Reproductive Tract Infection & Health
SyphiDuo Dual Marker Syphilis Rapid Test
One-Step TP & nTP Antibody Screening & Diagnosis Kit
What Is SyphiDuo Dual Marker Syphilis Rapid Test?
SyphiDuo TM is an innovative lateral flow rapid test independently developed by Shuwen Diagnostics. It simultaneously detects TP (Treponema Pallidum) antibodies and non-treponemal (nTP) antibodies in human fingerstick whole blood or serum samples. Combining treponemal and non-treponemal marker detection in a single cassette, our test enables simultaneous syphilis screening and infection activity judgment in one test run, eliminating the need for two separate testing workflows. It delivers reliable, instant results without lab equipment, supporting on-site, point-of-care syphilis testing anytime and anywhere.
Patented Dual Marker Detection Technology
- Dual-target detection: TP + nTP antibodies in one test strip
- Clear visual band interpretation to distinguish infection status
- No auxiliary lab instrument required
- Minimal specimen type: fingerstick blood, serum
- Fast turnaround: valid test results within 15 minutes
- Portable, single-use cassette design for field screening
Test Result Interpretation Guide Section
- Only C line visible: Negative
- C + TP lines visible, no NT line: Past or cured syphilis infection
- C + NT lines visible, no TP line: Rare, recommend re-test
- C + TP + NT lines all visible: Active syphilis infection
- No C line visible: Invalid test, repeat testing with new kit
High Sensitivity & Specificity Clinical Performance
TP (vs TPPA Reference)
PPA (Sensitivity): >98%
NPA (Specificity): >97%
NT (vs RPR Titer ≥ 1:4 Reference)
PPA (Sensitivity): >99%
NPA (Specificity): >96%
product info
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