Cryo secondary ion mass spectrometry for wood component visualization: a mini review

Holzforschung ◽  
2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Dan Aoki ◽  
Yasuyuki Matsushita ◽  
Kazuhiko Fukushima

Abstract Various phenomena in living physiological systems are conducted on the hydrated conditions, and in many cases, they do not work in a dry state. Imaging mass spectrometry is one of the direct detection methods scanning the sample surface with some focused and pulsed energy and analysing the sputtered components. However, under the high vacuum conditions required for usual imaging mass spectrometry, the sample surface is rapidly dried. It is difficult for the target cell to survive, and the original situation are lost soon. Here, the combination of a freeze-fixation and a cryo sample stage is a promising method to do mass spectrometry while maintaining the original situation. By rapidly freezing the cells, the momentary situation as a living cell is fixed. The situation in a living cell can be captured as still images by cryo imaging mass spectrometry. This mini-review introduces the outline of imaging mass spectrometry especially for low molecular weight components and recent results for frozen-hydrated samples by cryo secondary ion mass spectrometry.

The Analyst ◽  
2021 ◽  
Author(s):  
Konstantin Moshkunov ◽  
Benjamin Tomasetti ◽  
Thomas Daphnis ◽  
Vincent Delmez ◽  
Kevin Vanvarenberg ◽  
...  

Sensitivity to molecular ions remains a limiting factor for high resolution imaging mass spectrometry of organic and biological materials. Here, we investigate a variant of matrix-enhanced secondary ion mass spectrometry...


2018 ◽  
Vol 33 (9) ◽  
pp. 1559-1563 ◽  
Author(s):  
Wanfeng Zhang ◽  
Xiaoping Xia ◽  
Yanqiang Zhang ◽  
Touping Peng ◽  
Qing Yang

Secondary ion mass spectrometry (SIMS) has been applied to analyze a wide range of materials for earth science research due to its high sensitivity, high precision and capacity for in situ micro-analysis.


The Analyst ◽  
2021 ◽  
Author(s):  
Charles Lee ◽  
David Scurr ◽  
Long Jiang ◽  
Andrew Kenton ◽  
Shaun Beebe ◽  
...  

A rotation stage was developed to allow the surface of bullet casings to be imaged under ultra-high vacuum (UHV) conditions using time-of-flight secondary ion mass spectrometry (ToF -SIMS). Experiments were...


Author(s):  
Bruno Schueler ◽  
Robert W. Odom

Time-of-flight secondary ion mass spectrometry (TOF-SIMS) provides unique capabilities for elemental and molecular compositional analysis of a wide variety of surfaces. This relatively new technique is finding increasing applications in analyses concerned with determining the chemical composition of various polymer surfaces, identifying the composition of organic and inorganic residues on surfaces and the localization of molecular or structurally significant secondary ions signals from biological tissues. TOF-SIMS analyses are typically performed under low primary ion dose (static SIMS) conditions and hence the secondary ions formed often contain significant structural information.This paper will present an overview of current TOF-SIMS instrumentation with particular emphasis on the stigmatic imaging ion microscope developed in the authors’ laboratory. This discussion will be followed by a presentation of several useful applications of the technique for the characterization of polymer surfaces and biological tissues specimens. Particular attention in these applications will focus on how the analytical problem impacts the performance requirements of the mass spectrometer and vice-versa.


Sign in / Sign up

Export Citation Format

Share Document