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All Journal Althea Medical Journal Indonesian Journal of Science and Technology ASEAN Journal for Science and Engineering in Materials
Rahmadianti, Salma
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology

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The Deployment of Drones in Sending Drugs and Patient Blood Samples COVID-19 Anggraeni, Sri; Maulidina, Aulia; Dewi, Mauseni Wantika; Rahmadianti, Salma; Rizky, Yulian Putri Chandra; Arinalhaq, Zulfa Fathi; Usdiyana, Dian; Nandiyanto, Asep Bayu Dani; Al-Obaidi, Abdulkareem Sh. Mahdi
Indonesian Journal of Science and Technology Vol 5, No 2 (2020): IJOST: VOLUME 5, ISSUE 2, 2020
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijost.v5i2.24462

Abstract

At present, most countries all over the world are being hard hit by the COVID-19 pandemic and some even are being hit harder than others. This condition has caused widespread disruption of the economic, social, and educational systems in those countries.  Under these conditions, transportation systems also need to be considered. There are problems of distribution of drugs and kits of test equipment to areas far from large cities in the center of the corona pandemic due to access difficulty. Remote locations, being difficult to reach, make the distribution of drugs and equipment for rapid testing uneven so that the recovery rate of patients in the area has a low percentage. Meanwhile, it is essential to ensure the availability of drugs and rapid test equipment in every public health center in all directions of Indonesia. One possible solution is the use of drones to distribute these things to areas that are difficult to reach. This solution is expected to at least improve healing and reduce mortality for patients infected with COVID-19 in remote areas.
Antioxidant Gel from Brown Algae (Ascophyllum nodosum) and Binahong Leaves for Diabetic Wound Healing Rahmadianti, Salma; Sofianty, Irine; Aslamiah, Lisa; Insan, Febrian Khoirul; Sihombing, Maria Engzelita; Nuraini, Vidia Afina; Hernawati, Hernawati
Althea Medical Journal Vol 10, No 4 (2023)
Publisher : Faculty of Medicine Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15850/amj.v10n4.3040

Abstract

Background: Diabetic wounds are difficult to treat, causing persistent infections and often leading to limb amputation. One convenient way to manage diabetic wounds is by applying wound dressings. This study aimed to develop a wound dressing in form of a gel containing brown algae and binahong leaf extract for diabetic wound dressings.Methods:  This study was an experimental study conducted in the Organic Chemistry Laboratory of Universitas Pendidikan Indonesia from June to September 2022. As many as 33 mice induced by alloxan were divided into 9 groups consisting of application of brown algae extract gel, binahong lead extract gel and a mixture of brown algae, and binahong leaf extract gel with the concentration of 2.5%, 5%, and 10% respectively. All treatments were given within 7 days. Laboratory data collected included phytochemical screening, total phenolic compound, antioxidant activity and organoleptic test.Results: Brown algae and binahong leaf extracts had a high total phenolic content of 331.25 mg GAE/g and 207.01 mg GAE/g, respectively with antioxidant activity of IC50 = 327.33 µg/mL and 209.30 µg/mL, respectively. It was found that brown algae and binahong leaf extracts could accelerate wound closure in a diabetic mouse model. Gel formulation with 10% w/w brown algae extracts presented 91.66% of wound closure, two times greater than treatment with commercial drugs.Conclusion:  The developed gel containing brown algae and binahong leaf extracts can be a promising wound dressing for healing diabetic wounds.
Techno-Economic Evaluation of Gold Nanoparticles Using Banana Peel (Musa Paradisiaca) Maratussolihah, Permata; Rahmadianti, Salma; Tyas, Kanthi Pawening; Girsang, Gabriela Chelvina Santiuly; Nandiyanto, Asep Bayu Dani; Bilad, Muhammad Roil
ASEAN Journal for Science and Engineering in Materials Vol 1, No 1 (2022): AJSEM: Volume 1, Issue 1, March 2022
Publisher : Bumi Publikasi Nusantara

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Abstract

Biosynthesis of gold nanoparticles using banana peels is considered more economical and has been proven to produce gold nanoparticles that have various applications in the medical field. Therefore, the production of gold nanoparticles needs to be developed on an industrial scale. This paper aims to determine the feasibility of a gold nanoparticle biosynthesis project using banana peels on an industrial scale. The economic evaluation method uses an analysis of several economic evaluation parameters such as GPM (Gross Profit Margin), BEP (Break-Even Point), CNPV (Cumulative Net Present Value), PBP (Payback Period), and PI (Profitability Index). The results show that on an industrial scale, it is assumed that the amount of AuNP production in one year is 120 L. The total price required for production in one year is 3,125,204.84 USD with annual sales of 3,240,000 USD so that the total price is 114,795.16 USD per year. Under ideal conditions, the PBP analysis shows that the project will have a profit in the 3rd year, and the PI analysis shows that the initial capital costs can be covered since the 4th year. The results of the analysis in some non-ideal conditions indicate that project losses will occur. Based on the economic evaluation, it can be concluded that the production of industrial-scale gold nanoparticles by biosynthetic methods using banana peels can be carried out with anticipation of losses that will occur due to changes in some ideal conditions.
Co-Authors Al-Obaidi, Abdulkareem Sh. Mahdi Arinalhaq, Zulfa Fathi Asep Bayu Dani Nandiyanto Aslamiah, Lisa Bilad, Muhammad Roil Dewi, Mauseni Wantika Dian Usdiyana Girsang, Gabriela Chelvina Santiuly Hernawati Hernawati Insan, Febrian Khoirul Maratussolihah, Permata Maulidina, Aulia Nuraini, Vidia Afina Rizky, Yulian Putri Chandra Sihombing, Maria Engzelita Sofianty, Irine Sri Anggraeni Tyas, Kanthi Pawening