An R(1ρ) expression for a spin in chemical exchange between two sites with unequal transverse relaxation rates.
An analytical expression is derived for the rotating frame relaxation rate, R(1ρ), of a spin exchanging between two sites with different transverse relaxation times. A number of limiting cases are examined, with the equation reducing to formulae derived previously under the assumption of equivalent relaxation rates at each site. The measurement of a pair off-resonance R(1ρ) values, with the carrier displaced equally on either side of the observed correlation, forms the basis of one of the app...Expand abstract
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