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81. MSM 2007
... Diffusion governed by Brownian motion is an efficient transport mechanism on short time and length scales. ... A Brownian particle will rapidly explore a heterogeneous environment that in turn strongly alters its trajectory. ... It is well known that the non-negligible fluid's inertia leads to hydrodynamic memory effects [1] resulting in a characteristic long-time tail of t -3/2 in the velocity correlations of the particle's motion. ... 2007 Biophysics dep., ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p14853/ -- 6.0 Кб -- 01.10.2012
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82. MSM 2007
... We have studied the influence of the N-terminal cluster of hydrophobic aminoacid residues on biological activity of Ltc2a. The deletion of four N-terminal residues one by one resulted in a gradual decrease in haemolytic activity and bactericidal effect against Staphylococcus aureus , whereas activity against Gram-negative bacteria was affected weakly. ... The truncation leads to a decrease in binding affinity at zwitterionic membranes that correlates strongly with a decrease in haemolytic activity. ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p14850/ -- 6.5 Кб -- 01.10.2012
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83. MSM 2007
... Terpugov E.L. , Degtyareva O.V. Institute of Cell Biophysics Russian Academy of Sciences, Pushchino, Moscow region, Institutskay st.3, 142290 Russia; Phone: +(4967)739393; Fax:+(4967) 330509, Olga_degt@mail.ru . Infrared Emission Spectroscopy, technique rarely applied in the past. ... By using of FT-IR technique we developed a new approach of light-induced infrared emission spectroscopy, which is a method based on generation of infrared radiation in the absence of sample heating. ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p14844/ -- 6.5 Кб -- 01.10.2012
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84. MSM 2007
... Armenia, 0048, Yerevan, Davidashen 25 . ... The present work is dedicated to development of new polymer compositions used to protect units of atomic techniques and environment by means of deactivation of various surfaces from ?-, ?-, ?-radioactive pollutions. ... In both cases (applications) mechanism of ionizing radiation influence is determined by general principles of its interaction with organic molecules and organic-inorganic structures of macromolecules. ... 2007 Biophysics dep., ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p14842/ -- 5.3 Кб -- 01.10.2012
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85. MSM 2007
... Characteristic changes in tryptophan fluorescence confirm that the peptide associates with dioleoylphosphatidylcholine (DOPC) liposomes, and the binding increases drastically when liposomes contain negatively charged lipids. According to circular dichroism data, Ltc1 adopts an alpha-helical structure in membrane-mimetic environment, viz sodium dodecyl sulfate micelles and DOPC liposomes. Ltc1-induced calcein leakage from DOPC liposomes proves that the peptide is a membrane-acting agent. ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p14839/ -- 7.0 Кб -- 01.10.2012
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86. MSM 2007
... Miklukho-Maklaya 16/10, Moscow, 117997, Russia, +7(495)3366455, alexei@nmr.ru . ... Analysis of PS microdistribution in tissues as a function of time after PS injection (topical or oral application) helps to characterize a selectivity of PS accumulation in tumor cells and other tissue structures; to reveal correctly a maximum of time profile of its tumor accumulation and to recognize the features of PS tissue distribution (spatial and temporal) at different ways of PS application. ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p14695/ -- 7.2 Кб -- 01.10.2012
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87. MSM 2007
... This lack of information is primarily due to technical difficulties in the monitoring of Cl in biological organisms. ... This restricts the duration of the measurements and allows only a very low data acquisition rate. 160 mM), which is relatively far from physiological range of Cl in mammalian nervous system (5-30 mM). Thus, development of molecules with sensitivities closer to this physiological range would provide a useful tool for monitoring Cl in biological preparations. ... Biological fac., ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p14677/ -- 7.2 Кб -- 01.10.2012
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88. MSM 2007
... Real environments where objects are settled down are non-uniform and they are the source of many physical problems of acoustical imaging. ... Two groups of methods of image reconstruction in non-uniform environments are considered, and the basic attention is given to nonlinear phase methods as unlike methods of the first group, wave front inversion by matched filtering processing, they do not require detailed knowledge of parameters of the non-uniform medium. ... Acoustics of non-uniform mediums. ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p14663/ -- 9.7 Кб -- 01.10.2012
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89. MSM 2007
... This study examined the role of plasma lipids in the regulation of erythrocyte membrane viscosity, oxy-Hb content as well as Na+/H+ exchange and Ca2+-ATPase, whose activities are altered in patients with CVD. Both oxy-Hb content and erythrocyte membrane fluidity were decreased in essential hypertension and coronary artery disease patients and negatively correlated with plasma cholesterol but not triglyceride content. ... 2007 Biophysics dep., ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p14660/ -- 5.7 Кб -- 01.10.2012
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90. MSM 2007
... in English . ... Switch to English . Если Вы уже являетесь зарегистрированным пользователем системы, пожалуйста, введите логин и пароль (слева) для получения доступа к персональной части сайта. ... Если вход по каким-либо причинам невозможен (например, если Вы были зарегистрированы администратором сайта и не знаете свой пароль, или просто забыли его), пожалуйста, свяжитесь с администратором по электронной почте dubna2007@biophys.msu.ru . ... Имя: . ... 2007 Biophysics dep., ...
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Ссылки http://www.msm.biophys.msu.ru/rus/user/register/ -- 9.8 Кб -- 01.10.2012
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91. MSM 2007
... If you have already registered, please fill in you login and password in the form below main menu (leftmost column). ... If something goes wrong (for example, you've been registered by site andministrator and don't have password at all or you just forgot it), please contact site administration by E-mail dubna2007@biophys.msu.ru . ... If you are warned that you've already registered please contact site administration by E-mail dubna2007@biophys.msu.ru to get access to your Personal Office . ...
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Ссылки http://www.msm.biophys.msu.ru/eng/user/register/ -- 8.1 Кб -- 01.10.2012
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92. http://www.msm.biophys.msu.ru/archive/doc15130/eng.pdf
Method of Laser Interference Microscopy for investigation of erythrocytes Yusipovich A.I., Bryzgalova N. Yu., ... The LIM method allows to study the native contrastless biological objects without fluorescent probes. It also makes possible to estimate quantitatively change in the optical density, thereby providing not only qualitative but quantitative data at cell different states. ... The finding results allow to use LIM as appropriate method for investigation of erythrocytes condition. ...
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Ссылки http://www.msm.biophys.msu.ru/archive/doc15130/eng.pdf -- 291.2 Кб -- 01.10.2012
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93. http://www.msm.biophys.msu.ru/archive/doc15117/eng.pdf
CD-studies of the Recombinant Proteins Modeling Spider-Web Proteins Spidroin I and Spidroin II Esipova N.G., Lobachev V.M., Tumanyan V.G., Davidova L.I.1, Fedoruk K.V.1, Bogush V.G.1, Debabov V.G.1 Engelhardt Institute of Molecular Biology RAS, ul. ... Interestingly, similar isobestic points are observed also in native proteins from silkworm glands upon regeneration of soluble forms, and in conformational transformations of prion proteins accompanying amilodoidose. ...
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Ссылки http://www.msm.biophys.msu.ru/archive/doc15117/eng.pdf -- 299.2 Кб -- 01.10.2012
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94. http://www.msm.biophys.msu.ru/archive/doc15023/eng.pdf
Mechanisms of nitric oxide influence on the membrane structures of the cell Brazhe N.A., Maksimov G.V. Biophysics department, Biological faculty, Moscow State University, 1/12, Leninskie gory, Moscow, Russia 119991; e-mail: nadiya.brazhe@gmail.com Change of membranes properties is one of the main principles of the modulation of the nerve cell function. ... By means of Raman spectroscopy we estimated fluidity of axonal plasma memrane and fluidity of intercellular neuronal membranes. ...
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Ссылки http://www.msm.biophys.msu.ru/archive/doc15023/eng.pdf -- 323.6 Кб -- 01.10.2012
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95. http://www.msm.biophys.msu.ru/archive/doc15021/eng.pdf
Dissociative attachment of low-energy electrons (below ionization or electronic excitation thresholds) in aqueous phosphate solutions Nedelina O. S., Brzhevskaya O. N., Degtyarev E.N., Zubkov A.S. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, ul. ... We review processes which are induced in phosphate monoanion H2PO4- by the interaction with free electrons in an energy range typically below the ionization threshhold. ...
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Ссылки http://www.msm.biophys.msu.ru/archive/doc15021/eng.pdf -- 307.2 Кб -- 01.10.2012
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96. http://www.msm.biophys.msu.ru/archive/doc15018/eng.pdf
... We study the effect of modification free SH-groups level of superficial proteins (pHMB affect), mild proteolysis of the superficial nerve proteins (pronase ) and sorption on the nerve alien protein OspA (isolated from Borrelia burgdorferi sensu stricto) on the axon-Shwann cell interactions. ... Aplying Raman spectroscopy we have showed the decrease in the axolemma microviscosity (AM) during binding of free SH-groups and sorbtion of OspA, and the increase in AM under the nerve proteins proteolysis. ...
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Ссылки http://www.msm.biophys.msu.ru/archive/doc15018/eng.pdf -- 314.4 Кб -- 01.10.2012
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97. http://www.msm.biophys.msu.ru/archive/doc15009/eng.pdf
Analysis of chlorophyll fluorescence and electric events at the thylakoid and plasma membrane of Anthoceros for evaluation of bioenergetics characteristics Pikulenko M.M., Bulychev A.A. Biophysics Dep., Faculty of Biology, Lomonosov Moscow State University Leninskie Gory 1/12, Moscow, 119991 Russia pikulenkomarina@mail.ru The evaluation of bioenergetics characteristics of biological systems includes monitoring the physiological conditions of the cells organelles and the membrane complexes. ...
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Ссылки http://www.msm.biophys.msu.ru/archive/doc15009/eng.pdf -- 298.8 Кб -- 01.10.2012
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98. http://www.msm.biophys.msu.ru/archive/doc15006/eng.pdf
The fluorescent probes application for test of calcium gradient influence on the membrane's structure Vekshina O.M., Kim Yu.A.1, Fatkullina L.D., Goloshchapov A.N. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences Kosygin Str., ... The fluorescent probes pyrene and merocyanine 540 were introduced into the vesicles after loading with various concentrations of calcium (0 mM, 0.3 mM, 1mM, and 3 mM). The protein intrinsic tryptophan fluorescence was also used as a probe [2]. ...
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Ссылки http://www.msm.biophys.msu.ru/archive/doc15006/eng.pdf -- 319.3 Кб -- 01.10.2012
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99. http://www.msm.biophys.msu.ru/archive/doc15001/eng.pdf
The changes of affinity of haemoglobin to oxygen as regulator of haemoglobin haemoporphyrin conformation and application under the coronary heart disease Bryzgalova N. Biophysics Department, Biological Faculty, Moscow State University, Leninskie Gory 1/12, Moscow, Russia, 119992, +7(495)939-1966, n-bryzg@yandex.ru Using Raman spectroscopy the changes in conformation of haemoglobin haemoporphyrin (HH) under ... The HH conformation changes will be discussed (fig. ...
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Ссылки http://www.msm.biophys.msu.ru/archive/doc15001/eng.pdf -- 337.4 Кб -- 01.10.2012
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100. http://www.msm.biophys.msu.ru/archive/doc14993/eng.pdf
Measurement of chlorophyll a fluorescence changes in single plant cells and cell regions in response to electrical stimuli Krupenina N.A., Bulychev A.A. Biophysics Dep., ... When the weak measuring light is switched on, the minimal fluorescence yield, Fo, is assessed which is characteristic for the dark-adapted state with all PSII reaction centers (RC) being open. ... The sigmoid dependence of NPQ on PFD shifted after cell excitation towards lower fluence rates. ...
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Ссылки http://www.msm.biophys.msu.ru/archive/doc14993/eng.pdf -- 317.4 Кб -- 01.10.2012
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