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All Journal ASEAN Journal of Chemical Engineering Jurnal Abdimas Bina Bangsa Makara Journal of Technology
Elsa Krisanti
Chemical Engineering Department, Faculty Of Engineering, Universitas Indonesia
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Other

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Betain and Alcohol-based Deep Eutectic Solvents for Vitexin Extraction from Binahong (Anredera cordifolia) Leaves Kamarza Wardhani; Elsa A. Krisanti; Geraldi Andika
ASEAN Journal of Chemical Engineering Vol 18, No 2 (2018)
Publisher : Department of Chemical Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (510.248 KB) | DOI: 10.22146/ajche.49530

Abstract

Deep eutectic solvents (DESs) consisting of betaine as the hydrogen donor acceptor and a propanediol or a butanediol as the hydrogen bonding donor were used to extract vitexin from the leaves of Anredera cordifolia (Ten.) Steenis, known in Indonesia as binahong used traditionally to treat wounds. The vitexin extraction yields depend strongly on the molecular structure of the hydrogen bonding donor used and the betaine to alcohol molar ratio. The highest extraction yield of 0.024%, w/w vitexin in binahong leaves, was obtained at room temperature using the mixture of betaine and 1,3-propanediol in 1:4 mole ratio. For each set of DESs having a common HBD, the highest extraction yield was consistently obtained using the DES having betaine to alcohol molar ratio of 1:4. A higher extraction yield of 0.042% was obtained as the extraction temperature was increased to 40 °C. This study shows that DESs made of betaine and polyalcohol are prospective green solvents for extraction of bioactives such as vitexin from plants.
Magnetic Field Effects on CaCO3 Precipitation Process in Hard Water Saksono, Nelson; Bismo, Setijo; Krisanti, Elsa; Manaf, Azwar; Widaningrum, Roekmijati
Makara Journal of Technology Vol. 10, No. 2
Publisher : UI Scholars Hub

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Abstract

Magnetic Field Effects on CaCO3 Precipitation Process in Hard Water. Magnetic treatment is applied as physical water treatment for scale prevention especially CaCO3, from hard water in piping equipment by reducing its hardness. Na2CO3 and CaCl2 solution sample was used in to investigate the magnetic fields influence on the formation of particle of CaCO3. By changing the strength of magnetic fields, exposure time and concentration of samples solution, this study presents quantitative results of total scale deposit, total precipitated CaCO3 and morphology of the deposit. This research was run by comparing magnetically and non-magnetically treated samples. The results showed an increase of deposits formation rate and total number of precipitated CaCO3 of magnetically treated samples. The increase of concentration solution sample will also raised the deposit under magnetic field. Microscope images showed a greater number but smaller size of CaCO3 deposits form in magnetically treated samples, and aggregation during the processes. X-ray diffraction (XRD) analysis showed that magnetically samples were dominated by calcite. But, there was a significant decrease of calcite’s peak intensities from magnetized samples that indicated the decrease of the amount of calcite and an increase of total amorphous of deposits. This result showed that magnetization of hard water leaded to the decreasing of ion Ca2+ due to the increasing of total CaCO3 precipitation process.
PKM TELEFARMASI DALAM KEPATUHAN TERAPI HIPERTENSI DAN PERSPEKTIF MASYARAKAT Krisanti, Elsa Annisa; Suryani, Suryani
Jurnal Abdimas Bina Bangsa Vol. 5 No. 2 (2024): Jurnal Abdimas Bina Bangsa
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/jabb.v5i2.683

Abstract

Hypertension is the most common chronic disease characterized by a constant increase in arterial pressure of more than 130/80 mmHg. Hypertension is a disease that contributes to the development of stroke, myocardial infarction, heart failure and kidney failure, so it is necessary to control hypertension throughout life by maintaining patient compliance so that there is no spike in blood pressure which causes damage to body organs. In the era of industrial revolution 5.0 with unlimited digital Internet, the ease of remote interaction without time constraints provides the opportunity to check the compliance of hypertensive outpatients wherever they are. The method used is a narrative review. Results of journal articles published through online media from 2016 to 2023. Manual search for articles from Pubmed, Science Direct, Google Scholar, JMIR Publications, and SagePub databases. The research results show that telepharmacy has an impact on controlling blood pressure in hypertensive patients
Co-Authors Azwar Manaf Dianursanti Felita Terahadi, Felita Geraldi Andika Kamarza Mulia, Kamarza Kamarza Wardhani Nelson Saksono Roekmijati Widaningrum Roekmijati Widaningrum, Roekmijati Setijo Bismo Suryani Suryani Sylvania Putri, Sylvania Tegar Maulana, Tegar