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STRUKTUR KOMUNITAS MAKROZOOBENTOS DI KAWASAN REHABILITASI MANGROVE DAN MANGROVE ALAMI DI KAMPUNG NIPAH KABUPATEN SERDANG BEDAGAI SUMATERA UTARA Rabiah, Rabiah; Kardhinata, E. Harso; Karim, Abdul
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 3, No 2 (2017): Februari
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (217.825 KB) | DOI: 10.31289/biolink.v3i2.844

Abstract

Research on the community structure of macrozoobenthos in the area of mangrove rehabilitation and mangrove naturally in Kampung Nipah Bedagai Serdang, North Sumatra was aim to determined the community structure of macrozoobenthos with the inventory and identification of the types of macrozoobenthos at the sites. The method used in this research is descriptive method by determining and manufacture of sampling points with purposive sampling method. The results showed that macrozoobenthos were found grouped in three classes of Bivalves, Gastropods, and Polychaeta with the total number of individuals as much as 775 individuals. Group class that has the number of families and the highest number of species are Gastropods (19 families and 29 species), followed by Bivalves (6 families and 13 species). Polychaeta only has one family and one spesies. Diversity index (H ) of the study sites showed a value of 2.37 with the medium category. Value uniformity among the sites is 0,63 which means that the distribution of individuals of each type tends to evenly at each station and observation points.
Pemeriksaan Escherichia coli, Staphylococcus aureus dan Salmonella sp. pada Jamu Gendong yang Dijajakan di Kota Medan Fhitryani, Sri; Suryanto, Dwi; Karim, Abdul
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 3, No 2 (2017): Februari
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (158.965 KB) | DOI: 10.31289/biolink.v3i2.845

Abstract

This study aims to determine the presence of the bacterium Escherichia coli, Staphylococcus aureus and Salmonella sp. in carrying medicinal sold on the five areas in the city of Medan. This study was conducted descriptive of the results of bacterial contamination in carrying medicinal by the number of 20 samples of 5 herbalist carrying in different areas in the city of Medan. The sampling sites are the Menteng area, with a total population carrying medicinal sellers there are 5 people, Literacy area 5, area Tembung 4 people, Sunggal area 3 and area Sei Sekambing 3. Test results Staphylococcus aureus and Salmonella sp. at 5 locations showed negative results and the results of the Total Plate Count 102 at location A (Menteng), namely 3, location B (Traditional), namely 5, the location is C (Tembung) ie 4, the location of D (Sunggal) ie 8 and Area E (Sei Sikambing) is 5. the confirmation test results using BGLB media to determine the negative results (no gas formation) and media testing with Mac-Conkey to grow colonies of pink. On the positive Sunggal local herbal samples contaminated with bacteria coli and other microbial species are not found. This contamination as a result of the manufacturing process that is less attention to elements of sanitation and hygiene as well as the contamination of air at the time of sale and packaging.
KONTAMINASI BAHAN PLASTIK PADA JAJANAN PASAR (GORENGAN) YANG BEREDAR DI KOTA MEDAN Sari, Dita; Riyanto, Riyanto; Karim, Abdul
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 4, No 1 (2017): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (130.451 KB) | DOI: 10.31289/biolink.v4i1.962

Abstract

This reseach aims to know the contamination of plastic materials that exist in market snacks (fried banana, fried tempe, fried tofu and bakwan goreng) that circulated in Medan City. This research uses the method of "Qualitative Description" that is by checking the plastic content in market snacks (gorengan) circulating in Medan City. The results of this study contained 12 positive samples contaminated with plastic materials and 48 samples were not contaminated with plastic materials. Plastic contaminated samples are tested by burning, if positive samples containing plastics will burn and a large flame is visible, black droplets and smell of burning plastic.
EFEKTIVITAS BEBERAPA PRODUK PEMBERSIH WAJAH ANTIACNE TERHADAP BAKTERI PENYEBAB JERAWAT Propionibacterium acnes marliana, Marliana; Sartini, Sartini; Karim, Abdul
BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Vol 5, No 1 (2018): Agustus
Publisher : Program Studi Biologi, Fakultas Biologi Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (946.125 KB) | DOI: 10.31289/biolink.v5i1.1668

Abstract

The purpose of this study was to determine the effectiveness of some antiacne facial cleanser products against bacteria that cause acne Propionibacterium acnes, which conducted experimentally using 6 product against of antiacne facial cleanser bacteria cause Propionibacterium acnes with three replication. The parameters observed were the inhibitory zone diameters. The results showed that of some antiacne facial cleanser products that are most effective in inhibiting the growth of acne-causing bacteria Propionibacterium acnes is the product CCA code, with a 35 mm inhibit zone, because CCA products were contain 6 combinations of natural ingredients from Hamamelis virginia, Melaleuca alternifolia, Cinnamomum zeylanicum, Cedrus atlantica, Portulaca oleracea and olive oil All antiacne products are shown to have effectiveness against the bacteria Propionibacterium acnes.