“…Notwithstanding the more cumbersome experimental setup (often requiring the use of two thermostats for generating the temperature gradient and the use of special precautions for avoiding unequal solvent evaporation from the gel slab), TGGE is also gaining in popularity, as witnessed by bursts of reports on this methodology (17,18,24,25). A similar method in a capillary format is being developed (11).…”