Solutions of this product in water can be stored at room temperature for up to a year. The solution could also be stored in the refrigerator at 2-8°C, if so desired. But the recommendation would be to NOT freeze the solution, as this might shear the polymer, which would give a lower average molecular weight, and therefore lower viscosity.
生物源
synthetic (oragnic)
品質等級
形狀
powder
分子量
average mol wt 40,000
雜質
<5.0% water (Karl Fischer)
黏度號碼
29-32(lit.)
溶解度
water: 100 mg/mL, clear, colorless to light yellow
應用
agriculture
SMILES 字串
C=CN1CCCC1=O
InChI
1S/C6H9NO/c1-2-7-5-3-4-6(7)8/h2H,1,3-5H2
InChI 密鑰
WHNWPMSKXPGLAX-UHFFFAOYSA-N
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此商品 | PVP10 | RDD033 | 437190 |
|---|---|---|---|
| form powder | form powder | form powder | form powder |
| application(s) agriculture | application(s) - | application(s) - | application(s) - |
| biological source synthetic (oragnic) | biological source - | biological source - | biological source - |
| solubility water: 100 mg/mL, clear, colorless to light yellow | solubility - | solubility - | solubility - |
| mol wt average mol wt 40,000 | mol wt average mol wt 10,000 | mol wt average mol wt 40,000 | mol wt average Mw ~1,300,000 by LS |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
一般說明
聚乙烯吡咯烷酮（PVP）可与酚类和生物碱形成复合物。该复合物的形成可实现从植物样品中进行酚类和生物碱的去除，从而抑制它们对蛋白的任何修饰以及它们可能在分光光度法对蛋白含量测定中引起的任何干扰。PVP还可能增强酶的稳定性。[1]
聚乙烯吡咯烷酮（PVP）是一种多功能合成聚合物，用于生命科学和生物化学研究。这种水溶性聚合物功能多样，可作为稳定剂、乳化剂、悬浮剂、增溶剂、保护性胶体和络合剂。其保护胶体的特性对于稳定蛋白、酶和其它生物物质有特别重要的价值。
特點和優勢
- 用于生命科学和生物化学研究的多功能表面活性剂
- 优良的增溶剂和络合剂
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 1
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Gloves, type N95 (US)
Manna Crespan et al.
Scientific reports, 10(1), 7206-7206 (2020-05-01)
'Glera' and 'Ribolla Gialla' are the most economically relevant local grapevine cultivars of Friuli Venezia Giulia region (north-eastern Italy). 'Glera' is used to produce the world-renowned Prosecco wine. 'Ribolla Gialla' cultivation is constantly increasing due to the strong demand for
Angiotensin II inhibits insulin signaling in aortic smooth muscle cells at multiple levels. A potential role for serine phosphorylation in insulin/angiotensin II crosstalk.
Folli F et al.
The Journal of Clinical Investigation, 100, 2158-2158 (1997)
Glutamine Synthetases of Higher Plants : Evidence for a Specific Isoform Content Related to Their Possible Physiological Role and Their Compartmentation within the Leaf.
McNally SF et al.
Plant Physiology, 72, 22-22 (1983)
Quantification of the Antioxidant Activity in Salt-Stressed Tissues.
Maksimovic JJD and Zivanovic BD
Plant Salt Tolerance: Methods and Protocols, 237-237 (2012)
Structural analysis of N- and O-glycans released from glycoproteins.
Jensen PH et al.
Nature Protocols, 7, 1299-1299 (2012)
实验方案
Learn Northern and Southern blotting basics, with protocols and applications for macromolecule transfer to membrane supports.
Northern和Southern印迹简介：两种将大分子转移到膜支持物的常用方法。该文章还提供了Northern印迹和Southern印迹的实验方案。
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What is the stability for this product after reconstitution in water or medium? Is it possible to keep it at +4°C or aliquot at -20°C? If so, how long?
1 answer-
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How can I determine the shelf life / expiration / retest date of this product?
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdfHelpful?
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I'm interested in using this product for reducing the inhibitory effects of polyphenols during ELISA extraction of walnuts. Do you think this product would help this?
1 answer-
This product has not been tested for reducing inhibitory effects of polyphenols during ELISA extraction of walnuts. However, literature suggests that polyvinylpyrrolidone (PVP) may be effective, although the molecular weight used is not specified. The reference is: Abiodun A. Ogunjimi, Prabhakara V. Choudary, "Adsorption of endogenous polyphenols relieves the inhibition by fruit juices and fresh produce of immuno-PCR detection of Escherichia coli 0157:H7," FEMS Immunology & Medical Microbiology, Volume 23, Issue 3, March 1999, Pages 213–220.
Contacting the article's author may provide information on the specific product number used in the experiment.
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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