A Terahertz Chemical Microscope to Visualize Chemical Concentrations in Microfluidic Chips
スポンサーリンク
概要
- 論文の詳細を見る
Here, a new type of terahertz chemical microscope (TCM) is proposed and developed, and the first demonstration of imaging the chemical concentration in fluid channels is reported. Fluid samples flow through channels possessing a semiconductor sensing plate as a bottom wall. Terahertz (THz) waves are radiated from the sensing plate as a result of femtosecond laser illumination. Because the amplitude of the THz radiation depends on the concentration of ions adsorbed on the surface of the plate, the ion distribution in the fluid channels can be visualized by scanning the laser across the plate. An image showing separated solutions with two different proton concentrations is successfully observed as the first demonstration of this instrument.
- Japan Society of Applied Physicsの論文
- 2007-11-25
著者
-
Kawayama Iwao
Institute Of Laser Engineering Osaka University
-
Tsukada Keiji
Department Of Electrical And Electronic Engineering Okayama University
-
Kiwa Toshihiko
Department Of Electrical And Electronic Engineering Okayama University
-
Tonouchi Masayoshi
Institute Of Laser Engineering Osaka University
-
Yamada Hironobu
Department Of Anatomy School Of Medicine Tokushima University
-
Kondo Junichi
Department Of Material Chemistry Graduate School Of Engineering Kyoto University
-
Tsukada Keiji
Department of Electrical and Electronic Engineering, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan
-
Kiwa Toshihiko
Department of Electrical and Electronic Engineering, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan
-
Yamada Hironobu
Department of Electrical and Electronic Engineering, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan
-
Oka Shohei
Department of Electrical and Electronic Engineering, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan
-
Tonouchi Masayoshi
Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
-
Kawayama Iwao
Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
-
Kondo Junichi
Department of Biology, Faculty of Science, Okayama University
関連論文
- Interhemispheric connection of auditory neural pathways assessed by auditory evoked magnetic fields in patients with fronto-temporal lobe infarction
- Evaluation of the Sensitivity of Hydrogen Sensors Covered with Polytetrafluoroethylene as a Protective Membrane for Humidity
- Development and Evaluation of a Pt/Ti-FET-Type Hydrogen Sensor
- Integral Value of JT Interval in Magnetocardiography is Sensitive to Coronary Stenosis and Improves Soon After Coronary Revascularization
- PJ-254 'Injury Current' in Patients with coronary Stenosis Can be Visualized by Magnetocardiography, and Continues to Exist Early after Coronary Revascularization(Myocardial ischemia/reperfusion, basic/clinical-4, The 71st Annual Scientific Meeting of the
- PE-151 Detection of the 'Injury Current' of Ischemic Myocardium by High-Tc-SQUID Magnetocardiography(ECG/Body surface potential mapping/Holter-4, The 71st Annual Scientific Meeting of the Japanese Circulation Society)
- PE-358 Current-arrow Map of Magnetocardiography is Highly Sensitive to Coronary Stenosis, and Can Visualize the 'Injury Current' of Ischemic Myocardium(ECG/Body surface potential mapping/Holter-4 (A) PE60,Poster Session (English),The 70th Anniversary Annu
- OE-087 Diagnosis of Coronary Stenosis by Multiple-Current-Vector Diagram of Magnetocardiography : A Novel Technique to Evaluate the Inhomogeneity of Myocardial Repolarization(ECG/Body surface potential mapping/Holter-1 (A) OE15,Oral Presentation (English)
- Detection of the Patients with Coronary Stenosis by High-Tc-SQUID Magnetocardiogram(ECG/Body Surface Potential Mapping/Holter 1 (A), The 69th Annual Scientific Meeting of the Japanese Circulation Society)
- A Superconducting Quantum Interference Device Magnetometer with a Room-Temperature Pickup Coil for Measuring Impedance Magnetocardiograms
- Simplified Magnetically Shielded Cylinder Using Flexible Magnetic Sheets for High-T_c Superconducting Quantum Interference Device Magnetocardiogram Systems(Superconductors)
- Quantitative magnetic detection of finger movements in patients with Parkinson's disease
- Noninvasive Diagnosis of Arrhythmic Foci by Using Magnetocardiograms : Method and Accuracy of Magneto-Anatomical Mapping System
- Hydrogen-Gas Detection System and its Functions to Make Each Sensor Wireless
- Magnetic Marker and High T_c Superconducting Quantum Interference Device for Biological Immunoassays(SQUIDs, Superconducting Electronic Devices and Their Applications)
- Reversible Myocardial Ischemia in Asymptomatic Phase Can Be Diagnosed by Magnetocardiograms
- Magnetocardiograms Detect the Right Atrial Conduction Delay in Paroxysmal Atrial Fibrillation
- Initiation and Persistence of Atrial Flutter Visualized by Magnetocardiographic Animations
- Noninvasive Diagnosis of Partial Atrial Standstill Using Magnetocardiograms
- Cerebral Circulation and Metabolism Induced Hypoxemia Especially Its Influence on Cerebral Carbohydrate Metabolism : PROCEEDINGS OF THE 25TH ANNUAL MEETlNG, JAPANESE CIRCULATION SOCIETY Part III
- A Study of Cerebral Circulation by Eyeground Photography during 10% Oxygen Respiration : PROCEEDINGS OF THE 25TH ANNUAL MEETlNG, JAPANESE CIRCULATION SOCIETY Part III
- Measurement of pH in Fluidic Chip Using a Terahertz Chemical Microscope
- OJ-427 A Novel Method to Visualize Cardiac Electrical Current Using Magnetocardiogram : Application to Patients With Dilated Cardiomyopathy(ECG/Body Surface Potential Mapping/Holter 6 (A) : OJ52)(Oral Presentation (Japanese))
- Magneto-encephalographic measurement of neural activity during period of vertigo induced by cold caloric stimulation
- Abnormal auditory neural networks in patients with right hemispheric infarction, chronic dizziness, and moyamoya disease : a magnetoencephalogram study
- PE-364 Integral Value of JT Interval in Magnetocardiogram is Sensitive to Coronary Stenosis, and It Improves Early after Successful Coronary Revascularization(ECG/Body Surface Potential Mapping/Holler 7 (A) : PE62)(Poster Session (English))
- PE-362 Multiple-current-vector Diagram of Magnetocardiography (MCG) is Highly Sensitive to Coronary Stenosis and its Abnormality Persists after Coronary Revascularization(ECG/Body Surface Potential Mapping/Holler 7 (A) : PE62)(Poster Session (English))
- PE-075 Multiple-current-vector diagram of magnetocardiography is highly sensitive to coronary stenosis : A novel technique to evaluate the inhomogeneity of myocardial repolarization(Angina Pectoris, Clinical 1 (IHD) : PE13)(Poster Session (English))
- Temperature Control and Packaging Optimization of the Integrated Hydrogen Sensor
- Hydrogen Selectivity of a Proton-Pumping Gate FET Hydrogen Sensor in an AC Modulation Mode
- Study on Sub-THz Signal Input for Superconducting Electronic Devices(Innovative Superconducting Devices and Their Applications)
- Optical responses of Josephson vortex flow transistors under irradiation of femtosecond laser pulses (Special issue: Solid state devices and materials)
- Optical Responses of Josephson Vortex flow Transistor under irradiation of femtosecond laser pulses
- DC and AC Responses of Josephson Vortex Flow Transistors with High T_c Superconducting Thin Films( Superconducting High-frequency Devices)
- Noninvasive Measurements of Magnetic Field Generated by Induced Current within Human Body under Exposure to Very Low Frequency Electromagnetic Fields
- Improvement of Thermal Stability and Critical Current of Superconducting Nb Multi-Layer Wiring
- Detection of Pulsed Terahertz Waves Using High-Temperature Superconductor Josephson Junction
- Terahertz Time Domain Spectroscopy for Structure-II Gas Hydrates
- Recent Topics in High-T_c Superconductive Electronics
- Right Ventricular Volume Unloading Evaluated by Tangential Magnetocardiography
- Magnetic Measurement of the Moisture Content in Soil : Diamagnetic Measurement with the Presence of Ferromagnetic Material
- A Microfluorometric Study on the Chromatin Fraction Isolated from Rat Liver
- Interference of Proteins on Acridine Orange Fluorescence of Nucleic Acids
- Bulk Crystal Growth of Stilbazolium Derivatives for Terahertz Waves Generation
- AC Magnetic Properties of Large Volume of Water — Susceptibility Measurement in Unshielded Environment
- Analysis of Recent Japanese Chemical Industries Observed by the Dynamical Rate of Return on Investment
- Controllable Supereonducting Nb Long Mierobridge by Low Frequency, and Its Resonant Characteristics
- A Facile Synthesis of 1,1-Disilylethenes via Me_3MgLi-Induced Monomethylation of Dibromodisilylmethanes
- CS-11-1 Current Status and Prospect of Terahertz Technology and Its Application
- Effects of Neonatal Administration of Monosodium Glutamate on the Pars Intermedia of the Mouse Pituitary : A Morphometric Study(COMMUNICATION)(Endocrinology)
- Imaging of a Polycrystalline Silicon Solar Cell Using a Laser Terahertz Emission Microscope
- A Terahertz Chemical Microscope to Visualize Chemical Concentrations in Microfluidic Chips
- Investigation of Terahertz Emission Phenomena of High-$T_{\text{c}}$ Superconductors
- Recent Topics in High-$T_{\text{c}}$ Superconductive Electronics
- Development of Fiber-Coupled Compact Terahertz Time-Domain Spectroscopy Imaging Head
- Scanning Probe Laser Terahertz Emission Microscopy System
- Influence of Mn Doping on Ferroelectric-Antiferromagnet BiFeO3 Thin Films Grown on (LaAlO3)0.3(Sr2AlTaO6)0.7 Substrates
- Observation of Strain Effects of SrTiO3 Thin Films by Terahertz Time-Domain Spectroscopy with a 4-Dimethylamino-N-methyl-4-stilbazolium Tosylate Emitter
- Optical Responses of Josephson Vortex Flow Transistors under Irradiation of Femtosecond Laser Pulses
- Imaging of a Polycrystalline Silicon Solar Cell Using a Laser Terahertz Emission Microscope
- ED2012-111 Plasmon induced transparency in terahertz metamaterials
- ED2012-110 Frequency-Tunable Narrowband Time-Domain Terahertz Wave Generation by Optical Rectification