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Mastery of the ChemDraw application is an important skill for chemistry students in supporting academic activities, especially in drawing chemical structures and reactions. However, not all students have the opportunity to learn this application formally. This service activity aims to provide training in the use of ChemDraw online to chemistry students by utilizing digital media. The implementation method includes an interactive workshop approach through Zoom, Google Meet, and social media as a means of disseminating information and documentation. The results showed that the training was effective in improving participants' understanding and skills in using ChemDraw. Digital media proved to be an efficient and flexible tool for training computer-based applications. This activity supports the improvement of students' digital literacy and 21st century skills.

This research applies the Lean UX approach in redesigning the Mitra Mapan Mulia website with the purpose of enhancing user experience. The Lean UX method is used as a responsive and efficient approach to designing solutions that are more user-focused. Data was collect using interview, literature study and observation methods. The research subjects were state-owned companies and MSMEs. The results showed that there was an improvement in user experience, with performance parameters including navigation time, information clarity, and engagement level. Evaluation results from users involved in prototype testing showed a positive response to design changes, and the use of Lean UX methods provided advantages in accelerating the design process and increasing user satisfaction. This research contributes to the practical understanding and effectiveness of Lean UX in the context of website redesign to achieve the goal of improving user experience

Mental health issues such as depression, anxiety, and stress continue to increase globally and are recognized as critical factors that influence social functioning, productivity, and overall quality of life. Conventional mental health services are often limited by barriers including high cost, geographical distance, and persistent stigma that discourage individuals from seeking timely help. The digital era provides an alternative through the integration of technology into mental health counseling, offering greater accessibility, flexibility, and anonymity. Nevertheless, a key limitation of many digital counseling platforms lies in their inability to fully capture and respond to the emotional nuances of users during interactions. This study aims to address that gap by developing a speech-based emotion detection framework designed to be integrated into digital counseling environments. The proposed methodology includes the collection and preprocessing of speech samples, feature extraction using acoustic parameters, and training machine learning models to classify emotions in real time. Experimental results demonstrate that this approach significantly improves the accuracy of emotion detection, enabling digital counseling systems to provide more adaptive and personalized support. Beyond counseling, the research highlights the broader applicability of speech emotion recognition in education, telemedicine, and interactive digital assistants, all of which benefit from improved sensitivity to human emotions. These findings underscore the potential of artificial intelligence to strengthen digital mental health interventions, ensuring services that are not only more efficient and inclusive but also capable of fostering long-term emotional well-being in diverse populations.

The development of vaccines for tropical viruses such as dengue and Zika presents a significant challenge in global health. These viruses not only cause serious health complications but also impact health systems and economies in tropical countries. CRISPR/Cas9 technology offers an innovative solution to accelerate vaccine development by enabling precise gene editing. This study aims to explore the potential of CRISPR in accelerating the design and production of vaccines for tropical viruses. The method used in this study is a laboratory-based experimental design involving genetic engineering, with dengue and Zika virus genome models. The first step involves identifying virus target genes using the CRISPR/Cas9 system, which allows the detection of specific genes involved in pathogenesis and immune responses. Subsequently, genetic constructs are designed to generate vaccine candidates that can efficiently and precisely target pathogens. The resulting vaccines are tested in vitro in cell cultures to observe immune responses and their effectiveness against virus infections. The results show that CRISPR not only accelerates the process of identifying and engineering vaccine genes but also significantly improves vaccine production efficiency. CRISPR-based vaccines demonstrate higher immunogenicity compared to conventional methods, thus holding potential as the foundation for developing faster and safer next-generation vaccines. However, this study also identifies challenges related to off-target effects and the efficient delivery of CRISPR components, which require further research to ensure safety and efficacy in human clinical applications.

This study aims to analyse the quality of public services in Kelurahan Blabak using the SERVQUAL dimensions, so as to provide a comprehensive picture of the level of community satisfaction and provide input for improving service quality in the future. This research uses descriptive qualitative method to analyse the quality of public services in Blabak Village, Kediri City, based on the five dimensions of SERVQUAL. Data were collected through interviews, observations, and documentation, then analysed using interactive analysis with triangulation for data validity. The results showed that public services in Blabak Village, Kediri City, showed a fairly good quality based on the five dimensions of SERVQUAL. In terms of tangibles, facilities such as computers, printers, and internet networks are well available. However, limited space and seating are still an obstacle in providing comfort for the community. In reliability, administrative services, especially the processing of population documents, run quite reliably, especially with the presence of the SAKTI application which facilitates online processing and reduces queues. The responsiveness dimension is reflected in the readiness of officers to serve and respond to the needs of the community, although sometimes it is still constrained by technical problems such as internet networks. In the assurance dimension, people feel safe because the officers show a friendly and professional attitude, in accordance with the motto ‘Salam, Sapa, Senyum,’ which creates a warm and pleasant service atmosphere. Meanwhile, empathy can be seen from the officers' concern for the community, despite the limited number of personnel and diverse educational backgrounds, they still try to serve optimally. Thus, despite the challenges, public services in Blabak Village have run quite optimally. However, improvements are needed in terms of infrastructure and the number of officers so that services can be more comfortable, fast, and efficient.

Organizational communication is crucial in enhancing performance, productivity, and creating a harmonious work environment. In management psychology, communication serves as a tool for information exchange and a means to build interpersonal relationships and manage conflicts. This study employs a literature review method by analyzing five key articles related to organizational communication. The results indicate that effective communication can enhance motivation, reduce conflicts, and strengthen employee engagement. Barriers such as perceptual differences and information overload can be addressed through appropriate communication strategies, including the use of technology and psycholinguistic approaches. Therefore, good communication should be a priority within organizations to create a more efficient and collaborative work system

Diabetes is a chronic disease that makes the body lose its ability to produce insulin or begin to use it less efficiently leading to high blood sugar. Without proper treatment, over time, this disease can lead to more serious health problems such as heart disease, vision loss, and kidney disease. Early detection and prevention are crucial in mitigating these risks. This study focuses on conducting an early screening for diabetes among high school students at SMA Negeri 1 Palu. Additionally, this activity aims to educate students at SMA Negeri 1 Palu on the importance of maintaining a healthy lifestyle by managing their sugar intake according to daily caloric needs. The program utilized an interactive educational approach, incorporating demonstration tools and discussions to enhance engagement and understanding. A total of 68 students participated in this initiative which was evaluated through a final assessment measuring knowledge improvement and awareness of diabetes prevention.

When making a decision to purchase a motorcycle, it is necessary to consider several criteria. These include price, environmental impact, fuel consumption, design and technology, performance and power, availability of spare parts, after-sales service, warranty on spare parts and distance to the nearest service centre. This research aims to help consumers make informed decisions when buying motorbikes by using the Multi-Objective Optimisation by Ratio Analysis (MOORA) method. The MOORA method was selected because it can handle many criteria efficiently and simply, and produce very objective decisions. Nine criteria were used with four alternatives: motor A, motor B, motor C and motor D. The MOORA calculation results ranked motor C as the highest with a value of 1.90, motor B as the second highest with a value of 1.77, motor A as the third highest with a value of 1.25 and motor D as the fourth highest with a value of 1.20. This research proves that the MOORA method can effectively and accurately provide recommendations for making decisions about purchasing motorbikes with many criteria.

This study analyzes the effect of sales growth and capital intensity on operating cash flow at PT Sumber Alfaria Trijaya, Tbk during the 2013–2024 period. The research problem raised is whether sales growth and capital intensity have a significant effect on the company's operating cash flow. The purpose of this study is to prove the relationship between these two independent variables and operating cash flow, thus providing a basis for managerial decision-making in Indonesian retail companies. The data used in this study are secondary data in the form of annual financial statements of PT Sumber Alfaria Trijaya, Tbk over the last eleven years. The method used is a quantitative approach with regression analysis, preceded by classical assumption tests including normality, multicollinearity, heteroscedasticity, and autocorrelation tests to ensure the validity of the regression model. The results show that the residuals are normally distributed, the regression model is free from multicollinearity and heteroscedasticity, but there is positive autocorrelation in the residuals. Simultaneously, sales growth and capital intensity are proven to have a significant effect on the company's operating cash flow. These findings emphasize the importance of efficient management of sales growth and capital intensity in maintaining the stability of operating cash flow.

The development of information and communication technology has changed many aspects of life, including in terms of administration and management of letters. In this digital era, the conventional letter system that uses paper media has gradually shifted to a more efficient digital system. Correspondence management in the digital era refers to the process of managing letters or correspondence by utilizing digital technology to improve efficiency, security, and speed in managing letters. Although correspondence management uses technology that can simplify the process, correspondence management is not free from things that can hinder the process. The purpose of writing this article is to find out what can be challenges or obstacles in managing digital-based correspondence. The results of this study indicate that there are several things that are inhibiting factors in correspondence management and several solutions offered by the author in overcoming these obstacles.

In the modern government administration system, bureaucracy plays a central role in running the wheels of government and public services, but it often faces bureaucratic pathologies that hinder performance and reduce public trust. This research aims to examine how the principles of good governance are implemented to prevent various issues that often occur within the bureaucracy. The main focus is to identify the types of problems that frequently arise, assess how the principles of good governance are implemented in bureaucratic institutions, and examine the extent to which this affects the efficiency and quality of public services. The research method used is a qualitative approach with a literature study, which involves the analysis of literature related to bureaucratic pathology and good governance. The research results show that bureaucratic pathologies, such as corruption, collusion, and nepotism, as well as inefficiencies in public service, can be addressed through the application of good governance principles that emphasize transparency, accountability, public participation, and the rule of law. The discussion shows that bureaucratic reform needs to address changes in the mindset and values within the organization, while also utilizing information technology to make bureaucratic work more efficient. In conclusion, the consistent implementation of good governance can prevent bureaucratic pathologies and create an efficient, clean, and responsive bureaucracy to the needs of society, thereby increasing public trust in the government.

Digital image segmentation is essential in image processing, influencing the accuracy of higher-level tasks. Thresholding is widely used, yet identifying optimal threshold values remains challenging. The Firefly Algorithm with Neighbourhood Attraction (FaNA), a metaheuristic approach, is efficient for color image thresholding but underperforms on grayscale images due to suboptimal thresholds. To overcome this, an enhanced version (eFaNA) was developed by integrating a chaotic tent map for population initialization and a Lévy flight-based random walk for improved exploration. eFaNA was compared with FaNA, fuzzy firefly algorithm (FFA), and the standard Firefly Algorithm (FA) in multilevel thresholding of grayscale images. Results demonstrate that eFaNA achieves superior segmentation quality with minimal detail loss, outperforming the others. The average PSNR obtained by eFaNA, FFA, FaNA, and FA was 25.5320 dB, 25.4075 dB, 24.1522 dB, and 24.4506 dB, respectively; average SSIM was 0.8641, 0.8604, 0.8432, and 0.6703; and execution time was 50.5322, 38.7726, 38.7528, and 107.6340 seconds, respectively. This reflects a PSNR improvement of 5.71% over FaNA, 0.49% over FFA, and 4.42% over FA, and an SSIM gain of 2.48% over FaNA, 0.43% over FFA, and 28.92% over FA. While eFaNA lags behind FFA and FaNA in execution time by ~11.8 seconds, it significantly outperforms FA. The performance gain is attributed to the chaotic tent map’s diverse initialization and the Lévy flight’s enhanced search capability. These improvements enable eFaNA to deliver consistently better threshold values and segmentation results. However, its relatively higher computational cost may limit applicability in real-time image processing.

Immunization is one of the most effective and efficient public health efforts in preventing diseases and reducing mortality rates in children such as smallpox, polio, tuberculosis, hepatitis B, diphtheria, measles, rubella, congenital rubella syndrome (CRS), tetanus, pneumonia (lung inflammation) and meningitis (inflammation of the brain membrane) (Nandi & Shet, 2020). Data from the Indonesian Ministry of Health in 2020 showed that vaccination coverage in the 3rd and 4th months was months. However, efforts can be made to increase child vaccination coverage to 80% and that does not include DT, MR2, and HPV vaccinations. As, measles data is only 45%, diphtheria-tetanus (DT) is around 40% (Indonesian Ministry of Health, 2021). To determine the relationship between maternal knowledge and the completeness of basic immunization in children at the Raden Omas Posyandu. This study uses a quantitative research design with a cross-sectional method. The population in this study consisted of mothers who had children aged 12 to 18 months at Posyandu Raden Omas, totaling 36 mothers. The statistical results showed a relationship between maternal knowledge and the completeness of basic immunization in children p-value (0.048). Most respondents had good knowledge, as many as 13 respondents (36.1%). Sufficient knowledge, as many as 13 respondents (36.1%). Insufficient knowledge, as many as 10 respondents or 27.8%. Most respondents had incomplete immunization, namely 18 respondents (50%).

Indonesia's rich natural resources offer immense potential for tourism development, with various locations evolving into popular tourist destinations. Kledung Pass, with its stunning views of three mountains, is an attractive stopover for travelers heading to cities across Java. Despite its popularity, however, there is no clear technical framework for designing rest areas in such locations. This study addresses the gap by proposing a new concept that reimagines rest areas as tourist destinations, providing brief yet meaningful stops for travelers. The research conducted surveys with road users to understand their rest needs while traveling. It focused on identifying key factors influencing the need for rest from a neuroscience perspective, considering both the physiological and psychological aspects. These findings were analyzed using William Peña’s space programming theory to develop appropriate design standards. The results indicated two main factors driving the need for temporary stopovers: physical fatigue from long journeys and emotional boredom. These findings underscore the necessity for spaces that cater to both physical relaxation and mental rejuvenation, creating a more holistic rest area experience. The proposed design standards move beyond traditional rest areas, integrating recreational features to enhance user experience. The design that considers the effective zoning layout and the use of environmentally friendly materials is expected to be able to create an economically efficient rest area, while providing a positive experience that is environmentally friendly. Overall, planning non-toll rest areas with neuroarchitectural principles can create functional rest areas that support mental health, as well as strengthen Indonesia's tourism appeal through sustainable and highquality space experiences.

Energy subsidy policy has become one of the key strategies of the Indonesian government in its efforts to improve public welfare, particularly for low-income groups. By subsidizing fuel (BBM), 3-kg LPG, and electricity tariffs, the government aims to stabilize energy prices to make them more affordable for the poor. However, the effectiveness of this policy in achieving social welfare goals remains debatable, especially regarding the accuracy of subsidy distribution. This study aims to analyze the impact of energy subsidies on the welfare of poor households in Indonesia using both qualitative and quantitative approaches based on secondary data from BPS, the Ministry of Finance, and reports from international institutions such as the World Bank and the IMF. The analysis shows that although energy subsidies provide direct benefits by reducing the household expenses of the poor, a significant portion of the subsidies is actually enjoyed by middle- and high-income households. This unequal distribution reduces the effectiveness of subsidies as a tool for promoting welfare equity. Therefore, reform of energy subsidy policies is needed to improve targeting accuracy, such as by converting subsidies into direct cash transfers based on social data. These findings offer important implications for the formulation of more efficient and equitable fiscal and social protection policies in the future.

This research adopts a normative juridical approach, focusing on legal norms, doctrines, and principles related to the Inspectorate's responsibility in supervising problematic BUMDes management from a criminal law perspective. Supervisory planning begins with the Regional Inspectorate preparing an Annual Supervisory Work Plan (RKPT), which outlines oversight activities for the year. Internal supervision and criminal law serve different but complementary roles: the former is preventive, aiming to detect irregularities early, while the latter is repressive, addressing legal violations. The synergy between both mechanisms is essential for transparent and efficient BUMDes financial management. Strengthening the Inspectorate’s role requires improving its institutional capacity and enhancing the competence of its personnel. This includes developing technical auditing skills and a deep understanding of criminal law related to village fund misuse. Professional auditors with legal insight are crucial for early detection of fund misappropriation, thereby fostering integrity and accountability in village financial governance.

Physical modification of starch using microwave heat treatment (MHT) technology serves as an efficient and environmentally friendly alternative to enhance the functional properties of starch without chemical additives. This article aims to examine the influence of microwave power and heating duration on the swelling power and solubility of various starch types, including tapioca, taro, sago, and lotus rhizome. A review of four studies revealed that power and time parameters significantly affect the crystalline structure of starch granules, resulting in either enhancement or reduction of their functional properties. High power or prolonged heating may decrease swelling power due to crystal restructuring and granule disruption, while solubility increases as a result of amylose and amylopectin degradation. MHT has proven to accelerate the heating process in a volumetric and efficient manner, improving water absorption capacity and viscosity. Despite its drawback of uneven heat distribution, this method remains relevant as a physical modification technique aligned with green processing principles in the food industry.

Indonesia has abundant renewable energy potential, but its utilization still faces various technical, economic, social, and policy barriers. This article examines renewable energy integration strategies through a smart grid approach as a systemic solution to build a reliable, efficient and sustainable electricity system. Using a literature review method, it highlights key challenges such as intermittency of energy sources, limited storage infrastructure, high initial investment costs, and regulatory and social resistance. The integration strategies discussed include the development of energy storage technologies, increased flexibility of the electricity system, optimization of plant planning and operations, energy policy reform, and investment in infrastructure and digitalization. The vital role of smart grids is made clear through case studies of implementations in remote areas that have successfully improved distribution efficiency and community participation. The results confirm that successful integration of renewable energy requires synergy between technology, policy, and active community involvement. In conclusion, smart grid is not just a technological infrastructure, but the foundation of transformation towards a national energy system that is low-emission, inclusive, and long-term resilient.

This study aims to analyze the management of educational facilities and infrastructure at SD Negeri 060857 through interviews with the principal, teachers, and students. The main focus includes aspects of adequacy, efficiency, and effectiveness of school facility management in supporting learning. The interview instrument for the principal focuses on strategic planning, evaluation, and technology integration in management. For teachers, it focuses on perceptions of the adequacy of facilities and involvement in the managerial process. Meanwhile, for students, the interview explores direct experiences of the comfort and quality of the available facilities. The results of the study are expected to provide a holistic picture as a basis for improving the management of facilities and infrastructure to be more planned, efficient, and sustainable in supporting quality education.

Letter management is one of the important aspects in supporting the efficiency of academic administration in schools. This study aims to explore and understand how letter management at SMA Al-Hidayah Medan can be optimized to improve the efficiency of academic administration. The study used a descriptive qualitative approach with data collection through direct observation and interviews with parties involved in the correspondence administration process. The research findings show that SMA Al-Hidayah Medan implements a combined letter management system, namely combining manual and digital management. Incoming and outgoing letters are recorded manually in the agenda book and expedition book, and archived digitally in the school computer system. However, the system used is still limited and has not been fully integrated. The obstacles found include limited human resources who have not fully mastered administration and information technology, weak document supervision, and archiving of physical letters that have not been systematically arranged. In addition, digital archiving which is still conventional without automatic categorization makes the archive search process less efficient. As an optimization effort, the school has implemented a semi-digital system, provided training for administrative staff, compiled letter classification codes, compiled SOPs for letter management, and utilized cloud storage and digitization of old archives. These steps demonstrate institutional awareness to build a more efficient and modern administration system. In conclusion, effective letter management plays a very important role in supporting academic administration, but requires continuous coaching, better digital integration, and strong managerial commitment.