Results 31 to 40 of about 1,649,552 (239)
Optimasi Metode Penetapan Senyawa Eugenol dalam Minyak Cengkeh Menggunakan Gas Chromatography – Mass Spectrum dengan Variasi Suhu Injeksi [PDF]
, 2023 Tanaman cengkeh merupakan salah satu tanaman asli yang tumbuh di Indonesia. Tanaman ini memiliki banyak manfaat, salah satunya dapat digunakan sebagai bahan dasar minyak atsiri yaitu minyak cengkeh yang dapat digunakan sebagai bahan baku dalam beberapa ...
Margareta, Mailinda Ayu Hana +1 more
core +2 more sources
Comparison of advanced offline and in situ techniques of organic aerosol composition measurement during the CalNex campaign [PDF]
Atmospheric Measurement Techniques, 2015 Our understanding of formation processes, physical properties, and climate/health effects of organic aerosols is still limited in part due to limited knowledge of organic aerosol composition.
J. Timkovsky +5 more
doaj +1 more source
Agronomy Science, 2019 W celu zapewnienia prawidłowych i wiarygodnych wyników oznaczenia pozostałości pestycydów w żywności pochodzenia roślinnego duże znaczenie odgrywają dzisiaj specyficzne i selektywne metody analityczne, do których należy metoda QuEChERS (quick easy cheap ...
GRAŻYNA MARIA KOWALSKA +1 more
doaj +1 more source
Toxics, 2021 The quantification and identification of saccharides in pristine marine aerosols can provide useful information for determining the contributions of anthropogenic and natural sources of the aerosol.
Na-Rae Choi +6 more
doaj +1 more source
Peak Alignment of Gas Chromatography-Mass Spectrometry Data with Deep Learning
, 2019 We present ChromAlignNet, a deep learning model for alignment of peaks in Gas Chromatography-Mass Spectrometry (GC-MS) data. In GC-MS data, a compound's retention time (RT) may not stay fixed across multiple chromatograms. To use GC-MS data for biomarker
Li, Mike, Wang, X. Rosalind
core +1 more source
What smells? Developing in-field methods to characterize the chemical composition of wild mammalian scent cues [PDF]
, 2020 Olfactory cues play an important role in mammalian biology, but have been challenging to assess in the field. Current methods pose problematic issues with sample storage and transportation, limiting our ability to connect chemical variation in scents ...
California Environmental Protection Agency +6 more
core +2 more sources
Characterization of the Key Aroma Compounds of Shandong Matcha Using HS-SPME-GC/MS and SAFE-GC/MS
Foods, 2022 Shandong matcha has the quality characteristics of bright green color, seaweed-like aroma and strong, fresh and brisk taste. In order to identify the characteristic aroma components and clarify the contribution of the grinding process to the aroma of ...
Ying Luo +6 more
doaj +1 more source
Detection and accumulation of morphine in hair using GC–MS
Egyptian Journal of Forensic Sciences, 2016 Background: The detection of drugs ingested by humans by analyzing hair samples for their presence is now one of the imperative techniques in the field of forensic toxicology.
Himanshu Khajuria, Biswa Prakash Nayak
doaj +1 more source
Detection and Analysis of VOCs in Cherry Tomato Based on GC-MS and GC×GC-TOF MS Techniques
FoodsVolatile organic compounds (VOCs) play a significant role in influencing the flavor quality of cherry tomatoes (Solanum lycopersicum var. cerasiforme).
Sihui Guan +9 more
doaj +1 more source
Current Research in Food Science, 2023 Maillard reaction products (MRPs) with roasted/broth flavors were prepared and analyzed for the resulting flavor differences. The identification of volatile compounds in MRPs was carried out by GC-MS and GC × GC-ToF-MS.
An-Ran Zheng +5 more
doaj