Results 31 to 40 of about 64,153 (306)

Bioprospecting of Essential Oil-Bearing Plants: Rapid Screening of Volatile Organic Compounds Using Headspace Bubble-in-Drop Single-Drop Microextraction for Gas Chromatography Analysis

Plants, 2022
Essential oils are vital constituents of oil-bearing plants. However, their screening still demands harvesting of the plant for laboratory analysis. We report herein a simple, rapid and robust headspace bubble-in-drop microextraction screening technique (
Thabiso E. Letseka, Ntjana J. Sepheka, Ian A. Dubery, Mosotho J. George   +3 more
doaj   +1 more source

Consensus derived client outcomes and clinician actions for youth online chat mental health services: a Delphi study

Frontiers in Digital Health
IntroductionOnline chat services have increased mental health care access for young people (12–25 years), yet their effectiveness remains unclear. This is partly due to a lack of consensus about primary client outcomes and clinician actions facilitating ...
Sonia Curll, Kelly Mazzer, Kelly Mazzer, Sabina Albrecht, Skye Barbic, Skye Barbic, Amanda Fitzgerald, Kairi Kõlves, Nic Telford, Nickolai Titov, Debra Rickwood, Debra Rickwood   +11 more
doaj   +1 more source

Determination of Cyanide in Biological and Non-biological Matrices by Headspace Gas Chromatography coupled to Flame- Ionization Detector

Arab Journal of Forensic Sciences & Forensic Medicine, 2015
A simple, rapid and reliable method for quantitation of cyanide was developed on a headspace gas chromatograph coupled to a flame ionization detector using a HP-Innovax (Polyethylene glycol bonded) column on an Agilent 7890A GC. Cyanide in blood or other
Humera Shafi, Adeel Subhani, Muhammad Imran, Sardar Ali Watoo, Muhammad Sarwar, Syed Saeed-ul-Hassan, Abida Latif, Muhammad Zar Ashiq, M. Ashraf Tahir, Ammar M. Tahir   +9 more
doaj   +1 more source

Differentiation of Monofloral Honey Using Volatile Organic Compounds by HS-GCxIMS

Molecules, 2022
Honey is a natural product and can be described by its botanical origin, determined by the plants from which the bees collect nectar. It significantly influences the taste of honey and is often used as a quality criterion.
Hannah Schanzmann, Alexander L. R. M. Augustini, Daniel Sanders, Moritz Dahlheimer, Modestus Wigger, Philipp-Marius Zech, Stefanie Sielemann   +6 more
doaj   +1 more source

Determination of citrate content in specialty paper based on headspace gas chromatography

Frontiers in Chemistry
A method for determining citrate content in specialty paper using headspace gas chromatography (HS-GC) is proposed. This method is based on the reaction between sodium citrate and potassium permanganate under acidic conditions, which generates CO2.
Qiyu He, Baoshan Yue, Xinruitong Liu, Hongyue Zhu, Zhenhua Yu, Ying Zhang, Cong Gao, Wei Chen, Yingchun Luo, Jiao Xie, Yi Dai   +10 more
doaj   +1 more source

Monitoring In Vitro and In Vivo Aroma Release of Espresso Coffees with Proton-Transfer-Reaction Time-of-Flight Mass Spectrometry

Applied Sciences, 2022
This work presents in vitro and in vivo aroma release analysis of three espresso coffees carried out by PTR-ToF-MS headspace and nosespace analysis, respectively. The products were C.
Andrea Romano, Luca Cappellin, Sara Bogialli, Paolo Pastore, Luciano Navarini, Franco Biasioli   +5 more
doaj   +1 more source

Source, impact and removal of malodour from soiled clothing [PDF]

, 2016
Static headspace – multi-capillary column – gas chromatography – ion mobility spectrometry (SHS-MCC-GC-IMS) has been applied to the analysis of malodour compounds from soiled clothing (socks and T-shirts), pre- and post washing, at low temperature (20 °C)
Dean, John, Fowlis, Ian A., Dean, John R., Denawaka, Chamila J., Fowlis, Ian, Denawaka, Chamila   +5 more
core   +1 more source

Commentary on Jorm and Kitchener 2020: Rising Australian youth suicide rates despite headspace and Better Access

, 2021
There has been concerted political advocacy for early intervention among young people (aged 12–25), leading to substantial investment in youth mental health, especially via headspace and Better Access, in Australia (Looi et al., 2019, 2020, in press ...
Kisely, Stephen, Allison, Stephen, Looi, Jeffrey, Looi, Jeffrey Cl, Bastiampillai, Tarun, Kisely, Stephen R   +5 more
core   +1 more source

A Rapid Dynamic Headspace Method for Authentication of Whiskies using Artificial Neural Networks [PDF]

, 2023
A rapid headspace analysis method for the authenticity testing of whiskies of different brands and years was developed for a low cost, deployable atmospheric pressure ionisation mass spectrometer, which required minimal sample preparation.
Matthew Arran, Turner, James Christopher, Reynolds, James, Swift   +2 more
core   +1 more source

Mental Health Outcomes for Young People Accessing Individual Placement Support Services: A Cohort Study

Journal of Primary Care & Community Health
Objective: Mental health problems and vocational disengagement are often linked for young people in a self-reinforcing cycle. Integrated Individual Placement and Support (IPS) services can help to not only overcome educational/vocational challenges but ...
Nic Telford, Sabina Albrecht, Alice Wilkin, Carolyn Watts, Debra Rickwood   +4 more
doaj   +1 more source