Interaction of a Laser Dye with a Floating Phospholipid Monolayer

Saha, Mitu; Hussain, Syed Arshad; Bhattacharjee, D.

doi:10.1080/10601325.2013.784552

Cited by 4 publications

(7 citation statements)

References 30 publications

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“…To have further insight about the floating DOPC layer in the presence of PS, different parameters like compressibility, lift-off area, mean molecular area, collapse pressure, etc., were extracted from the isotherm curves of Figures 2 a,b and 3 following a standard procedure. 48 Corresponding values are listed in Tables 1 – 3 , respectively. The compressibility of the Langmuir film in two dimensions as a function of surface pressure can be calculated from the π– A isotherm using the following standard thermodynamic relation.…”

Section: Resultsmentioning

confidence: 99%

“…Also, in certain cases, the barrier was kept fixed and changes in surface pressure with time (π– t curve) were recorded, where the surface pressure is measured by the Wilhelmy plate arrangement. 48 This experiment was performed at room temperature (25 °C). The resistivity of water was 18.2 MΩ·cm and pH was 6.8.…”

Section: Experimental Sectionmentioning

confidence: 99%

“…After waiting for various amounts of time for interaction to occur, the π– A isotherms were recorded. Also, in certain cases, the barrier was kept fixed and changes in surface pressure with time (π– t curve) were recorded, where the surface pressure is measured by the Wilhelmy plate arrangement . This experiment was performed at room temperature (25 °C).…”

Section: Experimental Sectionmentioning

confidence: 99%

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Interaction of a Phospholipid and a Coagulating Protein: Potential Candidate for Bioelectronic Applications

et al. 2022

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In the present communication, we have investigated the interaction between a biomembrane component 1,2-dioleoyl- sn -glycero-3-phosphocholine (DOPC) and a coagulating protein protamine sulfate (PS) using the Langmuir–Blodgett (LB) technique. The π– A isotherm, π– t characteristics, and analysis of isotherm curves suggested that PS strongly interacted with DOPC, affecting the fluidity of the DOPC layer. Electrical characterization indicates that PS as well as the PS–DOPC film showed resistive switching behavior suitable for Write Once Read Many (WORM) memory application. Trap-controlled space charge-limited conduction (SCLC) was the key mechanism behind such observed switching. The presence of DOPC affected the SCLC process, leading to lowering of threshold voltage ( V Th ), which is advantageous in terms of lower power consumption.

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Section: Resultsmentioning

confidence: 99%

Section: Experimental Sectionmentioning

confidence: 99%

Section: Experimental Sectionmentioning

confidence: 99%

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Interaction of a Phospholipid and a Coagulating Protein: Potential Candidate for Bioelectronic Applications

et al. 2022

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“…It may be important to mention in this context that when cationic RhB molecules were adsorbed into the anionic stearic acid (SA) monolayer [17] and zwitterionic phospholipid DPPC monolayer [18] distinct circularly shaped domains structures were observed in the FIM images. The formation of worms like domain structures in the present investigation may be attributed solely due to the presence of anionic nano clay platelets.…”

Section: In-situ Fluorescence Imaging Microscopic (Fim) Studies Durinmentioning

confidence: 98%

“…Adsorption mechanisms of water soluble cationic RhB molecules onto anionic stearic acid (SA) monolayer [17] and zwitterionic DPPC monolayer [18] have been reported previously. In-situ Fluorescence Imaging Microscopic (FIM) studies revealed the formation of distinct circularly shaped domains at the air-water interface.…”

Section: Introductionmentioning

confidence: 98%