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Latar Belakang:Dehidrasi dapat menurunkan daya tahan fisik dan mengganggu fungsi tubuh. Aktivitas fisik yang tinggi pada siswa berisiko menyebabkan dehidrasi, terutama jika pengetahuan tentang pencegahan dan penanganannya masih rendah. Edukasi mengenai manajemen dehidrasi penting dilakukan agar siswa mampu mencegah dan menangani dehidrasi dengan tepat. Kegiatan pengabdian masyarakat ini bertujuan untuk meningkatkan pengetahuan siswa mengenai dehidrasi dan manajemen dehidrasi melalui sosialisasi edukatif. Metode: Peserta yang dipilih dalam kegiatan ini adalah siswa SMA Negeri 1 Martapura sebanyak 37 orang. Metode pelaksanaannya meliputi tahap persiapan, pelaksanaan, dan evaluasi, dengan pendekatan penyuluhan interaktif serta penggunaan website “TERHIDRASI” sebagai alat bantu deteksi status hidrasi. Penilaian pengetahuan dilakukan melalui pretest dan posttest untuk mengukur peningkatan pemahaman siswa setelah sosialisasi. Hasil: Hasil kegiatan menunjukkan terdapat peningkatan signifikan pengetahuan siswa mengenai pengertian, tanda, dampak, dan pencegahan dehidrasi setelah dilakukan edukasi, dengan proporsi pengetahuan baik meningkat dari 64,9% menjadi 81,1%. Sosialisasi edukatif terbukti efektif dalam meningkatkan pemahaman dan kesadaran siswa tentang pentingnya menjaga hidrasi tubuh. Simpulan: Kegiatan ini merekomendasikan agar sosialisasi mengenai manajemen dehidrasi terus dilakukan secara berkelanjutan di lingkungan sekolah, disertai pembiasaan membawa air minum sendiri dan penyediaan fasilitas isi ulang air minum oleh pihak sekolah untuk mendukung perilaku hidrasi sehat siswa.   Kata kunci: manajemen, dehidrasi, prototype, remaja

Biodiversity is essentially a reflection of the number of species and individuals inhabiting a community, as seen in the Pteridophyta group. These plants, which have evolved to have differentiated roots, stems, and leaves, play an important role in forest systems, primarily as protectors of the soil surface from the effects of erosion, in addition to contributing to the decomposition of organic matter that produces nutrients, and being a major part of the producer chain in the trophic structure. The Jaboi hot spring area, located in the Sukajaya District of Sabang City, exhibits unique ecological characteristics, influenced by the presence of the Jaboi volcano, which gives rise to geothermal phenomena such as fumarole activity, hot steam emissions, and the emergence of high-temperature water flows. This geothermal dynamic directly causes alterations in the physical and chemical conditions of the local soil, thereby shaping habitat characteristics and influencing the existence of vegetation, including ferns. To date, there is little scientific information available on the diversity of ferns in this area. Therefore, this study was conducted to examine and measure the diversity of ferns in the Jaboi hot spring area. The study was conducted in October 2025 using an exploratory survey approach to determine plots and purposive sampling techniques for field data collection. Diversity analysis was based on the Shannon-Wiener index (Ĥ) formula. Based on the identification results, 15 species of ferns from a total of 6 families and 433 individuals were found. The diversity index obtained (Ĥ=2.490171) indicates a moderate level.

This study aims to analyze the level of flood hazard in Baturaja Barat District, Ogan Komering Ulu Regency, by applying a spatial approach using Geographic Information Systems (GIS) through the overlay method. The analysis was carried out by integrating six main physical parameters, namely rainfall, land use, elevation, slope, river density, and soil type. Each parameter was assigned a score and weight according to its influence on flood potential and subsequently processed spatially to produce a flood hazard map. The results indicate that the Baturaja Barat District area is classified into three hazard levels: low (3.25%), moderate (70.64%), and high (25.84%). Areas with high hazard levels are predominantly characterized by densely populated settlements situated at low elevations and in close proximity to river networks, particularly in Tanjung Karang, Air Gading, Talang Jawa, Karang Agung, and surrounding villages. These findings highlight that land-use changes, topographic conditions, and the distribution of river networks play significant roles in increasing flood risk. The results of this study are expected to serve as a foundation for spatial planning, the strengthening of disaster mitigation policies, and the enhancement of community preparedness against flood hazards in the region.

This community service activity aims to introduce and train students in the process of making AromaKara, a natural air freshener made from kitchen spices as a substitute for artificial fragrances containing volatile organic compounds (VOCs). The method applied in this community service activity is the Participatory Action Research (PAR) method, namely training and direct instruction which was carried out on Thursday, November 20, 2025, at 07.00 WIB at MTsN 1 Palangka Raya City, with a focus on 32 students in grades 8-1. The results of this activity showed an increase in students' understanding of the risks of using synthetic fragrances, the benefits of using natural ingredients, and environmental awareness. Students were also able to make Aromakara products independently and showed high interest during the activity. This training played a role in strengthening students' environmental literacy, scientific literacy, and entrepreneurial interests. Overall, this community service activity demonstrated the effectiveness of experiential learning in the MBKM program and the potential for sustainable development within the school environment.

Air pollution and damage to the earth are central world problems and are threats that will occur if humans continue to cause damage to this earth. Pollution on earth is very clear is the increasing amount of organic and non-organic waste, in activities to meet the needs of society, the end result is waste, both waste generated from the needs of clothing, food and shelter, if not handled properly and correctly will threaten the survival of society and threaten the ecology in the world, Organic and non-organic waste must be handled with good management. Management as a tool for organizational management in a society is expected to play an important role in providing education and understanding to the community about the impacts and dangers caused by the increase in waste due to human activities, so that it can strengthen the culture and ethics of society in managing waste so that it will increase the creative abilities of society, creativity, taste and intention in managing waste. The type of research conducted by the author is included in the category of qualitative research literature study method researchers to collect and evaluate information from various previous studies, thus providing a comprehensive understanding of the subject under study.

This community service program aimed to enhance students’ knowledge and awareness regarding the use of natural ingredients in producing lavender-scented air freshener gel as a safe and environmentally friendly alternative. The activity employed an educational outreach approach, combining material presentations, video demonstrations, and direct observation of product samples. The program engaged 32 eighth-grade students at MTsN 1 Palangka Raya. Through these activities, students learned about the various natural ingredients used in the gel, the functional properties of each ingredient, and the environmental and health benefits of lavender aromatherapy. The results of the program indicated significant improvements in students’ understanding of gel production concepts and their ability to identify the characteristics of the products during observation. Students showed high enthusiasm for using natural ingredients in household products, which also contributed to enhancing their environmental literacy. Furthermore, the program provided MBKM students with valuable experience in delivering applied science education. The success of this program not only fostered students' awareness of sustainable practices but also provided an engaging learning experience. Based on the positive outcomes observed, the program is recommended for replication in other schools, with the addition of hands-on practice sessions to further reinforce the concepts learned.

Beton sebagai material utama konstruksi sering mengalami panas hidrasi yang menyebabkan perbedaan suhu permukaan dengan suhu inti, akan berpotensi retak dini dan penurunan kuat tekan. Penelitian ini menganalisis potensi air es dan fly ash 10% substitusi semen untuk memperkecil suhu beton mutu 35 MPa dengan aditif tipe D (retarder) dan F (superplasticizer), serta pengaruhnya terhadap kuat tekan. Metode deskriptif menggunakan data sekunder mix design tiga variasi: non fly ash, fly ash 10% dan fly ash 10%+air es 10°C. Suhu beton segar diukur dengan thermogun/thermometer lalu kuat tekan uji silinder diameter 150x300 mm umur 7 hari dan 28 hari dengan total 18 benda uji. Hasil menunjukkan suhu beton segar non fly ash berada pada rentang normal, beton fly ash 10% turun 1-2°C (reaksi pozzolanik lambat yang mengurangi panas hidrasi dari C2S, C3S, dan C3A), beton fly ash 10% + air es turun 5-6°C. Kuat tekan 7 hari menunjukkan beton non fly ash 33,69 MPa, beton fly ash 10% 34,14 MPa, beton fly ash 10%+air es 34,73 MPa. Pada umur 28 hari menunjukkan beton non fly ash 39,73 MPa, beton fly ash 10% 39,80 MPa, dan beton fly ash 10%+air es 39,65 MPa – semua melebihi mutu rencana.

This study aims to examine the contribution of business ethics and the implementation of Corporate Social Responsibility (CSR) to the business sustainability of the Micro, Small, and Medium Enterprise (MSME) Depot Air Barokah in Medan City. Using a case study approach, the research explores how ethical practices in service, honesty in product quality, and social concern for the environment and surrounding community can build consumer trust and enhance business competitiveness. These ethical and social dimensions are seen as essential components in sustaining long-term business operations, especially in competitive markets. Data were collected through interviews, direct observations, and supporting documentation, and were analyzed using a descriptive qualitative method to provide a comprehensive understanding of the enterprise's practices. The results indicate that the application of ethical and socially responsible business practices has a positive impact on customer loyalty, brand image, and the operational sustainability of Depot Air Barokah. Therefore, MSMEs that consistently uphold business ethics and implement CSR not only achieve economic benefits but also foster harmonious relationships with consumers, stakeholders, and the broader community.

PAMTIRTA Tempino is an institution that provides clean water services in the Tempino area. The process of recording water use and monitoring water turbidity is still done manually, making it prone to recording errors and making it difficult to monitor the water quality distributed to the community. This study aims to design a website-based water turbidity recording and monitoring system by focusing on User Interface (UI) and User Experience (UX) aspects using the Design Thinking method. The research follows five stages of Design Thinking: empathize, define, ideate, prototype, and test. Data collection involves observation and in-depth interviews with PAMTIRTA officers. The results include a design with key features such as digital water meter recording, turbidity monitoring dashboards, and complaint services. The prototype was tested using Maze and the System Usability Scale (SUS), achieving a score of 80.1 and falling into the "Good" category (grade B). These results demonstrate that the UI/UX design effectively provides an easy-to-understand, operationally suitable, and efficient solution for PAMTIRTA Tempino's water recording and turbidity monitoring needs. This design offers a ready-to-implement solution to improve the efficiency, accuracy, and quality of clean water services in the Tempino area.  

The main problem with the water heating system on offshore platforms is the absence of water level monitoring and automatic overflow detection. This has the potential to cause hot water spills that endanger workplace safety and operational efficiency. This research designs and implements a water level monitoring system based on the Arduino Uno microcontroller with HC-SR04 ultrasonic sensors. The system is equipped with LED indicators, a buzzer alarm, and a 16x2 LCD to display water level status in real-time. Water levels are classified into three zones (low, medium, high), and overflow is detected if the water is within 3 cm of the sensor. Testing was conducted on a 5-liter simulation tank representing actual 500-liter tank conditions. Test results showed a reading accuracy of 96% and a quick system response to overflow conditions (<1 second). This system is economical, easy to develop, and highly applicable for offshore environments. In addition, this system can be integrated with IoT technology for remote monitoring.

Organic waste management at Yogyakarta International Airport (YIA) is still not optimal, even though organic waste production averages 1,264 kg per month. This community service activity aims to develop technological innovations through the utilization of eggshell waste and Black Soldier Fly (BSF) maggots into economically valuable pellet feed products. The activity was carried out from October 8 to 15, 2025, involving three workers from the Temporary Processing Site (TPS) of PT Angkasa Pura Indonesia YIA. The implementation methods included an initial survey, education, demonstration of pellet production, and evaluation of participants' skills and product quality. The production process involved drying, grinding the ingredients, mixing the ingredients, molding, and drying the pellets. The results showed that the workers were able to independently carry out the production process and produce pellets with good physical quality. Cost analysis showed that the cost of production was IDR 47,989/kg, with a potential profit margin of 30% and an estimated return on investment within ±7 months. This innovation has proven effective in reducing waste volume, increasing the added value of organic waste, and supporting the principles of zero waste and circular economy in the airport area. This program has the potential to be further developed as a model for sustainable organic waste management.

Wanita memiliki banyak masalah  pada  area  vagina.  Kebanyakan  kasus  yang  terjadi  adalah  keputihan.  Keputihan  atau  dalam bahasa  medis  disebut  dengan  flour  albus  merupakan  keluarnya  cairan  yang  berlebihan  dari vagina  yang  bukan  darah  haid. Pengobatan  keputihan  non  farmakologis  dapat  dilakukan  dengan  perubahan  tingkah  laku  personal  hygiene,  psikologis,  serta menggunakan daun sirih. Daun sirih telah terbukti secara ilmiah dapat menghambat pertumbuhan Candida albicans pada berbagai konsentrasi (20-100%).  Berdasarkan  data  yang  didapat  di  Desa Majungan Kecamatan Pademawu kabupaten Pamekasan  pada  tanggal  18  Juli  2025  terdapat remaja usia reproduktif yang mengalami keputihan sejumlah 8 orang, rata –rata usia 18-22 tahun. Berdasarkan data yang didapat di Desa Majungan Kecamatan Pademawu Kabupaten Pamekasan pada tanggal 18 Juli 2025 terdapat remaja usia reproduktif yang mengalami keputihan sejumlah 8 orang dari 35 remaja lainnya,  rata –rata  usia  18-22  tahun  wanita  usia  reproduktif  di  Desa Majungan Kecamatan Pademawu Kabupaten Pamekasan ini belum pernah mengetahui banyak manfaat pada daun sirih hijau, sehingga tim  pengabdian  kepada  Masyarakat  tertarik  untuk  melakukan  Pendidikan  Kesehatan dalam  bentuk  penyuluhan  terkait  manfaat  air  rebusan  daun  sirih  terhadap  fluor  albus pada wanita usia reproduktif di Desa Majungan Kecamatan Pademawu.

This study discusses allegations of abuse of dominant position by Lion Air Group in the domestic aviation market and air cargo services in Indonesia. By controlling more than 50% of the market share, the group is suspected of unilaterally setting ticket prices and logistics costs, which could hinder healthy business competition and harm consumers and competing airlines. This study uses a normative juridical approach with a descriptive qualitative analysis method, supported by secondary data from legislation, KPPU reports, and academic literature related to competition law. The study's findings indicate that the concentrated market structure and weak regulatory oversight contribute to the formation of dominant behavior that harms the market and consumers. Legally, such actions violate Article 25 of Law Number 5 of 1999, as they result in discriminatory practices and unreasonable price control. Synergy between the KPPU and the Ministry of Transportation is needed to strengthen regulations in the aviation sector in order to create a business climate that is more fair, competitive, and oriented towards public welfare.

Bloating in infants can also accompany other digestive disorders, such as vomiting, diarrhea, abdominal pain, and constipation. Babies with gas often vomit easily. Babies with diarrhea will have low potassium levels, resulting in bloating. One benefit of infant massage is addressing complaints of bloating and colic in infants. Tummy massage is a gentle abdominal massage designed to encourage trapped air to move. The goal is to move gas and other materials from the intestines to the large intestine. The method used was preparation through coordination with midwives and cadres in Selokerto Village, Sempor District, Kebumen Regency. The activity was implemented through lectures and tummy massage simulations. While evaluation and follow-up plans for the activity were carried out by evaluating the knowledge of mothers of toddlers and can be implemented independently using leaflets distributed to mothers of toddlers. The number of respondents in this activity was 10 mothers of toddlers. The activity went smoothly, all mothers enthusiastically participated in the activity. Respondents were aged between 20-34 years. The level of knowledge of respondents before the activity was that most had sufficient knowledge about bloating/colic in toddlers and tummy massage. Meanwhile, after the knowledge activity, most responded well. Conclusion: The community service activity was effective in increasing respondents' knowledge about gas/colic in toddlers and tummy massage.

This study aims to determine the effect of price and promotion on purchasing decisions for Aguen brand Bottled Drinking Water (AMDK). The method used is quantitative descriptive research with SPSS 26 analysis of 96 respondents. The results of the study indicate that the price variable (X1) has a significant effect on purchasing decisions (Y), with a calculated t value of 9.360 and significance (0.00<0.05). Likewise, the promotion variable (X2) has a significant effect on purchasing decisions (Y) with a calculated t value of 6.085 and significance (0.00<0.05). Simultaneously, price (X1) and promotion (X2) also have a significant effect on purchasing decisions (Y), with a calculated F value of 107.470 and significance (0.00<0.05). The coefficient of determination (R²) value of 0.698 indicates that 69.8% of the variation in purchasing decisions can be explained by price and promotion factors, while the remaining 30.2% is influenced by other factors not examined in this study.

Beton merupakan material utama konstruksi yang masih memiliki kelemahan pada kuat tekan dan permeabilitas. Inovasi dengan penambahan Superplasticizer diharapkan mampu meningkatkan kualitas beton. Permasalahan penelitian ini adalah bagaimana pengaruh variasi dosis Superplasticizer (1%, 1,5%, dan 2% dari berat semen) terhadap kuat tekan dan permeabilitas beton dibandingkan beton normal. Penelitian ini menggunakan metode eksperimen dengan membuat 48 sampel beton silinder dan kubus yang diuji kuat tekan pada umur 7, 14, dan 28 hari serta permeabilitas pada umur 28 hari. Hasil penelitian menunjukkan bahwa penambahan Superplasticizer mampu meningkatkan kuat tekan dan menurunkan permeabilitas, sehingga dapat menghasilkan beton yang lebih kuat, kedap air, dan tahan lama.

Profil baja IWF (Instrument Wide Flange) merupakan elemen struktur yang banyak digunakan pada bangunan industri karena kemudahan dalam pemasangan dan fleksibilitasnya. Namun, kondisi lingkungan ekstrem seperti genangan air dengan pH asam maupun basa dapat mempercepat proses demineralisasi (korosi) pada baja. Penelitian ini bertujuan untuk mengidentifikasi laju kehilangan unsur Fe dari profil baja IWF akibat perendaman dalam larutan dengan pH ekstrem, serta menyusun model matematis yang menggambarkan proses demineralisasi. Metode yang digunakan adalah uji laboratorium dengan perendaman potongan baja dalam larutan pH 4, 7, dan 10 selama 72 jam, dilanjutkan dengan uji TDS, ORP, dan morfologi. Hasil menunjukkan bahwa pada pH 4, terjadi demineralisasi Fe tertinggi sebesar 16,167 mg dengan rata-rata ORP sebesar 195,5 mV dan TDS 732,55 ppm. Berdasarkan data tersebut, dibentuk model matematis diferensial untuk memprediksi laju demineralisasi. Disarankan penggunaan pelapis (coating) yang sesuai untuk meningkatkan umur pakai struktur baja.

This study aims to describe and analyze the influence of the online attendance application (Sisensi) on employee productivity through employee discipline in the production division of Perumda Air Minum Tirta Mayang, Jambi City. The method used is quantitative analysis with a population of employees and a sample of 94 respondents. Data were collected using a Likert scale–based questionnaire, and the analysis was conducted using the Structural Equation Modeling (SEM) technique based on Partial Least Squares (PLS) with the aid of SmartPLS 4 software. The results of the study show that: (1) the online attendance application has a positive and significant effect on employee productivity, (2) the online attendance application has a positive and significant effect on employee discipline, (3) employee discipline has a positive and significant effect on employee productivity, and (4) employee discipline is able to mediate the effect of the online attendance application on employee productivity. The recommendations derived from this study are as follows: For the employee productivity variable, it is suggested that the company provide relevant and continuous training, establish clear and easily understood Standard Operating Procedures (SOP), and conduct regular mentoring and evaluations to increase the amount of work that employees can complete. For the online attendance application variable, the company is advised to enhance the practicality and ease of use of the application, enabling employees to better understand and utilize the system. For the employee discipline variable, the company should conduct regular socialization sessions regarding the proper use of facilities and resources according to established standards to prevent damage, excessive use, and misuse.    

This study aims to analyze the effectiveness of natural resource management, particularly water and soil, in increasing agricultural production in Sampali Village, Percut Sei Tuan District, Deli Serdang Regency. The research approach used was descriptive qualitative through field observations, in-depth interviews with farmers and village officials, and documentation studies from relevant agencies. The results indicate that the irrigation system in Sampali Village is not operating effectively, characterized by shallowing of canals, damaged irrigation walls, and blockages that cause uneven water distribution. This condition has a significant impact on crop yields, with a difference in production between upstream and downstream areas reaching 1.9 tons/ha. Furthermore, soil quality has also declined due to the excessive use of chemical fertilizers, as indicated by a soil pH that tends to be acidic (5.4–6.0), low organic matter content (1.2–1.8%), and decreased soil biological activity. Factors influencing the effectiveness of water and soil management include technical, environmental, socio-economic, and institutional aspects. This study concludes that natural resource management in Sampali Village is still suboptimal, necessitating improvements to irrigation infrastructure, increased use of organic fertilizers, and institutional strengthening and farmer mentoring. These efforts are expected to support sustainable agricultural productivity gains.  

Development in Banten Province has created conflict in development due to the dominance of a minimalist modern science approach, which prioritizes economic growth while ignoring environmental carrying capacity and socio-cultural values. As a result, Banten faces a serious environmental crisis, as evidenced by high emissions of air pollutants (PM2.5, SO2) and river water pollution by industrial waste. This study aims to analyze the negative impacts of this disorganized model and propose a comprehensive solution framework. This study formulates the Holistic Development Model (HDM). The HDM is a transformative solution that synergistically integrates three pillars: Modern Science (providing technology and data), the Ecosystem Approach (providing a systemic framework and nature-based solutions), and Local Cultural Values ​​(forming the basis of ethics and social motivation) through a Systematic Literature Review and Conceptual-Case Analysis. The implementation of MPH in case studies such as Integrated Coastal Management and Integrated Agriculture demonstrates that this integration produces high-yielding, equitable, and sustainable systems. In conclusion, MPH is a crucial strategy for Banten to shift from destructive development to equitable, resilient, and locally rooted development, making ecosystem health a key measure of success.