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41. 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/rus/presentations/p14853/ -- 6.2 Кб -- 01.10.2012
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42. 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/rus/presentations/p14844/ -- 6.6 Кб -- 01.10.2012
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43. MSM 2007
... in English . ... Switch to English . ... 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...
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Ссылки http://www.msm.biophys.msu.ru/rus/presentations/p14842/ -- 5.5 Кб -- 01.10.2012
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44. 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/rus/presentations/p14695/ -- 7.4 Кб -- 01.10.2012
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45. 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/rus/presentations/p14677/ -- 7.4 Кб -- 01.10.2012
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46. 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/rus/presentations/p14663/ -- 9.9 Кб -- 01.10.2012
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47. 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/rus/presentations/p14660/ -- 5.9 Кб -- 01.10.2012
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48. MSM 2007
... 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. ... This value, called as phase height, is the sum of optical density changes in different optical media (for example cell organelles) of the given point of cell. ... 2007 Biophysics dep., Biological fac., ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p15130/ -- 5.4 Кб -- 01.10.2012
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49. MSM 2007
... Maev R.Gr. ... 495) 137-83-47, Fax: (495) 137-41-01 . ... acoustic microscopy, - are stated. ... That enables one either to obtain visual raster images of an object?s surface, or internal microstructure, as well as to conduct precise measurements of local acoustic characteristics, which are in a close correlation with mechanical strength of biological tissues and alternate artificial materials [Maev, 2005]. ... Acoustic microscopy 2005, Moscow, Torus-Press, 385 pp., rus. ... 2007 Biophysics dep., ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p15126/ -- 5.2 Кб -- 01.10.2012
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50. MSM 2007
... Abstracts . ... Accomodation . ... Experiments and models. The connection between them is the reflection of model characteristics on the class of measurable quantities: positions of spectral bands and lines. ... Models ambiguity. ... Modern design methods (modern methods of calculation). Quantum beatings. abstract (PDF) . 2007 Biophysics dep., ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p15122/ -- 4.4 Кб -- 01.10.2012
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51. MSM 2007
... 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 . ... CD-study of the recombinant proteins of spidroin I and spidroin II type recovers poly-lproline II left-helical conformation as basic structure of this protein. This type conformation was found for the first time in b-structural silks. We observe isobestic point at the CD-curves of water solutes of the recombinant proteins at various concentrations. ... 2007 Biophysics dep., ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p15117/ -- 6.1 Кб -- 01.10.2012
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52. MSM 2007
... Most of the cell imaging techniques are however more or less invasive as they imply dyeing or drying or mechanical coercion. ... Laser interference microscopy (LIM) is a modern and unique cell imaging technique which allows to see real-time changes in the local IOP of a cell. Here we present the results of the LIM application with consequent wavelet analysis for cell visualization and cellular dynamics study. ... Temporal variations of the local RI were also studied. ... 2007 Biophysics dep., ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p15113/ -- 5.8 Кб -- 01.10.2012
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53. MSM 2007
... The ability to image specific molecular biomarkers in vivo would have important implications for the earliest detection of various diseases, in assessing specific targeted therapies and for monitoring dynamic changes in expression patterns during disease progression. ... Non-invasive assessment of EGFR (170 kD epidermal growth factor receptor) overexpression in cancer is essential in understanding the implication of this receptor in cancer progression and the expression of aggressive phenotype. ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p15109/ -- 8.1 Кб -- 01.10.2012
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54. MSM 2007
... Change of membranes properties is one of the main principles of the modulation of the nerve cell function. ... In the present work we show that NO influences various neuronal and axonal membrane structures and thus causes different time-scale changes of nerve cell properties. ... We have shown, that exogenous NO firstly activates voltage-dependent K-channels, decreases nerves excitability and then evokes desorption of Ca2+ from the plasma membrane (Ca2+mb). ... 2007 Biophysics dep., ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p15023/ -- 7.0 Кб -- 01.10.2012
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55. MSM 2007
... A related field concerns the behavior of excess electrons in liquids or solids where they can react with dissolved molecules with considerable rate constants. We review processes which are induced in phosphate monoanion H 2 PO 4 - by the interaction with free electrons in an energy range typically below the ionization threshhold. ... 2007 Biophysics dep., ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p15021/ -- 6.6 Кб -- 01.10.2012
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56. MSM 2007
... We study the effect of modification free SH-groups level of superficial proteins (pHMB affect), mild proteolysis of the superficial nerve proteins (pronase Е) 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/eng/presentations/p15018/ -- 6.3 Кб -- 01.10.2012
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57. MSM 2007
... Abnormalities of blood coagulation cause serious pathological complications. ... However in a number of pathologies parameters of blood coagula-tion system (BCS) can change significantly within an hour or even faster. ... It is understood that registration of yet reversible early stages of coagulation processes is considered as the most important. ... We discovered that processes of formation of microagregates at early stages of blood coagulation are accompanied by acoustic contrast. ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p15016/ -- 6.6 Кб -- 01.10.2012
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58. MSM 2007
... Sensitive methods that enable early detection and quantification of dental lesions increase possibilities to monitor changes in the tooth over time. Laser-induced fluorescence spectroscopy as a diagnostic method for detection of teeth lesions is used increasingly in recent years [1-2]. ... These spectroscopic results could be applied in designing simplified fluorescence-imaging devices for detection and differentiation of the initial tooth caries from demineralized lesions. abstract (PDF) . ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p15013/ -- 5.9 Кб -- 01.10.2012
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59. MSM 2007
... Human serum albumin (hSA, a globular protein, Mw approx. 67 kDa) is the main carrier and transport protein of extracellular human body fluids. Albumin executes a number of important functions (osmotic, ligand binding, detoxication, antioxidant, etc.) which are instantly related to special parts of its globule, binding sites. ... To study hSA binding sites, an original albumin-specific fluorescent probe CAPIDAN (a carboxyphenyl naphthalimide derivative) was synthesized. ... 2007 Biophysics dep., ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p15011/ -- 6.5 Кб -- 01.10.2012
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60. MSM 2007
... The choice of a hornwort Anthoceros is substantiated by such advantages as the feasibility of simultaneous measurements of the chloroplast membrane potential, the electric potential changes at the cell membrane, and changes in chlorophyll fluorescence parameters occurring upon the absorption of photosynthetically active radiation (PAR). ... A remarkable property of Anthoceros cells is an electrical excitation of the plasma membrane in response to light pulses with a length of few seconds. ...
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Ссылки http://www.msm.biophys.msu.ru/eng/presentations/p15009/ -- 6.9 Кб -- 01.10.2012
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