PENGARUH LIMBAH ORGANIK KULIT PISANG KEPOK (Musa paradisiaca) TERHADAP KUALITAS NATA DE DRAGON SEBAGAI SUMBER BELAJAR BIOLOGI

Limbah kulit pisang belum dimanfaatkan atau diolah menjadi produk. Kulit pisang merupakan salah satu sumber nitrogen alami yang potensial. Peningkatan pertumbuhan, perkembangan pada aktivitas bakteri acetobacter xylinum nitrogen alami dapat didapatkan dari kulit pisang. Pemanfaatan dari kulit buah naga yang mengandung antioksidan yang cukup tinggi. Permasalahan limbah kulit buah pisang kepok dan kulit buah naga merah dapat dikurangi dengan mengetahui nutrisi kulit buah yang dapat dimanfaatkan untuk pembuatan Nata de dragon. Metode dalam penelitian ini menggunakan eksperimental sejati. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh suatu tujuan dari penelitian ini adalah untuk mengetahui pengaruh kulit pisang kepok (Musa paradisiaca) terhadap kualitas Nata de Dragon. Hasil penelitian dan alisha menunjukkan terdapat pengaruh konsentrasi kulit pisang kepok dengan menggunakan media substrat kulit buah naga terhadap kualitas nata de dragon, dilihat dari parameter uji organoleptik yang meliputi aroma, rasa, tekstur rasa. Sedangkan pada kualitas kadar serat dan kadar antioksidan terdapat pengaruh. Hasil menunjukkan kadar antioksidan terbaik pada perlakuan satu yaitu 0%. Dan terdapat perlakuan terbaik kadar serat yaitu pada perlakuan dua yaitu 25%

Implementasi Gerakan Literasi Sekolah dalam Kegiatan Membaca di SDN 1 Pangkalan Banteng Kalimantan Tengah

The reading ability of students in Indonesia is still relatively low because there are students who do not recognize letters, lack understanding of reading content, and lack enthusiasm when reading both in low and high grades. Therefore, there is an implementation of the School Literacy Movement in reading activities at SDN 1 Pangkalan Banteng, Central Kalimantan. Thus, this study aims to describe 1) the implementation of the School Literacy Movement in reading activities in phase A (grade II) and phase B (grade IV) at SDN 1 Pangkalan Banteng Central Kalimantan, and 2) the supporting and inhibiting factors in the implementation of the School Literacy Movement at SDN 1 Pangkalan Banteng Central Kalimantan. The method used in this research is Narrative Inquiry. The subjects in this study were teachers or guardians of phase A (class II) and phase B (class IV). Data sources were obtained from sentences or quotes transcribed from audio recordings. Data research was conducted with several steps, namely (1) Data collection, (2) Data reduction, (3) Data presentation, and (4) Concluding. Data collection techniques used in-depth interviews, observation, and documentation. This research instrument uses an interview grid. The findings of this study show that the School Literacy Movement in reading activities is implemented in three stages which include the habituation stage, the development stage, and the learning stage. In the habituation stage, activities are carried out by reading books for 15 minutes before lessons followed by reading aloud and silently. This activity is not only carried out with 15 minutes of reading activities but also followed by other activities such as organizing and creating a text-rich environment. Reading activities in the developmental phase are carried out by reading aloud, independent reading, shared reading, and integrated reading. However, in phase A (class II), independent reading activities are not implemented because there are learners who are not yet proficient in reading. Then, the learning stage has been carried out with various reading activities supported by various types and learning media. In phase A (grade II) the types and learning media are textbooks, pictures/posters, while in phase B (grade IV) they are books, pictures/posters, and audiovisuals. Also, there are supporting factors and inhibiting factors in the implementation of the School Literacy Movement at SDN 1 Pangkalan Banteng, Central Kalimantan. Some of the supporting factors include the existence of facilities and infrastructure, the availability of sufficient funds, and government support. Meanwhile, the inhibiting factors include the lack of readiness of students, the lack of understanding of educators, and the lack of community/family support

Prospect for antiferromagnetic spintronics

Exploiting both spin and charge of the electron in electronic micordevices has lead to a tremendous progress in both basic condensed-matter research and microelectronic applications, resulting in the modern field of spintronics. Current spintronics relies primarily on ferromagnets while antiferromagnets have traditionally played only a supporting role. Recently, antiferromagnets have been revisited as potential candidates for the key active elements in spintronic devices. In this paper we review approaches that have been employed for reading, writing, and storing information in antiferromagnets

DESIGN of COSMOLOGY PHOTOGRAPHY BOOK ‘BADUY LUAR’ KANEKES

Indonesia is an archipelago country that is rich in arts and culture. The Baduy people still adhere to their cus- tomary law (pikukuh), how their cosmology (view of nature) is to this world. The way they treat nature, make houses al- ways facing north, children who get education only from parents and local customs and so on. According to them the origin of this world is somewhere in the Baduy region called Sasaka Pusaka Buana or Sasaka Domas. therefore customary law is made to protect it. In the era is now reviewing information and learning something new is very easy because of the internet. But it turned out that the information was not accurate even far from the reality. Like various information on social media related to the tribe of Baduy but the information presented is not true, especially the issue of customs, culture which means it includes the cosmology of the Baduy tribe itself. Therefore to increase the knowledge of Baduy tribal cosmology, there is a need for media of information and learning that are packaged in the form of photography books so that they can be por- trayed in a real and accurate manner. Using data collection through qualitative methods, namely observation and interviews, added using SWOT to conduct data analysis. It is expected that the results achieved also meet the needs of the target audi- ence and can educate and provide accurate data through photography. Keywords Cosmology, Baduy Luar, Book, Photograph

Molecular junctions for thermal transport between graphene nanoribbons: covalent bonding vs. interdigitated chains

Proper design and manufacturing thermal bridges based on molecular junctions at the contact between graphene platelets or other thermally conductive nanoparticles would provide a fascinating way to produce efficient heat transport networks for the exploitation in heat management applications. In this work, using Non Equilibrium Molecular Dynamics, we calculated thermal conductance of alkyl chains used as molecular junctions between two graphene nanoribbons, both as covalently bound and Van der Waals interdigitated chains. Effect of chain length, grafting density, temperature and chain interdigitation were systematically studied. A clear reduction of conductivity was found with increasing chain length and decreasing grafting density, while lower conductivity was observed for Van der Waals interdigitated chains compared to covalently bound ones. The importance of molecular junctions in enhancing thermal conductance at graphene nanoribbons contacts was further evidenced by calculating the conductance equivalence between a single chain and an overlapping of un-functionalized graphene sheets. As an example, one single pentyl covalently bound chain was found to have a conductance equivalent to the overlapping of an area corresponding to about 152 carbon atoms. These results contribute to the understanding of thermal phenomena occurring within networks of thermally conductive nanoparticles, including graphene nanopapers and graphene-based polymer nanocomposites, which are or high interest for the heat management application in electronics and generally in low-temperature heat exchange and recovery

Fluoride Increases Superoxide Production and Impairs the Respiratory Chain in ROS 17/2.8 Osteoblastic Cells

It is known that fluoride produces oxidative stress. Inflammation in bone tissue and an impairment of the respiratory chain of liver have been described in treatments with fluoride. Whether the impairment of the respiratory chain and oxidative stress are related is not known. The aim of this work was to study the effects of fluoride on the production of superoxide radical, the function of the respiratory chain and the increase in oxidative stress in ROS 17/2.8 osteoblastic cells. We measured the effect of fluoride (100 mM) on superoxide production, oxygen consumption, lipid peroxidation and antioxidant enzymes activities of cultured cells following the treatment with fluoride. Fluoride decreased oxygen consumption and increased superoxide production immediately after its addition. Furthermore, chronic treatment with fluoride increased oxidative stress status in osteoblastic cells. These results indicate that fluoride could damage bone tissue by inhibiting the respiratory chain, increasing the production of superoxide radicals and thus of the others reactive oxygen speciesFil: Fina, Brenda. Universidad Nacional de Rosario. Facultad de Ciencias Médicas. Laboratorio de Biología Ósea; ArgentinaFil: Lombarte, Mercedes. Universidad Nacional de Rosario. Facultad de Ciencias Médicas. Laboratorio de Biología Ósea; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Rigalli, Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Fisiología Experimental. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Fisiología Experimental; ArgentinaFil: Rigalli, Alfredo. Universidad Nacional de Rosario. Facultad de Ciencias Médicas. Laboratorio de Biología Ósea; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentin

Can a novel management plan for the Bering Sea and Aleutian Islands crab fisheries succeed?

Since their inception, Bering Sea/Aleutian Islands (BSAI) crab fisheries have attracted participants willing to undertake great financial and personal risks to participate in these high valued fisheries. Although entry to the fisheries is limited, excess capital and overcapacity, together with stock declines, have resulted in a race for fish. The shortest season is in the Bristol Bay red king crab fishery, which has been prosecuted for less than one week in recent years. Efforts of managers to protect declining stocks by reducing allowable catch have increased the economic stress on participants and communities that depend on these fisheries and increased pressure on participants to take greater risks. For several years, the North Pacific Fishery Management Council worked with participants to address these problems in the crab fisheries through series of working groups and management measures. In 2001, Congress stepped in, directing the Council to assess various rationalization programs for the fisheries, including individual fishing quotas (IFQs), processor shares, cooperatives, and quotas held by communities. The outcome of the Council process is a new and unique management program selected by a unanimous vote of the North Pacific Council. The program reflects the Council's desire to accommodate the interests of several groups dependent on these fisheries-vessel owners, processors, captains and crew, and communities. Under the program, harvest quota shares (QS) will be issued to vessel owners and captains. Processors will be issued processing quota shares. Under these allocations, 90 percent of harvest quota shares are designated for delivery to holders of processing quota shares. Community interests are protected by a requirement that a certain portion of the catch be landed and processed in designated regions. An arbitration program is included to resolve price disputes, which could arise because of the constraints on markets created by the dual share allocations. The result of the Council's action is one of the most complex fishery management programs to date. The attempt to satisfy many interests creates significant hurdles that must be overcome for the program to succeed economically and environmentally. This paper describes key dimensions of the proposed crab fishery management program and identifies the most substantial hurdles that the program must overcome for the Council to judge it a successful management program for the fisheries. First, managers will be challenged by program implementation. Implementation will require initial allocations of harvesting shares to vessel owners and captains and processing shares to processors. Most shares will be regionally designated based on the participant's landings history. Second, managers will face the challenge of protecting stocks as the incentives to high grade increase in the share-based fishery. Third, the markets for the harvest shares, captains shares, and processing shares must develop in a manner that facilitates coordination of harvesting and processing activity required by the share system and the regional landing and processing requirements. Lastly, market opportunities for harvest landings will be constrained by the requirement that deliveries be made to a processing share holder in a designated region. For the program to be considered a success, price formation in the market for landings must be perceived as fair. Each of these issues is described in a manner that provides the reader with a perspective of the institutional challenges faced by a program that attempts to address the concerns of several different interests. In addition, characteristics of the fisheries that contribute to the potential to overcome these obstacles are discussed.Resource /Energy Economics and Policy,

GAMBARAN PEMBERIAN ASI PADA BAYI SAKIT USIA 0-6 BULAN DI BPS NURUL T SURABAYA

ASI merupakan makanan yang paling sempurna bagi bayi karena kandungan gizi sesuai kebutuhan untuk pertumbuhan dan perkembangan yang optimal. Akan tetapi banyak ibu yang tidak memberikan AS I kepada bayinya sehingga berdampak terhadap tingginya angka kesakitan bayi. Tujuan penelitian ini adalah mengetahui gambaran pemberian ASI pada bayi sakit di BPS N urul T Surabaya. Desain penelitian deskriptif. Populasi se mua ibu yang memiliki bayi sakit berusia 0-6 bulan sebesar 18 responden. Sampel sebesar 18 responden. Pengambilan sampel menggunakan teknik non probability sampling dengan tipe total sampling. Variabel penelitian pemberian ASI. Instrument yang digunakan kuesioner. Analisa data disajikan dalam bentuk persentase. Hasil penelitian menunjukkan dari 18 responden didapatkan hampir setengahnya (33,33%) memberikan ASI saja dan sebagian besar (66,67%) memberikan PAS I kepada bayinya. Simpulan dari penelitian ini adalah sebagian besar ibu memberikan PAS I kepada bayinya, oleh karena itu diharapkan dapat menjadi masukan atau pertimbangan bagi ibu menyusui sehingga dapat merubah kebiasaan ibu- ibu yang sedang menyusui agar mau memberikan AS I kepada bayinya