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All Journal Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil Research Fair Unisri Konstanta : Jurnal Matematika dan Ilmu Pengelatuan Alam
Siti Zuraidah
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Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Immunology & microbiology Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences Transportation Other

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Peran Senyawa Kompleks Dalam Bidang Kesehatan: Review Artikel Chusnul Mar'iyah; Ayuni Setiawati; Mutia Malmar; Siti Zuraidah; Asti Junianti; Muhammad Jalaluding; Nurhadyati
RESEARCH FAIR UNISRI Vol 9 No 1 (2025): Research Fair UNISRI
Publisher : Universitas Slamet Riyadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/rsfu.v9i1.13157

Abstract

Senyawa kompleks memiliki peran penting dalam bidang kesehatan karena kemampuannya dalam membentuk struktur koordinasi antara logam pusat dan ligan, terutama logam transisi. Senyawa ini menunjukkan sifat kimia dan fisika yang unik sehingga banyak dimanfaatkan dalam aplikasi terapeutik, terutama sebagai agen antikanker, antibakteri, antimikroba, antivirus, hingga anti tuberkulosis. Artikel ini menyajikan tinjauan pustaka terhadap berbagai penelitian terkait pemanfaatan senyawa kompleks dalam bidang medis. Beberapa senyawa kompleks yang mengandung logam seperti Co(III), Pt(II), Fe(II), dan Mn(II) diketahui memiliki aktivitas biologis tinggi dan telah dikembangkan sebagai kandidat obat kemoterapi maupun antibakteri. Selain itu, senyawa seperti GdDTPA digunakan sebagai agen kontras dalam diagnosis MRI. Penelitian ini menggunakan metode studi literatur terhadap sumber nasional dan internasional untuk memberikan pemahaman komprehensif mengenai struktur, fungsi, serta potensi pengembangan senyawa kompleks dalam dunia medis. Hasil kajian menunjukkan bahwa senyawa kompleks tidak hanya menawarkan efisiensi terapeutik yang tinggi tetapi juga mendukung perkembangan teknologi farmasi yang lebih ramah lingkungan.
Skrining Fitokimia Daun Sukun (Artocarpus Altilis) Fit, Safitri Rahmat; Siti Zuraidah; Deswita Deswita; Kristina Tresia Leto
Konstanta : Jurnal Matematika dan Ilmu Pengetahuan Alam Vol. 3 No. 1 (2025): Jurnal Matematika dan Ilmu Pengelatuan Alam
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/konstanta.v3i1.4770

Abstract

Breadfruit (Artocarpus heterophyllus) leaves are widely used in traditional medicine in Southeast Asia. Phytochemical screening of breadfruit leaves showed that the plant is rich in chemical contents that have potential as a source of natural medicine. The biological activity of breadfruit leaf phytochemicals showed potential in the treatment of various diseases. The benefits of phytochemicals (Development of natural medicines, Discovery of new chemical compounds, Development of cosmetic and food products, Improvement of quality of life through the use of natural products and Conservation of rare and endemic plants). this research uses the method Phytochemical screening of breadfruit leaves involves several stages: Extraction, Fractionation, Identification. The results stated that breadfruit leaves contain Steroid / Terpenoid compounds which indicate positive results in concentrated green, Saponin negative results that only precipitate not, Tannin positive results in blackish color, Flaphonoid positive results in red color and Alkoloid positive results in brown color.  
Pemanfaatan Limbah Serat Alam Kulit Buah Kelor Sebagai Papan Komposit yang Diperkuat Polimer Unsaturated Polyester Resin Jayadin, Jayadin; Nisa, Kartini Rahman; Siti Zuraidah; Leto, Kristina Tresia; Coa, Sri Astuti Rahman; Nurhadyati, Nurhadyati; Mujiburohman, Muhammad; Hikmatiar, Hamzarudin
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 9 No. 2 (2025)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v9i2.17786

Abstract

The use of Composite Materials with natural fiber reinforcement is starting to be widely known in the manufacturing industry, environmentally friendly and recyclable materials. Composites are made to obtain lightweight structures, have higher strength or stiffness, energy absorption and design, have low prices and natural fibers are also easy to obtain, especially moringa fruit skin which is very abundant in the East Nusa Tenggara region, especially in Sikka Regency. This study aims to determine the Bending strength, impact energy and seawater absorption capacity. The research materials are moringa fruit skin fiber and polyester resin. Moringa fruit skin fiber is a waste that is rarely used so it can be a serious waste. This specimen is used with the Cold Compressing Molding method (Molds that are loaded at room temperature). The results of the study showed optimal conditions at a volume fraction of 25%, providing the highest Bending strength of 8,888 MPa, the highest impact energy of 0.196 J / mm2, and the lowest seawater absorption value of 0.79%.
Co-Authors Asti Junianti Ayuni Setiawati Chusnul Mar'iyah Coa, Sri Astuti Rahman Deswita Fit, Safitri Rahmat hikmatiar, hamzarudin Jayadin Kristina Tresia Leto Kristina Tresia Leto Muhammad Jalaluding Mujiburohman, Muhammad Mutia Malmar Nisa, Kartini Rahman Nurhadyati Nurhadyati, Nurhadyati