• Pembuatan Butil Dekanoat dari Esterifikasi Butanol dan Asam Dekanoat pada Perbandingan Waktu Reaksi dan Daya Microwave Menggunakan Katalis Enzim Lipase 

  Simangunsong, Elfrina S (Universitas Sumatera Utara, 2025)

  The production of Butyl Decanoate from Butanol and decanoic acid has been carried out through an esterification reaction using lipase enzyme as a catalyst and microwave radiation. The parameters studied in this study were ...

• Formulasi Sediaan Patch Ekstrak Etanol Daun Kenikir (Cosmos caudatus Kunth.) sebagai Penghambat Bakteri Propionibacterium acnes 

  Janiah, Suri (Universitas Sumatera Utara, 2025)

  Patch preparation is a transdermal drug delivery system that is applied to the skin surface to provide local and systemic therapeutic effects. This study aims to develop a patch formulation containing ethanol extract of ...

• Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Kulit Batang Kamala Merah (Mallotus Philippensis (Lam.) Müll.Arg) 

  Girsang, Neta Nia (2025)

  Isolation and identification of flavonoid compounds from the bark of red kamala (Mallotus Philippensis (Lam.) Müll.Arg) has been carried out through maceration extraction stages using methanol solvent. The methanol extract ...

• Uji Aktivitas Antioksidan Fraksi Etil Asetat dan Identifikasi Golongan Senyawa Flavonoida dari Kulit Buah Aren (Arenga Pinnata (Wurmb) Merr) 

  Sianipar, Rini Juita (2025)

  Isolation and identification of flavonoid compounds from the skin of sugar palm fruit (Arenga pinnata (Wurb.) Merr) were carried out through maceration extraction using methanol solvent, followed by partition extraction ...

• Analisis Pupuk Majemuk dengan Penambahan Variasi Asam Fulvat terhadap Pertumbuhan Tanaman Sawi Hijau ( Brassica juncea L. ) 

  Sitinjak, Marisa Purwati (Universitas Sumatera Utara, 2025)

  This research was about the effect of adding variations of fulvic acid to compound fertilizer on the growth of mustard greens (Brassica juncea L.). The study was conducted with the aim of analyzing whether the N, P, and K ...

• Uji Aktivitas Antioksidan Fraksi Etil Asetat dan Identifikasi Golongan Senyawa Flavonoida dari Kulit Buah Srikaya Hijau (Annona squamosa. L) 

  Siagian, Chyndy Mirnawati Ria Siagian (Universitas Sumatera Utara, 2025)

  Green soursop.(Annona squamosa. L) is oneyof the tropical plants that is often used in traditional medicine and has a content of secondaryymetabolite compounds, including flavonoids that have the potentialyas natural ...

• Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Kulit Batang Matoa (Pometia pinnata J.R. Forst & G. Forst) 

  Kurniasari, Rizka (Universitas Sumatera Utara, 2025)

  Traditionally,matoa plant was utilized as a medicinal remedy by local communities. The benefits of matoa are associated with the presence of secondary metabolites, namely flavonoids. The isolation and identification of ...

• Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Biji Buah Namnam (Cynometra cauliflora L.) 

  Tanjung, Tasnidar Ulfa (Universitas Sumatera Utara, 2025)

  Cynometra cauliflora L. is a plant species in the Fabaceae family that had potential as a source of bioactive compounds, but phytochemical studies on its seeds were still limited. This study aims to isolate and identify ...

• Karakterisasi Biofilm Non Toksik dan Berkestabilan Termal Berbasis Karboksimetilselulosa dan Selulosa Bakteri Teh Kombucha dengan Gliserol Sebagai Plasticizer 

  Madiha, Muzayyana (Universitas Sumatera Utara, 2025)

  Biofilm is a thin film made from a biopolymer or natural material which has the potential as an edible film. This research aims to make biofilms based on carboxymethylcellulose and bacterial cellulose with glycerol as a ...

• Modifikasi Pati Ubi Jalar Putih (Ipomoea Batatas-Linneaus) melalui Ikat Silang dengan Natrium Tripolifosfat 

  Sijabat, Lidia (Universitas Sumatera Utara, 2025-07-09)

  Modification of sweet potato starch phosphate has been done through cross-linking reaction between white sweet potato starch (Ipomoea Batatas-Linneaus) with sodium tripolyphosphate (STPP). This research was conducted in ...

• Studi Pembuatan Zat Aditif Bahan Bakar Gasolin dari Hidrogenolisis Gliserol dengan Katalis Nikel Klorida 

  Ambarita, Imelda Deborah (Universitas Sumatera Utara, 2025)

  The use of glycerol, a by-product of the biodiesel industry, as a raw material for making fuel additives is one of the solutions in the development of renewable energy. This study aims to synthesize the compounds of acetyl ...

• Pembuatan 2-Etilheksil Laurat dari Esterifikasi Asam laurat dan 2-Etilheksanol Pada Perbandingan Rasio Mol dan Berat Enzim Lipase Menggunakan Radiasi Mikrowave 

  Fathurrahman, Try Bagas (Universitas Sumatera Utara, 2025)

  The production 2-Ethylhexyl Laurate from esterification reaction of Lauric acid with 2-ethylhexanol with lipase enzyme as catalyst under microwave irradiation has been conducted. The parameters studied in this study were ...

• Analisis Logam Tembaga (Cu) dan Seng (Zn) pada Bubuk Kopi (Coffea spp.) dari Home Industri di Kecamatan Melati Diski 

  Lubis, Tasya Asshaumi (Universitas Sumatera Utara, 2025)

  This study aims to analyze the levels of copper (Cu) and zinc (Zn) in coffee powder (Coffea spp.) produced by home industries in Melati Diski District, North Sumatra. The samples were analyzed using the dry destruction ...

• Pemanfaatan Ekstrak Etanol Daun Kemuning (Murraya paniculata L. Jack) pada Sediaan Masker Gel 

  Santy, Nanda Tiara (Universitas Sumatera Utara, 2025)

  The kemuning (Murraya paniculata L. Jack) plant grows wild in shrubs, forest edges, or is planted as an ornamental plant and hedge plant. Yellow leaves are known for their traditional benefits for smoothing the skin. ...

• Sintesis Poliol melalui Reaksi Epoksidasi dan Hidroksilasi Minyak Goreng Bekas pada Variasi Waktu Reaksi dan Kecератаn Pengadukan Menggunakan Homoginezer 

  Manurung, Ray Solana (Universitas Sumatera Utara, 2025)

  Synthesis of polyol compounds from used cooking oil has been carried out through two reaction stages, namely epoxidation and hydroxylation. These polyol compounds have the potential as intermediates or precursors for the ...

• Analisis Kadar Logam Kadmium (Cd) pada Kubis Putih (Brassica Oleracea L.) Menggunakan Metode Destruksi Basah Secara Spektroskopi Serapan Atom (SSA) 

  Nabila, Dina Erdianti (Universitas Sumatera Utara, 2025)

  Farmers in Namorambe District, Deli Serdang Regency, are still heavily dependent on the intensive use of inorganic fertilizers in their cultivation practices, including for white cabbage (Brassica oleracea L.). Excessive ...

• Analisis Pupuk Tabur Dengan Variasi Penambahan Asam Humat Terhadap Pertumbuhan Sawi Hijau (Brassica juncea L.) 

  Situmorang, Chyntia Fany (Universitas Sumatera Utara, 2025)

  Research on the analysis of the effect of varying humic acid additions to granular fertilizer on the growth of mustard greens (Brassica juncea L.) was conducted with the objectives of (1) analyzing the effect of humic acid ...

• Sintesis Membran Selulosa Asetat dari Nata De Coco dengan Penambahan Diklorometana menggunakan Metode Inversi Fasa 

  Hutagaol, Abed Nego (Universitas Sumatera Utara, 2025)

  This study aims to synthesize and characterize cellulose acetate membranes derived from nata de coco with the addition of dichloromethane (DCM) using the phase inversion method. Nata de coco was selected due to its high ...

• Karakteristik Elektroda Termodifikasi Kitosan/GQDs/MnO2 dalam Mengukur Kolesterol dengan Metode Voltametri Siklik 

  Hardana, Diva Putri (Universitas Sumatera Utara, 2025)

  Chitosan/graphene quantum dots (GQDs)/manganese dioxide (MnO₂) modified electrode was successfully employed for cholesterol measurement using the cyclic voltammetry method. The incorporation of MnO₂ was proven to enhance ...

• Sensitivitas dan Limit Deteksi Elektroda Termodifikasi Kitosan/GQDs/Fe3O4 dalam Mengukur Konsentrasi Kolesterol Menggunakan Metode Voltametri Siklik 

  Suri, Raisya Shabira (Universitas Sumatera Utara, 2025)

  In this research, the chitosan/GQDs/Fe3O4 modified electrode has been successfully carried out in measuring cholesterol using the cyclic voltammetry method. The chitosan/GQDs/Fe3O4 modified electrode was fabricated ...

View more