Lateral Flow Antibodies & Antigens

Validated LFA Antibodies & Antigens for Rapid Test Development

Developing reliable rapid tests is challenging. Cross-reactivity, inconsistent sensitivity, signal instability, and batch variability can slow your progress and compromise results. At Arista Biologicals, we eliminate these obstacles with a rigorously validated portfolio of antibodies, antigens, colloidal gold conjugates, and control reagents, all engineered for superior consistency and manufacturability.

From drugs of abuse and infectious disease to reproductive hormones, tumor markers, and serum proteins, our solutions help you achieve sharper lines, stable signals, and reproducible performance from R&D through high-volume production. Plus, with custom conjugation services and a reliable bulk supply chain, we ensure your lateral flow assays meet the highest standards.

COVID-19 antigen rapid test cassette with nasal swab and buffer tube on purple background

Why Choose Arista Biologicals

Validated for LFA: Antibodies, antigens, and conjugates optimized for lateral flow rapid tests with proven sensitivity and specificity.
Consistency You Can Trust: Batch-to-batch reliability for scalable production and global demand.
Custom Solutions: Colloidal gold conjugation, reagent matching, and purification tailored to your biomarkers.
Decades of Expertise: 30+ years in rapid diagnostics with technical support to reduce false positives and enhance signal stability.
Reliable Supply Chain: Bulk availability to keep your point-of-care test manufacturing on track.

Download the 5 Reasons for Selecting Arista Lateral Flow Antibodies

Booklet: 5 Reasons for Selecting Antibodies and Antigens from Fortis for Your Lateral Flow Assay

Your Rapid Test Development Challenges, Solved.

Purple dropper dispensing liquid onto a rapid lateral flow test cassette

Infectious Disease

Rapid response is critical, but sensitivity often suffers. Our antibodies and antigens for COVID-19, HIV, Influenza, Malaria, and more enable accurate point-of-care diagnostics when time matters most.

Various pregnancy and lateral flow test strips and cassettes on a light blue background

Reproductive Hormones

Variability in fertility and pregnancy tests can impact trust. Our optimized hCG, LH, FSH, and Alpha-subunit reagents provide sharp lines and reproducibility for confident results.

Blue-gloved hand holding a white rapid test cassette showing C, T, and S lines

Control Reagents

Batch variability can compromise QC. Our standardized positive and negative controls simplify validation and maintain consistency across production runs.aaaaaaaaaaaaaaaa

3D illustration of coronavirus particles with gold spike proteins on a dark background

Colloidal Gold

Signal instability and poor line clarity slow development. Our ready-to-use conjugates and custom labeling options deliver vibrant lines and scalable performance for high-volume LFA manufacturing.

Gloved hand holding a CEA tumor marker rapid test cassette over a lab request form

Tumor Markers

Cancer biomarker tests demand precision. Our validated CA125, CEA, AFP, and PSA antibodies and antigens support dependable detection in rapid test formats.

Blue-gloved hands inserting a blood sample into a rapid test cassette

Serum Protein Markers

Cardiac, inflammation, and anemia tests require speed and accuracy. Our CRP, Troponin reagents are fine-tuned for high specificity and rapid POC turnaround.

Multi-drug test panel strips with an orange cassette box on white background

Drugs of Abuse

False positives and detection limits can derail screening accuracy. Our antibodies and antigens for cocaine, opioids, THC, and amphetamines ensure dependable results—even in complex samples.

Glass test vial filled with blood labeled Hemoglobin A1C on a blue bokeh background

Hematological Markers

Our hematological markers support rapid, point-of-care assessment of anemia and long-term glycemic control through precise detection of hemoglobin and hemoglobin A1.

Antibody Impact on Lateral Flow Assay Performance | Inside Precision Medicine

Sponsored article: Antibody Impact on Lateral Flow Assay Performance by Fortis Life Sciences

Additional Resources

Control Line Systems for Lateral Flow Assays

Lateral Flow Assay Tests for Detecting Drugs of Abuse

Lateral Flow Assay Reagent Request

Talk With An Expert

Trust our high-quality lateral flow assay antibodies, antigens, and conjugates to support reliable performance and ensure dependable results for the clinical decisions that rely on your assays.