- ￥2600
- Proteintech
- 0.156-10 ng/mL
- KE00945
- 2026年07月06日
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- 文献和实验
- 技术资料
- 检测范围：
0.156-10 ng/mL
- 应用：
Sandwich ELISA
- 适应物种：
Human
- 样本：
Cell lysate
- 规格：
96T
Product Information
KE00945 is a solid phase sandwich Enzyme Linked-Immuno-Sorbent Assay (Sandwich ELISA). The human DOPA decarboxylase/DDC ELISA kit is to be used to detect and quantify protein levels of endogenous human DOPA decarboxylase/DDC. The assay recognizes human DOPA decarboxylase/DDC. An antibody specific for human DOPA decarboxylase/DDC has been pre-coated onto the microwells. The human DOPA decarboxylase/DDC protein in samples is captured by the coated antibody after incubation. Following extensive washing, another horseradish peroxidase (HRP)-conjugated antibody specific for human DOPA decarboxylase/DDC is added to detect the captured human DOPA decarboxylase/DDC protein. For signal development, followed by Tetramethyl-benzidine (TMB) reagent. Solution containing sulfuric acid is used to stop color development and the color intensity which is proportional to the quantity of bound protein is measurable at 450 nm with the correction wavelength set at 630 nm.
| Product name | Human DOPA decarboxylase/DDC ELISA Kit |
| Tests | 1 X 96 well plate |
| Sample type | Cell lysate 备注：对未验证样本，我们提供技术支持和售后保障。 |
| Assay type | Sandwich |
| Sensitivity | 0.03 ng/mL |
| Range | 0.156-10 ng/mL |
| Reactivity | Human |
| Tested applications | Sandwich ELISA |
| Gene ID (NCBI) | 1644 |
Recovery
| Sample Type | Average | Range |
|---|---|---|
| Cell lysate | 71% | 70%-72% |
IntraAssay
| Sample | n | mean ( ng/mL) | SD | CV% |
|---|---|---|---|---|
| 1 | 8 | 4.23 | 0.15 | 3.63 |
| 2 | 8 | 1.04 | 0.02 | 1.60 |
| 3 | 8 | 0.61 | 0.02 | 3.34 |
InterAssay
| Sample | n | mean ( ng/mL) | SD | CV% |
|---|---|---|---|---|
| 1 | 16 | 4.11 | 0.25 | 6.11 |
| 2 | 16 | 1.06 | 0.04 | 4.04 |
| 3 | 16 | 0.59 | 0.03 | 4.46 |
Background Information
DOPA decarboxylase (DDC), also known as aromatic l-amino acid decarboxylase, belongs to the pyridoxal-dependent aminotransferase superfamily. DDC is an enzyme that converts levodopa into dopamine, the latter being severely depleted in LBD due to the loss of dopaminergic neurons in the substantia nigra. DDC plays an important role in the dopaminergic system and participates in the uptake and decarboxylation of amine precursors in the peripheral tissues. It is reported that DDC may be a novel and potential marker for the detection of peritoneal micrometastases of gastric cancer.
Properties
| Storage Instructions | All the reagents are stored at 2-8℃ for 6 months or -20℃ for 12 months. Refer to the protocol for further storage instructions. |
| Synonyms | DDC, DOPA decarboxylase, AADC, Aromatic-L-amino-acid decarboxylase, EC:4.1.1.28 |
FAQ
1、我的样本稀释液有限，如何处理稀释倍数较大的样本？
我们建议您对样本进行梯度稀释。例如，人血清样本需要1000000倍稀释时，您可以分3个梯度，每个梯度100倍，进行稀释：
第一步：取2 uL人血清样本，加入198 uL样本稀释液，混匀得到100倍稀释的人血清样本
第二步：取2uL 100倍稀释的人血清样本+ 198 uL样本稀释液进行稀释，混匀得到10000倍稀释的人血清样本
第三步：取2uL 10000倍稀释的人血清样本+ 198 uL样本稀释液进行稀释，混匀得到1000000倍稀释的人血清样本。
如果样本需要进一步稀释，您可以使用更多梯度。除了我们推荐的样本稀释液，不建议您使用其他溶液或者水稀释。如果您的样本稀释液仍然不足，请联系我们的客服为您提供更多样本稀释液。
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文献和实验体变黑，就是由于氧化的过程而引起的。在动植物组织内产生黑素的过程，首先是酪氨酸由酪氨酸酶（ tyrosinase）氧化而形成多巴，进而经过多巴醌（ DOPA quinone）进行氧化。在多酚氧化酶为呼吸末端酶的植物体中，多巴可能成为氢的传递体。又在动物体内肾上腺素的生成，包含着有酪氨酸向多巴氧化和多巴脱羧成羟酪胺的过程。
L-DOPA (L-3,4-Dihydroxyphenylalanine)
The nonprotein amino acid, 3,4-dihydroxyphenylalanine (L -DOPA) (Fig. 1) is present in high concentrations (about 3–6%) in Mucuna spp. The in vitro addition of L -DOPA to the red blood cells from individuals deficient in glucose 6-phosphate
氨基酸脱羧酶的一种。是催化多巴（ DOPA）脱羧产生多巴胺（ dopamine）（即羟基铬胺， hydro－ xytyramine）反应的酶。 EC4． 1． 1． 26．见于动物的肾和肝脏，特别是在土拨鼠和兔的肾脏中最多。这种酶不仅对多巴有特异性，而且对苯丙氨酸的邻位和间位上具有 OH基的衍生物也具有作用，只不过作用速度稍慢。通过加吡哆醛磷酸，活性可增强，像羟胺（ hy－ droxylamine）的那种乙醛试剂可抑制其活性。最适 pH为 6． 8，具有活性的 pH范围比较
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