Human NT3(Neurotrophin 3) ELISA Kit

Human NT3(Neurotrophin 3) ELISA Kit

Mouse Neurotrophin 3 (NT3) ELISA Kit
DLR-NT3-Mu-48T	DL Develop	48T	450 EUR

Description: A sandwich quantitative ELISA assay kit for detection of Mouse Neurotrophin 3 (NT3) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Mouse Neurotrophin 3 (NT3) ELISA Kit
DLR-NT3-Mu-96T	DL Develop	96T	582 EUR

Description: A sandwich quantitative ELISA assay kit for detection of Mouse Neurotrophin 3 (NT3) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Rat Neurotrophin 3 (NT3) ELISA Kit
DLR-NT3-Ra-48T	DL Develop	48T	508 EUR

Description: A sandwich quantitative ELISA assay kit for detection of Rat Neurotrophin 3 (NT3) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Rat Neurotrophin 3 (NT3) ELISA Kit
DLR-NT3-Ra-96T	DL Develop	96T	661 EUR

Description: A sandwich quantitative ELISA assay kit for detection of Rat Neurotrophin 3 (NT3) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Mouse Neurotrophin 3 (NT3) ELISA Kit
RDR-NT3-Mu-48Tests	Reddot Biotech	48 Tests	465 EUR
Mouse Neurotrophin 3 (NT3) ELISA Kit
RDR-NT3-Mu-96Tests	Reddot Biotech	96 Tests	643 EUR
Rat Neurotrophin 3 (NT3) ELISA Kit
RDR-NT3-Ra-48Tests	Reddot Biotech	48 Tests	534 EUR
Rat Neurotrophin 3 (NT3) ELISA Kit
RDR-NT3-Ra-96Tests	Reddot Biotech	96 Tests	742 EUR
Human Neurotrophin 3 (NT3) ELISA Kit
SEA106Hu-10x96wellstestplate	Cloud-Clone	10x96-wells test plate	4273.35 EUR

Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Human Neurotrophin 3 (NT3) ELISA Kit
SEA106Hu-1x48wellstestplate	Cloud-Clone	1x48-wells test plate	439.57 EUR

Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Human Neurotrophin 3 (NT3) ELISA Kit
SEA106Hu-1x96wellstestplate	Cloud-Clone	1x96-wells test plate	585.1 EUR

Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Human Neurotrophin 3 (NT3) ELISA Kit
SEA106Hu-5x96wellstestplate	Cloud-Clone	5x96-wells test plate	2332.95 EUR

Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Human Neurotrophin 3 (NT3) ELISA Kit
4-SEA106Hu	Cloud-Clone	4324.00 EUR 2283.00 EUR 586.00 EUR	10 plates of 96 wells 5 plates of 96 wells 1 plate of 96 wells

Description: Enzyme-linked immunosorbent assay based on the Double-antibody Sandwich method for detection of Human Neurotrophin 3 (NT3) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids with no significant corss-reactivity with analogues from other species.
Human Neurotrophin 3 ELISA Kit (NT3)
RK01968	Abclonal	96 Tests	521 EUR
Mouse Neurotrophin 3 (NT3) ELISA Kit
SEA106Mu-10x96wellstestplate	Cloud-Clone	10x96-wells test plate	3919.92 EUR

Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Mouse Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Mouse Neurotrophin 3 (NT3) ELISA Kit
SEA106Mu-1x48wellstestplate	Cloud-Clone	1x48-wells test plate	410.46 EUR

Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Mouse Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Mouse Neurotrophin 3 (NT3) ELISA Kit
SEA106Mu-1x96wellstestplate	Cloud-Clone	1x96-wells test plate	543.52 EUR

Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Mouse Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Mouse Neurotrophin 3 (NT3) ELISA Kit
SEA106Mu-5x96wellstestplate	Cloud-Clone	5x96-wells test plate	2145.84 EUR

Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Mouse Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Mouse Neurotrophin 3 (NT3) ELISA Kit
4-SEA106Mu	Cloud-Clone	3970.00 EUR 2096.00 EUR 544.00 EUR	10 plates of 96 wells 5 plates of 96 wells 1 plate of 96 wells

Description: Enzyme-linked immunosorbent assay based on the Double-antibody Sandwich method for detection of Mouse Neurotrophin 3 (NT3) in samples from Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids with no significant corss-reactivity with analogues from other species.
Rat Neurotrophin 3 (NT3) ELISA Kit
SEA106Ra-10x96wellstestplate	Cloud-Clone	10x96-wells test plate	4626.78 EUR

Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Rat Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Rat Neurotrophin 3 (NT3) ELISA Kit
SEA106Ra-1x48wellstestplate	Cloud-Clone	1x48-wells test plate	468.68 EUR

Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Rat Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Rat Neurotrophin 3 (NT3) ELISA Kit
SEA106Ra-1x96wellstestplate	Cloud-Clone	1x96-wells test plate	626.68 EUR

Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Rat Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Rat Neurotrophin 3 (NT3) ELISA Kit
SEA106Ra-5x96wellstestplate	Cloud-Clone	5x96-wells test plate	2520.06 EUR

Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Rat Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Rat Neurotrophin 3 (NT3) ELISA Kit
4-SEA106Ra	Cloud-Clone	4677.00 EUR 2471.00 EUR 627.00 EUR	10 plates of 96 wells 5 plates of 96 wells 1 plate of 96 wells

Description: Enzyme-linked immunosorbent assay based on the Double-antibody Sandwich method for detection of Rat Neurotrophin 3 (NT3) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids with no significant corss-reactivity with analogues from other species.
Mouse Neurotrophin 3 ELISA Kit (NT3)
RK03080	Abclonal	96 Tests	521 EUR
Rat Neurotrophin 3 ELISA Kit (NT3)
RK03852	Abclonal	96 Tests	521 EUR
Bovine Neurotrophin 3 (NT3)ELISA Kit
GA-E0075BV-48T	GenAsia Biotech	48T	336 EUR
Bovine Neurotrophin 3 (NT3)ELISA Kit
GA-E0075BV-96T	GenAsia Biotech	96T	534 EUR
Recombinant Neurotrophin 3 (NT3)
4-RPA106Hu01	Cloud-Clone	485.28 EUR 233.00 EUR 1544.80 EUR 581.60 EUR 1063.20 EUR 388.00 EUR 3712.00 EUR	100 ug 10ug 1 mg 200 ug 500 ug 50ug 5 mg

Description: Recombinant Human Neurotrophin 3 expressed in: E.coli
Recombinant Neurotrophin 3 (NT3)
4-RPA106Hu02	Cloud-Clone	485.28 EUR 233.00 EUR 1544.80 EUR 581.60 EUR 1063.20 EUR 388.00 EUR 3712.00 EUR	100 ug 10ug 1 mg 200 ug 500 ug 50ug 5 mg

Description: Recombinant Human Neurotrophin 3 expressed in: E.coli
Recombinant Neurotrophin 3 (NT3)
4-RPA106Ra01	Cloud-Clone	512.16 EUR 240.00 EUR 1645.60 EUR 615.20 EUR 1130.40 EUR 406.00 EUR 3964.00 EUR	100 ug 10ug 1 mg 200 ug 500 ug 50ug 5 mg

Description: Recombinant Rat Recombinant Neurotrophin 3 (NT3) expressed in: E.coli
Recombinant Neurotrophin 3 (NT3)
4-RPA106Ra02	Cloud-Clone	404.64 EUR 211.00 EUR 1242.40 EUR 480.80 EUR 861.60 EUR 334.00 EUR 2956.00 EUR	100 ug 10ug 1 mg 200 ug 500 ug 50ug 5 mg

Description: Recombinant Rat Neurotrophin 3 expressed in: E.coli
Neurotrophin 3 (NT3) Antibody
20-abx101104	Abbexa	398.00 EUR 133.00 EUR 1107.00 EUR 537.00 EUR 314.00 EUR	100 ug 10 ug 1 mg 200 ug 50 ug

Neurotrophin 3 (NT3) Antibody
20-abx101105	Abbexa	398.00 EUR 133.00 EUR 1107.00 EUR 537.00 EUR 314.00 EUR	100 ug 10 ug 1 mg 200 ug 50 ug

Neurotrophin 3 (NT3) Antibody
20-abx177792	Abbexa	356.00 EUR 133.00 EUR 1024.00 EUR 509.00 EUR 300.00 EUR	100 ug 10 ug 1 mg 200 ug 50 ug

Neurotrophin 3 (NT3) Antibody
20-abx177793	Abbexa	1135.00 EUR 551.00 EUR	1 mg 200 ug

Neurotrophin 3 (NT3) Antibody
20-abx177794	Abbexa	1177.00 EUR 578.00 EUR	1 mg 200 ug

Neurotrophin 3 (NT3) Antibody
20-abx177795	Abbexa	1177.00 EUR 578.00 EUR	1 mg 200 ug

Neurotrophin 3 (NT3) Antibody
20-abx177796	Abbexa	1288.00 EUR 620.00 EUR	1 mg 200 ug

Neurotrophin 3 (NT3) Antibody
20-abx177797	Abbexa	1288.00 EUR 620.00 EUR	1 mg 200 ug

Neurotrophin 3 (NT3) Antibody
20-abx173807	Abbexa	314.00 EUR 787.00 EUR 411.00 EUR 154.00 EUR 258.00 EUR	100 ug 1 mg 200 ug 20 ug 50 ug

Neurotrophin 3 (NT3) Antibody
20-abx173808	Abbexa	843.00 EUR 439.00 EUR	1 mg 200 ug

ELISA kit for Human NT3 (Neurotrophin 3)
ELK2296	ELK Biotech	1 plate of 96 wells	432 EUR

Description: A sandwich ELISA kit for detection of Neurotrophin 3 from Human in samples from blood, serum, plasma, cell culture fluid and other biological fluids.
Human Neurotrophin 3 (NT3)CLIA Kit
SCA106Hu-10x96wellstestplate	Cloud-Clone	10x96-wells test plate	5647.8 EUR

Description: This is Double-antibody Sandwich Chemiluminescent immunoassay for detection of Human Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Human Neurotrophin 3 (NT3)CLIA Kit
SCA106Hu-1x48wellstestplate	Cloud-Clone	1x48-wells test plate	552.76 EUR

Description: This is Double-antibody Sandwich Chemiluminescent immunoassay for detection of Human Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Human Neurotrophin 3 (NT3)CLIA Kit
SCA106Hu-1x96wellstestplate	Cloud-Clone	1x96-wells test plate	746.8 EUR

Description: This is Double-antibody Sandwich Chemiluminescent immunoassay for detection of Human Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Human Neurotrophin 3 (NT3)CLIA Kit
SCA106Hu-5x96wellstestplate	Cloud-Clone	5x96-wells test plate	3060.6 EUR

Description: This is Double-antibody Sandwich Chemiluminescent immunoassay for detection of Human Neurotrophin 3 (NT3) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids.
Human Neurotrophin 3 (NT3) CLIA Kit
4-SCA106Hu	Cloud-Clone	5698.00 EUR 3061.00 EUR 747.00 EUR	10 plates of 96 wells 5 plates of 96 wells 1 plate of 96 wells

Description: Double-antibody Sandwich chemiluminescent immunoassay for detection of Human Neurotrophin 3 (NT3)Serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
Human Neurotrophin 3 (NT3) CLIA Kit
20-abx190070	Abbexa	7911.00 EUR 4215.00 EUR 973.00 EUR	10 × 96 tests 5 × 96 tests 96 tests

Human Neurotrophin 3 (NT3) Protein
20-abx068270	Abbexa	676.00 EUR 286.00 EUR 2082.00 EUR 801.00 EUR 481.00 EUR	100 ug 10 ug 1 mg 200 ug 50 ug

Human Neurotrophin 3 (NT3) Protein
20-abx068271	Abbexa	676.00 EUR 286.00 EUR 2082.00 EUR 801.00 EUR 481.00 EUR	100 ug 10 ug 1 mg 200 ug 50 ug

Recombinant Human Neurotrophin-3/NT3
C079-10ug	Novoprotein	10ug	202 EUR
Description: Lyophilized from a 0.2 μm filtered solution of 20mM PB, 250mM NaCl, pH 7.2.
Recombinant Human Neurotrophin-3/NT3
C079-1mg	Novoprotein	1mg	2283 EUR
Description: Lyophilized from a 0.2 μm filtered solution of 20mM PB, 250mM NaCl, pH 7.2.
Recombinant Human Neurotrophin-3/NT3
C079-500ug	Novoprotein	500ug	1592 EUR
Description: Lyophilized from a 0.2 μm filtered solution of 20mM PB, 250mM NaCl, pH 7.2.
Recombinant Human Neurotrophin-3/NT3
C079-50ug	Novoprotein	50ug	496 EUR
Description: Lyophilized from a 0.2 μm filtered solution of 20mM PB, 250mM NaCl, pH 7.2.
ELISA kit for Mouse NT3 (Neurotrophin 3)
ELK1175	ELK Biotech	1 plate of 96 wells	372 EUR

Description: A sandwich ELISA kit for detection of Neurotrophin 3 from Mouse in samples from blood, serum, plasma, cell culture fluid and other biological fluids.
ELISA kit for Rat NT3 (Neurotrophin 3)
ELK2297	ELK Biotech	1 plate of 96 wells	432 EUR

Description: A sandwich ELISA kit for detection of Neurotrophin 3 from Rat in samples from blood, serum, plasma, cell culture fluid and other biological fluids.
Mouse Neurotrophin 3 (NT3) CLIA Kit
20-abx491027	Abbexa	7378.00 EUR 3933.00 EUR 911.00 EUR	10 × 96 tests 5 × 96 tests 96 tests

Rat Neurotrophin 3 (NT3) CLIA Kit
20-abx491028	Abbexa	8569.00 EUR 4560.00 EUR 1052.00 EUR	10 × 96 tests 5 × 96 tests 96 tests

Neurotrophin 3 (NT3) Antibody Pair
20-abx370038	Abbexa	1595.00 EUR 1024.00 EUR	10 × 96 tests 5 × 96 tests

Rat Neurotrophin 3 (NT3) Protein
20-abx652074	Abbexa	578.00 EUR 258.00 EUR 1720.00 EUR 690.00 EUR 425.00 EUR	100 ug 10 ug 1 mg 200 ug 50 ug

Mouse Neurotrophin 3 (NT3) Protein
20-abx654547	Abbexa	578.00 EUR 258.00 EUR 1720.00 EUR 690.00 EUR 425.00 EUR	100 ug 10 ug 1 mg 200 ug 50 ug

Mouse Neurotrophin 3 (NT3) Protein
20-abx654548	Abbexa	578.00 EUR 258.00 EUR 1720.00 EUR 690.00 EUR 425.00 EUR	100 ug 10 ug 1 mg 200 ug 50 ug

Cow Neurotrophin 3 (NT3) Protein
20-abx654549	Abbexa	648.00 EUR 272.00 EUR 1998.00 EUR 773.00 EUR 467.00 EUR	100 ug 10 ug 1 mg 200 ug 50 ug

Chicken Neurotrophin 3 (NT3) Protein
20-abx654550	Abbexa	648.00 EUR 272.00 EUR 1998.00 EUR 773.00 EUR 467.00 EUR	100 ug 10 ug 1 mg 200 ug 50 ug

Pig Neurotrophin 3 (NT3) Protein
20-abx654551	Abbexa	648.00 EUR 272.00 EUR 1998.00 EUR 773.00 EUR 467.00 EUR	100 ug 10 ug 1 mg 200 ug 50 ug

Neurotrophin 3 (NT3) Antibody (Biotin)
20-abx271923	Abbexa	425.00 EUR 230.00 EUR 1191.00 EUR 578.00 EUR 328.00 EUR	100 ug 10 ug 1 mg 200 ug 50 ug

Neurotrophin 3 (NT3) Monoclonal Antibody (Human)
4-MAA106Hu22	Cloud-Clone	241.00 EUR 2417.00 EUR 604.00 EUR 301.00 EUR 211.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Mouse monoclonal antibody against Human Neurotrophin 3 (NT3)
Neurotrophin 3 (NT3) Polyclonal Antibody (Human)
4-PAA106Hu01	Cloud-Clone	232.00 EUR 2285.00 EUR 574.00 EUR 289.00 EUR 208.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Rabbit polyclonal antibody against Human Neurotrophin 3 (NT3)
Neurotrophin 3 (NT3) Polyclonal Antibody (Human)
4-PAA106Hu02	Cloud-Clone	232.00 EUR 2285.00 EUR 574.00 EUR 289.00 EUR 208.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Rabbit polyclonal antibody against Human Neurotrophin 3 (NT3)
Neurotrophin 3 (NT3) Monoclonal Antibody (Human), APC
4-MAA106Hu22-APC	Cloud-Clone	336.00 EUR 3149.00 EUR 881.00 EUR 427.00 EUR 215.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Mouse monoclonal antibody against Human Neurotrophin 3 (NT3). This antibody is labeled with APC.
Neurotrophin 3 (NT3) Monoclonal Antibody (Human), Biotinylated
4-MAA106Hu22-Biotin	Cloud-Clone	305.00 EUR 2367.00 EUR 704.00 EUR 371.00 EUR 216.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Mouse monoclonal antibody against Human Neurotrophin 3 (NT3). This antibody is labeled with Biotin.
Neurotrophin 3 (NT3) Monoclonal Antibody (Human), Cy3
4-MAA106Hu22-Cy3	Cloud-Clone	407.00 EUR 4157.00 EUR 1133.00 EUR 528.00 EUR 245.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Mouse monoclonal antibody against Human Neurotrophin 3 (NT3). This antibody is labeled with Cy3.
Neurotrophin 3 (NT3) Monoclonal Antibody (Human), FITC
4-MAA106Hu22-FITC	Cloud-Clone	289.00 EUR 2539.00 EUR 724.00 EUR 361.00 EUR 192.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Mouse monoclonal antibody against Human Neurotrophin 3 (NT3). This antibody is labeled with FITC.
Neurotrophin 3 (NT3) Monoclonal Antibody (Human), HRP
4-MAA106Hu22-HRP	Cloud-Clone	308.00 EUR 2745.00 EUR 780.00 EUR 387.00 EUR 203.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Mouse monoclonal antibody against Human Neurotrophin 3 (NT3). This antibody is labeled with HRP.
Neurotrophin 3 (NT3) Monoclonal Antibody (Human), PE
4-MAA106Hu22-PE	Cloud-Clone	289.00 EUR 2539.00 EUR 724.00 EUR 361.00 EUR 192.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Mouse monoclonal antibody against Human Neurotrophin 3 (NT3). This antibody is labeled with PE.
Neurotrophin 3 (NT3) Polyclonal Antibody (Human), APC
4-PAA106Hu01-APC	Cloud-Clone	323.00 EUR 2969.00 EUR 836.00 EUR 409.00 EUR 210.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Rabbit polyclonal antibody against Human Neurotrophin 3 (NT3). This antibody is labeled with APC.
Neurotrophin 3 (NT3) Polyclonal Antibody (Human), Biotinylated
4-PAA106Hu01-Biotin	Cloud-Clone	295.00 EUR 2235.00 EUR 671.00 EUR 358.00 EUR 212.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Rabbit polyclonal antibody against Human Neurotrophin 3 (NT3). This antibody is labeled with Biotin.
Neurotrophin 3 (NT3) Polyclonal Antibody (Human), Cy3
4-PAA106Hu01-Cy3	Cloud-Clone	390.00 EUR 3917.00 EUR 1073.00 EUR 504.00 EUR 239.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Rabbit polyclonal antibody against Human Neurotrophin 3 (NT3). This antibody is labeled with Cy3.
Neurotrophin 3 (NT3) Polyclonal Antibody (Human), FITC
4-PAA106Hu01-FITC	Cloud-Clone	279.00 EUR 2395.00 EUR 688.00 EUR 347.00 EUR 188.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Rabbit polyclonal antibody against Human Neurotrophin 3 (NT3). This antibody is labeled with FITC.
Neurotrophin 3 (NT3) Polyclonal Antibody (Human), HRP
4-PAA106Hu01-HRP	Cloud-Clone	297.00 EUR 2589.00 EUR 741.00 EUR 371.00 EUR 199.00 EUR	100ul 10ml 1ml 200ul 20ul

Description: A Rabbit polyclonal antibody against Human Neurotrophin 3 (NT3). This antibody is labeled with HRP.