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All Journal Pharmademica: Jurnal Kefarmasian dan Gizi Journal of New Trends in Sciences
Asyari Al Hutama Azis
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Agriculture, Biological Sciences & Forestry Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Public Health

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Dinamika Fraktal dalam Pertumbuhan Kristal Logam untuk Inovasi Material Baru Taufiq Dalming; Asyari Al Hutama Azis
Journal of New Trends in Sciences Vol. 2 No. 1 (2024): Februari: Journal of New Trends in Sciences
Publisher : CV. Aksara Global Akademia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59031/jnts.v2i1.754

Abstract

Fractal structures play a crucial role in improving material properties due to their unique self-similar geometries. These geometrical patterns exhibit repetition at multiple scales, which can enhance surface area, strength, and other mechanical characteristics. This study investigates the influence of fractal patterns on the crystal growth and mechanical performance of metallic materials, focusing on strength, toughness, and hardness. Using a combination of computer simulations and laboratory experiments, the research models metal crystal formation under controlled conditions, where fractal characteristics are introduced through diffusion-limited aggregation (DLA) and electrodeposition methods. The findings reveal that embedding fractal patterns into the crystal growth process can increase material strength by approximately 20% compared to conventionally structured metals. This improvement is attributed to the efficient stress distribution within the fractal geometry, which minimizes stress concentration points and enhances resistance to fracture. Additionally, materials with fractal-based microstructures exhibit better toughness and deformation resistance, improving durability under mechanical load. The study also examines the underlying mechanisms of these effects, emphasizing the role of fractal-induced microstructural control in optimizing material integrity. These results demonstrate the significant potential of fractal-based material design in engineering stronger, lighter, and more flexible metallic components. The research contributes to the broader understanding of how geometric complexity can be harnessed to develop advanced materials for applications in construction, automotive manufacturing, and flexible electronics, thereby supporting the development of next-generation high-performance materials.
Dinamika Fraktal dalam Pertumbuhan Kristal Logam untuk Inovasi Material Baru Taufiq Dalming; Asyari Al Hutama Azis
Journal of New Trends in Sciences Vol. 2 No. 1 (2024): Februari: Journal of New Trends in Sciences
Publisher : CV. Aksara Global Akademia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59031/jnts.v2i1.754

Abstract

Fractal structures play a crucial role in improving material properties due to their unique self-similar geometries. These geometrical patterns exhibit repetition at multiple scales, which can enhance surface area, strength, and other mechanical characteristics. This study investigates the influence of fractal patterns on the crystal growth and mechanical performance of metallic materials, focusing on strength, toughness, and hardness. Using a combination of computer simulations and laboratory experiments, the research models metal crystal formation under controlled conditions, where fractal characteristics are introduced through diffusion-limited aggregation (DLA) and electrodeposition methods. The findings reveal that embedding fractal patterns into the crystal growth process can increase material strength by approximately 20% compared to conventionally structured metals. This improvement is attributed to the efficient stress distribution within the fractal geometry, which minimizes stress concentration points and enhances resistance to fracture. Additionally, materials with fractal-based microstructures exhibit better toughness and deformation resistance, improving durability under mechanical load. The study also examines the underlying mechanisms of these effects, emphasizing the role of fractal-induced microstructural control in optimizing material integrity. These results demonstrate the significant potential of fractal-based material design in engineering stronger, lighter, and more flexible metallic components. The research contributes to the broader understanding of how geometric complexity can be harnessed to develop advanced materials for applications in construction, automotive manufacturing, and flexible electronics, thereby supporting the development of next-generation high-performance materials.
Standardisasi Simplisia dan Ekstrak Daun Jambu Mete (Anacardium occidentale L.) dari Kabupaten Gowa Sulawesi Selatan Asyari Al Hutama Azis; Yani Pratiwi; Irva Maulidiyah Putri
PHARMADEMICA : Jurnal Kefarmasian dan Gizi Vol 5 No 2 (2026): Oktober - Maret
Publisher : LPPM-KI - POLTEKKES PIM (Formerly AKAFARMA-AKFAR PIM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54445/pharmademica.v5i2.118

Abstract

Cashew leaves (Anacardium occidentale L.) contain secondary metabolite compounds such as flavonoids, tannins, polyphenols, alkaloids, saponins, and phenolics, which exhibit pharmacological activities, including antioxidant and antibacterial properties. Traditionally, cashew leaves are used by the people of Gowa Regency to treat diabetes mellitus, oral inflammation, burns, muscle aches, and skin infections such as acne and boils. This study aims to evaluate the quality of cashew leaf raw materials from Gowa Regency based on specific parameters, namely water-soluble and ethanol-soluble extract content in the simplicia. Additionally, nonspecific parameters were evaluated, including drying loss, total ash content, and acid-insoluble ash content in the simplicia, as well as water content, total ash content, and acid-insoluble ash content in the extract, according to the Indonesian Herbal Pharmacopoeia Edition II (2017). Extraction was performed using the maceration method with 70% ethanol, yielding 21.2%. The results showed that the simplicia contained 13.46% water-soluble extract, 18.23% ethanol-soluble extract, 9.93% drying loss, 3.03% total ash, and 0.71% acid-insoluble ash. Meanwhile, the extract showed a water content of 18.26%, total ash of 0.89%, and acid-insoluble ash of 0.39%. Both the simplicia and extract of cashew leaves from Gowa Regency met the quality requirements of the Indonesian Herbal Pharmacopoeia Edition II (2017) and were categorized as high quality.
Co-Authors Irva Maulidiyah Putri Taufiq Dalming Yani Pratiwi