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All Journal Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Jurnal Teknik Kimia USU Maspari Journal Jurnal Teknik Mesin Jurnal Dimensi Animal Production : Indonesian Journal of Animal Production Jurnal SOLMA Jurnal Biologi Tropis Jurnal Basicedu Voices of English Language Education Society Jurnal Riset Informatika Jurnal Medika Malahayati JISIP: Jurnal Ilmu Sosial dan Pendidikan Jurnal Surya Jurnal Ners BIMIKI (Berkala Ilmiah Mahasiswa Ilmu Keperawatan Indonesia) International Journal of Advanced Technology in Mechanical, Mechatronics and Material (IJATEC) MEANS (Media Informasi Analisa dan Sistem) Jurnal Kesehatan Tambusai Jurnal Riset dan Inovasi Pembelajaran Nusantara Hasana Journal DIKSI: Jurnal Kajian Pendidikan dan Sosial Binawan Student Journal Civil Officium: Journal of Empirical Studies on Social Science Abiwara : Jurnal Vokasi Administrasi Bisnis Jurnal Locus Penelitian dan Pengabdian Jurnal Teknik Kimia USU Kolaborasi Jurnal Pengabdian Masyarakat Jurnal Informatika Teknologi dan Sains (Jinteks) Jurnal Basicedu JoEELE SEIKAT: Jurnal Ilmu Sosial, Politik dan Hukum Jurnal Keperawatan Profesional (KEPO) JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah Keperawatan Jurnal Pustaka Keperawatan Jurnal Akademik Pengabdian Masyarakat Journal of Geographical Sciences and Education Jurnal Kesehatan Jurnal Keperawatan Mandira Cendikia (JKMC) Frasa: Jurnal Keilmuan Bahasa, Sastra dan Pengajarannya Tafani PLENARY HEALTH : Jurnal Kesehatan Paripurna Journal of Nursing and Health Science Balance: Jurnal Ekonomi JBIMA: Jurnal Pengabdian kepada Masyarakat
Ayu Pratiwi, Ayu
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A Review : The Effect of Nanoparticles in Vegetable Oil on Surface Roughness in Machining Processes Pratiwi, Ayu; Noviyanto, Alfian
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 15, No 01 (2026)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v15i01.36830

Abstract

The use of mineral oil based and synthetic coolants in machining processes remains dominant, despite their negative impacts on the environment and occupational health. Vegetable oils have emerged as an environment friendly alternative due to their biodegradable, non toxic properties, and renewable sources. However, thermal and tribological limitations restrict their performance under extreme conditions. To address this, various studies have investigated the addition of nanoparticles to vegetable oils to form nanofluids with improved lubrication and cooling performance. Nanoparticles such as aluminum oxide (Al₂O₃), molybdenum disulfide (MoS₂), and graphene have been shown to enhance thermal conductivity, reduce friction, and form protective tribological layers. This literature review discusses the effect of the combination of vegetable oil and nanoparticles on surface roughness in machining processes. The results show that nanofluids can significantly reduce surface roughness, particularly in Minimum Quantity Lubrication (MQL) systems. The effectiveness of nanofluids is greatly influenced by the type, size, and concentration of nanoparticles, where the optimal concentration varies but remains within a certain range (e.g., 2.5% for Al₂O₃). This study emphasizes that the development of plant-based nanofluids is a strategic approach toward efficient, environment friendly, and sustainable machining.
Relationship Between Self Efficacy and Emotional Intelligence to Burnout In Nurses At Pakuhaji Hospital Miftahul Aini, Intan; Diel, M. Martono; Pratiwi, Ayu
Jurnal Riset Media Keperawatan Vol. 8 No. 2 (2025): DESEMBER
Publisher : Sekolah Tinggi Ilmu Kesehatan Sapta Bakti

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Abstract

Background: Burnout is physical, mental and emotional exhaustion that occurs due to stress suffered over a long period of time, which demands high emotional involvement. High self efficacy helps individuals to complete tasks and reduce burnout related to their ability to control themselves and emotional intelligence helps nurses to understand emotions that occur both in themselves and others so that they become more engaged and the tendency for burnout experienced will be low. Objective: This study aims to determine the relationship between self efficacy and emotional intelligence to burnout in nurses. Method: the method in this study uses a cross sectional approach, the sampling technique uses a total sampling technique with a total of 97 respondents at Pakuhaji Hospital. Data were collected through questionnaires. Data analysis was carried out using univariate and bivariate analysis with the Chi-Square test. The results of the Chi-Square statistical analysis showed that there was a relationship between self-efficacy (p = 0.038) and emotional intelligence (p = 0.038) on burnout in nurses at Pakuhaji Regional Hospital. The overall results showed that there was a significant relationship between self-efficacy and emotional intelligence on burnout in nurses at Pakuhaji Regional Hospital
Progressive Muscle Relaxation on Depression Levels in Schizophrenia Patients Treated in Griya Medika Pratiwi, Ayu; Edmaningsih, Yunike; Ramadhan , Ahmad Farid; Hapsari, Fahira Noviantika Dwi
Jurnal Keperawatan Profesional (KEPO) Vol. 6 No. 2 (2025): Volume 6 Nomor 2 November 2025
Publisher : Sarana Ilmu Indonesia (salnesia)

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Abstract

Patients with schizophrenia often exhibited behaviors such as social withdrawal, hypervigilance, difficulty in management, and vulnerability to anxiety and depression. Progressive Muscle Relaxation (PMR), as a muscle relaxation technique, had been shown in stress management programs to alleviate symptoms of anxiety, depression, and insomnia. The purpose of this study was to examine the effect of Progressive Muscle Relaxation (PMR) on depression levels among patients with schizophrenia at Panti Griya Medika. This study employed a quasi-experimental design using a pretest–posttest without a control group approach. The sample consisted of 30 subjects, selected through purposive sampling. Data were collected using a demographic questionnaire and the Hamilton Depression Rating Scale (HDRS), which consists of 17 items to assess the severity of depression. Data analysis was conducted using the paired t-test. Clinically, there was a decrease in depression scores by 2.1 points following the administration of PMR. However, statistically, this reduction from 12.20 to 10.10 did not show a significant effect; therefore, the effectiveness of PMR therapy in reducing depression in schizophrenia patients could not be strongly validated through this study. It is therefore recommended that PMR be implemented regularly as a complementary non-pharmacological intervention in the management of depression among patients with schizophrenia.
Co-Authors Abesha, Muhammad Bagas Adela Sapitri, Tania ADELIA, PUTRI Adi Setiawan Aeny, Nurul Agatha, Titania Puela Aisy, Syifaa’ur Rahmanil Alfackri, Rizal Alimuddin, Muhammad Ilham Alkhinaya, Imelzsa Alluthfiyah, Isfa Almas Alvaradis, Ach Amaliah, Salsabila Fathihah Amaliah Amanda, Selanita Auliya Amelia, Devita Andardinata, Ady Andi, Feri Anwar Ganing, Anwar Ganing Arabela, Shakila Arbi, Mokhram Ari Arifin, Siti Rahma Ariyani, Amra Arum, Naiya Giska Fauzhia Sekar Asriati Asriati, Asriati Asti Dipayanti, Ni made Bintang Saputri, Tegar Catur Fatchu Ukhriyawati Chantika, Faradila Cintika, Sara Famelia Deviany Diel, M. Martono Dini Anggraini, Dini Dwiputri, Aurra Amalia Edmaningsih, Yunike Eka Yusnaldi Elfita . Ervin Nora Susanti, Ervin Nora Febrianti, Divani Widya Feerzet Achmad Firli Martanti, Siti Fitri, Nurwijaya Gandhi Sutjahjo Geryana Suantara, I Putu Ryan Gustina, Devi Hadi Pranoto Hajar, Qurban Hanyfania, Aulia Rahma Hapsari, Fahira Noviantika Dwi Haratua Tiur Maria Silitonga Haryadi, Andri Hidayat, Mario Hijrah I G.L. Oka I N.S. Sutarpa, I N.S. I Nyoman Sumerta Miwada Isfahani, Rizki Islamy, Sofyan Izzaturrahmah, Annis Joko Priyana Karantina, Wa Ode Yessi Kusumastuti, Nurry Ayuningtyas Kusumawardani, Anggilia Lasni Maryanah, Maryanah Masahuddin, La Masita, Masita Maylani, Jamiatun Melati Mentari Mentari, Mentari Merlina, Merlina Miftahul Aini, Intan Muharam, Muharam Mukhamad Saeful Mukti, Audy Desaela Junia Najwa, Ifa Aulia Nasoetion, Panisean Nasrudienullah, Muhammad Ikhsan Nawafilillah Nengsih, Resti Aulia Nova Mardiana, Nova Noviyanto, Alfian Nur Aprilia, Elisha Nurliza, Tiara Panca Dewi Purwati, Panca Panida, I Kadek Dwi Jendra Permata, Mastura Poernomo, Baby Prastiwi, Nurmalyta Dwi Pratiwi, Elsa Prita Dellia Puspita, Bella Putri, Hamida Ramadhan , Ahmad Farid Ratnasari, Febi Reni Yuniarti Reskawati, Shindy Ainun Rina Puspita Sari Riris Aryawati Rizki Eka Putra, Rizki Eka Rohmanur Aziz, Rohmanur RR. Ella Evrita Hestiandari Santoso, Adjie Sapitri, Tania Adela Saputra, Muhammad Dio Sari, Desja Air Sari, Fariezta Sari, Indri Sari, Mira Permata Septimar, Zahrah Maulidia Sholihah, Ifah Niya Sari Singgih, Rahadi Pratomo Sri Langgeng Ratnasari Suci Rahayu SUHARTO Suhartono Sulaeman Sulaeman Tahir, Muhlis Ulpatami, Niken Wahyu Saputri, Laila Wardani, Dian Wiris Woro Wayan Sayang Yupardhi Wicaksono, Anggun Widayati Widayati Wijaya, Maruf Ajisaka Winarni, Lastri Mei Yuliana Yuliana yusyanah, yusyanah Ziliwu, Sandra Zuliani, Nopita