electrostatic+potentials+galvani+potential+volta+potential+surface+potential

... bắt đầu nghi ngờ lý thuyết điện sinh vật Volta thử lại thí nghiệm Galvani lúc đầu chấp nhận ý kiến Galvani Nhưng sau, Volta chứng minh lầm lẫn Galvani Theo Volta thể vật chất dẫn điện thường Điện ... học Alessandro Volta: Nhà bác học Volta Alessandro Volta (1745-1827) Giáo Sư Vật Lý trường Đại Học Pavie nước Ý Ông khảo cứu nhiều điện học tìm cách tăng hiệu chai tụ điện Từ Galvani phổ biến ... trụ Quả thật pin Volta “cây cột” người ta xây đắp “tòa nhà Điện Học đại” ngày Công lao Volta phát triển điện - từ học: Volta người tạo nguồn điện chiều 1801, Napoleon phong Volta bá tước, tên...

Ngày tải lên: 13/08/2014, 07:20

... nucleolin Nucleolin is present on the surface of developing muscle tissue In order to function as a potential ligand for PTPr, nucleolin must be present on the surface of the target cells Originally, ... is present on the surface of a variety of cell lines [42,48,52,55,56] and on the surface of endothelial cells [57,58] To address whether nucleo4674 lin is also present on the surface of developing ... Fig 6F) and surface nucleolin (red) showed nucleolin patches on the surface of developing myotubes (arrows in Fig 6F) This form of nucleolin should therefore be accessible to cell surface PTPr...

Ngày tải lên: 19/02/2014, 05:20

... observed reactivity of thymine and its modulation by Mg2+ reects variation in the effective electrostatic potential along the separated DNA strands determined by charged DNA phosphates and protein ... thymidine phosphates is mainly electrostatic in nature Therefore, the differences in ox k([Mg] ẳ 0) between thymidine and its nucleotides reect mostly the differences in the electrostatic barrier to ... the Mg effect on the reaction in nucleotides is electrostatic and consists of screening the negative phosphate charges by Mg2+, thereby reducing the electrostatic barrier to diffusion of MnO4 anions...

Ngày tải lên: 19/02/2014, 18:20

... motor unit action potentials from surface EMG signals J Neurosci Methods 2004, 136:165-77 Kallenberg LA, Hermens HJ: Motor unit action potential rate and motor unit action potential shape properties ... single muscle fibre action potentials Med Biol Eng Comput 1983, 21:158-65 Roeleveld K, Stegeman DF, Vingerhoets HM, Van Oosterom A: Motor unit potential contribution to surface electromyography ... the complete transformation from the intracellular action potential to the signal recorded at the surface First, the extracellular action potential of one muscle fibre is calculated by convoluting...

Ngày tải lên: 19/06/2014, 10:20

... first interaction with the cell surface, one can suspect that the interactions of the viral capsid with the cell surface could affect HPV tropism To study this, the net surface charge of the HPV L1 ... http://www.virologyj.com/content/5/1/118 Figure Comparison of surface exposed charge differences of HPV-5 and HPV-16 L1 capsid proteins Comparison of surface exposed charge differences of HPV-5 and HPV-16 ... Spillmann D, Streeck RE, Chen XS, Lindahl U, Sapp M: Surface- exposed amino acid residues of HPV16 L1 protein mediating interaction with cell surface heparan sulfate J Biol Chem 2007, 282(38):27913-27922...

Ngày tải lên: 20/06/2014, 01:20

... types of surfaces, with a CA mean value of 70° for the smooth H surface and 154° for the rough SH surface (Song et al 2009) Discussion Together with extracellular polymers and surface electrostatic ... benefit from such a high contact surface This is probably due to the fact that a rough surface has a greater surface area and the depressions in the roughened surfaces provide more favourable ... images showing S aureus colonization of (a) H PLLA surface and (b) SH PLLA surface; and P aeruginosa colonization of (c) H PLLA surface and (d) SH PLLA surface regardless of their Gram-type and morphology...

Ngày tải lên: 20/06/2014, 23:20

... provides the ability to map the surface potential in addition to imaging Page of sample topography [15-17] KPFM measures the surface potential by eliminating the electrostatic interactions between ... nullify the electrostatic interactions Increasing the tip-sample separation by 50 nm eliminates the possibility of cross talk between the topography and surface potential measurements Surface potential ... functionality and desired surface potential differences can be created using AFM-based nanografting method In addition, we demonstrated for the first time that small differences in surface potential maps...

Ngày tải lên: 21/06/2014, 05:20

... meter Equivalent to glucose weight Not determined emission potential of SOC-CO2 (p > 0.05 in Pearson’s correlation test) 3.4 CO2 emission potential for soil The CO2 emission rates (mg C d−1 ) from ... carbon This study promises to contribute to understanding of Japan-wide CO2 emission from the soil surface and the characteristics of soil organic carbon in Japanese forests MATERIALS AND METHODS ... Andosol, Podzol and Alisol) exist at the study sites, and most sites are affected by CO2 flux from soil surface in Japan 539 Table I General Information of the Sites Site Lat Long Elev Vegetationa (m)...

Ngày tải lên: 07/08/2014, 16:20

... children 3D and thermal surface imaging can quantify clinically meaningful changes in arthritic joints in response to therapy To demonstrate the potential utility of 3D and thermal surface imaging to ... defined as one standard deviation (SD) from the mean of the all surface points-to-bottom plane distances The SDI is a reflection of the surface shape, and distortions due to swelling will result in ... of the ROI and the surface can be directly calculated using Rapidform software The wrist is shown as an example (c) The distance in millimeters from the base of the ROI to the surface can be depicted...

Ngày tải lên: 09/08/2014, 10:22

... hydrophobic surface leads to increasing opsonization and rapid removal of particles from circulation (Kumar et al 2005) In addition, ionic surface leads to a higher uptake than a neutral surface, ... potential chemotherapy and MRI detection of cancers Another type of self-assembly generates polyelectrolyte capsules from electrostatic layer-by-layer (LBL) self-assembly, which is based on electrostatic ... reactive surface sites This drawback can be overcome by using the “grafting from” method (also called surface- initiated polymerization), in which polymer chains grow in situ from the surface of...

Ngày tải lên: 09/09/2015, 10:14

... 2.4 Surface modification of Ti to enhance osseointegration 14 2.4.1 Enhancement of osseointegration by surface topography 15 2.4.2 Enhancement of osseointegration by surface chemistry 16 2.5 Surface ... by XPS, surface density of loaded alendronate, and contact angle at the surface of the pristine and functionalized Ti substrates Table 6.2 Surface density of loaded alendronate, and surface roughness ... alendronate on Ti can potentially be capitalized to reduce fibrous encapsulation vii LIST OF TABLES Table 3.1 Surface elemental compositions as determined by XPS, contact angle and surface roughness...

Ngày tải lên: 10/09/2015, 09:13

... the critical surface (or zeta) potential [Leong et al, 2000] The critical surface potential characterises the electrostatic repulsive potential that exactly counters the attractive potential Indirectly, ... shear stress at the end surface Vsteric steric interaction potential Vhp hydrophobic interaction energy ψo surface potential ζ zeta potential ζ criticall critical zeta potential xiv Chapter CHAPTER ... surface potential is a measure of the magnitude of the van der Waals potential The surface potential is a very difficult parameter to characterize and it is far easier to determine the zeta potential...

Ngày tải lên: 11/09/2015, 10:18

... specific surface properties that are needed in some applications The purpose of surface treatment are: to modify the surface layer of a polymer by introducing some functional groups into the surface ... process control and can lead to undesirable surface changes, such as severe surface roughening, excessive surface damage (cracks, pitting, etc.) and surface contamination They may also cause environmental ... roughness of the polymer surface, depending on the way these two polymers absorb the UV radiation on the surface This controlled surface modification allows decoupling of the surface properties of...

Ngày tải lên: 14/09/2015, 08:36

... học và Kỹ thuật, Hà Nội, 1997 [6] Didier Staufer, “Machining and measurement of Sculotured Surface , The newest achievement in electrical discharge machining, Krakow, 1997 [7] Erle, Shobert,...

Ngày tải lên: 08/06/2016, 07:04

Ngày tải lên: 19/10/2012, 11:12

... electron microscope (Jeol Ltd., Tokyo, Japan) equipped with a digital camera, at 20 kV accelerating voltage was used to evaluate the morphological differences between normal and pravastatin loaded ... WN, Chan HK, Finnin BC, Charman SA Drug Delivery: A Key Factor in Realising the Full Therapeutic Potential of Drugs Drug Dev Res 1999;46:316-327 Margulis-Goshen K, Magdassi S Formation of simvastatin...

Ngày tải lên: 25/10/2012, 11:10

... translocated into the cells by the SGLT cotransport system, their effect on membrane potential was measured Changes in membrane potential induced by each thioglycoside (10 µM) were determined by fluorescence ... inhibitory effect of some thioglycosides synthesized in our laboratory on human hSGLT1 and hSGLT2 –as a potential therapeutic alternative for the control of hyperglycemia, particularly for people with ... shown in Figure 3, a statistically significant linear relation between the changes in membrane potential and the transport activity of the cells was observed with a correlation coefficient of...

Ngày tải lên: 26/10/2012, 10:04

Ngày tải lên: 29/10/2012, 16:30

... event-related brain potentials: P3 voltage Electroencephalography and Clinical Neurophysiology 1998; 108:244-250 95 Almasy L, Porjesz B, Blangero J, et al Genetics of event-related brain potentials in ... Knight RT Neural mechanisms of event-related potentials from lesion studies In: Rohrbaugh JW, Parasuraman R, and Johnson R Jr, Eds Event Related Brain Potentials New York: Oxford University Press, ... mental processing revealed by analyses of event related potentials In: Rohrbaugh JW, Parasuraman R, and Johnson R Jr, Eds Event Related Brain Potentials New York: Oxford University Press, 1990:242-278...

Ngày tải lên: 02/11/2012, 11:08

... transfer, etc) could in principle be applied to humans The purpose of this paper is to consider the potential for applying the available genetic modification (GM) technologies to the goal of achieving ... crucial question must be asked: Why it? There is in effect a ‘golden rule’ applying to disorders potentially amenable to germline gene therapy: in any disorder with enough molecular knowledge available ... associated technology and underpinning science is accordingly well developed Thus, the human embryo is a potential candidate for human germline gene therapy Unless dramatic improvements in the technologies...

Ngày tải lên: 03/11/2012, 10:01