Nano Lc-ms Analysis
Nano Lc-ms Analysis - Related Videos
11:17
Comparative Analysis of Human Growth Hormone in Serum Using SPRi, Nano-SPRi and ELISA Assays
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Cited by 9 •
2016
The proposed work assesses the diagnostic potential of direct and amplified surface plasmon resonance imaging (SPRi) assays, particularly for the detection of recombinant human growth hormone in spiked human serum, by comparing SPRi results directly with commercially available enzyme-linked immunosorbent assay (ELISA) kit.
10:27
Fabrication of Nano-engineered Transparent Conducting Oxides by Pulsed Laser Deposition
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Cited by 15 •
2013
We describe the experimental method to deposit nanostructured oxide thin films by nanosecond Pulsed Laser Deposition (PLD) in the presence of a background gas. By using this method Al-doped ZnO (AZO) films, from compact to hierarchically structured as nano-tree forests, can be deposited.
06:52
Nanocrystalline Alloys and Nano-grain Size Stability
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2023
Source: Sina Shahbazmohamadi and Peiman Shahbeigi-Roodposhti-Roodposhti, School of Engineering, University of Connecticut, Storrs, CT Alloys with grain size less than 100 nm are known as nanocrystaline alloys. Due to their enhanced physical and mechanical properties, there is an ever-increasing demand to employ them in various industries such as semiconductor, biosensors and aerospace. To improve the processing and application of nanocrystalline alloys, it is necessary to develop close to 100%...
11:10
Fabrication and Operation of a Nano-Optical Conveyor Belt
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2015
The scalability and resolution of conventional optical manipulation techniques are limited by diffraction. We circumvent the diffraction limit and describe a method of optically transporting nanoparticles across a chip using a gold surface patterned with a path of closely spaced C-shaped plasmonic resonators.
10:34
Ligand Nano-cluster Arrays in a Supported Lipid Bilayer
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Cited by 3 •
2017
We present a protocol to functionalize glass with nanometric protein patches surrounded by a fluid lipid bilayer. These substrates are compatible with advanced optical microscopy and are expected to serve as platform for cell adhesion and migration studies.
FAQs
The narrow column and very low solvent flow concentrate the analytical separation within a small sample stream. This supports detection of compounds present in limited biological material, while the chromatographic separation helps resolve constituents in complex mixtures before mass measurement. Its value is therefore tied to sensitivity and resolving power.
Electrospray ionization converts compounds emerging from the chromatographic stage into ions that the mass spectrometer can measure. The instrument then distinguishes those ions by their mass-to-charge ratios, creating measurements that support compound identification and quantification. This sequence is important when medical samples contain multiple proteins, peptides, metabolites, or drug-related compounds.
Tandem mass spectrometry adds structural information beyond the initial mass-to-charge measurement. After ions are measured, the additional mass-spectrometric stage can help investigate their composition or structure. In medical research, this added information is relevant when scientists need more than detection or quantification of proteins, peptides, metabolites, or drug-related compounds.
High resolving power helps distinguish chemical constituents within complex biological samples, where proteins, peptides, metabolites, and drug-related compounds may be measured together. Combined with high sensitivity, it allows Nano LC-MS analysis to examine limited sample material while retaining information useful for identification, quantification, and investigation of disease-related chemistry.
The workflow begins with nanoscale liquid chromatographic separation using very low solvent flow through a narrow column. Compounds then undergo ionization, commonly by electrospray ionization, before entering the mass spectrometer. The instrument measures ions according to their mass-to-charge ratios, and tandem analysis can provide additional structural information when required.
Medical researchers apply this approach to clinical proteomics, biomarker research, pharmacology, and investigations of disease mechanisms. It is well suited to studies involving limited biological samples and chemically complex mixtures. Depending on the experiment, the analysis can examine proteins, peptides, metabolites, or drug-related compounds and support sensitive identification or quantification.