Lateral Flow Strip Detection of Heroin Metabolite in Oral Fluid

A competitive lateral chromatographic immunoassay using gold nanoparticles detects 6-monoacetylmorphine, a unique heroin metabolite, in oral fluid with a sensitivity of 4.0 ng ml-1. The method, developed by Jia Liu, achieves results in 3 minutes and shows no cross-reactivity with ten common drugs of abuse, including morphine and codeine.

Use Cases

• Validate the 4.0 ng ml-1 sensitivity threshold for 6-monoacetylmorphine detection in oral fluid samples.
• Assess the specificity of the assay by analyzing its reported lack of cross-reactivity with morphine, codeine, and eight other abused drugs.
• Benchmark the 3-minute total test time against other rapid on-site drug detection methods for oral fluid.

Strengths

• Specific sensitivity of 4.0 ng ml-1 for the target metabolite 6-monoacetylmorphine.
• No cross-reactivity reported with ten specific drugs of abuse, including morphine and codeine.
• Rapid total test time of 3 minutes for on-site application.

Limitations

• Dataset scope and structure (e.g., number of samples, raw measurements) are not described.
• The method's performance is described qualitatively via color change; quantitative calibration data may be limited.
• Potential for geographic or demographic bias in sample collection is unknown.

Provenance

Source

Dryad

Collection Method

Experimental data from a lateral flow strip immunoassay using gold nanoparticles on oral fluid samples.

Freshness

Last updated in June 2020.