Sensitive magnetic biodetection using magnetic multi-core nanoparticles and RCA coils

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• 作者：Fredrik Ahrentorp^a ; Jakob Blomgren^a ; Christian Jonasson^a ; Anna Sarwe^a ; Sobhan Sepehri^b ; Emil Eriksson^b ; Alexei Kalaboukhov^b ; Aldo Jesorka^b ; Dag Winkler^b ; Justin F. Schneiderman^c ; Mats Nilsson^d ; Jan Albert^e ; ^f ; Teresa Zardá ; n Gó ; mez de la Torre^g ; Maria Strø ; mme^g ; Christer Johansson^a ; ^{christer.johansson@acreo.se}
• 关键词：Magnetic nanoparticles ; Magnetic multi-core particles ; AC susceptometry ; RCA coil ; Differential induction coil ; Biodetection
• 刊名：Journal of Magnetism and Magnetic Materials
• 出版年：2017
• 出版时间：1 April 2017
• 年：2017
• 卷：427
• 期：Complete
• 页码：14-18
• 全文大小：535 K
• 卷排序：427

文摘

Biosensing using Brownian relaxation of functionalized magnetic nanoparticles. Rolling circle amplification and magnetic nanoparticles enables biosensing. Theoretical limit of detection estimated from the signal noise gives about 55 fM.