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All Journal RACIC : Rab Construction Research SANITAS: Jurnal Teknologi dan Seni Kesehatan Journal Of Carbazon
Dodi Irwandi, Dodi
Unknown Affiliation
Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Environmental Science Health Professions Materials Science & Nanotechnology Medicine & Pharmacology Public Health

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ANALISA KELAYAKAN PADA INVESTASI HOTEL NOVOTEL DI KOTA PEKANBARU Ramdhani, Fitra; Irwandi, Dodi; Harfia, Novreta Ersyi; Basri, Doni Rinaldi
RACIC: Jurnal Teknik Sipil Universitas Abdurrab Vol 1 No 02 (2016): Terbitan Kedua Desember 2016
Publisher : Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (789.959 KB)

Abstract

Tujuan utama dari penelitian ini adalah untuk menganalisa kelayakan investasi pembangunan Hotel Novotel Pekanbaru dengan cara mengevaluasi dana yang masuk, menghitung masa pengembalian dana serta menghitung masa penerimaan keuntungan. Metode yang digunakan yaitu metode Net Present Value (NPV), Benefit Cost Ratio (BCR), Internal Rate of Return (IRR), dan Payback Period (PBP).. Hasil Utama dari penelitian ini adalah Nilai Net Present Value dengan discount rate 15,01% adalah sebesar Rp 21.372.648.415 > 0, nilai Benefit Cost Ratio adalah 1,05455 > 1, dan nilai Internal Rate of Return sebesar 16,61% > 15,01%, serta Payback Period adalah 8 tahun 7 bulan. Dari semua metode tersebut menunjukan bahwa investasi pembangunan Hotel Novotel Pekanbaru layak untuk dilaksanakan dan akan mendatangkan keuntungan finansial bagi investor atau perseroan.
Formulation Antiseptics Artisan Soap From Extract Secang Wood (Caesalpinia sappan L.) And Kaffir Lime Leaves (Citrus hystrix DC.) Nugroho, Priyanto Dwi; Latirah, Latirah; Irwandi, Dodi
SANITAS: Jurnal Teknologi dan Seni Kesehatan Vol 14 No 2 (2023): SANITAS Volume 14 Nomor 2 Tahun 2023
Publisher : Politeknik Kesehatan Kemenkes Jakarta II

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36525/sanitas.2023.407

Abstract

Solid soap as a body skin cleanser can be used as a souvenir. Kaffir lime leaves and sappanwood are natural ingredients and contains good anti-bacterial compound. This paper aims to explain how to make solid soap with shape of watermelon using thick extracts of kaffir lime leaves and sappanwood with a concentration of 1%. Kaffir lime leaf and sappanwood extracts were each made by soaking 300 g of powder in 500 mL pro analysis ethanol solvent for 48 hours and thickening using a rotary evaporator at a temperature of approximately 50 °C. The soap is made using the cold method (cold process). The research results showed that the soap had a fresh smell, solid shape, soft texture and color resembling the shape of a watermelon. Has a pH of 9.8 ± 0.4 and free fatty acids of 1.39 ± 0.2, according SNI Soap. Artisan soap is also antiseptic and able to inhibit Escherichia coli and Staphylococcus aureus bacteria.
Montmorillonite-Chitosan as a Biocomposite Encapsulation for Ibuprofen in Drug Release Afifi, Muhammad Ridho; Irwandi, Dodi; Safitri, Eka; Syafei, Dedri; Ngapa, Yulius Dala
Journal of Carbazon Vol 2, No 2 (2024): December 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jocarbazon.v2i2.42149

Abstract

Ibuprofen is a type of anti-inflammatory drug. However, its use faces challenges in the medical field due to its rapid degradation, low bioavailability, limited solubility, and high permeability. One approach to address these issues is the encapsulation of ibuprofen by coating it with Montmorillonite (MMT) and Chitosan (CS) to control the released dosages of Ibuprofen. MMT and CS were used to coat ibuprofen using four methods. These methods were compared through dispersing MMT in water, mixing with chitosan, and combining ibuprofen under different conditions. Subsequently, tests were conducted on ibuprofen coated with MMT-CS, including morphology, efficiency, and release profile. The most effective method for controlling ibuprofen release was shown in the third method, where MMT-CS was first modified, and then ibuprofen was added to the modified MMT-CS. This method showed the highest encapsulation efficiency of 61.51%, the best release profile with 21.59% ibuprofen release within 90 minutes, and the most uniform encapsulation morphology. These studies indicated that the MMT-CS biocomposite effectively improves ibuprofen release efficiency, potentially enhancing therapeutic outcomes while reducing side effects of ibuprofen.
Co-Authors Afifi, Muhammad Ridho Dedri Syafei Doni Rinaldi Basri Eka Safitri Fitra Ramdhani, Fitra Latirah, Latirah Novreta Ersyi Darfia Nugroho, Priyanto Dwi Yulius Saprianus Dala Ngapa