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Etnobotani Tumbuhan Obat di Desa Siharangkarang Ginting, Nurmaini
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 3, No 1 (2016): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (190.097 KB)

This research was conducted in the village of Siharangkarang, Hutaimbaru, Padangsidimpuan, North Sumatra. Data obtained from the open interviews. Informant selection technique used for the pre- observation is purposive sampling method. The next interview was conducted by sampling snowbowling. It Found 41 species of medicinal plants are commonly used by people in the village Siharangkarang. 30 species of medicinal plants of 41 species that have been known to have been cultivated by the people, be it at home orÂ in the garden. The using of plants as medicine by the people in the village Siharangkarang cover all partÂ of the plant, butÂ the most widely of that part whoÂ used are the leaves.

Biotransformasi Tartrazin oleh Bakteri Usus Manusia Batubara, Melvariani Syari; Ginting, Nurmaini
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 4, No 2 (2018): Februari
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

The aimed of this research was to investigated human intestinal bacteria (Streptococcus faecalis, Eschericia coli, Salmonella Sp., and Vibrio fischeri), to investigated dose of tartrazine, and to investigated biotransformation of tartrazine by human intestinal bacteria (Streptococcus faecalis, Eschericia coli, Salmonella Sp., and Vibrio fischeri). The method of this research was experiment with significant correlation to investigated biotransformation of tartrazine by human intestinal bacteria (Streptococcus faecalis, Eschericia coli, Salmonella Sp., and Vibrio fischeri). This study is primarily focussed on made bacteria medium, made standart inoculums of bacteria, and evaluation for activity of human intestinal bacteria (Streptococcus faecalis, Eschericia coli, Salmonella Sp., and Vibrio fischeri). The results obtained were attributed to the human intestinal bacteria was used in this research was biotransformated tartrazine. From the results that had been increase dose of tartrazine correlation with increase biotransformation by human intestinal bacteria. Highest dose of tartrazine was 15 mg, and highest biotransformation by Vibrio fischeri, which rate of zone decolourisation diameter was 1,22 cm, and rate of zone decolourisation was 1,44 cm2. Statistically showed significantly in correlation dose of tartrazine with rate of zone decolourisation (0,001 < P < 0,05), but statistically showed non significantly in correlation bacteria with rate of zone decolourisation (0,05 < P < 0,268).

Pengembangan Bahan Ajar dengan Pendekatan Student Centered Learning (SCL) pada Materi Kultur Jaringan Lubis, Jalilah Azizah; Ginting, Nurmaini
Jurnal Pendidikan Biologi Vol 6, No 3 (2017): Jurnal Pendidikan Biologi
Publisher : Magister Pendidikan Biologi, Universitas Negeri Medan

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This study aims to determine the teaching materials developed worthy of use as a teaching material for tissue culture in SMA Negeri 5 Padangsidimpuan based on BNSP assessment criteria. Knowing the effectiveness of biological teaching materials with Student Centered Learning approaches on tissue culture materials as reading material for students of grade XI IPA SMA / MA effective and improve students biology learning outcomes. This research is research of development of 4D model (four D model) suggested by Thiagrajan et al (1974) with research procedure covering Define, Designe, Develope and Dessiminate. The data obtained in the form of quantitative data validator and qualitative data. The product of this research is tissue culture teaching material for high school / MA students. Based on the results of the study, the average percentage of six validators on the teaching materials of students is 80.69% with the conclusions of the teaching materials worthy of use as teaching materials and this product can be followed by a small revision adding some supporters to optimize the results of the teaching materials by considering the advice and criticism from the validator. Result of questionnaire analysis of student response in general obtained average percentage of 81,24% mean student have been able to comprehend teaching materials that have been developed and effective for use in learning process.

KEANEKARAGAMAN NEPENTHES DI KECAMATAN SIPIROK Ginting, Nurmaini
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 5, No 1 (2018): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

This research aims to determine the diversity of Nepenthes species in Sipirok sub-district. Location determination research using survey method. The collection of the data is performed using the methods of exploration. Found 7 types of Nepenthes eustachya Nepenthes i.e., Nepenthes ovata, Nepenthes gracilis, Nepenthes rhombicaulis, Nepenthes reinwardtiana, Nepenthes tobaica and Nepenthes reinwardtiana natural silangan one x Nepenthes tobaica. Nepenthes found the lowlands and the Highlands. Nepenthes eustachya is found at an altitude of 1008 mdpl, where this type previously found only in lowland Sumatra.

INVENTARISASI NEPENTHES DI TAPANULI SELATAN Ginting, Nurmaini; Lubis, Jalilah Azizah
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 3, No 2 (2017): Februari
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Research that has been done in 8 districts in South Tapanuli Regency, found 13 types of where 1 of them are natural hybrid. Location Selection is done by the survey method, while sampling in the field using the exploration method. The district has the highest diversity of species is Saipar Dolok Sub-Hole. N. reinwardtiana has the most widely spread. District with the number of the lowest type is East Angkola sub sub-Arse, Marancar Sub-district and sub-district of Tano Tombangan with 1 types.

KEANEKARAGAMAN NEPENTHES DI KECAMATAN SIPIROK Nurmaini Ginting
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol 5, No 1 (2018): Agustus
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v5i1.1691

This research aims to determine the diversity of Nepenthes species in Sipirok sub-district. Location determination research using survey method. The collection of the data is performed using the methods of exploration. Found 7 types of Nepenthes eustachya Nepenthes i.e., Nepenthes ovata, Nepenthes gracilis, Nepenthes rhombicaulis, Nepenthes reinwardtiana, Nepenthes tobaica and Nepenthes reinwardtiana natural silangan one x Nepenthes tobaica. Nepenthes found the lowlands and the Highlands. Nepenthes eustachya is found at an altitude of 1008 mdpl, where this type previously found only in lowland Sumatra.

Biotransformasi Tartrazin oleh Bakteri Usus Manusia Melvariani Syari Batubara; Nurmaini Ginting
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol 4, No 2 (2018): Februari
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v4i2.972

The aimed of this research was to investigated human intestinal bacteria (Streptococcus faecalis, Eschericia coli, Salmonella Sp., and Vibrio fischeri), to investigated dose of tartrazine, and to investigated biotransformation of tartrazine by human intestinal bacteria (Streptococcus faecalis, Eschericia coli, Salmonella Sp., and Vibrio fischeri). The method of this research was experiment with significant correlation to investigated biotransformation of tartrazine by human intestinal bacteria (Streptococcus faecalis, Eschericia coli, Salmonella Sp., and Vibrio fischeri). This study is primarily focussed on made bacteria medium, made standart inoculums of bacteria, and evaluation for activity of human intestinal bacteria (Streptococcus faecalis, Eschericia coli, Salmonella Sp., and Vibrio fischeri). The results obtained were attributed to the human intestinal bacteria was used in this research was biotransformated tartrazine. From the results that had been increase dose of tartrazine correlation with increase biotransformation by human intestinal bacteria. Highest dose of tartrazine was 15 mg, and highest biotransformation by Vibrio fischeri, which rate of zone decolourisation diameter was 1,22 cm, and rate of zone decolourisation was 1,44 cm2. Statistically showed significantly in correlation dose of tartrazine with rate of zone decolourisation (0,001 < P < 0,05), but statistically showed non significantly in correlation bacteria with rate of zone decolourisation (0,05 < P < 0,268).

Etnobotani Tumbuhan Obat di Desa Siharangkarang Nurmaini Ginting
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol 3, No 1 (2016): Agustus
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v3i1.806

This research was conducted in the village of Siharangkarang, Hutaimbaru, Padangsidimpuan, North Sumatra. Data obtained from the open interviews. Informant selection technique used for the pre- observation is purposive sampling method. The next interview was conducted by sampling snowbowling. It Found 41 species of medicinal plants are commonly used by people in the village Siharangkarang. 30 species of medicinal plants of 41 species that have been known to have been cultivated by the people, be it at home or in the garden. The using of plants as medicine by the people in the village Siharangkarang cover all part of the plant, but the most widely of that part who used are the leaves.

INVENTARISASI NEPENTHES DI TAPANULI SELATAN Nurmaini Ginting; Jalilah Azizah Lubis
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol 3, No 2 (2017): Februari
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v3i2.1076

Research that has been done in 8 districts in South Tapanuli Regency, found 13 types of where 1 of them are natural hybrid. Location Selection is done by the survey method, while sampling in the field using the exploration method. The district has the highest diversity of species is Saipar Dolok Sub-Hole. N. reinwardtiana has the most widely spread. District with the number of the lowest type is East Angkola sub sub-Arse, Marancar Sub-district and sub-district of Tano Tombangan with 1 types.

BIODIVERSITY REVIEW FROM EVOLUTION AND ITS INFLUENCES ON CLIMATE Jamilah Nasution; Ferdinand Susilo; Nurmaini Ginting; Radiansyah Hadi Chandra
JBIO: jurnal biosains (the journal of biosciences) Vol 8, No 1 (2022): JBIO: jurnal biosains (the journal of biosciences)
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jbio.v8i1.33011

Biodiversity refers to the variety of organisms, including genes, species, and ecosystems in a given area. Biodiversity plays an important role in evolutionary processes and in maintaining the balance between the biosphere ecosystem and biological systems. Climate change is equally important to contribute to the sustainability of biodiversity. Factors causing ecosystem damage include human population, habitat conversion and transformation, overexploitation, invasive species, pollution, and climate change. By stopping the rate of loss of biodiversity that is occurring in the world, it will automatically invest in the survival and welfare of every human being.

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