SMAD1 Rabbit Polyclonal Antibody

SMAD1 Rabbit Polyclonal Antibody

 

Smad1 Polyclonal Antibody

ABP52456-003ml Abbkine 0.03ml 189.6 EUR
Description: A polyclonal antibody for detection of Smad1 from Human, Mouse. This Smad1 antibody is for WB, IHC-P, IF, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the non-phosphorylation site of S187

Smad1 Polyclonal Antibody

ABP52456-01ml Abbkine 0.1ml 346.8 EUR
Description: A polyclonal antibody for detection of Smad1 from Human, Mouse. This Smad1 antibody is for WB, IHC-P, IF, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the non-phosphorylation site of S187

Smad1 Polyclonal Antibody

ABP52456-02ml Abbkine 0.2ml 496.8 EUR
Description: A polyclonal antibody for detection of Smad1 from Human, Mouse. This Smad1 antibody is for WB, IHC-P, IF, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the non-phosphorylation site of S187

Smad1 Polyclonal Antibody

ABP53078-003ml Abbkine 0.03ml 189.6 EUR
Description: A polyclonal antibody for detection of Smad1 from Human, Mouse, Rat. This Smad1 antibody is for WB, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the non-phosphorylation site of S214

Smad1 Polyclonal Antibody

ABP53078-01ml Abbkine 0.1ml 346.8 EUR
Description: A polyclonal antibody for detection of Smad1 from Human, Mouse, Rat. This Smad1 antibody is for WB, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the non-phosphorylation site of S214

Smad1 Polyclonal Antibody

ABP53078-02ml Abbkine 0.2ml 496.8 EUR
Description: A polyclonal antibody for detection of Smad1 from Human, Mouse, Rat. This Smad1 antibody is for WB, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the non-phosphorylation site of S214

Smad1 Polyclonal Antibody

ABP55154-003ml Abbkine 0.03ml 189.6 EUR
Description: A polyclonal antibody for detection of Smad1 from Human, Mouse, Rat, Monkey. This Smad1 antibody is for WB, IHC-P, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the non-phosphorylation site of S465

Smad1 Polyclonal Antibody

ABP55154-01ml Abbkine 0.1ml 346.8 EUR
Description: A polyclonal antibody for detection of Smad1 from Human, Mouse, Rat, Monkey. This Smad1 antibody is for WB, IHC-P, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the non-phosphorylation site of S465

Smad1 Polyclonal Antibody

ABP55154-02ml Abbkine 0.2ml 496.8 EUR
Description: A polyclonal antibody for detection of Smad1 from Human, Mouse, Rat, Monkey. This Smad1 antibody is for WB, IHC-P, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the non-phosphorylation site of S465

SMAD1 Polyclonal Antibody

A61034 EpiGentek
  • 684.66 EUR
  • Ask for price
  • Ask for price
  • 423.50 EUR
  • 100 µg
  • 20 ul
  • 50 ul
  • 100 ul

SMAD1 Polyclonal Antibody

ABP60435-003ml Abbkine 0.03ml 189.6 EUR
Description: A polyclonal antibody for detection of SMAD1 from Human, Mouse, Rat. This SMAD1 antibody is for WB, ELISA. It is affinity-purified from rabbit serum by affinity-chromatography using the specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from part region of human SMAD1 protein at amino acid sequence of 390-470

SMAD1 Polyclonal Antibody

ABP60435-01ml Abbkine 0.1ml 346.8 EUR
Description: A polyclonal antibody for detection of SMAD1 from Human, Mouse, Rat. This SMAD1 antibody is for WB, ELISA. It is affinity-purified from rabbit serum by affinity-chromatography using the specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from part region of human SMAD1 protein at amino acid sequence of 390-470

SMAD1 Polyclonal Antibody

ABP60435-02ml Abbkine 0.2ml 496.8 EUR
Description: A polyclonal antibody for detection of SMAD1 from Human, Mouse, Rat. This SMAD1 antibody is for WB, ELISA. It is affinity-purified from rabbit serum by affinity-chromatography using the specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from part region of human SMAD1 protein at amino acid sequence of 390-470

Smad1 Polyclonal Antibody

ES4077-100ul ELK Biotech 100ul 334.8 EUR
Description: A Rabbit Polyclonal antibody against Smad1 from Human/Mouse/Rat. This antibody is tested and validated for WB, ELISA, WB, ELISA

Smad1 Polyclonal Antibody

ES4077-50ul ELK Biotech 50ul 248.4 EUR
Description: A Rabbit Polyclonal antibody against Smad1 from Human/Mouse/Rat. This antibody is tested and validated for WB, ELISA, WB, ELISA

Smad1 Polyclonal Antibody

ES6153-100ul ELK Biotech 100ul 334.8 EUR
Description: A Rabbit Polyclonal antibody against Smad1 from Human/Mouse/Rat/Monkey. This antibody is tested and validated for WB, ELISA, IHC, WB, ELISA

Smad1 Polyclonal Antibody

ES6153-50ul ELK Biotech 50ul 248.4 EUR
Description: A Rabbit Polyclonal antibody against Smad1 from Human/Mouse/Rat/Monkey. This antibody is tested and validated for WB, ELISA, IHC, WB, ELISA

Smad1 Polyclonal Antibody

ES3455-100ul ELK Biotech 100ul 334.8 EUR
Description: A Rabbit Polyclonal antibody against Smad1 from Human/Mouse. This antibody is tested and validated for WB, ELISA, IHC, IF, WB, ELISA

Smad1 Polyclonal Antibody

ES3455-50ul ELK Biotech 50ul 248.4 EUR
Description: A Rabbit Polyclonal antibody against Smad1 from Human/Mouse. This antibody is tested and validated for WB, ELISA, IHC, IF, WB, ELISA

SMAD1 Polyclonal Antibody

ES8997-100ul ELK Biotech 100ul 334.8 EUR
Description: A Rabbit Polyclonal antibody against SMAD1 from Human/Mouse/Rat. This antibody is tested and validated for WB, ELISA, WB, ELISA

SMAD1 Polyclonal Antibody

ES8997-50ul ELK Biotech 50ul 248.4 EUR
Description: A Rabbit Polyclonal antibody against SMAD1 from Human/Mouse/Rat. This antibody is tested and validated for WB, ELISA, WB, ELISA

Smad1 Polyclonal Antibody

E20-74323 EnoGene 100ug 225 EUR
Description: Available in various conjugation types.

Smad1 Polyclonal Antibody

E20-74324 EnoGene 100ug 225 EUR
Description: Available in various conjugation types.

Smad1 Polyclonal Antibody

E20-75347 EnoGene 100ug 225 EUR
Description: Available in various conjugation types.

Smad3 Rabbit Polyclonal Antibody

E12-393 EnoGene 100μg/100μl 225 EUR
Description: Available in various conjugation types.

Smad3 Rabbit Polyclonal Antibody

E12-394 EnoGene 100μg/100μl 225 EUR
Description: Available in various conjugation types.

Smad2 Rabbit Polyclonal Antibody

E12-434 EnoGene 100μg/100μl 255 EUR
Description: Available in various conjugation types.

Rabbit Anti-Human SMAD3 (aa 206-210) Polyclonal Antibody Rabbit Anti-Human SMAD3 (aa 206-210) Polyclonal Antibody Rabbit Anti-Human SMAD3 (aa 206-210) Polyclonal Antibody Rabbit Anti-Human SMAD3 (aa 206-210) Polyclonal Antibody

CPB-1195RH Creative Diagnostics 100 ul 552 EUR

Smad1/Smad5/Smad9 Polyclonal Antibody

30038-100ul SAB 100ul 302.4 EUR

Smad1/Smad5/Smad9 Polyclonal Antibody

30038-50ul SAB 50ul 224.4 EUR

Smad1/Smad5/Smad9 Polyclonal Antibody

E917439 EnoGene 100ul 225 EUR
Description: Available in various conjugation types.

Smad1/5/9 Polyclonal Antibody

41441-100ul SAB 100ul 302.4 EUR

Smad1/5/9 Polyclonal Antibody

41441-50ul SAB 50ul 224.4 EUR

Smad1/5/9 Polyclonal Antibody

ABP52457-003ml Abbkine 0.03ml 189.6 EUR
Description: A polyclonal antibody for detection of Smad1/5/9 from Human, Mouse, Rat. This Smad1/5/9 antibody is for WB, IHC-P, IF, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from the N-terminal region of human Smad1/5/9 at AA range: 10-90

Smad1/5/9 Polyclonal Antibody

ABP52457-01ml Abbkine 0.1ml 346.8 EUR
Description: A polyclonal antibody for detection of Smad1/5/9 from Human, Mouse, Rat. This Smad1/5/9 antibody is for WB, IHC-P, IF, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from the N-terminal region of human Smad1/5/9 at AA range: 10-90

Smad1/5/9 Polyclonal Antibody

ABP52457-02ml Abbkine 0.2ml 496.8 EUR
Description: A polyclonal antibody for detection of Smad1/5/9 from Human, Mouse, Rat. This Smad1/5/9 antibody is for WB, IHC-P, IF, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from the N-terminal region of human Smad1/5/9 at AA range: 10-90

Smad1/5/9 Polyclonal Antibody

ABP60436-003ml Abbkine 0.03ml 189.6 EUR
Description: A polyclonal antibody for detection of Smad1/5/9 from Human, Mouse, Rat. This Smad1/5/9 antibody is for WB, ELISA. It is affinity-purified from rabbit serum by affinity-chromatography using the specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from part region of human Smad1/5/9 protein at amino acid sequence of 291-340

Smad1/5/9 Polyclonal Antibody

ABP60436-01ml Abbkine 0.1ml 346.8 EUR
Description: A polyclonal antibody for detection of Smad1/5/9 from Human, Mouse, Rat. This Smad1/5/9 antibody is for WB, ELISA. It is affinity-purified from rabbit serum by affinity-chromatography using the specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from part region of human Smad1/5/9 protein at amino acid sequence of 291-340

Smad1/5/9 Polyclonal Antibody

ABP60436-02ml Abbkine 0.2ml 496.8 EUR
Description: A polyclonal antibody for detection of Smad1/5/9 from Human, Mouse, Rat. This Smad1/5/9 antibody is for WB, ELISA. It is affinity-purified from rabbit serum by affinity-chromatography using the specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from part region of human Smad1/5/9 protein at amino acid sequence of 291-340

Smad1/5/9 Polyclonal Antibody

ES3456-100ul ELK Biotech 100ul 334.8 EUR
Description: A Rabbit Polyclonal antibody against Smad1/5/9 from Human/Mouse/Rat. This antibody is tested and validated for WB, ELISA, IHC, IF, WB, ELISA

Smad1/5/9 Polyclonal Antibody

ES3456-50ul ELK Biotech 50ul 248.4 EUR
Description: A Rabbit Polyclonal antibody against Smad1/5/9 from Human/Mouse/Rat. This antibody is tested and validated for WB, ELISA, IHC, IF, WB, ELISA

Smad1/5/9 Polyclonal Antibody

ES8854-100ul ELK Biotech 100ul 334.8 EUR
Description: A Rabbit Polyclonal antibody against Smad1/5/9 from Human/Mouse/Rat. This antibody is tested and validated for WB, ELISA, WB, ELISA

Smad1/5/9 Polyclonal Antibody

ES8854-50ul ELK Biotech 50ul 248.4 EUR
Description: A Rabbit Polyclonal antibody against Smad1/5/9 from Human/Mouse/Rat. This antibody is tested and validated for WB, ELISA, WB, ELISA

Smad1/5/9 Polyclonal Antibody

E041441 EnoGene 100μg/100μl 255 EUR
Description: Available in various conjugation types.

Smad1/5/9 Polyclonal Antibody

E20-74325 EnoGene 100ug 225 EUR
Description: Available in various conjugation types.

Polyclonal SMAD1 Antibody (Center)

APR17871G Leading Biology 0.1ml 580.8 EUR
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human SMAD1 (Center). This antibody is tested and proven to work in the following applications:

Polyclonal SMAD1 Antibody (Center)

APR04642G Leading Biology 0.1ml 580.8 EUR
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human SMAD1 (Center). This antibody is tested and proven to work in the following applications:

Polyclonal SMAD1 Antibody (Center)

APR04731G Leading Biology 0.1ml 580.8 EUR
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human SMAD1 (Center). This antibody is tested and proven to work in the following applications:

Polyclonal SMAD1 Antibody (Center)

APR04750G Leading Biology 0.1ml 580.8 EUR
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human SMAD1 (Center). This antibody is tested and proven to work in the following applications:

Polyclonal SMAD1 Antibody (N-term)

APR04519G Leading Biology 0.1ml 580.8 EUR
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human SMAD1 (N-term). This antibody is tested and proven to work in the following applications:

Smad1 (phospho Ser465) Polyclonal Antibody

ABP50458-003ml Abbkine 0.03ml 189.6 EUR
Description: A polyclonal antibody for detection of Smad1 phospho Ser465) from Human, Mouse, Rat. This Smad1 phospho Ser465) antibody is for WB , IHC-P, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the phosphorylation site of S465

Smad1 (phospho Ser465) Polyclonal Antibody

ABP50458-01ml Abbkine 0.1ml 346.8 EUR
Description: A polyclonal antibody for detection of Smad1 phospho Ser465) from Human, Mouse, Rat. This Smad1 phospho Ser465) antibody is for WB , IHC-P, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the phosphorylation site of S465

Smad1 (phospho Ser465) Polyclonal Antibody

ABP50458-02ml Abbkine 0.2ml 496.8 EUR
Description: A polyclonal antibody for detection of Smad1 phospho Ser465) from Human, Mouse, Rat. This Smad1 phospho Ser465) antibody is for WB , IHC-P, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the phosphorylation site of S465

Smad1 (phospho Ser187) Polyclonal Antibody

ABP55153-003ml Abbkine 0.03ml 189.6 EUR
Description: A polyclonal antibody for detection of Smad1 phospho Ser187) from Human, Mouse, Monkey. This Smad1 phospho Ser187) antibody is for WB, IHC-P, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the phosphorylation site of S187

Smad1 (phospho Ser187) Polyclonal Antibody

ABP55153-01ml Abbkine 0.1ml 346.8 EUR
Description: A polyclonal antibody for detection of Smad1 phospho Ser187) from Human, Mouse, Monkey. This Smad1 phospho Ser187) antibody is for WB, IHC-P, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the phosphorylation site of S187

Smad1 (phospho Ser187) Polyclonal Antibody

ABP55153-02ml Abbkine 0.2ml 496.8 EUR
Description: A polyclonal antibody for detection of Smad1 phospho Ser187) from Human, Mouse, Monkey. This Smad1 phospho Ser187) antibody is for WB, IHC-P, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from human Smad1 around the phosphorylation site of S187

SMAD1 Polyclonal Antibody, HRP Conjugated

A61037 EpiGentek
  • 684.66 EUR
  • 302.50 EUR
  • 423.50 EUR
  • 100 µg
  • 50 ul
  • 100 ul

Smad1 (phospho Ser465) Polyclonal Antibody

ES1457-100ul ELK Biotech 100ul 334.8 EUR
Description: A Rabbit Polyclonal antibody against Smad1 (phospho Ser465) from Human/Mouse/Rat. This antibody is tested and validated for WB, ELISA, IHC, WB, ELISA

Smad1 (phospho Ser465) Polyclonal Antibody

ES1457-50ul ELK Biotech 50ul 248.4 EUR
Description: A Rabbit Polyclonal antibody against Smad1 (phospho Ser465) from Human/Mouse/Rat. This antibody is tested and validated for WB, ELISA, IHC, WB, ELISA

Smad1 (phospho Ser187) Polyclonal Antibody

ES6152-100ul ELK Biotech 100ul 334.8 EUR
Description: A Rabbit Polyclonal antibody against Smad1 (phospho Ser187) from Human/Mouse/Monkey. This antibody is tested and validated for WB, ELISA, IHC, WB, ELISA

Smad1 (phospho Ser187) Polyclonal Antibody

ES6152-50ul ELK Biotech 50ul 248.4 EUR
Description: A Rabbit Polyclonal antibody against Smad1 (phospho Ser187) from Human/Mouse/Monkey. This antibody is tested and validated for WB, ELISA, IHC, WB, ELISA

Smad1 (phospho Ser465) Polyclonal Antibody

E20-60583 EnoGene 100ug 225 EUR
Description: Available in various conjugation types.

Smad1 (phospho Ser187) Polyclonal Antibody

E20-60744 EnoGene 100ug 225 EUR
Description: Available in various conjugation types.

Smad1 (phospho-S465) polyclonal antibody

E43S4573 EnoGene 100ul 225 EUR
Description: Available in various conjugation types.

SMAD1 Polyclonal Antibody, FITC Conjugated

A61036 EpiGentek
  • 684.66 EUR
  • 302.50 EUR
  • 423.50 EUR
  • 100 µg
  • 50 ul
  • 100 ul

Smad1/Smad5/Smad9 Polyclonal Conjugated Antibody

C30038 SAB 100ul 476.4 EUR

Polyclonal SMAD1 Antibody (aa153-202)

APR03079G Leading Biology 0.05ml 580.8 EUR
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human SMAD1 (aa153-202). This antibody is tested and proven to work in the following applications:

Rabbit Anti-Human SMAD6 polyclonal antibody

CABT-BL001 Creative Diagnostics 100 ul 702 EUR

Polyclonal (Mouse) Smad1 Antibody (Center)

AMM08733G Leading Biology 0.1ml 580.8 EUR
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human (Mouse) Smad1 (Center). This antibody is tested and proven to work in the following applications:

Rabbit Anti-Human SMAD2 (aa 463-467) Polyclonal Antibody

CPB-1193RH Creative Diagnostics 100 ul 552 EUR

Rabbit Anti-Human SMAD2 (aa 218-222) Polyclonal Antibody

CPB-1194RH Creative Diagnostics 100 ul 552 EUR

Rabbit Anti-Human SMAD3 (aa 423-427) Polyclonal Antibody

CPB-1196RH Creative Diagnostics 100 ul 552 EUR

SMAD1 Polyclonal Antibody, Biotin Conjugated

A61035 EpiGentek
  • 684.66 EUR
  • 302.50 EUR
  • 423.50 EUR
  • 100 µg
  • 50 ul
  • 100 ul

Polyclonal Smad1/5 (Ser463/465) Antibody

APR17872G Leading Biology 0.1ml 580.8 EUR
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human Smad1/5 (Ser463/465) . This antibody is tested and proven to work in the following applications:

Polyclonal Smad1/5 (Ser463/465) Antibody

APR04641G Leading Biology 0.1ml 580.8 EUR
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human Smad1/5 (Ser463/465) . This antibody is tested and proven to work in the following applications:

Polyclonal Smad1 (Phospho-Ser465) Antibody

APR17870G Leading Biology 0.1ml 580.8 EUR
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human Smad1 (Phospho-Ser465) . This antibody is tested and proven to work in the following applications:

Polyclonal SMAD1 antibody - N-terminal region

APR00736G Leading Biology 0.1mg 580.8 EUR
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human SMAD1 - N-terminal region. This antibody is tested and proven to work in the following applications:

Rabbit Anti-Human SMAD2 Polyclonal Antibody, Phospho-Ser467

CPB-834RH Creative Diagnostics 100 ul 670.8 EUR

Rabbit Anti-Human SMAD2 Polyclonal Antibody, Phospho-Thr220

CPB-835RH Creative Diagnostics 100 ul 670.8 EUR

Rabbit Anti-Human SMAD3 Polyclonal Antibody, Phospho-Ser425

CPB-836RH Creative Diagnostics 100 ul 670.8 EUR

Smad1 (Phospho-Ser206) Polyclonal Conjugated Antibody

C11579 SAB 100ul 476.4 EUR

Smad1 (Phospho-Ser187) Polyclonal Conjugated Antibody

C12074 SAB 100ul 476.4 EUR

 

SMAD1 Rabbit Polyclonal Antibody