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535311

Poly(N-isopropylacrylamide)

Mn ~40,000

Synonym(s):

NIPAM polymer, PNIPAM, Polyacrylamide, polyNIPAM

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About This Item

Linear Formula:
CH3(C6H11NO)nCH3
CAS Number:
25189-55-3
NACRES:
NA.23
PubChem Substance ID:
24877546
UNSPSC Code:
12162002
MDL number:
MFCD00284282
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Quality Level

100

mol wt

Mn 20,000-60,000, Mn ~40,000

mp

96 °C

SMILES string

CC(C)NC(=O)C=C

InChI

1S/C6H11NO/c1-3-5-7-6(8)4-2/h4H,2-3,5H2,1H3,(H,7,8)

InChI key

WDFKEEALECCKTJ-UHFFFAOYSA-N

Application

PNIPAM-based Smart Surfaces for Cell Sheet Tissue Engineering
Thermosensitive polymer, can be used to form a hydrogel. Aqueous polymer solution undergoes a phase transition from a soluble to an insoluble state when the temperature is raised to ca. 32 °C.

Physical form

Thermosensitive polymer, hydrogel

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

535311-BULK: + 535311-VAR: + 535311-10G:

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Certificates of Analysis (COA)

Lot/Batch Number
MKBB0341
69998MJ
02321EJ
05002KH
12631EH

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Articles

マイクロおよびナノ加工生体材料

生体材料科学は、生物学の研究にスマート材料を組み込むものであり、生体システムについて深い理解が要求されます。

グラフトポリマー層を使用した表面改質用汎用プラットフォーム

無機および高分子基板上に化学的にグラフト化されたナノスケールの高分子膜（ポリマーブラシ）の合成と特性解析について紹介します。

温度・pH応答性PNIPAMポリマー

刺激応答性ポリマーは、環境変化に応じた標的デリバリーおよび放出制御を可能にする材料として広く用いられています。

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Manuel Pernia Leal et al.
ACS nano, 6(12), 10535-10545 (2012-11-03)
We report a procedure to grow thermo-responsive polymer shells at the surface of magnetic nanocarriers made of multiple iron oxide superparamagnetic nanoparticles embedded in poly(maleic anhydride-alt-1-ocatadecene) polymer nanobeads. Depending on the comonomers and on their relative composition, tunable phase transition
Albert J de Graaf et al.
Journal of controlled release : official journal of the Controlled Release Society, 162(3), 582-590 (2012-09-14)
In this paper it is shown that when a thermosensitive hydrogel based on poly(N-isopropylacrylamide)-poly(ethylene glycol)-poly(N-isopropylacrylamide) (pNIPAm-PEG-pNIPAm) was transferred into water, flower-like micelles were continuously released as long as the medium was regularly refreshed. On the other hand, if the medium
Guiying Li et al.
International journal of biological macromolecules, 50(4), 899-904 (2012-06-09)
Thermo-sensitive poly(N-isopropyl acrylamide-co-vinyl pyrrolidone)/chitosan [P(NIPAM-co-NVP)/CS] semi-IPN hydrogels with improved loading capacity and sustained release for anionic drugs NAP were prepared by free-radical polymerization. The LCST of hydrogels was adjusted to the vicinity of body temperature by introducing hydrophilic NVP. The
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