Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Pirim Setiarso"'
Autor:
Ashabul Kahfi, Nita Kusumawati, Pirim Setiarso, Supari Muslim, Sinta Anjas Cahyani, Nafisatus Zakiyah
Publikováno v:
Communications in Science and Technology, Vol 9, Iss 1, Pp 30-37 (2024)
Polyvinylidene Fluoride (PVDF) membranes were modified with quaternized graphene oxide (QGO) synthesized from graphene oxide and quaternized ammonium groups. PVDF/QGO membranes were created by blending PVDF and 0.01-0.05 g QGO via phase inversion. FT
Externí odkaz:
https://doaj.org/article/8bfba76e874b416a807e8cd01fd81d66
Autor:
Nita Kusumawati, Pirim Setiarso, Supari Muslim, Sinta Anjas Cahyani, Nafisatus Zakiyah, Ashabul Kahfi
Publikováno v:
Communications in Science and Technology, Vol 9, Iss 1, Pp 128-135 (2024)
This research explored the modified polyvinylidene fluoride (PVDF) nanofiber membranes with a composite of layered double hydroxide (LDH) and graphene oxide (GO) to enhance biofouling resistance. The PVDF/LDH-GO nanocomposite membranes were synthesiz
Externí odkaz:
https://doaj.org/article/a105e6b024164159984504f9d8258094
Autor:
Nafisatus Zakiyah, Nita Kusumawati, Pirim Setiarso, Supari Muslim, Qurrota A'yun, Marinda Mayliansarisyah Putri
Publikováno v:
Indonesian Journal of Chemistry, Vol 24, Iss 3, Pp 701-714 (2024)
This comprehensive research has explored the potential of enhancing dye-sensitized solar cells (DSSC) by harnessing environmentally friendly natural dyes, such as chlorophyll pigments from pandanus (664.1 nm) and papaya leaves (664.0 nm), as well as
Externí odkaz:
https://doaj.org/article/1fee7ab5bc6d4d2ab59962ea4c45b467
Autor:
Qomariyah Agustin, Pirim Setiarso
Publikováno v:
Jurnal Pijar MIPA (Pengkajian Ilmu dan Pengajaran Matematika dan Ilmu Pengetahuan Alam), Vol 19, Iss 1, Pp 145-149 (2024)
Phosphate is a nontoxic element but a limiting element for productivity. Several methods have been established to analyze the phosphate concentration in water. This study aims to analyze phosphate concentration in water using the voltammetry method u
Externí odkaz:
https://doaj.org/article/80ec713b240e437489f64770c3c860bf
Autor:
Ahmad Jihad Hizbullah, Pirim Setiarso
Publikováno v:
Jurnal Pijar MIPA (Pengkajian Ilmu dan Pengajaran Matematika dan Ilmu Pengetahuan Alam), Vol 19, Iss 1, Pp 119-124 (2024)
Cosmetics are products of several substances or ingredients with a predetermined time limit. Efforts to extend the time limit of cosmetic use are made by adding preservatives. One preservative that is often used is methylparaben. Methylparaben has be
Externí odkaz:
https://doaj.org/article/db6043c252ef4e62b965a7a4bbe2a7a6
Autor:
Nita Kusumawati, Pirim Setiarso, Supari Muslim, Qonita Arky Hafidha, Sinta Anjas Cahyani, Fadlurachman Faizal Fachrirakarsie
Publikováno v:
Science and Technology Indonesia, Vol 9, Iss 1, Pp 7-16 (2024)
Dye-Sensitized Solar Cells (DSSC) are photovoltaic devices that contain a dye that acts as a solar light acceptor. The use of dye-sensitized solar cells to solve increasing energy demand and environmental problems still results in low efficiency valu
Externí odkaz:
https://doaj.org/article/441ad4b16c934d8492cf07d2fe3afd6f
Autor:
Nafisatuz Zahro, Pirim Setiarso
Publikováno v:
Jurnal Pijar MIPA (Pengkajian Ilmu dan Pengajaran Matematika dan Ilmu Pengetahuan Alam), Vol 18, Iss 6, Pp 986-993 (2023)
Chloramphenicol is an antibiotic that has activity against aerobic, anaerobic, and fungal bacteria and is often used in vaname shrimp farming pond water. Behind its usefulness, chloramphenicol has side effects for health, such as aplastic anemia, bon
Externí odkaz:
https://doaj.org/article/8890662741e440f7b0e8b4decbdf9587
Autor:
Nur Anisa Rosyiidah, Pirim Setiarso
Publikováno v:
Jurnal Pijar MIPA (Pengkajian Ilmu dan Pengajaran Matematika dan Ilmu Pengetahuan Alam), Vol 18, Iss 6, Pp 964-969 (2023)
Electrochemical analysis has carried out butylated hydroxytoluene (BHT) measurements. Cyclic voltammetry is used in this research as a qualitative-quantitative analysis of oxidation and reduction reaction processes, adsorption processes on electrode
Externí odkaz:
https://doaj.org/article/9ab20c9a03474d9cb966e676f4a445cc
Autor:
Dhea Anggraini Putri, Pirim Setiarso
Publikováno v:
Jurnal Pijar MIPA (Pengkajian Ilmu dan Pengajaran Matematika dan Ilmu Pengetahuan Alam), Vol 18, Iss 6, Pp 923-928 (2023)
Niacinamide is the amide form of vitamin B3, which is usually analyzed for concentration using UV-Vis Spectrophotometry, HPLC, and KLT. The development of niacinamide analysis methods using cyclic voltammetry has not been widely studied. The use of w
Externí odkaz:
https://doaj.org/article/eaa1123e02294099b44dad2ce3702b72
Autor:
Indri Wasa Estiningtyas, Nita Kusumawati, Pirim Setiarso, Supari Muslim, Nunik Tri Rahayu, Riska Nur Safitri, Nafisatus Zakiyah, Fadlurachman Faizal Fachrirakarsie
Publikováno v:
International Journal of Renewable Energy Development, Vol 12, Iss 6, Pp 1054-1060 (2023)
Dyes are significant components in Dye Sensitized Solar Cell (DSSC) performance because they act as photosensitizers. Natural dye-based DSSC system fabrication innovations continue to be produced in an effort to improve DSSC performance efficiency. I
Externí odkaz:
https://doaj.org/article/5191acc8173445978dfd4947a98a8271