Judul: Sitotoksisitas Ekstrak Kulit Kayu Pinus merkusii Jungh. et de Vriese terhadap Sel Kanker Serviks HeLa
Abstrak: Cervical cancer is the most common death cause of cancer in Indonesian women. One of the efforts of cancer treatment is the utilization of natural materials compounds. Some plants have potential as anticancer, one of them is bark of Pinus merkusii. The purpose of this study was to determine the cytotoxic activity of Pinus merkusii bark extract against HeLa cells by microculture tetrazolium technique (MTT) assay. The study also tested the phytochemical content and the initial screening of cytotoxicity with Artemia salina. The Highest yield of 70% ethanol P. merkusii bark extract was 6.30%. Pinus merkusii contains flavonoids, triterpenoids, saponins and tannins. The results of cytotoxicity assay using A. salina showed that the Pinus merkusii bark extract has activity and potential as anticancer indicated by its LC50 values < 1000 μg/mL. The 70% ethanol extract of P. merkusii bark has highest cytotoxic activity against HeLa cells with IC50 value of 266.01 μg/mL which was higher than methanol, water, and aceton extract with IC50 values for respectively 408.13 μg/mL, 433.51 μg/mL, dan 880.24 μg/mL.
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Judul: Sitotoksisitas Fraksi Teraktif Akar Jarak Pagar (Jatropha curcas) pada Sel Kanker Payudara MCF-7
Abstrak: Tanaman jarak pagar (Jatropha curcas) telah digunakan sebagai obat tradisional. Tanaman ini telah diketahui memiliki potensi sebagai antikanker. Penelitian ini bertujuan mengevaluasi sitotoksisitas fraksi akar jarak pagar asal Indonesia. Akar diekstraksi menggunakan metanol 80% dan dipartisi dengan kloroform-air. Delapan fraksi didapatkan dari fraksi kloroform menggunakan kromatografi kolom dengan eluen petroleum eter-aseton 15:1. Penapisan awal dengan uji letalitas larva udang menunjukkan bahwa fraksi F4 bersifat paling toksik pada konsentrasi 100 ppm. Enam fraksi didapatkan dari fraksionasi fraksi F4 menggunakan kromatografi lapis tipis preparatif dengan eluen diklorometanaetil asetat 8.5:1.5. Uji sitotoksisitas pada sel lestari MCF-7 menunjukkan nilai IC50 tertinggi pada fraksi F43 (0.07 ppm) dan terendah pada fraksi F46. Berdasarkan hasil ini, fraksi akar jarak pagar memiliki aktivitas sitotoksik dan berpotensi sebagai antikanker. Hasil uji fitokimia menunjukkan bahwa golongan senyawa triterpenoid, flavonoid, dan saponin diduga berperan dalam bioaktivitas ini.
Keyword: Cytotoxicity, Jarak pagar root, MCF-7 cell lines, Toxicity, Fitokimia, Sel lestari, Tosisitas, Phytochemical, Fitokimia, Toksisitas ekstrak kasar, Metanol, Fraksi klaroform

Judul: The addition of a noun word graph dictionary module in bogordelftconstruct
Abstrak: Knowledge Graph is a new method in Natural Language Processing that is used to describe human language and displaying it into a graph form. BogorDelftConStruct is a tool to analyze Indonesian text, developed by Deni Romadoni (2009). The tool has limited feature, opening many opportunities to add some other features. The goal of this research is to develop a noun word graph dictionary module and add it in BogorDelftConStruct. The patterns of the noun word-graph are based the research of Saleh (2009). In this research, of the 20 patterns in Saleh (2009) only 13 patterns are used, since some of word graph patterns which have the same affix and also have the different meaning. As many as 144 nouns were used in scenario testing, with 1 error was generated (99,33% accuracy).
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