A. Guthrie test.
B. Sodium nitroprusside test.
C. Blot test.
The disorder shown in the picture above represents Phenylketonuria as the child is showing the features of microcephaly, blonde hair.
It is a rapid screening test.
Certain strains of bacillus subtilis need phenylalanine as an essential growth factor.
Bacteria cannot grow in a medium devoid of phenylalanine.
Bacterial growth is proportional to the phenylalanine content in the patient’s blood.
Good to know:
- Ferric chloride Test: Phenyl ketones in urine can be detected by this test. A transient blue-green color is a positive test.
- Nitroprusside Test is used for the colour reaction of amino acid Sulfhydryl group (Cysteine.)