Browsing Doctoral Dissertations by Issue Date
Now showing items 1-20 of 24
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Respon Pertumbuhan, Produksi, dan Kandungan Gizi pada Tanaman Kedelai Hitam [Glycine max (L.) Merr.] melalui Sistem Tanam Multi Kanopi
(Universitas Sumatera Utara, 2024)Black soybean [Glycine max (L) Merr is one of the legumes that has more anthocyanin content and has a longer shelf life than yellow soybean The increasing demand for soybean is not balanced with productivity, production ... -
Analisis Kestabilan Genetik Embrio Somatik Kelapa Sawit (Elaeis guineensis Jacq.) Hasil Kultur Suspensi
(Universitas Sumatera Utara, 2024)The regeneration pathway through in vitro oil palm plants (Elaeis guineensis Jacq.) has so far been through somatic embryogenesis, as this process is capable of producing embryos with bipolar structures resembling zygotic ... -
Analisis Apoptosis Jalur Ekstrinsik pada Karsinoma Sel Skuamosa Rongga Mulut Tikus (Rattus norvegicus) dengan Pemberian Nanoherbal Sikkam (Bischofia javanica) dan Mahkota Dewa (Phaleria macrocarpa)
(Universitas Sumatera Utara, 2024)Oral squamous cell carcinoma (OSCC) is a common type of cancer in the head and neck region, particularly prevalent in Southeast Asia due to the consumption of tobacco with betel and areca nuts. In tobacco, Benzo(alpha)pyrene ... -
Marchantiophyta di Kawasan Hutan Batang Toru Blok Barat Sumatera Utara
(Universitas Sumatera Utara, 2023)Mosses are a group of low plants and a part of biodiversity that has not received much attention. One area of North Sumatra that has never been reported on liverwort data is from the West Block Batang Toru Forest. This ... -
Resiliensi Karang di Kawasan Konservasi Pesisir Timur Pulau Weh Kota Sabang, Provinsi Aceh
(Universitas Sumatera Utara, 2023)Corals frequently face threats from natural conditions such as bleaching. Bleaching events occurred in the waters surrounding Weh Island in 2010 and 2016, resulting in a decline in coral health. Therefore, it is crucial ... -
Kualitas Air Danau Toba Menurut Ruang dan Waktu Berdasarkan Faktor Fisika Kimia Lingkungan dan Komunitas Fitoplankton
(Universitas Sumatera Utara, 2022)The purpose of this study was to analyze the water quality of Toba Lake based on the physics-chemical properties of the waters, the phytoplankton community, and the relationship between the physico-chemical factors of the ... -
Analisis Efektivitas Nanoherbal Buah Andaliman (Zanthoxylum Acanthopodium) dan Nanoherbal Daun Haramonting (Rhodomyrtus Tomentosa) terhadap Luka Bakar Tikus (Rattus Norvegicus L.) Diabetes Mellitus
(Universitas Sumatera Utara, 2022)The prolonged burn wound healing time caused by hyperglycemia has caused damage or decreased production of cytokines, including growth factors and receptors, thus interfering with macrophage function, angiogenesis, ... -
Analisis Vegetasi dan Identifikasi Tumbuhan Asing Invasif di Taman Wisata Alam (TWA) Sicike-Cike Sumatera Utara
(Universitas Sumatera Utara, 2022)Invasive alien plants are plant species that native species and diversity of plants species. The aims of the study were to analyze sustainability of tree vegetation types, demographic analysis of Rhododendron malayanum in ... -
Etnobotani dan Etnoekologi Masyarakat Parmalim di Kabupaten Samosir dan Toba Sumatera Utara
(Universitas Sumatera Utara, 2022)Parmalim is an original belief of the Batak tribe that grows, develops, and has been held since time immemorial. The hallmark of the Parmalim people is their local wisdom in protecting nature. This research aimed to: 1) ... -
Lumut Hati (Marchantiophyta) di Gunung Sibuatan Sumatera Utara
(Universitas Sumatera Utara, 2022)Sumatran liverworts, especially the North Sumatra, are less well known than the liverworts in Java and other region of Malesia. A study on liverworts has been conducted at Mount Sibuatan, North Sumatra, to provide data ... -
Analisis ekspresi protein transduksi sinyal pada tikus (Rattus novergius) preeklampsia dengan pemberian nanoherbal buah andaliman (Zanthoxylum acanthopodium) dan Extra Virgin Olive Oil (EVOO)”
(Universitas Sumatera Utara, 2021)Preeclampsia is hypertension in pregnancy that can interfere with fetal growth as well as disruption of the cellular conservative mechanism of signal transduction (autophagy). Andaliman is an endemic plant from North ... -
Pengaruh Ekstrak Metanol Buah Andaliman (Zanthoxylum acanthopodium DC.) Terhadap Sel Kanker Serviks Tikus (Rattus novergicus) yang Diinduksi Benzoapyren
(Universitas Sumatera Utara, 2021)Background: the potential of local plants North Sumatra that are beneficial for health, still many have not studied primarily as medicine herbs for healing cancer, one of which is plants andaliman (Zanthoxylum acanthopodium). ... -
Eksplorasi Jamur Endofit Asal Zingiberaceae Sumatera Utara Sebagai Penghasil Senyawa Bioaktif
(Universitas Sumatera Utara, 2021)Studies on the diversity of microbial communities, namely endophytic fungi are still limited, especially those originating from Zingiberaceae. This study aimed to obtain potential candidates of endophytic fungal isolates ... -
Analisis Imunostimulan Ekstrak Etanol Daun Pirdot (Saurauia vulcani Korth.) pada Tikus (Rattus norvegicus L.)
(Universitas Sumatera Utara, 2020)The purpose of this study was to analyze ethanol extract of pirdot leaves in rats. The parameters evaluated were rat erythrocytes, leukocytes, lymphocytes, IgG, Interleukin-2, activity, spleen histopathology, liver ... -
Potensi Keratinase Jamur dan Bakteri Asal Sumatra Utara
(Universitas Sumatera Utara, 2020)Keratinolytic fungal activities can be utilized in the hydrolysis process of keratin waste as an alternative biotechnology to recycle and improve sales value. The present inquiry was done to isolate keratinolytic fungi ... -
Peranan Makrozoobentos Sebagai Bioindikator Kualitas Air di Sungai Bilah Labuhanbatu
(Universitas Sumatera Utara, 2019)Bilah river is the largest river is of Labuhanbatu Regency, North Sumatra Province. This river is a large river and there are many community activities, such as sand mining, Source of Drinking water companies (PAM), ... -
Analisis Pertumbuhan dan Bioreproduksi Tiram Daging (Crassostrea gigas) di Perairan Pesisir Kota Banda Aceh
(Universitas Sumatera Utara, 2019)Tiram merupakan salah satu komoditas perikanan yang diminati oleh masyarakat Aceh, termasuk di Kota Banda Aceh. Eksploitasi berupa penangkapan berlebihan dan pencemaran pada perairan menyebabkan penurunan kuantitas maupun ... -
Faktor Utama Yang Memengaruhi Ekologi Gastropoda Di Sungai Babura Sumatera Utara Indonesia
(Universitas Sumatera Utara, 2019)Gastropoda adalah hewan yang berjalan dengan perutnya, hidup di berbagai habitat dan kinerja kehidupannya dipengaruhi oleh faktor lingkungan, yang berperan dalam siklus nutrien. Gastropoda banyak yang menjadi hospes, tetapi ... -
Pengaruh Pemberian Evoo Terhadap Kadar MDA Plasma dan Ekspresi Protein Hsp70, Bcl-2 pada Tikus Putih (Rattus norvegicus) Bunting Model Preeklampsia
(Universitas Sumatera Utara, 2018)Preeclampsia or hypertension in pregnancy is one of the causes of maternal death, and it tends increasing One of the causes of preeclampsia is an imbalance of antioxidants in the body and can be prevented by giving EVOO, ... -
Biosistematika Gandaria (Bouea) di Indonesia
(Universitas Sumatera Utara, 2017)Penelitian ini bertujuan untuk mengidentifikasi variasi marga Bouea berdasarkan karakter morfologi, molekuler menggunakan penanda ISSR (Inter Space Simple Repeat), kekerabatan menggunakan penanda cpDNA sekuen trnL-F ...