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All Journal Nominal: Barometer Riset Akuntansi dan Manajemen Jurnal Keuangan dan Perbankan Rekayasa Mesin Jurnal Rekayasa Mesin Omni-Akuatika Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Indonesian Aquaculture Journal JURNAL HERITAGE Jurnal Elemen Jurnal Ilmiah Inovasi Jurnal Review Pendidikan dan Pengajaran (JRPP) Jurnal Teknik Mesin Cakram JURNAL CRANKSHAFT JASF (Journal of Accounting and Strategic Finance) Jurnal ABDINUS : Jurnal Pengabdian Nusantara Journal of Vocational Education Studies (JOVES) STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering The Indonesian Journal of Accounting Research INCARE DEDIKASI PKM PENGABDI: Jurnal Hasil Pengabdian Masyarakat Equity: Jurnal Akuntansi Jurnal Riset dan Inovasi Pembelajaran Narra J Jurnal Bisnis dan Kewirausahaan Action Research Literate (ARL) Abdimas Langkanae Saraq Opat : Jurnal Administrasi Publik Seminar Nasional Pengabdian Kepada Masyarakat Jendela ASWAJA Embrio Pendidikan: Jurnal Pendidikan Dasar Jurnal Akuntansi dan Keuangan Indonesia Dedikasi: Jurnal Pengabdian Kepada Masyarakat Journal of International Conference Proceedings Jurnal Penelitian Ilmu Pendidikan Indonesia Innovative: Journal Of Social Science Research Journal of English Literature and Linguistic Studies (JELLS) Molekul: Jurnal Ilmiah Kimia AutoMech : Jurnal Teknik Mesin Kohesi: Jurnal Sains dan Teknologi JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah Socius: Social Sciences Research Journal West Science Social and Humanities Studies Prosiding Seminar Nasional dan Call Paper STIE Widya Wiwaha Tomorrow’s Education Journal Jurnal Foundry GEMBIRA (Pengabdian Kepada Masyarakat) Jurnal Akademik Pengabdian Masyarakat Jurnal Media Akademik (JMA) Conference Proceedings International Conference on Education Innovation and Social Science Jurnal Ilmiah Nusantara Jurnal Inovasi dan Teknologi Pendidikan EKOBIMA Ekonomi Bisnis dan Manajemen IECON: International Economics and Business Conference Jurnal Pengabdian Masyarakat Teknologi dan Pendidikan (MANTAP) Jurnal Studi Islam dan Sosial E-Jurnal Akuntansi
Sri Hastuti
UPN Veteran Yogyakarta
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Neutrophil-to-lymphocyte ratio and stenosis severity in ischemic stroke: Digital subtraction angiography evaluation and implications for inflammation-based risk stratification in the Indonesian population Fiqri, Aidil; Musadir, Nasrul; Imran, Imran; Desiana, Desiana; Hastuti, Sri
Narra J Vol. 5 No. 3 (2025): December 2025
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v5i3.2959

Abstract

Neutrophil-to-lymphocyte ratio (NLR), an accessible biomarker derived from routine blood counts, has been associated with stroke severity and outcomes. However, its association with angiographically confirmed stenosis has not been fully established. The aim of this study was to investigate the correlation and association between the NLR and the severity of intracranial arterial stenosis assessed by digital subtraction angiography (DSA). An observational analytic study with a cross-sectional design was conducted. Patients with acute ischemic stroke who underwent DSA were included using a total sampling method. Eligible patients were aged >18 years, had ischemic stroke onset <14 days, and had no prior thrombolysis, endovascular treatment, or surgery for cerebral stenosis. Those with infection, hematological disorders, malignancy, or immunosuppression were excluded. NLR was calculated from complete blood count results at admission, while stenosis severity was quantified using the Warfarin–Aspirin Symptomatic Intracranial Disease (WASID) method. A total of 44 ischemic stroke patients who underwent DSA were included. Pearson correlation test revealed a strong positive correlation between NLR and the severity of intracranial arterial stenosis (r=0.671; p<0.001). In subgroup analysis, NLR showed a strong positive correlation with stenosis severity in the cerebral arteries (r=0.707; p<0.001), but not in the carotid arteries (r=0.434; p=0.182). One-way ANOVA revealed significant differences in NLR across stenosis severity groups (p<0.0001), with higher NLR in moderate and severe stenosis compared with mild stenosis (p=0.017 and p=0.0003, respectively). These findings suggest that NLR reflects the inflammatory burden contributing to vascular narrowing and may serve as a simple and widely available biomarker for identifying ischemic stroke patients with a higher burden of intracranial arterial stenosis, particularly in settings where access to advanced imaging is limited.
Analysis of Wear Resistance in Eco-Friendly Paving Blocks Utilizing Multilayer Aluminum–LDPE Plastic Waste Mulyaningsih, Nani; Hastuti, Sri; Izzul, Hanafi; Tri, Bagas
Jurnal Rekayasa Mesin Vol. 21 No. 1 (2026): Volume 21, Nomor 1, April 2026
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v21i1.7354

Abstract

The growing demand for sustainable construction materials has encouraged research on the utilization of multilayer aluminum plastic waste and low-density polyethylene (LDPE) waste as substitution materials in the production of paving blocks. This study emphasizes abrasion resistance as a key indicator of paving block quality. The waste materials were processed through melting and subsequently blended with fine aggregates of sand and combustion ash in varying compositions. The abrasion resistance value obtained was 0.0771 mm/min, which corresponded to the Class B quality standard as specified in SNI 03-0691-1996. The results demonstrate that incorporating multilayer aluminum plastic and LDPE waste at a proportion of 65% enhances the abrasion resistance of paving blocks compared to conventional ones. This improvement is attributed to the plasticity of LDPE, which increases flexibility and reduces microcracking, as well as the contribution of aluminum layers that provide greater resistance to friction. Further analysis suggests that paving blocks incorporating multilayer aluminum plastic and LDPE waste are suitable for use in residential roads, village pathways, and office yards subject to moderate vehicle traffic. These findings support the notion that integrating multilayer aluminum plastic waste into construction materials not only improves the technical performance of the product but also offers a strategic solution to reduce the accumulation of non-biodegradable waste.
The Effect of Clay Tile Particle Addition on the Flame Retardancy and Impact Toughness of Ramie Fiber-Reinforced Polypropylene Composites Gibrail, Muhammad; Hastuti, Sri; Listyanda, R. Faiz; Saputra, Eko; Nugroho, Wahyu; Putri, Farika Tono; Indrawati, Ragil Tri; Salahudin, Xander
Jurnal Rekayasa Mesin Vol. 21 No. 1 (2026): Volume 21, Nomor 1, April 2026
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v21i1.7458

Abstract

Environmental concerns regarding polypropylene (PP) plastic waste have driven the demand for more sustainable alternative materials through composite development. This study aims to analyze the effect of adding Sokka roof tile particles as a filler on the flame retardancy and impact toughness of ramie fiber-reinforced composites. The composite materials utilize a polypropylene matrix, ramie fiber reinforcement, and Sokka roof tile particles as filler with concentration variations of 2%, 4%, and 6%. The results demonstrate that increasing the filler volume significantly improves the material's flame-retardant properties, with the 6% variation achieving the best thermal performance and the lowest burn rate of 214.27 mm/min. However, in terms of mechanical properties, a decline in impact toughness was observed as the filler content increased; the average energy absorption dropped from 1.075 Joules at 2% concentration to 0.735 Joules at 6%, which is consistent with the decrease in impact strength from 0.0364 J/mm² to 0.0204 J/mm². This phenomenon indicates that while inorganic particles effectively serve as a thermal barrier, excessively high concentrations increase material brittleness, thereby reducing the impact energy absorption capacity. In conclusion, a 6% concentration of Sokka roof tile particles is recommended for applications prioritizing fire safety, while considering the compromise in mechanical strength.
Co-Authors Abd Hamid Abdul Latief Abeng, Andi Tenri Abu Masykur Afina, Afina Ahlun Ansar Ahmad Dahlan Ahmad Restani Syukron Thayyib Ainni, Anandhiska Arla Nur Alfabetian Harjuno Condro Haditomo Alya, Nur Alya Fadilla Ismail Andika Saputra Anggraeni, Devi Putri Annisa Andriyani Ansar Ansar Anwar, Andi Ratu ayuashari Ari Kuncara Widagdo Asiyah, Dewi Atmanto Heru Wibowo Auliadi, Diwa Lingga Ayu Dita, Diana Azhari, Fadhlan Aziz, Nurul Bintoro, Sefrian Rizki Boy Arya Sadewa Bramono Pandu Cahyaningtyas, Annisa Putri Candra Purnawan Catur Pramono Ciptaningtyas, Ciptaningtyas Dadieng Kurniawan Danang Wisnu Wardana Daroini, Ahsin Darsono, Febri Budi Dekki Umamur Ra’is Desiana Desiana, Desiana Dewi Nurhayati Dewi, Meirisa Isdiana Diana Chilmawati Djihadah, Nurhayati Doddy Setiawan Doni Edhy Susatya, Edhy Edi Waluyo Eko Saputra Endah Puji Lestari Etta Teguh Hermawan Fachri, Fandi Faisyal Faisal hakim Fajar Basuki Fakhrurriza Falah, Azril Hanif Fathur Rochman, Fathur Fiqri, Aidil Fitria Endah Fitriana, Dina Fuad Hilmy Gibrail, Muhammad Gita Irawanda Hadi, Johanes De Brito Firstian Hamdan Faozi Hary Soedarto Harjono Hasan Hasanah, Siti Roudotul Hassany, Ibnu Rosyid Al HB, Lukman Heriyanto Heriyanto Heryadi, Yadi Hujiroh, Shofa Ibnu Rosyid Ridwana Ichwantoro, Muhammad Rizky Iftitah, Siti Nurul Imran Imran Indrawati, Ragil Tri Irawanda, Gita Irfani, Hasna Haifa Ismail, Pitrah Rapi Izzul, Hanafi Jefry Prabowo khoerunnisa, Vina Khusna, Kunti Nafingatul Kr. J. Tompong, By Tri Agung Nusantara Kunti Sunaryo KURNIAWATI, YUYUN Kusharyanti Kusharyanti Kusharyanti Lili Handayani Lili Handayani Listyanda, R. Faiz Mahdi, Jausyan Al Mahrun, Pebri Akhrus Maryanti, Siti Nur Mendrofa, Meliana Mintarti, Ari Mudha Rochmatillah Muhammad Ivan Ardiansyah Mukhtar, Wildan Rasyid Mulyawan, Yandi Munggaran, Rangga Murni Mahmud Nani dkk. Mulyaningsih Nilmawati Nilmawati Ningrum, Listya Nirwana, Nirwana Noto Pamungkas Nurdin, Akhmad Nurhadi Nurhadi Nurma Handayani, Nurma Nurmalasari, Putri Nurul Annisa R Nuzula, Rifania Aura Pamungkas, Deni Paundra, Fajar Ponty S.P. Hutama Prabowo, Jefry Pramusinta, Mahesti Prasetio, Januar Eko Priyanto Priyanto Priyo Utomo Adi Nugroho Purnawati, Elisa Purwanto Putri, Adenna Hendy Cassie Putri, Aurellia Zaini Sya'bania Putri, Ericha Dwi Wahyu Syah Putri, Farika Tono R. Eliver, Eirnest Dave Son Rasyid, Syarifuddin Ratna Aulia Puspita Sari RATNASARI, DINE TRIO Retno Yulianti Retno Yulianti Ridwan Afandi Ridzal, Nining Asniar Ristiawan Agung Nugroho Rizki Dwi Ardika Rudi Haryadi, Rudi Safitra, Mohamad Nanda saputra, fajar Saputra, Raka Gilang Sintawati, Buni Fitria Siti Nuraliah, Siti Sitti Habibah Slamet Budi Prayitno Sri Suhermiyati Sri Suryaningsum Suanto Sukardi Weda, Sukardi Sumarliani, Sri Sumarlin Mus Sundari, Jualian Suratno, Eko Susanti, Reny Sutoyo Sutoyo Suyitno Taufik, Ikhwan Teguh Endah Saraswati Thayyib, Ahmad Restani Syukran Thayyib, Ahmad Restani Syukron Tri Gunawan, Tri Tri, Bagas Tristiana Yuniarti Triwinasis, Triwinasis Veithzal Rivai Zainal W, Wahyudi Wahira Wahira Wahyu Isti Nugroho Wahyu Nugroho Wahyu Redi Eka Saputra Wahyuanto, Eko Wardhani, Nova Ariska Kusuma Wibowo, Rheza Ari Widiastuti, Sri Wahyuni Widodo, JDT Widodo, Joehananto D.T Widodo, Joehananto Djoko Teguh Wijayanti, Tri Cicik Wimaputri, Oktawira Winata, Widya Windyastuti Windyastuti Xander Salahudin Yeni Tata Rini Yosar Haritsar Yudha, Noval Fitra Yuvita Oktarisa, Yuvita Zakaria, Dinda Karunia Putri Zalfa Arridwan Zuhaery, Muhammad Zuhrotun, Zuhrotun