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Comparing Conventional and Modern Methods for The Phycocyanin Extraction from Spirullina sp
Marlina, Dian
; Purwaningsih, Desi
; Pratiwi, Reny
; Saputra, Ryan Werytama
; Setyaningsih, Widiastuti
; Supriyono, Supriyono
Advance Sustainable Science, Engineering and Technology
Vol 6
, No 3
(2024)
Spirulina platensis, a blue-green algae abundant in tropical regions, is rich in minerals, vitamins, fibers, and pigments, with low nucleic acid content. It has unique chromoproteins called phycobiliproteins, notably phycocyanin, used in various applications. This study aims to optimize phycocyanin extraction using different solvents (distilled water and sodium phosphate buffer pH 6.7) and methods (freeze-thaw and sonication). Spirulina platensis biomass was extracted in both solvents, then some...
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1 Sitasi
Analisis Rasio Profitabilitas Rumah Sakit Siloam Tahun 2021 – 2022
Jurnal Ilmu Ekonomi, Manajemen dan Bisnis
Vol 2
, No 2
(2024)
Fokus penelitian ini adalah rasio profitabilitas PT Siloam International Hospitals Tbk pada tahun 2021–2022. Penelitian ini dilakukan secara deskriptif kuantitatif menggunakan analisis rasio keuangan. Data yang digunakan berasal dari laporan keuangan perusahaan yang diambil dari Bursa Efek Indonesia. Hasil penelitian menunjukkan bahwa rasio profitabilitas, yang terdiri dari Net Profit Margin (NPM), Return on Equity (ROE), dan Return on Assets (ROA), menurun di PT Siloam International Hospitals T...
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IMPLEMENTASI TEKNIK ECOPRINT UNTUK MENINGKATKAN KREATIVITAS ANAK USIA DINI DI KB STRAWBERRY : IMPLEMENTASI TEKNIK ECOPRINT UNTUK MENINGKATKAN KREATIVITAS ANAK USIA DINI DI KB STRAWBERRY SURAKARTA TAHUN PELAJARAN 2023/2024
Widya Wacana: Jurnal Ilmiah
Vol 19
, No 2
(2024)
The aim of this research is to enhance early childhood creativity through the implementation of ecoprint techniques in craton class (group B) KB Strawberry Surakarta Learning Year 2023/2024. This research was conducted using the Class Action Research (PTK) method that uses the modification of Kemis and McTaggart models. The subjects in the study are 14 children and the object of the study is to enhance the creativity of children through the implementation of ecoprint techniques. Data collection...
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Studi Korelasi Peran Dukungan Keluarga dalam Meningkatkan Kepatuhan Diet Pasien Diabetes Melitus Tipe 2
Saragih, Abigail Monica
; Siregar, Henrianto Karolus
; Aji, Yohanes Gamayana Trimawang
; Pangaribuan, Santa Maria
; Siregar, Sri Wahyuni
ASJN (Aisyiyah Surakarta Journal of Nursing)
Vol 5
, No 1
(2024)
Latar Belakang: Diabetes melitus, suatu kondisi di mana tubuh tidak mampu mengelola glukosa dengan baik, telah menjadi masalah kesehatan global yang serius. Kondisi ini disebabkan oleh produksi insulin yang tidak adekuat oleh pankreas. Sekitar 422 juta orang di seluruh dunia hidup dengan diabetes, sebagian besar di negara berpenghasilan rendah dan menengah. Penyakit ini berkontribusi pada 1,5 juta kematian setiap tahunnya. Peningkatan prevalensi diabetes ini dikaitkan dengan pertumbuhan populasi...
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2 Sitasi
Faktor Pengelolaan Operasi dan Pemeliharaan Irigasi di Kabupaten Tanah Datar
Ocean Engineering : Jurnal Ilmu Teknik dan Teknologi Maritim
Vol 3
, No 3
(2024)
Based on the Regulation of the Minister of Public Works and Public Housing of the Republic of Indonesia Number 14/PRT/M/2015 concerning Criteria and Determination of Irrigation Area Status, Tanah Datar Regency has 635 regency Irrigation Area authorities with a total Irrigation Area of 29,437 Ha. Over the last 5 years, the Tanah Datar Regency Government, especially the PUPR and Land Services Department, has allocated funds both from the APBN (DAK) and from the APBD (DAU) for the construction an...
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Rancang Bangun Sistem Keamanan Kandang Sapi Perah Dengan Arduino Berbasis Android : (Studi Kasus : Peternak Desa Wates Semarang)
Jurnal Elektronika dan Komputer
Vol 17
, No 1
(2024)
Most dairy farmers in our country still rely on human labor to monitor the condition of their farm areas. The current problem is the manual security system for barns, meaning that the barns need to be constantly checked around the area at all times. This is especially risky at night, when livestock theft is more likely to occur. This research implements PIR sensor technology to monitor movements around the barn, MC-38 magnetic sensors for gate security, and utilizes Android smartphones as device...
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Sistem Informasi Penjualan Toko Parfum Berbasis Website : (Studi Kasus : Toko Tunam8 Parfum)
Jurnal Elektronika dan Komputer
Vol 17
, No 1
(2024)
This research aims to design a website-based online store by utilizing a recommendation system with content-based filtering. The recommendation system is useful to help buyers get product suggestions that are in accordance with their preferences. The development method used in this research is the Waterfall model with the stages of needs analysis, design, program code generation, and testing. Researchers also use the UML model to help design the system and use the Laravel framework for website d...
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Perancangan Aplikasi Tutorial Turnitin Untuk Melacak Plagiasi Menggunakan Metode Prototype
Jurnal Elektronika dan Komputer
Vol 17
, No 1
(2024)
This study focuses on creating a Turnitin tutorial application to track plagiarism using the prototype method approach. The purpose of this application is to make it easier for users to understand and utilize Turnitin as a reliable plagiarism detection tool in academic writing. The prototype method was chosen because it allows for rapid iteration and improvement based on user feedback, which is very important to improve the quality of the application. The development stages include creating an i...
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Development of Project-Based Science Learning Activities Using the Fieldtrip Method to Improve Students’ Learning Outcomes
Jurnal Komunikasi Pendidikan
Vol 8
, No 2
(2024)
The creative thinking skills of students have become one of the focuses currently being pursued for improvement in Indonesia. This is manifested by incorporating creative thinking skills as one of the characters to be trained in the Merdeka Curriculum. This research aims to determine the profile of creative thinking skills of elementary school students in Surakarta city, thus providing considerations for the implementation and evaluation of the Merdeka Curriculum. The research was conducted usin...
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How Educational Flipbooks and Learning Motivation Affect Early Reading Proficiency in First-Grade Kindergarteners
Jurnal Komunikasi Pendidikan
Vol 8
, No 2
(2024)
Kindergarten provides early childhood education for children aged 0-6 years, aiming to develop their cognitive, social, and emotional skills through various educational approaches. This study examines the effect of using educational props, specifically flipbooks, and learning motivation on early reading skills in kindergarten children. A quasi-experimental method with a non-equivalent control group design was employed. The study involved two groups of kindergarten students: the experimental grou...
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