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tech@sbsbio.com
from China, for the World
for
S
uperior
B
iology
S
ervices since
2000
Home
Product
All Products
Custom Services
Catalog Products
Innovative Systems
Nucleic Acid Related
Natural Compounds
Synthetic Biology
Enzymes
POCT Solution
LAMP
RPA
CRISPR
DNA-Free Enzymes
Freeze-Drying System
Lateral Flow System
About
About SBS
Achievements
Ecosystem
Legal Statement
Contact
…
Home
Product
All Products
Custom Services
Catalog Products
Innovative Systems
Nucleic Acid Related
Natural Compounds
Synthetic Biology
Enzymes
POCT Solution
LAMP
RPA
CRISPR
DNA-Free Enzymes
Freeze-Drying System
Lateral Flow System
About
About SBS
Achievements
Ecosystem
Legal Statement
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All Categories - SBS Genetech - for Superior Biology Services since 2000
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DNA-Free Enzymes
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TPO Antigen
Thyroid peroxidase (TPO) is a glycosylated hemoprotein located on the apical membrane of thyroid follicular cells, playing a pivotal role in thyroid hormone synthesis. TPO antibodies are autoantibodies generated by the immune system during thyroid hormone synthesis. These antibodies can mediate cytotoxic effects, resulting in thyroid tissue destruction, and are considered hallmark markers of autoimmune thyroid diseases.
$1,200.00
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T4 Antibody
Thyroxine (T4) is a thyroid hormone containing four iodine atoms, secreted by the thyroid gland. Upon entering the bloodstream, a small portion of T4 remains in its free form, referred to as FT4, while the majority binds to thyroid-binding proteins. The total T4 (TT4) represents the combined concentration of both free and bound forms. To measure TT4, the releasing agent 8-anilino-1-naphthalenesulfonic acid (ANS) is employed to dissociate T4 from its binding proteins, converting it into free T4 for accurate detection.
$240.00
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HumanThyroxine, BSA Conjugated (T4-BSA)
Thyroxine (T4) is a tetraiodinated thyronine and a thyroid hormone secreted by the thyroid gland. Upon entering the bloodstream, a small portion of T4 remains in its free form, known as FT4, while the majority binds to thyroid-binding proteins. The total T4 (TT4) represents the combined concentration of both free and bound forms. To measure TT4, the releasing agent 8-anilino-1-naphthalenesulfonic acid (ANS) is used to dissociate T4 from its binding proteins, converting it into free T4 for detection.
$600.00
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T3 Antibody
Triiodothyronine (T3) is a triiodinated derivative of tyrosine. A small portion of T3 is directly synthesized by the thyroid gland, while the majority is generated through the deiodination of thyroxine (T4) in peripheral tissues. In the bloodstream, a minor fraction of T3 remains in its free form, referred to as FT3, while the majority binds to thyroid-binding proteins. The total T3 (TT3) represents the combined concentration of both free and bound forms. To measure TT3, the releasing agent 8-anilino-1-naphthalenesulfonic acid (ANS) is employed to dissociate T3 from its binding proteins, converting it into free T3 for accurate detection.
$240.00
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HumanTriiodothyronine, BSA Conjugated (T3-BSA)
Triiodothyronine (T3) is a triiodinated tyrosine derivative. A small portion of T3 is directly secreted by the thyroid gland, while the majority is converted from thyroxine (T4) in peripheral tissues. Upon entering the bloodstream, a small fraction of T3 remains in a free state, known as free T3 (FT3), while the majority binds to thyroid-binding proteins. The total T3 (TT3) represents the sum of both free and bound forms. To measure TT3, the releasing agent 8-anilino-1-naphthalene sulfonic acid (ANS) is used to dissociate T3 from its binding proteins, converting it into free T3 for detection.
$600.00
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TSH Antibodies
Thyroid-stimulating hormone (TSH) is a glycoprotein secreted by the pituitary gland, composed of α and β subunits. TSH stimulates the synthesis and secretion of thyroid hormones and serves as a crucial indicator of thyroid function.
$240.00 - $300.00
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TSH Antigen
Thyroid-stimulating hormone (TSH), a glycoprotein secreted by the anterior pituitary gland, is composed of α and β subunits. This hormone plays a crucial role in regulating the synthesis and secretion of thyroid hormones, making it a vital biomarker for assessing thyroid function.
$900.00
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CHI3L1 Antibodies
Chitinase 3-like protein 1 (CHI3L1) is a monomeric glycosylated protein composed of 383 amino acids with a molecular weight of 42.6 kDa, belonging to the glycosyl hydrolase family. While it can bind to chitin, it lacks chitinase enzymatic activity. CHI3L1 plays a significant role in inflammation and tissue remodeling. Elevated serum levels of CHI3L1 have been observed in patients with alcoholic cirrhosis (Johansen, J. S., et al., 2000). Furthermore, studies by Kamal et al. have demonstrated that blood levels of CHI3L1 are associated with chronic hepatitis C virus infection and liver fibrosis (Kamal, et al., 2006).
$120.00 - $450.00
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CHI3L1 Antigen
Chitinase 3-like protein 1 (CHI3L1) is a member of the glycohydrolase family. Although it can bind to chitin, it lacks chitinase enzymatic activity and plays a significant role in inflammation and tissue remodeling. CHI3L1 exhibits tissue-specific expression, with particularly high levels in the liver. Its expression is markedly elevated in conditions such as cirrhosis and liver fibrosis, making it a potential biomarker for assessing the severity of these conditions. The detection of CHI3L1 is characterized by high specificity and sensitivity, and its serological measurement offers a safe and non-invasive diagnostic approach.
$600.00
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CysC Antibodies
Cystatin C (CysC) is a low-molecular-weight (13.3 kDa) non-glycosylated protein that belongs to the cystatin protease inhibitor family. Produced at a constant rate by all nucleated cells, CysC is freely filtered through the glomerular membrane in the kidneys. It is subsequently reabsorbed and fully catabolized by the proximal renal tubules, without re-entering the bloodstream. As a result, CysC serves as an ideal marker for assessing glomerular filtration rate (GFR).
$6.00 - $150.00
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CysC Antigen
Cystatin C (CysC) is a cysteine protease inhibitor, also referred to as gamma-microprotein or gamma-postglobulin. It is a low-molecular-weight, alkaline, non-glycosylated protein that is produced at a constant rate by all nucleated cells in the body. Circulating cystatin C is exclusively cleared by glomerular filtration, making it an endogenous marker that accurately reflects changes in the glomerular filtration rate (GFR). After filtration, it is reabsorbed in the proximal tubule, where it is completely metabolized and does not re-enter the bloodstream. Consequently, its blood concentration is solely determined by glomerular filtration and is unaffected by external factors such as sex, age, or diet. This makes cystatin C an ideal endogenous marker for assessing changes in GFR.
$600.00
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NGAL Antibodies
Neutrophil gelatinase-associated lipocalin (NGAL) is a novel lipid transport protein (also known as lipocalin) discovered by Kjeldsen et al. in 1993 during their research on the 92 kDa gelatinase, MMP-9, in neutrophils. With a molecular weight of 25 kDa, NGAL consists of 198 amino acids, the first 20 of which form a signal peptide. It is expressed in neutrophils and epithelial cells of various tissues and organs, including renal tubules. Under normal conditions, NGAL is present at low levels in urine and blood. However, during kidney injury, NGAL expression is significantly upregulated and secreted into body fluids. As a result, NGAL is recognized as a new biochemical marker for early renal injury. Compared to creatinine (Cr) detection, NGAL measurement is more specific in assessing the severity of acute kidney injury (AKI), and its sensitivity demonstrates a statistically significant difference (P<0.001).
$150.00
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NGAL Antigen
Neutrophil gelatinase-associated lipocalin (NGAL) is expressed in neutrophils and epithelial cells of various tissues and organs, including renal tubules. Under normal conditions, NGAL maintains low levels in urine and blood. However, during kidney injury, NGAL expression is significantly upregulated and released into body fluids. As a result, NGAL is recognized as a novel biochemical marker for early renal injury. The measurement of NGAL levels can reflect the severity of acute kidney injury, with the sensitivity of the NGAL assay showing significant differences (P<0.001).
$600.00
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HCG Antigen
Human Chorionic Gonadotropin (HCG) is a glycoprotein hormone consisting of α and β subunits. The α subunit is common to pituitary hormones and shares a similar composition and structure with the α subunits of human pituitary LH, FSH, and TSH, potentially leading to cross-reactivity. In contrast, the β subunit is relatively specific and serves as an accurate indicator of HCG levels in blood and urine. HCG is primarily produced by trophoblastic cells. During normal pregnancy, it binds to LH receptors, promoting the development of the corpus luteum and thereby sustaining pregnancy. In clinical practice, the interaction between its α subunit and LH is leveraged for ovulation induction therapy, while the specificity of the β subunit is utilized for disease diagnosis, monitoring, and treatment evaluation.
$600.00
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β-HCG Antigen
Human Chorionic Gonadotropin (HCG) is a glycoprotein hormone consisting of α and β subunits. The α subunit is common to pituitary hormones and exhibits a similar composition and structure to the α subunits of human pituitary LH, FSH, and TSH, which may result in potential cross-reactivity. In contrast, the β subunit is relatively specific and serves as an accurate indicator of HCG levels in blood and urine. HCG is primarily synthesized by trophoblastic cells. During normal pregnancy, it binds to LH receptors, stimulating the development of the corpus luteum and thereby supporting pregnancy maintenance. In clinical practice, the interaction between its α subunit and LH is leveraged for ovulation induction therapy, while the specificity of the β subunit is utilized for disease diagnosis, monitoring, and treatment evaluation.
$480.00
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AMH Antibodies
Anti-Müllerian hormone (AMH) is a 140 kDa glycoprotein, consisting of disulfide-linked homologous dimers, and is a member of the transforming growth factor-β (TGF-β) family within the superfamily of growth and differentiation factors. In males, AMH is secreted by immature Sertoli cells in the testes, while in females, it is produced by granulosa cells of preantral and small antral follicles in the ovaries. AMH plays a crucial role in the regression of Müllerian ducts during development. Importantly, AMH is widely regarded as one of the most reliable biomarkers for evaluating ovarian reserve function.
$300.00
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AMH Antigen
Anti-Müllerian hormone (AMH) is a 140 kDa glycoprotein composed of disulfide-linked homologous dimers, belonging to the transforming growth factor-β (TGF-β) family within the superfamily of growth and differentiation factors. In males, AMH is produced by immature Sertoli cells in the testes, while in females, it is secreted by granulosa cells of preantral and small antral follicles in the ovaries. AMH plays a critical role in the regression of Müllerian ducts during development. Notably, AMH is recognized as one of the most reliable biomarkers for assessing ovarian reserve function.
$600.00
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ATⅢ Antibodies
Antithrombin III (AT III) is a plasma protein and a pivotal member of the anticoagulant system. It plays an essential role in anticoagulation by inhibiting the activity of thrombin and other coagulation factors, thereby regulating the body's coagulation system and preventing thrombus formation. The primary function of AT III is to bind to coagulation factors during the clotting process, effectively inhibiting thrombus formation and halting the progression of coagulation reactions. Abnormal levels of AT III are often linked to thrombotic disorders or bleeding tendencies, making it a critical biomarker for assessing coagulation function and the risk of thrombosis.
$1,350.00
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THR Antibody
Thrombin is a critical protease that plays a central role in the blood coagulation process and clot formation. It is an active enzyme derived from prothrombin (coagulation factor II) through cleavage at the thrombin cleavage site. Thrombin catalyzes the conversion of fibrinogen into fibrin and activates plasma prothrombin to generate additional thrombin, thereby initiating thrombus formation and the clotting cascade. While thrombin is essential for normal clotting mechanisms, dysregulation of its activity—whether excessive or insufficient—can result in bleeding disorders or thrombotic conditions.
$1,350.00
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tPAIC Antigen
tPAIC (tissue-type plasminogen activator and plasminogen activator inhibitor-1 complex) is a 1:1 complex formed by tissue-type plasminogen activator (tPA) and plasminogen activator inhibitor-1 (PAI-1). It serves as a comprehensive indicator of fibrinolytic system dysfunction and vascular endothelial cell damage, making it a significant biomarker in the process of venous thrombosis. Elevated levels of tPAIC are closely associated with various cardiovascular diseases, including atherosclerosis, coronary heart disease, essential hypertension, deep vein thrombosis, pulmonary thromboembolism, and cerebral thrombosis. Furthermore, tPAIC is a sensitive marker for evaluating the efficacy of anticoagulation or thrombolytic therapy, as well as for the screening and diagnosis of hemorrhagic disorders.
$1,950.00
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