公开(公告)号：EP2912435A1

公开(公告)日：2015-09-02

申请号：EP13786155.5

申请日：2013-10-25

申请人： Danmarks Tekniske Universitet

发明人： YAMADA, Shoko ,  SCHMID, Silvan ,  BOISEN, Anja ,  LARSEN, Tom

IPC分类号： G01N21/17 ,  G01N29/24

CPC分类号： G01N21/39 ,  G01N21/1702 ,  G01N29/022 ,  G01N29/036 ,  G01N29/2418 ,  G01N2201/06113 ,  G01N2291/014 ,  G01N2291/0256 ,  G01N2291/0427

摘要： The present invention relates to a method for detecting photo-thermal absorbance of a material utilising a mechanically temperature sensitive resonator (20) and a sample being arrange in thermal communication with the temperature sensitive resonator. The present invention further relates to an apparatus for detecting photo-thermal absorbance of a sample.

公开(公告)号：EP2773941A1

公开(公告)日：2014-09-10

申请号：EP12783096.6

申请日：2012-11-02

申请人： Danmarks Tekniske Universitet

发明人： SCHMID, Silvan ,  BOISEN, Anja

IPC分类号： G01N9/00 ,  G01N5/02 ,  G01N29/036

CPC分类号： G01N33/0004 ,  G01N5/02 ,  G01N9/002 ,  G01N15/0255 ,  G01N29/022 ,  G01N29/036 ,  G01N2291/0256 ,  G01N2291/0427

摘要： The present invention relates to methods and devices for determining the weight of small particles, typically being nano-sized particles by use of resonating fibers in the form of elongate members being driven into resonance by an actuator or e.g. thermal noise/fluctuation. The frequency shift in resonance frequency due to depositing of nano-sized particles is correlated with the mass deposited on the elongate member and the vibration frequency of the elongate member is determined by a detector. The read-out from the detector is transformed into a mass deposited on the elongate member. Particles are deposited by letting a fluid with the particles flow past the elongate member.

公开(公告)号：EP3014275A1

公开(公告)日：2016-05-04

申请号：EP14736602.5

申请日：2014-06-26

申请人： Danmarks Tekniske Universitet

发明人： KHAN, Muhammad Faheem ,  SCHMID, Silvan ,  BOISEN, Anja ,  KIM, Seonghwan ,  THUNDAT, Thomas

IPC分类号： G01N33/543 ,  G01N21/03 ,  B01L3/00 ,  G01B11/24

CPC分类号： G01B11/16 ,  B01L3/5027 ,  B01L3/502715 ,  B01L2300/0636 ,  B01L2300/0663 ,  B01L2300/0877 ,  B01L2300/1838 ,  G01N21/0303 ,  G01N21/171 ,  G01N21/31 ,  G01N2021/036 ,  G01N2021/0389 ,  G01N2201/06113

摘要： The present invention relates to a micromechanical photothermal analyser of microfluidic samples comprising an oblong micro-channel extending longitudinally from a support element, the micro-channel is made from at least two materials with different thermal expansion coefficients, wherein the materials are arranged relatively to each other so that heating of the micro-channel results in a bending of the micro-channel, the first material has a first thermal expansion coefficient and is made from an light-specific transparent penetrable material so that when exposed to ultraviolet, visible, or infrared light, the specific light radiates into the channel through said light transparent material, the second material has a second thermal expansion coefficient being different from the first thermal expansion coefficient. The micromechanical photothermal analyser also comprises an irradiation source being adapted to controlled radiate ultraviolet, visible, or infrared light towards and through the transparent micro-channel, and a deflection detector being adapted to detect the amount of deflection of the micro-channel. The wavelength-deflection plot provides a spectrum of an analyte inside the oblong microchannel. To characterize the analyte the plot is compared with the standard database of spectroscopy.