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Lab on a Chip | 2012

Real time quantitative amplification detection on a microarray : towards high multiplex quantitative PCR

Anke Pierik; M Moamfa; M. van Zelst; D. Clout; Hendrik R. Stapert; Johan Frederik Dijksman; D. Broer; Reinhold Wimberger-Friedl

Quantitative real-time polymerase chain reaction (qrtPCR) is widely used as a research and diagnostic tool. Notwithstanding its many powerful features, the method is limited in the degree of multiplexing to about 6 due to spectral overlap of the available fluorophores. A new method is presented that allows quantitative amplification detection at higher multiplexing by the integration of amplification in solution and monitoring via hybridization to a microarray in real-time. This method does not require any manipulation of the PCR product and runs in a single closed chamber. Employing labeled primers, one of the main challenges is to measure surface signals against a high fluorescence background from solution. A compact, confocal scanner is employed, based on miniaturized optics from DVD technology and combined with a flat thermocycler for simultaneous scanning and heating. The feasibility of this method is demonstrated in singleplex with an analytical sensitivity comparable to routine qrtPCR.


Bioconjugate Chemistry | 2003

Light-harvesting ionic dendrimer porphyrins as new photosensitizers for photodynamic therapy

Nobuhiro Nishiyama; Hendrik R. Stapert; Guo Dong Zhang; Daisuke Takasu; Dong Lin Jiang; Tetsuo Nagano; Takuzo Aida; Kazunori Kataoka


Langmuir | 2000

Polyion Complex Micelles Encapsulating Light-Harvesting Ionic Dendrimer Zinc Porphyrins

Hendrik R. Stapert; Nobuhiro Nishiyama; Dong Lin Jiang; Takuzo Aida; Kazunori Kataoka


Archive | 2006

Luminescence sensors using sub-wavelength apertures or slits

Derk Jan Wilfred Klunder; Maarten Marinus Johannes Wilhelm Van Herpen; Hendrik R. Stapert


Archive | 2007

MICROELECTRONIC SENSOR DEVICE FOR DNA DETECTION

Erik Robbert Vossenaar; Marc Wilhelmus Gijsbert Ponjee; Hendrik R. Stapert; Mark Thomas Johnson


Archive | 2006

Biosensors with improved sensitivity

Reinhold Wimberger-Friedl; Hendrik R. Stapert


Archive | 2005

Camera Arrangement, Mobile Phone Comprising a Camera Arrangement, Method of Manufacturing a Camera Arrangement

Emile Johannes Karel Verstegen; Arjen Gerben Van Der Sijde; Edwin Maria Wolterink; Hendrik R. Stapert


Archive | 2005

System For Manufacturing Micro-Sheres

Marcel Rene Boehmer; Hendrik R. Stapert; Paulus Cornelis Duineveld


Archive | 2003

Method of manufacturing a replica, as well as a replica obtained by carring out a uv light-initiated or thermal curing treatment of a reactive mixture

Helmar Van Santen; Hendrik R. Stapert; Johan George Kloosterboer


Archive | 2003

Controllable two layer birefringent optical component

Emile Johannes Karel Verstegen; Hendrik R. Stapert

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