摘要:
The present invention is concerned with the use of aniline derivatives of the general formula: ##STR1## wherein R.sup.1 is a hydrogen atom or a --(CH.sub.2).sub.n --X radical, in which n is a whole number of from 1 to 3, X is H, OH, NH.sub.2, CH.sub.3 CONH, CH.sub.3 SO.sub.2 NH, COOH, SO.sub.3 H or --ArSO.sub.3 H, Ar being an optionally substituted arylene radical, m is a whole number of from 2 to 4, R.sup.3 is a hydrogen atom, an alkyl radical containing up to 3 carbon atoms, OCH.sub.3, CH.sub.3 CONH, COOH or SO.sub.3 H and R.sup.4 is a hydrogen, chlorine or bromine atom or a carboxylic acid or sulphonic acid group, as coupling components in oxidative color formation reactions.The present invention also provides an agent for the analytical determination of oxidizing substances by oxidative color coupling which, as coupling component, contains at least one compound of general formula (I).
摘要:
The invention relates to derivatives of hepatitis C virus amino acid sequences. These derivatives can be used to screen samples, such as blood, to determine if antibodies to hepatitis C virus are present.
摘要:
Fluorinated aniline derivatives of the general formula I are described ##STR1## in which R.sup.1 represents H or (CH.sub.2).sub.n -X, n is a whole number from 1 to 3, X is H, OH, NH.sub.2, CH.sub.3 CONH, CH.sub.3 SO.sub.2 NH, SO.sub.3 H or ArSO.sub.3 H, Ar is optionally substituted arylene radical, R.sup.1 is alternatively also a --(CH.sub.2).sub.3 -- group, which is bonded to the free o-position next to the N-atom, Y is H, --O--, --NH--, --S-- or a C--C single bond, R.sup.2, in the event that Y=H, is the same as or different from R.sup.1 and means one of the radicals shown for R.sup.1, and in the event that Y is a C--C single bond or --O--, --NH-- or --S--, is an alkylene group having 1 to 3 carbon atoms linked with Y, and R.sup.3 =H, alkyl having 1 to 3 carbon atoms, OCH.sub.3, CH.sub.3 CONH, CO.sub.2 H or SO.sub.3 H.The compounds of formula I form as coupling components together with the conventional color couplers a very sensitive chromogenic system which is suitable for the analytical determination of oxidizing substances, for example for the determination of H.sub.2 O.sub.2 and POD in body fluids.
摘要:
The present invention provides aminopyrazolinones of the general formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3, which can be the same or different, are straight-chained or branched alkyl radicals containing up to 6 carbon atoms and together containing at most 8 carbon atoms.The present invention also provides a process for the preparation of these new aminopyrazolinones and reagents containing them. In addition, the present invention is concerned with the use of these new aminopyrazolinones as a color coupler for the detection of hydrogen peroxide.
摘要:
The present invention provides resorufin derivatives of the general formulae: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5, which can be the same or different, are hydrogen, halogen, carboxyl, carboxamido, lower alkoxycarbonyl, cyano or nitro groups or lower alkyl or lower alkoxy radicals, which can be substituted by carboxyl, carboxamido, lower alkoxycarbonyl, cyano or nitro groups, and wherein R.sup.4 and R.sup.5 can together also represent an anellated aromatic residue, Z is a bridge member, A is the residue of a ligand and n is a whole number of from 1 to 200.The present invention also provides processes for the preparation of these resorufin derivatives, as well as intermediates for the preparation thereof.
摘要:
The present invention provides resorufin derivatives of the general formulae: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5, which can be the same or different, are hydrogen, halogen, carboxyl, carboxamido, lower alkoxycarbonyl, cyano or nitro groups or lower alkyl or lower alkoxy radicals, which can be substituted by carboxyl, carboxamido, lower alkoxycarbonyl, cyano or nitro groups, and wherein R.sup.4 and R.sup.5 can together also represent an anellated aromatic residue, Z is a bridge member, A is the residue of a ligand and n is a whole number of from 1 to 200.The present invention also provides processes for the preparation of these resorufin derivatives, as well as intermediates for the preparation thereof.
摘要:
The present invention provides phenolsulphonphthaleinyl-.beta.-D-galactosides of the general formula: ##STR1## wherein R.sup.1 to R.sup.4, which can be the same or different, are hydrogen or halogen atoms or nitro or amino groups, R.sup.5 to R.sup.12, which can be the same or different, are hydrogen or halogen atoms or lower alkyl, hydroxyl, lower alkoxy, carboxyl or nitro groups and M.sup.+ is a proton, an alkali metal, alkaline earth metal or ammonium ion.The present invention also provides a process for preparing these galactosides and diagnostic agents containing them.
摘要:
The present invention relates to a reagent for digestion of hemoglobin comprising a buffer, pepsin and a 1,3-dialkyl-imidazolium salt. It also discloses to the use of this reagent in a method for digesting hemoglobin, in a method for detecting HbA1c, and to a sampling tube for collection of a whole blood sample comprising said reagent for digesting hemoglobin.
摘要:
A method and reagent for detecting an analyte by a redox reaction and a fluorimetric determination, is disclosed. The method comprises contacting a sample containing the analyte with a detection reagent which contains a compound of the general formula Q-F as a fluorimetric redox indicator, wherein Q is a quencher group and F is a fluorophore group.
摘要:
The present invention relates to novel chemiluminescent compounds, to a method for synthesizing these compounds, to derivatives and conjugates comprising these compounds, to the use of these compounds or conjugates thereof in chemiluminescence based assays, especially in immunoassays.