35548

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Showing 1-21 of 21 results for "35548" within Papers

Dispersive Liquid-Liquid Microextraction Based Preconcentration of Selected Pesticides and Escitalopram Oxalate, Haloperidol, and Olanzapine from Wastewater Samples Prior to Determination by GC-MS.

Gamze Dalgıç Bozyiğit et al.

Journal of AOAC International, 104(1), 91-97 (2021-03-23)

Determination of emerging pollutants including pharmaceuticals, pesticides, industrial chemicals and hormones in different environmental samples is very important for human health. Experimental design enabled parameters to be evaluated for their effects onextraction output as well as their interactive effects. A

Development of a sensitive and accurate method for the simultaneous determination of selected insecticides and herbicide in tap water and wastewater samples using vortex-assisted switchable solvent-based liquid-phase microextraction prior to determination by gas chromatography-mass spectrometry.

Gamze Dalgıç Bozyiğit et al.

Environmental monitoring and assessment, 192(5), 275-275 (2020-04-10)

In this study, a switchable solvent-based liquid-phase microextraction method was developed to preconcentrate selected pesticides from tap water and wastewater matrices for determination by gas chromatography-mass spectrometry. A thorough optimization process was performed for prominent extraction parameters such as switchable

Inhibitory Effective Perturbations of Cilobradine (DK-AH269), A Blocker of HCN Channels, on the Amplitude and Gating of Both Hyperpolarization-Activated Cation and Delayed-Rectifier Potassium Currents.

Te-Ling Lu et al.

International journal of molecular sciences, 21(7) (2020-04-05)

Cilobradine (CIL, DK-AH269), an inhibitor of hyperpolarization-activated cation current (Ih), has been observed to possess pro-arrhythmic properties. Whether and how CIL is capable of perturbing different types of membrane ionic currents existing in electrically excitable cells, however, is incompletely understood.

Desorption of tefluthrin insecticide from soil in simulated rainfall runoff systems?Kinetic studies and modelling

Zhou.LJ, et al.

Water Research, 31(1), 75- 84 (1997)

Effectiveness in the inhibition of dapagliflozin and canagliflozin on M-type K+ current and α-methylglucoside-induced current in pituitary tumor (GH3) and pheochromocytoma PC12 cells.

Edmund Cheung So et al.

European journal of pharmacology, 879, 173141-173141 (2020-05-01)

Dapagliflozin (DAPA) or canagliflozin (CANA), Na+-dependent glucose co-transporter type 2 (SGLT2) inhibitors, were used for treatment of type II diabetes mellitus. Addition of DAPA or CANA suppressed M-type K+ current (IK(M)) in pituitary tumor (GH3) and pheochromocytoma PC12 cells. The IC50

The Specific Effects of OD-1, a Peptide Activator, on Voltage-Gated Sodium Current and Seizure Susceptibility.

Ming-Chi Lai et al.

International journal of molecular sciences, 21(21) (2020-11-08)

OD-1, a scorpion toxin, has been previously recognized as an activator of voltage-gated Na+ currents. To what extent this agent can alter hippocampal neuronal Na+ currents and network excitability and how it can be applied to neuronal hyperexcitability research remains

Underlying mechanism of actions of tefluthrin, a pyrethroid insecticide, on voltage-gated ion currents and on action currents in pituitary tumor (GH 3) cells and GnRH-secreting (GT1-7) neurons

Wu N-S, et al.

Toxicology, 258(1), 70-77 (2009)

Effectiveness of nalbuphine, a κ-opioid receptor agonist and μ-opioid receptor antagonist, in the inhibition of INa , IK(M) , and IK(erg) unlinked to interaction with opioid receptors.

Yuan-Yuarn Liu et al.

Drug development research, 80(6), 846-856 (2019-07-14)

Nalbuphine (NAL) is recognized as a mixer with the κ-opioid receptor agonist and the μ-opioid receptor antagonist. However, whether this drug causes any modifications in neuronal ionic currents is unclear. The effects of NAL on ionic currents in mHippoE-14 hippocampal

Simultaneous determination of pyrethroids and pyrethrins by dispersive liquid-liquid microextraction and liquid chromatography triple quadrupole mass spectrometry in environmental samples.

Alexander Ccanccapa-Cartagena et al.

Analytical and bioanalytical chemistry, 409(20), 4787-4799 (2017-06-11)

A simple and environmentally friendly dispersive liquid-liquid microextraction (DLLME) method coupled with electrospray ionization liquid chromatography triple quadrupole mass spectrometry (LC-QqQ-MS/MS) was developed for the simultaneous determination of 17 synthetic and natural pyrethroids. A comparison of solid-phase extraction (SPE) versus

A simultaneous extraction method for organophosphate, pyrethroid, and neonicotinoid insecticides in aqueous samples.

Chloé de Perre et al.

Archives of environmental contamination and toxicology, 68(4), 745-756 (2015-01-23)

A method was developed for the extraction and analysis of 2 organophosphate, 8 pyrethroid, and 5 neonicotinoid insecticides from the same water sample. A salted liquid-liquid extraction (LLE) was optimized with a solid-phase extraction (SPE) step that separated the organophosphates

Stimulatory Action of Telmisartan, an Antagonist of Angiotensin II Receptor, on Voltage-Gated Na⁺ Current: Experimental and Theoretical Studies.

Tzu-Tung Chang et al.

The Chinese journal of physiology, 61(1), 1-13 (2018-01-30)

Telmisartan (Tel) is recognized as a non-peptide blocker of AT1R. Whether this agent has any direct effects on ion currents remains unexplored. In whole-cell current recordings, addition of Tel increased the peak amplitude of voltage-gated Na⁺ (NaV) current (INa) accompanied

Novel Liquid Chromatography-Tandem Mass Spectrometry Method for Enantioseparation of Tefluthrin via a Box-Behnken Design and Its Stereoselective Degradation in Soil.

Yong Wen et al.

Journal of agricultural and food chemistry, 67(42), 11591-11597 (2019-09-27)

A simple and eco-friendly dispersive solid-phase extraction method coupled with ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) was developed for the determination of the chiral pesticide tefluthrin in food and environmental samples. The response surface methodology was applied to optimize

A mixed-methods study of pesticide exposures in Breastmilk and Community & Lactating Women's perspectives from Haryana, India.

Rukshan V Mehta et al.

BMC public health, 20(1), 1877-1877 (2020-12-09)

Population growth which has resulted in a need for increased crop yields to sustain food security, in addition to the effects of climate change, have led to the widespread use of chemical pesticides. The indiscriminate use of pesticides has in

An outwardly rectifying anionic background current in atrial myocytes from the human heart.

H Li et al.

Biochemical and biophysical research communications, 359(3), 765-770 (2007-06-15)

This report describes a hitherto unreported anionic background current from human atrial cardiomyocytes. Under whole-cell patch-clamp with anion-selective conditions, an outwardly rectifying anion current (I(ANION)) was observed, which was larger with iodide than nitrate, and with nitrate than chloride as

Problems and solutions of polyethylene glycol co-injection method in multiresidue pesticide analysis by gas chromatography-mass spectrometry: evaluation of instability phenomenon in type II pyrethroids and its suppression by novel analyte protectants.

Kazuhiko Akutsu et al.

Analytical and bioanalytical chemistry, 410(13), 3145-3160 (2018-03-21)

Polyethylene glycol 300 is commonly used as a base material for "analyte protection" in multiresidue pesticide analysis via gas chromatography-mass spectrometry. However, the disadvantage of the co-injection method using polyethylene glycol 300 is that it causes peak instability in α-cyano

Comparative Susceptibility of Western Corn Rootworm (Coleoptera: Chrysomelidae) Neonates to Selected Insecticides and Bt Proteins in the Presence and Absence of Feeding Stimulants.

Adriano E Pereira et al.

Journal of economic entomology, 112(2), 842-851 (2019-01-23)

The susceptibility of western corn rootworm, Diabrotica virgifera virgifera LeConte, larvae to nine insecticides from five different classes and to Bt proteins eCry3.1Ab and mCry3A in the presence or absence of feeding stimulants, was estimated in filter paper and diet

Multiple Actions of Rotenone, an Inhibitor of Mitochondrial Respiratory Chain, on Ionic Currents and Miniature End-Plate Potential in Mouse Hippocampal (mHippoE-14) Neurons.

Chin-Wei Huang et al.

Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology, 47(1), 330-343 (2018-05-17)

Rotenone (Rot) is known to suppress the activity of complex I in the mitochondrial chain reaction; however, whether this compound has effects on ion currents in neurons remains largely unexplored. With the aid of patch-clamp technology and simulation modeling, the

Understanding the Impact of Cultivar, Seed Origin, and Substrate on Bacterial Diversity of the Sugar Beet Rhizosphere and Suppression of Soil-Borne Pathogens.

Adrian Wolfgang et al.

Frontiers in plant science, 11, 560869-560869 (2020-10-27)

The rhizosphere microbiome is crucial for plant health, especially for preventing roots from being infected by soil-borne pathogens. Microbiota-mediated pathogen response in the soil-root interface may hold the key for microbiome-based control strategies of phytopathogens. We studied the pathosystem sugar

Telmisartan, an Antagonist of Angiotensin II Receptors, Accentuates Voltage-Gated Na+ Currents and Hippocampal Neuronal Excitability.

Ming-Chi Lai et al.

Frontiers in neuroscience, 14, 902-902 (2020-10-06)

Telmisartan (TEL), a non-peptide blocker of the angiotensin II type 1 receptor, is a widely used antihypertensive agent. Nevertheless, its neuronal ionic effects and how they potentially affect neuronal network excitability remain largely unclear. With the aid of patch-clamp technology

Effects of Sesamin, the Major Furofuran Lignan of Sesame Oil, on the Amplitude and Gating of Voltage-Gated Na+ and K+ Currents.

Ping-Chung Kuo et al.

Molecules (Basel, Switzerland), 25(13) (2020-07-09)

Sesamin (SSM) and sesamolin (SesA) are the two major furofuran lignans of sesame oil and they have been previously noticed to exert various biological actions. However, their modulatory actions on different types of ionic currents in electrically excitable cells remain

Two novel house fly Vssc mutations, D600N and T929I, give rise to new insecticide resistance alleles.

Haina Sun et al.

Pesticide biochemistry and physiology, 143, 116-121 (2017-12-01)

The house fly, Musca domestica, is a serious pest because it transmits a large diversity of human and veterinary diseases. Insecticides, particularly pyrethroids, are commonly used to control house flies. However, the evolution of pyrethroid resistance has reduced the effectiveness

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