Author

Siswoyo Siswoyo

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Open access Sep 2026

Engineering Coffee Cherry Pulp-derived Activated Carbon for Cellulase Immobilization and its Role in Regulating Non-Sterile Coffee Fermentation

During non-sterile coffee fermentation, microbial activity and substrate availability change as the mucilage is degraded. Activated carbon prepared from Arabica coffee cherry pulp by carbonization and ZnCl₂ activation was used as a support for cellulase immobilization. Cellulase produced by Cytobacillus sp. isolated fr...

S. Sutoyo, S. Siswoyo, Achmad Maududie et al. · Journal of Mathematical and... · 0 citations

Open access Jul 2026

Digital Learning Infrastructure Management for Enhancing Teachers' Professional Competence: A Case Study of SD Negeri 2 Pulaupanggung

The rapid advancement of digital technology in education necessitates effective management of digital learning infrastructure to support the enhancement of teachers’ professional competence. In practice, however, the management of digital learning infrastructure in schools has not been fully optimized, particularly in...

Alia Wulandari, Sofwan Adiputra, Arman Arman et al. · Ensiklopedia Jurnal Pendidik... · 0 citations