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# Judul Penulis Tahun Akses
Repositori Institusi

Linking the national plans for acceleration and expansion of eonomic development to programming in the education sector

Kementerian Pendidikan dan Kebudayaan, 2017
At present a substantial part of Indonesia's wealth is based on agriculture, and the extraction of raw materials. The economic and industrial strategy pursued by the present government, like the previous, recognizes that this is not a sufficient...
Jurnal Institusi

Transformation of Eugenol and Safrole into Hydroxychavicol

Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 77-85
Universitas Gadjah Mada, 2015DOI: 10.22146/ijc.21227http://creativecommons.org/licenses/by-nc-nd/4.0
Hydroxychavicol is found in betel leaf at low concentration and is reported to have antibacterial, anti-inflammatory, antioxidant, anticancer, and antimutagenic activities. This study aimed to synthesize hydroxychavicol from eugenol and safrole. Isol...
Jurnal Institusi

Evaluation of Lagergren Kinetics Equation by Using Novel Kinetics Expression of Sorption of Zn2+ onto Horse Dung Humic Acid (HD-HA)

Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 338-346
Universitas Gadjah Mada, 2018DOI: 10.22146/ijc.21151http://creativecommons.org/licenses/by-nc-nd/4.0
Extraction and purification of humic acid from dry horse dung powder (HD-HA) was performed successfully and the purified HD-HA was then applied as sorbent to adsorb Zn2+. Extraction and purification were performed based on procedure of Stevenson (199...
Jurnal Institusi

Quantification of Andrographolide Isolated from Andrographis paniculata Nees Obtained from Traditional Market in Yogyakarta Using Validated HPLC

Indonesian Journal of Chemistry; Vol 16, No 2 (2016); 190-197
Universitas Gadjah Mada, 2018DOI: 10.22146/ijc.21163http://creativecommons.org/licenses/by-nc-nd/4.0
This research was aimed to quantification of andrographolide isolated from A. paniculata Ness found in traditional market in Yogyakarta using validated HPLC to obtain high level content of andrographolide. The extraction of andrographolide from A. pa...
Jurnal Institusi

New Prenylated Stilbenes and Antioxidant Activities of Cajanus cajan (L.) Millsp. (Pigeon pea)

Indonesian Journal of Chemistry; Vol 16, No 2 (2016); 151-155
Universitas Gadjah Mada, 2018DOI: 10.22146/ijc.21158http://creativecommons.org/licenses/by-nc-nd/4.0
New Prenylated stilbene derivatives, 3-hydroxy-4-prenyl-5-methoxy-stilbene acid (1) and 5,4'-dihydroxy-3-methoxy-2-prenyl-stilbene (2) had been isolated from methanol extract of Cajanus cajan (L.) Millsp. (Pigeon pea), a member of family fabacea...
Jurnal Institusi

LAM (Libraries, Archives, Museums) dalam preservasi pengetahuan

Berkala Ilmu Perpustakaan dan Informasi; Vol 17 No 2 (2021): December; 181-194
Library and Archive, Universitas Gadjah Mada, 2021DOI: 10.22146/bip.v17i2.1722https://creativecommons.org/licenses/by-sa/4.0
Introduction. This paper aims to determine the collaboration of LAM (Libraries, Archives, Museums) in implementing knowledge preservation. Methods. A systematic review with a qualitative approach was used, and the articles were selected from Google ...
Jurnal Institusi

Radiochemical Separation of 161Tb from Gd/Tb Matrix Using Ln Resin Column

Indonesian Journal of Chemistry; Vol 16, No 3 (2016); 283-288
Universitas Gadjah Mada, 2018DOI: 10.22146/ijc.21143http://creativecommons.org/licenses/by-nc-nd/4.0
Terbium-161 (161Tb) is a potential radiolanthanide due to its favorable properties for treatment small size of cancer. Preliminary study on radiochemical separation of 161Tb from Gd/Tb matrix using Ln resin column based on extraction chromatography m...
Jurnal Institusi

Chemical Composition, Phytochemical Screening and Antioxidant Activity of Acmella uliginosa (Sw.) Cass Leaves

Indonesian Journal of Chemistry; Vol 16, No 2 (2016); 162-174
Universitas Gadjah Mada, 2018DOI: 10.22146/ijc.21160http://creativecommons.org/licenses/by-nc-nd/4.0
Acmella uliginosa (Sw.) Cass is widely used in traditional medicine and used in the treatment of many diseases. Extraction of component in leaves of Acmella uliginosa used methanol, ethyl acetate and n-hexane solvent. The percentage yield of extract ...
Jurnal Institusi

Structure and Compatibility Study of Modified Polyurethane/Fe3O4 Nanocomposite for Shape Memory Materials

Indonesian Journal of Chemistry; Vol 15, No 2 (2015); 130-140
Universitas Gadjah Mada, 2015DOI: 10.22146/ijc.21206http://creativecommons.org/licenses/by-nc-nd/4.0
Shape Memory Polymer (SMP) is one of smart materials class that has the ability to recall a given shape before deformation in the transient state. The development of SMP is dominated by polyurethane which is currently focused on the optimization of m...
Jurnal Institusi

Penerapan Crowdsourcing dalam Interaksi Komunitas Informasi di Indonesia: Systematic Literature Review

Lentera Pustaka: Jurnal Kajian Ilmu Perpustakaan, Informasi dan Kearsipan; Vol 8, No 2 (2022): December; 95-108
Library and Information Science Study Program, Faculty of Humanities, Univ. Diponegoro, 2022DOI: 10.14710/lenpust.v8i2.46649http://creativecommons.org/licenses/by-sa/4.0
Penelitian ini bertujuan untuk mengetahui penerapan metode, konsep, dan manfaat crowdsourcing dalam interaksi komunitas informasi di Indonesia. Mengetahui bagaimana penerapan metode, konsep, dan manfaat dari crowdsourcing jika diterapkan di Indonesia...
PubMed

Effects of Green Extraction Methods on Antioxidant and Antimicrobial Properties of Artichoke (Cynara scolymus L.) Leaves

Food Technol Biotechnol
Faculty of Food Technology and Biotechnology University of Zagreb, 2024DOI: 10.17113/ftb.62.03.24.8267https://creativecommons.org/licenses/by/4.0/
RESEARCH BACKGROUND: Artichoke leaves, an important waste product of the food industry, have an important antioxidant and antimicrobial capacity. Although there are several studies in the literature to determine their antioxidant and antimicrobial ac...
PubMed

Effect of Korean Red Ginseng extraction conditions on antioxidant activity, extraction yield, and ginsenoside Rg1 and phenolic content: optimization using response surface methodology

J Ginseng Res
Elsevier, 2015DOI: 10.1016/j.jgr.2015.08.001https://creativecommons.org/licenses/by-nc-nd/4.0/
BACKGROUND: Extraction conditions greatly affect composition, as well as biological activity. Therefore, optimization is essential for maximum efficacy. METHODS: Korean Red Ginseng (KRG) was extracted under different conditions and antioxidant activi...
PubMed

Extraction Techniques for Polycyclic Aromatic Hydrocarbons in Soils

Int J Anal Chem
Wiley, 2010DOI: 10.1155/2010/398381https://creativecommons.org/licenses/by/3.0/
This paper aims to provide a review of the analytical extraction techniques for polycyclic aromatic hydrocarbons (PAHs) in soils. The extraction technologies described here include Soxhlet extraction, ultrasonic and mechanical agitation, accelerated ...
PubMed

Optimization of Ultrasonic-Assisted Extraction of Cordycepin from Cordyceps militaris Using Orthogonal Experimental Design

Molecules
Multidisciplinary Digital Publishing Institute (MDPI), 2014DOI: 10.3390/molecules191220808http://creativecommons.org/licenses/by/4.0/
This study reports on the optimization of the extraction conditions of cordycepin from Cordyceps militaris by using ultrasonication. For this purpose, the orthogonal experimental design was used to investigate the effects of factors on the ultrasonic...
PubMed

A Natural Language Processing–Assisted Extraction System for Gleason Scores: Development and Usability Study

JMIR Cancer
JMIR Publications Inc., 2021DOI: 10.2196/27970https://creativecommons.org/licenses/by/4.0/
BACKGROUND: Natural language processing (NLP) offers significantly faster variable extraction compared to traditional human extraction but cannot interpret complicated notes as well as humans can. Thus, we hypothesized that an “NLP-assisted” extr...
PubMed

Optimization of Extraction Conditions of Carotenoids from Dunaliella parva by Response Surface Methodology

Molecules
Multidisciplinary Digital Publishing Institute (MDPI), 2022DOI: 10.3390/molecules27041444https://creativecommons.org/licenses/by/4.0/
Extraction conditions can exert a remarkable influence on extraction efficiency. The aim of this study was to improve the extraction efficiency of carotenoids from Dunaliella parva (D. parva). Dimethyl sulfoxide (DMSO) and 95% ethanol were used as th...
PubMed

Post-extraction bleeding in patients on direct oral anticoagulants

J Korean Assoc Oral Maxillofac Surg
Korean Association of Oral and Maxillofacial Surgeons, 2024DOI: 10.5125/jkaoms.2024.50.4.189https://creativecommons.org/licenses/by-nc/4.0/
OBJECTIVES: This study aimed to evaluate the association between use of direct oral anticoagulants (DOACs) and post-extraction bleeding and to quantify bleeding risk in patients receiving DOACs. MATERIALS AND METHODS: The study included 293 patients ...
PubMed

Extraction Optimization of Polysaccharides from Wet Red Microalga Porphyridium purpureum Using Response Surface Methodology

Mar Drugs
Multidisciplinary Digital Publishing Institute (MDPI), 2024DOI: 10.3390/md22110498https://creativecommons.org/licenses/by/4.0/
Porphyridium is a unicellular marine microalga that is rich in polysaccharides and has excellent biological activities. Optimizing the extraction of polysaccharides can significantly improve the value of Porphyridium biomass. In the present study, re...
PubMed

A Comprehensive Review on Advanced Extraction Techniques for Retrieving Bioactive Components from Natural Sources

ACS Omega
American Chemical Society, 2024DOI: 10.1021/acsomega.4c02718https://creativecommons.org/licenses/by/4.0/
[Image: see text] The extraction of bioactive components from natural sources has gained significant attention in recent years due to increasing demand for natural and functional constituents in various industries, including pharmaceuticals, food, an...
PubMed

A Comparative Analysis of Phenolic Content, Antioxidant Activity, Antimicrobial Activity, and Chemical Profile of Coffea robusta Extracts Using Subcritical Fluid Extraction and Supercritical Carbon Dioxide Extraction

Foods
Multidisciplinary Digital Publishing Institute (MDPI), 2023DOI: 10.3390/foods12183443https://creativecommons.org/licenses/by/4.0/
In this study, extracts of Robusta-roasted coffee were obtained using various extraction techniques, including subcritical fluid extractions using HFC-134a and HCFC-22 under room-temperature batch extraction, frozen-temperature batch extraction, and ...