Results 71 to 80 of about 86,759 (272)
Carbon Nanohorn Suprastructures on a Paper Support as a Sorptive Phase
Molecules, 2018 This article describes a method for the modification of paper with single-wall carbon nanohorns (SWCNHs) to form stable suprastructures. The SWCNHs form stable dahlia-like aggregates in solution that are then self-assembled into superior structures if ...
Julia Ríos-Gómez +4 more
doaj +1 more source
Ionic Liquid-Assisted DLLME and SPME for the Determination of Contaminants in Food Samples
Separations, 2022 Developing effective and green methods for food analysis and separation has become an urgent issue regarding the ever-increasing concern of food quality and safety.
Lirong Nie +6 more
doaj +1 more source
The Chemical Record, EarlyView.This review highlights the characteristic odor markers of illicit drugs, emphasizing volatile markers from both natural and synthetic sources, and explores the shift from canine‐based detection to emerging noncontact sensing technologies. Illicit drug use remains a global concern, requiring effective detection methods to counter evolving concealment ...
Minwoo Kim +4 more
wiley +1 more source
Recent Advances in Applications of Ionic Liquids in Miniaturized Microextraction Techniques
Molecules, 2018 Green sample preparation is one of the most challenging aspects in green analytical chemistry. In this framework, miniaturized microextraction techniques have been developed and are widely performed due to their numerous positive features such as ...
Maria Kissoudi, Victoria Samanidou
doaj +1 more source
Journal of Chromatography Open, 2022 Dispersive liquid-liquid microextraction (DLLME) was compared to liquid-liquid extraction (LLE) in terms of the methods’ abilities to analyze samples and ultimately to provide information to an analyst.
Trevor A. Johnson +3 more
doaj +1 more source
The scent of death: A case study for volatile markers of decomposition on a concrete floor
Journal of Forensic Sciences, EarlyView.Abstract Volatile organic compounds (VOCs) released during human decomposition are chemically diverse and can provide forensic evidence indicating the prior presence of a corpse. In July 2023, the Michigan City Police Department received a report from an individual claiming to have murdered his roommate and stored the body in a basement cellar for 57 ...
Alexis Hecker +2 more
wiley +1 more source
SeparationsSample preparation is a critical step in the analytical process. Apart from the traditional sample cleanup approaches, microextraction-based techniques have attracted much attention in recent years and especially from researchers working in the analysis ...
Styliani Nisyriou +1 more
doaj +1 more source
ASM Science Journal, 2020 A rapid and straightforward method based on effervescent-assisted dispersive liquid-liquid microextraction combined with high-performance liquid chromatography-ultraviolet (HPLC-UV) detection for preconcentration of ketoprofen in water samples was ...
Wan Mohd Afiq Wan Mohd Khalik
doaj +1 more source
Aldehyde Dehidrogenase Level and Fatty Acid Ethyl Ester as Biochemical Markers Persist Longer Than Ethanol in Wistar Rats After Chronic Alcohol Consumption [PDF]
, 2010 Alcohol consumption in human has increased from year to year in Indonesia and more recently, anincreasing number of cases of alcohol intoxication, alcoholic liver disease, and death were observed.The purpose of this experimental study was to examine the ...
Astawa, N. M. (Nyoman) +3 more
core
Use of a new enrichment nanosorbent for speciation of mercury by FI-CV-ICP-MS [PDF]
, 2015 Mercury is one of the most toxic environmental pollutants and its effects on human and ecosystem health are well known. All mercury species are toxic, with organic mercury compounds generally being more toxic than inorganic species.
Cano-Pavón, José Manuel +3 more
core +1 more source