Suzhou VDO Biotech Co. Ltd. of Suzhou at MEDICA 2020 in Düsseldorf -- MEDICA - World Forum for Medicine
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Suzhou VDO Biotech Co. Ltd.

The 5F, Building C29, 218 Xinghu St., Suzhou Industrial Park, 215123 Suzhou
China
Telephone +86 512 80905220
Fax +86 512 80905230
marketing@vdobiotech.com

Contact

Rose Peng

International Business Development Manager

Phone
+86 158 5024 6572

Email
sales@vdobiotech.com

Our range of products

Product categories

  • 03  Diagnostic tests
  • 03.02  Immunochemistry testing, immunology testing
  • 03.02.01  Immuno assay testing
  • 03  Diagnostic tests
  • 03.02  Immunochemistry testing, immunology testing
  • 03.02.02  Diagnostic rapid tests

Our products

Product category: DNA testing

Magnetic Microspheres-MA200H

1.Product Description
MA200H are polydisperse ferrimagnetic beads, >1 µm in diameter. The beads are composed of silica and magnetic material. The magnetic materials are coated with silica and presenting a bead surface with optimized silica-like chemistry. The magnetic beads ensure rapid magnetic mobility and efficient isolation of nucleic acids (DNA/RNA). The beads also feature a low sedimentation rate and favorable reaction kinetics, making them particularly suited for automated assays.

2.Description of Materials
  • Diameter(DLS):>1µm
  • Structure :SiO2/Fe3O4
  • Surface group:-OH
  • Additives:Trace surfactants
  • Bead Color:Brownish Black liquid
  • Solid Content:2.5%(25mg/ml)
  • Applications:Nucleic acid extraction
3.May suitable nucleic acid extraction projects
cfDNA 、 Genome DNA、 FFPE DNA

4.Storgae and Stability
Store at 2℃ to 25℃ for three years.

5.Limited Product Warranty
Freezing, drying, centrifuging, etc. of the product may cause irreversible agglomeration of the microspheres, resulting in decreased bio-application performance

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Product category: DNA testing

Magnetic Microspheres-MS02H

1.Product Description
MS02H are monodisperse ferrimagnetic beads, ~350nm in diameter. The beads are composed of silica and magnetic material. The magnetic materials are coated with silica and presenting a bead surface with optimized silica-like chemistry. The magnetic beads ensure rapid magnetic mobility and efficient isolation of nucleic acids (DNA/RNA). The beads also feature a low sedimentation rate and favorable reaction kinetics, making them particularly suited for automated assays.

2.Description of Materials
  • Diameter(DLS):~350nm 
  • Structure :SiO2/Fe3O4
  • Surface group:-OH
  • Additives:Trace surfactants
  • Bead Color:Brownish Black liquid
  • Solid Content:2.5%(25mg/ml)
  • Applications:Nucleic acid extraction
3.May suitable nucleic acid extraction projects
Virus DNA/RNA 、 Total RNA 、 cfDNA 、 FFPE RNA 、 Swab

4.Storgae and Stability
Store at 2℃ to 25℃ for three years.

5.Limited Product Warranty
Freezing, drying, centrifuging, etc. of the product may cause irreversible agglomeration of the microspheres, resulting in decreased bio-application performance.

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Product category: DNA testing

Magnetic Microspheres-MA0308C

1.Product Description
MA0308C are polydisperse ferrimagnetic beads, ~0.5 µm in diameter. The beads are composed of magnetic material and polymer layer. The magnetic materials are coated with polymer and presenting a bead surface with optimized carboxyl-like chemistry. The magnetic beads ensure rapid magnetic mobility and efficient isolation of nucleic acids (DNA/RNA). The beads also feature a low sedimentation rate and favorable reaction kinetics, making them particularly suited for automated assays.

2.Description of Materials
  • Diameter(DLS):~0.5 µm 
  • Structure :Polymer/Fe3O4 
  • Surface group:-COOH 
  • Additives:Trace surfactants 
  • Bead Color:Brown liquid
  • Solid Content:2.5%(25mg/ml)
  • Applications:Nucleic acid extraction
3.May suitable nucleic acid extraction projects
Bacteria DNA 、 Genome DNA 、 Virus DNA/RNA、 Total RNA、 Swab

4.Storgae and Stability
Store at 2℃ to 25℃ for three years.

5.Limited Product Warranty
Freezing, drying, centrifuging, etc. of the product may cause irreversible agglomeration of the microspheres, resulting in decreased bio-application performance.

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Product category: DNA testing

Magnetic Microspheres-MS04HB

1.Product Description
MS04HB are polydisperse ferrimagnetic beads, >1 µm in diameter. The beads are composed of silica and magnetic material. The magnetic materials are coated with silica and presenting a bead surface with optimized silica-like chemistry. The magnetic beads ensure rapid magnetic mobility and efficient isolation of nucleic acids (DNA/RNA). The beads also feature a low sedimentation rate and favorable reaction kinetics, making them particularly suited for automated assays.

2.Description of Materials
  • Diameter(DLS):>1µm
  • Structure :SiO2/Fe3O4
  • Surface group:-OH
  • Additives:Trace surfactants
  • Bead Color:Brownish Black liquid
  • Solid Content:2.5%(25mg/ml)
  • Applications:Nucleic acid extraction
3.May suitable nucleic acid extraction projects
Whole blood genomic

4.Storgae and Stability
Store at 2℃ to 25℃ for three years.

5.Limited Product Warranty
Freezing, drying, centrifuging, etc. of the product may cause irreversible agglomeration of the microspheres, resulting in decreased bio-application performance.

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Product category: DNA testing

Magnetic Microspheres-MS05HC

1.Product Description
MS05HC are monodisperse ferrimagnetic beads, < 1µm in diameter. The beads are composed of silica and magnetic material. The magnetic materials are coated with silica and presenting a bead surface with optimized silica-like chemistry. The magnetic beads ensure rapid magnetic mobility and efficient isolation of nucleic acids (DNA/RNA). The beads also feature a low sedimentation rate and favorable reaction kinetics, making them particularly suited for automated assays.

2.Description of Materials
  • Diameter(DLS):< 1µm
  • Structure :SiO2/Fe3O4
  • Surface group:-OH
  • Additives:Trace surfactants
  • Bead Color:Brown liquid
  • Solid Content:2.5%(25mg/ml)
  • Applications:Nucleic acid extraction
3.May suitable nucleic acid extraction projects
Virus DNA/RNA 、 Total RNA, cfDNA、FFPE RNA 、 PCR Clean up 、 Swab

4.Storgae and Stability
Store at 2℃ to 25℃ for three years.

5.Limited Product Warranty
Freezing, drying, centrifuging, etc. of the product may cause irreversible agglomeration of the microspheres, resulting in decreased bio-application performance.

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Product category: DNA testing

Magnetic Microspheres-MS05HG

1.Product Description
MS05HG are polydisperse ferrimagnetic beads, >1 µm in diameter. The beads are composed of silica and magnetic material. The magnetic materials are coated with silica and presenting a bead surface with optimized silica-like chemistry. The magnetic beads ensure rapid magnetic mobility and efficient isolation of nucleic acids (DNA/RNA). The beads also feature a low sedimentation rate and favorable reaction kinetics, making them particularly suited for automated assays.

2.Description of Materials
  • Diameter(DLS):>1µm
  • Structure :SiO2/Fe3O4
  • Surface group:-OH
  • Additives:Trace surfactants
  • Bead Color:Black
  • Solid Content:5%(50mg/ml)
  • Applications:Nucleic acid extraction
3.May suitable nucleic acid extraction projects
Virus DNA/RNA 、 Total RNA, cfDNA、FFPE RNA 、 PCR Clean up 、 Swab

4.Storgae and Stability
Store at 2℃ to 25℃ for three years.

5.Limited Product Warranty
Freezing, drying, centrifuging, etc. of the product may cause irreversible agglomeration of the microspheres, resulting in decreased bio-application performance.

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Product category: DNA testing

Magnetic Microspheres-MS05HE

1.Product Description
MS05HE are monodisperse ferrimagnetic beads, < 1µm in diameter. The beads are composed of silica and magnetic material. The magnetic materials are coated with silica and presenting a bead surface with optimized silica-like chemistry. The magnetic beads ensure rapid magnetic mobility and efficient isolation of nucleic acids (DNA/RNA). The beads also feature a low sedimentation rate and favorable reaction kinetics, making them particularly suited for automated assays.

2.Description of Materials
  • Diameter(DLS):< 1µm
  • Structure :SiO2/Fe3O4
  • Surface group:-OH
  • Additives:Trace surfactants
  • Bead Color:Brown liquid
  • Solid Content:3%(30mg/ml)
  • Applications:Nucleic acid extraction
3.May suitable nucleic acid extraction projects
Virus DNA/RNA 、 Total RNA 、 cfDNA 、FFPE RNA 、PCR Clean up、Swab

4.Storgae and Stability
Store at 2℃ to 25℃ for three years.

5.Limited Product Warranty
Freezing, drying, centrifuging, etc. of the product may cause irreversible agglomeration of the microspheres, resulting in decreased bio-application performance.

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Product category: DNA testing

Oligo Magnetic Microspheres-MS04T

1.Product Description
MS04T are monodisperse ferrimagnetic beads, ~1µm in diameter. The magnetic beads ensure rapid magnetic mobility and efficient isolation of high-purity mRNA from eukaryotic cells total RNA, cell and crude extracts of animal and plant tissues. The mRNA can be directly used in most downstream applications of molecular biology, like RT-PCR, solid-phase cDNA library construction, S1 enzyme analysis, RNase protection assay, primer extension, dot-blot hybridization, in vitro translation, RACE, subtractive hybridization, Northern analysis, gene cloning and expression analysis. Oligo (dT)30 magnetic microspheres were designed based on the principle of base complementary pairing and poly (A) tail in mRNA. After annealing, place the reaction tube on a magnetic frame, then the mRNA binding to the magnetic microspheres was concentrated and collected, then discard the supernatant containing impurities. The protocol can be carried out in 15 minutes without preparation for total RNA. Oligo (dT)30 on the surface of magnetic microspheres can be used to capture mRNA, and the first strand cDNA can be synthesized with oligo (dT)30 as primer under the action of reverse transcriptase.

2.Description of Materials
  • Diameter:1µm
  • Surface group:Oligo(dT)30
  • Density:1.4 g/cm3
  • Storage Buffer:PBS pH 7.4, 0.02% of sodium azide
  • Solid Content:1%(10mg/ml)
  • Bead color:Brown liquid
  • Applications:mRNA extraction
3.May suitable nucleic acid extraction projects
mRNA

4.Binding ability
10μg mRNA can be isolated per 100 μL (1 mg) magnetic microspheres, depending on the type of tissue or cell and the level of mRNA expression.

5.Storage and Stability
Store at 2℃ to 25℃ for three years.

6.Limited Product Warranty
Freezing, drying, centrifuging, etc. of the product may cause irreversible agglomeration of the microspheres, resulting in decreased bio-application performance.

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Product category: Immuno assay testing

Carboxyl Color-dyed Microspheres

1. Product Description
Superior quality and lot to lot reproducibility. Production capacity per lot is up to 50L.

This series of color microsphere is a high-quality product specially developed for the application of lateral flow chromatography technology such as lateral chromatography and agglutination test, which can meet the needs of production-oriented enterprises and scientific research institutions a variety of R&D and production needs.

2. Advantages:
  •  Higher sensitivity, ideal substitute for colloidal gold;
  • Internal dyeing process, full and firm color, no dye surface, easy coupling;
  • The hydrophilic surface and abundant group content make the binding ability of protein higher
  • It can realize large-scale supply and stable performance, with single batch capacity up to 50L
  • The diameter of microspheres is uniform, and the CV of conventional microspheres is less than 5%;
  • Customized production, particle size, surface group content and Rainbow series color can be adjusted.
3. Technical Parameters
  • Material: silica / polystyrene polymer
  • Size range: 150nm-10um (other specifications can be customized)
  • Color: Red/Blue
  • Surface group: COOH
  • Solid content: 4%
  • Density: 1.05g / cm3
  • Dispersion medium: pure water
  • Refractive index of particles: 1.59 (589 nm, 25 ℃)
  • Average degree: CV% < 5%
  • Additives: trace surfactants
  • Storage conditions: 2-25 ℃, do not freeze

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Product category: Diagnostic rapid tests

Fluorescent Microspheres

1. Product Descriptions
Superior quality and lot to lot reproducibility.Production capacity per lot is up to 5L.

This series of microspheres is internally loaded with apprppriate amount of fluorescence dye to provide the highest fluorescence signals, especially suitable for qualitative and quantitative assays requiring high sensitivity.

The microspheres are desighed for the development of lateral flow  immuno-diagnostic tests, and for application in diagnostics and biotechnology where detection of low concentrations of molecules is required. A variety of surface functionalities are available and a few optimized particle sizes for most latex-based lateral flow tests. The coefficient of variation (CV) of the diameter is less than 5% ensuring uniform migration through membranes. 

 2.Technical Parameters
  • Material: Polystyrene polymers containing encapsulated dyes
  • Density: 1.05g/ cm3
  • Dispersion medium:DI water
  • Particle refractive index: 1.59(589nm,25℃)
  • Uniformity:CV% < 5%
  • Size range: 80nm-10um 
  • Additives: contains trace amount of surfactants
  • Storage conditions: 2-25 ℃, do not freeze

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Product category: Diagnostic rapid tests

Time-Resolved Fluorescent Microspheres Carboxyl-Modified

1. Product Description
This series of fluorescent microsphere is a high-quality product specially developed for the application of lateral chromatography, biochip, biosensor, cytology research, microfluidics and many other fields, which can meet the various R&D and production needs of production-oriented enterprises and scientific research institutions.

2.Advantages
  • Europium organic-chelates dyes, broad stock-shift with long half-lifetime
  • Internal dyeing method,decentralized uniform
  • Sufficient surface groups,high protein binding capacity
  • Uniform particle size,controllable surface groups,highly reproducible results
  • Superior quality and lot to lot reproducibility,production capacity per lot is up to 5L
  • Particle sizes and surface groups can be customized
3. Technical Paremeters
  • Material:Polystyrene polymers containing rare earth element dyes
  • Fluorescence type: time-resolved fluorescence
  • Excitation: 360nm
  • Emission : 615nm
  • Surface group: COOH
  • Solid: 1.0%
  • Density: 1.05 g / cm3
  • Dispersion medium: pure water
  • Particles refractive index: 1.59 (589nm, 25 ºC)
  • Uniformity:CV% < 5%
  • Size range: 100nm-300nm (other specifications can be customized)
  • Additives: trace surfactants
  • Storage conditions: 2-25ºC, do not freeze

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Product category: Immuno assay testing

Latex Microspheres Carboxyl Modified

1. Product Description
Superior quality and lot to lot reproducibility.Production capacity per lot is up to 100L.

Different surface modification processes can enable users to couple monoclonal antibodies, polyclonal antibodies, antigens, haptens and other protein molecules or biological tool molecules on the surface of microspheres through passive adsorption or covalent coupling to prepare various diagnostic reagents and related intermediates. This series of products have been applied to the development of diagnostic reagents such as particle enhanced immunoturbidimetry (PET), capture ELISA, agglutination test and solid phase immunoassay

2. Advantages:
  • Sufficient functional groups on the surface can effectively couple sufficient amount of target proteins;
  • The size of microspheres is uniform, the surface functional groups are stable and controllable, and the experimental repeatability is good;
  • It can realize large-scale supply and stable performance, with a single batch capacity of 100L;
  •  The size and surface functional groups of microspheres can be customized to meet different product development process needs of customers.

3. Technical Parameters
  • Material: silica / polystyrene polymer
  • Size range: 20nm-100um (other specifications can be customized)
  • Color: White
  • Surface group: COOH
  • Solid content: 10%
  • Density: 1.05g / cm3
  • Dispersion medium: pure water
  • Refractive index of particles: 1.59 (589 nm, 25 ℃)
  • Average degree: CV% < 5%
  • Additives: trace surfactants
  • Storage conditions: 2-25 ℃, do not freeze

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Product category: Immuno assay testing

Streptavidin Modified Magnetic Microspheres

1. Product Descriptions
Superior quality and lot to lot reproducibility.Production capacity per lot is up to 5L.

This series of magnetic microspheres modified with streptavidin(SA) on the surface for general research or product development purpose.

These magnetic particles can be easily couple with any biotinylated molecules ,for efficient isolation of any target molecules for any capturing,separation,immunoassay,other downstream operations.

2. Advantages
  • 1. Superparamagnetic microspheres with excellent heavy suspension
  • The particle size and surface modification groups are abundant
  •  Fast magnetic response and short purification time
  • Large specific surface area and strong combining ability
  • Low nonspecific adsorption and easy elution
  • Large scale supply and small difference between batches, high repeatability of experimental results
3. Technical Parameters
  • Material: Silica/Polystyrene polymer
  • Color: Black
  • Surface groups: SA
  • Solids: 1.0%
  • Density: 1.05-3.38 g/cm3
  • Dispersion Medium: DI water
  • Particle refractive index: NA
  • Uniformity: CV%<5%
  • Size range: 0.6um-100um(Other specifications can be customized)
  • Additives: Contains trace amount of surfactant
  • Storage conditions: 2-8ºC do not freeze

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Product category: Immuno assay testing

Carboxyl Magnetic Beads

Superior quality and lot to lot reproducibility.Production capacity per lot is up to 50L.

1. Advantages
  • Sufficient functional groups on the surface can effectively couple sufficient amount of target proteins;
  • Superparamagnetism and proper density ensure good suspension performance and suspension time;
  • High magnetic content and short magnetic response time;
  • The size of microspheres is uniform, the surface functional groups are stable and controllable, and the experimental repeatability is good;
  • It can realize large-scale supply and stable performance, and can customize the particle size and surface functional groups of microspheres.

3. Technical Parameters
  • Material: silica / polystyrene polymer
  • Color: Brown / Black
  • Surface finish: COOH, OH
  • Solid content: 2.5%
  • Density: 1.05-3.38 g / cm3
  • Dispersion medium: pure water
  • Refractive index of particles: Na
  • Average degree: CV% < 5%
  • Size range: 50nm-100um (other specifications can be customized)
  • Additives: trace surfactants
  • Storage conditions: 2-25℃, do not freeze

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About us

Company details

Suzhou Vdo Biotech Co., Ltd. is a high-tech enterprise which specializes in production of biotechnology microspheres and its application. Our company has passed ISO9001-2015 quality system certification. These products mainly include latex microspheres, dyed microspheres, magnetic microspheres, fluorescent microspheres, flow type microspheres and standard microspheres. These microspheres are uniform in size and can be customized according to customer’s requirements. It has been applied to the development of a variety of products and has expanded multiple technical development in other application directions.

Moreover, we can also provide customized microspheres and their application or OEM service. Meanwhile, we will provide deep technical solutions to help customers obtain desirable application experience of the product.

As located in Suzhou Industrial Park BioBay, Suzhou Vdo Biotech Co., Ltd. covers 1,500 square meters including nearly 1,000 square meters’ purification area for R&D laboratories and workshops. We will focus on developing products for the global market, continually innovating microsphere production and application.

We mainly offer:
  • High quality of functional microspheres with long term stability
  • Customization service of microsphere products
  • Global OEM services for microsphere products
  • The scale-up production of protein-microsphere conjugation service
  • Total solutions for various microsphere applications
We also provide:
  • Proteinase K
  • 96-well plates
  • pipette tips
  • Prepackaged reagent

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