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[PDF] Top 20 Gas Chromatography-mass Spectrometry (GC-MS) analysis of alkaloids isolated from Epipremnum aureum (Linden and Andre) Bunting

Has 5151 "Gas Chromatography-mass Spectrometry (GC-MS) analysis of alkaloids isolated from Epipremnum aureum (Linden and Andre) Bunting" found on our website. Below are the top 20 most common "Gas Chromatography-mass Spectrometry (GC-MS) analysis of alkaloids isolated from Epipremnum aureum (Linden and Andre) Bunting".

Gas Chromatography-mass Spectrometry (GC-MS) analysis of alkaloids isolated from Epipremnum aureum (Linden and Andre) Bunting

Gas Chromatography-mass Spectrometry (GC-MS) analysis of alkaloids isolated from Epipremnum aureum (Linden and Andre) Bunting

... Recent advances in the use of GC coupled to MS have allowed a chemically guided isolation of uncommon and bioactive alkaloids. The present study was aimed to focus on the extraction and screening of alkaloids from ... See full document

6

Compounds by Gas Chromatography-Mass Spectrometry

Compounds by Gas Chromatography-Mass Spectrometry

... and mass of the ...by gas chromatography coupled to mass ...the mass yield and all the variables studied in the sonication process were significant (p < ... See full document

8

Quím. Nova  vol.30 número8

Quím. Nova vol.30 número8

... The presence of illicit drugs such as cocaine and marijuana in US paper currency is very well demonstrated. However, there is no published study describing the presence of cocaine and/or other illicit drugs in Brazilian ... See full document

2

J. Braz. Chem. Soc.  vol.27 número3

J. Braz. Chem. Soc. vol.27 número3

... resolution mass spectrometry (HRMS) using atmospheric pressure chemical ionization (HRAPCIMS) was performed on a liquid chromatography-mass spectrometry ion trap and time-of-flight ... See full document

5

J. Braz. Chem. Soc.  vol.21 número6

J. Braz. Chem. Soc. vol.21 número6

... using gas chromatography coupled with mass spectrometry (GC-MS), operating in the negative chemical ionization mode (NCI) was developed and ... See full document

6

J. Braz. Chem. Soc.  vol.11 número5

J. Braz. Chem. Soc. vol.11 número5

... tor) and HRGC-MS (high resolution gas chromatography - mass spectrometry). The HRGC-FID quantitative analyses were performed with an internal standard method for quantification of lupanine, ... See full document

7

Gas chromatography-mass spectrometry analysis

Gas chromatography-mass spectrometry analysis

... The methanol extract of Pseudomonas sp JJTBVK was used in different concentrations (25, 50, 75 and 100 mg/mL) in comparison with the standard drug to study the in vitro[r] ... See full document

8

A method for analysis of vanillic acid in polar ice cores

A method for analysis of vanillic acid in polar ice cores

... and gas chromatographymass spectrometry (GC-MS), similar to techniques used for the analysis of biomass burning aerosols (Nolte et ...liquid chromatography with electro- spray ... See full document

6

J. Braz. Chem. Soc.  vol.25 número1

J. Braz. Chem. Soc. vol.25 número1

... The composition and antimicrobial activity of essential oils obtained from agarwood originating from Aquilaria sinensis (Lour.) Gilg induced by a biological agent of agarwood, Lasiodiplodia theobromae (F), were ... See full document

8

J. Braz. Chem. Soc.  vol.14 número3

J. Braz. Chem. Soc. vol.14 número3

... resolution gas chromatography-olfactometry-mass spectrometry and aroma extract dilution analysis identified the most potent substances in its aroma as ethyl butanoate (fruity, sweet), ethyl ... See full document

4

Determination of polycyclic aromatic hydrocarbons in soil by gas chromatography-mass spectrometry

Determination of polycyclic aromatic hydrocarbons in soil by gas chromatography-mass spectrometry

... [r] ... See full document

11

Determination of plasticizers in drinking water using gas chromatography and mass spectrometry.

Determination of plasticizers in drinking water using gas chromatography and mass spectrometry.

... DETERMINATION OF PLASTICIZERS IN DRINKING WATER USING GAS CHROMATOGRAPHY AND MASS SPECTROMETRY. This study investigated the levels of plasticizer endocrine disruptors (diethyl phthalate, ... See full document

8

J. Braz. Chem. Soc.  vol.12 número4

J. Braz. Chem. Soc. vol.12 número4

... The occurrence of the endocrine disruptor compounds, such as 4-nonylphenol isomers and bisphenol A was determined in surface water samples from Portugal. The analytical method used involved the preconcentration of 200 mL ... See full document

6

J. Braz. Chem. Soc.  vol.20 número3

J. Braz. Chem. Soc. vol.20 número3

... by gas chromatographymass spectrometry (GC-MS) analysis of the products from the limonene (1-methyl-4-prop-1- en-2-yl-cyclohexene) disproportionation obtained from the catalytic hydrogenation ... See full document

5

J. Braz. Chem. Soc.  vol.28 número5

J. Braz. Chem. Soc. vol.28 número5

... others. Mass spectrometry (MS) studies based on capillary gas chromatography (CGC), paper spray (PS), and leaf spray (LS) ionization were carried out for alkaloid investigation of the native ... See full document

12

The role of miniaturized systems in analytical toxicology: new psychoactive substances

The role of miniaturized systems in analytical toxicology: new psychoactive substances

... using gas chromatography (GC) coupled to either mass spectrom- etry (MS) [2,18,24,30,31], tandem mass spectrometry (MS/MS) [11,12]or flame ionization detector (FID) [32]; or liquid ... See full document

157

J. Braz. Chem. Soc.  vol.22 número11

J. Braz. Chem. Soc. vol.22 número11

... two-dimensional gas chromatography coupled to time of flight mass spectrometry (GC × GC-TOFMS) was applied to evaluate the CO 2 effect on distribution of n-alkanes, branched alkanes, alkenes ... See full document

6

Rev. bras. farmacogn.  vol.25 número5

Rev. bras. farmacogn. vol.25 número5

... The oil from seeds of Dipteryx alata Vogel, Fabaceae, popularly known as baru, was extracted by hydraulic and continuous screw pressing. A total of eleven chemical constituents obtained by hydraulic press- ing, including ... See full document

4

Estimation of D-Arabinose by Gas Chromatography/Mass Spectrometry as Surrogate for Mycobacterial Lipoarabinomannan in Human Urine.

Estimation of D-Arabinose by Gas Chromatography/Mass Spectrometry as Surrogate for Mycobacterial Lipoarabinomannan in Human Urine.

... Globally, tuberculosis is slowly declining each year and it is estimated that 37 million lives were saved between 2000 and 2013 through effective diagnosis and treatment. Currently, diagnosis relies on demonstration of ... See full document

17

Development and validation of a methodology FOR analysis of biodiesel: diesel blends using gas chromatography-mass spectrometry.

Development and validation of a methodology FOR analysis of biodiesel: diesel blends using gas chromatography-mass spectrometry.

... Dentre as ferramentas analíticas disponíveis para identificação e quantificação de compostos em misturas, pode-se destacar a Cromatografia Gasosa de Alta Resolução acoplada à Espectrometria de Massas (CGAR-EM), a ... See full document

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