Actinic keratoses that develop on the lips are referred to as actinic cheilitis. The clinical appearance of an actinic keratosis is that of a small (several millimeters), red scaly papule or plaque, with induration and thickening of the epidermis.
1 Location: Ideally, the probe should be in close proximity to the forward or reverse primer, but should not overlap with a primer-binding site on the same strand. 2  Probes can be designed to bind to either strand of the target. 3  Melting temperature (Tm): Preferably, probes should have a Tm 6â8Â°C higher than the primers.
The most common reverse-polarity test is specified by the ISO 16750-2 standard. For 12-V systems, the module must survive â14 V on the VBAT input for 60 seconds without damage. For 24-V systems, the test mandates â28 V for 60 seconds. This is only part of the story, though.