Riyan Ningsih

Ecological Risk Factors of Strongyloides stercoralis Infection Sourrounding Desforestration Areas East Kalimantan, Indonesia

Blego Sedionoto, Ade Rahmat Firdaus, Riyan Ningsih, Vivi Filia Elvira, Syamsir & Witthaya Anamnart · International Journal of TROPICAL DISEASE & Health · 2023

Aims: The study to assess the prevalence of Strongyloides stercoralis/ S. stercoralis infection, and to correlate environmental risk factors with the prevalence of S. stercoralis infection. Study Design:  We perform a cross-sectional study in rural community in Muarakaman and Mar...

Open access Research Article 10.9734/ijtdh/2023/v44i201486

Kutai Clay Granules for Reducing Escherichia coli and Coliform Bacteria in Hospital Wastewater

Blego Sedionoto, Wahyu Wahyu, Syamsir Syamsir, Nur Azijah Janatil Alyah, Idhar A. Jumlan, Rina Dwi Urbaningrum, Yuliana Yuliana, Dwi Ermawati Rahayu, Riyan Ningsih & Ayudhia Rachmawati · Journal of Advances in Microbiology · 2026

Aims: This study evaluated the capacity of activated Kutai clay granules to reduce Escherichia coli and coliform bacteria in hospital wastewater and to characterise the clay by particle composition and cation-exchange capacity (CEC). Study Design: Laboratory experimental study co...

Open access Research Article 10.9734/jamb/2026/v26i111211