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All Journal Jurnal Ilmu Peternakan Terapan Indonesian Applied Physics Letters Jurnal Ipteks Terapan : research of applied science and education
Dyah Hikmawati
Airlangga Univeristy
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Pengaruh penambahan ekstrak bawang merah dalam pengencer Ringer’s Dextrose terhadap kualitas sperma Gallus domesticus pada suhu 5°C Sakinato Mazidda; Suyadi Suyadi; Dyah Hikmawati; Alditya Putri Yulinarsari
Jurnal Ilmu Peternakan Terapan Vol 6 No 1 (2022): Jurnal Ilmu Peternakan Terapan
Publisher : Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25047/jipt.v6i1.3584

Abstract

Gallus domesticus is a local chicken of Indonesia which should be preserved as a local genetic resource because it has the advantage of high adaptability environment and has an economic value. This study aimed to determine the quality of Gallus domesticus semen the effect of storage time by the addition of Allium cepa extract (ACE) in the Ringer's Dextrose diluent at temperatur of 5°C. The making of Allium cepa extract was done by using the maceration and Gallus domesticus semen was collected using the female teaser method. The collected semen was divided into 4 treatments, T0 (Ringer's Dextrose without ACE); T1 (Ringer's Dextrose + 0.02 ml ACE); T2 (Ringer's Dextrose + 0.04 ml of ACE); T3 (Ringer's Dextrose + 0.06 ml of ACE) and evaluation of the semen quality including individual motility, viability, and abnormality was observed within 6, 8, and 24 hours. The experimental design used a Completely Randomized Design, which proceeded with the Duncan Multiple Range Test. The analysis significant differences (P<0.01) for individual motility and (P<0.05) for sperm viability. The best results were shown by T2 treatment Conclusion, the addition of Allium cepa extract antioxidant in Ringer's dextrose diluent can maintain the quality of spermatozoa Gallus d
STUDY OF PHYSICAL PROPERTIES OF TAPER STRUCTURED FIBER OPTIC SENSORS Frazna Parastuti; Dyah Hikmawati; Herri Trilaksana
Jurnal Ipteks Terapan (Research Of Applied Science And Education ) Vol. 15 No. 3 (2021): Jurnal Ipteks Terapan ( Research of Applied Science and Education )
Publisher : Lembaga Layanan Pendidikan Tinggi Wilayah X

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2069.024 KB) | DOI: 10.22216/jit.v%vi%i.444

Abstract

Along with its development, optical fiber has been modified into sensors because of its various advantages. In the fabrication of a modified fiber optic sensor in the form of a taper innovation, the sensor geometry becomes the main parameter that can affect the sensitivity of the sensor. The fiber taper works by allowing the evanescent waves out of the waveguide to interact with the stimulus, thus providing a sensor mechanism. The fabrication of the fiber taper in this study was carried out using the drawing and heating method continuously and simultaneously. Based on this fabrication process, the optical fiber is pulled using an autograph until it enters the plastic deformation region. Mechanical properties analysis showed that the optical fiber has a stress of 54.21 MPa and an elastic modulus of 2.46 GPa. It was also found that the optical fiber experienced an elongation of up to 11.02%. The results of the digital microscope test showed that the taper process succeeded in reducing the diameter of the optical fiber by 18.40%. Besides the ease of processing, the advantage of fabrication using this method is that the mechanical properties are measured in real-time, making this method reproducible on a mass scale.
Exploration of the Potential of 3D-Printed PLA Coated with Hydroxyapatite-Gelatin for Dual Applications in Bone Tissue Engineering and Multi-Layer Cigarette Filters Nadia Septiana Wulandari; Dyah Hikmawati; Aminatun; Frazna Parastuti
Indonesian Applied Physics Letters Vol. 7 No. 1 (2026): Indonesian Applied Physics Letters - June 2026
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/iapl.v7i1.94232

Abstract

This study investigated the effect of hydroxyapatite–gelatin (HAp–gelatin) coating composition on the physicochemical properties of electrospun-coated 3D-printed polylactic acid (PLA) scaffolds for bone tissue engineering and potential applications as multi-layer cigarette filters. PLA scaffolds were fabricated via Fused Deposition Modelling (FDM) with a rhombitruncated cuboctahedron geometry (strut size: 0.8 mm). Five HAp–gelatin compositions (10:90, 20:80, 30:70, 40:60, and 50:50 %wt) were electrospun at 19 kV, a collector distance of 15 cm, and a flow rate of 0.90 mL/h. The 50:50 formulation failed to produce continuous fibers owing to excessive HAp agglomeration and insufficient gelatin chain entanglement; therefore, only the 10:90–40:60 %wt formulations were characterized by SEM-EDX, FTIR, porosity measurement, water contact angle, and in vitro degradation testing. Electrospinning transformed the smooth PLA surface into a homogeneous nanofibrous layer with fiber diameters of 322.13–469.10 nm. EDX confirmed the presence of C, N, O, P, and Ca, while FTIR verified gelatin amide and HAp phosphate groups without altering the PLA substrate chemistry. Coated scaffolds maintained favorable porosity (58.63–59.19%), exhibited improved hydrophilicity with contact angles decreasing from 90.17° to 59.59–79.41°, and demonstrated controlled degradation behavior over 21 days. Among all formulations, the 40:60 (%wt) HAp–gelatin composition achieved the most balanced performance in fiber homogeneity, hydrophilicity, porosity preservation, and degradation control. The combination of nanoscale fiber architecture, preserved porosity, enhanced wettability, and adsorption-active functional groups makes this formulation the most promising candidate for trabecular bone tissue engineering applications. Furthermore, these physicochemical characteristics indicate potential applicability as a future multi-layer cigarette filter material by facilitating particulate capture and interaction with smoke toxicants. However, direct smoke filtration studies are required to validate filtration performance. Overall, the developed HAp–gelatin coated PLA scaffold demonstrates promising potential for both biomedical and environmental applications.
Co-Authors Alditya Putri Yulinarsari Aminatun Frazna Parastuti Frazna Parastuti Herri Trilaksana Nadia Septiana Wulandari Sakinato Mazidda Suyadi Suyadi