Results 51 to 60 of about 7,080 (210)
Comparison of the applications of GC-IMS and SPME-GC-MS in the analysis of volatile flavor compounds in strong-flavor Baijiu [PDF]
Zhongguo niangzaoIn order to compare the application differences of solid-phase microextraction-gas chromatography-mass spectrometry (SPME-GC-MS) and gas chromatography-ion mobility spectrometry (GC-IMS) techniques in the detection of flavor compounds in strong-flavor ...
WANG Yihong, ZHENG Jia, ZHU Lizheng, PU Peijuan, WU Yuanxin, YUAN Fang
doaj +1 more source
Zhongguo youzhi, 2023 为高效鉴定食用油脂加工厂污水处理过程的气味组成，采用感官检验以臭阈值量化不同处理工序污水的臭味浓度，并采用气相色谱-离子迁移谱法（GC-IMS）对其挥发性化合物进行分析，并对鉴定出的挥发性化合物进行指纹图谱和主成分分析。结果表明：污水经过处理臭阈值明显降低；GC-IMS鉴定出43种化合物，基本均为含氧有机物，包括酮类、醇类、醛类、酯类、酸类及其他类；总体上各处理工序污水挥发性物质总数和臭阈值的变化规律一致；各处理工序挥发性化合物存在一定差异。综上，GC ...
刘春梅，李思，施钟富，郑绣蒨，刘昌树LIU Chunmei, LI Si, SHI Zhongfu, ZHENG Xiuqian, LIU Changshu
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Breath-based non-invasive diagnosis of Alzheimer’s disease:A pilot study [PDF]
, 2019 Early detection of Alzheimer's disease (AD) will help researchers to better understand the disease and develop improved treatments. Recent developments have thus focused on identifying biomarkers for mild cognitive impairment due to AD (MCI) and AD ...
Clarke, Sophie +9 more
core +2 more sources
Development of the Volatile Fingerprint of Qu Aurantii Fructus by HS-GC-IMS
Molecules, 2022 Volatile components are important active ingredients of Rutaceae. In this study, HS-GC-IMS (headspace-gas chromatography-ion mobility spectrometry) was used to study the volatile compounds of Qu Aurantii Fructus, and a total of 174 peaks were detected, 102 volatile organic compounds (131 peaks) were identified.
Cuifen Fang +4 more
openaire +3 more sources
Chiral Trapped-Headspace GC-QMS-IMS: Boosting Untargeted Benchtop Volatilomics to the Next Level
ChemosensorsIn the field of quality analysis of food and flavoring products, gas chromatography–quadrupole mass spectrometry–ion mobility spectrometry (GC-QMS-IMS) is a powerful technique for the simultaneous detection of volatile organic compounds (VOCs) by both ...
Lukas Bodenbender +4 more
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A university campus case study [PDF]
, 2022 Funding Information: The authors would like to thank Fundação para a Ciência e Tecnologia (FCT - Portugal), Volkswagen Autoeuropa and NMT, S. A. for co-financing of PhD grant PD/BDE/150627/2020, from Doctoral NOVA I4H Program.
Moura, Pedro Catalão +1 more
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Advanced Science, EarlyView.Segmental‐level molecular engineering of a supramolecular polyurethane elastomer integrates strain‐adaptive chains, soft elastic segments, and dynamic hydrogen bonding motifs. This design reconciles skin‐like softness with muscle‐level strength, offering a sustainable and high‐performance material platform for next‐generation artificial skin and soft ...
Haoming Zou +5 more
wiley +1 more source
Discrimination of defective dry-cured Iberian ham determining volatile compounds by non-destructive sampling and gas chromatography [PDF]
, 2021 Evaluation of dry-cured Iberian ham quality is carried out by means of the sense of smell of experts and a percentage of these hams are discarded due to odour defects.
Arce, Lourdes +7 more
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Advanced Electronic Materials, EarlyView.Ising machines are emerging as specialized hardware solvers for computationally hard optimization problems. This review examines five major platforms—digital CMOS, analog CMOS, emerging devices, coherent optics, and quantum systems—highlighting physics‐rooted advantages and shared bottlenecks in scalability and connectivity.
Hyunjun Lee, Joon Pyo Kim, Sanghyeon Kim
wiley +1 more source
Characteristic Volatile Organic Compound Analysis of Different Cistanches Based on HS-GC-IMS
Molecules, 2022 Cistanche is a medicinal and food homologous substance with a long history of consumption and medicinal use in China. In order to further understand the volatile organic compound differences between different cistanches, this study selected oil cistanche, blood cistanche and cistanche tubulosa in Xinjiang for HS-GC-IMS volatile organic compounds, and ...
Shiqi Zhou +6 more
openaire +3 more sources