Oral Fluid Drug Screening


Contract Services

Oranoxis™ provides comprehensive biotechnology services including contract R&D for immunoassay development and contract manufacturing for lateral flow immunoassay products. The primary purpose of our contract services is to utilize our resources and expertise to response to our clients' toughest assay development obstacles and challenges. We have the capability to undertake small and large scale projects, whether at the earliest stages of product conceptualization and technical development or at later stages of process development, implementation, and improvement. We provide our services collaboratively or independently, depending on a client's needs. Our clients include pharmaceutical companies, biotechnology companies, and research laboratories. We are committed to customer satisfaction and will maintain close contact with you throughout the project to ensure your satisfaction. For price quotations or service inquiries, please contact us.


Assay Development Services

  • New Immunoassay Platform Development
  • Immunoassay R&D and Problem Solving
  • Lateral Flow Immunoassays
  • Enzyme-Linked Immunosorbent Assay (ELISA)
  • Immunohistochemical/Immunohistofluorescent Assay


Conjugation Services

  • Small Molecule Conjugation to Carrier Protein
  • Solid Material Surface Modification and Crosslinking
    to Antibody or Protein
  • Bifunctional Antibody Crosslinking
  • Fluorescent Labeling

Consulting Services

  • Immunoassay R&D
  • Quality Control Methods
  • Process Development, Optimization, and Scale-Up
  • Production and Manufacturing
  • Troubleshooting


Nanoparticle Technology Services

  • Nanoparticle Conjugation to Antibody or Protein
  • Microvolume Protein or Cell Separation by
    Antibody-labeled Nanoparticles
  • Gold Nanoparticle Solution Preparation (gold particles
    are 20-60 nm in diameter)