Strata SE SLE is an advanced sample preparation solution designed for low-level extractions, delivering high recoveries and clean extracts from biological samples. It has demonstrated batch-to-batch consistency and is QC-tested by LC-MS/MS to ensure minimal background interference and reliable performance.
Strata SE SLE produces high-quality, clean extracts providing superior results to laboratories seeking more sustainable solutions to respond to health concerns from the use of halogenated solvents. Recoveries and %CV of 11 steroids extracted from Strata SE, and Competitor SLE at LOD eluted with Ethyl Acetate.
Strata SE SLE delivers clean extracts and high recoveries.
Peak No. | Analyte | Retention Time (RT) | LOD | Units | Ionization |
---|---|---|---|---|---|
1 | Aldosterone | 1.8 | 10 | pg/mL | Negative |
2 | 18-OH-Corticosterone | 2 | 150 | pg/mL | Positive |
3 | 21-Deoxycortisol | 3.1 | 40 | pg/mL | Positive |
4 | 11-Deoxycortisol | 3.4 | 20 | pg/mL | Positive |
5 | Androstenedione | 3.8 | 10 | pg/mL | Positive |
6 | Estrone | 3.9 | 20 | pg/mL | Negative |
7 | 11-Deoxycorticosterone | 4 | 50 | pg/mL | Positive |
8 | Estradiol | 4.1 | 40 | pg/mL | Negative |
9 | Testosterone | 4.1 | 10 | pg/mL | Positive |
10 | 17-OH-Progesterone | 4.3 | 150 | pg/mL | Positive |
11 | Progesterone | 5 | 150 | pg/mL | Positive |
Analyte | Strata SE SLE | Competitor SLE | ||
---|---|---|---|---|
% Recovery | % CV | % Recovery | % CV | |
18-OH-Corticosterone | 98 | 7.9 | 61 | 54 |
21-Deoxycortisol | 99 | 2.9 | 61 | 3.9 |
11-Deoxycortisol | 73 | 8.5 | 68 | 6.5 |
Androstenedione | 113 | 8.8 | 58 | 6 |
11-Deoxycorticosterone | 117 | 15 | 64 | 5.5 |
Testosterone | 118 | 5.2 | 63 | 8.9 |
17-OH-Progesterone | 109 | 2.3 | 73 | 12.4 |
Progesterone | 83 | 12 | 49 | 5.7 |
Aldosterone | 103 | 11 | 74 | 25 |
Estrone | 107 | 6.9 | 82 | 8.5 |
Estradiol | 113 | 12.8 | 91 | 10.9 |