6 Essential Applications of Leaf Spectrometers - CID Bio-Science
Leaf spectrometers collect and analyze reflected, transmitted, or absorbed light to provide vital plant information. The parameters measured are chemical concentrations, color analysis, photochemical reactions, optical and physical properties …
Leaf Spray: Direct Chemical Analysis of Plant Material and Living ...
2011年9月14日 · Leaf spray mass spectrometry allows in vivo analysis of plants and characterization of plant materials. Chemicals are directly ionized from a wide range of plant tissues with minimum sample treatment, and the measurement itself minimally perturbs the intrinsic levels of phytochemicals.
In-situ elemental quantitative imaging in plant leaves by LA-ICP …
2023年9月22日 · Inductively coupled plasma mass spectrometry (ICP-MS) merits high sensitivity in the quantification of multiple elements with high sample throughput. With laser ablation (LA) as the sample introduction system, elemental images can be achieved directly for solid samples, without complex sample processing [ 10 ].
LC–MS/MS and GC–MS profiling as well as the antimicrobial
2020年10月20日 · GC–MS analysis offers influence measurements of reproducibility, dynamic range, and universal mass spectral library for compounds with small molecular weight 6, 7. On the other hand, LC–MS covers...
Characterizing leaf-deposited particles: Single-particle mass …
2024年9月1日 · The bipolar mass spectra of a single particle are detected using a dual-polarity, time-of-flight mass spectrometer, and positive- and negative-ion spectra are acquired. In this study, a high-power Nd:YAG laser was used in the spectrometer.
Leaf Spray Mass Spectrometry: A Rapid Ambient Ionization …
Mass spectrometry (MS) is a powerful technique for analyzing plant metabolites because it provides molecular weights with high sensitivity and specificity. Leaf spray MS is an ambient ionization technique where plant tissue is used for direct chemical analysis via electrospray, eliminating chromatography from the process.
Combining Gas Exchange and Rapid Quenching of Leaf Tissue for Mass …
2024年6月12日 · By collecting samples at multiple time points during the labeling period, researchers can measure the labeling kinetics of different metabolic intermediates using mass spectrometry and use this information to estimate metabolic fluxes through the network.
Quantitative analysis of plant leaf elements using the LA-ICP …
2019年1月1日 · The use of Laser Ablation coupled to Mass Spectrometry is a promising technique for analysis of plant tissue elements because it has advantages over conventional digestion techniques such as reduced levels of contamination and sample preparation time, possibility of spatial distribution analysis of elements, high number of repetitions, among ...
Combining Gas Exchange and Rapid Quenching of Leaf Tissue for Mass …
2024年6月12日 · When the CO 2 /O 2 mole fraction ratio changes, instant sampling is critical, to quench leaf metabolism and thus trace rapid metabolic modification due to gaseous conditions. To do so, we combine 13 CO 2 labeling and gas exchange, using a large custom leaf chamber to facilitate fast sampling by direct liquid nitrogen spraying.
Microanalytical Shared Facility – A Michigan Tech Shared Facility ...
The Microanalytical Facility (MAF) is a shared facility of Michigan Technological University (MTU) and is composed of the Chemical Advanced Resolution Methods (ChARM) Laboratory, the Laboratory for Environmental Analysis of Forests (LEAF), and the AQUatic Analysis Laboratory.