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All Journal Community Research and Application Journal (CRAJ)
Hartono
Universitas Islam Negeri Walisongo Semarang
Environmental Science Social Sciences

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Innovative blood sugar monitoring in Karonsih, Semarang: Bridging comfort and accuracy Hartono; Affa Ardhi Saputri; Sheilla Rully Anggita; Susilawati; Qisthi Fariyani; Jasuri; Ice Uliya Sari
Community Research and Application Journal (CRAJ) Vol. 1 No. 1 (2024): December
Publisher : Konsorsium Pengetahuan Innoscientia (KOPINNOS)

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This community service activity aimed to promote health awareness by measuring blood sugar levels among residents of Karonsih, Semarang, using both invasive and non-invasive methods. The project, led by the Physics Department of Universitas Islam Negeri Walisongo in collaboration with the Ngabdi Neliteni Ngabekti (N3) community organization, provided free blood sugar screenings to 19 residents, two of whom showed elevated blood sugar levels and received feedback on lifestyle modifications to help maintain healthy glucose levels. The non-invasive prototype blood sugar monitoring device used in this study showed an average error rate of 47.08% compared to standard invasive measurements, suggesting areas for improvement in accuracy. However, the resident's enthusiasm and the device's environmental benefits indicate the potential for further development. This project underlines the importance of community health education and highlights the role of innovative technology in creating accessible and sustainable health monitoring solutions.
Empowering Academic Excellence: Pre-National Science Olympiad Training for Elementary and Junior High School Students Istikomah; Sheilla Rully Anggita; Hartono; Fadhillah; Siti Nurfadhillah Murtado
Community Research and Application Journal (CRAJ) Vol. 1 No. 2 (2025): June
Publisher : Konsorsium Pengetahuan Innoscientia (KOPINNOS)

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This community service activity aimed to enhance students' academic competency and preparedness for the National Science Olympiad (OSN) 2023 in Mathematics and Natural Sciences at elementary and junior high school levels. The program, organized by the Physics Department of Universitas Islam Negeri Walisongo Semarang in collaboration with the Association of Madrasah Science Enthusiasts (Perkumpulan Pegiat Sains Madrasah), was conducted online via Zoom Meeting. The training covered eight comprehensive sessions including Kinematics and Mechanics, Forces, Rotational Dynamics, Oscillations and Waves, Electricity and Magnetism, Solar System, Optics, and Temperature and Heat, along with two simulation sessions. Despite challenges such as network connectivity issues and varying participant readiness levels, the program successfully provided intensive coaching to OSN participants and their supervising teachers from elementary (SD/MI) and junior high school (SMP/MTs) levels. This initiative demonstrates the importance of systematic academic preparation and highlights the role of higher education institutions in supporting K-12 education excellence through collaborative mentoring programs.
Community-Based Health Screening: Assessment of Oxygen Saturation (SpO2), Heart Rate, and Body Temperature in RT 005 RW IV, Kelurahan Gondoriyo, Ngaliyan, Semarang Affa Ardhi Saputri; Susilawati; Hartono; Istikomah; Yeni Rossa Damayanti; Milta Bima Say Putri
Community Research and Application Journal (CRAJ) Vol. 2 No. 2 (2026): June
Publisher : Konsorsium Pengetahuan Innoscientia (KOPINNOS)

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Vital signs, namely oxygen saturation (SpO₂), heart rate (HR), and body temperature, are fundamental physiological indicators of overall health status. Their periodic monitoring in the general population supports early identification of oxygenation disorders, cardiovascular conditions, and infection or inflammation before these progress to more serious conditions. This research-based community service activity carried out a free vital-sign screening for residents of RT 005 RW IV, Kelurahan Gondoriyo, Ngaliyan, Semarang, on 28 June 2026, using a pulse oximeter for SpO₂ and HR and a non-contact infrared thermometer for body temperature. Twenty community members were screened, with duplicate SpO₂ and HR measurements taken for each participant; the second reading of each was used as the analysis reference after the first-attempt readings were assessed as reflecting an initial probe signal-stabilization phase. Results showed a mean SpO₂ of 96.8% (range 79–100%), with 90% (18 of 20 participants) within the normal range (≥95%) and one participant showing severe hypoxemia (79%) requiring urgent referral. Mean HR was 59.2 beats per minute (range 35–100), with only 35% (7 of 20) within the standard resting range of 60–100 bpm; two participants showed severe bradycardia (35 and 37 bpm) requiring immediate electrocardiographic evaluation. Mean body temperature was 35.65°C (range 34.5–36.3°C), a pattern consistent with the known sensitivity of non-contact infrared thermometry to outdoor ambient conditions. The activity produced individualized referral recommendations for participants with critical findings and supports periodic, six-monthly community vital-sign screening, particularly for residents above 40 years of age.
Co-Authors Affa Ardhi Saputri Fadhillah Fariyani, Qisthi Ice Uliya Sari Istikomah Jasuri Milta Bima Say Putri Sheilla Rully Anggita Siti Nurfadhillah Murtado Susilawati Yeni Rossa Damayanti