peningkatan mutu secara berkelanjutan. Penelitian menggunakan pendekatan kualitatif deskriptif dengan rancangan studi kasus. Subjek penelitian ditentukan melalui teknik purposive sampling yang melibatkan kepala sekolah, wakil kepala sekolah SPMI dan tim SPMI. Data dikumpulkan melalui wawancara mendalam, observasi serta studi dokumentasi. Analisis data dilakukan melalui tahapan reduksi data, penyajian data dan penarikan kesimpulan, dengan menggunakan pendekatan analisis kesenjangan antara kondisi aktual dan standar mutu yang diharapkan. Hasil penelitian menunjukkan bahwa implementasi SPMI telah berjalan secara struktural melalui siklus PPEPP, namun belum sepenuhnya optimal dalam pemanfaatan data. Temuan dalam penelitian mengungkapkan bahwa keterlibatan komite masih minim dalam perencanaan program strategis sekolah. Kebutuhan utama yang teridentifikasi meliputi penguatan manajemen berbasis data, peningkatan kompetensi guru serta pengembangan sistem monitoring berkelanjutan. Penelitian ini merekomendasikan SPMI dalam identifikasi kebutuhan untuk meningkatkan mutu SMK yang berkelanjutan.
How Temperature Shapes Diode Performance: An Experimental Study on Rectifier, Avalanche, and Zener Diodes Lee, Mei Chi; Purnamasari, Indah; Kovalenko, Kirill
Schrödinger: Journal of Physics Education Vol. 7 No. 1 (2026): February
Publisher : Cahaya Ilmu Cendekia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37251/sjpe.v7i1.2757

Abstract

Purpose of the study: The purpose of this study is to experimentally analyze the effect of temperature on the internal resistance of rectifier, avalanche, and Zener diodes by measuring their current–voltage characteristics across different operating temperatures. Methodology: This study employed an experimental method using two digital multimeters (Sanwa CD800a), a K-type thermocouple (Omega), a DC power supply (GW Instek GPS-3030), an aluminum container, and an electric heater. Data were recorded manually and analyzed using Microsoft Excel for I–V plotting and temperature coefficient calculations. Main Findings: The rectifier, avalanche, and Zener diodes exhibited distinct I–V characteristics and temperature-dependent behavior. Maximum forward currents were 264.8 mA (rectifier), 299.4 mA (avalanche), and 37.25 mA (Zener). Temperature coefficients showed negative values for avalanche diodes and positive values for Zener diodes. Internal resistance increased with temperature for all diodes, with rectifier Rd ranging from 0.185 Ω to 0.2 Ω, avalanche Rd from 0.233 Ω to 0.25 Ω, and Zener Rd from 0.1 Ω to 0.125 Ω. Novelty/Originality of this study: This study presents a novel experimental comparison of rectifier, avalanche, and Zener diodes by simultaneously evaluating internal resistance and temperature resistivity coefficients under identical thermal conditions. The results provide new empirical insights into diode-specific thermal behavior, advancing current knowledge on temperature-sensitive performance in practical electronic applications.
PERAN KEPEMIMPINAN DALAM MENDORONG IKLIM ORGANISASI YANG ADAPTIF DI UPTD SDN 2 BATI-BATI Meldayani, Sri; Oktavia, Amalia; Purtama, Dian; Purnamasari, Indah; Arief Prasetya, Muhammad; Suriansyah, Ahmad; Purwanti, Ratna
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.v11i02.46805

Abstract

This study aims to analyze the role of leadership in fostering an adaptive organizational climate at UPTD SDN 2 Bati-Bati. This research uses a qualitative approach with a field research design. The subjects of this study include the principal, teachers, and educational staff. Data were collected through observation, in-depth interviews, and documentation. The validity of the data was ensured through source and technique triangulation. The results indicate that the principal applies leadership practices that lead to a transformational approach, characterized by participative communication, motivation, and support for innovation. This leadership contributes to the formation of an adaptive organizational climate marked by openness, collaboration, and responsiveness to change. Thus, leadership plays a crucial role in enhancing the adaptability of educational organizations.
Co-Authors - Siswandari ., Fadarina A.S, Putu Yoga Abdurrahman, RM Arif Abu Hasan Adilah, Yunis Aditia Sutrisno, M. Triesnaldi Aditya, Donis Afif Nurul Hidayati, Afif Nurul Afriyanti, Iis Agus Aan Adriansyah Agustina, Indah Fitri Ahmad Jaelani Ahmad Suriansyah Akhmad Sukri Alfianti, Meilinia Nurul Amelia, Lucky Anerasari Meidinariasty Anita Rahmiwati Annisa Ramadhani Arief Prasetya, Muhammad Arlina Dewi Aslamiah Aslamiah Astindari Astindari, Astindari Azzahara, Cut Putro Azzahra, Keyla Bima Suryantara Budi Prasetyo Budianti, Yusnaili Cahyani Budihartanti, Cahyani Cita Rosita Sigit Prakoeswa Damayanti Damayanti DESI NURWIDAWATI Dewi, Novita Puspita Dian Purnama Diana, Firmansyah Didiek Hari Nugroho Doddy Adhimursandi Dwi Agustiani, Mia Dwi Murtiastutik Dzariyat, Yolla Effendy, Isaak Efri Roziaty Eka Mulyana, Eka Erwana Dewi Evy Ervianti Fadillah Fadillah Fadillah, Nadia Zaky Fajria, Maulfi Fajrin, Hanif Fatimah Sari, Fatimah Fatmalina Febry Fatmawati, F Fenny Etrawati Fithri, Novia Ramadhani Frisma Handayanna Gunarmi Gunarmi, Gunarmi Hadiansyah, Hadiansyah Hafidz, Abdurrahman Hamid, Muhammad Irfan Hanifa, Fatya Nurul Hardinandar, Fajrin HC, Fadarina Henry Prastanto, Henry Henry Soleman Raubaba, Henry Soleman Hermalina, Julia Indah Suryani Indarto - Irawan, Dewanda Issabella, Chentia Miss Issabella, Chentia Misse JAROT BUDIASTO Jusuf Barakbah, Jusuf Kadafi, Abdul Rahman Kanah, Neneng Karnita Afnisari, Karnita Kesi Widjajanti Khaerunnisa Khaerunnisa, Khaerunnisa Khairunnisak Khairunnisak, Khairunnisak Kovalenko, Kirill Krisnadi, Eka Kharisma Kristiyono Putro, Abraham Abimanyu Kurnia Ningsih Kurniawan, Yoga Kurniawan KUSUMASTUTI, ETTY HARY Lee, Mei Chi Legowo, Dinda Mirranty Leily Amalia Lety Trisnaliani Linda Astari, Linda Luthfiah, Sakinah M. Yulianto Listiawan Maharani, Saskia Novtrivia Mahfiyani, Mahfiyani Maimunah, Sitti Manggala, Fajar Wira Cakra Marheny Lukitasari Martha Aznury Martodiharjo, Sunarko Maryam Nadir Masganti Sit Maylita Sari, Maylita Maysaroh, Efi Meldayani, Sri Mirnawati, Suci Mokh. Iman Firmansyah Muhammad afrizal Muhammad Akbar Muhammad Luthfi Muhammad Rizkan Muhammad Yerizam Murniasih, Elvi Mustain Zamhari Muzdalifah, Elva Nabila, Rizky Ayu Navelia, Zesika Intan Ni'mah, Irfa Lailatul Noval Noval Novrita, Bibah Nur Hidayah Nuralifah Nuralifah, Nuralifah Nurhasan Hamidi Nursyiam, Maselvi Ardhillah Nyayu Zubaidah Oktavia, Amalia Panova, Tatiyana Parawansah Parawansah, Parawansah Pepy D. Endraswari Permadi, Jekasyah Pramadhani, Wulan Pranata, Dicky Prasetya, Muhammad Arief Prasetyo, Muhammad Arief Purtama, Dian Purwanti, Ratna Putra, Andreyana Pratama Putri, Shania Putri, Shinta Adelina Rachmat, Budi Kurniawan Rahmah Fithriani Rahmaniar Rahmaniar, Rahmaniar Ramadhan, Kahfi Ramadhan, Muhammad Dhia Ramayanti, Cindi Ratna Dewi Kumalasari, Ratna Dewi Reza Rendian Septiawan Rezasatria, Muhammad Rezasatria, Muhammad Rini Mutahar Ritasari, Ari Rizky Amelia Robert Junaidi Rohama, Rohama Rohmatillah, Abidah RR. Ella Evrita Hestiandari Rusdianasari Rusdianasari Rusliani, Dian Monalisa Saepul Anwar Santoso Setiawan Saputra, Ade Akhmad Saputra, Dedi Dwi Selastia Yuliati Selviana Selviana SEPTIANA SEPTIANA Septiani, Aldila Serang, Stefania Widyanti Siti Maimunah Sofyan, Fauzi Sri Rusiyati Sri Utami Sudirman Sudirman Sugiyarto, Ipin Suhaimi Suhaimi Sulistiyana, Sulistiyana Sumbung, Frederik H Suwarisman, Achmad Suwarno Suwarno Syah, Ferdiyan Syakdani, Adi Syamswisna , Syasna, Annisa Taufiq Jauhari Tuslaela Tyasningsih, Wiwiek Umar Ali Ahmad Utami, Rizki Sari Utami Wa Ode Sitti Asfiah Udu, Wa Ode Sitti Asfiah Warneri . Wedhiningsih, Nining Wicaksono Putra, Aldhan Wijaya, Rama Wulandari, Arinda Xaverius, Fransiskus xueyun, Zhong Yaqub, Amak M. Yohandri Bow yuda pratama Yulianti Wulandari Yunita, Mawarni Yustina Ananti, Yustina Zakiah, Nurrahman Zaman, Muhammad