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TABLE 2.   Inactivation of HIV-1 by treatment with C31G and SDS Microbicide and concn (%) during treatment or cell % Cells expressing -gal genea No. of cells counted C31G    5 × 102 (toxic) 0, 0 >5 × 104    2.5 × 102 0, 0 >5 × 104   1.25 × 102 0, 0 >5 × 104   6.25 × 103 19 ± 6.1, 19 ± 6.4 1,080, 805     2.5 × 103 22 ± 7.4, 29 ± 8.1 1,620, 1,820  SDS    5 × 102 0, 0 >5 × 104    2.5 × 102 0, 0 >5 × 104   1.25 × 102 24 ± 3.2, 24 ± 10 2,810, 2,190    6.25 × 103 10 ± 1.7, 15 ± 2.1 2,390, 2,290     2.5 × 103 9 ± 5.5, 11 ± 3.5 1,940, 1,910  Mock infected cells 0, 0 >5 × 104 HIV-1-infected cells 17 ± 4.8, 24 ± 5.4 2,680, 1,480 a Data are for duplicate wells. Five random fields of cells were counted in each plate displaying blue cells. Duplicate plates were assayed for each sample; individual numbers are plus or minus the standard deviation within five fields of one plate.

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