Results 131 to 140 of about 38,846 (279)

Recent Development on the Detection and Monitoring of Chemical Intermediates by Ambient Mass Spectrometry [PDF]

Zhipu Xuebao
Along with the development of science and technology, chemical reactions exhibit an important role in various fileds including synthesis, chemical engineering, energy, environment, biology and medicine.
GE Xi-yang1, YIN Yi-yan1, OUYANG Jin2, NA Na1   +3 more
doaj  

Liquid Atmospheric Pressure MALDI (LAP‐MALDI) Mass Spectrometry: A Versatile Tool for the Characterization of Synthetic Polymers

Rapid Communications in Mass Spectrometry, Volume 40, Issue 16, 30 August 2026.
ABSTRACT Rationale Liquid atmospheric pressure matrix‐assisted laser desorption/ionization (LAP‐MALDI) mass spectrometry (MS) has previously been applied to the analysis of biopolymers such as peptides, proteins, and DNA, producing ESI‐like multiply charged analyte ions.
Agata E. Kowalczyk, Jeffery Brown, Michael Morris, Rainer Cramer   +3 more
wiley   +1 more source

Enhancing IR‐MALDESI MSI Spatial Resolution Through Beam Constriction With a Ring‐Actuated Iris

Rapid Communications in Mass Spectrometry, Volume 40, Issue 16, 30 August 2026.
ABSTRACT Rationale Infrared matrix‐assisted laser desorption electrospray ionization (IR‐MALDESI) mass spectrometry imaging (MSI) enables label‐free, spatially resolved molecular analysis of biological tissues under ambient conditions. While improving spatial resolution is important for mapping fine tissue structures, mid‐infrared (IR) lasers are ...
Sarah M. Ashbacher, Seth M. Eisenberg, Alexander A. C. Wainwright, Aosheng Gu, Syeda N. Mahdia, R. J. Dwayne Miller, David C. Muddiman   +6 more
wiley   +1 more source

Monitoring ongoing chemical reactions using eco-friendly miniature ambient ionization mass spectrometry

Green Analytical Chemistry
An analytical technique that combined probe sampling with thermal desorption electrospray ionization mass spectrometry (TD-ESI/MS) was developed to monitor ongoing chemical reactions.
Min-Zong Huang, Chi-Yang Lee, Kuan-Lun Chen, Shu-Yao Lin, Chun-Mei Wu, Jentaie Shiea   +5 more
doaj   +1 more source

Developing transmission mode for infrared matrix‐assisted laser desorption electrospray ionization mass spectrometry imaging

, 2022
Alena N. Joignant, Hongxia Bai, Jacob P. Guymon, Kenneth P. Garrard, Mark Pankow, David C. Muddiman   +5 more
openalex   +1 more source

Deep Learning Sensing Platform for Simultaneous Detection of Kanamycin and Kanamycin B Based on Dual‐Recognition and Catalytic Modulation Mechanism of Aptamer‐Functionalized MIL‐101 Nanozyme

Food Frontiers, Volume 7, Issue 4, July 2026.
Schematic illustration of the deep learning‐based sensing platform for simultaneous detection of KAN and KMB, constructed through dual recognition and catalytic modulation mechanisms of the aptamer‐functionalized MIL‐101 nanozyme. ABSTRACT Extensive antibiotic use has raised concerns over residues in food, necessitating rapid and accurate detection ...
Yadi Qin, Jie Qian, Jian Sun, Qinqin Li, Jun Yao, Minwei Zhang   +5 more
wiley   +1 more source

Multiplexed Tandem Mass Spectrometry Imaging Enables Large‐Scale Isomer Mapping and Annotation in Tissues

Angewandte Chemie, Volume 138, Issue 20, 11 May 2026.
Parallel mass spectrometry imaging acquires high mass resolution and tandem mass spectrometry images from 108 isolation windows in a single run. Spatial similarity networking clusters product ions by spatial distribution, enabling annotation of isomers and isobars as demonstrated for phospholipids and oxidized cholesterol in mouse and human brain ...
Varun V. Sharma, Gabor Toth, Robert Martinis, Cathrin E. Hansen, Gijs Kooij, Ingela Lanekoff   +5 more
wiley   +2 more sources

Dry Deposition Strategies for MALDI–MS Imaging: Principles, Advances and Emerging Applications

Analytical Science Advances, Volume 7, Issue 1, June 2026.
ABSTRACT Matrix‐assisted laser desorption/ionisation mass spectrometry imaging (MALDI–MSI) has become a pivotal tool in biomedical research, enabling untargeted, spatially resolved analysis of molecular species in complex biological tissues. Among the critical steps in MALDI–MSI workflows, matrix deposition significantly influences sensitivity, spatial
Toufik Mahamdi, Oscar Yanes
wiley   +1 more source

Supplementary Figure Legends from Imaging of Esophageal Lymph Node Metastases by Desorption Electrospray Ionization Mass Spectrometry

, 2023
Nima Abbassi‐Ghadi, Ottmar Golf, Sacheen Kumar, Stefan Antonowicz, James McKenzie, Juzheng Huang, Nicole Strittmatter, Hiromi Kudo, Emrys A. Jones, Kirill Veselkov, Robert Goldin, Zoltán Takáts, George B. Hanna   +12 more
openalex   +1 more source

A Convolutional Neural Network and Transfer Learning Approach for Accelerated Quantitative Mass Spectrometry Imaging

Journal of Mass Spectrometry, Volume 61, Issue 6, June 2026.
ABSTRACT This research presents a novel approach to accelerate quantitative mass spectrometry imaging (qMSI) measurements using convolutional neural networks (CNNs) with a transfer learning approach. Current methods are time consuming, require numerous specific steps that allow for the introduction of error, and involve meticulous data analysis.
Russell R. Kibbe, Emily C. Hector, David C. Muddiman   +2 more
wiley   +1 more source