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Dive into the research topics where W. Hoffmann is active.

Publication


Featured researches published by W. Hoffmann.


international conference on sensing technology | 2008

Towards high sensitive label free DNA detection in lab-on-chip systems

W. Hoffmann; H. Muhberger; W. Hwang; Horst Demattio; Andreas Guber; Volker Saile

Surprisingly high sensitivity for DNA fragment detection in contactless conductivity measurements by capacitive coupling of HF signals into microfluidic channels was further investigated by impedance spectroscopy. Experimental results indicate the general high conductivity with reduced capacitive behaviour in parallel. It can be also influenced by an electrical DC field inducing DNA alignment in the electrical measuring cell. The results encourage further development of electrical detection methods alternatively to sophisticated and expensive optical detection methods.


Chemie Ingenieur Technik | 1971

Beeinflussung der laminaren Flammengeschwindigkeit durch Alkalimetall-Salze†

W. Hoffmann


Microsystem Technologies-micro-and Nanosystems-information Storage and Processing Systems | 2008

Polyether ether ketone microstructures for chemical analytics

W. Hwang; Holger Mühlberger; W. Hoffmann; Andreas Guber; Volker Saile


Chemie Ingenieur Technik | 1984

Zirkulationsreinigen (CIP) von geraden Rohren in Abhängigkeit von der Oberflächenrauheit und anderen Einflußfaktoren

W. Hoffmann; Helmut Reuter


Wissenschaftliche Berichte FZKA | 2007

Mikrofluidische CE-Systeme aus Polymeren mit elektrischer Detektion für Life-Science-Anwendungen

Holger Mühlberger; W. Hoffmann; Andreas Guber; Volker Saile


Chemie Ingenieur Technik | 1973

OH*-Strahlungsintensität und Flammengeschwindigkeit inhibierter vorgemischter Methan/Luft-Flammen†

W. Hoffmann


Archive | 2010

Miniaturisierte Kapillarelektrophorese MinCE: von 'Lab-on-Chip' zu 'Chip-in-Lab'

W. Hoffmann; W. Hwang; P. Schierjott; L. Petrova; Holger Mühlberger; Horst Demattio; A. Voigt; B. Steinbrecht; M. Rapp; Andreas Guber; Volker Saile


Archive | 2009

Advanced manufacturing technology and electrical detection for capillary electrophoresis in chip format

W. Hoffmann; W. Hwang; Holger Mühlberger; Horst Demattio; H. Voigt; M. Rapp; Andreas Guber; Volker Saile; B. Steinbrecht


Archive | 2009

Portable on-chip multi-channel capillary electrophoresis system for low-cost high-throughput analysis

W. Hwang; Holger Mühlberger; Horst Demattio; A. Voigt; B. Steinbrecht; M. Rapp; Andreas Guber; W. Hoffmann


Archive | 2009

Advanced manufacturing technology and detection techniques for microfluidic devices

W. Hoffmann; W. Hwang; Holger Mühlberger; Horst Demattio; A. Voigt; B. Steinbrecht; M. Rapp; Andreas Guber; Volker Saile

Collaboration


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Andreas Guber

Karlsruhe Institute of Technology

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Volker Saile

Karlsruhe Institute of Technology

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Horst Demattio

Karlsruhe Institute of Technology

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M. Rapp

Karlsruhe Institute of Technology

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Dirk Herrmann

Karlsruhe Institute of Technology

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