Department of Biology: Recent submissions
Now showing items 641-660 of 1255
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Pertumbuhan Sawi Samhong (Brassica juncea L.) dengan Nutrisi POC Limbah Tahu Pada Sistem Hidroponik Wick
(Universitas Sumatera Utara, 2022)Research on the growth of mustard samhong (Brassica juncea L.) with liquid organic fertilizer (LOF) nutrients from tofu waste in the Wick hydroponic system has been carried out from October to December 2021 at the Aceh ... -
Pengaruh Nanoherbal Daun Biwa (Eriobotrya japonica (Thunb.) Lindl.) terhadap Aktivitas Antiinflamasi Pada Tikus (Rattus norvegicus) yang diinduksi Karagenan
(Universitas Sumatera Utara, 2022)Inflammation is a body’s protective response to injury or tissue injury caused by the presence of pathogenic agents and foreign objects, physical trauma, or harmful chemicals. Loquat leaf nanoherbs are used because of ... -
Jenis dan Prevalensi Endoparasit Pada Kerbau (Bubalus bubalis) yang dipelihara Secara Semi Intensif di Desa Selamat, Kabupaten Deli Serdang, Sumatera Utara
(Universitas Sumatera Utara, 2022)This research was conducted on April 2022. The sampling was carried out by taking freshly feces from 11 buffaloes. The purpose of this study was to determine the type, prevalence and the intensity of endoparasite attacked ... -
Pengaruh Pemberian Ekstrak Daun Pepaya (Carica papaya L.) terhadap Pigmen Melanin Kulit Mencit (Mus musculus L.) Hitam Model Vitiligo
(Universitas Sumatera Utara, 2022)Research has been carried out on the utilization of flavonoid compounds from papaya leaf extract as a tyrosinase inhibitor in the process of skin pigmentation. This study aims to determine the effect of papaya leaf extract ... -
Pengaruh Nano Herbal Buah Andaliman (Zanthoxylum acanthopodium Dc.) terhadap Aktivitas Antiinflamasi Pada Tikus Putih (Rattus norvegicus) yang diinduksi Karagenan
(Universitas Sumatera Utara, 2022)Inflammation is a local protective response caused by injury or damage to tissue that serves to destroy, reduce, or localize (sekuster) both the injuring agent and the damaged tissue. Andaliman fruit is believed to have ... -
Pengaruh Ekstrak Metanol Biji Pare (Momordica charantia L.) dan Depo Medroksi Progesteron Asetat Terhadap Kadar Gula Darah, Libido dan Jumlah Anak Tikus Putih Jantan Putih
(Universitas Sumatera Utara, 2015)The extract methanol of seed bitter melon (Momordica charantia L.) combined with Depot Medroxy Progesterone Acetate (DMP A) is one alternative to the expected safe and reversible male contraceptive agent. This study aims ... -
Keanekaragaman Makroarthropoda Tanah Akibat Limbah Cair PKS di Kebun PTPN III Sei Mangkei Kabupaten Simalungun
(Universitas Sumatera Utara, 2011)Research about “ The Diversity of Soil Macroarthropoda Caused by Liquid Waste of Palm Oil Plant in Plantation of PTPN III Sei Mangkei Simalungun” was done in June 2010. The sampling point is determined using Purposive ... -
Kepadatan, Pola Distribusi dan Pola Pertumbuhan Udang Putih (Penaeus Merguiensis De Man) di Perairan Estuari Suaka Margasatwa Karang Gading Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2022)Research on the density, distribution pattern and growth pattern of white shrimp (Penaeus merguiensis de Man) in the Estuary Waters of the Karang Gading Wildlife Reserve, Deli Serdang Regency was carried out from June to ... -
Aktivitas Biosurfaktan Bakteri Filosfer Tanaman Berlapis Lilin
(Universitas Sumatera Utara, 2022)Using compound hydrocarbon oil earth as the source of energy cause vulnerable contamination compound it in the environment. To remove contamination the required compounds that can lower the voltage surface. Biosurfactant ... -
Purifikasi Parsial Enzim Karbofuran Hidrolase dari Strain Lokal Pseudomonas
(Universitas Sumatera Utara, 2022)The use of pesticides has reached an alarming level in Indonesia. This study aims to purify hydrolase enzyme and to determine the highest purification value of enzyme fractionation that plays a role n the decomposition of ... -
Prevalensi Ektoparasit Pada Kambing Saanen (Capra aegagrus hircus.) yang diberi Ransum Daun Pepaya (Carica papaya L.) dan Konsentrat di Kecamatan Sunggal, Kabupaten Deli Serdang, Sumatera Utara
(Universitas Sumatera Utara, 2022)Feed concentrate and feed have different textures and nutrition contents which can potentially affect on ectoparasites infection. Accumulation of leftover feed and poor sanitation in cages are factors that can potentially ... -
Variasi Morfologi Kepundung (Baccaurea recemosa Muell. Arg) di Sumatera Utara Bagian Selatan
(Universitas Sumatera Utara, 2016)The research about morfological and ecological variation of kepundung in southern North Sumatera had been carried out in order to get the data about morphological and ecological kepundung in North Sumatera from December ... -
Pemanfaatan Mikroorganisme Lokal (MOL) Buah Pepaya (Carica Papaya) dalam Meningkatkan Pertumbuhan Tanaman Padi (Oryza Sativa L.)
(Universitas Sumatera Utara, 2022)MOL (Local Microorganisms) derived from natural ingredients such as papaya fruit that is almost rotten can be used as biological fertilizer to increase the growth of rice plants. This study aims to determine the population ... -
Skrining dan Optimasi Kemampuan Jamur Endofit Tanaman Serai (Cymbopogon Nardus) Menghasilkan Senyawa Lovastatin
(Universitas Sumatera Utara, 2022)Several types of fungi are known to be able to produce lovastatin that can be used as cholesterol-lowering drugs so that they can reduce the risk caused by high cholesterol levels in the blood. This study aimed to obtain ... -
Keanekaragaman Makrozoobentos Sebagai Bioindikator Kualitas Air di Aliran Sungai Bilah Rantauprapat
(Universitas Sumatera Utara, 2012)Sungai bilah is lhe largest river is of rantauprapat labuhanbatu North Sumatra Province and is located right in the densely populated urban areas. There are so many community activities that take place such as the Baths, ... -
Keanekaragaman Makrozobentos sebagai Bioindikator Perairan Sungai Batang Toru Kabupaten Tapanuli Selatan
(Universitas Sumatera Utara, 2011)Batang toru river is one of the largest river in the South Tapanuli, with a length of 69.32 km. Downstream, the current beach ends into the sea after the first split the water into the lake Siais, where as upstream Batang ... -
Perbandingan Proporsi Garis Simian, Pola dan Jumlah Rigi Sidik Jari pada Kelompok Retardasi Mental dan Kelompok Normal
(Universitas Sumatera Utara, 2006)The objective of this study was to obtain the proportion of Simian line, fingerprints patterns and the total ridge count in the mentally retarded and the normal group. The study had been done in Yayasan Pembinaan Anak ... -
Studi Ekologi Ficus Spp. dan Potensi Pemanfaatannya oleh Masyarakat Karo di Hutan Tangkahan Kabupaten Langkat Sumatera Utara
(Universitas Sumatera Utara, 2022)Research on ecological studies of Ficus spp. on the Karo community has been carried out in the Tangkahan Forest. It aims to analyze the ecological factors of Ficus spp. and obtain information regarding its utilization ... -
Perbandingan Nilai Ct (Cycle Threshold) Relawan (Volunteer) Positif Covid-19 yang Telah Divaksinasi dan Belum Vaksinasi di Sumatera Utara
(Universitas Sumatera Utara, 2022)Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) is a type of betacoronavirus that causes Coronavirus Disease-2019 (COVID-19). The transmission of the virus occurs between mammals and humans, which the symptoms ... -
Kepadatan, Distribusi Frekuensi Panjang Dan Pola Pertumbuhan Udang Windu (Penaeus Monodon) Di Perairan Estuari Karang Gading Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2022)Tiger prawn (Penaeus monodon) has great potential in fishery product of North Sumatera. Intensification of tiger prawn catching that done by fisherman in Karang Gading estuary, Deli Serdang could affect the tiger prawn’s ...