Zobrazeno 1 - 10
of 170
pro vyhledávání: '"Sutopo Hadi"'
Autor:
Junaidi, Daffa Abdul Malik, Muhammad Rizki, Indah Pratiwi, Pulung Karo-Karo, Roniyus Marjunus, Dwi Asmi, Sutopo Hadi
Publikováno v:
Science and Technology Indonesia, Vol 9, Iss 3, Pp 642-650 (2024)
In this study, we conducted the extraction of silver nitrate (AgNO3) using the chemical reduction evaporation method, involving silver metal (Ag) with a molarity of 7.716 M and nitric acid (HNO3). The heating process via evaporation was carried out a
Externí odkaz:
https://doaj.org/article/1fde78ad4af74f77a677f664ef181dc1
Autor:
Syaiful Bahri, Wawan Abdullah Setiawan, Fendi Setiawan, Rosyidatul Lutfiah, Ni Luh Gede Ratna Juliasih, Yuli Ambarwati, Peni Ahmadi, Masayoshi Arai, John Hendri, Sutopo Hadi, Andi Setiawan
Publikováno v:
Science and Technology Indonesia, Vol 9, Iss 3, Pp 594-604 (2024)
Endophytic fungi originating from mangroves are potential sources of secondary metabolites with varying bioactivities. This research explores the bioactive metabolites produced by endophytes derived from mangrove plants. Endophytic fungi were collect
Externí odkaz:
https://doaj.org/article/bbf89f2c9b4b451e9ef9d5e21d2a947e
Autor:
Wasinton Simanjuntak, Kamisah Delilawati Pandiangan, Tika Dwi Febriyanti, Aryani Putri Islami, Sutopo Hadi, Ilim Ilim
Publikováno v:
AIMS Energy, Vol 12, Iss 3, Pp 600-616 (2024)
This research was conducted to study upgrading bio-crude oil (BCO) produced by pyrolysis of palm oil without the use of a catalyst, using protonated zeolite-Y designated as H-Y. Preparation of H-Y was carried out by subjecting zeolite-Y synthesized f
Externí odkaz:
https://doaj.org/article/4f08a04284104894b12cdd6bafd42c78
Autor:
Tati Suhartati, Antin S. Prihatin, Armidla N. Kurniati, Hendri Ropingi, Yandri Yandri, Sutopo Hadi
Publikováno v:
Emerging Science Journal, Vol 8, Iss 1, Pp 43-60 (2024)
In this present work, a cycloartobiloxanthone compound was isolated from the stem wood and root bark of the Pudau plant (Artocarpus kemando Miq.). The purity of the compound was determined using thin-layer chromatography with three eluent systems and
Externí odkaz:
https://doaj.org/article/971fa388ebb042ee93e1044cce447a31
Autor:
Rodhiansyah Djayasinga, Rudy Tahan Mangapul Situmeang, Fuangfa Unob, Sutopo Hadi, Posman Manurung, Sumardi Sumardi
Publikováno v:
Journal of Multidisciplinary Applied Natural Science, Vol 4, Iss 1, Pp 194-209 (2024)
Identifying the most effective material with antibacterial properties against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) is a challenging task considering the rising concerns about drug resistance. Various experiments through in
Externí odkaz:
https://doaj.org/article/4bdd9d5a44784d9aa7fd4427dd6537f0
Publikováno v:
Emerging Science Journal, Vol 7, Iss 5, Pp 1811-1826 (2023)
Stability enhancement attempted in this study demonstrated that significant improvement in the stability of the α-amylase isolated from Aspergillus fumigatus was achieved by immobilizing the enzyme on a bentonite/chitosan hybrid matrix using the ads
Externí odkaz:
https://doaj.org/article/ae047233cf9d4db9b60fe78529859358
Anticancer Activity Study of Modified Artocarpin Compound from Pudau Plant (Artocarpus kemando Miq.)
Publikováno v:
Emerging Science Journal, Vol 7, Iss 3, Pp 733-743 (2023)
This research is a continuation of the successful isolation of artocarpin from the root of Artocarpus kemando Miq reported in our previous study. In the previous study, the artocarpin was characterized with UV-Vis and FTIR techniques. In this follow-
Externí odkaz:
https://doaj.org/article/41974fcc24ec4736912306289d5964b1
Publikováno v:
Jurnal Sumberdaya Alam dan Lingkungan, Vol 10, Iss 1, Pp 22-29 (2023)
ABSTRAK Aluminium adalah jenis kofaktor logam terbaik. Pemaparan medan magnet 0,2mT pada garam aluminium mampu meningkatkan aktivitas enzim selulase pada bakteri Bacillus sp. Penelitian ini bertujuan untuk mencari jenis garam aluminium terbaik un
Externí odkaz:
https://doaj.org/article/bf6e82f1fa7f4a02bb39218bc6a65831
Publikováno v:
Drvna Industrija, Vol 74, Iss 1, Pp 53-60 (2023)
Waste is generated in the form of black liquor during pulp processing. Furthermore, lignin, the main ingredient of black liquor, contains a phenylpropanoid compound with prebiotic and antimicrobial activity. Also, it is a component of lignocellulose
Externí odkaz:
https://doaj.org/article/8a36065f633f4308a40f74a645d44979
Autor:
Bambang Irawan, Aandi Saputra, Salman Farisi, Yulianty Yulianty, Sri Wahyuningsih, Noviany Noviany, Yandri Yandri, Sutopo Hadi
Publikováno v:
AIMS Microbiology, Vol 9, Iss 1, Pp 41-54 (2023)
Pineapple litter has a complex polymer of cellulose, hemicellulose, and lignin, which makes them difficult to decompose. However, pineapple litter has great potential to be a good organic material source for the soil when completely decomposed. The a
Externí odkaz:
https://doaj.org/article/43714d7d9d054d68981850fade9e53cb