Microarray Substrates

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The quality of the glass substrate surface modification is always a critical issue in microarray analysis.

Microarray Substrates

4359OPAminoSlideTM 25 PK 
4360OPAminoSlideTM 100 PK
4361OPAminoSlideTM 500 PK 
4362OPAIdehydeSlideTM 25 PK 
4363OPAIdehydeSlideTM 100 PK
4364OPAIdehydeSlideTM 500 PK 
4365OPEpoxySlideTM 25 PK 
4366OPEpoxySlideTM 100 PK 
4367OPEpoxySlideTM 500 PK 
4368PolymerSlideTM G 25 PK 
4369PolymerSlideTM G 100 PK 
4370PolymerSlideTM G 500 PK 
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Microarray Substrates

4359OPAminoSlideTM 25 PK 
4360OPAminoSlideTM 100 PK
4361OPAminoSlideTM 500 PK 
4362OPAIdehydeSlideTM 25 PK 
4363OPAIdehydeSlideTM 100 PK
4364OPAIdehydeSlideTM 500 PK 
4365OPEpoxySlideTM 25 PK 
4366OPEpoxySlideTM 100 PK 
4367OPEpoxySlideTM 500 PK 
4368PolymerSlideTM G 25 PK 
4369PolymerSlideTM G 100 PK 
4370PolymerSlideTM G 500 PK 

The quality of the glass substrate surface modification is always a critical issue in microarray analysis. As CapitalBio, the slide surface modification process has been optimized for uniformity and compatibility with a number of reactive groups. 
CapitalBio offers a full set of precision modified glass slides, for both contact and non-contact printing of various nuclear acids and proteins.


AminoSlide contains amino groups, which can be used for attachment of nucleic acids, esp. long (>70 mer) oligonucleotides and PCR products. The electrostatic interaction between the positively charged amino groups on the surface and the negatively charged nucleotide chains are strengthened after heating or UV crosslinking treatment. The surface wettability is slightly adjustable to meet different requirements for spot diameters. Low background fluorescence, high surface coating homogeneity and good spot morphology make it an excellent substrate for gene expression analysis and SNP microarray tests.


AldehydeSlide contains aldehyde groups for covalent binding of amine-modified nucleotides, esp. short amine-modified oligonucleotides. No heating or UV crosslinking treatment is required for immobilization for AldehydeSlide, which make it easier to use.


EpoxySlide contains epoxy groups, which has been proved to have good reactivity to primary amine-containing peptides and protein molecules. The surface wettability is slightly adjustable to meet different requirements for spot diameters.



PolySlide has a thin polysaccharide surface of layer, which enables excellent spot morphologies and consistent spot sizes. Due to the porous nature of the 3D polymeric coating layer with abundant activated covalent binding sites, PolySlide is superior for maintaining protein activity and is suitable for protein microarray construction.

OPPolymerSlide G
OPPolymerSlide H
OPPolymerSlide A/C/D

Company Info:

Headquartered in Beijing, China, CapitalBio is a leading life science Company that develops and commercializes total health-care solutions including a broad range of innovative biochip-related products for genomic, proteomic and cellomic research, bio-safety testing, clinical applications and to address wider human health needs. CapitalBio warmly encourages discussion of new business, marketing and production opportunities, etc. Both through innovation and a commitment to rapid product development, 

CapitalBio is seeking to reduce the cost of products, to benefit our customers.

For further information and detailed budget, send us an email to technicalsupport@biotools.eu >>

Specific Characteristics


Surface Active Group

Immobilization Chemistry

Optimized for


Amine group


PCR product


Aldehyde group


-NHmodified oligo


Epoxy group



PolymerSlide G

Aldehyde group



PolymerSlide A

Amino group


PCR product/Oligo

PolymerSlide  D

Amino group



Manufacturing and Quality Control

Each step of slide surface modification is under stringent control in a state-of-the-art clean-room. Slide products undergo rigid quality control inspections, including contact angle measurement to monitor surface wetting characteristics, background scanning for coating homogenity and standard experiments for immobilization and hybridization/immunoreaction ability testing.

  • General Characteristics

Dimension (mm)

75.5 (± 0.2) × 25.2 (± 0.2) × 1.0 (± 0.05)

Printable Area (mm)


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