Lazuardi Umar

Preparation of creating active carbon from cigarette filter waste using microwave-induced KOH activation

Yanuar Hamzah, Lazuardi Umar · Journal of Physics Conference Series · 2017 · 30 citations · Full text

Engineering, Materials Engineering, Materials Science +13

Application of algae-biosensor for environmental monitoring

Lazuardi Umar, F. Alexander, J. Wiest · 2015 · 20 citations

Engineering, Environmental Engineering, Environmental Sciences +17

Amperometric microbial biosensor for sugars and sweetener classification using principal component analysis in beverages

Lazuardi Umar, Vira Annisa Rosandi, Rahmondia Nanda Setiadi et al. · Journal of Food Science and Technology · 2022 · 17 citations · Full text

Agriculture, Food Science, Microbiology +16

Biosensor signal improvement using current mirror topology for dissolved oxygen measurement

Lazuardi Umar, Yanuar Hamzah, Rahmondia Nanda Setiadi · Measurement Science and Technology · 2019 · 16 citations

Engineering, Bioengineering, Electrical Engineering +17

Improved Photocatalytic Activity of ZnO Film Prepared via Green Synthesis Method Using Red Watermelon Rind Extract

Ari Sulistyo Rini, Yolanda Rati, Rakhmawati Farma et al. · Evergreen · 2022 · 13 citations · Full text

Natural Sciences, Chemical Engineering, Materials Science +14