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  • Matrix-assisted laser desorption/ionization - Wikipedia

    The term matrix-assisted laser desorption ionization (MALDI) was coined in 1985 by Franz Hillenkamp, Michael Karas and their colleagues. These researchers found that the amino acid alanine could be ionized more easily if it was mixed with the amino acid tryptophan and irradiated with a …

    Laser desorption/ionization determination of molecular ...

    You have free access to this content Laser desorption/ionization determination of molecular weight distributions of polyaromatic carbonaceous compounds and their aggregates

    Matrix-assisted UV-laser desorption/ionization mass ...

    Matrix-assisted UV-laser desorption/ionization mass spectrometric analysis of monoclonal antibodies for the determination of carbohydrate, conjugated chelator, and conjugated drug content

    Matrix-Assisted Laser Desorption/Ionization - an overview ...

    Matrix-Assisted Laser Desorption/Ionization. Matrix-assisted laser desorption ionization (MALDI) is a “soft” ionization process that produces (quasi)molecular ions from large nonvolatile molecules, such as proteins, oligonucleotides, polysaccharides, and synthetic polymers.

    Matrix-assisted laser desorption/ionization ... - SpringerLink

    Abstract. A comatrix of anthranilic acid and nicotinic acid is optimum for the matrix-assisted laser desorption/ionization time of flight determination of oligodeoxynucleotides that are comprised of …

    Negative Ion Laser Desorption/Ionization Time-of-Flight ...

    Ultrathin graphitic carbon nitride (g-C 3 N 4) nanosheets served as a novel matrix for the detection of small molecules by negative ion matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) was described for the first time.

    Matrix assisted laser desorption/ionization time-of-flight ...

    Abstract. A method is described for the matrix assisted laser desorption/ionization time-of-flight (MALDI-TOF)-based determination of benzo[a]pyrene (BaP) by …

    A Novel Derivatization Reagent in the Determination of the ...

    19.07.2013· INTRODUCTION. Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) is a powerful tool that can be utilized for the analysis of synthetic polymers. 1–5) However, MALDI mass spectra only provide information pertaining to molecular-weight, such as protonated, deprotonated or cationized molecules.

    Development of C60-based labeling reagents for the ...

    Quantification of low molecular weight compounds (<800 Da) using matrix assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI MS) is challenging due to the matrix signal interference at low m/z region and poor reproducibility of MS responses.

    Matrix-assisted Laser Desorption/Ionization Mass ...

    Matrix-assisted Laser Desorption/Ionization Mass Spectrometry in Peptide and Protein Analysis J. Kathleen Lewis, Jing Wei, and Gary Siuzdak in Encyclopedia of Analytical Chemistry

    Laser desorption/ionization determination of molecular ...

    Laser desorption/ionization determination of molecular weight distributions of polyaromatic carbonaceous compounds and their aggregates

    Matrix-assisted Laser Desorption/Ionization Time of …

    Accurate mass determination allows one to evaluate the correctness ... biochemistry, Analysis of intact proteins, mass spectrometry, matrix-assisted laser desorption ionization, time of flight, sample preparation. Download video file. (22M, mp4) Introduction. Structural biology relies on the production of high quality proteins 1 and therefore needs to be coupled with efficient and reliable ...

    Matrix-Assisted Laser Desorption/Ionization (MALDI)

    1 Introduction MALDI, or Matrix-Assisted Laser Desorption/Ionization, is an analytical technique used for soft ionization (ionization without fragmentation) of particles for use in mass spec-

    Matrix-Assisted Laser Desorption/Ionization ...

    Harvey DJ, Naven TJP, Küster B, Bateman R, Green MR, Critchley G (1995) Comparison of Fragmentation Modes for the Structural Determination of Complex Oligosaccharides Ionized by Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry.

    Peptidylation for the determination of low-molecular ...

    Determination of low-molecular-weight compounds by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) has been a …

    Matrix-Assisted Laser Desorption/Ionization TOF: …

    Matrix-assisted laser desorption/ionization (MALDI) mass spectrometry (MS) can be used for such determination and its key advantage is the tolerance to salts, detergents and contaminants. Here we illustrate an accessible approach for the analysis of proteins larger than 100 kDa by MALDI-MS.

    Matrix-assisted laser desorption-ionization Time of …

    MALDI (Matrix Assisted Laser Desorption Ionization) is useful for samples such as biomolecules (proteins, sugars, peptides) and large organic molecules (polymers, dendrimers). MALDI mass spectrometry applications include molecular weight determination, molecular weight distribution, proteomics, pharmaceuticals and more.

    MALDI – Matrix-Assisted Laser Desorption/Ionization

    Home > Services > Mass Spectrometry > MALDI – Matrix-Assisted Laser Desorption/Ionization For researchers who anticipate running many samples, there is an open access program in which users run their own samples.

    Matrix-assisted laser desorption/ionization mass ...

    The paper reported a matrix-assisted laser desorption/ionization (MALDI) mass spectrometric (MS) protocol for determination of herbicides, improving the analytical sample preparation step, making a significant contribution to the reproducibility and precision of the method.

    Adjustment of Matrix-Assisted Laser Desorption/Ionization ...

    Matrix-Assisted Laser Desorption/ Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF MS) is one of the indispensable tools for the rapid structural characterization

    Laser desorption/ionization determination of molecular ...

    Laser desorption/ionization determination of molecular weight distributions of polyaromatic carbonaceous compounds and their aggregates

    Application of matrix-assisted laser desorption/ionization ...

    Determination of metformin in mouse, rat, dog and human plasma samples by laser diode thermal desorption/atmospheric pressure chemical ionization tandem mass spectrometry. J. Pharm.

    "Matrix-assisted laser desorption/ionization" on …

    The term matrix-assisted laser desorption ionization (MALDI) was coined in 1985 by Franz Hillenkamp, Michael Karas and their colleagues. [3] These researchers found that the amino acid alanine could be ionized more easily if it was mixed with the amino acid tryptophan and irradiated with a pulsed 266 nm laser.

    Matrix design for matrix-assisted laser desorption ...

    Matrix-assisted laser desorption/ionization (MALDI)-time-of-flight (TOF) mass spectrometry allowed direct determination of the extent of macrocycle formation that occurred during the ...

    Matrix Assisted Laser Desorption Ionization (MALDI)

    Matrix Assisted Laser Desorption Ionization (MALDI) Matrix assisted laser desorption ionization mass spectrometry is carried out on an AppliedBiosystems Voyager DE-STR instrument equipped with delayed extraction and reflector.

    Chapter 20 SOFT LASER DESORPTION IONIZATION - MALDI, …

    Chapter 20 SOFT LASER DESORPTION IONIZATION - MALDI, DIOS AND NANOSTRUCTURES Akos Veites Department of Chemistry, Institute for Proteomics Technology and Applications, The George

    Ongoing Revolution in Bacteriology: Routine Identification ...

    Matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF) mass spectrometry accurately identifies both selected bacteria and bacteria in select clinical situations. It has not been evaluated for routine use in the clinic.

    Determination of isotopic distribution of lead by a matrix ...

    In this work it has been shown that both the laser desorption/ionization mass spectro­metry (LDI MS) and the matrix assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI TOF MS) are the simple and quick methods for determination of relative natural isotopic distribution of lead.

    Matrix-Assisted Laser Desorption Ionization (MALDI)

    Matrix-Assisted Laser Desorption Ionization (MALDI) Matrix-assisted laser desorption ionization was introduced in 1985 and is also a soft ionization technique enabling analysis of compounds that would easily fragment using alternative modes of ionization (e.g. …

    Laser desorption/ionization determination of molecular ...

    Read "Laser desorption/ionization determination of molecular weight distributions of polyaromatic carbonaceous compounds and their aggregates, Journal of Mass Spectrometry (Incorp Biological Mass Spectrometry)" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

 

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