Article Per Year (5 Year)
p-Index From 2021 - 2026
3.312
P-Index
This Author published in this journals
All Journal PROSIDING SEMINAR KIMIA REPOSITORY KIMIA Jurnal Kimia Mulawarman ANNALES BOGORIENSES JURNAL ATOMIK Jurnal Riset Teknologi Industri Jurnal Riset Kefarmasian Indonesia Annales Bogorienses
Rudi Kartika, Rudi
Jurusan Kimia Fakultas Matematika Dan Ilmu Pengetahuan Alam Universitas Mulawarman
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Nursing Public Health

Published : 88 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 88 Documents
Search

 5   6   7   8   9 
PHYTOCHEMICAL TEST AND ANTIBACTERIAL ACTIVITY FROM MERUNG LEAVES (Coptosapelta tomentosa) AGAINST Staphylococcus aureus AND Propionibacterium acnes BACTERIA Ulfa, Yulyanti Sartika; Kartika, Rudi; Saleh, Chairul
JURNAL ATOMIK Vol 6 No 1 (2021)
Publisher : Jurusan Kimia FMIPA UNMUL

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penelitian tentang uji fitokimia dan aktivitas antibakteri daun Merung (Coptosapelta tomentosa) terhadap bakteri Staphylococcus aureus dan Propionibacterium acne telah dilakukan. Penelitian ini berupa uji fitokimia dan uji aktivitas antibakteri dengan metode kertas cakram dari ekstrak kasar, fraksi metanol dan fraksi etil asetat pada daun merung (Coptosapelta tomemtosa). Hasil penelitian ini menunjukkan bahwa ekstrak kasar, fraksi metanol dan fraksi etil asetat mengandung senyawa metabolit sekunder dan pada uji aktivitas antibakteri dari ekstrak kasar, fraksi metanol dan fraksi etil asetat menunjukkan adanya aktivitas antibakteri terhadap bakteri Staphylococcus aureus dengan range MIC masing-masing sebesar 2,5% dengan diameter zona hambat 20 mm dan pada bakteri Propionibacterium acne tidak memiliki aktivitas antibakteri.
ANALISIS VARIASI NUTRISI AMMONIUM SULFAT DAN UREA DALAM PEMBUATAN BIOETANOL DARI KULIT PISANG KEPOK (Musa paradisiaca. L) DENGAN HIDROLISIS ENZIMATIK DAN FERMENTASI MENGGUNAKAN Sacchromyces Cerevisiae Sahriani, Andi; Yusuf, Bohari; Kartika, Rudi
JURNAL ATOMIK Vol 1 No 2 (2016)
Publisher : Jurusan Kimia FMIPA UNMUL

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Telah dilakukan penelitian analisis variasi nutrisi ammonium sulfat dan urea dalam pembuatan bioetanol dari kulit pisang kepok (Musa paradisiaca. L) dengan fermentasi menggunakan saccharomyces cerevisiae. Pada  penelitian ini hasil  menunjukkan  konsentrasi  ammonium  sulfat  0,5 %, 1 % dan 1,5 % yang optimum masing-masing konsentrasi menghasilkan kadar etanol yaitu sebesar 7,799 %, 5,195 % dan 3,121 % sedangkan pada konsetrasi urea yang optimum masing-masing konsentrasi menghasilkan kadar etanol yaitu sebesar 21,409 %, 16,809 % dan 22,439 %. Waktu fermentasi optimum pada ammonium sulfat adalah 7 hari sedangkan waktu fermentasi pada urea yang optimum adalah 5 hari. Berdasarkan uji statistik koefisien determinasi R2 dan dilanjutkan dengan koefisien korelasi terdapat hubungan waktu fermentasi dan penambahan nutrisi ammonium sulfat terhadap kadar etanol dan waktu fermentasi dan penambahan nutrisi urea terhadap kadar etanol. Kata Kunci : Bioetanol, Pisang Kepok (Musa paradisiaca. L), Ammonium Sulfat, Urea.
Optimasi Kinerja Analitik Terhadap Penentuan Kadar Fluorin Pada Batubara Dengan Metode Spektrofotometer Visible Adha, Laila Sufina; Panggabean, Aman Sentosa; Kartika, Rudi
JURNAL ATOMIK Vol 2 No 1 (2017)
Publisher : Jurusan Kimia FMIPA UNMUL

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The research about analytical performance optimization to the determination of fluorine’s concentration inside coal using visible spectrophotometry method has been done. The optimum result of the obtain for measurement, some parameters of measurements were validated. Parameters of validation used in this research are accuracy, precision, linearity, LOD, LOQ and robustness of the method. The results of research obtained, the accuracy was 99,34% described in percent of the recovery, obtained precision are 0,4309% described in percent of RSD with linearity equation was y = 10,79x + 16,77. The result of measurement is very good which described by the value of LOD 0,0638 ppm and LOQ 0,2127 ppm. The conclusion of results are the determination of fluorine's concentration inside coal using visible spectrophotometry method have good precision and accuracy which can be accounted.
PEMBUATAN BIOETANOL DARI BIJI LAI (Durio kutejensis) Aditya, Roy; -, Alimuddin; Kartika, Rudi
JURNAL ATOMIK Vol 1 No 1 (2016)
Publisher : Jurusan Kimia FMIPA UNMUL

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Durian Lai (Durio kutejensis) merupakan buah lokal Kalimantan. Sejauh ini biji buah lai belum dimanfaatkan hanya dibuang begitu saja sebagai limbah, kandungan karbohidrat yang tinggi mencapai 47,6 %. Penelitian ini bertujuan untuk mengetahui konsentrasi amonium sulfat dan waktu fermentasi terbaik terhadap kadar bioetanol yang dihasilkan. Proses hidrolisisi pati dilakukan secara  enzimatis melalui tahap liquifikasi dan sakarifikasi dengan menggunakan enzim alfa-amilase dan glukolase yang akan mengkonversi pati menjadi glukosa. Glukosa hasil hidrolisis ditambahkan amonium sulfat sebagai sumber nutrisi dengan variasi 0,1 %; 0,3 % dan 0,5 % (b/v) kemudian difermentasi menggunakan jamur Saccharomyces cereviceaea dengan variasi waktu 4, 5 dan 6 hari. Pemurnian bioetanol dilakukan dengan proses destilasi. Analisa kadar etanol menggunakan kromatografi gas. Hasil penelitian menunjukkan penambahan nutrisi amonium sulfat yang paling optimum adalah 0,3 % (b/v) dan waktu fermentasi yang optimum adalah 6 hari dengan kadar etanol sebesar 9,403 %. Kata Kunci : Biji lai (Durio kutejensis), ammonium sulfat, fermentasi, bioetanol
PENGARUH ION LOGAM TERHADAP AKTIVITAS LIPASE DARI ISOLAT BAKTERI HALOFILIK PADA AIR LAUT MUARA BADAK Nasution, Safridah Hannum; Astuti, Winni; Kartika, Rudi
JURNAL ATOMIK Vol 4 No 2 (2019)
Publisher : Jurusan Kimia FMIPA UNMUL

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (278.904 KB)

Abstract

Penelitian ini dilakukan untuk menseleksi bakteri halofilik penghasil lipase dan pengaruh ion logam terhadap ekstrak kasar lipase. Seleksi bakteri penghasil lipase ditunjukkan dengan adanya pendar jingga di sekitar koloni di bawah sinar UV pada media NA yang mengandung minyak zaitun dan Rhodamine-B. Isolat yang memiliki aktivitas lipase tertinggi kemudian diproduksi lipasenya dan di uji aktivitasnya. Hasil penelitian diperoleh waktu produksi lipase pada 72 jam. Penambahan CaCl2 meningkatkan aktivitas lipase dengan aktivitas relatif sebesar 115% sedangkan, KCl, BaCl2 dan MgCl2 menurunkan aktivitas lipase dengan aktivitas relatif berturut-turut sebesar 78,82, 96,5 dan 80% terhadap aktivitas lipase tanpa penambahan ion logam. Penambahan FeCl3 menyebabkan ekstrak kasar lipase terdenaturasi.
ENZYMATIC HYDROLYSIS WITH Saccharomyces cerevisiae FOR ETHANOL PRODUCTION FROM MULI BANANA PEEL (Musa acuminata Linn) Julianto, Faisal Reja; Kartika, Rudi; Ruga, Ritbey
JURNAL ATOMIK Vol 4 No 2 (2019)
Publisher : Jurusan Kimia FMIPA UNMUL

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (346.508 KB)

Abstract

Ethanol production from starch of muli banana peel by enzymatic hydrolysis with the addition of gelatin as a fermentation nutrient for Saccharomyces cerevisiae was done. This research consists of hydrolysis, fermentation, distillation and testing carried out by Gas Chromatography. This research was conducted to determine the optimal time and the optimum nutrient concentration, that can be seen that the optimum time at 7 days and the optimum nutrient concenctration in addition of 2% nutrient with ethanol concentration of 36.344%.
ANTIHYPERGLYCEMIC ACTIVITY OF JAMBU MAWAR LEAVES EXTRACT (Syzygium jambos (L.) Aston) ON MALE RABBIT ALLOXANT INDUCTED Prastiwi, Mela; Kartika, Rudi; Hindryawati, Noor
JURNAL ATOMIK Vol 4 No 1 (2019)
Publisher : Jurusan Kimia FMIPA UNMUL

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (202.071 KB)

Abstract

Antihyperglycemic activity of jambu mawar leaves extract (Syzygium jambos (L.) Aston) to lower blood glucose levels in male rabbits (Oryctolagus cuniculus) induced by alloxant has been conducted. Simplicia jambu mawar leaves (Syzygium jambos (L.) Aston) were macerated using ethanol 96%. The testing activity of antihyperglycemic done experimentally et the laboratory with each dose of 374.5 mg/Kg and 749 mg/Kg given orally on the male rabbits in the induction alloxant. Measurement of blood glucose levels was done on the (7, 14, 21, 28 and 32) by using a glucometer and glucose test strips. The ethanol extracts of jambu mawar leaves (Syzygium jambos (L.) Aston) revealed the effect by decreasely the blood glucose levels in male rabbits induced by alloxant. Keywords: Jambu Mawar leaves (Syzygium jambos (L.) Aston), Antihyperglicemic, Alloxant and glucometer.
THE INFLUENCE OF Pb (II) ION CONCENTRATION ON PROTEIN CONTENT IN MUSSEL SHELLS (Mactra violacea) IN CONTAMINATED AREA OF TARAKAN ISLAND EAST KALIMANTAN Tanjung, Faisal; Kartika, Rudi; Hindryawati, Noor
JURNAL ATOMIK Vol 3 No 2 (2018)
Publisher : Jurusan Kimia FMIPA UNMUL

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (428.846 KB)

Abstract

The researched about the correlation level of metal lead (Pb) towards the protein content of mussel shells (Mactra violacea) had been done. This research was taken in the coastal water of Tarakan, North Borneo. The research aimed to know concentration of ion (Pb) and protein content of mussel shells (Mactra violacea) based on the size and location of the different sampling. Afterwards, the lead (Pb) metal and protein were correlated using Least Square method. Analysis of concentration of Pb ion was performed by using AAS (Atomic Absorption Spectrofotometry) and analysis of protein content using Kjehdal method. From this research, it was found the concentration of Pb ion on point 1 is by an average of 0.7220 mg/L, on point 2 is by an average of 0.7433 mg/L and point 3 is by an average of 0.9208 mg/L. It is also found the content protein of mussel shells (Mactra violacea) on point 1 is by an average of 19,9883%, on point 2 it was found the average of protein content of 21.7714% and point 3 by an average 22.8664%. The correlation concentration of Ion Pb towards protein conten on kerang kepah (Mactra violacea) symbolized as r = 0.8448.
UJI ANTIHYPERGLIKEMIK EKSTRAK ETANOL AKAR TEMBELEKAN (Lantana camara L.) TERHADAP KADAR GLUKOSA DARAH MENCIT JANTAN (Mus musculus) Sulistiani, Oktaviana Dewi; Kartika, Rudi; Sitorus, Saibun
JURNAL ATOMIK Vol 1 No 1 (2016)
Publisher : Jurusan Kimia FMIPA UNMUL

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Phytochemical screening from extract ethanol of tembelekan root has been carried out, its showed the presence of alkaloids, phenol, sapponin and flavonoids. Antihyperglikemik test from ethanol extract of tembelekan root had been done through experiment in laboratory, each doses 13,95, 27,90 and 55,80 mg/Kg BW was given orally at male mice to know the effect of antihyperglikemik toward the decrease of glukosa level in male mice's blood. The measurement at glucose level inside male mice's blood was done on 0th, 8th and 18th day by using glucometer and glucotest strip devices. giving the variation of doses etanol extract of tembelekan root, its showed at doses 55,80 mg/Kg BW could decrease the glucose level until 61,57%. From this research showed the result of  decrease of glucose level because the effect from ethanol extract of tembelekan root that distributed inside the blood.  Keywords : Tembelekan root, antihyperglikemic, blood glucose, mice, alloxan
MINI REVIEW : PENGARUH KONSENTRASI BIOETANOL PADA PROSES FERMENTASI MENGGUNAKAN KROMATOGRAFI GAS Kurniawan, Andi; Aswad, Muhammad Raihan; Azka, Andi Aulia Urrahman; Rizkullah, Muhammad Adhitya; Jofri, Dirga Hosea Seventin; Kartika, Rudi
PROSIDING SEMINAR KIMIA Vol 3 No 2 (2025): Prosiding SNKT 2024
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Fermentation has been used by traditional societies as far back as 6000 AD involving microorganisms such as yeast and bacteria that can convert carbohydrates into alcohol and carbon dioxide. This process is essential for the production of bioethanol produced from agricultural residues. Fermentation testing can be done using raw materials such as tubers, sticky rice, sago, water hyacinth and cassava to produce bioethanol as an alternative renewable energy. Methods This research utilizes 8 articles from national and international literature studies in the last 10 years that focus on the fermentation process to produce bioethanol. Research and development of efficient fermentation techniques is urgently needed to increase the yield and sustainability of bioethanol production, thus becoming an environmentally friendly solution in meeting global energy needs. Keywords : Bioethanol, Fermentation, microorganisms
Co-Authors Abimanyu, Priem Reyhan Adha, Laila Sufina Aditya, Roy Admaja, Junior Try Adnyana, Ketut Cahyadi Ahmad Suryadi, Ahmad Alimuddin - Alimuddin - Aman S Panggabean Aman S Panggabean, Aman S Aman S. Panggabean Aman Sentosa Panggabean Andi Kurniawan Annuary Laksono Arifwan - Ary Rizki Darmawi Ary Rizki Darmawi, Ary Rizki Aswad, Muhammad Raihan Aswat, Muhammad Raihan Aswat, Raihan Azka, Andi Aulia Urrahman Bayu Iskandar Bohari Yusuf Bohari Yusuf Bonifasius, Bonifasius Bustanussalam Bustanussalam Bustanussalam Bustanussalam, Bustanussalam Chairul Saleh Chairul Saleh Corebima, Damianus Develistur Delina Khairunnisa Dilo Jhosea Luciano Eduardo Dimas P, Riansyah Djihan Ryn Pratiwi, Djihan Ryn Dwi Lestari Dwi Susanto Edi Novian Jaya Edman Tandirerung Eka Damayanti Setyningrum Eka Setia Rini Eka Siswanto Syamsul Eno Julia Shafarini Erwin - Erwin Erwin Eva Marliana, Eva Fahmi, Miraz’hul Fahmi, Miraz’ul Farida Farida Fathur Rahman Fathur Rahman fatur Rahman, fatur Fauzi Rachman Fauzi Rachman Firmansyah - Fitriana, Mila Gelung, Antonius Hamsiana - Hendra Priatna Hendric Surya Putra I Wayan Arief Pradana Putra Iskandar, Bayu Jaya, Edi Novian Jofri, Dirga Hosea Seventeen Jofri, Dirga Hosea Seventin Julianto, Faisal Reja Kalmud Nia Tekha Laksono, Annuary Lila Karina Nuryanti Lilik Sulastri Lumban Gaol Veronica Destiana Mahrus, Muhammad Haissul Maria Amelia Kristianingrum Marliani, Nelly Marlina, Eva Mila Fitriana Mira Wahyuni Mira Wahyuni, Mira Miraz’hul Fahmi Muhammad Adhitya Rizkirullah Muhammad Haissul Mahrus Muhammad Harry Rahmadan Muhammad Raihan Aswat Muhammad Sigit Ariski Nasution, Safridah Hannum Noor Hindryawati Noor Hindryawati, Noor Nur Asmawati Nur, Istianti Irfa'a Octavianus, Riyan Octavianus, Riyan Partomouan Simanjuntak Partomuan Simanjuntak Partomuan Simanjuntak Partomuan Simanjuntak Partomuan Simanjuntak Partomuan Simanjuntak Prastiwi, Mela Pratama, Riansyah Dimas Rahmat Gunawan Rahmat Gunawan Rahmat Gunawan Rezky Estrada Ricard, Romoldus Jonius Rico Ramadhan, Rico Rida Awliyani Ripaldy Apriansya Riyan Octavianus Rizkirullah, M. Adhitya Rizkirullah, Muhammad Adhitya Rizkirullah, Muhammad Aditya Rizkullah, Muhammad Adhitya rizky maulida amalia hanif Ruga, Ritbey Rutdianti Rutdianti Rutdianti, Rutdianti Sahriani, Andi Saibun Sitorus Sanian, Sanian Sari Setianingsih Setianingsih, Sari Setyningrum, Eka Damayanti Shafarini, Eno Julia Shaparuddin Nur Arifullah Simanjuntak, Partomuan Solman, Solman Suaibatul Aslamiah Subur P Pasaribu Sudrajat Sudrajat Sukanadi, I Putu Sukma Wiratama Sulistiani, Oktaviana Dewi Sulistiyawati, Rizki Ramadhani Syelvia Lousiana Kalauw Syelvia Lousiana Ningsih Kalauw Tandirerung, Edman Tanjung, Faisal Trisnawati, Eka Elly Ulfa, Yulyanti Sartika Utami, Nanda Putri Wahyu Budi Utama Wahyu Budi Utama Wahyu Teguh Santoso Wahyu Teguh Santoso Wajdie, Farid Winni Astuti Winni Astuti, Winni Wulan Verani Yeni Agustina Yeni Agustina, Yeni Yerwanto Ilang Yerwanto Ilang, Yerwanto