• 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 ...

• Studi Pemodelan Dispersi Sulfur Dioksida dengan Menggunakan Metode Gaussian Distribution pada Peternakan Babi di Mandala 

  Pasaribu, Yessica Yoselyn (Universitas Sumatera Utara, 2025)

  A livestock can caused air pollution. One type of gas produced is sulfur dioxide (SO2). To measure the concentration of sulfur dioxide in the atmosphere can be done using the pararosaniline method. With this method, an ...

• Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Daun Flamboyan (Delonix regia (Bojer Ex Hook.) Raf.) 

  Utami, Ragil Tanya (Universitas Sumatera Utara, 2025)

  Flamboyan (Delonix regia (Bojer Ex Hook.) Raf.) is a plant that contains phytochemical compounds that have health benefits and are efficacious as medicinal ingredients. Isolation and identification of flavonoid compounds ...

• Karakteristik Briket Arang Tandan Kosong Kelapa Sawit dengan Perekat Berbahan Tepung Sagu, Tepung Maizena, dan Natrium Silikat 

  Sinthya, Sinthya (Universitas Sumatera Utara, 2025)

  The increase in fossil fuel use increases every year along with the growing activities of society, resulting in a decrease in the availability of fossil fuels. Biomass renewable energy sources have the potential to replace ...

• Pengaruh Variasi Massa Kalium Hidroksida dalam Aktivasi Arang terhadap Nilai Kalor Briket Arang Tempurung Kelapa 

  Zalukhu, Temazisokhi (Universitas Sumatera Utara, 2025)

  Research has been conducted on the effect of KOH mass variation in charcoal activation on the calorific value of coconut shell charcoal briquettes. KOH was used as an activator of coconut shell charcoal. The coconut shell ...

• Penggunaan Kitosan Kulit Udang Putih (Litopenaeus Vannamei) untuk menurunkan Kadar Logam Ai Dan Mn Pada Air Sungai Di Kawasan Tembung 

  Siregar, Syafwan Habib (Universitas Sumatera Utara, 2025)

  Heavy metal pollution such as aluminum (Al) and manganese (Mn) in water can have negative impacts on the environment and human health. Chitosan has active amino (NH2) and hydroxyl (OH) groups, which are able to adsorb ...

• Sintesis Basa Schiff melalui Reaksi Kondensasi Selulosa Dialdehida dari Tandan Kosong Kelapa Sawit dengan Metilamina Sebagai Wet Strength Agent 

  Doloksaribu, Rahel Argana (Universitas Sumatera Utara, 2025)

  This study examines the synthesis of Schiff bases through the condensation reaction of cellulose dialdehyde from empty palm bunches with methylamine as a wet strength agent. Cellulose dialdehyde was obtained from the ...

• Sintesis Selulosa Dialdehida Dari Tandan Kosong Kelapa Sawit Sebagai Wet Strength Agent 

  Damanik, Fadhila Natania (Universitas Sumatera Utara, 2025)

  Cellulose isolation from empty palm fruit bunches (EPFB) was conducted by adding 3.5% HNO3, 2% NaOH, and 1.75% Na2SO3, NaOCl, 10% H2O2. 18.160 g of cellulose was obtained. The cellulose was oxidized using NaIO4 with a ratio ...

• Pembuatan Karbon Aktif dari Tongkol Jagung dengan Aktivator Asam Sulfat (H2SO4) untuk Penyerapan Logam Mangan (Mn) pada Air Sumur Bor 

  Darsono, Sabina Putri (Universitas Sumatera Utara, 2025)

  The increase in industrial development often results in waste, chemicals, or leaks from factory infrastructure that have the potential to contaminate groundwater and compromise the quality of water from bore wells. In ...

• Isolasi dan Identifikasi Golongan Senyawa Flavonoida dari Kulit Batang Tumbuhan Ceremai (Phyllanthus acidus (L.) Skeels) 

  Tampubolon, Lysh Sunjaya (Universitas Sumatera Utara, 2025)

  The cherry plant (Phyllanthus acidus (L.) Skeels) is one of the herbs that has the potential as a medicine. One of the bioactive compounds that plays a role in this is flavonoids. Isolation and identification of flavonoid ...

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