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All Journal Jurnal Biologi Tropis Jurnal Biolokus: Jurnal Penelitian Pendidikan Biologi dan Biologi JPBIO (Jurnal Pendidikan Biologi) Jurnal AbdiMas Nusa Mandiri Journal of Natural Sciences Sriwijaya Bioscientia BIOVALENTIA: Biological Research Journal Jurnal Sylva Lestari Jurnal Medika: Medika
Yadi Oktariansyah
Sriwijaya University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Education Energy Environmental Science Health Professions Immunology & microbiology Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Journal : biovalentia biological research journal

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A Physiological Status Affect Reptiles Thermoregulation’s Strategy: A Review Oktariansyah, Yadi
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.1.2025.459

Abstract

As an ectotherm class, reptiles' thermoregulation has unique mechanisms through the combination of physiological traits, behavioral adjustments, and environmental aspects. Reptiles need to do thermoregulation since their body temperature is affected by environmental aspects. Reptiles experience physiological status, which plays an important role in thermoregulatory behavior. This study explores the response of reptiles' thermoregulation strategy under various physiological states, representing facts about the complex thermoregulation mechanism. Specific physiological statuses such as life stage, reproduction status, immune and health system, dehydration, and digestive have been deeply explored by researchers to identify the effects of these traits on reptiles' thermoregulation strategies. These traits significantly affect reptiles' body temperature, such as having low Tb under the dehydration state and choosing higher Tb to promote food digestion under the digestive state. However, the consistency of these results may vary among reptile species that refer more to behavioral adjustment and mating process rather than physiological status. Different life stages and reproduction statuses also influence reptiles' thermoregulation strategy and implicate the evolutionary mechanism for gravid females to obtain a thermally suitable environment, especially for their embryos. Under behavioral adjustments, reptiles alter microhabitat selection to encounter low thermal environments such as water desiccation or climate change threats. Further research that combines physiological traits, behavioral adjustment, and environmental aspects through a biophysical model can contribute to demonstrating how thermoregulation strategies may compromise different physiological statuses. For reptiles, climate change is strongly associated with population loss. Therefore, this study with relevant topics may stand as a proxy for conservation regulation and policymakers to reduce unfavorable thermal environment aspects through habitat degradation.
Analysis of Soil Insect Diversity as Bioindicator of Post-Mining Land Reclamation Success Rate: Case Study at West Banko Area, PT Bukit Asam Kamal, Mustafa; Ramadhani, Audya Rahma; Oktariansyah, Yadi
BIOVALENTIA: Biological Research Journal Vol. 11 No. 1 (2025)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.11.1.2025.468

Abstract

Open-pit coal mining damages habitat, alters soil, and lowers biodiversity, therefore harming the ecosystem. Efforts at land reclamation involving topsoil restoration and regrowth are very vital for ecological recovery. This study uses soil insect diversity as a bioindicator of West Banko area PT Bukit Asam, South Sumatera, reclamation success. Soil insects were collected using combinations of soil extraction and forest floor collection methods along transect lines. Environmental factors like soil temperature, pH, humidity, and light intensity were measured to determine habitat conditions. Data demonstrates that Formicidae (Camponotus spp.) dominates the total of 154 soil insect individuals across eight genera, four families, and three orders. Considering excellent development in the restoration effort, the Shannon-Wiener diversity index (H') = 1.80656 indicates a minor degree of biodiversity. But the preponderance of monoculture Eucalyptus plants may limit insect diversity. increased soil humidity levels (60–80%) linked with increased insect population, therefore underlining the significance of soil moisture in the regeneration of ecosystems. The findings underline the need for different vegetation in reclamation strategies to help in better ecological balance and biodiversity. This study would be rather helpful for policymakers to focus on land restoration projects for ecologically acceptable post-mining ecosystem regeneration.
Lactoferrin as a Potential Immune Biomarker in Breast Milk Exposed to Secondhand Smoke: A Literature Review Simamora, Sarah Angelica W.; Artika Sri Wahyuni; Elffisa Eriani; Ario Sucipto; Nayla Khairani; Yadi Oktariansyah
BIOVALENTIA: Biological Research Journal Vol. 12 No. 1 (2026)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.12.1.2026.568

Abstract

Smoking remains prevalent in Indonesia and poses health risks to mothers and infants. Data from the Maternal and Perinatal Death Notification (MPDN) system indicate that maternal mortality increased to 4,129 cases in 2023 from 4,005 cases in the previous year. Although maternal mortality is multifactorial, this highlights the importance of reducing environmental risks such as secondhand smoke (SHS) exposure. SHS is common in household environments and may affect breastfeeding mothers and infants. Breast milk is the main source of infant nutrition and supports early immune protection. Lactoferrin, an iron-binding glycoprotein in breast milk, has antimicrobial, anti-inflammatory, and immunomodulatory functions. SHS-induced oxidative stress may damage the structural integrity of glycoproteins in breast milk, including lactoferrin, which can impair their immunological functions. This literature review aims to examine the potential role of lactoferrin as an immune biomarker in breast milk from mothers exposed to SHS. This study used a literature review approach by identifying, selecting, and synthesizing relevant scientific articles on SHS exposure, breast milk composition, lactoferrin, and infant immune protection based on predetermined inclusion criteria. The reviewed literature indicates that SHS exposure is associated with oxidative stress and inflammatory responses, which may interfere with lactation quality and alter immune-related glycoproteins in breast milk. Lactoferrin is considered a potential biomarker because it is related to antimicrobial activity, immune regulation, and infant protection against infection. This review concludes that reducing household SHS exposure is important to protect breastfeeding mothers and maintain breast milk immunological quality. Further empirical studies are recommended to examine the direct relationship between SHS exposure intensity and lactoferrin levels by considering lactation stage, maternal nutritional status, infant age, infection history, and breastfeeding patterns.
Co-Authors Ali Amran Amrillah Nugrasyah Anita Desiani Ario Sucipto Artika Sri Wahyuni Arum Setiawan Arum Setiawan Ayu Safitri Bambang Suprihatin Billa, Afni Salhsa Cahyani, Riski Desitarani Doni Setiawan Elffisa Eriani Elisa Nurnawati Endri Junaidi, Endri Febrian Hadinata Habiburrahman, Muhammad Hanum, Laila Hanum, Laila Hanum Harvianti, Yuniar Hary Widjajanti Hasanah, Khairatul Huda, Muhammad Komarul Indra Yustian Iqbar, Muhammad Jonatan, Jonatan Laila Hanum Masito, Masito Muhammad Ikhsan Muharni Muharni Musifa, Eva Mustafa Kamal Nayla Khairani Novira, Sandra Patricia, Margareth Pragustiandi, Guntur Pranoto, Aidil Fitra Prayogo, Slamet Putri, Cyntia Sabarani Putri, Ferta Liza Ramadhani, Audya Rahma Sarno . Simamora, Sarah Angelica W. Sinabutar, Lonamonika Siti Rusdiana Puspa Dewi Wardhana, Singgih Tri Zainal Fanani