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Neuroimaging as a means for validating whether a stimulus such as advertisement, communication, or product evokes a certain mental response such as emotion, preference, or memory, or to predict the consequences of the stimulus on later behavior such as consumption or purchasing.

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Class 436/527 - Glass or silica


Subclass of Class 436 - Chemistry: analytical and immunological testing
Definition: Subject matter in which the carrier is glass or silica.
No. of patents: 953
Last issue date: 05/01/2012


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NumberTitleIssue Date
4108974Radioimmunoassay for thyroid hormone
The method of this invention is characterized by the use of hydrolyzed cross-linked polyacrylamide particles to which have been bonded, by means of covalent bonds, antibiodies against the thyroid hormone to be determined. The particles selected are of a s...
08/22/1978
4098876Reverse sandwich immunoassay
Method of determining the presence and/or concentration of a polyvalent antigenic substance in a fluid. The method comprises the steps of incubating the fluid with labeled antibodies to the substance to form a first labeled immunochemical complex and then...
07/04/1978
4097586Immunochemical assay method
Haptens and antigen derivatives are coupled, through an azo bond, to proteins to form a conjugated material. The conjugate is injected into laboratory animals to raise antibodies which are useful in immunochemically assaying for the original haptens and a...
06/27/1978
4092116Method for binding antibodies to a surface such that they remain active
In carrying out an immunological reaction or diagnostic test, an immunologically inert organic compound of sufficient quantity is added to an aqueous medium containing an immunologically reactive antigen. A substrate is then treated with the aqueous mediu...
05/30/1978
4067959Indirect solid surface test for antigens or antibodies
An indirect method for the quantitation of an antigen or antibody in a liquid sample. In the antigen assay, antigen of the same type as the sample antigen is adsorbed onto a solid support surface. Then, specific labelled antibody is immunologically reacte...
01/10/1978
4059685Immobilized immunoadsorbent
An immobilized immunoadsorbent for use in immunoassay and radioimmunoassay procedures includes, in a preferred form, a mass of superficially porous refractory particles having a water insoluble polymer, such as dextran, bonded thereto. The polymer in turn...
11/22/1977
4053284Continuous flow apparatus for biological testing
A test apparatus for conducting diagnostic tests on body fluids, said apparatus having (1) a reaction vessel containing immunochemical test reagents supported as on beads and (2) a washing means cooperating with the reaction vessel, said washing means sup...
10/11/1977
4052504Assay for thyroxine binding globulin
Method of determining the concentration of thyroxine binding globulin (TBG) in a fluid sample. The method comprises the steps of adding to the sample an excess amount of thyroxine (T4) and then analyzing the sample for T4 via immunoa...
10/04/1977
4052010Suspendable porous glass particles
An aqueous suspension of porous glass particles having a closely controlled average particle size within the range of about 0.7 to about 3.0 microns. The controlled particle size porous glass particles are prepared by initially milling course porous glass...
10/04/1977
4050895Optical analytical device, waveguide and method
A device for detecting a first material comprising (a) a waveguide having on a peripheral surface of the waveguide a second material which on contacting the first material selectively combines with the first material to measurably change the light transmi...
09/27/1977
4046870Assay for free thyroid hormones
Method for determining the concentration of free (unbound) thyroid hormones (T3 or T4) in a fluid sample. The method comprises the steps of performing an immunoassay for total T3 or total T4 in the presence and ...
09/06/1977
4036823Barbituric acid antigenic conjugates, their preparation, antibodies and use
Antigenic barbituric acid conjugates are produced by coupling the hapten acid through its 3-position to an immunogenic carrier. The antigens thus produced can be used to raise antibodies in animals, the antibodies being specific to the barbituric acid hap...
07/19/1977
4034073Composite for biased solid phase radioimmunoassay of triiodothyronine and thyroxine
Immunochemical composites consisting of saturating amounts of radio-labelled triiodothyronine (T3) or thyroxine (T4) complexed respectively to anti-T3 or anti-T4 antisera covalently coupled to suspendable porous...
07/05/1977
4034072Serum hepatitis test
Reagent and method for detecting the presence of hepatitis associated antigen (HAA) in blood serum. The reagent comprises anti-HAA antibodies coupled via an intermediate silane to a plurality of siliceous particles having a surface area of at least about ...
07/05/1977
4032626Reagent and method for TBG assay
The concentration of thyroxine binding globulin (TBG) in a fluid sample can be determined via radioassay technique with an immunochemical composite comprising anti-TBG antibodies immobilized on a water-insoluble carrier. The composite is incubated with th...
06/28/1977
4024235Detection and quantitation of viral antibodies
Method of detecting and/or quantitating anti-virus antibodies comprising the steps of reacting serum containing an unknown amount of a given antibody, a known amount of the antibody (radioactively labelled), and a composite consisting of the antibodies co...
05/17/1977
4022878Methods and compounds for producing specific antibodies
This invention relates to a novel method of producing purified antibodies which are truly specific for native homologous hapten or antigen by administering artificial antigens as described therein to an antibody producing host followed by isolation and pu...
05/10/1977
4020151Method for quantitation of antigens or antibodies on a solid surface
A method for quantitation of antigens or antibodies from a liquid sample on a solid surface. The sample is first sorbed directly to a nonimmunological surface. Then the surface is exposed to antibody or antigen labelled preferably with a fluorogen, to cau...
04/26/1977
4016146Phenethylamine antigenic conjugates, their preparation, antibodies, and use
Antigenic phenethylamine conjugates are produced by blocking the amine of the phenethylamine hapten with a group, coupling of the phenethylamine to a carrier, and removal of the blocking group. Specific phenethylamines useful in this invention are ampheta...
04/05/1977
4014651Method for determining thyroid function and reagent composition therefor
A complete and self-contained in vitro diagnostic reagent composition for use in determining thyroid function comprises a buffered aqueous suspension of finely divided, amorphous silicon dioxide, having combined therewith a nonionic surfactant and a thyro...
03/29/1977
4009005Apparatus for radioimmunoassay with regeneration of immunadsorbent
Apparatus for radioimmunoassay provides a continuously reusable short cycle analytical system of particular use in biochemical analysis such as the determination of steroids, hormones, polypeptides, viruses, vitamins, drugs, and the like. The apparatus di...
02/22/1977
3995022Serial preparation of narrow traces of cellular biological fluids
Apparatus and method are described for preparing a narrow trace of physiological fluid on a substrate from a discrete fluid pool. The trace so produced is substantially identical to traces manually prepared in that they are characterized by distinct macro...
11/30/1976
3983000Bonding proteins to inorganic supports
Proteins such as enzymes or antibodies can be immobilized in a biologically active state on various inorganic supports via an intermediate residue of o-dianisidine....
09/28/1976
3975511Solid phase radioimmunoassay
Method of determining the concentration of a substance in a solution which comprises the steps of incubating the solution with a known amount of radioactively labelled substance and a suspendable composite consisting of anti-substance antibody coupled che...
08/17/1976
3955923Serologic reaction method
A method for detecting the end point in immunochemical and serodiagnostic tests involving agglutination is described wherein the test is carried out on a curved slide having a curvature sufficient to produce a discernible pattern at the end point....
05/11/1976
3949064Method of detecting antigens or antibodies
This disclosure concerns a solid phase method for detecting antigens or antibodies. An unknown sample is contacted with two sources of solid phase antigen. By treating each source in a particular manner it is possible to determine if the sample contains a...
04/06/1976
3939350Fluorescent immunoassay employing total reflection for activation
Receptors are employed to which one or more fluroescent molecules are bound. When the receptors are bound to the epitopic sites on the surface and light of predetermined wave length is directed toward the surface, the fluorescing molecules are activated a...
02/17/1976
3933997Solid phase radioimmunoassay of digoxin
Clinically significant concentrations of digoxin can be determined by reacting an unknown amount of digoxin, a known amount of labelled digoxin, and a composite consisting of anti-digoxin antibodies coupled through an intermediate silane to magnetically r...
01/20/1976
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