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All Journal Indonesian Journal of Chemistry Communications in Science and Technology Abimanyu: Journal of Community Engagement Unesa Journal of Chemistry Journal of The Indonesian Society of Integrated Chemistry Journal of Engineering and Technological Sciences
Maria Monica Sianita Basukiwardojo
Chemistry Department, Faculty Of Mathematics And Natural Sciences State University Of Surabaya, Surabaya
Aerospace Engineering Arts Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Social Sciences

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 1 
THE EFFECT OF DISTILLATE STORING DISTILLED FROM FRUCTOSE SYRUPS TOWARD ITS ACETALDEHYDE CONCENTRATION MEASURED BY GAS CHROMATOGRAPHY Maria Monica Sianita Basukiwardojo
Indonesian Journal of Chemistry Vol 5, No 2 (2005)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (172.058 KB) | DOI: 10.22146/ijc.21821

Abstract

Acetaldehyde is a compound of aldehyde group that is very volatile and toxic. This compound can be found in fructose syrups used in carbonate beverages. The syrups had been distilled then analysed using gas chromatography. The concentration of acetaldehyde was 289.78 g/g in the distillates kept for one week, 295.30 g/g in those kept for two weeks, 429.45 g/g in those kept for three weeks, and 449.38 g/g in those kept for four weeks. The optimum column temperature was programmed with initial temperature of 40 oC held on for four minutes, then increasing by 40 oC/minute to 200 oC. It can be concluded that the longer the distillates have been kept, the greater the concentration of acetaldehyde in the distillates. A further research to investigate the present of microbe in the distillates and the effect of pH should be conducted.
Analisa Kadar Kalori, Kadar Air, dan Masa Simpan dengan Menggunakan Teknologi Pengiris Guna Produktifitas Produk Keripik Singkong Handajani, Sri; Yasin, Ach; Basukiwardojo, Maria Monica Sianita; Kusumawati, Nita; Kurniawan, Muhammad Ridho Hafid; Rahayu, Nunik Tri; Estiningtyas, Indri Wasa
Abimanyu : Jornal of Community Engagement Vol 5 No 2 (2024): August 2024
Publisher : Universitas Negeri Surabaya

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Abstract

Cassava can be processed into chips, which have a special appeal with their distinctive flavour and crunchy texture. Cassava chip production creates profits for cassava farmers and is a major industry in some regions. Improving product quality involves various control measures, including handling and packaging of the final product. The frying and draining process is an important factor in extending the shelf life and inhibiting oxidation of a product. The purpose of this study was to determine the effect of the use of appropriate technology (TTG) draining machines on the nutrition and shelf life of cassava chips products. The results showed that the total fat, saturated fat, protein and carbohydrate content of cassava chips products as a result of TTG were 4.91%; 2.26%; 3.11%; 81.01%, respectively. The shelf life of the chips was 5.25 months (157.5 or 158 days). The results of the organoleptic test of cassava chips in terms of colour, aroma, texture and overall liking level received a positive response from the community, both teenagers and adults. The aspects of aroma, taste, texture and colour as well as the overall level of liking with a percentage level of 80% (seblak daun jeruk), 58% (fried chicken), 61% (rendang), and 56% (grilled chicken).
A SINTESIS KITOSAN DARI CANGKANG KERANG DARAH (Anadara granosa) SEBAGAI BIOSENSOR UNTUK DETEKSI PESTISIDA MENGGUNAKAN MEMBRAN Au/KITOSAN Pharnanda, Rossella; Prasetya, Predian Yudha; Handayani, Suci Tri; Fatehah, Aura Amalia; Basukiwardojo, Maria Monica Sianita
Unesa Journal of Chemistry Vol. 13 No. 1 (2024): Vol 13 No 1 (2024)
Publisher : Department of Chemistry, Faculty of Mathematics and Natural Sciences, Surabaya State University, located at Jl Ketintang, Surabaya, East Java, Indonesia

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Abstract

Pesticides are chemicals that can kill or control pests. However, the current use of pesticides poses a threat to humans and the environment. This research aims to develop a biosensor with Au/Chitosan membrane electrode using chitosan from blood clam shell waste which has high sensitivity to pesticides, fast response time, and long-term stability. So as to achieve the target of Sustainable Development Goals (SDG's) 3, namely health and well-being. The method used is the preparation of blood clam shells, synthesis of chitosan from blood clam shells, making Au/Chitosan membrane electrodes, characterisation of pesticide detection biosensors. The results of FTIR testing of chitosan obtained a degree of deacetylation of 86.3202%. The successfully made Au/Chitosan membrane electrode has an optimum concentration of 5% with the best measurement at pH 7, deposition time of 5 seconds, and scan rate of 0.1 V/s.  Characterisation of carbamate pesticide detection biosensor using Au/Kitosan electrode shows that the Nernst factor obtained is 35.46 mV/decade, detection limit is 2x10 -8 M, measurement range is 10-8 M to 10-2 M, response time is 5-7 minutes, and precision with coefficient of variation for 10-4 M and 10-2 M concentration is 1.095% and 0.412% so that the Au/Chitosan membrane electrode can be used to detect carbamate pesticides effectively.
Development of Active-Smart Packaging: Effect of Chitosan Nanofiber, Zinc Oxide Nanoparticles, and Anthocyanin on Gelatine-Based Halochromic Film for Meat Preservation Kusumawati, Nita; Bahar, Asrul; Basukiwardojo, Maria Monica Sianita; Samik, Samik; Rahayu, Nunik Tri; Estiningtyas, Indri Wasa; Kurniawan, Muhammad Ridho Hafid
Journal of Engineering and Technological Sciences Vol. 57 No. 3 (2025): Vol. 57 No. 3 (2025): June
Publisher : Directorate for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2025.57.3.7

Abstract

Gelatine-based smart active packaging has the potential to improve the quality of packaged meat and monitor its freshness without having to open it. This research aims to develop halochromic films by combining gelatine films with chitosan nanofibers (CHNF) and zinc oxide nanoparticles (ZnONPs). The addition of nanofillers such as CHNF and ZnONPs has been proven to improve mechanical properties (The humidity decreased by approximately 15.6%, while Young’s modulus increased tenfold) and provide active packaging properties, such as antioxidants (IC50 test decreased 13% from 33,12191 to 28,82021) and antimicrobials against S. aureus (increased from 9,40 to 19.73 for inhibition zone), E. coli (increased from 6.61 to 19.91 of inhibition zone), and P. aeruginosa (increased from 8.63 to 18.65 of inhibition zone). Meanwhile, the smart packaging properties are provided by anthocyanin from telang flowers, which can change color as the freshness of the meat decreases or the acidity of the meat changes. The quality of smart active packaging is reflected in the pH sensitivity, ammonia release, and anthocyanin release. The film's mechanical properties also showed improvement in humidity, Young's modulus, water vapor permeability (WVP), and water solubility. Fourier Transform Infra-Red (FTIR) characterization analysis showed good compatibility between the gelatine, anthocyanins, CHNF, and ZnONPs matrix. This research result demonstrates that gelatine-based films with a combination of CHNF and ZnONPs can be used to create eco-friendly and multifunctional packaging films for meat preservation.
The Effect of Ultrasonication on the Quality of Keratin Extraction Based on Ionic Liquid from Duck Feather Perdana, Senja Salzanabila Putri; Kusumawati, Nita; Basukiwardojo, Maria Monica Sianita; Setiarso, Pirim; Djalilah, Gina Noor; Rahmawati, Khofifatul
Communications in Science and Technology Vol 10 No 2 (2025)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.10.2.2025.1785

Abstract

This study investigates the effect of ultrasonic-assisted extraction (UAE) and solvent extraction (SE) on keratin recovery from duck feathers using sodium sulfide-based ionic liquids under different pH conditions. The results showed that SE at acidic pH (pH=3) achieved the highest yield (92%), whereas UAE showed lower recovery (28%) under mildly acidic conditions (pH=5). Spectroscopic and electrophoretic analyses using FTIR confirmed the β-sheet structure with characteristic peaks at 3400 cm−1 (O–H and N–H stretching) and 1660 cm−1 (C=O stretching). Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis analysis (SDS-PAGE) revealed protein bands in the 15–25 kDa range, typical of β-keratin, with higher intensity in SE. Morphological analysis using SEM revealed finer and more homogeneous particles for UAE, while SE produced denser aggregates. Thermal analysis revealed two main degradation stages, occurring at 0–100 °C and 250–500 °C, with UAE samples exhibiting lower residual mass (5.46%) than SE (8.65%). Particle size analysis showed UAE samples had larger but more uniformly distributed particles. XRD results confirmed semi-crystalline structures, with UAE increasing amorphous content and SE maintaining crystallinity. These findings highlight the complementary advantages for tailoring keratin properties toward diverse applications.
Kinetics and Adsorption Efficiency of Fe(III) by Fe-IIP Adsorbent for Water Remediation Surya, Felisa Nadia Oktavira Putri; Basukiwardojo, Maria Monica Sianita
Journal of The Indonesian Society of Integrated Chemistry Vol. 17 No. 2 (2025): Journal of The Indonesian Society of Integrated Chemistry
Publisher : Pendidikan Kimia FKIP Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jisic.v17i2.49878

Abstract

Iron (Fe) is an essential metal that plays a vital role in various biological and environmental processes. However, excessive concentrations of Fe, particularly in the form of Fe(III), can cause toxic effects, disrupt aquatic ecosystems, and pose serious risks to human health. This study aims to develop a selective adsorbent based on an Fe(III)-imprinted polymer (Fe(III)-IIP) for removing Fe(III) contamination from water. The Fe(III)-IIP was synthesized through precipitation polymerization using Fe(NO3)3, EDTA, MAA, EGDMA, and BPO as the main components. FTIR spectroscopy confirmed the presence of Fe–O functional groups and the successful removal of template ions. SEM analysis revealed a porous surface morphology with a uniform particle distribution, supporting enhanced adsorption capacity. Adsorption experiments were performed at contact times ranging from 30 to 180 minutes to determine the optimum condition. The results showed that adsorption efficiency increased with contact time, reaching equilibrium at 30 minutes with an adsorption capacity of 4.43 mg g-1, consistent with a pseudo-second-order (PSO) kinetic model. These findings demonstrate that Fe(III)-IIP is an effective adsorbent for treating Fe(III)-contaminated water. Keywords:        Adsorption, Fe(III), IIP, Contact time
Co-Authors Ach. Yasin Asrul Bahar Estiningtyas, Indri Wasa Fatehah, Aura Amalia Gina Noor Djalilah Handayani, Suci Tri Kurniawan, Muhammad Ridho Hafid Nita Kusumawati Perdana, Senja Salzanabila Putri Pharnanda, Rossella Pirim Setiarso Prasetya, Predian Yudha Rahayu, Nunik Tri Rahmawati, Khofifatul Samik Samik Sri Handajani Surya, Felisa Nadia Oktavira Putri