Qualitative urine ketone body test
The addition of sodium nitrosoferrocyanide to urine containing ketone bodies resulted in the appearance of a purple ring when it was dissociated from the ammoni
Knowledge Base
Laboratory Protocols & SOPs Library
3,200+ step-by-step lab protocols and SOPs for cell culture, staining, PCR, protein work and microbiology, with reagents, conditions and evaluation criteria.
3228 articles
Dry chemical reagent strip method for urine protein detection experiment
Heating can denature the protein and solidify it, and adding acid can make the protein close to the isoelectric point, which can lead to the precipitation of th
Experimental detection of urinary protein by sulfosalicylic acid method
Sulfosalicylic acid is an alkaloidal reagent, the cation of the protein amino group on the acidic sulfonate ion combines to form an insoluble protein salt preci
Experimental detection of urinary protein by heated acetic acid method
Heating can denature the protein and solidify it, and adding acid can make the protein close to the isoelectric point, which can lead to the precipitation of th
Urinary Sediment Test Laboratory
Lab Notes: 1. The fresh pH value of urine should be below 6. 2, the examined urine SG in 1.026 or less, such as <1.016 for hypotonic urine easy to destroy
Phenylketonuria qualitative screening test
Phenylpyruvic acid reacts with trivalent iron ions to produce a blue color, interfering with the color development and causing a false-negative reaction of the
Latex coagulation system inhibition assay for human chorionic gonadotropin assay
There are latex agglutination test and blood inhibition test, radioimmunoassay (RIA), enzyme-linked immunosorbent assay (ELISA), monoclonal antibody colloidal g
Enzyme immunoassay for human chorionic gonadotropin assay
In recent years, enzyme immunoassay technology has developed rapidly. The methods of HCG detection are endless. At present, the detection methods applying enzym
Fecal direct smear assay
1, clean slides with isotonic saline for 1-2 d, selecting abnormal parts of the feces, or selecting different parts of the feces to be directly smeared. 2. It