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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c02682
|2 doi
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|a pubmed24n1124.xml
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|a (DE-627)NLM337440840
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|a (NLM)35212551
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Uddin, Md Jasim
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Role of Sporopollenin Shell Interfacial Properties in Protein Adsorption
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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 15.04.2022
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|a Date Revised 15.04.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Sporopollenin shells isolated from natural pollen grains have received attention in translational and applied research in diverse fields of drug delivery, vaccine delivery, and wastewater remediation. However, little is known about the sporopollenin shell's potential as an adsorbent. Herein, we have isolated sporopollenin shells from four structurally diverse pollen species, black walnut, marsh elder, mugwort, and silver birch, to study protein adsorption onto sporopollenin shells. We investigated three major interfacial properties, surface area, surface functional groups, and surface charge, to elucidate the mechanism of protein adsorption onto sporopollenin shells. We showed that sporopollenin shells have a moderate specific surface area (<12 m2/g). Phosphoric acid and potassium hydroxide treatments that were used to isolate sporopollenin shells from natural pollen grains also result in the functionalization of sporopollenin shell surfaces with ionizable groups of carboxylic acid and carboxylate salt. As a result, sporopollenin shells exhibit a negative ζ potential in the range of -75 to -82 mV at pH 10 when dispersed in water. The ζ potentials of sporopollenin shells remain negative in the pH range of 2.5-11, with the absolute value of ζ potential showing a decrease with the decrease in pH. The negative surface charge promotes the adsorption of protein onto the sporopollenin shell via electrostatic interaction. Despite having a moderate surface area, sporopollenin shells adsorb a significant amount of lysozyme (145-340 μg lysozyme per mg of sporopollenin shells). Lysozyme adsorption onto sporopollenin shells alters the surface, and the surface charge becomes positive at acidic pH. Overall, this study demonstrates the potential of sporopollenin shells to adsorb proteins, highlights the critical role of sporopollenin shell's interfacial properties in protein adsorption, and identifies the mechanism of protein adsorption on sporopollenin shells
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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, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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|a Biopolymers
|2 NLM
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| 650 |
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|a sporopollenin
|2 NLM
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| 650 |
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|a 12712-72-0
|2 NLM
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| 650 |
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|a Carotenoids
|2 NLM
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| 650 |
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|a 36-88-4
|2 NLM
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|a Muramidase
|2 NLM
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| 650 |
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|a EC 3.2.1.17
|2 NLM
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| 700 |
1 |
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|a Liyanage, Sumedha
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Warzywoda, Juliusz
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Abidi, Noureddine
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gill, Harvinder Singh
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 38(2022), 9 vom: 08. März, Seite 2763-2776
|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:9
|g day:08
|g month:03
|g pages:2763-2776
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|u http://dx.doi.org/10.1021/acs.langmuir.1c02682
|3 Volltext
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