Journals / Türk Biyokimya Dergisi / 2019 / Cilt: 44 - Sayı: 6

Development of molecularly imprinted AcrylamideAcrylamido phenylboronic acid copolymer microbeads for selective glycosaminoglycan separation in children urine

Çocuk idrarındaki glikozaminoglikan ayrımı için moleküler olarak basılmış Akrilamid-Akrilamido Fenilboronik asit kopolimer mikroboncuklar geliştirilmesi

Pages
738–744
Publication Date
2022-11-05
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Matrix effect was at an ignorable level thus the challenging use.

📌 3 Key Takeaways

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Objective & Hypothesis:Background: In this study, we synthesized molecularly imprinted copolymers for liquid chromatography columns as a separator for glycosaminoglycan (dermatan sulfate; DS and chondroitin sulfate; CS) in urine.
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Key Findings & Data:Results: These GAG selective polymers were filled by pressurized flow into the steel (4.6 mm × 1.6 mm) columns, then imprinted GAGs were extracted and analyzed to calculate binding capacity of each milligram polymer.
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Conclusion & Impact:Matrix effect was at an ignorable level thus the challenging use.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Background: In this study, we synthesized molecularly imprinted copolymers for liquid chromatography columns as a separator for glycosaminoglycan (dermatan sulfate; DS and chondroitin sulfate; CS) in urine. Materials and methods: Acrylamide and acrylamido phenylboronic acid were used as monomers, acrylamide was used for as base monomer to attract negatively charged groups and acrylamido phenylboronic acid (AAPBA) residues used to form diol bonds between sugar and boronic acid residues to strengthen the attraction. These monomers were synthesized by using precipitation polymerization to form uniform spheres, which are more durable for the pressurized chromatographic systems. Trimethylolpropane trimethacrylate and AIBN were used as crosslinker and starter, respectively. Results: These GAG selective polymers were filled by pressurized flow into the steel (4.6 mm × 1.6 mm) columns, then imprinted GAGs were extracted and analyzed to calculate binding capacity of each milligram polymer. Calibration curves of the GAG selective columns were obtained 62.5–1000 ng/mL less than 5% coefficient variation, and lower matrix effect. Conclusion: Our imprinted columns separated different GAGs from urine specifically and sensitively. Matrix effect was at an ignorable level thus the challenging use.

Özet

Amaç: Bu çalışmada idrarda glikozaminoglikan (Dermatan Sülfat; DS ve Kondroitin Sülfat; CS) ayrılması için sıvı kromatografi kolonları içinde moleküler olarak basılmış kopolimerler sentezlenmiştir. Gereç ve yöntem: Monomer olarak akrilamid ve akrilamido fenilboronik asit kullanıldı, negatif yüklü grupları çekmek için monomer olarak akrilamid ve şeker gruplarının çekimini güçlendirmek için şeker ve boronik asit kalıntıları arasında diol bağları oluşturmak için kullanılan akrilamido fenilboronik asit (AAPBA) kısımları kullanıldı. Bu monomerler, basınçlı kromatografik sistemler için daha dayanıklı olan muntazam küreler oluşturmak için çökeltme polimerizasyonu kullanılarak sentezlenmiştir. Trimetilolpropan trimetakrilat ve AIBN sırasıyla çapraz bağlayıcı ve starter olarak kullanıldı. Bulgular: Bu GAG seçici polimerler, çelik (4.6 × 1.6 mm) kolonlara basınçlı akışla dolduruldu, daha sonra baskılı GAG’lar çıkarıldı ve her bir miligram polimerin bağlanma kapasitesini hesaplamak için analiz edildi. GAG seçici sütunlarının kalibrasyon eğrileri 62.5 ng/mL ila 1000 ng/ mL’den az% 5 katsayılı varyasyon ve daha düşük matriks etkisinden elde edildi. Sonuç: Baskılı kolonlarımız, farklı GAG’ları idrardan seçici ve hassas bir şekilde ayırdı. Matriks etkisi, minimum düzeyde görülmüştür.

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Cite This Article

OKUTUCU, B., UYGUN, Z. O., HACİKARA, Ş., SAĞLAM, F. (2022). Development of molecularly imprinted AcrylamideAcrylamido phenylboronic acid copolymer microbeads for selective glycosaminoglycan separation in children urine. Türk Biyokimya Dergisi, Cilt: 44 - Sayı: 6, 738–744. https://ajindex.com/articles/620841

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