Philip J. Marriott
YOU?
Author Swipe
View article: Insights into Application of Metaverse and Virtual Platforms with Gas Chromatography: Communication, Concept Understanding, Instrumental Training, Optimization Skill Development, and Database Sharing
Insights into Application of Metaverse and Virtual Platforms with Gas Chromatography: Communication, Concept Understanding, Instrumental Training, Optimization Skill Development, and Database Sharing Open
Scientific collaboration traditionally relies on activities such as workshops, training programs, services, conferences, and personal meetings. In recent years, commercial-academic partnerships and global events such as pandemics have acce…
View article: The observation of band shapes for shape-shifting molecule transformations in comprehensive two-dimensional gas chromatography
The observation of band shapes for shape-shifting molecule transformations in comprehensive two-dimensional gas chromatography Open
Selected components in essential oils are able to undergo on-column thermally-mediated structural changes (Cope rearrangements) during gas chromatography (GC) analysis. In this study, focus is on the germacrene B-to-γ-elemene and furanodie…
View article: A 3D printed cryogenic device for gas chromatography: Design, and performance demonstrated for multidimensional and enantioselective separations
A 3D printed cryogenic device for gas chromatography: Design, and performance demonstrated for multidimensional and enantioselective separations Open
This paper describes the development of a device 3D printed using stainless steel that is intended to operate as a cold trapping assembly when cooled by liquid CO2, in a manner similar to a longitudinally modulated cryogenic sys…
View article: Phytochemical Analysis and Biological Activities of Flavonoids and Anthraquinones from Cassia alata (Linnaeus) Roxburgh and Their Implications for Atopic Dermatitis Management
Phytochemical Analysis and Biological Activities of Flavonoids and Anthraquinones from Cassia alata (Linnaeus) Roxburgh and Their Implications for Atopic Dermatitis Management Open
To study Cassia alata (CA) (Linnaeus) Roxburgh’s effectiveness towards atopic dermatitis (AD), CA leaf extracts were prepared using three methanol-based extraction solvent systems. Bioactive constituents were characterized and quantified v…
View article: Carbohydrate-based co-encapsulation of spice oleoresin blends: Impact on flavor release profiles, storage stability, and sensory acceptance
Carbohydrate-based co-encapsulation of spice oleoresin blends: Impact on flavor release profiles, storage stability, and sensory acceptance Open
The study highlights the impact of different carbohydrate-based wall materials on the encapsulation and release of flavors and physicochemical characteristics of spray-dried oleoresin blends. The inlet temperature and the wall material typ…
View article: Preparation of COF-based membranes via chiral induction for efficient enantioselective resolution
Preparation of COF-based membranes via chiral induction for efficient enantioselective resolution Open
Efficient chiral resolution is highly important in the food, pharmaceutical and agriculture industries because of the distinctive biological or pharmaceutical properties of enantiomers. Membrane-assisted chiral separation, which has the po…
View article: Rapid Determination of Methamphetamine, Methylenedioxymethamphetamine, Methadone, Ketamine, Cocaine, and New Psychoactive Substances in Urine Samples Using Comprehensive Two-Dimensional Gas Chromatography
Rapid Determination of Methamphetamine, Methylenedioxymethamphetamine, Methadone, Ketamine, Cocaine, and New Psychoactive Substances in Urine Samples Using Comprehensive Two-Dimensional Gas Chromatography Open
Background/Objectives: This study evaluates the applicability of a comprehensive two-dimensional gas chromatography−flame ionisation detection (GC×GC−FID) approach for the simultaneous determination of 12 underivatised psychoactive drugs, …
View article: Impact of thermal processing and emulsification methods on spice oleoresin blending: Insights for flavor release and emulsion stability
Impact of thermal processing and emulsification methods on spice oleoresin blending: Insights for flavor release and emulsion stability Open
This study investigated the effect of heat treatments on the pungency and aroma profiles of a spice oleoresin blend, and the emulsion stability with different surfactants, encapsulating agents, and homogenization mechanisms. Total pungency…
View article: A Homochiral Porous Organic Cage‐Polymer Membrane for Enantioselective Resolution
A Homochiral Porous Organic Cage‐Polymer Membrane for Enantioselective Resolution Open
Membrane‐based enantioselective separation is a promising method for chiral resolution due to its low cost and high efficiency. However, scalable fabrication of chiral separation membranes displaying both high enantioselectivity and high f…
View article: Comprehensive Two-Dimensional Gas Chromatography–Mass Spectrometry as a Tool for the Untargeted Study of Hop and Their Metabolites
Comprehensive Two-Dimensional Gas Chromatography–Mass Spectrometry as a Tool for the Untargeted Study of Hop and Their Metabolites Open
Since hop secondary metabolites have a direct correlation with the quality of beer and other hop-based beverages, and the volatile fraction of hop has a complex composition, requiring effective separation, here we explore the application o…
View article: Shape-shifting molecule behaviour during comprehensive two-dimensional gas chromatography analysis—A review
Shape-shifting molecule behaviour during comprehensive two-dimensional gas chromatography analysis—A review Open
This research considers a number of molecular structural changes that have been reported in gas chromatography (GC), which take place during the chromatographic separation process of a molecule, and leads to an observation of an elevated b…
View article: Variation of wine preference amongst consumers is influenced by the composition of salivary proteins
Variation of wine preference amongst consumers is influenced by the composition of salivary proteins Open
The preferences of consumers for different flavours and aromas in wine are varied and may be explained by inherent factors such as cultural background, wine education and personal taste of the wine consumer. Wine flavour, as perceived in t…
View article: Use and abuse of retention indices in gas chromatography
Use and abuse of retention indices in gas chromatography Open
The value of the concept of retention indices (RI) to the practice of gas chromatography (GC) is highlighted, where the RI of a compound is one component of the strategy to identify the compound. The widespread reliance on GC and then on m…
View article: Exploring thermal isomerisation in gas chromatography analyses using natural pyrethrins: Comparison of comprehensive two-dimensional and one-dimensional gas chromatography
Exploring thermal isomerisation in gas chromatography analyses using natural pyrethrins: Comparison of comprehensive two-dimensional and one-dimensional gas chromatography Open
This study aims to assess and qualitatively compare the visual presentation of chromatographic data from the isomerisation of natural pyrethrins - a group of pesticides derived from Chrysanthemum flowers - using one-dimensional gas chromat…
View article: Early Prediction of Shiraz Wine Quality Based on Small Volatile Compounds in Grapes
Early Prediction of Shiraz Wine Quality Based on Small Volatile Compounds in Grapes Open
Wine producers perform early wine quality prediction based on berry morphology, the taste of the berry and the measurement of basic chemical parameters. Incorporating analysis on grape and wine volatiles could potentially achieve a more ac…
View article: Lipase-catalysed changes in essential oils revealed by comprehensive two-dimensional gas chromatography
Lipase-catalysed changes in essential oils revealed by comprehensive two-dimensional gas chromatography Open
Candida antarctica lipase A (CALA) was applied for the chemo-selective enzymatic transesterification of terpene and phenyl alcohols in 35 different essential oil samples. Comprehensive two-dimensional gas chromatography with mass spectrome…
View article: Comprehensive Two-Dimensional Gas Chromatography as a Bioanalytical Platform for Drug Discovery and Analysis
Comprehensive Two-Dimensional Gas Chromatography as a Bioanalytical Platform for Drug Discovery and Analysis Open
Over the last decades, comprehensive two-dimensional gas chromatography (GC×GC) has emerged as a significant separation tool for high-resolution analysis of disease-associated metabolites and pharmaceutically relevant molecules. This revie…
View article: Variation of wine preference amongst consumers is influenced by the composition of salivary proteins
Variation of wine preference amongst consumers is influenced by the composition of salivary proteins Open
The preferences of consumers for different flavours and aromas in wine are varied and may be explained by inherent factors such as cultural background, wine education and personal taste of the wine consumer. Wine flavour as perceived in th…
View article: A Homochiral Poly(2‐oxazoline)‐based Membrane for Efficient Enantioselective Separation
A Homochiral Poly(2‐oxazoline)‐based Membrane for Efficient Enantioselective Separation Open
Chiral separation membranes have shown great potential for the efficient separation of racemic mixtures into enantiopure components for many applications, such as in the food and pharmaceutical industries; however, scalable fabrication of …
View article: A Homochiral Poly(2‐oxazoline)‐based Membrane for Efficient Enantioselective Separation
A Homochiral Poly(2‐oxazoline)‐based Membrane for Efficient Enantioselective Separation Open
Chiral separation membranes have shown great potential for the efficient separation of racemic mixtures into enantiopure components for many applications, such as in the food and pharmaceutical industries; however, scalable fabrication of …
View article: Cassia alata (Linnaeus) Roxburgh for Skin: Natural Remedies for Atopic Dermatitis in Asia and Their Pharmacological Activities
Cassia alata (Linnaeus) Roxburgh for Skin: Natural Remedies for Atopic Dermatitis in Asia and Their Pharmacological Activities Open
Atopic dermatitis (AD) is an inflamed skin condition with relapsing pruritus and cutaneous physiological dysfunction. This skin disorder is widespread around the world and frequently affects infants, children and adults. Natural products w…
View article: Solid phase microextraction for quantitative analysis – Expectations beyond design?
Solid phase microextraction for quantitative analysis – Expectations beyond design? Open
Solid phase microextraction (SPME) is a convenient, effective and green sample preparation technique, offering excellent compatibility with different chromatography methods. This review presents an overview of the history of the SPME techn…
View article: Coffee-roasting variables associated with volatile organic profiles and sensory evaluation using multivariate analysis
Coffee-roasting variables associated with volatile organic profiles and sensory evaluation using multivariate analysis Open
A multivariate analysis investigated the operational variables of a professional roaster, the volatile chemical composition of roasted specialty coffee and how they correlate with the sensory evaluation of the final beverage, which directl…
View article: Can wine quality be predicted by small volatile compounds? A study based on performance of wine show entries and their volatile profiles
Can wine quality be predicted by small volatile compounds? A study based on performance of wine show entries and their volatile profiles Open
It is widely recognized that wine aroma critically influences wine quality, yet the extent to which volatile compound composition in wine determines wine quality has proven difficult to define, beyond the negative influence of taint compou…
View article: Phytochemical Constituents and Antiproliferative Activities of Essential Oils from Four Varieties of Malaysian Zingiber officinale Roscoe against Human Cervical Cancer Cell Line
Phytochemical Constituents and Antiproliferative Activities of Essential Oils from Four Varieties of Malaysian Zingiber officinale Roscoe against Human Cervical Cancer Cell Line Open
This study evaluates the volatile metabolic constituents and anticancer potential of essential oils distilled from the rhizomes of four Malaysian Zingiber officinale Roscoe (Zingiberaceae family) varieties (Bentong (BE), Cameron Highlands …
View article: Building sustainable research and data tools and partnerships for a healthy city for all
Building sustainable research and data tools and partnerships for a healthy city for all Open
Vancouver is located in a temperate rain forest surrounded by mountains and water. Indigenous communities, including the Nations whose homelands the city occupies, have recognized that the abundance of this place can build healthy communit…
View article: Detection of Volatiles from Raw Beef Meat from Different Packaging Systems Using Solid-Phase Microextraction GC–Accurate Mass Spectrometry
Detection of Volatiles from Raw Beef Meat from Different Packaging Systems Using Solid-Phase Microextraction GC–Accurate Mass Spectrometry Open
The volatile profile of raw beef contains vital information related to meat quality and freshness. This qualitative study examines the effect of packaging system on the formation and release of volatile organic compounds (VOCs) from raw be…
View article: Protocol letter: multicentre prospective cohort study of the early management of acute pancreatitis in Great Britain and Ireland: PANC Study (Pancreatitis: A National Cohort Study)
Protocol letter: multicentre prospective cohort study of the early management of acute pancreatitis in Great Britain and Ireland: PANC Study (Pancreatitis: A National Cohort Study) Open
View article: Average Theoretical Peak Time as a Metric to Analytical Speed in Monodimensional and Multidimensional Gas Chromatographic Separations
Average Theoretical Peak Time as a Metric to Analytical Speed in Monodimensional and Multidimensional Gas Chromatographic Separations Open
View article: Comprehensive Two-Dimensional Gas Chromatography with Mass Spectrometry: Toward a Super-Resolved Separation Technique
Comprehensive Two-Dimensional Gas Chromatography with Mass Spectrometry: Toward a Super-Resolved Separation Technique Open
A data interpretation and processing approach for improved compound identification and data presentation in comprehensive two-dimensional gas chromatography (GC×GC) is described. A footprint peak of a compound in 2D space can be represente…