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All Journal AKSIOMA: Jurnal Program Studi Pendidikan Matematika JITEK (Jurnal Ilmiah Teknosains) Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Indonesian Journal of Technology, Informatics and Science (IJTIS) Prosiding University Research Colloquium Abdi Teknoyasa Jurnal Pengabdian dan Pemberdayaan Masyarakat Indonesia
Siti Fatimah
Universitas Muhammadiyah Surakarta
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Veterinary

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KAJIAN DAUN KEMANGI (Ocimum Bacillium) SEBAGAI BACTERIAL DEACTIVATED AGENT (BDA)PADA SINTESIS SABUN CAIR CUCI TANGAN DARI MINYAK JELANTAH Siti Fatimah; Satria Nur Wardhana
Jurnal Ilmiah Teknosains Vol 5, No 1 (2019): JiTek
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (345.73 KB) | DOI: 10.26877/jitek.v5i1.3544

Abstract

Waste cooking oil is oil that used in household needs that have been used repeatedly and some are not suitable for consumption anymore. Waste cooking oil contains carcinogenic substances that harm the body because it can cause cancer, narrowing of blood vessels that trigger coronary heart disease, stroke, hypertension. The innovation of processing used cooking oil is another product, one of which is soap making. The method that can be used is the Carbon Activated Agent (CAA) saponification process, where activated carbon is used as the neutralizing agent. CAA material combined with ocimum bacillium leaf extract in the process of making this soap can be an antiseptic substance. Ocimum bacillium leaves as a bacterial deactivated agent (BDA) have 4 dominant compounds, namely linalool, geraniol, sitral, and eugenol which function as antiseptics. The variables used in this study included variations in the addition of basil leaf extract as BDA (10%, 14%, 18%) and variations in the ratio of the amount of added KOH (20 mL, 30 mL, and 40 mL). The results showed that the addition of 18% basil extract and with the addition of KOH by 30 mL gave the greatest inhibition of bacterial growth of 1.9 cm.
TREATMENT OF TRADITIONAL ETHANOL FERMENTATION WASTE WITH ELECTROLYSIS METHOD FOR DECREASING COD AND SULFIDE Dimas Eko Saputro; Siti Fatimah
Indonesian Journal of Technology, Informatics and Science (IJTIS) Vol 2, No 2 (2021): IJTIS Volume 2 No 2 (Juni 2021)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/ijtis.v2i2.5571

Abstract

Ethanol is produced from molasses by a fermentation process. In Bekonang, ethanol manufacturingby a home-scale industry so the waste just thrown away in free water then pollution occurs both in rivers and in paddy fields. Ethanol waste has very high chemical oxygen demand (COD) and contain high sulfide. Electrolysis that use for reduce leves COD dan Sulfide with electricity as main source for direct current flowing  electricity (dc) to the anode and cathode. Electrolysis time 10, 15, 20, 25 and 30 minutes and voltage variation 5, 10 and 15 volt. Based on data obtained in the test COD obtained optimum levels of  284.5 mg/L from the initial content of  586 mg/L , at a time variation of 30 minutes and voltage 15 volt. The sulfide test obtained optimum levels of 0.0661 mg/L from the initial content of 0.305 mg/L, at time variation of 25 minutes and a voltage of 15 volt.
Ekstraksi Gelatin dari Tulang Ikan Nila Merah (Oreochromis Niloticus) dengan Variasi Konsentrasi Asam Klorida (HCl) Nurul Diah Lestari; Siti Fatimah
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 6, No 2 (2021): EDISI SEPTEMBER 2021
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v6i2.2704

Abstract

Gelatin is a protein from animal bones, white connective tissue, or skin collagen. Every year the number of imports of gelatin from several countries is increasing. With the production of gelatin from tilapia bones on a large scale, it is hoped that it can help improve the economy in Indonesia and reduce the number of gelatin imports. The purpose of this study was to process tilapia bone into gelatin using hydrochloric acid to make it the essential ingredient for making gelatin which is halal and can be consumed to reduce the amount of tilapia bone waste. The concentrations of hydrochloric acid used were 4, 5, and 6% in 500 ml of solution. The concentration of hydrochloric acid affects the yield of gelatin. The quality of gelatin obtained has met the criteria of national gelatin quality standards to be used for food raw materials. The resulting yield ranges from 1.56 - 3.13%, while the water content ranges from 6.7 - 12.17%, ash content from 1.75 - 2.52%, and pH 4.12 - 5.04.ABSTRAKGelatin merupakan protein dari tulang hewan, jaringan ikat putih, atau kolagen kulit. Setiap tahun jumlah impor gelatin dari beberapa negara semakin meningkat. Dengan adanya produksi gelatin dari tulang ikan nila dengan skala yang besar diharapkan dapat membantu meningkatkan perekonomian di Indonesia dan mengurangi jumlah impor gelatin. Tujuan dari penelitian ini adalah mengolah tulang ikan nila menjadi gelatin dengan penggunaan asam klorida guna menjadikannya sebagai bahan dasar pembuatan gelatin yang halal dan dapat dikonsumsi sehingga dapat mengurangi jumlah limbah tulang ikan nila. Konsentrasi asam klorida yang digunakan yaitu 4, 5, dan 6% dalam 500 ml larutan. Konsentrasi asam klorida mempengaruhi hasil dari gelatin.  Kualitas gelatin yang didapatkan telah memenuhi kriteria standar mutu gelatin nasional sehingga dapat dipakai untuk bahan baku makanan. Rendemen yang dihasilkan berkisar 1,56 – 3,13 % sedangkan kadar air berkisar antara 6,7 – 12,17 %, kadar abu 1,75 – 2,52 %, dan pH 4,12 – 5,04.
Pengaruh Penambahan Ekstrak Kecambah dan Kadar Gula Pasir Terhadap Karakteristik Nata De Soya dari Limbah Cair Tahu Dewi Lestari; Siti Fatimah
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 6, No 2 (2021): EDISI SEPTEMBER 2021
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v6i2.2614

Abstract

The manufacture of Nata de soya uses additional chemicals in Zwavelzure Ammonia (ZA) which functions as a nitrogen source. ZA is dangerous if consumed at the maximum limit, so it needs to be replaced with natural ingredients. Sprout is one of the natural ingredients containing organic nitrogen. This mung bean sprout will be used as a nitrogen source to replace the function of ZA. This study aims to determine the effect of adding green bean extract and sugar as characteristics of Nata de soya. This study is prepared using a completely randomized design (CRD). According to the Standard National Indonesian (SNI), the best test results obtained are 98.76% water content, 12.68% vitamin C, 22.74% yield, 1.1 cm thickness, and less than 4.5% fiber content.ABSTRAKPembuatan nata de soya menggunakan bahan kimia tambahan berupa Zwavelzure Ammoniak (ZA) yang berfungsi sebagai sumber nitrogen. ZA berbahaya jika dikonsumsi dalam batas maksimum sehingga perlu diganti dengan bahan alami. Kecambah adalah salah satu bahan alami yang mengandung nitrogen organik. Kecambah kacang hijau inilah yang akan digunakan sebagai sumber nitrogen untuk menggantikan fungsi dari ZA. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan ekstrak kecambah kacang hijau dan gula sebagai karakteristik nata de soya. Penelitian ini menggunakan metode Rancangan Acak Lengkap (RAL). Didapat hasil uji terbaik kadar air 98,76%, vitamin c 12,68%, rendemen 22,74%, ketebalan 1,1 cm dan kadar serat kurang dari 4,5% sesuai Standar Nasional Indonesia (SNI).
KEMAMPUAN LITERASI MATEMATIKA PESERTA DIDIK DALAM MENYELESAIKAN SOAL HIGHER ORDER THINKING SKILL (HOTS) Nining Setyaningsih; Siti Fatimah
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 11, No 3 (2022)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (553.329 KB) | DOI: 10.24127/ajpm.v11i3.5442

Abstract

The development of information and communication technology has an impact on the need for innovative resources and is able to solve problems properly. This makes education an important thing to pay attention to and one of them is with mathematics subjects. One of the focuses in mathematics is the HOTS problem where in its application and work, each student is different. The purpose of this study is to describe the ability of mathematical literacy in solving HOTS problems. The method used in this study is qualitative with data tringaluation. The stage of this study is the collection of data as a whole using two questions that are shared with all students and supported by interviews. The results of this study show that overall mathematical literacy skills in students, the use of HOTS-type mathematics problems in mathematics learning is able to achieve mathematical literacy indicators. However, the mathematical literacy ability in students is different, namely male students have better literacy than female students in solving HOTS problems. Male students can solve problems completely and in sequence, while female students are less coherent in doing the questions.
Effect Type Fixator on Batik with Natural Dyes of Green Betel Leaves (Piper Betle L) Dewi Kristiana; Siti Fatimah; Agus Haerudin
Prosiding University Research Colloquium Proceeding of The 15th University Research Colloquium 2022: Mahasiswa (Student Paper Presentation) A
Publisher : Konsorsium Lembaga Penelitian dan Pengabdian kepada Masyarakat Perguruan Tinggi Muhammadiyah 'Aisyiyah (PTMA) Koordinator Wilayah Jawa Tengah - DIY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (211.137 KB)

Abstract

Plants are one of the natural resources that can be used as natural textile dyes in Indonesia. Natural dyes in the textile industry, especially batik, can be used as an alternative to synthetic dyes to reduce the danger of waste generated from the production process. Green betel leaf can be used as a natural dye because it contains anthocyanin compounds. This study aims to see the different colors and color quality of green betel leaf extract. The method used is an experiment by creating a variety of fixative substances alum, lime and tunjung. The results showed that green betel leaf extract could be used for dyeing batik fabrics by the results of the L*, a*, b* color difference test and identification of color codes and color light through encycolorpedia. The color produced from green betel leaf extract at batik cloth with alum and lime fixator is Medium-light orange tunjung fixator orange. The results of the fastness test value for washing soap are on average 4 (good), and on dry rubbing, the average value is 4-5 (good), the oldest color is produced from the variation of the tunjung fixator. The interpretation of the fixator did not significantly affect the color produced and the color fastness to soap washing and dry rubbing.
EDUKASI PEMBUATAN HAND SANITIZER DARI LIDAH BUAYA DAN DAUN SIRIH DI DESA GILIREJO BARU Ardhea Ardhea; Siti Fatimah
Abdi Teknoyasa Volume 2, No.1, Juli 2021
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1270.361 KB) | DOI: 10.23917/abditeknoyasa.v2i1.197

Abstract

Virus Corona merupakan salah satu satu virus yang sangat membahayakan dan mematikan. Virus ini dapat menular melalui droplets yang keluar saat seseorang terinfeksi batuk atau bersin. Maka dari itu sekarang sangat ditegaskan untuk sering mencuci tangan dengan sabun atau menggunakan antiseptik seperti hand sanitizer. Hand sanitizer merupakan antiseptik pembersih tangan yang mampu membersihkan kuman atau virus yang menepel pada tangan. Desa Gilirejo Baru memiliki keunggulan di bidang pertanian.Lahan yang luas, serta tanah yang bagus untuk bercocok tanam. Selain itu sebagian penduduknya banyak juga yang memiliki lahan tanam disekitar rumahnya. Banyak dari mereka yang menanam lidah buaya dan sirih. Mengingat kondisi sekarang yang muncul virus covid-19. Lidah buaya dan daun sirih dapat dimanfaatkan sebagai bahan utama untuk membuat hand sanitizer. Tetapi masyarakat belum begitu mengenal bagaimana cara pembuatan hand sanitizer menggunakan lidah buaya dan daun sirih. Jadi tanaman lidah buaya dan daun sirih banyak ditemui disekitar rumah warga tetapi masih dibiarkan begitu saja.
Creative Economy Education Towards Family Food Security in the Jungsari Karanganyar Community Siti Fatimah; Ahmad. M Fuadi; Dedi Gunawan
Jurnal Pengabdian dan Pemberdayaan Masyarakat Indonesia Vol. 2 No. 3 (2022)
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jppmi.v2i3.71

Abstract

Jungsari Village is one of the villages in the Karanganyar area, with geographical conditions located in a mountain valley. Access to urban areas is about 5 km. The majority of the professions of the Jungsari community are farmers and housewives. This condition spurred a touch of innovation to improve the family economy and food security. The purpose of this service activity is to provide education to the Jungsari community to make hand soap using materials available in the surrounding environment and cassava processed innovations. This pandemic period makes people have to care about hand hygiene to minimize the presence of the COVID-19 virus. After the community was given education on making hand soap, and various processed cassava, the community was also taught how to market online so that it would increase family income. This activity can be a side activity apart from being a farmer.
MS Office Optimization Assistance for Residents and Village Officials of the Blanceran Village Government, Klaten Regency Wiharto; Siti Fatimah; Mulyanto
Jurnal Pengabdian dan Pemberdayaan Masyarakat Indonesia Vol. 2 No. 11 (2022)
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jppmi.v2i11.177

Abstract

Blanceran Village, Klaten Regency is one of the villages in Klaten which has quite good potential for natural resources and human resources. This is demonstrated by the existence of a variety of adequate village facilities (computers and village WIFI). The existence of these things has not been able to be utilized properly because of the limited knowledge possessed by residents, giving rise to various very complex problems. Problems in the field of law and the use of technology to support village governance. In the legal field, there are many problems regarding the existence of Village Regulation regulations that have not been properly legalized. This raises the consequences of debate and friction between citizens in overcoming a problem. In the field of informatics there is a problem that so far, the village government has computer facilities, but it has not been maintained properly because human resources are not yet available properly so that it seems the computer is stalled and not being used properly. The solution is to provide education about optimizing the use of computers, especially MS Office. Village apparatus and prospective village apparatus require assistance to improve soft skills and computer optimization to lighten the workload. This can also be applied, especially in filing Village Regulation (PERDES) documents. The results of this service had a significant impact, namely 99% of residents and village officials experienced an increase in knowledge.
Co-Authors Agus Haerudin Ahmad. M Fuadi Aldri Frinaldi ARDHEA ARDHEA Dedi Gunawan Dewi Kristiana Dewi Lestari Dimas Eko Saputro Nining Setyaningsih Nurul Diah Lestari Satria Nur Wardhana Wiharto