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All Journal TEKNIK Perspektif : Jurnal Ekonomi dan Manajemen Universitas Bina Sarana Informatika AL MAQRIZI: Jurnal Ekonomi Syariah dan Studi Islam
Yudha Satria
Program Studi Teknik Informatika, Fakultas Ilmu Komputer, Universitas Dian Nuswantoro Semarang
Religion Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Social Sciences

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OPTIMALISASI EKSTRAKSI DAN UJI STABILITAS PHYCOCYANIN DARI MIKROALGA Spirulina platensis Jos, Bakti; Eko Setyawan, Prayudi; Satria, Yudha
TEKNIK Volume 32, Nomor 3, Tahun 2011
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (334.469 KB) | DOI: 10.14710/teknik.v32i3.1734

Abstract

The growing awareness of the importance of natural colours especially food and cosmetic colorants has placedgreat demand on biological sources of natural colours. It is for this reason that the phycobiliproteins inSpirulina platensis is gaining increasing attention as an alternative colour for these products. Numerousscientific reports confirm the fact that Phycocyanin from Spirulina platensis, is not only an effective naturalblue colorant, but also a compound that is beneficial to the health of the consumer. The aim of this research is toconduct evaluation studies phycocyanin production by extraction with polar solvents at various concentrationsto obtain extracts for maximum yield. The methods in this study has several stages, namely preparation ofmaterials, extraction, solubility studies of phycocyanin, phycocyanin’s stability test. Changing variables in thisstudy are water, acetic acid 70%, 75%, 80%, ammonium sulphate 50%, 55%, 60%. The analysis of the extractsof phycocyanin’s content using spectrophotometric methods. The observations produces a blue pigment whichhas the highest color intensity with maximum absorbance of 620 nm. Acetic acid 80% is the most effectivesolvent to extract the blue pigment phycocyanin than water and ammonium sulfate. Extraction is influenced bythe pH of the increase in absorption (absorbance) with increasing pH and was not influenced by storagetemperature and time
The Effectiveness of The Restructuring Mechanism of Bank Muamalat on Murabahah Financing Products during Pandemic Covid 19 Fauziah, Nur Dinah; Satria, Yudha; Andayani, Hirini
Al-Maqrizi: Jurnal Ekonomi Syariah dan Studi Islam Vol. 1 No. 2 (2023): AL MAQRIZI: Jurnal Ekonomi Syariah dan Studi Islam
Publisher : ekonomi syariah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/amq.v1i2.37272

Abstract

The Covid-19 pandemic has caused many industries desperate due to the limitations of existing activities, including the financial services industry. Since the Covid-19 pandemic arrived in Indonesia, at least this has largely affected Indonesia's national economy. Covid-19 pandemic has certainly not only disrupted economic activity in Indonesia but in almost all countries in the world. Limited activity during this pandemic has paralyzed economic activity globally and nationally. Banks as the forefront that have the power to stabilize and maintaining financial stability must work hard to overcome the impacts that have occurred due to Covid-19 pandemic. The Restructuring mechanism is one of the products launched to overcome Non Performing Credit from customers due to the impact of the Covid-19 pandemic. This study is an analysis study using secondary data. This study describes the effectiveness of the implementation of Restructuring during the Covid-19 pandemic. The results of this study will be useful as a reference for making future policies regarding regulatory in handling such phenomena that may occur as a pre-cautious mechanism.
Pengaruh Kepemimpinan Demokratis, Lingkungan Kerja Non Fisik, dan Kompensasi terhadap Kinerja Satgas PPKS/PPKPT melalui Motivasi Kerja pada PTS di LLDIKTI Wilayah III Satria, Yudha; Nurwulandari, Andini
Perspektif : Jurnal Ekonomi dan Manajemen Akademi Bina Sarana Informatika Vol 23, No 2 (2025): Bulan September 2025
Publisher : www.bsi.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31294/jp.v23i2.27525

Abstract

Penelitian ini bertujuan menganalisis pengaruh faktor kepemimpinan, lingkungan kerja non fisik, dan sistem kompensasi terhadap motivasi kerja serta implikasinya terhadap kinerja dosen yang tergabung dalam Satgas PPKS/PPKPT pada perguruan tinggi swasta di bawah koordinasi LLDikti Wilayah III Jakarta. Sebanyak 100 dosen yang berperan sebagai ketua maupun anggota Satgas PPKS/PPKPT yang menjadi responden penelitian. Pendekatan kuantitatif digunakan dengan analisis Partial Least Square-Structural Equation Modeling (PLS-SEM) melalui SmartPLS 4.0. Hasil penelitian menunjukkan bahwa kepemimpinan yang demokratis dan kompensasi tidak berpengaruh langsung terhadap kinerja, namun keduanya meningkatkan motivasi kerja yang kemudian mendorong kinerja. Sementara itu, lingkungan kerja non fisik terbukti memberikan pengaruh signifikan, baik secara langsung maupun tidak langsung. Temuan ini menegaskan bahwa motivasi kerja merupakan faktor mediasi penting yang menghubungkan aspek organisasi dengan kinerja Satgas PPKS/PPKPT. Bagi perguruan tinggi, hasil penelitian ini memberikan masukan untuk memperkuat gaya kepemimpinan yang demokratis, menciptakan suasana kerja yang kondusif, serta memastikan kompensasi yang adil, sehingga efektivitas Satgas PPK/PPKPT dapat lebih optimal dalam menjalankan mandat dalam melakukan pencegahan dan penanganan kekerasan di lingkungan perguruan tinggi.
Co-Authors Andayani, Hirini ANDINI NURWULANDARI Bakti Jos Fauziah, Nur Dinah Prayudi Eko Setyawan