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909866

Sigma-Aldrich

Poly(2-(dimethylamino)ethyl methacrylate)

average Mn 10,000

Synonym(s):

Hydrophilic polymer, PDMAEMA, pH sensitive, pH-responsive

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About This Item

Linear Formula:
(C8H15NO2)n
UNSPSC Code:
12162002
NACRES:
NA.23
Pricing and availability is not currently available.

form

powder or solid

mol wt

average Mn 10,000 (by GPC)
average Mn 10,000

color

white to faint yellow

PDI

≤1.4 (by GPC)

storage temp.

2-8°C

Related Categories

Application

Poly(2-(dimethylamino)ethyl methacrylate) is a pH-responsive polymer. pH-responsive polymers are a group of stimuli-responsive polymers that can respond to solution pH by undergoing structural and property changes such as surface activity, chain conformation, solubility, and configuration. The term “pH-responsive polymers” is commonly used to describe polymers having ionisable acidic or basic residues whose ionization depends on solution pH. The physical properties of the polymer, such as its chain conformation, configuration, and solubility, can be tailored by manipulating the pH or ionic strength. These unique properties of pH responsive polymer systems consequently make them very useful in various applications such as drug delivery, gene delivery, sensors, surfaces, membranes, and chromatography.
pH-sensitive polymer systems combined with nanotechnology could be utilized as an alternative strategy to traditional targeting systems to overcome major problems in current chemotherapy represented by non-specific tissue distribution of the drugs, tumor heterogeneity, and multidrug resistance (MDR) against anticancer drugs.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT1061
MKCL5798

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pH-sensitive polymers for drug delivery
Huh K M,et al.
Macromolecular Research, 20(3), 224?233-224?233 (2012)
pH-Responsive polymers
Kocak G , et al.
Polym. Chem., 8, 144?176-144?176 (2017)
Jing Xie et al.
Macromolecular rapid communications, 38(23), 1499-1499 (2017-10-05)
Since diabetes mellitus has become one of the most serious threats to human health, researchers have been designing new drugs and developing new technologies to control the blood glucose level (BGL) while improving patient compliance. In addition to the traditional
Girish Kumar Tripathi et al.
Current drug delivery, 8(6), 667-677 (2012-02-09)
Helicobacter pylori reside in the gastric mucus layer and at the mucus-epithelial cell interface wherein access of antimicrobial drug to the infection site is restricted both from the stomach and from the gastric blood supply. The aim of the present
Themis R Kyriakides et al.
Journal of controlled release : official journal of the Controlled Release Society, 78(1-3), 295-303 (2002-01-05)
Cytosolic delivery from endosomes is critical for those drugs that are susceptible to attack by lysosomal enzymes, such as DNA, RNA, oligonucleotides, proteins and peptides. Therefore, we have designed pH-sensitive, membrane-disruptive polymers to enhance the release of drugs from the
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Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. 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/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. 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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