[LAB] Precipitation Flashcards
INTERACTION BETWEEN A SOLUBLE ANTIGEN AND ANTIBODY IN CORRECT PROPORTIONS RESULTING IN A VISIBLE INSOLUBLE COMLEX
PRECIPITATION
PRECIPITINOGEN
ANTIGEN
PRECIPITIN
ANTIBODY
PRECIPITATE
INSOLUBLE COMPLEX FORMED
IS THERE STILL LATICE FORMATION IN A PRECIPITATION REACTION
YES
STAGES OF PRECIPITATION
SENSITIZATION
LATTICE FORMATION
IG THAT IS BETTER AT PRECIPITATING AB
IGG
IG THAT IS BETTER AT AGGLUTINATING AB
IGM
NON PRECIPITATING IG
IGE
IGD
ORDER OF BEST PRECIPITINS
MOST TO LEAST
IGG
IGM
IGA
FOR LATTICE FORMATION TO OCCUR, THE AG AND AB HAVE TO AT LEAST BE
BIVALENT
TEMPERATURE AT WHICH RAPID PRECIPITATION OCCURS
40-45C
TEMPERATURE FOR COMPLETE PRECIPITATION TO OCCUR
0-4C
PH AT WHICH PRECIPITATION REACTIONS OCCUR
PH 6-7.5
EFFECT OF SALT ON THE SOLUBILITY OF AG-AB COMPLEXES
INCREASES SOLUBILITY
SALT CONCENTRATION USED TO INCREASE SOLUBILITY
1.5 M
RELATIONSHIP OF AVIDITY AND DISSOCIATION
THE HIGHER THE AVIDITY OF THE AB
THE LESSER THE TENDENCY TO DISSOCIATE AND DISSOLVE
RATIO OF ANTIGEN DILUTION TO ANTIBODY DILUTION
EQUIVALENCE POINT
POINT AT WHICH THERE IS LITTLE OR NO DIFFERENCE IN THE AMOUNT OF PRECIPITATION
ZONE OF EQUIVALENCE
RATIO OF AG TO AB WHERE REACTION IS MOST RAPID
OPTIMUM PROPORTION
ZONE OF ANTIGEN EXCESS
PROZONE
ZONE OF INHIBITION
ZONE IN WHICH THE SUPERNATANT CONTAINS FREE ANTIGENS
PROZONE
ZONE OF INHIBITION
ZONE IN WHICH THE SUPERNATANT CONTAINS FREE ANTIGENS
POSTZONE
ZONE OF ANTIBODY EXCESS
POSTZONE
ALL AG AND AB ARE INVOLVED IN THE FORMATION OF PRECIPITATION
OPTIMUM PROPORTION
NEITHER FREE AG OR AB CAN BE DETECTED
OPTIMUM PROPORTION
[DEAN AND WEBB OR RAMON PROCEDURE]
AG IS DILUTED AND ADDED TO K AMOUNTS OF AB
DEAN AND WEBB
[DEAN AND WEBB OR RAMON PROCEDURE]
DETECTS THE SMALLEST AMOUNT OF AG THAT CAN GIVE A VISIBLE REACTION
DEAN AND WEBB
[DEAN AND WEBB OR RAMON PROCEDURE]
PROZONE: AG EXCESS
POSTZONE: AB EXCESS
DEAN AND WEBB
[DEAN AND WEBB OR RAMON PROCEDURE]
ALPHA PROCEDURE
DEAN AND WEBB
[DEAN AND WEBB OR RAMON PROCEDURE]
AB IS DILUTED AND ADDED TO K AMUNTS OF AG
RAMON
[DEAN AND WEBB OR RAMON PROCEDURE]
PRECIPITATION OCCURS IN A MUCH NARROWER RANGE OF REACTANT SILUTIONS
RAMON
[DEAN AND WEBB OR RAMON PROCEDURE]
DETECTS THE SMALLEST AMOUNT OF AB THAT WILL CAUSE A PRECIPITATION REACTION
RAMON
[DEAN AND WEBB OR RAMON PROCEDURE]
PROZONE: AB EXCESS
POSTZONE: AG EXCESS
RAMON
MAJOR DETERRENT TO THE USE OF FLUID PRECIPITATION TESTS
ZONING PHENOMENON
[TRUE OR FALSE]
ALL AG AND AB HAVE THE SAME OPTIMUM PROPORTION
FALSE
THEY VARY
PHENOMENON WHERE AB-AG PRECIPITATE DOES NOT EXHIBIT REVERSE SOLUBILITY
DANSYZ PHENOMENON
PRECIPITATION TECHNIQUES IN A LIQUID MEDIUM
INTERFACIAL TEST
RING TEST
PRECIPITATION TECHNIQUES IN A GEL MEDIUM
OUDIN
RID
OAKLEY & FULTHORPE
OUCHTERLONY
APPLICATIONS OF THE FLUID PRECIPITATION
ASCOLI TEST
LANCERFIELD SEROLOGICAL TYPING
FORENSIC
CRP
BEST TEST FOR CRP
REVERSE PASSIVE AGGLUTINATION TEST
PRINCIPLE OF PRECIPITATION IN A GEL MEDIUM
SOLUBLE MOLECULES (AG AND AB) REACTIS IN AGAR GEL OR OTHER SEMISOLID MEDIA UNTIL THEY REACH THEIR EQUIVALENCE TO FORM A STABLE PRECIPITATE
FORM OF PRECIPITATE IN A GEL MEDIUM
BAND
LINE
EXAMPLES OF GEL MEDIA
AGAR
AGAROSE GEL
POLYACRYLAMIDE GEL
EXAMPLES OF NON-GEL MEDIA
CELLULOSE ACETATE
REFERS TO THE REACTANT MOVING
DIFFUSION
REFERS TO TEH DIRECTION OF THE REACTANT’S MOVEMENT
DIMENSION
DESCRIBE THE SINGLE DIFFUSION REACTION
ONE REACTANT IS MOVING TOWARDS THE OTHER REACTANT
DESCRIBE THE DOUBLE DIFFUSION REACTION
BOTH REACTANTS ARE DIFFUSING TOWARDS EACH OTHER
DESCRIBE THE SINGLE DIMENSION REACTION
ONLY ONE EFFECTIVE DIRECTION
DESCRIBE THE DOUBLE DIMENSION REACTION
DIFFUSION IN MULTIPLE OR ALL DIRECTIONS