Radioimmunoassay (RIA)

NTBIO's RIA tests are extremely sensitive and specific assays that can measure concentrations of your target molecule. This interaction is visualized with radioactivity.

Calcium-Phosphorus Metabolism

Name Description Measurement Range
BGP Bone Gla-protein 1-36 mg/L

Cardiovascular System

Name Description Measurement Range
TXB-2 Thromboxane 50-1600 pg/ml
6-Keto-PGF1α 6-Keto-Prostaglandin F1α 50-1600 pg/ml


Name Description Measurement Range
IL-2 Interleukin 2 1.2-81 ng/ml
TNF-a Tumor Necrosis Factor Alpha 1-16 ng/ml
IGF-1 Insulin-like Growth Factors 10-500 ng/ml


Name Description Measurement Range
Ins Insulin 5-400 µIU/ml
C-P C-Peptide 0.25-20 ng/ml
GLU Glucagon 50-800 pg/ml

Digestive System

Name Description Measurement Range
CG Glycocholic Acid 0.5-50 nmol/ml
IV-C Type IV Collagen 25-1000 µg/L
LN Laminin 40-1000 µg/L
HA Serum Hyaluronate 25-800 ng/ml

Kidney Function

Name Description Measurement Range
β2-MG β2-Microglobulin 5-500 ng/ml
α1-MG α1-Microglobulin 10-400 ng/ml
IgG Immunoglobulin G 1-20 µg/ml
ALB Urinary Albumin 0.2-16 µg/ml

Reproductive Hormones

Name Description Measurement Range
LH Human Luteinizing Hormones 5-200 mIU/ml
FSH Follicle-Stimulating Hormones 5-200 mIU/ml
PRL Prolactin 5-200 ng/ml
E2 Estradiol 10-2000 pg/ml
PROG Progesterone 0.1-100 ng/ml
TESTO Testosterone 10-2000 ng/dl
HCG Human Chorionic Gonadotropin 10-2000 mIU/ml
HCG-β Human Chorionic Gonadotropin-β 1.5-200 mIU/ml
HPL Human Placenta Lactogen 5-200 ng/ml

Thyroid Function

Name Description Measurement Range
T3 Triiodothyronine 0.5-8 ng/ml
FT3 Free Triiodothyronine 0.8-100 pmol/L
T4 Thyroxine 1-20 µg/dl
FT4 Free Thyroxine 0.4-100 pmol/L
TSH Thyroid-Stimulating Hormone 1-50 µIU/ml
HS-TSH High Sensitivity Thyroid-Stimulating Hormone 0.1-100 µIU/ml
rT3 Reverse Triiodothyronine 0.2-6.4 nmol/L
TG Thyroglobulin 10-160 ng/ml
Anti-TG Ab Antithyroglobulin Antibodies P/T>2.1
Anti-TM Ab Anti-Microsomal Antibodies P/T>2.1
Anti-TPO Ab Anti-Thyroid Peroxidase Antibodies 1.0-2000 IU/ml

Tumor Markers

Name Description Measurement Range
AFP Alpha-Fetoprotein 5-900 ng/ml
CEA Carcinoembryonic Antigen 5-80 ng/ml
PSA Prostate Specific Antigen 1-100 ng/ml
FER Ferritin 10-500 ng/ml
CA50 Cancer Antigen 50 10-160 U/ml
CA19-9 Carbohydrate Antigen 19-9 10-200 U/ml
CA125 Cancer Antigen 125 10-500 U/ml
CA15-3 Cancer Antigen 15-3 5-500 U/ml
CA242 Cancer Antigen 242 10-200 U/ml
CA21-1 CYFRA21-1 1-60 ng/ml

For more information, please contact us, or request a quote.