Results 161 to 170 of about 384,770 (213)

Coumaphos residues in Kosovar honey: Implications for food safety and public health. [PDF]

Open Vet J
Rama A, Hulaj B, Haziri I, Wallner K, Fritz B, Sinani A, Abdulazeez IO.   +6 more
europepmc   +1 more source

Ribosomal RNA tentacles are targets of free radical damage in mammalian cells during oxidative and inflammatory stress. [PDF]

RSC Chem Biol
Fleming AM, Dingman JC, Burrows CJ.
europepmc   +1 more source

The Road to the Full Sequencing of Natural Frogs' Peptides Relying Solely on Mass Spectrometry. [PDF]

Mass Spectrom (Tokyo)
Samgina TY, Lebedev AT.
europepmc   +1 more source

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An Improved GC-ECD Method for Measuring Atmospheric N2O

Journal of Environmental Sciences, 2013
Gas chromatography equipped with an electron capture detector (GC-ECD) has been widely used for measuring atmospheric N2O, but nonlinear response and the influence of atmospheric CO2 have been recognized as defects for quantification. An original GC-ECD method using N2 as carrier gas was improved by introducing a small flow rate of CO2 makeup gas into ...
Junfeng Liu, Yujing Mu
exaly   +4 more sources

Removal of sulfur interfering in the analysis of organochlorines by GC-ECD

The Analyst, 1999
Elemental sulfur is frequently formed by microbial activities in terrestrial and aquatic systems under anoxic conditions. This is indicated with high sensitivity by the electron capture detector (ECD) and can render determining higher boiling organochlorines by gas chromatography using an ECD impossible. Three methods for removing sulfur were compared:
V. Riis, W. Babel
openaire   +1 more source

Precise Measurement of Atmospheric Concentration of CH3Br by GC/ECD

Chemistry Letters, 1997
Abstract A precise measurement system of atmospheric CH3Br at background concentration level was developed for the survey of its spatial and temporal distribution by gas chromatographic separation with dual Porapak Q columns and detection with an electron capture detector.
Shigeto Sudo, Takeshi Tominaga, Yoshihiro Makide   +2 more
openaire   +1 more source

Identification and quantification of organochlorine pesticides by GC-ECD in environmental matrices

Global NEST International Conference on Environmental Science & Technology, 2023
An analytical method for the determination of organochlorine pesticides (OCPs) (α-HCH, β-HCH, γ-HCH (Lindane), δ-HCH, Aldrin, Dieldrin, Endrin, DDT, DDD, DDE, Heptachlor, Chlordane, Endosulfan I and Endosulfan II) in environmental samples (wastewater, soil) uses liquid phase extraction and gas chromatography with electron capture detector (GC-ECD ...
Victor Cojocaru, Ionut Cristea
openaire   +1 more source

Analysis of Anatoxin-a by GCIECD*

Journal of Analytical Toxicology, 1988
Anatoxin-a (ANTX-a), a potent cholinergic alkaloid produced by some toxigenic strains of the cyanobacterium Anabaena flos-aquae, has been responsible for death of livestock, pets, and wildlife. An increase in the frequency of cyanobacterial blooms in fresh waters of temperate North America has produced a concomitant increase in the threat posed by ...
D K, Stevens, R I, Krieger
openaire   +2 more sources