Changes in the Area per Lipid Molecule by P–V–T and SANS Investigations

Soloviov, Dmytro; Zabashta, Yu. F.; Bulavin, L. A.; Olexandr, Ivankov; Gordeliy, Valentin; Куклин, А. И.

doi:10.1002/masy.201200122

Cited by 7 publications

(3 citation statements)

References 6 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This circumstance is a result of several important contributions. First, such objects as thin films [262,263,349,359,369], lipid bilayers [155,191,255], nano-sized laponite disks [162,193] and some others are quasi-two-dimensional ones. Second, these are polymer systems in the statistical coil state under -conditions [315].…”

Section: Experimental Studies Of Nanosystems With Fractal Propertiesmentioning

confidence: 99%

The Concept of Fractals in the Structural Analysis of Nanosystems: A Retrospective Look and Prospects

Tomchuk

2020

Ukr. J. Phys.

View full text Add to dashboard Cite

The concept of fractals is widely used in various fields of science. By an example of the results obtained by L.A. Bulavin’s scientific school, the tendency toward a more intense application of the fractal analysis to structural studies of nanosystems has been demonstrated. It is shown that the peculiarities in the distribution of nanosystems over their fractal dimensions are related to the mechanisms of growth and aggregation of the dispersed phase. An important aspect of the considered issue is the kinetics of the process under the influence of various factors. The leading role of small-angle scattering methods (analysis in the reciprocal Fourier space) together with microscopy ones (analysis in the direct space) used to study advanced nanostructured materials in various states of matter is emphasized.

show abstract

Section: Experimental Studies Of Nanosystems With Fractal Propertiesmentioning

confidence: 99%

The Concept of Fractals in the Structural Analysis of Nanosystems: A Retrospective Look and Prospects

Tomchuk

2020

Ukr. J. Phys.

View full text Add to dashboard Cite

show abstract

“…Two-detector system has no such disadvantage. The need of high resolution at the nearest position for the wide spectrum of samples (alconates [15], proteins [16][17][18][19], dendrimers [20][21][22][23][24][25], nanotubes [26], lipids [27][28][29]) leads to conducting the experiments at the nearest position of the well-collimated detector. Consequently the time of measurements range on the spectrometer YuMO is from 3 min [30,31] up to 12h [32,33].…”

Section: The Comparison Of the Time Of Measurements: One Detector At mentioning

confidence: 99%

High-throughput SANS experiment on two-detector system of YuMO spectrometer

Куклин

Ivankov

Soloviov

et al. 2018

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

Abstract. Using a multidetector system on the YuMO spectrometer allows shortening the time of measurements. The quantitative comparison of the measurement time using one and twodetector mode is done. The time range for experiments was from several minutes up to 12 hours. It was shown that two-detector system shortens more than twice the time of the measurement. While making a structural investigation using advanced software the twodetector system allows to treat the data at a qualitatively new level. An example illustrating the features of the channels choice and measurement time on the spectrometer was shown. The results of this paper could be used when planning the experiments on the YuMO spectrometer, for modernization of the installation and for equipment using time-of-flight method.

show abstract

“…Lipid membranes are an important component of living organisms, because they regulate plenty of the processes that are required to maintain the viability of every cell and cell organelles. That is why a considerable number of works on biophysics is devoted to the study of phase transitions in lipid membranes and their dependence on the temperature and pressure [1][2][3][4], the structural characteristics of various lipid phases [5,6], the influence of various impurities on the properties of membranes [7][8][9][10][11], as well as to the measurement of the dynamic characteristics of singleand multicomponent membranes [12,13].…”

Section: Introductionmentioning

confidence: 99%

Influence of Cholesterol Concentration on Bacteriorhodopsin Photocycle

et al. 2020

View full text Add to dashboard Cite

The photocycle of the membrane protein bacteriorhodopsin in Dipalmitoylphosphatidylcholine(DPPC)/Cholesterol membranes with various cholesterol concentrations has been studied using the time-resolved spectroscopy method. The temperature dependences of the rate constants of bacteriorhodopsin transitions between transient states are shown to satisfy the Eyring equation. It is proved that the growth of the cholesterol concentration in the DPPC membrane accelerates the bacteriorhodopsin photocycle.

show abstract

Changes in the Area per Lipid Molecule by P–V–T and SANS Investigations

Abstract: Summary: This paper describes the study of lipid DPPC, carried out on setup for simultaneous investigations by P-V-T and SANS methods. The data allowed us to calculate in area per lipid molecule changes during the lipid phase transition from ripple phase to liquid-crystalline phase.

Cited by 7 publications

References 6 publications

The Concept of Fractals in the Structural Analysis of Nanosystems: A Retrospective Look and Prospects

The Concept of Fractals in the Structural Analysis of Nanosystems: A Retrospective Look and Prospects

High-throughput SANS experiment on two-detector system of YuMO spectrometer

Influence of Cholesterol Concentration on Bacteriorhodopsin Photocycle

Contact Info

Product

Resources

About