Cytoplasmic conductivity
WebJan 3, 2024 · These results indicate that neural net fitting can to an extent be used to estimate membrane relative permittivity and cytoplasmic conductivity based on previously unknown nine-frequency impedance … WebMay 28, 2024 · The membrane capacitances and cytoplasm conductivities of WEHI-231 cells were firstly determined to be 8.89 ± 0.25 mF m −2 and 0.28 ± 0.03 S m −1, respectively. Furthermore, the difference of the ROT …
Cytoplasmic conductivity
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WebJun 30, 2024 · Amongst these methods, electrorotation measurement is considered to be one of the most accurate method in determining the dielectric properties of cells such as their membrane capacitance as well as conductivity and permittivity of cytoplasm (Yang et al. 1999). In this method, a rotational force is applied to cells by multiple dielectrophoretic ... WebMar 4, 2024 · Phenotypic quantification of cells based on their plasma membrane capacitance and cytoplasmic conductivity, as determined by their dielectrophoretic frequency dispersion, is often used as a marker for their biological function. However, due to the prevalence of phenotypic heterogeneity in many biological systems of interest, there …
WebFeb 5, 2024 · Dielectric spectroscopy (DS) is a noninvasive technique for real-time measurements of the impedance spectra of biological cells. DS enables characterization of cellular dielectric properties such as membrane capacitance and cytoplasmic conductivity. We have developed a lab-on-a-chip device that uses an electro-activated microwells … WebJul 9, 2024 · In this work, we monitored the change in cytoplasm conductivity of Chinese hamster ovary (CHO) cells during nutrient deprivation and reintroduction. Employing single cell dielectrophoresis, the change in cytoplasm conductivity was measured over a 48-hr period. The conditions under which the cytoplasm conductivity would recover to …
WebPermittivity measurement is based upon intracellular ion separation and is sensitive to cellular changes in cytoplasmic conductivity such as a decrease in intracellular … WebFeb 9, 2024 · Low excitation voltage (10 mV) was used because higher voltages might influence the permittivity and conductivity of the cells’ cytoplasm due to the extra ion channels opened through the membrane which might influence the total complex impedance (Weaver and Chizmadzhev 1996; Jang and Wang 2007 ).
WebJun 23, 2024 · A microfluidic device enabling drug resistance analysis of leukemia cells via coupled dielectrophoretic detection and impedimetric counting Scientific Reports Article Open Access Published: 23...
WebDefine cytoplasmic. cytoplasmic synonyms, cytoplasmic pronunciation, cytoplasmic translation, English dictionary definition of cytoplasmic. n. The protoplasm enclosed by … grambling state 2022 football scheduleWebOur studies have revealed that K562 (human myelogenous leukemia) cells show a persistent elevation in the cytoplasmic conductivity occurring as early as 30 minutes following exposure to staurosporine. This method therefore allows a far more rapid detection method than existing biochemical marker methods. grambling state accounting chairWebFeb 5, 2024 · Dielectric spectroscopy (DS) is a noninvasive technique for real-time measurements of the impedance spectra of biological cells. DS enables characterization of cellular dielectric properties such as membrane capacitance and cytoplasmic conductivity. We have developed a lab-on-a-chip device that uses an electro-activated microwells … china pakistan fta legal textWebNov 14, 2024 · The cytoplasmic membrane integrity was analyzed by testing the relative electrical conductivity, leakage of intracellular substance, and permeation of fluorescent probe. The results indicated that the short-term adaptation improved the membrane integrity of yeast cell. The inhibition mechanism of phenolic acid might be attributed to the ... china pakistan all weather strategicWebNov 10, 2024 · Blood samples were analyzed at 4-h intervals over 2 days by dielectrophoresis, and microscopic determination of parasitemia. We found that cytoplasmic conductivity (indicating the concentration of free ions in the cytoplasm and related to the membrane potential) exhibited circadian rhythmic behavior in all three … grambling state 2023 football scheduleWebFeb 1, 2024 · The measured lysate conductivity drop of 8.22% is comparable with in situ cell measurements. In comparison, the conductivity of LB medium was measured to be 1.04 ± 0.05 S/m in this work, lower than the predicted cytoplasmic conductivity of live E. coli. Thus, the dead cells are expected to loss ions to the medium, leading to a drop of … china palace aberchirderWebJun 30, 2024 · Amongst these methods, electrorotation measurement is considered to be one of the most accurate method in determining the dielectric properties of cells such as … china palace aberchirder menu