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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202200549
|2 doi
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|a pubmed24n1134.xml
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|a (DE-627)NLM340279826
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|a (NLM)35499202
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Lin, Furong
|e verfasserin
|4 aut
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|a Porous Polymers as Universal Reversal Agents for Heparin Anticoagulants through an Inclusion-Sequestration Mechanism
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 10.06.2022
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|a Date Revised 10.06.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Heparins are widely used anticoagulants for surgical procedures and extracorporeal therapies. However, all of them have bleeding risks. Protamine sulfate, the only clinically approved antidote for unfractionated heparin (UFH), has adverse effects. Moreover, protamine can only partially neutralize low-molecular-weight heparins (LMWHs) and is not effective for fondaparinux. Here, an inclusion-sequestration strategy for efficient neutralization of heparin anticoagulants by cationic porous supramolecular organic frameworks (SOFs) and porous organic polymers (POPs) is reported. Isothermal titration calorimetric and fluorescence experiments show strong binding affinities of these porous polymers toward heparins, whereas dynamic light scattering and zeta potential analysis confirm that the heparin sequences are adsorbed into the interior of the porous hosts. Activated partial thromboplastin time, anti-FXa, and thromboelastography assays indicate that their neutralization efficacies are higher than or as high as that of protamine for UFH and generally superior to protamine for LMWHs and fondaparinux, which is further confirmed by tail-transection model in mice and ex vivo aPTT or anti-FXa analysis in rats. Acute toxicity evaluations reveal that one of the SOFs displays outstanding biocompatibility. This work suggests that porous polymers can supply safe and rapid reversal of clinically used heparins, as protamine surrogates, providing an improved approach for their neutralization
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|a Journal Article
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|a antidotes
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|a heparin anticoagulants
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|a inclusion-based neutralization
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|a porous organic polymers
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|a supramolecular organic frameworks
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|a Anticoagulants
|2 NLM
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| 650 |
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|a Polymers
|2 NLM
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| 650 |
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|a Protamines
|2 NLM
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| 650 |
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|a Heparin
|2 NLM
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| 650 |
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7 |
|a 9005-49-6
|2 NLM
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| 650 |
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|a Fondaparinux
|2 NLM
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| 650 |
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7 |
|a J177FOW5JL
|2 NLM
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| 700 |
1 |
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|a Yu, Shang-Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yue-Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Chuan-Zhi
|e verfasserin
|4 aut
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| 700 |
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|a Lu, Shuai
|e verfasserin
|4 aut
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| 700 |
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|a Cao, Jin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qi, Qiao-Yan
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Xiaopeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tian, Jia
|e verfasserin
|4 aut
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| 700 |
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|a Li, Zhan-Ting
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 23 vom: 11. Juni, Seite e2200549
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:23
|g day:11
|g month:06
|g pages:e2200549
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|u http://dx.doi.org/10.1002/adma.202200549
|3 Volltext
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