2007
DOI: 10.1016/j.aca.2007.02.071
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Highly sensitive phage-based biosensor for the detection of β-galactosidase

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Cited by 63 publications
(45 citation statements)
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“…This emphasized that charge-directed immobilization might be helpful to improve the infectivity of less virulent phages. Physical adsorption has been used successfully to immobilize IG40 and Lm P4:A8 filamentous phages on gold surfaces of a quartz crystal microbalance (QCM) biosensor and a surface plasmon resonance (SPR) sensor surface to detect E. coli and L. monocytogenes, respectively (25,26). Another filamentous phage specific to Salmonella Typhimurium has been physically adsorbed to the surface of a magnetoelastic sensor and used as a biorecognition element for the detection of its host cells at different concentrations (20).…”
Section: Discussionmentioning
confidence: 99%
“…This emphasized that charge-directed immobilization might be helpful to improve the infectivity of less virulent phages. Physical adsorption has been used successfully to immobilize IG40 and Lm P4:A8 filamentous phages on gold surfaces of a quartz crystal microbalance (QCM) biosensor and a surface plasmon resonance (SPR) sensor surface to detect E. coli and L. monocytogenes, respectively (25,26). Another filamentous phage specific to Salmonella Typhimurium has been physically adsorbed to the surface of a magnetoelastic sensor and used as a biorecognition element for the detection of its host cells at different concentrations (20).…”
Section: Discussionmentioning
confidence: 99%
“…Such flexibility imparts multiple functions to the bacteriophage, and not surprisingly, has paved the way for the use of filamentous bacteriophage for a variety of multifunctional nanoprobes. [22][23][24][25][26][27][28][29] The most common form of filamentous bacteriophagebased biosensor is engineered by conjugating targeting moieties and fluorescent molecules onto the capsid surface, ultimately for the detection of target analyte and for the transduction of signal via fluorescence. 30,31 For example, Li et al 9 constructed a bacteriophage capable of targeting a HeLa contaminant KB cell line and emitting fluorescence upon target binding ( Figure 4A) Another common type of genetically-engineered filamentous bacteriophage-based sensor involves the conjugation of nanoparticles to the capsid, in which the unique properties of each type of nanoparticle is exploited in an application-specific manner.…”
Section: Filamentous Bacteriophages As Biomedical Nanoprobesmentioning
confidence: 99%
“…[126] Der Aufbau eines SPRSensors ist in Abbildung 7 skizziert. [110] SPR-Biosensoren (z. B. von BIAcore) haben sich als nützlich für die Untersuchung von Biomolekül-Wechselwirkungen in Echtzeit erwiesen.…”
Section: Oberflächenplasmonenresonanz-sensorenunclassified
“…B. von BIAcore) haben sich als nützlich für die Untersuchung von Biomolekül-Wechselwirkungen in Echtzeit erwiesen. [113,127] Phagen können bei der Entwicklung von spezifischen SPR-Sensoren in zweierlei Weise genutzt werden: [110,114,113,[127][128][129] durch Verankern des zielspezifischen Phagen auf einem Sensorchip [110,127] sowie bei der Selektion eines zielspezifischen Proteins mithilfe eines Phagendisplays und anschließendem Verankern dieses Proteins auf dem Sensorchip. [113,114] Durch Einführung eines zielspezifischen Phagen in einen SPR-Sensor konnte dessen Leistungsfähigkeit merklich gesteigert werden.…”
Section: Oberflächenplasmonenresonanz-sensorenunclassified
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