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Advance Sustainable Science, Environmental Engineering and Technology (ASSET) Jl. Sidodadi Timur No.24, Karangtempel, Kec. Semarang Tim., Kota Semarang, Jawa Tengah 50232
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INDONESIA
Advance Sustainable Science, Engineering and Technology (ASSET)
Published by Universitas PGRI Semarang
ISSN : -     EISSN : 27154211     DOI : https://doi.org/10.26877/asset
Core Subject : Science, Engineering,
Chemistry Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering
Advance Sustainable Science, Engineering and Technology (ASSET) is a peer-reviewed open-access international scientific journal dedicated to the latest advancements in sciences, applied sciences and engineering, as well as relating sustainable technology. This journal aims to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of sciences, engineering, and technology. The Scope of ASSET Journal is: Biology and Application Chemistry and Application Mechanical Engineering Physics and Application Information Technology Electrical Engineering Mathematics Pharmacy Statistics
Arjuna Subject : Teknik Kimia (semua kategori) - Teknik Kimia (Lain-Lain)
Articles 272 Documents
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Evaluating Sustainable Waste Collection Models Using the Analytical Hierarchy Process (AHP): A Multi-Criteria Decision-Making Approach Sri Purwati; Nancy Oktyajati; Ica Salsa Bila
Advance Sustainable Science Engineering and Technology Vol. 7 No. 3 (2025): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i3.1471

Abstract

The growing issue of disposable baby diaper waste requires an effective collection model to support sustainable waste management. This study designs a community-based collection model using the Analytical Hierarchy Process (AHP) method to identify the most effective approach. Three models are evaluated: Model 1 (Community-Based Diaper Bank), Model 2 (Scheduled Diaper Pick-Up Program), and Model 3 (Diaper Collection Points at Public Facilities). Results show Model 1 is the most effective, with the highest Global Priority score of 0.415, due to its contributions to reducing environmental impact, raising public awareness, and incentivizing participation. Model 2 and Model 3 follow with scores of 0.353 and 0.261. The environmental criterion holds the highest weight (0.504), emphasizing its importance. These findings suggest that community-based models can enhance waste collection efficiency and support sustainability. The results can inform policy development and help guide future research on sustainable waste management practices.
Artificial Intelligence in Personalized Marketing: Strategies for Enhancing Consumer Engagement Syaharuddin; Hidayanti, Nur Fitri; Iswanto, Dedy; Ningsih, Nurul Hidayati Indra
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/df5dwp69

Abstract

This study examines the use of artificial intelligence (AI) in personalized marketing to boost consumer engagement. Using a systematic literature review from Scopus, DOAJ, and Google Scholar, it finds that AI helps predict consumer behavior, optimize communication, and deliver real-time adaptive content. These capabilities enhance customer satisfaction and loyalty. However, challenges such as data privacy, ethical concerns, and the need for human oversight remain. The study recommends investing in AI-driven analytics, automation, and dynamic content strategies to improve customer experience and interaction. 
Urban Expansion, Climate Vulnerability, and Transportation Resilience: Insights for Sustainable Development Arifai, Achmad Muhyidin; Arsyad, Muhammad Fahmi
Advance Sustainable Science Engineering and Technology Vol. 7 No. 3 (2025): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i3.1495

Abstract

Climate change poses a significant threat to transportation infrastructure, particularly in rapidly urbanizing regions like Bumi Serpong Damai (BSD) City, Indonesia, which faces increased risks of flooding and the urban heat island (UHI) phenomenon. However, limited research has assessed the combined impacts of climate and land use changes on infrastructure resilience. This study addresses this gap by integrating remote sensing analysis, climatological data, field observations, and stakeholder interviews to identify key vulnerabilities. The results highlight that low-lying and high-impermeability areas, such as the BSD highway and Central Business District (CBD), are highly susceptible to flooding and UHI effects. To enhance resilience, the study proposes structural, nature-based, and technology-driven adaptation strategies, including improved drainage, sponge city concepts, and IoT-based climate monitoring. These findings provide essential insights for urban planners and policymakers, emphasizing the need for climate-adaptive infrastructure planning and sustainable urban development policies.
Spectral and Molecular Modifications of Hydrophilic Silica Aerogel: A Study on Doping Effects and Structural Evolution Israa F. Al-sharuee; Orass Abdulhadi Hussein
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/qtrytk53

Abstract

Silica gel has recently become an interesting material because of its importance in many applications in several fields such as medicine and sustainable technology. It has been found that the impregnation of some materials improves the synthetic properties of silica. Silica gel was prepared via mixed TEOS: ethanol: hydrochloric acid with molar ratios of 2:10:1.5. After doping with Diethyl in different concentrations 10-4, 10-5, and 10-6) g/cm3, the molecular properties were studied by examining the FTIR, and the UV spectrum of the prepared samples. The synthetic and morphological properties were investigated through BET and SEM and EDX. Results showed the ultra-violet to the visible (green) region at the concentration (10-5) g\cm3, and doping was evident through the change in the absorption peaks for different concentrations. The FTIR spectrum remained unchanged, as well, the high specific surface area indicates the inner connection of the dye to the silica network, which makes it a promising material in improving the structural properties for industrial applications. Materials with a limited variety of homogeneous microporous materials except for some aggregation appear at a high concentration (10–4) g/cm3 due to diethyl particles.
Sustainable Aquaculture: The Role of Probiotic Fortification In Enhancing Catfish Growth In Biofloc Aquaponics Technology Dewi, Endah Rita Sulistya; Mufidah, Ratna; Rakhmawati, Reni; Ulfah, Maria; Khoiri, Nur; Wijaya, Angelica Tricia; Hudin, Noraine Salleh
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/y4rfps86

Abstract

Catfish (Pangasius sp.) is a freshwater fish commodity that is widely cultivated in the Indonesian fisheries sector. The aim of this research was to determine the effect of fortification of liquid probiotics bioprisma and biogan on the protein and fat of catfish meat in the biofloc aquaponics technology. The catfish used in this study was 7-8 cm in size. The research was carried out using a completely randomized design (CRD) method with 3 treatments and 3 replications, the treatments were as follows: P0 = without addition of probiotics, P1 = addition of bioprisma probiotics 0.15 mL/l,5 L of water, P2 = addition of biogan probiotics 0,15 mL/l,5 L of water. The data obtained were then processed and calculated using ANOVA at a 95% confidence interval if a significant effect was found, then continued with Duncan's further test. This study indicates that the addition of probiotic to catfish culture media can affect body protein, body fat, and water quality environmental condition (ammonia, nitrite, nitrate, DO) of catfish. The addition of probiotics in the P1 (addition of bioprisma probiotics 0,15 mL/l ,5 L of water) gave the best effect in increasing the growth of  catfish, 18,70% body protein and 8,73% body fat. The integration of biofloc with aquaponics technologies can eliminate geographical limitations and accelerate the urbanization of aquaculture.
Performance Comparison of UWB Single Balanced Schottky Diode Mixers for RF Front-End Applications in 3-10 GHz Band Shairi, Noor Azwan; Mohammed , Yahya Al-gumaei; Zakaria, Zahriladha; Maizatul Alice Meor Said; Misran, Mohamad Harris; Abdullah Mohammed, Zaghir Zobilah
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/jsy73y58

Abstract

This paper compares two single balanced mixer designs for ultra-wideband  (UWB) of RF front-end at frequencies ranging from 3 to 10 GHz. The proposed mixer designs use two balun topologies for varying mixer performances. Thus, Design 1 incorporates a Coupled Line Balun and Design 2 incorporates a Branch Line Balun. Both designs make use of Skyworks' SMS7621 Schottky diodes, which have a low junction capacitance, and the Rogers RO4350B substrate, which has a dielectric constant of 3.48. The Coupled Line Balun (Design 1) offers a total length of 88 mm, whereas the Branch Line Balun (Design 2) creates a more compact structure with 48 mm. This paper's thorough analysis and measurements show each design's benefits and drawbacks in terms of circuit size and performance. The simulations and measurement results of both designs generally showed a conversion loss of less than 20 dB and LO-RF isolation of better than 50 dB.
Enhancing Pose-Based Sign Language Recognition: A Comparative Study of Preprocessing Strategies with GRU and LSTM Purbojo, Toby; Wijaya, Andreas
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/sj5scb03

Abstract

Recognizing isolated sign language gestures is difficult due to differences in body proportions and missing pose landmarks. Many current methods struggle to work well across different signers. To solve this, we propose reference-based normalization, which reduces body shape differences by separately normalizing body parts such as the full body, arms, face, and hands. We tested this method using LSTM and GRU models on two datasets: a custom American Sign Language (ASL) dataset with one amateur signer, and the public WLASL dataset with various signers. On the custom dataset, the highest accuracy (97.75%) was achieved using LSTM with normalization applied only to the full body and hands, since the signer was consistent. For the WLASL dataset, adding normalization for the arms and face improved accuracy by 3.10% for LSTM and 0.77% for GRU. The GRU model reached the best WLASL result (74.03%) with fewer parameters than other advanced models. These findings show that reference-based normalization improves sign recognition performance and has potential for real-world use, especially in recognizing signs in continuous sequences.
Prokes rematri Web-based App: Development, Testing and Construct Validation of Content to Control Undernutrition at Female Teenager as Early Prevent Stunting in Life Cycle Vilda Ana Veria Setyawati; Ari Yuniastuti; Handayani, Oktia Woro Kasmini; Farida, Eko
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/srxr3p50

Abstract

Several measurements of female teenager undernutrition risk factors have been carried out, but the data are limited and not collected well. Technology approach needed to solve at this problem. This research was conducted to develop Prokes rematri web-based app and analysis CFA and EFA as construct validity. The variables and items as content of beta version were obtained from literature reviews and in-depth interviews who stake holder stunting program as subjects. In this study we limit the science scope about public health, nutrition, and statistic. Data analysis using explanatory factor analysis (EFA) and confirmatory factor analysis (CFA). In conclusion, we had developed Prokes Rematri We-Based app and have blackbox tested. In the other hand, 40 items question as end result of construct validated by EFA and CFA. The scope of questionnaire consist of four topics, that are youth nutrition practice, community support, youth nutrition knowledge, and internal factor of youth nutrition.
Assessing Environmental Quality Using the Risk Screening Environmental Indicators (RSEI) Method: A Multi-Year Remote Sensing Approach Wahid Akhsin Budi Nur Sidiq; Tjaturahono Budi Sanjoto; Abdul Jabbar
Advance Sustainable Science Engineering and Technology Vol. 7 No. 3 (2025): May - July
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v7i3.1766

Abstract

Industrial areas in Indonesia are increasing every year with a total of 136 industrial estates in 2024, of which 61.76% are in Java, such as Kendal Industrial Estate (KIE) with an increase in built-up land of 289.52 hectares (2015-2017). The problem is that the development was carried out by converting vegetation cover. The purpose of the study was to analyze the impact of the increase in built-up land on the environmental quality index around Kendal Industrial Estate. Research method with supervised classification Random Forest method and spectral transformation Risk Screening Enviromental Indicators with indicators of greenness index, humidity Index, dryness Index and heat index with Principal Component Analysis technique. The results showed that built-up land around KIE increased by 894.17 hectares which resulted in a decrease in vegetation cover of 184.71 hectares (2015-2024), this phenomenon had an impact on increasing low-level RSEI by around 2,028.31 hectares (2015-2024). The regression results show that the increase in built-up land and the reduction of vegetation cover have an impact on the decline in environmental quality in the study area. The contribution of the research results can be used as a database for regulation of land use change restrictions.
Enhancing Functional Foods with Plant Extracts: A Study on Gummy Candies Containing Sungkai Leaf Extract Nurhasanah, Siti; Muhaimin; Pyopyash , Sverigenia Aprilia; Zaida; Pangawikan, Aldilla Din Pangawikan
Advance Sustainable Science Engineering and Technology Vol. 7 No. 2 (2025): February-April
Publisher : Science and Technology Research Centre Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/tjdgyw23

Abstract

Gummy candy is a popular food product, but it is generally high in calories and low in functional content. Sungkai leaves (Peronema canescens Jack) are known to contain antioxidant compounds that have the potential to be developed as functional food ingredients. To overcome the high calorie content of gummy candy, this study developed a low-calorie gummy candy formulation with the addition of encapsulated sungkai leaf extract and a low-calorie sweetener. This study aims to determine the optimal concentration of encapsulated sungkai leaf extract that produces gummy candy with optimal physicochemical, texture, antioxidant activity, and organoleptic characteristics. The study used an experimental method with Randomized Group Design (RAK), consisting of seven treatments of sweetener combination (xylitol and sucralose) and microcapsule concentration (3-7%). The results showed that the best formulation was a combination of 75% xylitol and 3% sungkai leaf extract microcapsules. This formulation produced good antioxidant activity (total phenolics 1,843 mg GAE/g; IC₅₀ of 597.878 mg/L), favorable texture (hardness 26.12 N; chewiness 42.99 Nmm), and good consumer acceptability (overall acceptability 3.71 out of 5). In addition, the caloric value was only 2.76 kcal/g, lower than conventional candy. The implications of the results of this study indicate a great opportunity for diversification of healthy food products based on local plants, as well as encouraging the development of functional food innovations that support a healthy lifestyle and prevention of degenerative diseases through the daily diet.

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