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All Journal Journal of Selvicoltura Asean Research of Scientia Naturalis Journal of Biomedical and Techno Nanomaterials
Ewane, Elvis
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Physics

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INNOVATIONS IN BIOREMEDIATION: HARNESSING MICROBIAL POWER TO CLEAN UP POLLUTION Xiang, Yang; Wei, Sun; Ewane, Elvis
Research of Scientia Naturalis Vol. 2 No. 2 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/scientia.v2i2.2008

Abstract

Pollution poses a significant threat to ecosystems and human health, prompting the need for effective remediation strategies. Bioremediation, which utilizes microorganisms to degrade environmental pollutants, has emerged as a promising approach to address this challenge. This study aims to explore recent advancements in bioremediation technologies, focusing on the role of specific microbial communities in the degradation of various pollutants, including heavy metals, hydrocarbons, and pesticides. The research seeks to identify effective microbial strategies and their applications in real-world scenarios. A comprehensive literature review was conducted, analyzing recent studies on microbial bioremediation techniques. Laboratory experiments were performed to evaluate the degradation rates of selected pollutants by specific microbial strains. Case studies of successful bioremediation projects were also included to illustrate practical applications. Findings indicate that innovative microbial techniques, such as genetically engineered strains and bioaugmentation, significantly enhance the degradation of pollutants. Successful case studies demonstrated substantial reductions in pollutant concentrations, showcasing the efficacy of microbial bioremediation in various environments. This research highlights the potential of harnessing microbial power for effective pollution cleanup.
SURFACE-ENHANCED RAMAN SPECTROSCOPY (SERS) USING SILVER NANOSTARS FOR THE MULTIPLEXED DETECTION OF DISEASE BIOMARKERS IN SERUM Tchuente, Nadine; Ngassa, Michel; Ewane, Elvis
Journal of Biomedical and Techno Nanomaterials Vol. 2 No. 6 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/jbtn.v2i6.2980

Abstract

Early and accurate detection of disease biomarkers in serum is essential for clinical diagnosis, prognosis, and precision medicine, yet conventional immunoassays often rely on labeled reagents, multiple processing steps, and limited multiplexing capability. Surface-Enhanced Raman Spectroscopy (SERS) offers label-free molecular specificity, but its clinical application has been constrained by reproducibility and sensitivity challenges in complex biological matrices. This study aims to develop a silver nanostar–based SERS platform for the multiplexed detection of disease biomarkers directly in serum. An experimental nanobiosensing approach was employed, involving the synthesis of shape-controlled silver nanostars, surface functionalization with biomolecular recognition elements, physicochemical characterization, and SERS-based analytical evaluation in serum samples. The results demonstrate that silver nanostars generate strong and stable Raman enhancement, enabling clear discrimination of multiple biomarker signatures at low nanomolar concentrations. High linearity, acceptable reproducibility, and minimal matrix interference were achieved under multiplexed conditions. Comparative analysis confirmed superior performance of nanostars relative to conventional spherical nanoparticles. In conclusion, silver nanostar–based SERS provides a robust, label-free, and highly sensitive platform for multiplexed serum biomarker detection. This approach holds significant potential for advancing clinical diagnostics and translational bioanalytical applications.
TROPICAL FORESTRY LEGAL FRAMEWORKS AND IMPLEMENTATION CHALLENGES IN SOUTHEAST ASIA Ngoa, Chantal; Ewane, Elvis; Etong, Lucie
Journal of Selvicoltura Asean Vol. 3 No. 1 (2026)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/jsa.v3i1.3546

Abstract

Tropical forests in Southeast Asia play a critical role in biodiversity conservation, carbon sequestration, and supporting local livelihoods. Rapid deforestation, illegal logging, and land-use conflicts continue to undermine forest sustainability, highlighting persistent gaps between legal frameworks and practical implementation. Understanding these challenges is essential for developing effective governance strategies that balance ecological, social, and economic objectives. The study aims to evaluate the existing legal frameworks governing tropical forestry in Southeast Asia and to identify key barriers to effective implementation. It examines how laws, policies, and regulations are operationalized across multiple countries, with particular attention to enforcement mechanisms, stakeholder engagement, and alignment with sustainable forest management goals. A mixed-methods approach was employed, combining legal document analysis, interviews with policymakers, forestry experts, and community representatives, and comparative assessment across selected Southeast Asian countries. Data were analyzed to assess the coherence, effectiveness, and practical challenges of forest governance systems. Findings reveal that while comprehensive legal frameworks exist, enforcement gaps, inconsistent policy application, limited technological monitoring, and insufficient community participation impede effective implementation. Countries with integrated governance mechanisms and participatory approaches demonstrate improved compliance and forest conservation outcomes. The study concludes that aligning legal frameworks with technological support and active stakeholder engagement is critical to enhancing tropical forest governance. Recommendations include adaptive policies, strengthened monitoring systems, and participatory mechanisms to ensure sustainable forest management.
Co-Authors Etong, Lucie Ngassa, Michel Ngoa, Chantal Sun Wei Tchuente, Nadine Xiang, Yang