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Journal : Makara Journal of Science

Blended Film from PVA and Sansevieria trifasciata Dichloromethane Fraction for Reducing Heat Radiation from Smartphones Ilmiawati, Auliya; Pujiyati,; Hidayat, Asep; Sugita, Purwantiningsih; Irfana, Luthfan; Arifin, Budi
Makara Journal of Science Vol. 23, No. 2
Publisher : UI Scholars Hub

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Abstract

It has been reported that the lidah mertua plant (Sansevieria trifasciata) can absorb electromagnetic radiation from vari-ous electronic equipment. The current study aimed to make a film layer from polyvinyl alcohol (PVA) and a dichloro-methane (DCM) fraction of S. trifasciatato reduce heat radiation from smartphones. S. trifasciataleaves were macer-ated using ethanol and partitioned with ethyl acetate, DCM, and n-butanol. The DCM fraction was chosen to create the film, for which PVA was also used. The blended film made from PVA and 0.02% DCM reduced heat radiation from smartphones by up to 4.4 °C starting from the first minute of use; its heat reduction remained stable until the 20th mi-nute. Based on these results, it was determined that the active compounds in the DCM fraction are closely related to saponin-type steroids.
Co-Authors Ade Irawan Agustin AHMAD JUNAEDI Alita, Dini Arum Andriana Andriana Antoni Zulius Aris Munandar Armidiana, Armidiana Aulia Asmarani Aulia, Gina Auliya Ilmiawati Benie Ilman Budi Arifin Budilestari, Puji Cinta Amalia Putri Damayanti, Desi DEWI FITRIANI Dhanureksa, Prima Dodi Frianto Dodi Frianto, Dodi Edi Nurohman, Edi Efrizal Arifin Ekasatya Aldila Afriansyah Engkus, Engkus Erliany Syaodih Fachri Syarifudin Farthurrozi, Raedy Fenita Purnama Sari Indah Fugiyar Suherman Gama Bagus Kuntoadi Gilang Alwasilah Gita Ayuningtyas Handoko, Sungging Henti Hendalastuti R, Henti Henti Hendalastuti R. Herdhiana, Ria Ilyas Indi Ramadantica Indri Mistilasari Irena Puji Luritawaty Irma Syifa Ladista Kustinah, Yayan Kusuma, Mahmud Latifah, Yusi Lisna Efiyanti Listiana, Ida Lukman Handoyo Luthfan Irfana Maliki, Budi Ilham Maman Turjaman Maolani, Dedeng Yusuf Mariam, Popon Mariam, Popon Melvi Melinda Mintarsih, Mimin Moh. Ilham Ramadhan Muh. Ramadhan Mahendra Muhamad Gimbastian Muhammad Akmal Muliawan, Rizki Mulyadi, Redi Munggaran, Nantia Rena Dewi Naufal Lathif Ningrum, Rima Dina Mawar Nuraeni, Aisyah Nurunnisa, Fadila Nurwulan Adi Ismaya Prasetyo, Bowo Yuli Pratiwi, Chandra PUJI LESTARI Pujiyati, Purwantiningsih Sugita Puspitasari, Nitta Radifa Ruli Ramdan, Raka Fahri Rasya Firrizqy Ratna Wardani Rayhan Yanuar Rijanti Rahaju Maulani Rika Rahmanita RIRIS ANDRIATI Rita Dwi Pratiwi Rita Zahara, Rita Roestamy, Martin Rostina Sundayana Rudianto, Eko Salim, Rodhiyat Fajar Sanro Tachibana Setiawati, Lita Shalahuddin Shalahuddin Sheli, Sheli Sihotang, Sudiman Siti Novy Romlah Soleha, Ferdayatus Sritumini, Bella Anantha Sucipto Sucipto Tatang Rusmana Uswatun Hasanah Veri, Veri Wahidah Choerunnisa Wahidahnisa Wahidahnisa Wati, Rinda Zanindra Primahmudika Zulkarnaen