HPLC/MS and GC/MS
“Antiacetylcholinesterase and Cytotoxic Activities of Egyptian Propolis with Correlation to its GC/MS and HPLC Analysis” by Faten K. Abd El-Hady, Ahmed M.A. Souleman, Zeinab A. El-Shahid, Egypt.
... effects. GC/MS analyses of propolis samples, revealed the identification of 74 ...In HPLC analyses; chrysin-7-methylether, Chrysin, quercetin-3,7-dimethylether, pinocembrin, genistein and ...
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“Antioxidant Effect and Phytochemical Analysis of Chloroform Extract of Cassis fistula using FT-IR, HPLC and GC-MS Analysis” by J. Sujatha, S. Asokan, S. Rajeshkumar, India.
... . These drugs may cause negative health impact 14 . To overcome this problem plants are utilized in therapeutic applications. Plants are having natural antioxidants like phytochemicals such as phenols, flavonoids etc ...
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Determining the degradation efficiency and mechanisms of ethyl violet using HPLC-PDA-ESI-MS and GC-MS
... This study selected zinc foil obtained from waste Alkaline-manganese Dioxide-zinc cells as the substrate for the generation of ZnO nanostructures because the lattice matching between ZnO and Zn crystals facilitates the ...
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GC MS ANALYSIS OF PHYTOCONSTITUENTS AND CONCURRENT DETERMINATION OF FLAVONOIDS BY HPLC IN ETHANOLIC LEAF EXTRACT OF BLEPHARIS MADERASPATENSIS (L) B HEYNE EX ROTH
... using GC-MS and a sensitive HPLC method has been developed for the concurrent determination of five major flavonoids in ethanolic leaves extract of Blepharis ...to GC-MS and ...
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Gamma Radiolytic Degradation of 4-CP: Determination of Degraded Products with HPLC and GC-MS
... Contamination by chlorophenols of surface water and groundwater is an emerging issue in environmental science and engineering. After their usage as pesticide, herbicide and disinfectant, these organic compounds ...
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The determination of phenolic compounds in garlic extracts by HPLC GC/MS technique
... Being popular as spices, garlic was used as a treatment agent since ancient times. Its popularity was caused by a wide range of diseases and disorders it could treat. Methanol extracts and methanol extracts after ...
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STUDIES ON PHYTOCHEMICAL AND VITAMIN ANALYSIS OF PLEUROTUS PLATYPUS AND PLEUROTUS OEUS BY GC MS AND HPLC TECHNIQUE
... to GC-MS study for identification of medicinal properties, According to the results, the Phytocomponents are screened, and most of the medicinal properties are Pyridine-3- carboxamide, ...
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GC-MS and LC-MS Analysis of Ethanolic Extract of Drypetes sepiaria
... HPLC was performed using Waters LC system. The mobile phase was composed of solvent A: water + 0.1 % of formic acid, solvent B: Acetonitrile + 0.1 % of formic acid. The flow rate was 0.1 ml. The elution was ...
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Pharmacological potential of Bidens pilosa L and determination of bioactive compounds using UHPLC QqQLIT MS/MS and GC/MS
... 2,2- Azinobis-3-ethylbenzothiazoline-6-sulphonic acid disodium salt (ABTS), 2,2-diphenyl-1-picrylhydrazyl (DPPH), Dimethyl Sulphoxide, Sodium acetate trihydrate ACS, Ferric chloride hexahydrate A.R., Ferrous sulphate ...
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“Honey Protects Human Low Density Lipoprotein (LDL) from Peroxidation (In –vitro study)” by Faten K. Abd El-Hady, Kamel H. Shaker, Egypt.
... The antioxidant activity of Thyme and the multifloral honey (MF) were evaluated with low density lipoprotein (LDL) peroxidation assay, in different concentrations (100 - 0.1 mg honey/1 ml). The very interesting result ...
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Simultaneous untargeted and targeted metabolomics profiling of underivatized primary metabolites in sulfur-deficient barley by ultra-high performance liquid chromatography-quadrupole/time-of-flight mass spectrometry
... phy; HPLC–MS: high performance liquid chromatography–mass spectrometry; EI: electronic impact; UPLC–HRMS: ultra‑high performance liquid chromatog‑ raphy–high resolution mass spectrometry; LC–HRMS: liquid ...
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... as HPLC, LC- MS, GC-MS etc… Once their entrance into environment long chain ethoxylated derivatives of nonylphenol are degraded naturally or in wastewater treatment plants into shorten chain ...
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Discovery of novel lignin oxidizing enzymes from Sphingobacterium sp T2
... MnSOD1 and MnSOD2 from Sphingobacterium sp. T2 (SpMnSODs) exhibit time-dependent lignin-oxidising ability, they can depolymerise wheat straw organosolv lignin, modify Kraft lignin, and lignocellulose materials (pine and ...
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ELISA for free S equol in human urine
... Previously, an ELISA technique for the estimation of equol was developed, employing an equol hapten with spacer arm on the oxygen atom at the C7 position (Bennetau-Pelissero et al. 2000). This method was calibrated with ...
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Comparison of GC/time-of-flight MS with GC/quadrupole MS for halocarbon trace gas analysis
... TOF MS. LOD of the TOF MS are lower by factors of up to 3 (Table 5) in com- parison to the QP MS with operational SIM mode settings used for routine ...TOF MS is similar to the QP MS. ...
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Gc-ms analysis of bioactive constituents of magnolia nilagirica (zenkar) figlar. (magnoliaceae)an endemic medicinal plant to the western ghats, India
... The sample was extracted with ethyl acetate because majority of the secondary metabolites were present in this solvent and antibacterial activity was higher in this solvent. GC-MS analysis also provides the ...
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The Schistosoma mansoni lipidome: Leads for immunomodulation
... employing GC-ECNI-MS and LC-MS/MS (QTrap) analysis, lipids were identi fi ed by comparing relative retention times (RRT) and either molecular ions [M]- monitored in selected ion monitoring mode ...
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GC MS/MS ANALYSIS OF MUNTINGIA CALABURA L FRUIT, ANTIMICROBIAL ACTIVITY
... Fresh Muntingia calabura fruit collected was shade dried, and powdered. 25grams of powdered fruit sample was used for ethanol extraction. The extracted sample was assessed for its phytochemical analysis through ...
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GC MS/MS ANALYSIS OF PHYTOCHEMICALS IN MUNTINGIA CALABURA L, ANTIMICROBIAL ASSAY
... GC-MS/MS was performed on a Scion 436-GC Bruker carrying Triple quadruple mass spectrophotometer with fused silica capillary column BR-5MS (5% Diphenyl95% Dimethyl poly siloxane), 30m x 0.25mm ...
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Dierich, Olaf (2007): Speichel als alternatives Untersuchungsmaterial zur Drogenanalytik mittels Immunoassay: Ein Vergleich zu verschiedenen Nachweisverfahren im Urin in drogentherapeutischen Einrichtungen. Dissertation, LMU München: Medizinische Fakultät
... Speichel-THC-Werte fest. Er hält zudem eine Wiederaufnahme von THC von der Mundflüssigkeit in die stark perfundierte Mukosa für möglich [Niedbala 2001]. Eine mögliche Ursache, dass so viele falsch positive Ergebnisse in ...
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