Samuel Amberg

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Different phenylalkyl backbone modified antisense oligonucleotides complementary to the Hepatitis C virus (HCV) RNA nucleotides 326-342 were synthesized. The lipohilic character of modified oligonucleotides was determined from RP-HPLC retention times. The inhibitory effect of these antisense oligonucleotides on HCV gene expression was analyzed in an in(More)
There exists a far-reaching analogy between the cutaneous trichophytin reaction and the cutaneous tuberculin reaction. Both indicate that the organism is the seat of a definite infection or that it has passed through such an infection. Both may persist for a long time after the active disease has come to rest, indicating that the infection has left the(More)
Phenylalkyl modified phosphoramidites (alkyl chain length n = 1, 2, 3, 5; Fig. 1) were synthesised and incorporated into a DNA hexamer (5'-d(GCCp-GCG); p = place of modification). The obtained diastereomeres were separated by RP-HPLC. After hybridisation with the complementary DNA strand Tm-value and thermodynamic data were measured. The stability of(More)
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