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All Journal Student Scientific Creativity Journal Jurnal Mahasiswa Ilmu Kesehatan Nian Tana Sikka: Jurnal Ilmiah Mahasiswa
Khotimah Nur Ramadhani
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Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Health Professions Languange, Linguistic, Communication & Media Nursing Public Health Social Sciences

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Tinjauan Organ Jantung sebagai Pusat Kehidupan dalam Sistem Kardiovaskular Feni Atika Tsuroyya; Khotimah Nur Ramadhani; Elsa Oktavia Ramadhani; Liss Dyah Dewi Arini
Jurnal Mahasiswa Ilmu Kesehatan Vol. 3 No. 1 (2025): Jurnal Mahasiswa Ilmu Kesehatan
Publisher : STIKes Ibnu Sina Ajibarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59841/jumkes.v3i1.2010

Abstract

The heart is a vital organ that plays a crucial role in the circulatory system, responsible for pumping oxygen-rich blood and nutrients throughout the body and returning blood containing carbon dioxide to the lungs. Anatomically, the heart consists of four chambers. The coronary vascular system supplies oxygen and nutrients to the heart muscles. The physiology of the heart involves the cycle of heart muscle contraction (systole) and relaxation (diastole), heart rate regulation, and the electrical conduction system that coordinates the heartbeat. Coronary artery disease (CAD) is a disorder of the coronary blood vessels due to atherosclerosis, causing narrowing or blockage of the arteries, hindering blood flow, and leading to ischemia. Prevention of CAD can be done by maintaining a healthy diet, exercising regularly, avoiding smoking, and controlling blood pressure, cholesterol, and blood sugar levels. Understanding the anatomy, physiology, and coronary artery disease is essential for maintaining heart health and preventing cardiovascular disorders.
Pengaruh Konsumsi Teh Hijau Berlebih terhadap Kesehatan Usus Pramai Sheila Eka Khoireina; Amelia Putri Az Zahra; Azlinatul Lulu Kharolaini; Khotimah Nur Ramadhani; Liss Dyah Dewi Arini
Nian Tana Sikka : Jurnal ilmiah Mahasiswa Vol. 3 No. 1 (2025): Nian Tana Sikka : Jurnal ilmiah Mahasiswa
Publisher : Fakultas Ekonomi & Bisnis, Universitas Nusa Nipa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59603/niantanasikka.v3i1.725

Abstract

Green tea is widely known as a beverage rich in antioxidants with numerous health benefits. However, excessive consumption may have negative effects, particularly on gut health. This article discusses the impact of excessive green tea consumption on stomach irritation, mineral absorption disruption, gut microbiota imbalance, and caffeine-related side effects. It concludes that moderate consumption of green tea (2-3 cups per day) is safe and beneficial. Proper consumption management can maximize green tea benefits without adverse effects on gut health.
Peran Asam Nukleat dalam Proses Sintesis Protein: Analisis Mekanisme DNA, RNA, dan Ribosom dalam Regulasi Genetik Amelia Putri Az Azahra; Pramesti Listanto; Khotimah Nur Ramadhani; Tyara Avrilyanti Ghea Indriansyah; Latifa Alya Khairunnisa; Liss Dyah Dewi Arini
Student Scientific Creativity Journal Vol. 3 No. 2 (2025): Student Scientific Creativity Journal
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/sscj-amik.v3i2.5501

Abstract

Nucleic acids play a vital role in the process of protein synthesis, which is the core of genetic regulation in cells. This process involves a complex mechanism of DNA, RNA, and ribosomes working in a coordinated manner. DNA (deoxyribonucleic acid) functions as a genetic blueprint that stores information for protein synthesis. Through the process of transcription, DNA is transcribed into messenger RNA (ribonucleic acid) (mRNA) in the cell nucleus. mRNA carries the genetic code to the cytoplasm, where ribosomes act as translation centers. Ribosomes, together with transfer RNA (tRNA), read the codon sequence on mRNA to determine the sequence of amino acids that will be assembled into polypeptides. This process, called translation, involves complex interactions between mRNA, tRNA, and ribosomes to ensure that the resulting protein is in accordance with genetic instructions. In addition, the role of non-coding RNA, such as microRNA and riboswitches, is also important in regulating gene expression post-transcriptionally. A deep understanding of the mechanisms of DNA, RNA, and ribosomes has opened up great opportunities in biotechnology and medicine, such as gene therapy and RNA-based drug development. Thus, the analysis of the role of nucleic acids becomes an important foundation in the exploration of molecular biology and genetics.
Penggunaan Safranin sebagai Pewarna Alternatif dalam Pengamatan Mikroskopik Daun Bayam Amelia Putri Az Zahra; Azlinatul Lulu Kharolaini; Feni Atika Tsuroya; Khotimah Nur Ramadhani; Pramai Sheila eka khoireina; Septi Puspita Kurniawati; Liss Dyah Dewi Arini
Jurnal Mahasiswa Ilmu Kesehatan Vol. 3 No. 3 (2025): Jurnal Mahasiswa Ilmu Kesehatan
Publisher : STIKes Ibnu Sina Ajibarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59841/jumkes.v3i3.2925

Abstract

Microscopic staining is an important technique in observing plant tissue to increase contrast and clarify cellular structures. One of the dyes commonly used in plant tissue studies is Safranin, a cationic base compound from the azo group that has a high affinity for cell components that produce negative impacts such as lignin and nucleic acids. This study aims to determine the effectiveness of Safranin as an alternative dye in microscopic observation of spinach leaf tissue (Amaranthus spp.). The practicum was carried out using the wet preparation method, using cross-sections of spinach leaves stained with Safranin solution, then observed under a light microscope. The results showed that Safranin was able to provide good red color contrast to cell walls, cell nuclei, and blood vessel tissue, so that structures such as epidermis, palisade tissue, sponges, and xylem and phloem could be clearly identified. However, obstacles arise in the regulation of concentration and duration of staining, where excess of both can cause excess and excessive structural accuracy. Therefore, adjustment of technical parameters is needed to obtain optimal results. These findings indicate that Safranin is effective as a microscopic dye and has the potential to be used in educational practicum activities, because it is economical, safe, and easy to apply. This study also applies the interdisciplinary application of chemistry and biology in science learning.
Co-Authors Amelia Putri Az Azahra Amelia Putri Az Zahra Azlinatul Lulu Kharolaini Elsa Oktavia Ramadhani Feni Atika Tsuroya Feni Atika Tsuroyya Latifa Alya Khairunnisa Liss Dyah Dewi Arini Pramai Sheila Eka Khoireina Pramesti Listanto Septi Puspita Kurniawati Tyara Avrilyanti Ghea Indriansyah