Results 91 to 100 of about 24,155 (261)

Measurement of very low-molecular weight metabolites by traveling wave ion mobility and its use in human urine samples

Journal of Pharmaceutical Analysis
The collision cross-sections (CCS) measurement using ion mobility spectrometry (IMS) in combination with mass spectrometry (MS) offers a great opportunity to increase confidence in metabolite identification.
Alongkorn Kurilung, Suphitcha Limjiasahapong, Khwanta Kaewnarin, Pattipong Wisanpitayakorn, Narumol Jariyasopit, Kwanjeera Wanichthanarak, Sitanan Sartyoungkul, Stephen Choong Chee Wong, Nuankanya Sathirapongsasuti, Chagriya Kitiyakara, Yongyut Sirivatanauksorn, Sakda Khoomrung   +11 more
doaj   +1 more source

Application of Receiver Operating Characteristic (ROC) Curves for Explosives Detection Using Different Sampling and Detection Techniques [PDF]

, 2013
Reported for the first time are receiver operating characteristic (ROC) curves constructed to describe the performance of a sorbent-coated disk, planar solid phase microextraction (PSPME) unit for non-contact sampling of a variety of volatiles. The PSPME
Almirall, Jose, Fan, Wen, Raeva, Anna, Young, Mimy   +3 more
core   +2 more sources

Progress in Surface‐Enhanced Raman Scattering‐Based Volatile Organic Compounds Detection: Materials, Application, and Prospects

Rare Metals, EarlyView.
ABSTRACT The detection of volatile organic compounds (VOCs) holds significant implications in environmental monitoring and disease diagnosis. Traditional gas detection technologies are constrained by complex operation and high cost, thereby failing to satisfy real‐time detection demands.
Yuening Wang, Lin Qiu, Jian Yu, Wen Ma, Xiaoyu Song, Mingjian Zhang, Yujiao Xie, Aochi Liu, Li Sun, Xiangyu Meng, Jie Lin, Xiaotian Wang   +11 more
wiley   +1 more source

Combining Laser‐Induced Edition to Collision‐Induced Sequencing of Digital Oligomers in a Single Gas‐Phase Experiment

Rapid Communications in Mass Spectrometry, EarlyView.
ABSTRACT Rationale To increase the confidentiality level of molecular tags, binary information can be hidden in sequence‐defined oligomers using isobaric monomers including a photo‐sensitive one, which mass can be modified upon light irradiation. Reading such secured data requires light edition prior to MS/MS sequencing, which was investigated here in ...
Clothilde Comby‐Zerbino, Jean‐François Lutz, Luke MacAleese, Laurence Charles   +3 more
wiley   +1 more source

Deciphering Branched Galactomannan Structures via Multistage Ion Mobility MS and MSn Fragmentation (Multistage IMSn)

Rapid Communications in Mass Spectrometry, EarlyView.
ABSTRACT Rationale Hemicelluloses are abundant carbohydrate components in plant cell walls. They play a crucial structural role in binding cellulose microfibrils, in addition to other biological functions. Their high structural variability directly influences their biological properties, making it important to establish a structure–function ...
Rania Benazza, Mathieu Fanuel, Hélène Rogniaux, David Ropartz   +3 more
wiley   +1 more source

IMS2 – An integrated medical software system for early lung cancer detection using ion mobility spectrometry data of human breath

Journal of Integrative Bioinformatics, 2007
IMS2 is an Integrated Medical Software system for the analysis of Ion Mobility Spectrometry (IMS) data. It assists medical staff with the following IMS data processing steps: acquisition, visualization, classification, and annotation.
Baumbach Jan, Bunkowski Alexander, Lange Sita, Oberwahrenbrock Timm, Kleinbölting Nils, Rahmann Sven, Baumbach Jörg Ingo   +6 more
doaj   +1 more source

Headspace Gas Chromatography Coupled to Mass Spectrometry and Ion Mobility Spectrometry: Classification of Virgin Olive Oils as a Study Case

Foods, 2020
Due to its multiple advantages, ion mobility spectrometry (IMS) is being considered as a complementary technique to mass spectrometry (MS). The goal of this work is to investigate and compare the capacity of IMS and MS in the classification of olive oil ...
María García-Nicolás, Natalia Arroyo-Manzanares, Lourdes Arce, Manuel Hernández-Córdoba, Pilar Viñas   +4 more
doaj   +1 more source

Investigating the structural compaction of biomolecules upon transition to the gas-phase using ESI-TWIMS-MS [PDF]

, 2017
Collision cross-section (CCS) measurements obtained from ion mobility spectrometry-mass spectrometry (IMS-MS) analyses often provide useful information concerning a protein’s size and shape and can be complemented by modeling procedures.
Ashcroft, Alison E., Calabrese, Antonio N., Devine, Paul W. A., Fisher, Henry C., Higazi, Daniel R., Lowe, David C., Potts, Jennifer Robyn, Radford, Sheena E., Whelan, Fiona   +8 more
core   +2 more sources

Illicit Drug‐Derived Volatile Organic Compounds as Markers for Application in Noncontact Detection Technology

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, Solpa Lee, Anmo J. Kim, Cong Wang, Yongwoo Jang   +4 more
wiley   +1 more source

Ion Mobility Spectrometry as a Potential Tool for Flavor Control in Chocolate Manufacture

Foods, 2019
Chocolate has a complex flavor profile composed of more than 600 volatile compounds that mainly arise from the thermo-mechanical treatment during roasting and conching. The aim of this study was to evaluate the applicability of ion mobility spectrometry (
Carolin Schmidt, Doris Jaros, Harald Rohm   +2 more
doaj   +1 more source