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Hierarchical Porous Aggregate-Enabled Chromatography-Inspired Single-Sensor E-Nose for Volatile Monitoring.
ACS Sens
January 2025
School of Chemistry and Molecular Engineering, In Situ Devices Research Center, Shanghai Key Laboratory for Urban Ecological Processes and Eco-Restoration, East China Normal University, Shanghai 200241, China.
Monitoring volatile organic compounds (VOCs) is crucial for ensuring safety and health. In this study, we introduce a strategy to engineer a chromatography-inspired single-sensor (CISS) e-nose tailored for VOC monitoring. This approach overcomes the limitations of traditional methodologies and conventional e-noses.
View Article and Find Full Text PDFEvaluating the Impact of Private and Public Sentiments on the Linkage Between Gold and Stock Markets: Evidence from China.
Eval Rev
January 2025
School of Finance, Yunnan University of Finance and Economics, Kunming, China.
Gold and stocks, which are conventionally regarded as a safe haven and risk assets, respectively, exhibit complex interrelationships, with significant implications for financial risk management. This paper builds on the sentiment categorization proposed by Liang et al. (2020) to distinguish between private and public sector sentiment.
View Article and Find Full Text PDFGermanium nanocrystal non-volatile memory devices: fabrication, charge storage mechanism and characterization.
Nanoscale
January 2025
Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117583.
The widespread proliferation and increasing use of portable electronic devices and wearables, and the recent developments in artificial intelligence and internet-of-things, have fuelled the need for high-density and low-voltage non-volatile memory devices. Nanocrystal memory, an emergent non-volatile memory (NVM) device that makes use of the Coulomb blockade effect, can potentially result in the scaling of the tunnel dielectric layer to a very small thickness. Since the nanocrystals are electrically isolated, potential charge leakage paths localized defects in the thin tunnel dielectric can be substantially reduced, unlike that in a continuous polysilicon floating gate structure.
View Article and Find Full Text PDFIdentification of non-volatile compounds during the pile fermentation process of Liupao tea using widely targeted metabolomics based on UPLC-QTOF-MS.
J Food Sci Technol
February 2025
School of Food and Pharmaceutical Engineering (Liupao Tea modern Industry College), Wuzhou University, Wuzhou, 543002 China.
Unlabelled: Pile fermentation plays a crucial role in the formation of the unique flavor of Liupao tea, which can effectively reduce the bitterness of the tea and promote the formation of red tea soup. In this study, the non-volatiles changes of Liupao tea during pile fermentation processing were fully analyzed by UPLC-QTOF-MS/MS. A total of 271 metabolites with significant differences were identified in Liupao tea during pile fermentation( < 0.
View Article and Find Full Text PDFOven roasting effects on the physicochemical and chemosensory characteristics of hemp seeds ( L.).
J Food Sci Technol
February 2025
Department of GreenBio Science/Food Science and Technology, Gyeongsang National University, Jinju, 52725 Republic of Korea.
Physicochemical properties and flavor characteristics of hemp seeds (HS) were analyzed by roasting temperature (140 °C, 160 °C, 180 °C) and time (initial, 3, 6, 9, 12 min). HS with roasting showed a lightness () with increasing roasting time. Total flavonoid content (TFC) decreased significantly with roasting compared to initial, and total phenolic content (TPC) tended to decrease with increasing roasting time at low temperatures (140 °C), but relatively high temperatures (160 °C and 180 °C), TPC increased significantly with increasing roasting time.
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