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One reason for this is the expense and complexity of the equipment used to generate the switched magnetic fields necessary for MRI encoding. These field gradients are also responsible for intense acoustic noise and have the potential to induce nerve stimulation. We present results with a new MRI encoding principle which operates entirely without the use of conventional B0 field gradients. This Everolimus new approach �C ��Transmit Array Spatial Encoding�� (TRASE) �C uses only the resonant radiofrequency (RF) field to produce Fourier spatial encoding equivalent to conventional MRI. k-space traversal (image encoding) is achieved by spin refocusing with phase gradient transmit fields in spin echo trains. A transmit coil array, driven by just a single transmitter channel, was constructed to produce four phase gradient fields, which allows the encoding of two orthogonal spatial axes. High-resolution two-dimensional-encoded in vivo MR images of hand and wrist were obtained at 0.2 T. TRASE exploits RF field phase selleck inhibitor gradients, and offers the possibility of very low-cost diagnostics and novel experiments exploiting unique capabilities, such as imaging without disturbance of the main B0 magnetic field. Lower field imaging (Cilengitide that tDCS may exert a direct migratory effect on endogenous NSCs towards the stimulated cortex. Using noninvasive imaging, we here investigated whether tDCS may also cause a directed migration of engrafted NSCs. Murine NSCs were labeled with superparamagnetic particles of iron oxide (SPIOs) and implanted into rat striatum and corpus callosum. MRI was performed (i) immediately after implantation and (ii) after 10 tDCS sessions of anodal or cathodal polarity. Sham-stimulated rats served as control. Imaging results were validated ex vivo using immunohistochemistry. Overall migratory activity of NSCs almost doubled after anodal tDCS. However, no directed migration within the electric field (i.e.