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mass spectrometry

Monitoring of wine aging process by electrospray ionization mass spectrometry

Monitoring of wine aging process by electrospray ionization mass spectrometry

... ionization mass spectrometry (ESI-MS), without pre-treatment or chromatographic separation, in a process denominated fingerprinting, has been applied to several samples of wine produced with grapes of the ...

5

A mass spectrometry-based assay for improved quantitative measurements of efflux pump inhibition.

A mass spectrometry-based assay for improved quantitative measurements of efflux pump inhibition.

... Bacterial efflux pumps are active transport proteins responsible for resistance to selected biocides and antibiotics. It has been shown that production of efflux pumps is up-regulated in a number of highly pathogenic ...

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Quantification of acrylamide in foods selected by using gas chromatography tandem mass spectrometry

Quantification of acrylamide in foods selected by using gas chromatography tandem mass spectrometry

... QUANTIFICATION OF ACRYLAMIDE IN FOODS SELECTED BY USING GAS CHROMATOGRAPHY TANDEM MASS SPECTROMETRY. Veseli M.[r] ...

7

Chiral analysis by mass spectrometry using the kinetic method.

Chiral analysis by mass spectrometry using the kinetic method.

... BY MASS SPECTROMETRY USING THE KINETIC ...quantitative mass spectrometry methods for rapid and accurate enantiomeric excess determination are ...and mass spectrometry (MS) to ...

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Application of electron ionization mass spectrometry for mulungu alkaloid analysis.

Application of electron ionization mass spectrometry for mulungu alkaloid analysis.

... APPLICATION OF ELECTRON IONIZATION MASS SPECTROMETRY FOR MULUNGU ALKALOID ANALYSIS. Erythrina verna is a medicinal plant used to calm agitation popularly known as mulungu. We purchased the barks of E. verna ...

5

Matrix Assisted Laser DesorptionIonization and Time Flight mass spectrometry

Matrix Assisted Laser DesorptionIonization and Time Flight mass spectrometry

... Flight mass spectrometry (MALDI- TOF MS) is a powerful tool for the identification of bacteria through the detection and analysis of their proteins or fragments derived from ...in-depth mass ...

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Mass Spectrometry Analysis of Protonated Marine Natural Product Seriniquinone

Mass Spectrometry Analysis of Protonated Marine Natural Product Seriniquinone

... Seriniquinone is a natural quinone isolated from a rare marine bacterium of the genus Serinicoccus. This secondary metabolite has been shown to have anticancer properties, which has raised attention of the scientific ...

5

ISOTOPE DETERMINATION OF SULFUR BY MASS SPECTROMETRY IN SOIL SAMPLES

ISOTOPE DETERMINATION OF SULFUR BY MASS SPECTROMETRY IN SOIL SAMPLES

... a natural abundance of 95.00, 0.76, 4.22, and 0.014 in atom %, respectively. A method for isotopic determination of S by isotope-ratio mass spectrometry (IRMS) in soil samples is proposed. The procedure ...

7

MALDI-ToF mass spectrometry for the rapid diagnosis of cancerous lung nodules.

MALDI-ToF mass spectrometry for the rapid diagnosis of cancerous lung nodules.

... Mass spectrometry imaging strategies offer the advantage of conserving tissue but require sufficient surface area of tissue sections to obtain valuable ...

7

Fast Ephedrine Quantification by Gas Chromatography Mass Spectrometry

Fast Ephedrine Quantification by Gas Chromatography Mass Spectrometry

... chromatography mass spectrometry, mainly because of the dilute-and- shoot ...chromatographic mass spectrometry, without cleanup and based on Doehlert matrix optimization is ...

8

Ion mobility spectrometry–mass spectrometry (IMS–MS) for on- and offline
analysis of atmospheric gas and aerosol species

Ion mobility spectrometry–mass spectrometry (IMS–MS) for on- and offline analysis of atmospheric gas and aerosol species

... Ultra-high-resolution mass spectrometry (UHRMS; mass resolution > 50 000) techniques, such as FTICR-MS (Fourier transform ion cyclotron resonance mass spectrometry) or Orbitrap-type ...

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Pesticides residue determination in cattle plasma by gas chromatography-mass spectrometry.

Pesticides residue determination in cattle plasma by gas chromatography-mass spectrometry.

... PESTICIDES RESIDUE DETERMINATION IN CATTLE PLASMA BY GAS CHROMATOGRAPHY-MASS SPECTROMETRY. An analytical method for the isolation based on matrix solid-phase dispersion technique and gas chromatographic ...

4

Development of nanoinjector devices for electrospray ionization - tandem mass spectrometry (ESI-MSn)

Development of nanoinjector devices for electrospray ionization - tandem mass spectrometry (ESI-MSn)

... In mass spectrometric (MS) systems with electrospray ionization (ESI), the sample can be analyzed coupled to separation systems (such as liquid chromatography or capillary electrophoresis) or simply by direct ...

5

Potential diagnostic assay for cystinuria by capillary electrophoresis coupled to mass spectrometry

Potential diagnostic assay for cystinuria by capillary electrophoresis coupled to mass spectrometry

... ionization mass spectrometry (CE- ESI-MS) has rapidly developed as a powerful analytical tool for charged species analysis of small molecules such as carboxylic acids, phenols, metal species, tetramines, ...

7

Advances in quantitative hepcidin measurements by time-of-flight mass spectrometry.

Advances in quantitative hepcidin measurements by time-of-flight mass spectrometry.

... flight mass spectrometry (TOF MS), the most important of which concerned spiking of a synthetic hepcidin analogue as internal standard into serum and urine ...

7

Signal Partitioning Algorithm for Highly Efficient Gaussian Mixture Modeling in Mass Spectrometry.

Signal Partitioning Algorithm for Highly Efficient Gaussian Mixture Modeling in Mass Spectrometry.

... The high resolution MS dataset was generated in our team during characterization of head and neck cancer tissue proteome [26]. In the study a post-operative tissue sample was analyzed using MALDI Imaging Mass ...

19

A brief review of mass spectrometry in cultural heritage

A brief review of mass spectrometry in cultural heritage

... Fluorescence Spectrometry (XRF), Scanning Electron Microscopy (SEM), Optical Absorption Spectroscopy and Laser Ablation Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (LA-FTICR/MS), and ...

15

Compounds by Gas Chromatography-Mass Spectrometry

Compounds by Gas Chromatography-Mass Spectrometry

... quadrupole mass spectrometry detector (GC-qMS) on a Shimadzu equipment, model QP5050-A (Kyoto, Japan), using a DB-5 capillary column (60 m length, ...

8

Rapid identification of bovine mastitis pathogens by MALDI-TOF Mass Spectrometry

Rapid identification of bovine mastitis pathogens by MALDI-TOF Mass Spectrometry

... time-of-flight mass spectrometry (MALDI-TOF MS) has been shown to be an alternative method for identification of bacteria via their protein profile spectra, being able to identify bacteria at the genus, ...

9

A REVIEW ON MASS SPECTROMETRY DETECTORS

A REVIEW ON MASS SPECTROMETRY DETECTORS

... in mass spectrometry are divided into two categories first, in gas phase ionization, the analyst is deal with volatile substance and sample is vaporized outside the ionization ...

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