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4789702 Feline leukemia virus vaccine  
Polypeptides that are synthesized or expressed directly in microorganisms, include an amino acid sequence that is homologous to at least a portion of gp70 envelope protein of FELV, and are...
4788058 B. pertussis vaccine production using carbodiimides  
The present invention provides a method of preparing a substantially non-toxic immunogenic preparation of pertussis toxic comprising treatment of pertussis toxin with a carbodiimide. The...
4785080 Labeled analytes  
A highly sensitive, immunoassay method for determining the amount of an analyte in a sample containing a known analyte in an unknown concentration is provided. Sample; a polypeptide-labeled analog...
4784955 Immunogen conjugates and the use thereof in a dihydropyridine assay  
Disclosed are 1,4-dihydropyridine immunogen conjugates of immunogenic carrier materials coupled to a 1,4-dihydropyridine derivative. Said conjugates are useful for the preparation of antibodies...
4780408 Antibody for detection and quantification of trifluralin  
An antibody specific to trifluralin can be produced by first substituting a soluble, straight chain amino acid for a propyl group of α,α, α-trifluoro-2,6-dinitro-N-N-dipropyl-p-toluidine. The...
4780312 Birth control vaccine  
A polyvalent vaccine for control of fertility is disclosed, the vaccine having a multiplicity of determinant antigens in the reproductive system of mammals, the antigens being linked to at least...
4772548 Radioisotopicassay using isotope transfer to chelator-target recognition molecule conjugate  
A method of forming a therapeutic or diagnostic agent labeled with a radioactive metal ion, which comprises: contacting an unlabeled therapeutic or diagnostic agent, consisting of a substantially...
4771127 Nontoxic pseudomonas aeruginosa polysaccharide-tetanus toxoid and polysaccharide-toxin a conjugate vaccines  
Polysaccharide-protein conjugates were synthesized utilizing polysaccharide derived from hydrolyized Pseudomonas aeruginosa lipopolysacharide covalently coupled to either tetanus toxoid or P....
4767609 Therapeutic and diagnostic processes using isotope transfer to chelator-target recognition molecule conjugate  
A method of forming a therapeutic or diagnostic agent labeled with a radioactive metal ion, which comprises: contacting an unlabeled therapeutic or diagnostic agent, consisting of a substantially...
4762915 Protein-liposome conjugates  
A lipid coupling reagent for use in coupling amine-containing molecules, such as proteins, to liposomes. The reagent includes phosphatidylethanolamine coupled to a 3-20 atom carbon-containing...
4762710 Novel method of preparing toxoid by oxidation and metal ions  
A method of preparing toxoid by treating a toxin with an oxidizing agent is described. Preparation of a vaccine against pertussis in accordance with the method is illustrated.
4752638 Synthesis and use of polymers containing integral binding-pair members  
Conjugate monomers, polymers, and methods for the de novo synthesis of the polymers are provided. Conjugate organic monomers contain binding-pair members which upon polymerization become integrally...
4749566 Pharmaceutical composition comprising a combination of at least one immunotoxin and at least one mannose-containing polymer  
The invention relates to pharmaceutical compositions comprising a combination of at least one immunotoxin and at least one mannose-containing polymer. This combination makes it possible to inhibit...
4745180 Solubilization of proteins for pharmaceutical compositions using heparin fragments  
A pharmaceutical composition is prepared wherein a biologically active conjugated protein which is β-interferon, interleukin-2, or an immunotoxin is dissolved in an aqueous carrier medium without...
4740476 Immunoassay for estriol-3-sulfate  
A process for producing an antibody having a specificity to estriol-3-sulfate, which comprises administering a 6-substituted-estriol-3-sulfate protein conjugate of the formula: ##STR1## wherein A...
4727136 Modified meningococcal group B polysaccharide for conjugate vaccine  
The group B polysaccharide of Neisseria meningitidis is chemically modified to enhance the immune response thereto, thereby providing cross-reactive antibodies of high affinity. The N-acetyl group...
4720385 Protein compositions substantially free from infectious agents  
Compositions containing therapeutically or immunologically active proteins are rendered substantially free from infectious agents such as viable viruses and bacteria without substantial loss of...
4714759 Immunotoxin therapy of allergy  
A product and process for treating allergy are described. An immunotoxin specific for the IgE isotype is used to eliminate the IgE producing B-lymphocytes responsible for allergy.
4707352 Method of radioactively labeling diagnostic and therapeutic agents containing a chelating group  
A method of forming a therapeutic or diagnostic agent labeled with a radioactive metal ion, which comprises: contacting an unlabeled therapeutic or diagnostic agent, consisting of a substantially...
4701323 Vaccines for counteracting inhibition of neutrophil degranulation  
Vaccines for counteracting inhibition of neutrophil degranulation by pathogenic cellular microorganisms comprise one or more purines conjugated to antigenic carriers. The purines include adenine...
4698420 Antibody hybrid molecules and process for their preparation  
Antibodies which contain reduced sulfhydryl groups in proximity of the carboxyl terminal end of their heavy chain are coupled to another moiety which has an available sulfhydryl for forming a...
4695624 Covalently-modified polyanionic bacterial polysaccharides, stable covalent conjugates of such polysaccharides and immunogenic proteins with bigeneric spacers, and methods of preparing such polysaccharides and conjugates and of confirming covalency  
Covalently modified bacterial polysaccharides and proteins; covalent conjugates of such polysaccharides linked by a bigeneric spacer, which permits proof of covalency and facilitates purification...
4694074 Process for the purification of HBsAg  
A process for the purification of HBsAg is disclosed, which comprises adsorbing specifically on a carrier, in the presence of an inorganic salt in an amount of 5 to 25 W/V %, an HBsAg obtained by...
4683135 DSCG binding protein and process for preparing same  
According to the present invention there is provided an essentially pure protein found in nature in mast cells and in basophiles, which protein is involved in the transfer of calcium into such...
4642335 Anthracycline compounds bound to hydrophilic polypeptides  
This invention relates to an antitumor composition of anthracycline compounds bonded to hydrophilic polypeptides having a molecular weight between 10,000 and 15,000.
4615884 Method and vaccine for treatment of demyelinating diseases  
Inactivated staphylococcal alpha toxin which is in a detoxified immunogenically active form prepared as a vaccine and administered parenterally to patients having multiple sclerosis or other...
4609707 Synthesis of polymers containing integral antibodies  
A method is disclosed for the de novo synthesis of antibody-containing polymers and the preparation of a class of polymerizable compounds used in the synthesis of such antibody-containing polymers....
4608252 Chloramphenicol derivatives antigens and antibodies  
Chloramphenicol derivatives are provided for use in the preparing of antigen conjugates for the production of antibodies specifically for chloramphenicol. Specifically, the aryl amino group is...
4599197 Purification and activity assurance of precipitated heterologous proteins  
A heterologous expression product in host cells is separated from the host cell material by suspending the material in a buffered solution, disrupting the cells and separating the product as...
4598064 Alpha-alpha cross-linked hemoglobins  
Blood substitute and blood plasma expanders comprising alpha-alpha cross-linked stroma-free hemoglobin, which is substantially free of hemoglobin derivatives modified at other sites. The hemoglobin...
4597967 Synthetic polypeptide fragments  
Peptide fragments of streptococcal M protein named CB3, CB4, and CB5 and related synthetic peptides have been identified. When linked to a protein carrier which is polylysine the conjugates of CB3,...
4596768 Antibodies for penicilloic acid their preparation and use  
Conjugates of penicilloic acid derivatives and certain poly(amino acids), which are either antigenic or enzymatic, are provided. Antibodies raised against the antigenic poly(amino acids) and the...
4591573 Sensitive radioimmunoassay using antibody to L-hyoscyamine  
A sensitive and specific radioimmunoassay is developed for L-hyoscyamine ulting from atropine administration with which a concentration as low as 25 pg/ml using 0.1 ml of sample can be measured...
4585740 Prolactin immunoassay using synthetic peptide  
A peptide having the formula ##STR1## is synthesized. The peptide is conjugated, e.g., with bis-diazotized benzidine, at its C-terminus to a carrier, such as bovine serum albumin, to form a...
4565643 Antifreezing agent  
An antifreezing agent used in an aqueous medium system comprising a protein which is enzymatically modified with covalent incorporation of an amino acid ester. The antifreezing agent can keep an...
4551275 Desmethylimipramine derivatives and poly(amino acid) conjugates  
Desmethylimipramine functionalized compounds are provided for conjugation to antigenic compounds, particularly poly(amino acids) and enzymes. The antigenic conjugates are employed for the...
4550019 Manufacture and use of fowl egg antibodies  
Immunological preparations are prepared by immunizing hens with an immunogen having a molecular or particle weight of at least 30,000, to a stage of hyper-immunization at which there occurs a...
4544640 Anti immune complex antibody for determining SLE, rheumatoid arthritis or tetanus  
An antibody is obtained by using as an antigen a complex of an antigen and the F(ab') 2 fragment of the human antibody of this antigen or an aggregate of the F(ab') 2 fragment of human...
4533493 Theophylline immunogens, antibodies, labeled conjugates, and related derivatives  
Theophylline immunogens, antibodies prepared therefrom, labeled theophylline conjugates, synthetic intermediates, and the use of such antibodies and labeled conjugates in immunoassays for...
4530786 Antibody for the detection and quantification of atrazine  
This invention relates to an antibody capable of both specifically detecting and quantifying minute quantities of the herbicide, atrazine, left in biological samples, such antibody having been made...
4521510 Hybridoma cell lines and monoclonal antibodies to theophylline  
Monoclonal antibodies to theophylline having 5% or less cross-reactivity with caffeine and the continuous hybrid monoclonal cell lines for their production are provided. These antibodies are useful...
4500637 Prevention of graft versus host disease following bone marrow transplantation  
A monoclonal antibody known as TA-1 directed against human T-cells is covalently linked to the toxin ricin and used to treat human donor bone marrow before the marrow is infused into a human...
4496479 Chloramphenicol derivatives, antigens and antibodies  
Chloramphenicol derivatives are provided for use in preparing antigen conjugates for the production of antibodies specific for chloramphenicol. Specifically, the aryl group is derivatized with a...
4495281 Tricyclic antidepressant drug immunogens, antibodies, labeled conjugates, and related derivatives  
Tricyclic antidepressant drug (e.g., imipramine, desipramine, amitriptyline, or nortriptyline) immunogens, antibodies prepared therefrom, labeled conjugates, synthetic intermediates, and the use of...
4493793 Soluble immunoassay reagent comprising lectin covalently bonded to reactive component  
A lectin is covalently bonded to an immunological conjugate such as an antibody-antigen or its equivalent. Then, the lectin-conjugate is isolated from the reaction product mixture by one of a...
4490473 Labeled antibodies and methods  
Sandwich immunoassays are provided wherein an anti-analyte antibody is coupled with a detector labeled antibody, the anti-analyte antibody being substituted with a N,N,N-trimethylammoniumphenyl...
4488991 Bacterial toxoids and gram-negative immune globulin therefrom  
ADP-Ribosylating toxins are rendered enzymatically inactive by reactions with photolabile affinity reagents. The toxoids retain the antigenic and immunogenic properties of the original toxins....
4486344 Urea-linked immunogens, antibodies, and preparative method  
Immunogen conjugates comprising amino-functionalized haptens coupled through a carbonyl bridge to amino groups in immunogenic proteins and polypeptides. The resulting simple urea linkage in the...
4485177 Creatinine specific antibody  
The present invention provides a creatinine antibody and a process for the preparation thereof, wherein a conjugate of creatinine and a material suitable for antiserum formation, which are...
4481136 Alkyl substituted fluorescent compounds and conjugates  
Fluorescent antigen conjugates are provided comprising antigens covalantly bonded to at least one 2,7-dialiphatic substituted-9-phenyl-6-hydroxy-3H-xanthen-3-one, wherein the 1- and 8-positions are...