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Ikbal
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Pengaruh Emulgator Terhadap Stabilitas dan Aktivitas Tabir Surya Krim Ekstrak Mahkota Dewa dan Kencur Jalil, Nur Khairi; Maulita Indrisari; Ikbal; Nurul Hikma
Jurnal Tumbuhan Obat Indonesia Vol. 18 No. 1 (2025): July 2025
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jtoi.v18i1.2633

Abstract

Paparan sinar ultraviolet (UV) yang berlebihan berpotensi menimbulkan kerusakan jaringan kulit, mempercepat penuaan, hingga meningkatkan risiko kanker kulit. Upaya pencegahan dilakukan melalui penggunaan tabir surya untuk membatasi penetrasi UV ke kulit. Dua sumber bahan aktif alami yang prospektif digunakan yaitu buah mahkota dewa dan rimpang kencur, buah mahkota dewa mengandung senyawa glukosida benzofenon yaitu phalerin dan rimpang kencur mengandung etil-parametoksisinamat yang merupakan senyawa turunan sinamat. Tujuan penelitian untuk menemukan konsentrasi emulgator yang optimal yang dapat meningkatkan stabilitas produk serta memperbaiki kinerja perlindungan terhadap sinar UV. Ekstrak diperoleh melalui proses maserasi menggunakan etanol96%, selanjutnya diformulasi dalam bentuk sediaan krim sebanyak 9 formula dengan variasi konsentrasi berbagai emulgator yaitu novemer, viscolam dan  tween 80-span 80 lalu dilakukan pengujian efektivitas tabir surya dari krim ekstrak dengan menghitung nilai %Te, %Tp, dan SPF. Hasil penelitian menunjukkan emulgator viscolam dengan konsentrasi 4% (formula VI) merupakan formula krim yang paling stabil berdasarkan parameter organoleptis, homogenitas, pH, tipe emulsi, viskositas, daya sebar serta daya lekat dan hasil pengujian tabir surya  dikategorikan sebagai proteksi ekstra dengan nilai %Te 3,83854 dan sunblock dengan nilai %Tp 2,703703 sedangkan nilai SPF 74,4323 yang memberikan efek proteksi ultra. Kata kunci: Ekstrak, Mahkota Dewa, Kencur, Emulgator, Tabir surya.
Ratio Legis Pembentukan Daerah Otonom Baru Provinsi Pulau Sumbawa di Nusa Tenggara Barat Ikbal; Firmanto, Taufik; Ma'arij, Amar
Jurnal Hukum Lex Generalis Vol 6 No 8 (2025): Tema Hukum Pemerintahan
Publisher : CV Rewang Rencang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56370/jhlg.v6i8.1656

Abstract

The establishment of Sumbawa Island Province as a new autonomous region (DOB) in West Nusa Tenggara reflects the spirit of decentralization and the aspirations of the community to achieve equitable development and efficient governance. This research uses a normative-juridical approach by examining relevant regulations, literature, and policy documents. The study shows that philosophically, the idea of ​​DOB is based on the principle of distributive justice, legally grounded in the 1945 Constitution and Law No. 23 of 2014, and sociologically supported by the demands of the Sumbawa Island community. However, administrative, economic, and human resource challenges demand a clear and sustainable development roadmap.
Pengaruh Kemudahan dan Harga Terhadap Keputusan Pembelian Mahasiswa Secara Online dengan Diskon sebagai Moderasi Frans Sudirjo; Ikbal; Muhammad Hasan Lubis; Laksono Edhi Lukito; Saddam Hussaen
El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam Vol. 5 No. 8 (2024): El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/elmal.v5i8.4612

Abstract

With the increasing development of technology, buying and selling businesses also follow technological development trends by using the internet network. Business people must always understand customer needs in order to attract customers' interest in buying, one of which is always following changes and rapid developments in business tastes. This type of research is quantitative research. This research aims to determine the effect of convenience and price on students' online purchasing decisions with discounts as moderation. The sampling technique in quantitative research is carried out randomly, data collection uses research instruments, statistical data analysis with the aim of testing predetermined hypotheses. The population in this study were students who had shopped online, consisting of 160 respondents. The results of this research found that convenience and price influence students' online purchasing decisions. Discounts as moderation are able to moderate the influence of convenience and price on students' online purchasing decisions.
Pengaruh Kemudahan dan Harga Terhadap Keputusan Pembelian Mahasiswa Secara Online dengan Diskon sebagai Moderasi Frans Sudirjo; Ikbal; Muhammad Hasan Lubis; Laksono Edhi Lukito; Saddam Hussaen
El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam Vol. 5 No. 8 (2024): El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam
Publisher : Intitut Agama Islam Nasional Laa Roiba Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47467/elmal.v5i8.4612

Abstract

With the increasing development of technology, buying and selling businesses also follow technological development trends by using the internet network. Business people must always understand customer needs in order to attract customers' interest in buying, one of which is always following changes and rapid developments in business tastes. This type of research is quantitative research. This research aims to determine the effect of convenience and price on students' online purchasing decisions with discounts as moderation. The sampling technique in quantitative research is carried out randomly, data collection uses research instruments, statistical data analysis with the aim of testing predetermined hypotheses. The population in this study were students who had shopped online, consisting of 160 respondents. The results of this research found that convenience and price influence students' online purchasing decisions. Discounts as moderation are able to moderate the influence of convenience and price on students' online purchasing decisions.
Rancang Bangun Inkubator Untuk Pengamatan Sorpsi Isotermis Berbasis Kaidah Exfert Hartono, Hartono; Muhidong, Junaedi; Ikbal
Jurnal Agritechno Jurnal Agritechno Vol. 16, Nomor 1, April 2023
Publisher : Depertemen Teknologi Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/at.v16i1.1182

Abstract

The isotherm shorpsi curve is essential for estimating drying time, packaging, and material stability during storage. Based on the static method, the equilibrium moisture content of the material is obtained in a state of still air at a constant temperature. This research aims to make an incubator with constant temperature control. The method used in this study consisted of several stages, namely the design and assembly of the device, sensor calibration, and temperature rise testing. The results of the calibration of the tool show an average value of R2 = 0.998. This value indicates that the temperature readings from the sensor used with the mercury thermometer readings are very close. The temperature rise in the storage room experiences a constant increase until it reaches the setting point.
Co-Authors Abdul Majid Refindo Abidin, Saenal Afinka Ramandani Nurhidayat Aflah Fadilah HD Agung Permana Aisyah , Andi Nur Akbar Marzuki Tahya Alfansyah Fathur Andi Husni Sitepu Ardiansyah, Ari Arief Eka Nugraha Balqis Shintarahayu Bukhari Burhan, Asril Deasy Antika Desmawan, Deris Dwi Arsita Mursalim, Dwi Arsita Mursalim Fardinal, Fardinal Febri Hikmah Frihatini Fiansi Fikri Khusaini Firmanto, Taufik Frans Sudirjo Hartono Hartono Hildawati Almah Ira Savira Iwan Alim Saputra Juliansyah Junaedi Muhidong Khairi, Nur Laksono Edhi Lukito Lismawati M. Rusydi Alwi Ma'arij, Amar MARDIANA Maria Ulfa Maulita Indrisari, Maulita Milani, Agus Moh. Mudassir Ali Muhamad Syahril Anwarudin Muhammad Hasan Lubis Muhammad Rinaldi Pratama Nur Inayah Nurazizah Nurul Hikma Rahimuddin Rahma Rahmah Nur Hidayah Rahmat, Sahbuddin Raihana Ramadhani Redika Cindra Reranta Rian Sopian Rifda Rachmanda Riska Amalia Rivai, H Ruzita Sumiati Saddam Hussaen Sapar Saputra, Ramadhani Sarnimah Selly Apriyani Sepriyanto Andika Putra Silvia Indah Sari Sintiya Elfariani Sunarti Syefi Ersya Agustin Tharisa Ayu Pranovcy Touku Umar Tyas Nabila Agustin Ulya, Moh. A’rijul Wanda Novia Adana Wanda, Sri Zulham, Zulham Zulkifli ⁠Anggraini Aprilia Putri ⁠Nur Apriani