Universitas Pancasila Journal
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Pharmacognostic and Phytochemical Characterization of Colocasia esculenta var. antiquorum Corm (Araceae) and Preliminary Evaluation of Its Antimicrobial Activity
Full text linkColocasia esculenta has been reported in reputable journals to exhibit various bioactivities, including antioxidant, anti-inflammatory, and antidiabetic properties. This study aimed to investigate the pharmacognostic characteristics and phytochemical profile of Colocasia esculenta var. antiquorum corm (Araceae). The corms were collected, authenticated, oven-dried, and subjected to preliminary pharmacognostic and phytochemical analyses. Pharmacognostic evaluations included organoleptic, microscopic, and physicochemical examinations. The dried corm powder was extracted with distilled water, followed by qualitative phytochemical screening. The extract was found to contain saponins, flavonoids, tannins, and triterpenoids. Antimicrobial activity was further evaluated against Staphylococcus aureus, Escherichia coli, and Candida albicans, which were selected as representative pathogenic microorganisms for Gram-positive bacteria, Gram-negative bacteria, and fungi, respectively. These microorganisms were chosen based on previous reports demonstrating that the ethanolic leaf extract of taro exhibited antifungal activity against Candida albicans and antibacterial activity against Pseudomonas aeruginosa, Staphylococcus aureus, Klebsiella, and Escherichia coli. However, no inhibitory effect was observed in this study. All analyses were performed in accordance with the guidelines of the Indonesian Herbal Pharmacopeia. The findings provide reference data for the pharmacognostic identification of Colocasia esculenta corm and highlight its phytochemical constituents. Further investigations on other biological activities are required to validate its therapeutic potential.
ANALISIS ARSITEKTURAL KOLONIAL GEDUNG SATE SEBAGAI SIMBOL PARIWISATA KOTA BANDUNG
Full text linkAnalyzing the architectural features of Gedung Sate reveals its significance as a historical and cultural landmark in Bandung, Indonesia. Constructed in 1920 by architect Ir. J. Gerber, the building showcases a unique blend of European and Indonesian styles, characterized by its neoclassical design with Art Deco influences and the iconic "tusuk sate" ornamentation. Originally serving as the headquarters for the Dutch colonial government, Gedung Sate has evolved into a vital component of Bandung\u27s tourism landscape, attracting both local and international visitors. Despite its popularity, the building\u27s potential as a nighttime tourist destination remains largely untapped. This research evaluates the architectural elements that enhance its appeal and proposes strategies for optimizing its use as a cultural and educational site. The findings aim to contribute to the understanding of the relationship between architecture and tourism while offering practical recommendations for stakeholders to improve visitor experiences and promote sustainable tourism development in Bandung.Menganalisis elemen arsitektur Gedung Sate mengungkapkan signifikansinya sebagai landmark sejarah dan budaya di Bandung, Indonesia. Dibangun pada tahun 1920 oleh arsitek Ir. J. Gerber, bangunan ini menampilkan perpaduan unik antara gaya Eropa dan Indonesia, ditandai dengan desain neoklasik yang dipengaruhi Art Deco serta ornamen ikonik "tusuk sate". Awalnya berfungsi sebagai kantor pusat pemerintah kolonial Belanda, Gedung Sate telah berkembang menjadi komponen vital dalam lanskap pariwisata Bandung, menarik pengunjung lokal dan internasional. Meskipun telah populer, potensi bangunan ini sebagai destinasi wisata malam masih belum dimanfaatkan secara optimal. Penelitian ini mengevaluasi elemen arsitektur yang meningkatkan daya tariknya dan mengusulkan strategi untuk mengoptimalkan penggunaannya sebagai situs budaya dan edukasi. Temuan diharapkan dapat memberikan kontribusi terhadap pemahaman hubungan antara arsitektur dan pariwisata serta menawarkan rekomendasi praktis bagi pemangku kepentingan untuk meningkatkan pengalaman pengunjung dan mempromosikan pengembangan pariwisata berkelanjutan di Bandung
Effect of Fins on Charging Performance – Release of a PCM-Based Thermal Energy Operating Simultaneously
Full text linkThe use of organic phase change materials (PCMs) has been widely applied as a filling material for thermal energy storage units (TES) due to its relatively low cost, easy availability, and stable temperature during phase change. However, on the other hand, phase change materials have low thermal conductivity, which results in slow operation duration, considered as a drawback. To address this issue, the use of fins inserted into the PCM in a simultaneously operating TES unit is proposed. The effects of flat and pipe aluminum fins were observed in a TES unit using palmitic acid (PA) and myristic acid (MA) as PCMs, resulting in four experimental variations: palmitic acid - flat aluminum fins (PA1), palmitic acid - pipe aluminum fins (PA2), myristic acid - flat aluminum fins (MA1), and myristic acid - pipe aluminum fins (MA2). These variations were tested from ambient temperature up to the PCM temperature of 90°C and back to ambient temperature. The results showed that visually, PCM melts and freezes earlier in the areas near the fins. Based on the experimental data, PA1 was 4.5% faster than PA2, and MA1 was 8.1% faster than MA2 in terms of TES operation duration. Therefore, it can be concluded that the use of flat aluminum fins makes the operation duration faster compared to pipe aluminum fins. The simultaneous operating system caused the exhaust temperature to increase by an average of 11.1°C during the charging process, while during discharging, the exhaust temperature decreased by an average of 14.5°C across the entire TES unit
ANALISIS FAKTOR PENYEBAB KEPUASAN KERJA KARYAWAN TETAP PADA PT XYZ
Full text linkPenelitian ini menganalisis ketidakpuasan kerja karyawan tetap pada level asisten manajer (AMGR) dan manajer (MGR) di PT XYZ yang disebabkan oleh ketidakseimbangan antara beban kerja dan kompensasi, ketidakjelasan peran, serta minimnya pengakuan terhadap kompetensi dan pencapaian. Kondisi tersebut memicu kelelahan, menurunkan motivasi dan berdampak pada retensi karyawan serta kinerja Perusahaan. Penelitian bertujuan menganalisis tingkat kepuasan karyawan tetap terhadap sistem kerja saat ini, mengidentifikasi faktor-faktor yang mempengaruhi, dan menentukan prioritas untuk perbaikan strategis. Data diperoleh studi literatur, kuesioner, dan wawancara, kemudian dianalisis menggunakan Customer Satisfaction Index (CSI), Importance Performance Analysis (IPA), dan metode Eckenrode. Hasil menunjukkan skor CSI sebesar 70.17%, menandakan tingkat kepuasan yang rendah. Analisis IPA dengan skor 82% menunjukkan ketidaksesuaian yang signifikan, dimana sistem kompensasi gagal memenuhi harapan karyawan. Metode Eckenrode memprioritaskan perbaikan pada beban kerja, kompensasi dan kompetensi memiliki skor 0.209. Penelitian ini memberikan kontribusi asli melalui pendekatan multidimensional yang menawarkan solusi praktis untuk perbaikan sistem kerja, peningkatan retensi karyawan, serta penguatan kinerja Perusahaan secara keseluruhan
Green Reputation in Mediating Implementation of Sustainable Development Goals (SDGs) On Company Financial Performance
Full text linkThis study aims to examine the mediating role of green reputation in the relationship between the implementation of Sustainable Development Goals (SDGs) and corporate financial performance. Research data processing using SEM-PLS Analysis. Data sourced from financial reports and sustainability reports published by the company, and ESG score data released by the IDX in collaboration with Morningstar Sustainalytics.The research findings found that although the implementation of SDGs does not have a direct impact on financial performance, there is a significant influence of the implementation of SDGs on green reputation, and green reputation has a significant influence on the company\u27s financial performance, so that green reputation becomes a mediator between the implementation of SDGs on the company\u27s financial performance. The theoretical implications of this study support signaling theory, where green reputation acts as a positive signal to stakeholders regarding a company\u27s commitment to sustainability. In terms of policy, these results encourage companies to not only adopt SDGs, but also proactively build and strengthen their green reputation to maximize the positive impact on the company\u27s financial performance. The novelty of this research lies in the use of the green reputation variable as a mediator with measurements using the ESG-Sutainalytics score
Strategi Peningkatan Kinerja Organisasi Pada Penyelenggara Sertifikasi Elektronik (PSrE) Induk Di Kementerian Komunikasi Dan Informatika
Full text linkTujuan penelitian ini adalah untuk mengetahui strategi Peningkatan Kinerja Organisasi Pada Penyelenggara Sertifikasi Elektronik (PSrE) Induk Di Kementerian Komunikasi Dan Informatika. Penelitian ini menggunakan metode penelitian kuantitatif dan kualitatif (campuran). Teknik pengambilan sampel menggunakan Nonprobabilty Sampling. Pengumpulan data menggunakan kuisioner. Teknik analisis data menggunakan Structural Equation Modeling (SEM) dengan software Smart PLS versi 3.0 untuk analisis data kuantitatif, serta analisis IFE, EFE, TOWS, dan QSPM untuk analisis data kualitatif. Hasil penelitian kuantitatif menunjukkan bahwa variabel Regulasi tidak berpengaruh terhadap Komitmen Manajemen dan Kinerja Organisasi. Namun, variabel Ketersediaan Anggaran, Infrastruktur TI, dan juga Komitmen Manajemen berpengaruh terhadap Kinerja Organisasi. Adapun hasil penelitian analisa strategi melalui tahapan strategi input stage dengan IFE & EFE matching stage dengan TOWS dan decision stage dengan QSPM maka strategi yang digunakan dari hasil QSPM adalah strategi Peningkatan Keamanan Siber dan Infrastruktur Teknologi Informasi
BEHAVIOR AND CULTURE AND THEIR INFLUENCE ON THE SPATIAL ARRANGEMENT OF THE YOGYAKARTA PALACE
Full text linkThe Yogyakarta Sultanate Palace (Keraton) is a vital symbol of Javanese culture, reflecting a blend of Kejawen, Hinduism, Buddhism, and Islam. Its architecture and spatial layout embody philosophical, spiritual, and political meanings, influencing the behavior of those within its environment. Using qualitative methods, this study explores how the palace’s symbolic structure shapes social behavior and cultural perception.
Findings show the palace is arranged according to Javanese cosmology, with a concentric hierarchy where inner spaces are considered more sacred. Myths and rituals associated with the palace enhance its spiritual authority and reinforce the king\u27s legitimacy. However, belief in these myths is declining, especially among younger generations, influenced by age, education, and cultural background.
The Yogyakarta Palace is more than a physical structure—it is a living symbol of harmony between humans, nature, and the divine. Understanding its mythological and historical context is essential to interpreting traditional Javanese architecture
Influence of Several True-Solvent, Co-Solvent and Non-Solvent on Thinner in Coating Adhesion And Thickness Automotive Paint
Full text linkChoosing better organic solvents and providing appropriate mixing ratios for thinner in the automotive paint industry. The research objects were true solvents, ethyl acetate, butyl acetate, and acetone; alcohol cosolvents are isopropyl alcohol, isobutyl alcohol; and non-solvents are n-heptane, propylene glycol, and mineral spirits. Adhesion and coating thickness by spray paint and turbidity of thinner were performed. The thinner dissolving rate was evaluated by immersing coated galvalume plates (50 mm × 50 mm × 0.4 mm) into thinner and recording the time required to dissolve the paint. Thinner testing was conducted using a spray method at 17 cm distance and 90° angle, with coating thickness measured by coating thickness gauge and adhesion evaluated using the ASTM D3359 tape test. The best Performance was observed in the 5:3:3 composition (EA:IPA:MS), which achieved a 5B adhesion rating and a coating thickness of 60.7 µm. This ratio also had the lowest turbidity value (0.11 ± 0.02 NTU). Based on the capability plot analysis, this composition demonstrated high process capability (Cp = 3.06; Cpk = 2.52), confirming its suitability as the optimal formulation for automotive thinner applications
Revitalizing Sodetan Sekretaris River as a View for Centro City Residence and Its Surroundings
Full text linkMany apartments offer various advantages, one of which is the view. However, not the case with Centro City Residence apartment located on Jalan DaanMogot. Problems arise in the room units facing Kali Sodetan Sekretaris due to the poor ventilation and unpleasant views. Rather than providing fresh air, the window allows unpleasant odors from the river to enter the rooms. Moreover, the view consists of a heavily polluted river, filled with garbage and dark, murky water. This research, conducted using a descriptive qualitative method, aims to explore the role of architectural design in proposing alternative solutions that benefit both the residents of Centro City Residence and the surrounding. Some solutions that can be done are to revive Sodetan Sekretaris river as a tourist spot for the surrounding. By making it a tourist spot and is expected to be free from garbage. This includes transforming the riverfront into a clean, inviting space with pedestrian walkways, seating areas, photo spots, and street lighting to attract local visitors and encourage community engagement
PELATIHAN KOPERASI SYARIAH DALAM MENGEMBANGKAN PEMIKIRAN EKONOMI
No full textKoperasi di PRA Tamantirto Selatan masih berbentuk konvesional dan dituntut untuk menjadi koperasi syariah. Kegiatan ini bertujuan untuk menyelenggarakan pelatihan koperasi syariah terhadap peningkatan pengetahuan dan pemahaman pengurus dan anggota PRA Tamantirto Selatan mengenai prinsip-prinsip ekonomi syariah. Data yang didapat dari kegiatan pengabdian ini kemudian diperlakukan sebagai data penelitian yang menggunakan metode eksperimen dengan desain satu kelompok melibatkan 17 responden (N=17). Uji sampel berpasangan (paired sample t-test), normalitas, dan homogenitas varian dilakukan untuk menganalisa data. Pengujian normalitas menunjukkan bahwa data mengikuti distribusi normal dengan nilai p > 0,05. Uji homogenitas menunjukkan bahwa kelompok adalah homogen, dengan p > 0,05. Sementara itu, uji sampel berpasangan menunjukkan perbedaan yang signifikan antara hasil pre-test dan post-test, dengan rata-rata perbedaan sebesar -12,94118, nilai t sebesar -8,327, dan nilai signifikansi sebesar 0,000. Temuan ini mengindikasikan bahwa pelatihan koperasi syariah efektif dalam meningkatkan pengetahuan dan pemahaman peserta mengenai prinsip-prinsip ekonomi syariah. Namun, hasil analisa data ini memiliki keterbatasan seperti responden yang sedikit dan jarak pengisian kuesioner yang pendek, sehingga diperlukan pelatihan lanjutan dengan respondenl yang lebih banyak dan evaluasi jangka panjang untuk mengkonfirmasi temuan ini