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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c02497
|2 doi
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|a pubmed24n1167.xml
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|a (DE-627)NLM35028833X
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|a (NLM)36516863
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Guillen, Steven G
|e verfasserin
|4 aut
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| 245 |
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|a pH-Responsive Metal-Organic Framework Thin Film for Drug Delivery
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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 28.12.2022
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|a Date Revised 09.07.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a In this work, surface-supportive MIL-88B(Fe) was explored as a pH-stimuli thin film to release ibuprofen as a model drug. We used surface plasmon resonance microscopy to study the pH-responsive behaviors of MIL-88B(Fe) film in real time. A dissociation constant of (6.10 ± 0.86) × 10-3 s-1 was measured for the MIL-88B(Fe) film in an acidic condition (pH 6.3), which is about 10 times higher than the dissociation of the same film in a neutral pH condition. MIL-88B(Fe) films are also capable of loading around 6.0 μg/cm2 of ibuprofen, which was measured using a quartz crystal microbalance (QCM). Drug release profiles were compared in both acidic and neutral pH conditions (pH 6.3 and 7.4) using a QCM cell to model the drug release in healthy body systems and those containing inflammatory tissues or cancerous tumors. It was found that the amount of drug released in acidic environments had been significantly higher compared to that in a neutral system within 55 h of testing time. The pH-sensitive chemical bond breaking between Fe3+ and the carboxylate ligands is the leading cause of drug release in acidic conditions. This work exhibits the potential of using MOF thin films as pH-triggered drug delivery systems
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|a Journal Article
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|a Research Support, N.I.H., Extramural
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Metal-Organic Frameworks
|2 NLM
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|a Ibuprofen
|2 NLM
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|a WK2XYI10QM
|2 NLM
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|a Parres-Gold, Jacob
|e verfasserin
|4 aut
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| 700 |
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|a Ruiz, Angel
|e verfasserin
|4 aut
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|a Lucsik, Ethan
|e verfasserin
|4 aut
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|a Dao, Benjamin
|e verfasserin
|4 aut
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| 700 |
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|a Hang, Tran K L
|e verfasserin
|4 aut
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| 700 |
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|a Chang, Megan
|e verfasserin
|4 aut
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| 700 |
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|a Garcia, Adaly O
|e verfasserin
|4 aut
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|a Wang, Yixian
|e verfasserin
|4 aut
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| 700 |
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|a Tian, Fangyuan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 38(2022), 51 vom: 27. Dez., Seite 16014-16023
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:38
|g year:2022
|g number:51
|g day:27
|g month:12
|g pages:16014-16023
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|u http://dx.doi.org/10.1021/acs.langmuir.2c02497
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