Recombinant Antibodies

Sequence-defined, animal-free recombinant monoclonal antibodies for reproducible, supply-secure detection across WB, IHC, ELISA, and flow cytometry.

4807Products
4807 products
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Western Blot
Positive WB detected in: HEK293 whole cell lysate(20µg) , U-251MG whole cell lysate(20µg) , HeLa whole cell lysate(20µg) , Raji whole cell lysate(20µg) , A549 whole cell lysate(20µg) , HepG2 whole cell lysate(20µg) 
All lanes: FLOT1 antibody at 1:1000
Secondary
Goat polyclonal to human IgG at 1/40000 dilution
Predicted band size: 47 kDa
Observed band size: 47 kDa
Exposure time:1min
Target: FLOT1
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Western Blot, Immunofluorescence, Flow Cytometry
From $210.00
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The Binding Activity of Cynomolgus FCGR3A with Anti-FCGR3A Recombinant antibodyActivity: Measured by its binding ability in a functional ELISA. Immobilized Anti-FCGR3A antibody at 2 μg/ml can bind Biotinylated Cynomolgus FCGR3A (CSB-MP854680MOV-B). The EC<sub>50</sub> is 14.09-25.58 ng/ml.
Target: FCGR3A
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA
From $210.00
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The Binding Activity of Human EDNRA with Anti-EDNRA Recombinant AntibodyActivity: Measured by its binding ability in a functional ELISA. Immobilized Human EDNRA(CSB-MP007403HU) at 10 μg/mL can bind Anti-EDNRA recombinant antibody. The EC<sub>50</sub> is 2.225-3.570 ng/mL.
The VLPs (CSB-MP3838) is negative control.
Target: EDNRA
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA
From $210.00
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Untransfected NIH-3T3 cells (green line) and transfected Human CLDN18.1 NIH-3T3 stable cells (red line) were stained with anti-CLDN18 antibody (2µg/1*10<sup>6</sup>cells), washed and then followed by FITC-conjugated anti-Human IgG Fc antibody and analyzed with flow cytometry.
Target: CLDN18
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Flow Cytometry
From $210.00
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Overlay Peak curve showing Raji cells surface stained with CSB-RA004954MA4HU (red line) at 1:100. Then 10% normal goat serum to block non-specific protein-protein interactions followed by the antibody (1ug/1*10<sup>6</sup>cells) for 45min at 4℃. The secondary antibody used was FITC-conjugated Goat Anti-Mouse IgG(H+L) at 1:200 dilution for 35min at 4℃.Control antibody (green line) was mouse IgG2a (1ug/1*10<sup>6</sup>cells) used under the same conditions. Acquisition of >10,000 events was performed.
Target: CD70
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Flow Cytometry
From $210.00
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In Stock at Manufacturer
Western Blot
Positive WB detected in: HeLa whole cell lysate(20µg) , U-251MG whole cell lysate(20µg) , A549 whole cell lysate(20µg) , PC-3 whole cell lysate(20µg) , K562 whole cell lysate(20µg) , NIH/3T3 whole cell lysate(20µg) , HEK293 whole cell lysate(20µg) , Jurkat whole cell lysate(20µg) , HepG2 whole cell lysate(20µg) 
All lanes: ENO1 antibody at 1:1000
Secondary
Goat polyclonal to human IgG at 1/40000 dilution
Predicted band size: 47 kDa
Observed band size: 55 kDa
Exposure time:5s
Target: ENO1
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Western Blot, Immunohistochemistry, Immunofluorescence, Flow Cytometry
From $210.00
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Western Blot
Positive WB detected in: A549 whole cell lysate(20µg) , PC-3 whole cell lysate(20µg) , HeLa whole cell lysate(20µg) , K562 whole cell lysate(20µg) , HepG2 whole cell lysate(20µg) , Jurkat whole cell lysate(20µg) , SH-SY5Y whole cell lysate(20µg) 
All lanes: CYC1 antibody at 1:1000
Secondary
Goat polyclonal to rabbit IgG at 1/40000 dilution
Predicted band size: 35 kDa
Observed band size: 35 kDa
Exposure time:1min
Target: CYC1
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Western Blot, Flow Cytometry
From $210.00
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IHC image of CSB-RA006576MA1HU diluted at 1:50 and staining in paraffin-embedded human testis tissue performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Anti-Human lgG, Fcy Fragment Specific labeled by HRP and visualized using 0.05% DAB.
Target: DCX
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Immunohistochemistry
From $210.00
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The Binding Activity of Human CLDN1 with Anti-CLDN1 Recombinant antibodyActivity: Measured by its binding ability in a functional ELISA. Immobilized Human CLDN1 (CSB-MP005490HU) at 10 μg/mL can bind Anti-CLDN1 recombinant antibody. The EC<sub>50</sub> is 35.03-50.71 ng/mL.
The VLPs (CSB-MP3838) is negative control.
Target: CLDN1
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA
From $210.00
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The Binding Activity of Human CSF1R with Anti-CSF1R recombinant antibodyActivity: Measured by its binding ability in a functional ELISA. Immobilized Human CSF1R (CSB-MP006044HUd7) at 2 μg/mL can bind Anti-CSF1R recombinant antibody. The EC<sub>50</sub> is 1.800-2.218 ng/mL.
Target: CSF1R
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA
From $210.00
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Immunofluorescence staining of NIH/3T3 cell with CSB-RA004926MA1HU at 1:30 ,counter-stained with DAPI. The cells were fixed in 4% formaldehyde, permeabilized using 0.2% Triton X-100 and blocked in 10% normal Goat Serum. The cells were then incubated with the antibody overnight at 4°C. The secondary antibody was Fluorescein (FITC) AffiniPure Goat Anti-Human IgG, Fcγ fragment specific.
Target: CD34
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Immunofluorescence
From $210.00
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The Binding Activity of Human DLK1 with Anti-DLK1 recombinant antibodyActivity: Measured by its binding ability in a functional ELISA. Immobilized Human DLK1 protein (CSB-MP006945HUd7) at 2 μg/mL can bind Anti-DLK1 recombinant antibody. The EC<sub>50</sub> is 1.935-2.143 ng/mL.
Target: DLK1
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA
From $210.00
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The Binding Activity of Macaca fascicularis CRLF2 with Anti-CRLF2 recombinant antibodyActivity: Measured by its binding ability in a functional ELISA.Immobilized Macaca fascicularis CRLF2(CSB-MP5357MOVd7) at 2 μg/mL can bind Anti-CRLF2 recombinant antibody. The EC<sub>50</sub> is 2.079-2.450 ng/mL.
Target: CRLF2
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Western Blot
From $210.00
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Western Blot
Positive WB detected in: HeLa whole cell lysate(30µg) , HepG2 whole cell lysate(30µg) , colo205 whole cell lysate(30µg) 
All lanes: Clusterin antibody at 1:1000
Secondary
Goat polyclonal to human IgG at 1/40000 dilution
Predicted band size: 52 kDa
Observed band size: 52 kDa
Exposure time: 30s
Target: CLU
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Western Blot, Immunohistochemistry, Immunofluorescence, Flow Cytometry
From $210.00
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IHC image of CSB-RA005991MA1HU diluted at 1:50 and staining in paraffin-embedded human liver tissue performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0) . Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Anti-Human lgG, Fcy Fragment Specific labeled by HRP and visualized using 0.05% DAB.
Target: CRP
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Immunohistochemistry, Flow Cytometry
From $210.00
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Overlay Peak curve showing Jurkat cells surface stained with CSB-RA004941MA1HU (red line) at 1:100. Then 10% normal goat serum to block non-specific protein-protein interactions followed by the antibody (1ug/1*10 6 cells) for 45min at 4℃. The secondary antibody used was Fluorescein (FITC) AffiniPure Goat Anti-Human IgG, Fcγ fragment specific at 1:200 dilution for 35min at 4℃.Control antibody (green line) was human IgG1 (1ug/1*10 6 cells) used under the same conditions.
Target: CD48
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Flow Cytometry
From $210.00
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Raji cells were stained with Human IgG1 Isotype Control (CSB-RA011156MA1HU) (green line) and anti-CD19 antibody (CSB-RA004888MA4HU) (2µg/1*10<sup>6</sup>cells) (red line) , washed and then followed by FITC-conjugated anti-Human IgG Fc antibody and analyzed with flow cytometry.
Target: CD19
Antibodies, Primary Antibodies, Recombinant Antibodies Flow Cytometry
From $210.00
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Western Blot
Positive WB detected in:  A549 whole cell lysate(30µg)
All lanes: CEACAM6 antibody at 1:1000
Secondary
Goat polyclonal to human IgG at 1/40000 dilution
Predicted band size: 37 kDa
Observed band size: 70 kDa
Exposure time: 60s
Target: CEACAM6
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Western Blot, Immunohistochemistry, Flow Cytometry
From $210.00
Regular price From $210.00
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The Binding Activity of Human CD4 with Anti-CD4 recombinant antibodyActivity: Measured by its binding ability in a functional ELISA.Immobilized Human CD4(CSB-MP004935HU1) at 2 μg/mL can bind Anti-CD4 recombinant antibody.The EC<sub>50</sub> is 4.219-4.754 ng/mL.
Target: CD4
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA
From $210.00
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In Stock at Manufacturer
IHC image of CSB-RA006243MA1HU diluted at 1:50 and staining in paraffin-embedded human liver tissue performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Anti-Human lgG, Fcy Fragment Specific labeled by HRP and visualized using 0.05% DAB.
Target: CXCL13
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Immunohistochemistry
From $210.00
Regular price From $210.00
In Stock at Manufacturer
Overlay Peak curve showing Raji cells stained with CSB-RA004959MA1HU (red line) at 1:100. Then 10% normal goat serum to block non-specific protein-protein interactions followed by the antibody (1ug/1*10 6 cells) for 45min at 4℃. The secondary antibody used was Fluorescein (FITC) AffiniPure Goat Anti-Human IgG, Fcγ fragment specific at 1:200 dilution for 35min at 4℃.Control antibody (green line) was human IgG1 (1ug/1*10 6 cells) used under the same conditions. Acquisition of >10,000 events was performed.
Target: CD80
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Flow Cytometry
From $210.00
Regular price From $210.00
In Stock at Manufacturer
Overlay Peak curve showing Raji cells surface stained with CSB-RA004954MA2HU (red line) at 1:100. Then 10% normal goat serum to block non-specific protein-protein interactions followed by the antibody (1ug/1*10<sup>6</sup>cells) for 45min at 4℃. The secondary antibody used was FITC-conjugated Goat Anti-Mouse IgG(H+L) at 1:200 dilution for 35min at 4℃.Control antibody (green line) was mouse IgG2a (1ug/1*10<sup>6</sup>cells) used under the same conditions. Acquisition of >10,000 events was performed.
Target: CD70
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Flow Cytometry
From $210.00
Regular price From $210.00
In Stock at Manufacturer
The Binding Activity of Human CSF1 with Anti-CSF1 recombinant antibodyActivity: Measured by its binding ability in a functional ELISA. Immobilized Human CSF1 protein (CSB-MP006043HU1) at 2 μg/mL can bind Anti-CSF1 recombinant antibody. The EC<sub>50</sub> is 4.291-4.988 ng/mL.
Target: CSF1
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA
From $210.00
Regular price From $210.00
In Stock at Manufacturer
IHC image of CSB-RA005621MA1HU diluted at 1:50 and staining in paraffin-embedded human gastric cancer performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0) . Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Anti-Human lgG, Fcy Fragment Specific labeled by HRP and visualized using 0.05% DAB.
Target: PTH
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Immunohistochemistry
From $210.00
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The Binding Activity of Human CD38 with Anti-CD38 recombinant antibodyActivity: Measured by its binding ability in a functional ELISA.Immobilized Human CD38(CSB-MP004929HUc7) at 2 μg/mL can bind Anti-CD38 recombinant antibody. The EC<sub>50</sub> is 7.073-8.315 ng/mL.
Target: CD38
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA
From $210.00
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Raji cells were stained with anti-CD19 antibody (CSB-RA004888MA5HU) (2µg/1*10<sup>6</sup>cells) (red line) , washed and then followed by PE-conjugated anti-His Tag antibody and analyzed with flow cytometry.
Target: CD19
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Flow Cytometry
From $210.00
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The Binding Activity of Human TSHR with Anti-TSHR Recombinant AntibodyActivity: Measured by its binding ability in a functional ELISA. Immobilized Human TSHR (CSB-MP025131HU) at 10 μg/mL can bind Anti-TSHR recombinant antibody. The EC<sub>50</sub> is 30.81-36.12 ng/mL.
The VLPs (CSB-MP3838) is negative control.
Target: TSHR
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA
From $210.00
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The Binding Activity of Human CFD with Anti-CFD Recombinant AntibodyActivity: Measured by its binding ability in a functional ELISA. Immobilized Human CFD (CSB-MP005271HU) at 2 μg/mL can bind Anti-CFD recombinant antibody. The EC<sub>50</sub> is 31.86-39.21 ng/mL.
Target: CFD
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA
From $210.00
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IHC image of CSB-RA004434MA1HU diluted at 1:50 and staining in paraffin-embedded human thyroid tissue performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Anti-Human lgG, Fcy Fragment Specific labeled by HRP and visualized using 0.05% DAB.
Target: CALCA
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Immunohistochemistry, Flow Cytometry
From $210.00
Regular price From $210.00
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IHC image of CSB-RA005386MA1HU diluted at 1:50 and staining in paraffin-embedded human skeletal muscle tissue performed on a Leica BondTM system. After dewaxing and hydration, antigen retrieval was mediated by high pressure in a citrate buffer (pH 6.0). Section was blocked with 10% normal goat serum 30min at RT. Then primary antibody (1% BSA) was incubated at 4°C overnight. The primary is detected by a Anti-Human lgG, Fcy Fragment Specific labeled by HRP and visualized using 0.05% DAB.
Target: CHRNA1
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Immunohistochemistry
From $210.00
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Western Blot
Positive WB detected in: SH-SY5Y whole cell lysate(30µg), U-251MG whole cell lysate(30µg), HeLa whole cell lysate(30µg), Jurkat whole cell lysate(30µg), THP-1 whole cell lysate(30µg), PC-3 whole cell lysate(30µg), MCF-7 whole cell lysate(30µg)
All lanes: CBX5 antibody at 1:1000
Secondary
Goat polyclonal to human IgG at 1/40000 dilution
Predicted band size: 22 kDa
Observed band size: 22 kDa
Exposure time: 2min
Target: CBX5
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Western Blot, Flow Cytometry
From $210.00
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Immunofluorescence staining of SH-SY5Y cell with CSB-RA001311MA1HU at 1:30 ,counter-stained with DAPI. The cells were fixed in 4% formaldehyde, permeabilized using 0.2% Triton X-100 and blocked in 10% normal Goat Serum. The cells were then incubated with the antibody overnight at 4°C. The secondary antibody was Fluorescein (FITC) AffiniPure Goat Anti-Human IgG, Fcγ fragment specific.
Target: ADAMTS4
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Immunofluorescence
From $210.00
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The Binding Activity of Human CD8A with Anti-CD8A Recombinant antibodyActivity: Measured by its binding ability in a functional ELISA. Immobilized Human CD8A (CSB-MP004966HUd7) at 5 μg/mL can bind Anti-CD8A recombinant antibody. The EC<sub>50</sub> is 11.49-20.78 ng/mL.
Target: CD8A
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA
From $210.00
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Overlay Peak curve showing Jurkat cells surface stained with CSB-RA004960MA2HU (red line) at 1:100. Then 10% normal goat serum to block non-specific protein-protein interactions followed by the antibody (1ug/1*10 6 cells) for 45min at 4℃. The secondary antibody used was Fluorescein (FITC) AffiniPure Goat Anti-Human IgG, Fcγ fragment specific at 1:200 dilution for 35min at 4℃.Control antibody (green line) was human IgG1 (1ug/1*10 6 cells) used under the same conditions.
Target: CD81
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Flow Cytometry
From $210.00
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Overlay Peak curve showing PC-3 cells stained with CSB-RA004969MA1HU (red line) at 1:100. The cells were fixed in 4% formaldehyde and permeated by 0.2% TritonX-100 for 10min. Then 10% normal goat serum to block non-specific protein-protein interactions followed by the antibody (1ug/1*10 6 cells) for 45min at 4℃.
Target: CD9
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Flow Cytometry
From $210.00
Regular price From $210.00
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Overlay Peak curve showing HepG2 cells surface stained with CSB-RA004939MA1HU (red line) at 1:100. Then 10% normal goat serum to block non-specific protein-protein interactions followed by the antibody (1ug/1*10 6 cells) for 45min at 4℃. The secondary antibody used was Fluorescein (FITC) AffiniPure Goat Anti-Human IgG, Fcγ fragment specific at 1:200 dilution for 35min at 4℃.Control antibody (green line) was human IgG1 (1ug/1*10 6 cells) used under the same conditions.
Target: CD46
Antibodies, Primary Antibodies, Recombinant Antibodies ELISA, Flow Cytometry
From $210.00
Regular price From $210.00
In Stock at Manufacturer

About Recombinant Antibodies

Recombinant antibodies are monoclonal antibodies whose heavy- and light-chain sequences are cloned and expressed in defined cell lines (CHO or HEK), rather than produced from a hybridoma or animal serum. Because the sequence is archived, every lot is identical, production is animal-free, and supply does not depend on a cell line or host animal — the format of choice when reproducibility and long-term availability matter most.

Choosing an antibody format: Recombinant vs Monoclonal vs Polyclonal

Recombinant antibodies sit at the reproducibility end of the spectrum. Use the table to weigh them against conventional monoclonal and polyclonal formats.

AttributePolyclonalMonoclonalRecombinant
SpecificityModerate-high - multi-epitopeHigh - single epitopeHigh - single defined epitope
Batch consistencyLow-moderateHighHighest - sequence-defined
Cross-reactivity riskHigher - multiple clonesLowLow
Animal-freeNoPartialYes - fully animal-free
Supply continuityLimited - animal & lot dependentGood - cell-line dependentExcellent - sequence archived
Best forLow-abundance / denatured targetsValidated, reproducible assaysLong-term reproducibility & supply
How to read this: choose recombinant when lot-to-lot consistency, animal-free sourcing, or guaranteed supply are priorities; a conventional monoclonal or polyclonal antibody may be more economical for routine or exploratory work. For the full decision framework, see the antibody format comparison guide.

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