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Mahrus, Muhammad Haissul
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Chemistry

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PENYERAPAN LOGAM BERAT SECARA BIOKIMIAWI OLEH BAKTERI GRAM POSITIF DAN GRAM NEGATIF: A MINI RIVIEW Mahrus, Muhammad Haissul; Kartika, Rudi; Fahmi, Miraz’ul; Dimas P, Riansyah; Rahman, Fathur; Aswat, Raihan; Rizkirullah, M. Adhitya
PROSIDING SEMINAR KIMIA Vol 2 No 2 (2024): Prosiding SNKT III 2023
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Dyes are one source of heavy metal waste originating from the textile industry, this is caused by the manufacture of dyes that use heavy metals as catalysts. Heavy metals are very dangerous because they cannot be broken down or degraded. Wastewater produced from the textile industry can contain dangerous metals, namely chromium (Cr), copper (Cu) and lead (Pb), where if these metals enter water bodies they can damage the food chain. Therefore, an alternative method is used that can reduce this waste, namely the biosorption method using microorganisms in the form of bacteria. This research uses gram positive bacteria in the form of Streptococcus mutans bacteria which will be exposed to chromium (VI) metal and gram negative bacteria in the form of Flavobacterium sp bacteria which will be exposed to lead (Pb) metal and Pseudomonas sp bacteria which will be exposed to chromium (VI) metal, lead. (Pb), and copper (Cu). The aim of this research was to determine the absorption ability of negative and gram-positive salt bacteria on these heavy metals. Literature results show that Streptococcus mutans bacteria are able to absorb chromium (VI) metal with a maximum of 90.80% with a concentration of 5 ppm on the 5th day. Flavobacterium sp bacteria are able to absorb lead metal (Pb) with a maximum of 96% with a concentration of 2 ppm on the 18th day, while Pseudomonas sp bacteria are able to absorb chromium (VI) metal with a maximum of up to 96.192% with a concentration of 5 ppm on the second day. -14, lead(Pb) metal can be absorbed to a maximum of 36.874% with a concentration of 4 ppm on the 16th day and Cu(II) metal can be absorbed to a maximum of 84.447% with a concentration of 3 ppm on the 16th day. Keywords: Biosorption, Bacteria, Metal
POTENSI BEBERAPA SUMBER KARBOHIDRAT SEBAGAI BAHAN DASAR PEMBUATAN BIOETANOL MELALUI FERMENTASI Rahman, Fathur; Mahrus, Muhammad Haissul; Fahmi, Miraz’hul; Pratama, Riansyah Dimas; Aswat, Muhammad Raihan; Rizkirullah, Muhammad Aditya; Kartika, Rudi
PROSIDING SEMINAR KIMIA Vol 3 No 1 (2024): Prosiding SNK 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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This literature review aims to determine the potential of various carbohydrate sources as raw materials for bioethanol production through fermentation to achieve maximum ethanol concentration. The hydrolysis process is conducted enzymatically using microbes during the liquefaction stage and gluco-amylase during the saccharification stage, followed by fermentation by microbes. The literature results show that the carbohydrate source, Ganyong tuber (Canna edulis Kerr.), produces a maximum ethanol concentration of 84.451% with a fermentation period of 7 days. Keywords: Bioethanol, Fermentation, Hydrolysis, Carbohydrate
BEBERAPA JENIS METABOLIT SEKUNDER YANG BERPOTENSI SEBAGAI ANTI KANKER : A MINI REVIEW Rizkirullah, Muhammad Adhitya; Kartika, Rudi; Aswat, Raihan; Mahrus, Muhammad Haissul; Rahman, Fatur; Kurniawan, Andi; Azka, Andi Aulia Urrahman; Sanian, Sanian
PROSIDING SEMINAR KIMIA Vol 3 No 2 (2025): Prosiding SNKT 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Cancer is one of the leading causes of death worldwide, including in Indonesia. This review explores the potential of various plants as sources of anticancer compounds through secondary metabolite analysis. Plants such as Rosa damascena, Wild Onion (Scorodocarpus borneensis Becc), and Acalypha Indica have been studied for anticancer activity using in vitro methods. The results showed that extracts from Rosa damascena had varying IC50 values ​​against various types of cancer cells, including 16.28 μg/mL in liver cancer cells (HepG-2) and 18.09 μg/mL in breast cancer cells (MCF-7). In addition, Wild Onion showed very strong anticancer activity with an IC50 value of 1.1061 μg/mL in L1210 leukemia cells. Secondary metabolites such as flavonoids, alkaloids, and tannins were identified as key components contributing to the anticancer effects. These findings highlight the importance of further research to develop more effective and safe plant-based cancer therapies. Keyword: Anticancer, Cancer, Secondary Metabolites, Plants
Co-Authors Andi Kurniawan Aswat, Muhammad Raihan Aswat, Raihan Azka, Andi Aulia Urrahman Dimas P, Riansyah Fahmi, Miraz’hul Fahmi, Miraz’ul Fathur Rahman fatur Rahman, fatur Pratama, Riansyah Dimas Rizkirullah, M. Adhitya Rizkirullah, Muhammad Adhitya Rizkirullah, Muhammad Aditya Rudi Kartika, Rudi Sanian, Sanian