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Atiqah Aida
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Chemical Engineering, Chemistry & Bioengineering Chemistry Education Engineering Materials Science & Nanotechnology

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SINTESA MATERIAL BIOSCAFFOLD BERBAHAN DASAR PLA/NANOKITOSAN DENGAN PENAMBAHAN ZN-CURCUMIN Atiqah Aida
Jurnal Sains dan Teknologi Reaksi Vol 18, No 02 (2020): JURNAL SAINS DAN TEKNOLOGI REAKSI
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jstr.v18i02.2255

Abstract

Penelitian mengenai bioscaffold sebagai salah satu terobosan baru dalam bidang rekayasa jaringan sedang berkembang pesat untuk diteliti. Salah satu aplikasi bioscaffold dibidang rekayasa perancah jaringan tulang dapat memberikan solusi cepat untuk mendorong regenerasi jaringan tulang baru akibat kecelakaan kerja tulang serta cacat tulang. Material penyusun bioscaffold berupa sintesis maupun polimer alami. Polimer alami yang dapat digunakan ialah Poly Lactid Acid dikarenakan memiliki sifat yang sesuai dengan kriteria bioscaffold yakni biogradable, biokompatibel, tidak beracun dan aman bagi tubuh manusia. Namun sifat titik leleh PLA yang rendah dibandingkan polimer lainnya mengharuskan PLA dimodifikasi dengan bahan pengisi seperti Nanokitosan. Penggunaan Kitosan sebagai material bioscaffold telah dilakukan oleh Zuhra, 2017. Hasil yang didapatkan bahwa campuran dari kedua bahan tersebut bioscaffold yang kurang homogen berpengaruh terhadap kekuatan tarik bioscaffold.  Adapun novelty dari penelitian ini adalah meninjau karakteristik material bioscaffold berbahan dasar PLA/ Nanokitosan dengan penambahan Zn-Curcumin . Penambahan Zn-Curcumin memiliki potensi nanofiber komposit sebagai perancah jaringan tulang melalui seluler morfologi dan  MTT pengujian menunjukkan bahwa Zn-Cur yang mengandung nanofiber lebih baik mensupport adesi seluler, penyebaran dan proliferasi dibandingkan dengan nanofiber lainnya. Terlebih lagi ternyata penambahan Zn-Cur dapat meningkatkan aktivitas ALP dan produksi mineralisasi matriks Zn-CUR kompleks tidak hanya meningkatkan kinerja osteogenik tetapi juga memiliki aktivitas antibakteri yang baikKata kunci: Bioscaffold, PLA, Nanokitosan, Zn-Curcumin
REFINERY OF CITRONELLA OIL USING VACUUM HYDRODISTILATION METHOD IN ACEH UTARA DISTRICT S Syafruddin; Reza Fauzan; Zulfan Khairil Simbolon; Rizal Syahyadi; Atiqah Aida; Rima Dhinta Dewi Astuti; Isra Adelya Izzati; Pocut Nurul Alam
Jurnal Sains dan Teknologi Reaksi Vol 21, No 01 (2023): JURNAL SAINS DAN TEKNOLOGI REAKSI
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jstr.v21i01.4146

Abstract

Citronella oil is a non-timber forest product (NTFP) and is commercially obtained from the distillation of citronella leaves (Cymbopogon nardus L). Fragrant citronella leaves are one of the raw materials for obtaining vegetable oils in the form of essential oils. Essential oil is the main component consisting of composition in the form of geraniol and citronellal. The process of extracting essential oils can be done using various methods, one of which is the Vacuum Hydrodistillation method. The Vacuum Hydrodistillation method is carried out using a vacuum pump as a pressure guard and the boiling point of the distillation process does not exceed the boiling point temperature of water, which is 1000 C, so that the oil produced is maintained its purity. The vacuum hydrodistillation process of citronella was carried out for 3, 5, and 7 hours with each treatment using random and whole pieces of raw material. The resulting essential oil products were analyzed in the form of yield, density, refractive index and oil composition analysis using GC-MS. The best essential oil yields from citronella were obtained under operating conditions with random samples and distillation time of 5 hours. Where the yield produced is 0.17% with a refractive index of 1.41570 and a density of 0.92735 gr/ml. Keywords: Essential Oil, Vacuum Hydrodistillation, Fragrant Lemongrass, Geraniol
MODELING OF PHOTOVOLTAIC PANELS FOR GAHARU ESSENTIAL OIL DISTILLATION SYSTEM T Taufik; S Subhan; Arief Mardiyanto; A Azhar; Muhammad Kamal; Atiqah Aida
Jurnal Sains dan Teknologi Reaksi Vol 21, No 01 (2023): JURNAL SAINS DAN TEKNOLOGI REAKSI
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jstr.v21i01.4201

Abstract

Solar energy has now been converted into electrical energy by using alternative solar panels to absorb heat energy which is converted into electrical energy. Solar panels or often referred to as photovoltaic systems are an alternative that is being actively developed to deal with the global status of energy shortages because fossil energy sources, which have been the main energy source, will run out as population growth increases. In this study used a solar cell with a capacity of 100 Wp which required 27 units of solar cells. used solar. The absorption power of the solar cell energy used is 2,500 watts with varying operating times, namely 1.5 hours, 3 hours, 4.5 hours and 6 hours. The use of solar cell energy will later be used for agarwood oil distillation. Gaharu wood is pre-treated in the form of drying and soaking before the distillation process is carried out. Pretreatment is carried out with the aim that the resulting essential oil can increase in yield. The results obtained yield showed the best quality at the 20th day immersion time and 10 hours of distillation time (0.51%). The results of the GC-Ms gas chromatogram analysis were indicated by the presence of guaiol, selinene and panasinsen compounds, namely (55.90%), (19.56%) and (5.53%). Keywords: solar cell, renewable energy, agarwood, distillation
Co-Authors A Azhar Arief Mardiyanto Isra Adelya Izzati Muhammad Kamal Pocut Nurul Alam Reza Fauzan Rima Dhinta Dewi Astuti Rizal Syahyadi S Subhan S Syafruddin Simbolon, Zulfan Khairil T Taufik