Top 10 IVD Magnetic Bead Manufacturers Serving Australia 2026

Quick Answer: Top 10 IVD Magnetic Bead Manufacturers Serving Australia

The top 10 IVD magnetic bead manufacturers and specialist suppliers serving Australia in 2026 are:

1. Thermo Fisher Scientific

2. SANYU GROUP

3. Cytiva

4. Merck / Estapor

5. JSR Life Sciences

6. Bangs Laboratories

7. Polysciences

8. Spherotech

9. Revvity

10. DiaSorin Luminex

These companies provide magnetic beads for chemiluminescence immunoassays, electrochemiluminescence immunoassays, magnetic ELISA, molecular diagnostics, DNA and RNA extraction, NGS workflows, protein purification, cell separation and multiplex diagnostic testing.

This ranking is an editorial comparison based on publicly available product information reviewed in 2026. It considers IVD relevance, magnetic bead chemistry, application range, customization, automation compatibility, quality documentation, OEM support and potential commercial supply to Australian customers.

“Manufacturers serving Australia” includes international manufacturers whose magnetic bead products may be supplied to Australian IVD companies, pathology laboratories, biotechnology businesses and research institutions. It does not mean that every company manufactures magnetic beads inside Australia.

SANYU ranks second and is the only Chinese magnetic bead manufacturer included in this ranking.

Top 10 IVD Magnetic Bead Manufacturers at a Glance

Why IVD Magnetic Beads Matter in Australia

Magnetic beads are increasingly important in modern diagnostic systems because they allow biological targets to be captured, washed and separated using an external magnetic field.

This removes many centrifugation and filtration steps and makes magnetic bead chemistry highly compatible with automation.

Australian diagnostic developers and pathology laboratories may use magnetic beads for:

• Chemiluminescence immunoassays;

• Electrochemiluminescence immunoassays;

• Magnetic ELISA;

• DNA and RNA extraction;

• Viral nucleic acid purification;

• NGS sample preparation;

• mRNA isolation;

• Protein purification;

• Antibody capture;

• Cell separation;

• Multiplex testing;

• Automated pathology workflows.

Thermo Fisher describes Dynabeads as magnetic separation particles for cells, proteins and biological targets, while Cytiva positions Sera-Mag beads for molecular and immunodiagnostic applications requiring rapid magnetic response and high binding capacity.

What Counts as an IVD Magnetic Bead Manufacturer?

The term “IVD magnetic bead manufacturer” can describe several different supplier types.

Raw Magnetic Bead Manufacturers

Raw-bead manufacturers supply uncoated or chemically functionalized particles that diagnostic companies can further modify.

Typical surfaces include:

• Carboxyl;

• Amino;

• Hydroxyl;

• Epoxy;

• Tosyl;

• Silica;

• Streptavidin;

• Protein A;

• Protein G.

These products provide the most flexibility for manufacturers developing proprietary IVD reagents.

Pre-Coated Magnetic Bead Suppliers

Pre-coated particles may already contain:

• Streptavidin;

• Avidin;

• Protein A;

• Protein G;

• Antibodies;

• Oligo(dT);

• Oligonucleotide probes.

These products can reduce assay-development time but may provide less control over coating density and blocking.

Magnetic Extraction Platform Suppliers

Some suppliers combine beads with:

• Lysis buffers;

• Binding buffers;

• Wash solutions;

• Elution buffers;

• Prefilled consumables;

• Automated extraction instruments.

These systems are especially relevant to pathology and molecular diagnostic laboratories.

Multiplex Magnetic Bead Platforms

Encoded magnetic beads contain fluorescent or optical signatures that identify individual bead populations.

DiaSorin Luminex MagPlex beads, for example, are superparamagnetic carboxylated microspheres capable of supporting up to 500 distinct bead regions in xMAP multiplex assays.

How We Ranked the Manufacturers

IVD Application Relevance

Priority was given to manufacturers with products relevant to:

• CLIA;

• ECLIA;

• Magnetic ELISA;

• Molecular diagnostics;

• Nucleic acid extraction;

• NGS;

• Multiplex testing;

• Cell separation;

• Protein purification.

Surface Chemistry Portfolio

A broad surface chemistry portfolio gives assay developers more options for biomolecule immobilization.

Important surfaces include:

• Carboxyl;

• Amino;

• Hydroxyl;

• Epoxy;

• Tosyl;

• Silica;

• Streptavidin;

• Protein A;

• Protein G;

• Oligo(dT).

Magnetic Performance

Relevant physical properties include:

• Particle diameter;

• Particle-size distribution;

• Magnetic content;

• Separation speed;

• Sedimentation;

• Pellet compactness;

• Redispersibility;

• Surface area;

• Colloidal stability.

Customization Capability

Commercial IVD manufacturers may require customized:

• Particle diameter;

• Functional-group density;

• Magnetic response;

• Biomolecule coating;

• Solids concentration;

• Suspension buffer;

• Package volume;

• OEM labeling.

Quality Documentation

Important supplier documentation may include:

• Certificate of analysis;

• Product specification;

• Quality-system certification;

• Lot traceability;

• Stability information;

• Change-notification procedure;

• Quality agreement.

Supply to Australia

The ranking also considers:

• Australian product availability;

• Regional distribution;

• International shipping;

• Evaluation samples;

• Commercial quantities;

• OEM support;

• Long-term scale-up.

1. Thermo Fisher Scientific

Thermo Fisher Scientific ranks first because its Dynabeads platform combines broad magnetic bead chemistry with established diagnostic, research and commercial manufacturing support.

Its Australian site provides access to the Dynabeads magnetic separation portfolio for cells, proteins and other biological targets.

Main Magnetic Bead Technologies

Relevant Dynabeads technologies include:

• Carboxyl magnetic beads;

• Epoxy magnetic beads;

• Tosyl-activated beads;

• Streptavidin beads;

• Protein A beads;

• Protein G beads;

• Antibody-coated beads;

• Oligo(dT) beads;

• Silane magnetic beads;

• Custom OEM products.

Best Applications

Thermo Fisher is particularly suitable for:

• CLIA and ECLIA;

• Magnetic ELISA;

• Molecular diagnostics;

• Viral DNA and RNA extraction;

• Streptavidin-biotin assays;

• Cell separation;

• Antibody purification;

• NGS sample preparation;

• OEM diagnostic reagents.

Main Advantages

Potential advantages include:

• Uniform particle properties;

• Strong magnetic response;

• Broad surface chemistry;

• Extensive protocols;

• Established OEM support;

• Australian commercial presence;

• Global manufacturing infrastructure.

Why Thermo Fisher Ranks First

Thermo Fisher combines the breadth of a large life-science supplier with highly established magnetic bead technology.

For Australian developers working on automated diagnostic platforms, the ability to source multiple chemistries from one supplier can reduce development complexity.

What Australian Buyers Should Confirm

Confirm:

• Catalog or OEM status;

• RUO or further-manufacturing designation;

• Particle diameter;

• Surface-group density;

• Ligand-binding capacity;

• Bulk package size;

• Local stock;

• Commercial lead time;

• Quality agreement;

• Formal change notification.

2. SANYU GROUP

SANYU GROUP from China， manufactures magnetic beads and functional microspheres for IVD, POCT, immunoassays, molecular diagnostics and bioseparation.

Main Magnetic Bead Technologies

SANYU offers:

• Carboxyl magnetic beads;

• Silica magnetic beads;

• Streptavidin magnetic beads;

• Tosyl magnetic beads;

• Nanoscale magnetic particles;

• Micron-scale magnetic particles;

• Customized functional magnetic beads.

Its current 100 nm carboxyl magnetic bead product is specifically positioned for immunoassay development, CLIA and diagnostic reagent manufacturing, using surface COOH groups for EDC/NHS coupling of antibodies, proteins and other biomolecules.

The broader SHBC carboxyl magnetic bead platform is positioned for CLIA, molecular diagnostics, immunoprecipitation, cell separation and nucleic acid capture.

Carboxyl Magnetic Beads

Carboxyl beads are particularly relevant to:

• CLIA;

• ECLIA;

• Magnetic immunoassays;

• Antibody conjugation;

• Antigen immobilization;

• Protein coupling;

• Oligonucleotide immobilization.

Silica Magnetic Beads

SANYU also supplies silica magnetic beads for:

• Viral DNA extraction;

• Viral RNA extraction;

• Genomic DNA purification;

• Total nucleic acid extraction;

• Automated molecular diagnostic workflows.

Streptavidin Magnetic Beads

Streptavidin-coated particles can capture biotinylated:

• Antibodies;

• Antigens;

• Proteins;

• Oligonucleotides;

• DNA probes.

Customization Capability

Potential customization options include:

• Particle diameter;

• Particle-size distribution;

• Magnetic content;

• Carboxyl-group density;

• Silica surface;

• Streptavidin loading;

• Solids concentration;

• Suspension buffer;

• Package size;

• OEM labeling.

Why SANYU Ranks Second

SANYU ranks second because it covers both immunodiagnostic and molecular diagnostic bead categories and provides factory-direct customization.

For Australian IVD manufacturers, this can be attractive when the project requires:

• Custom particle size;

• Non-standard surface chemistry;

• Pilot quantities;

• Bulk manufacturing;

• OEM supply;

• Alternative-source qualification.

What Australian Buyers Should Confirm

Request:

• Lot-specific certificate of analysis;

• Particle-size report;

• Size CV;

• Magnetic response;

• Surface functional-group density;

• Solids concentration;

• Suspension stability;

• Coupling protocol;

• DNase/RNase controls for extraction beads;

• Quality-system documents;

• Commercial manufacturing capacity;

• Change-notification terms.

3. Cytiva

Cytiva ranks third because the Sera-Mag platform is specifically positioned for molecular and immunodiagnostic applications and offers multiple bead chemistries.

Cytiva states that Sera-Mag particles combine rapid magnetic response with high binding capacity and are suitable for automation and high-throughput research and diagnostic workflows.

Main Magnetic Bead Technologies

Sera-Mag products include:

• Carboxylate-modified magnetic particles;

• Sera-Mag SpeedBeads;

• Streptavidin beads;

• Blocked streptavidin particles;

• Oligo(dT) beads;

• Protein A/G beads;

• Silica-coated SeraSil-Mag beads.

Cytiva also provides dedicated products for nucleic acids and proteins through its magnetic bead portfolio.

Carboxylate-Modified Beads

Sera-Mag carboxylated particles allow covalent ligand attachment.

SpeedBeads are designed to provide a faster magnetic response, which may shorten separation and wash steps.

Oligo(dT) Magnetic Particles

Sera-Mag Oligo(dT) particles are designed for mRNA isolation and support applications such as RT-PCR and cDNA library construction.

Main Applications

Cytiva is particularly suitable for:

• CLIA;

• Magnetic immunoassays;

• Streptavidin-biotin assays;

• DNA/RNA purification;

• mRNA isolation;

• NGS cleanup;

• Protein capture;

• Custom diagnostic reagents.

Customization

Cytiva also states that Sera-Mag magnetic bead products can be customized when developers require different ligands or particle characteristics.

Why Cytiva Ranks Third

Cytiva combines:

• Immunodiagnostic beads;

• Genomics beads;

• Rapid-response formats;

• High binding capacity;

• Automation compatibility;

• Commercial customization.

4. Merck / Estapor

Merck’s Estapor portfolio includes polymeric and magnetic microspheres developed specifically for IVD and OEM applications.

Estapor offers COOH magnetic microspheres across approximately 0.3 µm to 3 µm and highlights high surface area, ferrite content, carboxyl functionality and low nonspecific binding.

Main Technologies

Relevant Estapor magnetic beads include:

• Carboxyl magnetic microspheres;

• Amino magnetic microspheres;

• Hydroxyl magnetic microspheres;

• Streptavidin-coated beads;

• Customized magnetic particles.

CLIA Applications

Merck states that Estapor magnetic microspheres have been used by CLIA and bioseparation-based diagnostic manufacturers and are suitable for manual and automated platforms.

Best Applications

Estapor particles are particularly relevant to:

• CLIA;

• Magnetic ELISA;

• Biomolecule capture;

• Protein coupling;

• Diagnostic manufacturing;

• Bioseparation.

Why Merck Ranks Fourth

Merck ranks highly because Estapor combines:

• Strong IVD positioning;

• Multiple particle diameters;

• Multiple surface chemistries;

• Commercial diagnostic use history;

• Global manufacturing support.

What Australian Buyers Should Confirm

Confirm:

• Exact Estapor product code;

• Particle size;

• Ferrite content;

• COOH density;

• Separation speed;

• Coupling chemistry;

• Bulk availability;

• Australian distributor;

• Commercial lead time;

• Change-control policy.

5. JSR Life Sciences

JSR Life Sciences supplies Magnosphere standardized magnetic microparticles for life science and IVD applications.

The company offers both hydrophilic and hydrophobic surface characteristics, together with chemically and biologically functionalized particles.

Particle Construction

Magnosphere beads use a layered architecture consisting of:

• Core particle;

• Magnetite layer;

• Surface polymer layer.

JSR states that controlled core dimensions help provide uniform particle size.

Main Applications

Magnosphere particles may be evaluated for:

• Magnetic immunoassays;

• Antibody immobilization;

• Protein separation;

• Nucleic acid probe immobilization;

• Biosensors;

• Bioseparation;

• IVD reagent development.

Blocking and Colloidal Stability

JSR also provides Blockmaster blocking chemistry and reports improved dispersion stability for Blockmaster-treated magnetic particles compared with BSA-treated particles in a cell lysate model.

Why JSR Ranks Fifth

JSR is particularly relevant where controlled particle surface properties and nonspecific-binding management are important.

6. Bangs Laboratories

Bangs Laboratories manufactures polymer, silica and magnetic microspheres for diagnostic and analytical applications.

Its magnetic particle portfolio allows selection by diameter, morphology, surface properties and separation characteristics, and the company states that it can support projects from R&D through manufacturing under an ISO 13485 quality system.

Quality System

Bangs Laboratories’ current published certificate states that its quality management system complies with ISO 13485:2016 for the manufacture, processing and distribution of microspheres and related products.

Custom and OEM Capability

Bangs offers:

• Custom particle synthesis;

• Surface modification;

• Ligand coating;

• Dye incorporation;

• Custom concentrations;

• Bulk packaging;

• OEM manufacturing.

Its custom program explicitly supports diagnostic assay and precision medicine applications.

Best Applications

Bangs magnetic particles can be evaluated for:

• Custom CLIA development;

• Magnetic immunoassays;

• Molecular diagnostics;

• Nucleic acid extraction;

• Protein purification;

• Cell separation;

• OEM diagnostic components.

Why Bangs Ranks Sixth

Bangs is particularly useful when a standard catalog bead cannot meet assay-specific requirements.

7. Polysciences

Polysciences manufactures ProMag magnetic microspheres for immunoassay development, affinity capture and magnetic separation.

Typical products include:

• Carboxyl magnetic beads;

• Amino magnetic beads;

• Streptavidin beads;

• Protein G beads;

• Surfactant-free formats.

Main Applications

ProMag beads can be used for:

• Magnetic ELISA;

• CLIA development;

• Antibody conjugation;

• Streptavidin-biotin capture;

• Protein purification;

• Immunoprecipitation;

• Early-stage bead screening.

Why Polysciences Ranks Seventh

Polysciences is especially useful during assay screening because developers can compare several ready-made surface chemistries before requesting a custom particle.

8. Spherotech

Spherotech manufactures functionalized, coated, fluorescent and magnetic particles for immunoassays, flow cytometry and cell separation.

Its magnetic bead portfolio includes:

• Carboxyl particles;

• Hydroxyl particles;

• Streptavidin-coated beads;

• Avidin-coated particles;

• Protein A beads;

• Protein G beads;

• Antibody-coated particles;

• Fluorescent magnetic particles.

Best Applications

Spherotech is particularly suitable for:

• Magnetic particle enzyme immunoassays;

• Cell separation;

• Antibody purification;

• Flow cytometry;

• Multiplex development;

• Affinity capture.

Why Spherotech Ranks Eighth

Its strength lies in functionalized and pre-coated beads rather than only raw magnetic particles.

That can reduce development time where a diagnostic company wants an affinity-ready bead.

9. Revvity

Revvity supplies magnetic bead technologies and automated extraction platforms through its chemagic molecular diagnostic portfolio.

Its M-PVA magnetic bead platform supports automated nucleic acid purification.

Main Applications

Revvity is particularly relevant to:

• Genomic DNA extraction;

• Viral nucleic acid extraction;

• Automated molecular diagnostics;

• High-throughput pathology workflows;

• OEM extraction systems.

Main Advantage

The main advantage is integration between:

• Magnetic bead chemistry;

• Buffers;

• Disposable consumables;

• Automated extraction instruments.

Why Revvity Ranks Ninth

Revvity is highly relevant to molecular diagnostic extraction, but it is less suitable than Thermo Fisher, SANYU or Cytiva for customers seeking a broad range of unrestricted raw CLIA bead chemistries.

10. DiaSorin Luminex

DiaSorin Luminex manufactures MagPlex magnetic microspheres for high-plex protein and nucleic acid assays.

MagPlex beads are 6.5 µm superparamagnetic particles containing internal classification dyes and surface carboxyl groups for covalent attachment of capture ligands. DiaSorin states that the platform supports up to 500 distinct targets.

Main Applications

MagPlex beads are particularly suitable for:

• Multiplex immunoassays;

• Infectious disease panels;

• Cytokine assays;

• Autoimmune testing;

• Biomarker testing;

• Genotyping;

• Multiplex nucleic acid analysis.

Why DiaSorin Luminex Ranks Tenth

MagPlex is one of the strongest choices for xMAP-based multiplexing, but it is a specialized platform rather than a general substitute for CLIA beads or silica extraction particles.

Best IVD Magnetic Bead Manufacturers by Application

Best for CLIA and ECLIA

Recommended suppliers include:

• Thermo Fisher Scientific;

• SANYU GROUP;

• Cytiva;

• Merck / Estapor;

• JSR Life Sciences;

• Polysciences.

Important evaluation criteria include:

• Particle diameter;

• Magnetic response;

• Carboxyl density;

• Antibody-loading capacity;

• Nonspecific binding;

• Chemiluminescence background;

• Wash efficiency;

• Analyzer compatibility;

• Lot consistency.

Best for DNA and RNA Extraction

Recommended suppliers include:

• Thermo Fisher Scientific;

• SANYU GROUP;

• Cytiva;

• Revvity;

• Bangs Laboratories.

Silica, silane and other nucleic acid-binding magnetic particles should be evaluated using the complete extraction chemistry.

Important criteria include:

• DNA recovery;

• RNA recovery;

• PCR inhibitor removal;

• Magnetic separation;

• Bead carryover;

• Elution volume;

• Automation;

• DNase/RNase controls.

Best for Streptavidin-Biotin Immunoassays

Recommended suppliers include:

• Thermo Fisher Scientific;

• Cytiva;

• Merck / Estapor;

• Polysciences;

• Spherotech;

• SANYU GROUP.

Compare:

• Biotin-binding capacity;

• Nonspecific binding;

• Free-biotin interference;

• Steric accessibility;

• Magnetic response;

• Coating stability.

Best for Antibody Purification

Recommended suppliers include:

• Thermo Fisher Scientific;

• Cytiva;

• Polysciences;

• Spherotech;

• Bangs Laboratories.

Protein A or Protein G should be selected according to:

• Antibody species;

• Antibody subclass;

• Binding capacity;

• Elution requirements;

• Required purity.

Best for Cell Separation

Recommended suppliers include:

• Thermo Fisher Scientific;

• Spherotech;

• Bangs Laboratories;

• Cytiva.

Important factors include:

• Bead-to-cell ratio;

• Antibody specificity;

• Cell viability;

• Magnetic gradient;

• Positive vs negative selection;

• Removal of residual beads.

Best for Multiplex Testing

DiaSorin Luminex is the most specialized supplier in this ranking for encoded magnetic bead multiplex assays.

MagPlex supports up to 500 spectrally defined bead regions on compatible xMAP systems.

Best for NGS Cleanup

Recommended suppliers include:

• Cytiva;

• Thermo Fisher Scientific;

• Bangs Laboratories;

• Revvity.

Carboxyl magnetic beads used with PEG and salt chemistry are commonly evaluated for:

• PCR cleanup;

• Library purification;

• DNA concentration;

• Size selection;

• Adapter-dimer reduction.

Main Types of IVD Magnetic Beads

Carboxyl Magnetic Beads

Carboxyl beads contain surface COOH groups that can be activated using EDC or EDC/NHS chemistry.

They can be used to attach:

• Antibodies;

• Antigens;

• Proteins;

• Peptides;

• Amino-modified oligonucleotides.

They are widely used in CLIA, ECLIA and magnetic ELISA.

Streptavidin Magnetic Beads

Streptavidin beads bind biotinylated molecules.

Typical applications include:

• Biotinylated antibodies;

• Biotinylated antigens;

• DNA probes;

• RNA probes;

• Molecular capture;

• Multiplex assays.

Tosyl and Epoxy Magnetic Beads

Tosyl and epoxy surfaces allow covalent biomolecule attachment under optimized reaction conditions.

Developers should optimize:

• pH;

• Temperature;

• Salt;

• Ligand concentration;

• Coupling time.

Silica Magnetic Beads

Silica-coated magnetic particles bind nucleic acids under suitable chaotropic and dehydrating conditions.

They are used for:

• Viral DNA;

• Viral RNA;

• Genomic DNA;

• Total nucleic acid;

• Molecular diagnostic sample preparation.

Protein A and Protein G Magnetic Beads

Protein A and Protein G bind antibody Fc regions.

They are used for:

• Antibody purification;

• Immunoprecipitation;

• Oriented antibody immobilization;

• Assay development.

Oligo(dT) Magnetic Beads

Oligo(dT) beads bind polyadenylated mRNA.

They are used for:

• mRNA purification;

• RT-PCR;

• cDNA library construction;

• Transcriptomics.

Cytiva specifically positions its Oligo(dT)-coated magnetic particles for mRNA isolation, RT-PCR and cDNA workflows.

Encoded Magnetic Beads

Encoded magnetic beads contain internal optical signatures that distinguish different bead populations.

They enable many analytes to be measured in a single sample.

How to Choose IVD Magnetic Beads

Define the Diagnostic Platform

Start by determining whether the bead is intended for:

• CLIA;

• ECLIA;

• Magnetic ELISA;

• DNA/RNA extraction;

• NGS cleanup;

• Protein purification;

• Cell separation;

• Multiplex testing.

Select the Correct Surface Chemistry

Compare Particle Diameter

Particle diameter influences:

• Surface area;

• Binding capacity;

• Sedimentation;

• Reaction kinetics;

• Magnetic collection;

• Analyzer fluidics;

• Signal intensity.

Smaller particles generally provide more surface area per unit mass.

Larger particles often collect faster magnetically but may sediment faster.

Evaluate Magnetic Response

Measure:

• Time to clear the supernatant;

• Pellet location;

• Pellet compactness;

• Bead loss;

• Redispersibility;

• Performance in viscous samples.

The fastest-separating bead is not automatically the best bead.

Evaluate Suspension Stability

Automated diagnostic analyzers require uniform particle dispensing.

Test:

• Sedimentation during the run;

• First-to-last well concentration;

• Reservoir mixing;

• Bottle resuspension;

• Aggregation;

• Tip blockage.

Evaluate Nonspecific Binding

High nonspecific adsorption can increase assay background and reduce sensitivity.

Use the actual matrix:

• Serum;

• Plasma;

• Whole blood;

• Assay diluent;

• Lysis buffer.

Optimize Ligand Density

A higher functional-group density does not always produce better assay performance.

Excessive ligand loading can cause:

• Steric crowding;

• Reduced antibody activity;

• Particle aggregation;

• Increased background;

• Poor reagent stability.

Test Multiple Production Lots

Evaluate at least three representative commercial lots for:

• Particle diameter;

• Surface chemistry;

• Magnetic response;

• Binding capacity;

• Signal;

• Background;

• Precision;

• Stability.

Australia TGA and ARTG Considerations

IVD Medical Devices in Australia

The Therapeutic Goods Administration regulates medical devices supplied in Australia, including IVD medical devices.

TGA states that medical devices, including IVDs, are generally included in the Australian Register of Therapeutic Goods as a “kind of medical device” when inclusion is required.

Importing and Supplying IVDs

TGA states that medical devices imported into and supplied in Australia are subject to Australian regulatory requirements.

A finished diagnostic reagent, kit or instrument should therefore be assessed separately from a raw magnetic bead supplied only for manufacturing or research.

Australian Sponsor

An overseas IVD manufacturer normally works through an Australian sponsor when the finished regulated medical device is supplied in Australia.

The sponsor is responsible for regulatory submissions and ongoing Australian obligations.

Australian buyers should confirm whether the local company is acting as:

• Distributor;

• Importer;

• Sponsor;

• Service provider;

• All of the above.

These roles are not automatically equivalent.

ARTG Inclusion

When ARTG inclusion applies, the product is entered as a kind of medical device.

TGA currently provides a specific inclusion process for medical devices and IVD products.

Manufacturer Evidence

TGA’s current IVD guidance includes manufacturer-evidence requirements and pathways for using appropriate conformity assessment or comparable overseas regulatory evidence.

In 2026, TGA also published updated guidance on using overseas assessments to support medical-device and IVD registration processes.

Raw Magnetic Beads vs Finished IVD Products

A raw magnetic bead supplied for:

• Research;

• Assay development;

• Further manufacturing;

• Industrial processing;

may have a different regulatory status from a finished IVD kit.

The finished-product manufacturer should still control:

• Raw-material specifications;

• Incoming inspection;

• Supplier qualification;

• Lot traceability;

• Change notification;

• Finished-assay performance.

Supplier Change Control

Changing a magnetic bead supplier can affect:

• Conjugation efficiency;

• Magnetic response;

• Assay signal;

• Background;

• Washing efficiency;

• Reagent stability;

• Analyzer fluidics.

A supplier change should therefore be treated as a controlled manufacturing change rather than a simple purchasing substitution.

Australian Procurement Considerations

Local Stock vs Direct Import

A local distributor may offer:

• Faster delivery;

• AUD invoicing;

• Easier returns;

• Local technical communication.

Direct factory purchasing may provide:

• Better customization;

• Bulk pricing;

• OEM packaging;

• Direct technical access.

The best model depends on project volume and technical complexity.

Shipping Conditions

Magnetic beads are commonly supplied as liquid suspensions.

Confirm:

• Storage temperature;

• Shipping temperature;

• Freeze sensitivity;

• Temperature excursion limits;

• Shelf life;

• Mixing instructions.

Commercial Lead Time

Total lead time may include:

• Manufacturing;

• QC release;

• International freight;

• Customs clearance;

• Local distribution;

• Incoming inspection.

Do not calculate safety stock using factory lead time alone.

Dual-Supplier Qualification

Qualifying a second supplier can reduce supply-chain risk.

However, the alternative bead must be fully validated before use because seemingly similar beads may differ in:

• Particle diameter;

• Magnetic content;

• Surface density;

• Suspension buffer;

• Separation behavior;

• Coupling efficiency.

Australian IVD Magnetic Bead Supplier Qualification Checklist

Particle Specifications

• What is the nominal bead diameter?

• What is the permitted size range?

• What is the particle-size CV?

• What is the solids concentration?

• What is the magnetic content?

• What is the surface chemistry?

• What is the functional-group density?

• How quickly does the bead separate?

• How rapidly does it sediment?

• Can it be fully redispersed?

Assay Performance

• What is the ligand-binding capacity?

• What coupling chemistry is recommended?

• What is the nonspecific binding level?

• Is CLIA background data available?

• How stable is the conjugated bead?

• Is bead carryover measured?

• Has automation been tested?

Quality Documentation

• Is a certificate of analysis supplied?

• Is a detailed product specification available?

• Does the supplier operate a certified quality system?

• Are lots traceable?

• Are retention samples maintained?

• Is stability data available?

• Is formal change notification available?

• Can a quality agreement be signed?

Australia Regulatory Support

• Is the product RUO or intended for further manufacturing?

• Is the finished IVD included in the ARTG when required?

• Who is the Australian sponsor?

• Can manufacturer evidence be supplied?

• Is the manufacturing site disclosed?

• Are storage and transport conditions documented?

• Can regulatory support documents be provided?

Commercial Supply

• Are evaluation samples available?

• What is the MOQ?

• Are pilot quantities available?

• What is the commercial batch size?

• Can a production lot be reserved?

• Is custom packaging available?

• Can the supplier maintain safety stock?

• What is the standard lead time to Australia?

Frequently Asked Questions

What Are IVD Magnetic Beads?

IVD magnetic beads are magnetically responsive particles used as capture carriers, solid phases or separation media in diagnostic assays.

They may contain polymer, silica, agarose or composite magnetic structures.

Which Manufacturer Ranks First in Australia?

Thermo Fisher Scientific ranks first because Dynabeads combines broad magnetic bead chemistry with Australian availability and established diagnostic and OEM capabilities.

The best supplier for a particular application may still differ.

Why Is SANYU Ranked Second?

SANYU ranks second because it supplies carboxyl, silica, streptavidin, tosyl and customized magnetic beads for CLIA, ECLIA, molecular diagnostics and bioseparation.

Its 100 nm carboxyl magnetic beads are specifically positioned for CLIA and diagnostic reagent development.

SANYU is the only Chinese manufacturer included in this ranking.

Which Beads Are Best for CLIA?

Carboxyl, tosyl, epoxy and streptavidin magnetic beads are frequently evaluated for CLIA.

Relevant suppliers include:

• Thermo Fisher Scientific;

• SANYU GROUP;

• Cytiva;

• Merck / Estapor;

• JSR Life Sciences;

• Polysciences.

Which Beads Are Best for DNA and RNA Extraction?

Silica or silane magnetic beads are commonly used for nucleic acid extraction.

Relevant suppliers include:

• Thermo Fisher Scientific;

• SANYU GROUP;

• Cytiva;

• Revvity;

• Bangs Laboratories.

Which Supplier Is Best for Streptavidin Magnetic Beads?

Thermo Fisher Scientific and Cytiva have broad established streptavidin magnetic bead portfolios.

Merck, Polysciences, Spherotech and SANYU are also relevant candidates.

Which Beads Are Best for mRNA Isolation?

Oligo(dT)-coated magnetic particles are specifically designed to capture polyadenylated mRNA.

Cytiva’s Sera-Mag Oligo(dT) particles are one example of a dedicated mRNA capture platform.

Which Beads Are Best for Multiplex Testing?

DiaSorin Luminex MagPlex beads are specifically designed for xMAP multiplex assays and support up to 500 distinct encoded bead regions.

Are Larger Magnetic Beads Better?

Not necessarily.

Larger beads often separate faster but may sediment more rapidly.

Smaller beads provide more surface area per unit mass but may need stronger magnetic collection conditions.

Can One Magnetic Bead Be Used for Every IVD Application?

No.

A silica bead designed for nucleic acid extraction is not automatically suitable for antibody coupling in a CLIA assay.

The particle surface and physical properties must match the assay.

Can RUO Beads Be Used During IVD Development?

RUO beads can be useful during feasibility and development.

Before commercial production, confirm:

• Long-term commercial availability;

• Product specifications;

• Quality documentation;

• Lot traceability;

• Stability;

• Formal change control;

• Manufacturer support for further manufacturing.

Does a Raw Magnetic Bead Need ARTG Inclusion?

A raw material supplied only for further manufacturing may have a different regulatory status from a finished IVD medical device.

The intended use, claims, presentation and method of supply should be assessed before determining whether ARTG requirements apply.

TGA specifically regulates IVD medical devices supplied in Australia and provides a dedicated ARTG inclusion framework.

How Many Lots Should Be Tested?

Testing at least three representative commercial lots is a practical starting point.

More lots may be required when particle properties have a critical effect on:

• Sensitivity;

• Specificity;

• Precision;

• Background;

• Reagent stability;

• Analyzer performance.

Should Australian IVD Manufacturers Qualify Two Suppliers?

When practical, yes.

Dual sourcing can reduce supply-chain risk.

However, switching magnetic beads can alter:

• Antibody coupling;

• Magnetic separation;

• Signal;

• Background;

• Calibration;

• Stability.

The alternative bead must therefore be validated before use.

Final Recommendations

Thermo Fisher Scientific ranks first for Australian IVD companies seeking an established magnetic bead platform with broad surface chemistry, local product availability and strong OEM support.

SANYU GROUP ranks second and is a competitive choice for customized carboxyl magnetic beads, silica magnetic beads, streptavidin beads, CLIA/ECLIA reagent development and factory-direct OEM projects.

Cytiva ranks third and is particularly strong in Sera-Mag carboxylate, SpeedBeads, streptavidin, oligo(dT) and silica magnetic bead technologies for immunodiagnostics and molecular diagnostics.

Merck / Estapor provides an established IVD magnetic microsphere platform covering multiple diameters and surface chemistries for CLIA and bioseparation applications.

JSR Life Sciences offers standardized Magnosphere particles with hydrophilic, hydrophobic and functionalized surfaces for life science and IVD applications.

Bangs Laboratories provides ISO 13485-certified custom magnetic particle development and OEM manufacturing for diagnostic applications.

Polysciences offers multiple ready-made ProMag chemistries for immunoassay and affinity workflows.

Spherotech is particularly useful for functionalized, affinity-coated and cell-separation magnetic beads.

Revvity is a strong choice for integrated magnetic bead nucleic acid extraction and automated molecular diagnostic workflows.

DiaSorin Luminex is the most specialized supplier in this ranking for high-plex encoded magnetic bead assays, with MagPlex supporting up to 500 analytes on compatible xMAP systems.

Before selecting a commercial supplier, Australian IVD manufacturers should compare several bead products and at least three representative production lots using the actual antibody, sample matrix, coupling chemistry, analyzer and detection system intended for the finished diagnostic product.