AccuSift provides high-performance β-lactam receptor competitive assay pairings, characterized by exceptional batch-to-batch consistency and optimized for IVD kit development (Lateral Flow, Chemiluminescence, ELISA, POCT). These pairings offer high affinity and specificity, facilitating rapid detection.The β-lactam receptor (β-lactams receptor) is a class of specialized proteins on the bacterial cell membrane, belonging to the Penicillin-Binding Proteins (PBPs) family. It serves as the target for β-lactam antibiotics. Its core function is to recognize and bind β-lactam antibiotics (e.g., penicillins, cephalosporins), disrupting the synthesis of bacterial cell wall peptidoglycan, ultimately leading to bacterial lysis and death.
Product SE123 Performance Characteristics:
•Sensitivity: ELISA IC50: 0.5 ppb; Colloidal Gold Visual Cut-off: 5 ppb
•Cross-Reactivity:
1.Penicillin G: IC50 0.1 ppb; Colloidal Gold 0.5–1 ppb
2.Ampicillin: IC50 0.2 ppb; Colloidal Gold 1–2 ppb
3.Amoxicillin: IC50 0.2 ppb; Colloidal Gold 1–2 ppb
4.Oxacillin: IC50 0.3 ppb; Colloidal Gold 2–3 ppb
5.Cloxacillin: IC50 0.3 ppb; Colloidal Gold 3–4 ppb
6.Dicloxacillin: IC50 0.3 ppb; Colloidal Gold 2–3 ppb
7.Nafcillin: IC50 0.5 ppb; Colloidal Gold 5–10 ppb
8.Cefacetrile: IC50 1 ppb; Colloidal Gold 10–15 ppb
9.Cefoperazone: IC50 0.5 ppb; Colloidal Gold 4–5 ppb
10.Ceftriaxone: IC50 3 ppb; Colloidal Gold 20–30 ppb
11.Ceftiofur: IC50 4 ppb; Colloidal Gold 30–40 ppb
12.Cefalonium: IC50 0.2 ppb; Colloidal Gold 1–3 ppb
13.Cefquinome: IC50 1 ppb; Colloidal Gold 10–15 ppb
14.Cephapirin: IC50 1 ppb; Colloidal Gold 10–15 ppb
15.Cefalexin: IC50 50 ppb; Colloidal Gold 500 ppb
Product SR734 Performance Characteristics:
•Sensitivity: ELISA IC50: 0.5 ppb; Colloidal Gold Visual Cut-off: 5 ppb
•Cross-Reactivity (IC50, ppb; CR%):
1.Ampicillin: IC50 2.0; CR 100.00%
2.Benzylpenicillin: IC50 1.0; CR 200.00%
3.Cloxacillin: IC50 2.0; CR 100.00%
4.Dicloxacillin: IC50 2.0; CR 100.00%
5.Cefoperazone: IC50 2.0; CR 100.00%
6.Cefalonium: IC50 2.0; CR 100.00%
7.Cefamandole: IC50 2.0; CR 100.00%
8.Cefepime: IC50 2.0; CR 100.00%
9.Penicillin V potassium: IC50 2.5; CR 80.00%
10.Amoxicillin: IC50 4.0; CR 50.00%
11.Procaine penicillin: IC50 5.0; CR 40.00%
12.Cefathiamidine: IC50 5.0; CR 40.00%
13.Cefapirin: IC50 5.0; CR 40.00%
14.Oxacillin: IC50 5.0; CR 40.00%
15.Cefquinome: IC50 5.0; CR 40.00%
16.Moxalactam: IC50 5.0; CR 40.00%
17.Cefalotin: IC50 5.0; CR 40.00%
18.Cephalothin: IC50 5.0; CR 40.00%
19.Meropenem: IC50 5.0; CR 40.00%
20.Nafcillin: IC50 10.0; CR 20.00%
21.Ertapenem: IC50 10.0; CR 20.00%
22.Cefotaxime: IC50 20.0; CR 10.00%
23.Cefuroxime: IC50 20.0; CR 10.00%
24.Ceftriaxone: IC50 20.0; CR 10.00%
25.Cefazolin: IC50 20.0; CR 10.00%
26.Cefaclor: IC50 25.0; CR 8.00%
27.Cefixime: IC50 25.0; CR 8.00%
28.Cefoxitin: IC50 25.0; CR 8.00%
29.Cefacetrile: IC50 25.0; CR 8.00%
30.Ceftiofur: IC50 25.0; CR 8.00%
31.Cefalexin: IC50 100.0; CR 2.00%
32.Cefadroxil: IC50 100.0; CR 2.00%
33.Cephradine: IC50 500.0; CR 0.40%
•Source: Mouse Monoclonal Antibody
•Purity: ≥ 90%
•Recommended Pairing: Coating Antibody / Tracer Antibody
•Storage: Long-term storage at ≤ –20°C; short-term storage at 2–8°C. Shipped on ice packs.
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