Results 11 to 20 of about 2,307 (215)
Evaluation of Solvent Compatibilities for Headspace-SIFT-MS Analysis of Pharmaceutical Products
Analytica, 2023 Procedures for determination of the residual solvent and volatile impurity content in pharmaceutical products usually rely on dissolution in a solvent, followed by headspace-gas chromatography (HS-GC) analysis. Whereas chromatographic systems can utilize
Mark J. Perkins +2 more
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Molecules, 2023 Essential oils (EOs) have great potential in inhalation therapy for the treatment of respiratory infections. However, innovative methods for evaluation of antimicrobial activity of their vapors are still needed.
Aishwarya Chaure +7 more
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Foods, 2023 The aroma of coffee is a complex mixture of more than 1000 compounds. The volatile compounds in green and roasted coffee were analyzed to detect several features related to quality, roasting level, origins, and the presence of specific defects.
Fosca Vezzulli +2 more
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Identification of Volatiles of the Dinoflagellate Prorocentrum cordatum
Marine Drugs, 2022 The dinoflagellate Prorocentrum cordatum, often called P. minimum, is a potentially toxic alga found in algal blooms. Volatile compounds released by the alga might carry important information, e.g., on its physiological state, and may act as chemical ...
Diana Koteska +3 more
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Prediction of the Biogenic Amines Index of Poultry Meat Using an Electronic Nose
Sensors, 2019 The biogenic amines index of fresh chicken meat samples during refrigerated storage was predicted based on the headspace analysis using an electronic nose equipped with an array of electrochemical sensors.
Wojciech Wojnowski +4 more
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Shipin gongye ke-ji, 2023 This study is aim at confirming the key stage where the formation of volatile constituents in the headspace above domestic whisky takes place. The static headspace gas chromatography-mass spectrometry was employed to analyze the volatile constituents in ...
Huixing LI +4 more
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Technical note: CO2 is not like CH4 – limits of and corrections to the headspace method to analyse pCO2 in fresh water [PDF]
Biogeosciences, 2021 Headspace analysis of CO2 frequently has been used to quantify the concentration of CO2 in fresh water. According to basic chemical theory, not considering chemical equilibration of the carbonate system in the sample vials will result in a systematic ...
M. Koschorreck +4 more
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Volatile Compounds of Raspberry Fruit: From Analytical Methods to Biological Role and Sensory Impact
Molecules, 2015 Volatile compounds play a key role in the formation of the well-recognized and widely appreciated raspberry aroma. Studies on the isolation and identification of volatile compounds in raspberry fruit (Rubus idaeus L.) are reviewed with a focus on aroma ...
Eugenio Aprea +2 more
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JMIR Mental Health, 2022 BackgroundAlthough there are thousands of mental health apps, 2 apps, Headspace and Calm, claim a large percentage of the marketplace. These two mindfulness and meditation apps have reached tens of millions of active users.
Alison O'Daffer +3 more
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Headspace gas chromatography-mass spectrometry method for the determination of total cyanide concentration in water and postmortem blood samples [PDF]
Journal of the Serbian Chemical Society, 2021 In this study, we aimed to develop a headspace gas chromatography– –mass spectrometry method for determining the total cyanide concentration in the forensic evidences.
Destanoğlu Orhan, Ateş İsmail
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