1,720,975 research outputs found
STRATEGI GURU DALAM PENILAIAN KELAS PADA MATA PELAJARAN AQIDAH AKHLAK KELAS V DI MI NU THOLIBIN TANJUNGKARANG KUDUS TAHUN PELAJARAN 2014/2015
No full textTujuan penelitian ini adalah:(1) Untuk mengetahui Pelaksanaan Penilaian
Kelas Di MI NU Tholibin tanjungkarang kudus. (2) Untuk mengetahui
PelaksanaanPenilaian Kelas Pada Mata Pelajaran Aqidah Akhlak Di MI NU
Tholibin tanjungkarang kudus. (3) Untuk mengetahui faktor pendukung dan
penghambat dalam PelaksanaanPenilaian pada mata pelajaran Aqidah Akhlak di
MI NU Tholibin tanjungkarangkudus.
Penelitian ini merupakan penelitian deskriptif kualitatif yakni kegiatan
penelitian yang dilakukan dengan cara mendeskripsikan hasil penelitian yang
ditemukan dalam keadaan sebenarnya dengan tidak menggunakan prosedur
statistik atau hitungan. Pengumpulan data menggunakan metode observasi
dilakukan pada kelas V dalam pengamatan tingkah laku peserta didik serta
pencatatan pelaksanaan penilaian kelas, wawancara dengan kepala madrasah dan
guru Aqidah Akhlak serta peserta didik, sedangkan dokumentasi berupa foto-foto
mengenai proses pembelajaran serta rencana dan pelaksanaan penilaian kelas.
Metode analisis yang digunakan menggunakan reduksi data mengenai proses
pelaksanaa penilaian sikap peserta didik dalam pembelajaran dan perubahan
perilaku peserta didik, penyajian data, verifikasi dan penarikan kesimpulan.
Hasil dari penelitian ini dapat disimpulkan bahwa, Pelaksanaan penilaian
kelas di MI NU Tholibin Tanjungkarang Kudus menggunakan bentuk observasi
perilaku dengan kriteria pelaksanaan cukup baik, dan hasil penilaian kelas pada
penilaian sikap/perilaku dengan hasil penilaian sudah baik, sehingga dengan
adanya pelaksanaan penilaian tersebut guru dapat mudah mengetahui perubahan
tingkah laku peserta didik dalam proses pembelajaran. Faktor penghambat
penilaian kelas berasal dari faktor ekternal dan internal adapun faktor eksternal
dari sekolah dan guru, sedangkan faktor internal berasal dari dalam diri siswa
yaitu: minat dan motivasi
POTENCY OF THE INDONESIAN MEDICINAL PLANTS AS ANTIMALARIAL DRUGS
Full text linkThe Indonesian traditional herbal medicine has been practiced for many centuries in Indonesia to treat malaria diseases. Although modern medicine is becoming increasingly important, herbal medicine is still very popular. In order to select raw material for preparation of safety herbal medicines, forty five medicinal plants have been tested for acute toxicity in mouse at a dose 715 mg/kg body weight. The extracts of Asclepias curassavica leave, Alstonia scholaris leave, Decospermum fruticosum leave, Elaocarpus petiolatus bark, Elaocarpus parvifolius bark, Eurycoma longifolia root, Garcinia rigida bark, Nephelium lappaceum bark, Pentaspodan motleyi leave, Picrasma javanica leave, Phyllanthus niruri whole, Quassia indica leave, Syzygium pycnanthum bark, Tetrasera scandens leave, Cratoxylum glaucum bark, Sandoricum emarginatum bark, Mallotus paniculatus leave, Microcos ovatolanceolata bark, Poikilospermum suaveolens leave, Fibraurea chloroleuea leave, Tetrasera scandens root, and Timonius billitonensis bark showed toxicity with mortality level of 20-100%. The remaining 32 plant extracts were not toxic at dose tested. The toxic plant species should be considered in the preparation of herbal medicines. Of the safety extracts were tested for their antimalarial activity against Plasmodium berghei in vivo at a dose 715 mg/kg body weight. Extract of Carica papaya leave was most active than other plant extracts with parasitemia 1.13%, while control showed 17.21%. More research is needed to scientifically prove efficacy and to identity antimalarial constituents in the plant extracts.
Key words: Indonesian medicinal plant, jamu, toxicity, antimalarial activity, Plasmodium berghei
Ekspresi <i>Caspase-3</i> pada Kanker Payudara Tikus Setelah Pemberian Antikanker Brusein-A
No full textAbstrak
Brusein-A diduga menyebabkan apoptosis. Salah satu protein yang berperan dalam proses apoptosis adalah caspase-3. Penelitian ini bertujuan mengetahui aktivitas antikanker brusein-A terhadap ekspresi caspase-3 pada kanker payudara. Penelitian menggunakan rancang acak lengkap. Sebanyak 27 ekor tikus betina berumur 12 minggu diberi dimethylbenzanthracene (DMBA) 20 mg/kgBB per oral selama 3 minggu sampai terbentuk kanker payudara. Selanjutnya, dibagi dalam 9 kelompok perlakuan brusein-A, yaitu 0; 2,5; 5; 7,5; 10; 12,5; 15; 17,5; dan 20 mg/L selama 28 hari. Parameter yang diukur adalah ekspresi caspase-3 yang dinilai berdasar atas persentase sitoplasma yang berwarna coklat. Penelitian ini dilakukan di Laboratorium Patologi-Anatomi dan Laboratorium Biokimia, Pusat Penelitian Ilmu Pengetahuan dan Teknologi (Puspiptek) Serpong tahun 2015–2016. Hasil penelitian menunjukkan ekspresi caspase-3 rata-rata pada dosis 0 mg/L sebesar 4%, 2,5 mg/L sebesar 15,3%, 5 mg/L sebesar 21%, 7,5 mg/L sebesar 25%, 10 mg/L sebesar 41%, 12,5 mg/L sebesar 65%, 15 mg/L sebesar 75,3%, 17,5 mg/L sebesar 84%, dan 20 mg/L sebesar 94,7%. Hasil uji one way ANOVA menunjukkan perbedaan ekspresi caspase-3 rata-rata yang signifikan antarkelompok perlakuan (p=0,0001). Uji korelasi Spearman menunjukkan hubungan yang sangat erat dan positif antara dosis brusein-A dan ekspresi caspase-3 (r=0,994). Simpulan, brusein-A meningkatkan ekpresi caspase-3 pada kanker payudara tikus yang diinduksi DMBA.
Abstract
Brusein-A is thought to cause apoptosis. Caspase-3 is a protein that plays a role in the process of apoptosis. This study aims to determine anticancer activity of brusein-A on the expression of caspase-3 in breast cancer. This study uses a completely randomized control design. A total of 27 female rats, 12 week aged, were given 20 mg dimethylbenzanthracene (DMBA)/kgBW peroral for 3 weeks until they had breast cancer. They divided into 9 treatment group of brusein A, that were 0, 2.5, 5, 7.5, 10, 12.5, 15, 17.5, and 20 mg/L for 28 days. Parameter measured were caspase-3 expression, assessed on the percentage of brown cytoplasm. This research was conducted in Pathology-Anatomy Laboratory and Biochemistry Laboratory, Research Center for Science and Technology (Puspiptek) Serpong in 2015–2016. The results showed caspase expression rate of 4%, 15.3%, 21%, 25%, 41%, 65%, 75.3%, 84%, and 94.7% on the dosage of , 2.5, 5, 7.5, 10, 12.5, 15, 17.5, and 20 mg/L respectively. The one way ANOVA test results showed significant difference of caspase-3 expression between treatment group (p=0.0001). Spearman's rank correlation test showed that a very close and positive relationship between brusein-A dose and caspase-3 expression (r=0.994). In conclusion, brusein-A increased caspase-3 expression in DMBA induced breast cancer rats
Ekspresi <i>Caspase-3</i> pada Kanker Payudara Tikus Setelah Pemberian Antikanker Brusein-A
No full textPEMANFAATAN LINDI HITAM HASIL ISOLASI LIGNIN DARI TANDAN KOSONG KELAPA SAWIT SEBAGAI ANTI MIKROBA
Full text linkTelah dilakukan isolasi lignin dari lindi hitam hasil proses pulping menggunakan metode formacell dari tandan kosong kelapa sawit. Hasil monomer dari pemecahan lignin diduga memiliki senyawa yang bersifat anti mikroba. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi hasil pemecahan monomer lignin dengan perlakuan 0%, 2,5%, 5%, 7,5%, 10%, 12,5%, dan 15% terhadap daya hambat sebagai antimikroba. Hasil penelitian menunjukkan bahwa proses pemurnian menggunakan fraksi 3% MeOH:CHCl3 pada konsentrasi 12,5 dan 15% memiliki aktivitas antimikroba yang sama dan tertinggi terhadap E. coli dengan diameter zona hambat sebesar 6,33 mm, sedangkan aktivitas antimikroba terendah terhadap E. coli dimiliki fraksi 3% MeOH:CHCl3 pada konsentrasi 2,5% dengan diameter zona hambat sebesar 5,17 mm
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
EVALUASI NILAI CACAT DAN CITA RASA KOPI ROBUSTA (Coffea canephora L.) YANG DIPRODUKSI IKM KOPI DI KABUPATEN TANGGAMUS [Evaluation of Defect Value and Flavour Robusta Coffee (Coffea canephora L.) Produced by Small and Medium Industri Sector of Coffee in Tanggamus District]
No full textAppropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
- …
