Rat MSTN(Myostatin) ELISA Kit
Rat MSTN (Myostatin) ELISA Kit |
|||
| MBS8807176-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 1710 EUR |
Rat MSTN (Myostatin) ELISA Kit |
|||
| MBS8807176-96StripWells | MyBiosource | 96-Strip-Wells | 445 EUR |
Rat Myostatin ELISA Kit (MSTN) |
|||
| MBS9139349-5x96Tests | MyBiosource | 5x96Tests | 2615 EUR |
Rat Myostatin ELISA Kit (MSTN) |
|||
| MBS9139349-96Tests | MyBiosource | 96Tests | 570 EUR |
Rat Myostatin ELISA Kit (MSTN) |
|||
| RK03823 | Abclonal | 96 Tests | 322.37 EUR |
Rat Myostatin ELISA Kit (MSTN) |
|||
| RK03824 | Abclonal | 96T | 368.42 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| abx155860-100g | Abbexa | 100 µg | 6187.5 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| 20-abx155860 | Abbexa |
|
|
Rat Myostatin (MSTN) ELISA Kit |
|||
| abx155860-10g | Abbexa | 10 µg | 687.5 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| abx155860-50g | Abbexa | 50 µg | 3275 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| CEB653Ra-10x96wellstestplate | Cloud-Clone | 10x96-wells test plate | 5850.59 EUR |
|
Description: This is Competitive Enzyme-linked immunosorbent assay for detection of Rat Myostatin (MSTN) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids. |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| CEB653Ra-1x48wellstestplate | Cloud-Clone | 1x48-wells test plate | 586.99 EUR |
|
Description: This is Competitive Enzyme-linked immunosorbent assay for detection of Rat Myostatin (MSTN) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids. |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| CEB653Ra-1x96wellstestplate | Cloud-Clone | 1x96-wells test plate | 787.13 EUR |
|
Description: This is Competitive Enzyme-linked immunosorbent assay for detection of Rat Myostatin (MSTN) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids. |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| CEB653Ra-5x96wellstestplate | Cloud-Clone | 5x96-wells test plate | 3182.08 EUR |
|
Description: This is Competitive Enzyme-linked immunosorbent assay for detection of Rat Myostatin (MSTN) in serum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids. |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| 4-CEB653Ra | Cloud-Clone |
|
|
|
Description: Enzyme-linked immunosorbent assay based on the Competitive Inhibition method for detection of Rat Myostatin (MSTN) 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 Myostatin (MSTN) ELISA Kit |
|||
| abx573327-96tests | Abbexa | 96 tests | 801.6 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| DLR-MSTN-Ra | DL Develop | 96T | 477 EUR |
|
Description: serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids. |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| DLR-MSTN-Ra-48T | DL Develop | 48T | 633.6 EUR |
|
Description: A sandwich quantitative ELISA assay kit for detection of Rat Myostatin (MSTN) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids. |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| DLR-MSTN-Ra-96T | DL Develop | 96T | 828 EUR |
|
Description: A sandwich quantitative ELISA assay kit for detection of Rat Myostatin (MSTN) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids. |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| 20-abx258030 | Abbexa |
|
|
Rat Myostatin (MSTN) ELISA Kit |
|||
| abx258030-1mg | Abbexa | 1 mg | 6187.5 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| abx258030-25g | Abbexa | 25 µg | 3275 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| abx258030-5g | Abbexa | 5 µg | 687.5 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| abx256548-96tests | Abbexa | 96 tests | 895.2 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| DL-MSTN-Ra | DL Develop | 96T | 454 EUR |
|
Description: serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids. |
|||
Rat Myostatin,MSTN ELISA KIT |
|||
| E0877Ra-1096T | Jiaxing Korain Biotech Ltd (BT Labs) | 10*96T | 4122 EUR |
Rat Myostatin,MSTN ELISA KIT |
|||
| E0877Ra-48wells | Jiaxing Korain Biotech Ltd (BT Labs) | 48 wells | 300 EUR |
Rat Myostatin,MSTN ELISA KIT |
|||
| E0877Ra-596T | Jiaxing Korain Biotech Ltd (BT Labs) | 5*96T | 2061 EUR |
Rat Myostatin,MSTN ELISA KIT |
|||
| E0877Ra-96wells | Jiaxing Korain Biotech Ltd (BT Labs) | 96 wells | 458 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EKU08729-48T | Biomatik Corporation | 48T | 573.02 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EKU08729-5x96T | Biomatik Corporation | 5x96T | 3888.35 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EKU08729-96T | Biomatik Corporation | 96T | 818.6 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EKU10160-48T | Biomatik Corporation | 48T | 714.42 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EKU10160-5x96T | Biomatik Corporation | 5x96T | 4847.85 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EKU10160-96T | Biomatik Corporation | 96T | 1020.6 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EK15557 | SAB | 96Т | 768 EUR |
Rat Myostatin( MSTN) Elisa Kit |
|||
| EK720998 | AFG Bioscience LLC | 96 Wells | 0.62 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EKN49840-48T | Biomatik Corporation | 48T | 356.58 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EKN49840-5x96T | Biomatik Corporation | 5x96T | 2419.65 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EKN49840-96T | Biomatik Corporation | 96T | 509.4 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EKN51271-48T | Biomatik Corporation | 48T | 444.5 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EKN51271-5x96T | Biomatik Corporation | 5x96T | 3016.25 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| EKN51271-96T | Biomatik Corporation | 96T | 635 EUR |
Rat Myostatin,MSTN ELISA KIT |
|||
| JOT-EK0877Ra | Jotbody | 96 wells | Ask for price |
|
Description: Rat |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS4501170-10x96Tests | MyBiosource | 10x96Tests | 5385 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS4501170-48Tests | MyBiosource | 48Tests | 470 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS4501170-5x96Tests | MyBiosource | 5x96Tests | 2765 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS4501170-96Test | MyBiosource | 96Test | 620 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS455844-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 5170 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS455844-48StripWells | MyBiosource | 48-Strip-Wells | 450 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS455844-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 2655 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS455844-96StripWells | MyBiosource | 96-Strip-Wells | 595 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS3807991-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 6725 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS3807991-48StripWells | MyBiosource | 48-Strip-Wells | 550 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS3807991-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 3420 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS3807991-96StripWells | MyBiosource | 96-Strip-Wells | 765 EUR |
Rat Myostatin, MSTN ELISA Kit |
|||
| MBS165492-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 3955 EUR |
Rat Myostatin, MSTN ELISA Kit |
|||
| MBS165492-48StripWells | MyBiosource | 48-Strip-Wells | 305 EUR |
Rat Myostatin, MSTN ELISA Kit |
|||
| MBS165492-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 2005 EUR |
Rat Myostatin, MSTN ELISA Kit |
|||
| MBS165492-96StripWells | MyBiosource | 96-Strip-Wells | 475 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2024965-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 5470 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2024965-24StripWells | MyBiosource | 24-Strip-Wells | 365 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2024965-48StripWells | MyBiosource | 48-Strip-Wells | 555 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2024965-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 2995 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2024965-96StripWells | MyBiosource | 96-Strip-Wells | 740 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2024050-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 6555 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2024050-24StripWells | MyBiosource | 24-Strip-Wells | 430 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2024050-48StripWells | MyBiosource | 48-Strip-Wells | 665 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2024050-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 3605 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2024050-96StripWells | MyBiosource | 96-Strip-Wells | 895 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2703542-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 3995 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2703542-24StripWells | MyBiosource | 24-Strip-Wells | 285 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2703542-48StripWells | MyBiosource | 48-Strip-Wells | 385 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2703542-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 2065 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2703542-96StripWells | MyBiosource | 96-Strip-Wells | 510 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2700530-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 3225 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2700530-24StripWells | MyBiosource | 24-Strip-Wells | 255 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2700530-48StripWells | MyBiosource | 48-Strip-Wells | 340 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2700530-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 1680 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2700530-96StripWells | MyBiosource | 96-Strip-Wells | 430 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2604355-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 3290 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2604355-48StripWells | MyBiosource | 48-Strip-Wells | 295 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2604355-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 1800 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| MBS2604355-96StripWells | MyBiosource | 96-Strip-Wells | 450 EUR |
Rat Myostatin, MSTN ELISA Kit |
|||
| MBS9304734-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 6725 EUR |
Rat Myostatin, MSTN ELISA Kit |
|||
| MBS9304734-48StripWells | MyBiosource | 48-Strip-Wells | 550 EUR |
Rat Myostatin, MSTN ELISA Kit |
|||
| MBS9304734-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 3420 EUR |
Rat Myostatin, MSTN ELISA Kit |
|||
| MBS9304734-96StripWells | MyBiosource | 96-Strip-Wells | 765 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| SEB653Ra-10x96wellstestplate | Cloud-Clone | 10x96-wells test plate | 7248.6 EUR |
|
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Rat Myostatin (MSTN) in serum, plasma, tissue homogenates and other biological fluids. |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| SEB653Ra-1x48wellstestplate | Cloud-Clone | 1x48-wells test plate | 702.12 EUR |
|
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Rat Myostatin (MSTN) in serum, plasma, tissue homogenates and other biological fluids. |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| SEB653Ra-1x96wellstestplate | Cloud-Clone | 1x96-wells test plate | 951.6 EUR |
|
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Rat Myostatin (MSTN) in serum, plasma, tissue homogenates and other biological fluids. |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| SEB653Ra-5x96wellstestplate | Cloud-Clone | 5x96-wells test plate | 3922.2 EUR |
|
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Rat Myostatin (MSTN) in serum, plasma, tissue homogenates and other biological fluids. |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| 4-SEB653Ra | Cloud-Clone |
|
|
|
Description: Enzyme-linked immunosorbent assay based on the Double-antibody Sandwich method for detection of Rat Myostatin (MSTN) in samples from serum, plasma, tissue homogenates and other biological fluids with no significant corss-reactivity with analogues from other species. |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| RD-MSTN-Ra-48T | Reddot Biotech | 48T | 488 EUR |
|
Description: sandwich |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| RD-MSTN-Ra-48Tests | Reddot Biotech | 48 Tests | 640.8 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| RD-MSTN-Ra-96T | Reddot Biotech | 96T | 698 EUR |
|
Description: sandwich |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| RD-MSTN-Ra-96Tests | Reddot Biotech | 96 Tests | 890.4 EUR |
Rat Myostatin( MSTN)ELISA Kit |
|||
| SL1071Ra | Sunlong | - | 498 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| RDR-MSTN-Ra-48T | Reddot Biotech | 48T | 513 EUR |
|
Description: sandwich |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| RDR-MSTN-Ra-48Tests | Reddot Biotech | 48 Tests | 669.6 EUR |
Rat Myostatin (MSTN) ELISA Kit |
|||
| RDR-MSTN-Ra-96T | Reddot Biotech | 96T | 733 EUR |
|
Description: sandwich |
|||
Rat Myostatin (MSTN) ELISA Kit |
|||
| RDR-MSTN-Ra-96Tests | Reddot Biotech | 96 Tests | 931.2 EUR |
Rat Myostatin,MSTN ELISA Kit |
|||
| YLA0208RA-48T | Shanghai YL Biotech | 48T | Ask for price |
Rat Myostatin,MSTN ELISA Kit |
|||
| YLA0208RA-96T | Shanghai YL Biotech | 96T | Ask for price |
ELISA kit for Rat MSTN (Myostatin) |
|||
| ELK7450 | ELK Biotech | 1 plate of 96 wells | 518.4 EUR |
|
Description: A competitive Inhibition ELISA kit for detection of Myostatin from Rat in samples from blood, serum, plasma, cell culture fluid and other biological fluids. |
|||
ELISA kit for Rat MSTN (Myostatin) |
|||
| ELK8216 | ELK Biotech | 1 plate of 96 wells | 518.4 EUR |
|
Description: A sandwich ELISA kit for detection of Myostatin from Rat in samples from blood, serum, plasma, cell culture fluid and other biological fluids. |
|||
Rat Myostatin (MSTN) ELISA |
|||
| KT-22933 | Kamiya Biomedical Company | 96 tests | 1032 EUR |
Pig MSTN (Myostatin) ELISA Kit |
|||
| MBS8807006-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 3130 EUR |
Pig MSTN (Myostatin) ELISA Kit |
|||
| MBS8807006-48StripWells | MyBiosource | 48-Strip-Wells | 415 EUR |
Pig MSTN (Myostatin) ELISA Kit |
|||
| MBS8807006-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 1710 EUR |
Pig MSTN (Myostatin) ELISA Kit |
|||
| MBS8807006-96StripWells | MyBiosource | 96-Strip-Wells | 545 EUR |
Human MSTN (Myostatin) ELISA Kit |
|||
| EKE60862-5x96T | Biomatik Corporation | 5x96T | 3124.08 EUR |
Human MSTN (Myostatin) ELISA Kit |
|||
| EKE60862-96T | Biomatik Corporation | 96T | 657.7 EUR |
Human MSTN (Myostatin) ELISA Kit |
|||
| MBS2511575-10x96Tests | MyBiosource | 10x96Tests | 4060 EUR |
Human MSTN (Myostatin) ELISA Kit |
|||
| MBS2511575-24Tests | MyBiosource | 24Tests | 265 EUR |
Human MSTN (Myostatin) ELISA Kit |
|||
| MBS2511575-48Tests | MyBiosource | 48Tests | 450 EUR |
Human MSTN (Myostatin) ELISA Kit |
|||
| MBS2511575-5x96Tests | MyBiosource | 5x96Tests | 2265 EUR |
Human MSTN (Myostatin) ELISA Kit |
|||
| MBS2511575-96Tests | MyBiosource | 96Tests | 535 EUR |
Sheep MSTN (Myostatin) ELISA Kit |
|||
| MBS2513099-10x96Tests | MyBiosource | 10x96Tests | 4820 EUR |
Sheep MSTN (Myostatin) ELISA Kit |
|||
| MBS2513099-24Tests | MyBiosource | 24Tests | 290 EUR |
Sheep MSTN (Myostatin) ELISA Kit |
|||
| MBS2513099-48Tests | MyBiosource | 48Tests | 535 EUR |
Sheep MSTN (Myostatin) ELISA Kit |
|||
| MBS2513099-5x96Tests | MyBiosource | 5x96Tests | 2680 EUR |
Sheep MSTN (Myostatin) ELISA Kit |
|||
| MBS2513099-96Tests | MyBiosource | 96Tests | 635 EUR |
Horse MSTN (Myostatin) ELISA Kit |
|||
| MBS8820338-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 3130 EUR |
Horse MSTN (Myostatin) ELISA Kit |
|||
| MBS8820338-48StripWells | MyBiosource | 48-Strip-Wells | 350 EUR |
Horse MSTN (Myostatin) ELISA Kit |
|||
| MBS8820338-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 1710 EUR |
Horse MSTN (Myostatin) ELISA Kit |
|||
| MBS8820338-96StripWells | MyBiosource | 96-Strip-Wells | 445 EUR |
Mouse MSTN (Myostatin) ELISA Kit |
|||
| MBS8807168-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 3130 EUR |
Mouse MSTN (Myostatin) ELISA Kit |
|||
| MBS8807168-48StripWells | MyBiosource | 48-Strip-Wells | 350 EUR |
Mouse MSTN (Myostatin) ELISA Kit |
|||
| MBS8807168-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 1710 EUR |
Mouse MSTN (Myostatin) ELISA Kit |
|||
| MBS8807168-96StripWells | MyBiosource | 96-Strip-Wells | 445 EUR |
Mouse MSTN (Myostatin) ELISA Kit |
|||
| MBS8804274-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 3130 EUR |
Mouse MSTN (Myostatin) ELISA Kit |
|||
| MBS8804274-48StripWells | MyBiosource | 48-Strip-Wells | 350 EUR |
Mouse MSTN (Myostatin) ELISA Kit |
|||
| MBS8804274-5x96StripWells | MyBiosource | 5x96-Strip-Wells | 1710 EUR |
Mouse MSTN (Myostatin) ELISA Kit |
|||
| MBS8804274-96StripWells | MyBiosource | 96-Strip-Wells | 445 EUR |
Human MSTN (Myostatin) ELISA Kit |
|||
| MBS8804282-10x96StripWells | MyBiosource | 10x96-Strip-Wells | 3130 EUR |
Rat MSTN(Myostatin) ELISA Kit