ES2520590A1 - Calorímetro diferencial y método para la medida de la tasa de absorción específica de coloides magnéticos sometidos a campos electromagnéticos - Google Patents
Calorímetro diferencial y método para la medida de la tasa de absorción específica de coloides magnéticos sometidos a campos electromagnéticos Download PDFInfo
- Publication number
- ES2520590A1 ES2520590A1 ES201300432A ES201300432A ES2520590A1 ES 2520590 A1 ES2520590 A1 ES 2520590A1 ES 201300432 A ES201300432 A ES 201300432A ES 201300432 A ES201300432 A ES 201300432A ES 2520590 A1 ES2520590 A1 ES 2520590A1
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- Spain
- Prior art keywords
- magnetic
- subjected
- differential calorimeter
- absorption rate
- specific absorption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K17/00—Measuring quantity of heat
- G01K17/04—Calorimeters using compensation methods, i.e. where the absorbed or released quantity of heat to be measured is compensated by a measured quantity of heating or cooling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/48—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation
- G01N25/4846—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation for a motionless, e.g. solid sample
- G01N25/4866—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation for a motionless, e.g. solid sample by using a differential method
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
- A61N1/403—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia
- A61N1/406—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia using implantable thermoseeds or injected particles for localized hyperthermia
Abstract
Calorímetro diferencial y método para la medida de la tasa de absorción especifica de coloides magnéticos. La presente invención se refiere a un calorímetro diferencial y a un método para la determinación de la tasa de absorción especifica (SAR) de coloides magnéticos sometidos a un campo electromagnético, para su aplicación en terapias mediante hipertermia magnética y en caracterización de materiales magnéticos. El calorímetro diferencial comprende dos recipientes (1) y (2) térmicamente aislados, en los que se introduce una suspensión coloidal magnética. Uno de ellos se coloca en un equipo de generación de campos electromagnéticos, y en el otro se sumerge una resistencia (6). Dos sondas termométricas (3) y (4) miden la diferencia de temperatura de ambos coloides y, con un sistema de control (5) y otro de amplificación de potencia (7) que alimenta la resistencia (6), se mantienen ambos a la misma temperatura. La potencia disipada en la resistencia es la misma que la disipada por el coloide magnético sometido al campo electromagnético.
Description
Claims (1)
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imagen1 imagen2
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES201300432A ES2520590B2 (es) | 2013-05-10 | 2013-05-10 | Calorímetro diferencial y método para la medida de la tasa de absorción específica de coloides magnéticos sometidos a campos electromagnéticos |
PCT/ES2014/000026 WO2014181006A1 (es) | 2013-05-10 | 2014-03-03 | Calorímetro diferencial y método para la medida de la tasa de absorción específica de coloides magnéticos sometidos a campos electromagnéticos |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES201300432A ES2520590B2 (es) | 2013-05-10 | 2013-05-10 | Calorímetro diferencial y método para la medida de la tasa de absorción específica de coloides magnéticos sometidos a campos electromagnéticos |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2520590A1 true ES2520590A1 (es) | 2014-11-11 |
ES2520590B2 ES2520590B2 (es) | 2015-04-30 |
Family
ID=51847034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES201300432A Active ES2520590B2 (es) | 2013-05-10 | 2013-05-10 | Calorímetro diferencial y método para la medida de la tasa de absorción específica de coloides magnéticos sometidos a campos electromagnéticos |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES2520590B2 (es) |
WO (1) | WO2014181006A1 (es) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4813789A (en) * | 1988-08-01 | 1989-03-21 | The United States Of America As Represented By The Secretary Of The Navy | Near-field radio wave dosimetry |
WO2004055538A1 (de) * | 2002-12-18 | 2004-07-01 | Epcos Ag | Kalorimetrische messanordnung und kalorimetrisches messverfahren |
ES2333762B1 (es) * | 2007-12-24 | 2011-01-17 | Consejo Superior De Investigaciones Cientificas | Equipo adiabatico para medida del coeficiente de absorcion especificode un material sometido a un campo magnetico alterno y metodo para realizar dicha medida. |
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2013
- 2013-05-10 ES ES201300432A patent/ES2520590B2/es active Active
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2014
- 2014-03-03 WO PCT/ES2014/000026 patent/WO2014181006A1/es active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4813789A (en) * | 1988-08-01 | 1989-03-21 | The United States Of America As Represented By The Secretary Of The Navy | Near-field radio wave dosimetry |
WO2004055538A1 (de) * | 2002-12-18 | 2004-07-01 | Epcos Ag | Kalorimetrische messanordnung und kalorimetrisches messverfahren |
ES2333762B1 (es) * | 2007-12-24 | 2011-01-17 | Consejo Superior De Investigaciones Cientificas | Equipo adiabatico para medida del coeficiente de absorcion especificode un material sometido a un campo magnetico alterno y metodo para realizar dicha medida. |
Non-Patent Citations (1)
Title |
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LACROIX, L.-M. et al. A frequency-adjustable electromagnet for hyperthermia measurements on magnetic nanoparticles. Review of Scientific Instruments, 79, 093909 (2008), DOI:http://dx.doi.org/10.1063/1.2972172 * |
Also Published As
Publication number | Publication date |
---|---|
WO2014181006A1 (es) | 2014-11-13 |
ES2520590B2 (es) | 2015-04-30 |
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