Tirosinase atau fenol oksidase adalah enzim utama yang terlibat dalam biosintesis melanin. Untuk menghindari produksi melanin secara berlebihan pada lapisan epidermal, maka dicari senyawa yang mampu menghambat tirosinase sehingga dapat digunakan sebagai bahan pemutih kulit. Inhibitor enzim tirosinase dapat diperoleh dari senyawa bahan alam diantaranya, polifenol, kumarin, stilben sebagai pengga…
Library is an information resource centre that provides intangible services. Library is also known as a not-for-profit-organization that provides places for reading. Libraries in Indonesia have not been professionally administered. But now library institutions at all levels, including those at the academic institutions, begin to revamp, continue the scientific tradition, develop the nation's ci…
This research used action research metode, consisting of three cycles. Each cycle includes: planning, implementation, observation and reflection for the development of the next cycle. Data was collected from the value of skills and understanding of the material,the researchers note, the journal collaborators, as well as pieces reflecting on learning.Learning outcomes of hair cutting is a minimu…
This study aims to know the correlation between the results of making mind mapping with the learning outcomes of students. The population used in this study were all students of the Department of Chemistry Education UIN Ar-Raniry angkatan 2010 as many as 49 students, while a sample is a student of Chemical Education UIN Ar-Raniry unit I 2010 as many as 28 students. The data was collected throug…
This article is aimed to describe how to improve the quality of library service with the bilingual approach. Good library service is service done quickly, on time, correctly, and with fun. Library sevice quality is the hallmarks of the library services that are expected to fulfi ll the users’ need. Library service with the bilingual approach is library service that utilizes the usefulness of …
The health servise provision is the state's obligation which must be passed to entire/all its citizen by holding the social values and justice. Ideally state guarantees the health and its citizen prosperity. This state responsibility in the health area decanted in every macro policy made by the government as guidance in conducting the health service to the entire soecity. But because of financi…