An official website of the United States government. Here's how you know
Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Federal Bureau of Investigation Federal Bureau of Investigation

Gartside Table 3

Table 3. Results of the Semen Stains on Cotton Cloth

Dilution

OneStep ABA Cardâ p30

w/water

Seratecâ PSA Semiquant #1

w/water

Seratecâ PSA Semiquant #2

w/water

Seratecâ PSA Semiquant #1

w/HEPES

Seratecâ PSA Semiquant #2

W/HEPES

Straight Semen

+

+   T > q

+   T > q

+   T > q

+   T > q

1:10

+

+   T > q

+   T > q

+   T > q

+   T > q

1:50

+

+   T = Q

+   T = Q

+   T > q

+   T > q

1:100

-

+   t < Q

+   t < Q

+   T > q

+   T > q

1:250

-

+   t < Q

+   t < Q

+   t < Q

+   t < Q

1:500

-

+   t < Q

+   t < Q

+   t < Q

+   t < Q

1:1,000

-

+   t < Q

+   t < Q

+   t < Q

-

1:2,500

-

-

+   t < Q

-

-

1:5,000

-

-

-

-

-

1:10,000

-

-

-

-

-

Negative Control (sterile water or HEPES only)

-

-

-

-

-