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All Journal Journal International of Lingua and Technology Rechtsnormen Journal of Law International Journal of Language and Ubiquitous Learning International Journal of Research in Counseling Journal of Selvicoltura Asean Research Psychologie, Orientation et Conseil Journal of Tecnologia Quantica Techno Agriculturae Studium of Research Research of Scientia Naturalis Journal of Social Entrepreneurship and Creative Technology Journal of Humanities Research Sustainability Journal of Educational Teaching and Trends
Chai, Nong
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Agriculture, Biological Sciences & Forestry Humanities Chemistry Decision Sciences, Operations Research & Management Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Physics Social Sciences Other

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Journal : Research of Scientia Naturalis

 1 
The Impact of Climate Change on Forest Ecosystems: A Biomolecular Perspective Chai, Nong; Pong, Ming; Kiat, Ton
Research of Scientia Naturalis Vol. 1 No. 3 (2024)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/scientia.v1i3.1572

Abstract

Climate change has emerged as one of the most significant environmental challenges of our time, profoundly affecting forest ecosystems worldwide. Recent studies have revealed that alterations in temperature, precipitation patterns, and atmospheric CO2 concentrations are causing unprecedented changes at the molecular level within forest organisms. Understanding these biomolecular responses is crucial for predicting and managing forest ecosystem resilience in the face of climate change. This study aimed to investigate the molecular mechanisms underlying forest species' adaptation to climate change and identify key biomarkers associated with stress response and resilience. The research employed a comprehensive approach combining transcriptomics, proteomics, and metabolomics analyses of various forest species across different climatic zones. Samples were collected from 20 forest sites over a three-year period, analyzing molecular responses to temperature fluctuations, drought stress, and elevated CO2 levels. Results demonstrated significant alterations in gene expression patterns related to heat shock proteins, antioxidant enzymes, and stress-responsive transcription factors. Notable changes were observed in metabolic pathways involved in carbon fixation, water use efficiency, and secondary metabolite production. The study identified 15 novel molecular markers associated with climate resilience in forest species. Furthermore, findings revealed distinct biomolecular adaptation strategies among different species and ecological niches. This research concludes that understanding molecular responses to climate change is essential for developing effective forest conservation strategies and predicting ecosystem adaptability. The identified molecular markers can serve as valuable tools for monitoring forest health and implementing targeted conservation measures in the face of ongoing climate change.
Ferroelectric Thin Films for Neuromorphic Computing: Synthesis, Characterization, and Device Integration Huda, Nurul; Zaki, Amin; Chai, Nong; Shofiah, Siti
Research of Scientia Naturalis Vol. 2 No. 4 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/scientia.v2i4.2385

Abstract

The limitations of conventional von Neumann computing architectures in handling complex, data-intensive tasks have spurred significant interest in brain-inspired neuromorphic computing. A critical challenge in this field is the development of hardware that can efficiently emulate the synaptic plasticity of biological neurons. This study focuses on the synthesis, characterization, and integration of ferroelectric thin films, specifically hafnium zirconium oxide (HZO), as a promising material platform for creating artificial synaptic devices. The primary objective was to fabricate high-quality HZO thin films and demonstrate their capacity to mimic key synaptic functions. HZO films were synthesized using pulsed laser deposition, followed by comprehensive characterization of their structural, ferroelectric, and electrical properties using XRD, PFM, and I-V measurements. The optimized films were then integrated into two-terminal memristive device structures. The resulting devices successfully exhibited essential synaptic behaviors, including potentiation, depression, and spike-timing-dependent plasticity (STDP), with low energy consumption per synaptic event. The gradual and controllable modulation of ferroelectric domain switching was identified as the core mechanism enabling this analog-like resistance modulation.  
Co-Authors Arahman, Zulfikar Aris Krisdiyanto Belangi, Siska Putri Chai, Napat Chai, Som Edi Iskandar, Edi Handayani, Wiwik  Haris Danial Ian Tubangsa Irawati Irawati Judijanto, Loso Karimah, Saidatul Khan, Omar Kiat, Ton Lan, Tran Thi Lima, Lucas M. Ubaidillah Karomi Safari, M. Ubaidillah Mafruhah, Anisatul Mas'ud Muhammadiah Nizam, Zain Njoroge, James Nurul Huda Pao, Chai Pong, Ming Rahman, Rashid Rahmat Hidayat Siti Shofiah Thai, Aom Tya, Sandy Zaki, Amin