Human SP-D Quantikine ELISA Kit | hSP-D QKit
掲載日情報：2016/08/18 現在Webページ番号：111195
R&D Systems製のHuman SP-Dを測定するELISAキットです。
※本製品は研究用です。研究用以外には使用できません。
[在庫・価格 ：2025年04月26日 20時35分現在]
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Human SP-D Quantikine ELISA Kit |
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[在庫・価格 ：2025年04月26日 20時35分現在]
Human SP-D Quantikine ELISA Kit
文献数： 6
- 商品コード：DSFPD0
- メーカー：RSD
- 包装：1kit
- 価格：¥116,000
- 在庫：無(未発注)
- 納期：10日程度 ※※ 表示されている納期は弊社に在庫がなく、取り寄せた場合の目安納期となります。
- 法規制等：
| 説明文 | 測定範囲：0.625-40 ng/mL，感度：0.37 ng/mL，測定試料：Serum, Plasma, Cell Culture Supernatant，種交差性：Human，検出方法：呈色，測定波長：450 nm，アッセイ法：Solid Phase Sandwich ELISA，アッセイ数：96 well，別売品コントロール：#QC161，測定時間：5.5 hours，測定因子：SP-D 別名：COLEC7collectin-7 Genbank No： 6441 |
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| 保存条件 | 4℃ | 法規備考 | |
| 掲載カタログ |
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| 製品記事 | Quantikine Human / Mouse SP-D ELISA Kit ELISA Kit製品に関するFAQ（R&D Systems） |
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| 関連記事 | R&D Systems Quantikine ELISA Kit／DuoSet Kit特集 Quantikine ELISA Kit |
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Product Details
- Assay Type
- Solid Phase Sandwich ELISA
- Format
- 96-well strip plate
- Assay Length
- 5.5 hours
- Sample Type & Volume Required Per Well
- Cell Culture Supernates (50 µL), Serum (50 µL), EDTA Plasma (50 µL), Heparin Plasma (50 µL)
- Sensitivity
- 0.37 ng/mL
- Assay Range
- 0.625 - 40 ng/mL (Serum, Heparin Plasma, Cell Culture Supernates, EDTA Plasma)
- Specificity
- Natural and recombinant human SP-D
- Interference
- No significant interference observed with available related molecules.
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Product Summary
The Quantikine Human SP-D Immunoassay is a 5.5 hour solid-phase ELISA designed to measure human SP-D in cell culture supernates, serum, and plasma. It contains NS0-expressed recombinant human SP-D and has been shown to accurately quantitate the recombinant factor. Results obtained using natural human SP-D showed linear curves that were parallel to the standard curves obtained using the Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for naturally ocurring SP-D.
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Precision
Intra-Assay Precision (Precision within an assay)
Three samples of known concentration were tested on one plate to assess intra-assay precision.
Inter-Assay Precision (Precision between assays)
Three samples of known concentration were tested in separate assays to assess inter-assay precision.
Cell Culture Supernates
| Intra-Assay Precision | Inter-Assay Precision | |||||
| Sample | 1 | 2 | 3 | 1 | 2 | 3 |
| n | 20 | 20 | 20 | 40 | 40 | 40 |
| Mean | 6.07 | 11.7 | 23.4 | 5.63 | 11.2 | 22.8 |
| Standard Deviation | 0.495 | 0.588 | 1.46 | 0.495 | 0.999 | 1.78 |
| CV% | 8.2 | 5 | 6.2 | 8.8 | 8.9 | 7.8 |
| Intra-Assay Precision | Inter-Assay Precision | |||||
| Sample | 1 | 2 | 3 | 1 | 2 | 3 |
| n | 20 | 20 | 20 | 40 | 40 | 40 |
| Mean | 5.99 | 11.3 | 24.3 | 6.63 | 13.1 | 26.9 |
| Standard Deviation | 0.371 | 0.921 | 1.63 | 0.617 | 1.14 | 2.5 |
| CV% | 6.2 | 8.2 | 6.7 | 9.3 | 8.7 | 9.3 |
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Recovery
The recovery of SP-D spiked to levels throughout the range of the assay in various matrices was evaluated.
| Sample Type | Average % Recovery | Range % |
| Serum (n=4) | 106 | 89-118 |
| Heparin Plasma (n=4) | 104 | 85-118 |
| EDTA Plasma (n=4) | 110 | 99-120 |
| Cell Culture Media (n=4) | 102 | 95-109 |
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Linearity
To assess the linearity of the assay, samples containing and/or spiked with high concentrations of SP-D were serially diluted with the appropriate Calibrator Diluent to produce samples with values within the dynamic range of the assay.
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Additional Infomation
- Molecule Information
- SP-D
- Aliases
- Collectin 7; PSP-D; SFTP4; SFTPD
- Entrez Gene IDs
- 6441 (Human); 20390 (Mouse)
- Background
- SP-D
- Surfactant Protein D (SP-D) is a collectin family protein consisting of a collagen-like sequence followed by a C-type lectin domain. It is synthesized primarily in the lung by alveolar type II cells and unciliated bronchial epithelial cells. In addition, SP-D is produced by epithelial cells of the gastrointestinal tract and exocrine glands. SP-D binds to patterns of neutral sugars on micro-organisms to mediate direct opsonization and phagocytosis and is an important component of the innate immune system.
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Citations
Citations of cell biology reagents in peer reviewed literature can be used as a direct measure of product quality. They can also provide crucial insightinto their use under specialized or unique experimental conditions. Because of the importance published citations have to researchers, R&D Systems personnelmanually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but alsoprovides information about sample types, species, and experimental conditions.
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