Abstract: Formula (I): Where R1 is an optionally substituted C3-C12 hydrocarbyl group (preferably a cyclic alkyl group), an optionally substituted heterocyclic group, an optionally substituted aromatic group or an optionally substituted heteroaromatic group; R is a C(O)yR? group (preferably forming an optionally substituted C2-C5 acyl group), or a S(O)xR? group, where y is 0 or 1 and x is 0, 1 or 2 and R? is H or an optionally substituted C1-C12 alkyl group, or R? is an optionally substituted C5-C12 cycloalkyl group, an optionally substituted heterocyclic group, an optionally substituted aromatic group or an optionally substituted heteroaromatic group; R5, R6, R7, R8, R9 and R10 are each independently selected from H, an optionally substituted C1-C12 hydrocarbyl group, including a C5-C12 cycloalkyl group, an optionally substituted heterocyclic group, an optionally substituted aromatic group or an optionally substituted heteroaromatic group, or R5 and R6, R7 and R8 or R9 and R10 together form a keto (C?O) group; RN is H

Abstract: The present invention provides methods and kits for determining whether a human subject is infected with T. pallidum, and isolated fragments of T. pallidum protein Tp92 that can be used in the methods and kits of the invention.

Abstract: The present invention relates to compounds according to the formula (I): Where RA is a C1-C10 substituted or unsubstituted linear, branch-chained or cyclic alkyl or alkenyl group or a phenyl group according to the formula (II): RB is a C1-C10 substituted or unsubstituted linear, branch-chained or cyclic alkyl or alkenyl group or a phenyl group of the formula (III): R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are each independently selected from H, C1-C10 (preferably a C1-C4) alkyl or alkenyl group, CF3, F, Cl, Br, I, CN, NO2, NH2, NHR, NRR, COR (acyl group), OR (hydroxyl or ether group), CO2R (carboxylic acid or ester group), or COSR (thioester group) where R is H or a C1-C10 (preferably a C1-C4) alkyl or alkenyl group, an unsubstituted or substituted aryl (preferably, phenyl) or heterocycle group, or a (IV) group, where R3 is H, a C1-C10 (preferably a C1-C4) alkyl, alkenyl, ether or a thioether group; and R11 and R12 are independently selected from H or a C1-C3 alkyl or alkenyl group, or a pharmaceutically ac