@article{oai:kyutech.repo.nii.ac.jp:00001535, author = {Enpuku, K. and Tanaka, T. and Matsuda, T. and Dang, F. and Enomoto, N. and Hojo, J. and Yoshinaga, Kohji and 吉永, 耕二 and Ludwig, F. and Ghaffari, F. and Heim, E. and Schilling, M.}, issue = {5}, journal = {Journal of Applied Physics}, month = {Sep}, note = {Properties of magnetic nanoparticles in the Brownian relaxation region were studied. Using the magnetic nanoparticles that exhibit remanence, we measured the magnetic properties, such as static magnetization, magnetic relaxation, and alternating current susceptibility, in a solution. Comprehensive comparisons were made between the experimental results and the theoretical ones predicted from the Brownian relaxation. From the comparison, the distributions of the particle parameters, i.e., the magnetic moment and the relaxation time, were estimated. It was shown that all the magnetic properties can be well explained when we take into account the parameter distributions in the sample.}, pages = {054901-1--054901-7}, title = {Properties of magnetic nanoparticles in the Brownian relaxation range for liquid phase immunoassays}, volume = {102}, year = {2007}, yomi = {ヨシナガ, コウジ} }