Methods and related devices are provided for probing a surface by
application of a hyperpolarized noble gas having a nuclear electric
quadrupole moment to the surface. In an embodiment, the hyperpolarized
noble gas is substantially free of alkali metal vapor, such as rubidium
vapor used to hyperpolarize the noble gas. Noble gas interaction with the
surface of interest is detected by measuring quadrupolar-driven events
such as T.sub.1, T.sub.2 relaxation or coherent processes by nuclear
magnetic resonance spectroscopy or by magnetic resonance imaging, for
example. The method is capable of probing a variety of surfaces that are
difficult to analyze by conventional methods, including biological or
non-biological surfaces, to obtain detailed and reliable information
related to surface chemical composition.