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All Journal AL KAUNIYAH Jurnal Kesehatan Tambusai Indonesian Journal of Contemporary Multidisciplinary Research Indonesian Journal of Entrepreneurship & Startups
Pangestu, Danang Aji
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Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health Social Sciences

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STRUKTUR KOMUNITAS MAKROZOOBENTOS DI EMPAT MUARA SUNGAI CAGAR ALAM PULAU DUA, SERANG, BANTEN Ridwan, Muhammad; Fathoni, Rizal; Fatihah, Ishma; Pangestu, Danang Aji
Al-Kauniyah: Jurnal Biologi Vol 9, No 1 (2016): Al-Kauniyah Jurnal Biologi
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (480.97 KB) | DOI: 10.15408/kauniyah.v9i1.3256

Abstract

Abstrak Penelitian ini dilaksanakan di sungai dan estuari yang berada di kawasan Cagar Alam Pulau Dua, Serang, Banten. Kawasan tersebut sering dimanfaatkan oleh warga setempat untuk pengairan tambak yang berada di luar kawasan. Aktivitas tersebut secara tidak langsung akan berpengaruh terhadap biota yang berada di sungai maupun estuari. Makrozoobenthos merupakan salah satu aspek biologis yang berperan penting dalam pengkajian kualitas suatu perairan. Tujuan penelitian ini adalah untuk mengetahui struktur komunitas makrozoobenthos yang berada di Cagar Alam Pulau Dua. Metode yang digunakan adalah survey deskriptif. Pengambilan sampel dilakukan secara purposive sampling dengan menetapkan 4 stasiun penelitian. Berdasarkan hasil penelitian ditemukan 9 jenis makozoobenthos yang dikelompokkan menjadi 6 famili, yaitu Grapsidae, Littorinidae, Panaeidae, Planaxidaae, Ocypodidae dan Potamididae. Indeks Keanekaragaman yaitu sebesar 0,693–1,646, nilai kemerataan jenis sebesar 0,149–0,457, dan nilai dominansi yaitu 0,5. Keanekaragaman dan dominansi menunjukkan nilai yang rendah. Dominansi Metopograpsus latiforus menyebabkan terganggu dan tidak stabilnya perairan di kawasan cagar alam. Abstract Research was carried out in rivers and estuaries in nature conservation Cagar Alam Pulau Dua, Serang, Banten. Those areas are often used by local residents to irrigate ponds outside the sites. That activity directly influences biota in the rivers and estuaries. Macrozoobenthos is one of biology aspects that play an important role in quality assessment of irrigation. This research aimed to study macrozoobenthos community structure in Cagar Alam Pulau Dua by using a descriptive survey method. Sample was collected by using a purposive sampling method and deciding 4 research sites.  Research found 9 species of macrozoobenthos belonged to 6 families, namely Grapsidae, Littorinidae, Panaeidae, Planaxidaae, Ocypodidae, and Potamididae. Diversity index was 0,693–1,646, evenness value was 0,149–0,457, and dominance value was 0,5. Diversity index and dominance value were indicated low. Dominance value of Metopograpsus latiforus led to unstable and damaging irrigation in nature conservation.  
AKTIVITAS ANTIFUNGI EKSTRAK ETANOL NEPHTHEA SP. TERHADAP MALASSEZIA FURFUR DAN TRICHOPHYTON RUBRUM Hamida, Fathin; Amalina, Risma Kamila; Hanifah, Nur; Djuhariah, Yayah Siti; Fahrudin, Fahri; Alma'arik, Difa; Pangestu, Danang Aji
Jurnal Kesehatan Tambusai Vol. 6 No. 2 (2025): JUNI 2025
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jkt.v6i2.45105

Abstract

Infeksi mikosis termasuk salah satu infeksi yang sering terjadi di Indonesia. Infeksi mikosis menjadi sulit diobati akibat terjadinya resistensi fungi terhadap antifungi sintetik. Untuk itu, diperlukan pencarian obat berasal dari alam sebagai alternatif dalam pengobatan infeksi mikosis. Nephthea sp. merupakan jenis karang lunak yang berasal dari famili Nephtheidae yang tersebar luas di perairan laut Indo-Pasifik. Nephthea sp. mengandung senyawa metabolit sekunder yang berpotensi sebagai agen antimikroba. Penelitian ini bertujuan untuk menganalisis aktivitas antifungi dari ekstrak etanol 96% Nephthea sp. terhadap Malassezia furfur dan Trichophyton rubrum. Ekstrak etanol Nephthea sp. diperoleh dengan cara maserasi menggunakan pelarut etanol 96%. Ekstrak etanol Nephthea sp. di uji secara kualitatif kandungan senyawa metabolit sekundernya, meliputi alkaloid, tanin, flavonoid, saponin, dan triterpenoid. Ekstrak Nephthea sp. juga diuji kemampuannya menghambat pertumbuhan fungi Malassezia furfur dan Trichophyton rubrum menggunakan metode difusi cakram. Aktivitas antifungi ditunjukkan dengan zona bening (zona inhibisi) yang terbentuk di sekitar kertas cakram. Ketokonazol (15 µg) digunakan sebagai kontrol positif dan DMSO 10% sebagai kontrol negatif. Data skrining senyawa metabolit sekunder dan aktivitas antifungi ekstrak etanol Nephthea sp. dianalisis secara deskriptif. Berdasarkan uji skrining senyawa metabolit sekunder menunjukkan bahwa ekstrak etanol Nephthea sp. positif mengandung alkaloid, saponin, dan triterpenoid. Ekstrak etanol Nephthea sp. memiliki aktivitas antifungi terhadap Trichophyton rubrum pada konsentrasi 1000 mg/mL, 750 mg/mL, dan 500 mg/mL. Sedangkan aktivitas antifungi terhadap Malassezia furfur tidak terdeteksi. Dengan demikian, dapat disimpulkan bahwa ekstrak etanol Nephthea sp. mengandung senyawa metabolit sekunder yang berpotensi sebagai antifungi terhadap Trichophyton rubrum dengan daya hambat bersifat moderat.   
Communication Strategies for Enhancing Visitor Services at the Institut STIAMI Library Central Campus Pangestu, Danang Aji; Komalawati, Euis
Indonesian Journal of Contemporary Multidisciplinary Research Vol. 3 No. 5 (2024): September 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/modern.v3i5.11244

Abstract

The STIAMI Institute Library plays an important role in providing relevant information to its users. However, challenges such as ineffective communication, limited information technology implementation, and suboptimal service remain. This study aims to understand the communication strategies used by the STIAMI Institute Library to improve visitor services. A qualitative method with a descriptive approach was employed. Data were collected through interviews, observations, and documentation. The results show that internal communication, such as regular meetings and staff collaboration, as well as external communication through social media and online services, increase visitor satisfaction. Additionally, improvements in facilities and technology-based access to information significantly enhance visitor satisfaction. In conclusion, an effective communication strategy is key to improving library services and strengthening its role as an information and education center.
Organizational Communication Analysis on Work Performance and Organizational Commitment to Student and Lecturer Satisfaction at the STIAMI Institute Pangestu, Danang Aji; Indahsari, Tri; Alifah, Ria; Berliana, Vikky; Suwarta, Firdaus; Razali, Geofakta
Indonesian Journal of Entrepreneurship and Startups Vol. 1 No. 2 (2023): July 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijes.v1i2.5145

Abstract

This study aims to analyze the effect of organizational communication on work performance, organizational commitment, and student and lecturer satisfaction at the STIAMI Institute. A qualitative approach with case studies is used, and the variables tested include internal communication, openness, participation, recognition, and interpersonal communication. Survey methods and academic consultants are applied to strengthen communication and improve the teaching quality of lecturers. The results of the research show the importance of organizational communication in building a harmonious relationship between lecturers and students. This study recommends increasing the acceptance of input from students by lecturers, strengthening communication programs, maintaining the quality of interaction between lecturers and students, and improving services to students. The implication is increasing the effectiveness of organizational communication which has an impact on work performance, organizational commitment, and satisfaction of lecturers and students within the STIAMI Institute
Co-Authors Alifah, Ria Alma'arik, Difa Amalina, Risma Kamila Berliana, Vikky Djuhariah, Yayah Siti Fahri Fahrudin, Fahri Fathin Hamida FATHONI, RIZAL Fatihah, Ishma Fauziah Fauziah Geofakta Razali Indahsari, Tri Iskandar Fitri, Iskandar Komalawati, Euis Muhammad Ridwan Nur Hanifah Suwarta, Firdaus