PtClasses

PtClasses

Radioimmunoassay (RIA)

RADIOIMMUNOASSAY Introduction: – Used to determine the concentrations of antigen present in the blood serum of the patient. Principle:- It is best on competitive binding between the Rio levels antigen (hot antigen) and unlebeled antigen (cold Antigen) with selected antibody…

Determination of urobilinogen in urine

Determination of Urobilinogen Principle: – Urobilinogen reacts with para dimethyl amino benzaldehyde in an acidic medium (in Ehrlich reagent) to form pink colored compound appearance of pink color indicate the presence of urobilinogen in Urine. Method: – Ehrlich’s method  Requirement:…

Determination of occult blood in urine

occult blood in urine  The chemical method detects free hemoglobin and myoglobin. occult blood in urine Principle of occult blood in urine:- The peroxidase activity of hemoglobin in urine decomposes hydrogen peroxide and oxidized benzidin to form a green-blue color…

Determination of ketone bodies in urine

occult blood in urine

 Ketone body determination in urine  Method :- Rothera test  Principle:-  Nitroprusside used for this test reacts with both acetone and acetoacetic acid in the presence of alkali to produce a purpled Coloured.. –Requirement:- Test tube pipette Test babe back. Liquor…

Determination of Glucose in urine

determination of glucose in urine Name of the test – Benedicts, qualitative Test  principle of the test:-  5ml of a qualitative reagent is heated with an eighth drop (0.5ml) of urine, glucose present in urine reduces the Cupric ion’s presence…

ELISA (Enzyme linked immuno sorbent assay )

Serological and Immunological techniques used in the diagnosis of Microbial Infection. Enzyme-Linked Immunosorbent Assay (ELISA):- The term ELISA was introduced by Engvall and Perlmann in 1971 to describe a subset of the widely used immunoassay technique. It is a highly…

Distilled water preparation

Distilled water preparation Introduction:- -Distilled water is a water distillation used to prepare distilled water by using tap water. It is practically free from the interfering ion. principle – water has been boiled by the heating coil changed into vapor…

Flame photometery

Flame photometry Introduction:- Flame photometer is an Instrument defined as the measurement of intensity of the light emitted when ony earth metal is introduce in to the flame Based on the element present in the sample it produce emission spectra and…