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Sustainable upcycling of industrial slag into highly porous silica for wastewater treatment
Upcycling industrial slag, a byproduct of ferroalloy production, offers a sustainable approach to producing high-value, porous silica materials. Porous silicas with tailored porosity were synthesized via selective acid leaching using 3 M and 6 M HCl to remove metal oxides from slag. As the slag is composed of oxide nanoparticles of silicon, aluminum, iron, etc., the acid treatment in an optimized condition removed metal oxides other than silica, resulting in a porous structure. The structural an
2026-04
Fast and Accurate Domain Adaptation for Irregular and Regular Tensor Decomposition
Many real-world datasets including stock prices or disease records are represented as regular or irregular tensors across multiple domains. How can we accurately capture patterns from both irregular and regular tensors in a newly emerging domain by leveraging existing ones from multiple domains? This problem is crucial for applications such as identifying patterns of new diseases using data from existing ones. A main challenge is that the new target tensors contain limited information due to the
2026-04
End-to-End 자율주행 AI의 안전성 확보를 위한 기술 동향과 국제 안전 표준 관점의 분석
End-to-end (E2E) learning-based autonomous driving has emerged as a promising paradigm that directly maps sensor inputs to vehicle control commands using data-driven models. Compared to conventional modular architectures, E2E approaches offer advantages in terms of architectural simplification and holistic learning of complex driving contexts from large-scale data. However, since E2E systems rely on probabilistic decision-making, exhibit limited explainability, and remain vulnerable to distribut
2026-04
A novel role of erythropoietin in skin pigmentation through melanin production
Melanin protects the skin from UV radiation and oxidative stress. Its synthesis in melanocytes is regulated by alpha-MSH and the Melanocortin 1 Receptor signaling pathway. The erythropoietin receptor (EPOR) is expressed in melanocytes; however, its function is unknown. EPOR is a receptor for erythropoietin (EPO), which promotes hematopoiesis and protection from hypoxic stress. We hypothesized that EPOR is involved in pigment regulation. Mouse skin tissue models, cultured melanocytes, and human-d
2026-04
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Modeling and Precision Stop of Metropolitan Train with Receding Horizon Control
Modeling of new type of metropolitan train, which is to be introduced on Korean railways in near future, and the control strategy for precision stop is tested in simulation. Modeling is carried out based on the raw test data and previously measured specifications provided by the Korean Railroad Research Institute. Control strategy is divided to two stages. Feed-forward and PI controller was implemented for initial stage. The controller is then switched to a Linear Receding Horizon Controller clo
2015
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A Power-Efficient μ-Heater Driving Circuit for Gas Sensor
Metal-oxide-semiconductor gas sensor consists of sensing layer detecting exposed gases and micro heater generating heat necessary for achieving the best performance of gas reaction. For gas sensor to get high sensitivity, optimal temperature of micro heater should be supplied to sensing layer. In addition, optimal temperature range of each micro heater has different characteristics based on sensing materials and target gases, which needs a demand for designing micro heater driving system. As a s
2017
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Recent Advances in Ultra-High-Speed Wireline Receivers with ADC-DSP-Based Equalizers
High-speed wireline data transceivers (TRX) with analog-to-digital converter (ADC) followed by digital signal processor (DSP) on the receiver (RX) equalizer became popular for applications requiring >100 Gb/s per-lane data rate over long-reach (LR) channels, especially for datacenter applications. With the digital-to-analog converter (DAC)-based transmitter (TX) including DSP-based TX signal processing, the overall structure of DAC/ADC-DSP-based wireline TRXs became similar to modulator/demodula
2024-11
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Characterization of the interaction between Parkin and TSPO-VDAC complex in mediating immune responses in Drosophila
Parkin, an E3 ubuquitin ligase associated with Parkinson's disease (PD), has recently been implicated in mediating innate immunity. However, molecular details regarding parkin-mediated immune response remain to be elucidated. Here, we identified mitochondrial TSPO-VDAC complex to genetically interact with parkin in mediating responses against infection and wound in Drosophila. The loss-of-function mutation in parkin results in defective immune response against bacterial infection. Additionally,
2016
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