Table 1.

Overview of the five RNA isolation protocols

RNA isolation protocol	RNA isolation kit name	RNA processing method	Technologies for tot RNA extraction	Simultenous isolation of all RNA speciesc
MagMAX semi-automateda	MagMAX™ for Stabilized Blood Tubes RNA Isolation Kit, compatible with Tempus™ Blood RNA Tubes	Semi-automated	Magnetic beads based RNA purification system	Yes
MagMAX manuala	MagMAX™ for Stabilized Blood Tubes RNA Isolation Kit, compatible with Tempus™ Blood RNA Tubes	Manual	Magnetic beads based RNA purification system	Yes
Norgenb	Preserved Blood RNA Purification Kit I (for use with Tempus Blood RNA Tubes)	Manual	Column-based RNA purification systems:resin as the separation matrix	Yes
Tempus Spina	Tempus™ Spin RNA Isolation Kit	Manual	Column-based RNA purification systems:silica membrane	No
Tempus 6-porta	Tempus™ 6-Port RNA Isolation Kit	Semi-automated	Column-based RNA purification systems:silica membrane	No

^aThe kit supplier is Life Technologies, Norway

^bThe kit supplier is Norgen Biotek Corp, Canada

^cAll RNA species can be simultaneously isolated according to the manufacturer’s protocol