Human TFR2(Transferrin Receptor 2) ELISA Kit

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Mouse Transferrin Receptor 2 (TFR2) ELISA Kit
DLR-TFR2-Mu-48T	DL Develop	48T	EUR 489
Description: A sandwich quantitative ELISA assay kit for detection of Mouse Transferrin Receptor 2 (TFR2) in samples from tissue homogenates or other biological fluids.

Mouse Transferrin Receptor 2 (TFR2) ELISA Kit
DLR-TFR2-Mu-96T	DL Develop	96T	EUR 635
Description: A sandwich quantitative ELISA assay kit for detection of Mouse Transferrin Receptor 2 (TFR2) in samples from tissue homogenates or other biological fluids.

Rat Transferrin Receptor 2 (TFR2) ELISA Kit
DLR-TFR2-Ra-48T	DL Develop	48T	EUR 508
Description: A sandwich quantitative ELISA assay kit for detection of Rat Transferrin Receptor 2 (TFR2) in samples from tissue homogenates or other biological fluids.

Rat Transferrin Receptor 2 (TFR2) ELISA Kit
DLR-TFR2-Ra-96T	DL Develop	96T	EUR 661
Description: A sandwich quantitative ELISA assay kit for detection of Rat Transferrin Receptor 2 (TFR2) in samples from tissue homogenates or other biological fluids.

Mouse Transferrin Receptor 2 (TFR2) ELISA Kit
RDR-TFR2-Mu-48Tests	Reddot Biotech	48 Tests	EUR 511

Mouse Transferrin Receptor 2 (TFR2) ELISA Kit
RDR-TFR2-Mu-96Tests	Reddot Biotech	96 Tests	EUR 709

Rat Transferrin Receptor 2 (TFR2) ELISA Kit
RDR-TFR2-Ra-48Tests	Reddot Biotech	48 Tests	EUR 534

Rat Transferrin Receptor 2 (TFR2) ELISA Kit
RDR-TFR2-Ra-96Tests	Reddot Biotech	96 Tests	EUR 742

Mouse Transferrin Receptor 2 (TFR2) ELISA Kit
RD-TFR2-Mu-48Tests	Reddot Biotech	48 Tests	EUR 489

Mouse Transferrin Receptor 2 (TFR2) ELISA Kit
RD-TFR2-Mu-96Tests	Reddot Biotech	96 Tests	EUR 677

Rat Transferrin Receptor 2 (TFR2) ELISA Kit
RD-TFR2-Ra-48Tests	Reddot Biotech	48 Tests	EUR 511

Rat Transferrin Receptor 2 (TFR2) ELISA Kit
RD-TFR2-Ra-96Tests	Reddot Biotech	96 Tests	EUR 709

Human Transferrin Receptor 2 (TFR2) ELISA Kit
SEA262Hu-10x96wellstestplate	Cloud-Clone	10x96-wells test plate	EUR 4273.35
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Transferrin Receptor 2 (TFR2) in serum, plasma, tissue homogenates, cell lysates and other biological fluids.

Human Transferrin Receptor 2 (TFR2) ELISA Kit
SEA262Hu-1x48wellstestplate	Cloud-Clone	1x48-wells test plate	EUR 439.57
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Transferrin Receptor 2 (TFR2) in serum, plasma, tissue homogenates, cell lysates and other biological fluids.

Human Transferrin Receptor 2 (TFR2) ELISA Kit
SEA262Hu-1x96wellstestplate	Cloud-Clone	1x96-wells test plate	EUR 585.1
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Transferrin Receptor 2 (TFR2) in serum, plasma, tissue homogenates, cell lysates and other biological fluids.

Human Transferrin Receptor 2 (TFR2) ELISA Kit
SEA262Hu-5x96wellstestplate	Cloud-Clone	5x96-wells test plate	EUR 2332.95
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human Transferrin Receptor 2 (TFR2) in serum, plasma, tissue homogenates, cell lysates and other biological fluids.

Human Transferrin Receptor 2 (TFR2) ELISA Kit
4-SEA262Hu	Cloud-Clone	EUR 4324.00 EUR 2283.00 EUR 586.00	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 Transferrin Receptor 2 (TFR2) in samples from Serum, plasma, tissue homogenates, cell lysates and other biological fluids with no significant corss-reactivity with analogues from other species.

Human Transferrin Receptor 2 (TFR2) ELISA Kit
20-abx153264	Abbexa	EUR 6642.00 EUR 3542.00 EUR 825.00	10 × 96 tests 5 × 96 tests 96 tests

Human Transferrin Receptor 2 (TFR2) ELISA Kit
abx352132-96tests	Abbexa	96 tests	EUR 754

Human Transferrin Receptor 2(TFR2)ELISA Kit
QY-E00090	Qayee Biotechnology	96T	EUR 361

Mouse Transferrin Receptor 2 (TFR2) ELISA Kit
SEA262Mu-10x96wellstestplate	Cloud-Clone	10x96-wells test plate	EUR 4391.16
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Mouse Transferrin Receptor 2 (TFR2) in Tissue homogenates and other biological fluids.

Mouse Transferrin Receptor 2 (TFR2) ELISA Kit
SEA262Mu-1x48wellstestplate	Cloud-Clone	1x48-wells test plate	EUR 449.27
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Mouse Transferrin Receptor 2 (TFR2) in Tissue homogenates and other biological fluids.

Mouse Transferrin Receptor 2 (TFR2) ELISA Kit
SEA262Mu-1x96wellstestplate	Cloud-Clone	1x96-wells test plate	EUR 598.96
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Mouse Transferrin Receptor 2 (TFR2) in Tissue homogenates and other biological fluids.

Mouse Transferrin Receptor 2 (TFR2) ELISA Kit
SEA262Mu-5x96wellstestplate	Cloud-Clone	5x96-wells test plate	EUR 2395.32
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Mouse Transferrin Receptor 2 (TFR2) in Tissue homogenates and other biological fluids.

Mouse Transferrin Receptor 2 (TFR2) ELISA Kit
4-SEA262Mu	Cloud-Clone	EUR 4442.00 EUR 2346.00 EUR 599.00	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 Transferrin Receptor 2 (TFR2) in samples from Tissue homogenates and other biological fluids. with no significant corss-reactivity with analogues from other species.

Rat Transferrin Receptor 2 (TFR2) ELISA Kit
SEA262Ra-10x96wellstestplate	Cloud-Clone	10x96-wells test plate	EUR 4626.78
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Rat Transferrin Receptor 2 (TFR2) in Tissue homogenates and other biological fluids.

Rat Transferrin Receptor 2 (TFR2) ELISA Kit
SEA262Ra-1x48wellstestplate	Cloud-Clone	1x48-wells test plate	EUR 468.68
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Rat Transferrin Receptor 2 (TFR2) in Tissue homogenates and other biological fluids.

Rat Transferrin Receptor 2 (TFR2) ELISA Kit
SEA262Ra-1x96wellstestplate	Cloud-Clone	1x96-wells test plate	EUR 626.68
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Rat Transferrin Receptor 2 (TFR2) in Tissue homogenates and other biological fluids.

Rat Transferrin Receptor 2 (TFR2) ELISA Kit
SEA262Ra-5x96wellstestplate	Cloud-Clone	5x96-wells test plate	EUR 2520.06
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Rat Transferrin Receptor 2 (TFR2) in Tissue homogenates and other biological fluids.

Rat Transferrin Receptor 2 (TFR2) ELISA Kit
4-SEA262Ra	Cloud-Clone	EUR 4677.00 EUR 2471.00 EUR 627.00	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 Transferrin Receptor 2 (TFR2) in samples from Tissue homogenates and other biological fluids. with no significant corss-reactivity with analogues from other species.

Mouse Transferrin Receptor 2(TFR2)ELISA Kit
GA-E0015MS-48T	GenAsia Biotech	48T	EUR 336

Mouse Transferrin Receptor 2(TFR2)ELISA Kit
GA-E0015MS-96T	GenAsia Biotech	96T	EUR 534

Mouse Transferrin Receptor 2 (TFR2) ELISA Kit
20-abx154741	Abbexa	EUR 6642.00 EUR 3542.00 EUR 825.00	10 × 96 tests 5 × 96 tests 96 tests

Pig Transferrin Receptor 2 (TFR2) ELISA Kit
abx360763-96tests	Abbexa	96 tests	EUR 825

Rabbit Transferrin Receptor 2 (TFR2) ELISA Kit
abx363259-96tests	Abbexa	96 tests	EUR 825

Sheep Transferrin Receptor 2 (TFR2) ELISA Kit
abx364256-96tests	Abbexa	96 tests	EUR 926

Monkey Transferrin Receptor 2 (TFR2) ELISA Kit
abx358805-96tests	Abbexa	96 tests	EUR 825

Chicken Transferrin Receptor 2 (TFR2) ELISA Kit
abx356765-96tests	Abbexa	96 tests	EUR 825

Rat Transferrin Receptor 2 (TFR2) ELISA Kit
20-abx156139	Abbexa	EUR 7237.00 EUR 3855.00 EUR 895.00	10 × 96 tests 5 × 96 tests 96 tests

Rat Transferrin Receptor 2(TFR2)ELISA kit
QY-E10126	Qayee Biotechnology	96T	EUR 361

Mouse Transferrin Receptor 2(TFR2)ELISA kit
QY-E21492	Qayee Biotechnology	96T	EUR 361

Nude Transferrin Receptor 2(TFR2)ELISA kit
QY-E90090	Qayee Biotechnology	96T	EUR 478

Recombinant Transferrin Receptor 2 (TFR2)
4-RPA262Hu01	Cloud-Clone	EUR 413.60 EUR 214.00 EUR 1276.00 EUR 492.00 EUR 884.00 EUR 340.00 EUR 3040.00	100 ug 10ug 1 mg 200 ug 500 ug 50ug 5 mg
Description: Recombinant Human Transferrin Receptor 2 expressed in: E.coli

Recombinant Transferrin Receptor 2 (TFR2)
4-RPA262Hu02	Cloud-Clone	EUR 413.60 EUR 214.00 EUR 1276.00 EUR 492.00 EUR 884.00 EUR 340.00 EUR 3040.00	100 ug 10ug 1 mg 200 ug 500 ug 50ug 5 mg
Description: Recombinant Human Transferrin Receptor 2 expressed in: E.coli

Recombinant Transferrin Receptor 2 (TFR2)
4-RPA262Hu03	Cloud-Clone	EUR 413.60 EUR 214.00 EUR 1276.00 EUR 492.00 EUR 884.00 EUR 340.00 EUR 3040.00	100 ug 10ug 1 mg 200 ug 500 ug 50ug 5 mg
Description: Recombinant Human Transferrin Receptor 2 expressed in: E.coli

Recombinant Transferrin Receptor 2 (TFR2)
4-RPA262Hu04	Cloud-Clone	EUR 413.60 EUR 214.00 EUR 1276.00 EUR 492.00 EUR 884.00 EUR 340.00 EUR 3040.00	100 ug 10ug 1 mg 200 ug 500 ug 50ug 5 mg
Description: Recombinant Human Transferrin Receptor 2 expressed in: E.coli

Recombinant Transferrin Receptor 2 (TFR2)
4-RPA262Mu01	Cloud-Clone	EUR 413.60 EUR 214.00 EUR 1276.00 EUR 492.00 EUR 884.00 EUR 340.00 EUR 3040.00	100 ug 10ug 1 mg 200 ug 500 ug 50ug 5 mg
Description: Recombinant Mouse Transferrin Receptor 2 expressed in: E.coli

Recombinant Transferrin Receptor 2 (TFR2)
4-RPA262Mu02	Cloud-Clone	EUR 413.60 EUR 214.00 EUR 1276.00 EUR 492.00 EUR 884.00 EUR 340.00 EUR 3040.00	100 ug 10ug 1 mg 200 ug 500 ug 50ug 5 mg
Description: Recombinant Mouse Transferrin Receptor 2 expressed in: E.coli

Recombinant Transferrin Receptor 2 (TFR2)
4-RPA262Ra01	Cloud-Clone	EUR 494.24 EUR 235.00 EUR 1578.40 EUR 592.80 EUR 1085.60 EUR 394.00 EUR 3796.00	100 ug 10ug 1 mg 200 ug 500 ug 50ug 5 mg
Description: Recombinant Rat Transferrin Receptor 2 expressed in: E.coli

Transferrin Receptor 2 (TFR2) Antibody
20-abx131901	Abbexa	EUR 314.00 EUR 787.00 EUR 411.00 EUR 154.00 EUR 258.00	100 ug 1 mg 200 ug 20 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody
20-abx129136	Abbexa	EUR 398.00 EUR 133.00 EUR 1094.00 EUR 537.00 EUR 314.00	100 ug 10 ug 1 mg 200 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody
20-abx130384	Abbexa	EUR 425.00 EUR 133.00 EUR 1177.00 EUR 578.00 EUR 328.00	100 ug 10 ug 1 mg 200 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody
20-abx135789	Abbexa	EUR 411.00 EUR 592.00 EUR 182.00 EUR 314.00	100 ul 200 ul 20 ul 50 ul

Transferrin Receptor 2 (TFR2) Antibody
20-abx102299	Abbexa	EUR 398.00 EUR 133.00 EUR 1107.00 EUR 537.00 EUR 314.00	100 ug 10 ug 1 mg 200 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody
20-abx102300	Abbexa	EUR 398.00 EUR 133.00 EUR 1107.00 EUR 537.00 EUR 314.00	100 ug 10 ug 1 mg 200 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody
20-abx102301	Abbexa	EUR 398.00 EUR 133.00 EUR 1107.00 EUR 537.00 EUR 314.00	100 ug 10 ug 1 mg 200 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody
20-abx102302	Abbexa	EUR 411.00 EUR 133.00 EUR 1135.00 EUR 551.00 EUR 314.00	100 ug 10 ug 1 mg 200 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody
20-abx102303	Abbexa	EUR 425.00 EUR 133.00 EUR 1177.00 EUR 578.00 EUR 328.00	100 ug 10 ug 1 mg 200 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody
20-abx102304	Abbexa	EUR 356.00 EUR 913.00 EUR 467.00 EUR 154.00 EUR 272.00	100 ug 1 mg 200 ug 20 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody
abx026819-400ul	Abbexa	400 ul	EUR 523

Transferrin Receptor 2 (TFR2) Antibody
abx026819-80l	Abbexa	80 µl	EUR 286

Transferrin Receptor 2 (TFR2) Antibody
20-abx178655	Abbexa	EUR 1135.00 EUR 551.00	1 mg 200 ug

Transferrin Receptor 2 (TFR2) Antibody
20-abx174867	Abbexa	EUR 843.00 EUR 439.00	1 mg 200 ug

Human Transferrin receptor protein 2, TFR2 ELISA KIT
ELI-07149h	Lifescience Market	96 Tests	EUR 824

ELISA kit for Human TFR2 (Transferrin Receptor 2)
ELK2343	ELK Biotech	1 plate of 96 wells	EUR 432
Description: A sandwich ELISA kit for detection of Transferrin Receptor 2 from Human in samples from blood, serum, plasma, cell culture fluid and other biological fluids.

ELISA kit for Human TFR2 (Transferrin Receptor 2)
E-EL-H2346	Elabscience Biotech	1 plate of 96 wells	EUR 534
Description: A sandwich ELISA kit for quantitative measurement of Human TFR2 (Transferrin Receptor 2) in samples from Serum, Plasma, Cell supernatant

Human TFR2/ Transferrin receptor protein 2 ELISA Kit
E2854Hu	Sunlong	1 Kit	EUR 571

Human TFR2(Transferrin receptor protein 2) ELISA Kit
EH2177	FN Test	96T	EUR 524.1
Description: Method of detection: Double Antibody, Sandwich ELISA;Reacts with: Homo sapiens;Sensitivity: 0.094 ng/ml

Human Transferrin Receptor 2 (TFR2) CLIA Kit
20-abx491303	Abbexa	EUR 7973.00 EUR 4246.00 EUR 981.00	10 × 96 tests 5 × 96 tests 96 tests

Human Transferrin Receptor 2 (TFR2) CLIA Kit
abx197816-96tests	Abbexa	96 tests	EUR 825

Human Transferrin Receptor 2 (TFR2) Protein
20-abx069414	Abbexa	EUR 578.00 EUR 258.00 EUR 1720.00 EUR 690.00 EUR 425.00	100 ug 10 ug 1 mg 200 ug 50 ug

Human Transferrin Receptor 2 (TFR2) Protein
20-abx069416	Abbexa	EUR 578.00 EUR 258.00 EUR 1720.00 EUR 690.00 EUR 425.00	100 ug 10 ug 1 mg 200 ug 50 ug

Human Transferrin Receptor 2 (TFR2) Protein
20-abx069417	Abbexa	EUR 578.00 EUR 258.00 EUR 1720.00 EUR 690.00 EUR 425.00	100 ug 10 ug 1 mg 200 ug 50 ug

Human Transferrin Receptor 2 (TFR2) Protein
20-abx166430	Abbexa	EUR 578.00 EUR 258.00 EUR 1720.00 EUR 690.00 EUR 425.00	100 ug 10 ug 1 mg 200 ug 50 ug

Mouse Transferrin receptor protein 2, Tfr2 ELISA KIT
ELI-07150m	Lifescience Market	96 Tests	EUR 865

ELISA kit for Mouse TFR2 (Transferrin Receptor 2)
E-EL-M1185	Elabscience Biotech	1 plate of 96 wells	EUR 534
Description: A sandwich ELISA kit for quantitative measurement of Mouse TFR2 (Transferrin Receptor 2) in samples from Serum, Plasma, Cell supernatant

ELISA kit for Rat TFR2 (Transferrin Receptor 2)
E-EL-R1008	Elabscience Biotech	1 plate of 96 wells	EUR 534
Description: A sandwich ELISA kit for quantitative measurement of Rat TFR2 (Transferrin Receptor 2) in samples from Serum, Plasma, Cell supernatant

ELISA kit for Mouse TFR2 (Transferrin Receptor 2)
ELK2872	ELK Biotech	1 plate of 96 wells	EUR 432
Description: A sandwich ELISA kit for detection of Transferrin Receptor 2 from Mouse in samples from blood, serum, plasma, cell culture fluid and other biological fluids.

ELISA kit for Rat TFR2 (Transferrin Receptor 2)
ELK2873	ELK Biotech	1 plate of 96 wells	EUR 432
Description: A sandwich ELISA kit for detection of Transferrin Receptor 2 from Rat in samples from blood, serum, plasma, cell culture fluid and other biological fluids.

Rat Tfr2/ Transferrin receptor protein 2 ELISA Kit
E0965Ra	Sunlong	1 Kit	EUR 571

Guinea pig Transferrin Receptor 2 (TFR2) ELISA Kit
abx357622-96tests	Abbexa	96 tests	EUR 825

Mouse TFR2(Transferrin Receptor Protein 2) ELISA Kit
EM1401	FN Test	96T	EUR 524.1
Description: Method of detection: Double Antibody, Sandwich ELISA;Reacts with: Mus ;Sensitivity: 0.938 ng/ml

Rat Tfr2(Transferrin receptor protein 2) ELISA Kit
ER0652	FN Test	96T	EUR 524.1
Description: Method of detection: Double Antibody, Sandwich ELISA;Reacts with: Rattus;Sensitivity: 0.188 ng/ml

Human Transferrin Receptor Protein 2 / HFE3 (TFR2) ELISA Kit
abx251516-96tests	Abbexa	96 tests	EUR 668

Mouse Transferrin Receptor 2 (TFR2) CLIA Kit
20-abx491304	Abbexa	EUR 7973.00 EUR 4246.00 EUR 981.00	10 × 96 tests 5 × 96 tests 96 tests

Rat Transferrin Receptor 2 (TFR2) CLIA Kit
20-abx491305	Abbexa	EUR 8569.00 EUR 4560.00 EUR 1052.00	10 × 96 tests 5 × 96 tests 96 tests

Rat Transferrin receptor protein 2 (Tfr2)
1-CSB-EP023440RA1	Cusabio	EUR 611.00 EUR 309.00 EUR 1827.00 EUR 939.00 EUR 1218.00 EUR 397.00	100ug 10ug 1MG 200ug 500ug 50ug
Description: Recombinant Rat Transferrin receptor protein 2(Tfr2),partial expressed in E.coli

Anti-Transferrin Receptor 2/TFR2 Antibody
PA1901	BosterBio	100ug/vial	EUR 294

Mouse Transferrin Receptor 2 (TFR2) Protein
20-abx069415	Abbexa	EUR 578.00 EUR 258.00 EUR 1720.00 EUR 690.00 EUR 425.00	100 ug 10 ug 1 mg 200 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody (FITC)
20-abx274021	Abbexa	EUR 453.00 EUR 244.00 EUR 1316.00 EUR 634.00 EUR 342.00	100 ug 10 ug 1 mg 200 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody (Biotin)
20-abx271726	Abbexa	EUR 481.00 EUR 244.00 EUR 1414.00 EUR 662.00 EUR 356.00	100 ug 10 ug 1 mg 200 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody (Biotin)
20-abx271961	Abbexa	EUR 425.00 EUR 230.00 EUR 1191.00 EUR 578.00 EUR 328.00	100 ug 10 ug 1 mg 200 ug 50 ug

Transferrin Receptor 2 (TFR2) Antibody (Biotin)
20-abx272680	Abbexa	EUR 425.00 EUR 230.00 EUR 1219.00 EUR 592.00 EUR 328.00	100 ug 10 ug 1 mg 200 ug 50 ug

Rat Transferrin Receptor 2 (TFR2) Protein
20-abx167616	Abbexa	EUR 690.00 EUR 286.00 EUR 2124.00 EUR 815.00 EUR 495.00	100 ug 10 ug 1 mg 200 ug 50 ug

Mouse Transferrin Receptor 2 (TFR2) Protein
20-abx655285	Abbexa	EUR 578.00 EUR 258.00 EUR 1720.00 EUR 690.00 EUR 425.00	100 ug 10 ug 1 mg 200 ug 50 ug

Transferrin receptor 2 (TFR2) polyclonal antibody
ABP-PAB-11168	Allele Biotech	100 ug	Ask for price

Transferrin receptor 2 (TFR2) polyclonal antibody
ABP-PAB-11169	Allele Biotech	100 ug	Ask for price

CLIA kit for Human TFR2 (Transferrin Receptor 2)
E-CL-H1369	Elabscience Biotech	1 plate of 96 wells	EUR 584
Description: A sandwich CLIA kit for quantitative measurement of Human TFR2 (Transferrin Receptor 2) in samples from Serum, Plasma, Cell supernatant