2001
DOI: 10.1016/s0956-5663(00)00126-3
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Genomic DNA hybridizes with the same rate constant on the QCM biosensor as in homogeneous solution

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Cited by 58 publications
(27 citation statements)
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“…In line with the previous work on the PCR-free detection of one target DNA sequence by piezoelectric sensing and with the related literature (Hunt 1997;Almadidy 2002;Goodrich 2004;Jenison 2000;Patolsky 2001b;Towery 2001;Minunni 2004), in the present study, we investigated the detection of different sequences in genomic DNA of several origins with an optical biosensor based on surface plasmon resonance (SPR) (Yu 2004;Lacy 2004). This approach aimed at demonstrating the wide applicability of DNA-based sensing for target sequence detection in genomic DNA.…”
Section: Introductionsupporting
confidence: 52%
“…In line with the previous work on the PCR-free detection of one target DNA sequence by piezoelectric sensing and with the related literature (Hunt 1997;Almadidy 2002;Goodrich 2004;Jenison 2000;Patolsky 2001b;Towery 2001;Minunni 2004), in the present study, we investigated the detection of different sequences in genomic DNA of several origins with an optical biosensor based on surface plasmon resonance (SPR) (Yu 2004;Lacy 2004). This approach aimed at demonstrating the wide applicability of DNA-based sensing for target sequence detection in genomic DNA.…”
Section: Introductionsupporting
confidence: 52%
“…The mass change resulting from hybridization is indicative of the quantity of target DNA present in the sample. The hybridization of DNA on the surface of a QCM biosensor was reported to be preferable to hybridization in solution followed by surface capture due to the fixed presentation of immobilized probes on the sensor surface (Towery et al, 2001). A considerable amount of work in this area has concentrated on evaluating and improving oligonucleotide immobilization methods.…”
Section: Oligonucleotide Interactionsmentioning
confidence: 99%
“…Other studies employing QCM to analyse the kinetics of DNA hybridization include Lassalle et al (2001) and Furusawa et al (2002). Of particular note is a comparative study of the kinetics of DNA hybridization on the surface of a QCM biosensor with those values determined in free solution showing no statistical difference between the results from the biosensor assay (Towery et al, 2001). QCM has also been used in a similar manner to the examples above, but with the additional incorporation of viscoelastic modelling of template-directed DNA synthesis (Stengel et al, 2005).…”
Section: Detection Of Hybridizationmentioning
confidence: 99%
“…A pesar de que los sistemas osciladores no miden exactamente la MSRF, eso no impide que puedan ser usados como interfaz para biosensores [Briand et al 2006;Chou et al 2004;Kurosawa et al 2000;Kurosawa et al 2005;Kurosawa et al 2006;Lazerges et al 2005;Lazerges et al 2006;Michalzik et al 2005;Park et al 2003;Sakti et al 2001;Towery et al 2001]; ya que, en una aplicación de detección no importa tanto el valor puntual de la frecuencia para cada muestra, sino la relación entre la variación de la frecuencia y la concentración de la muestra a analizar; en algunos casos esta variación de la frecuencia se establece en términos de porcentajes con respecto a la señal máxima de medida. Una curva de calibración permite caracterizar la respuesta y establecer los parámetros de detección del biosensor.…”
Section: Respuesta Del Osciladorunclassified