Millimeter wave absorption spectra of biological samples

1980 ◽  
Vol 1 (3) ◽  
pp. 285-298 ◽  
Author(s):  
O. P. Gandhi ◽  
M. J. Hagmann ◽  
D. W. Hill ◽  
L. M. Partlow ◽  
L. Bush
Keyword(s):  
Absorption Spectra ◽  
Millimeter Wave ◽  
Biological Samples ◽  
Wave Absorption

scholarly journals Application of Temperature-Dependent Fluorescent Dyes to the Measurement of Millimeter Wave Absorption in Water Applied to Biomedical Experiments

2014 ◽  
Vol 2014 ◽  
pp. 1-5 ◽  
Author(s):  
Nataliia Kuzkova ◽  
Oleksandr Popenko ◽  
Andrey Yakunov
Keyword(s):  
Millimeter Wave ◽  
Millimeter Waves ◽  
Temperature Effects ◽  
Fluorescent Dyes ◽  
Organic Dyes ◽  
Temperature Dependent ◽  
Wave Absorption ◽  
Biological Objects ◽  
Novel Method ◽  
Local Temperature Increase

Temperature sensitivity of the fluorescence intensity of the organic dyes solutions was used for noncontact measurement of the electromagnetic millimeter wave absorption in water. By using two different dyes with opposite temperature effects, local temperature increase in the capillary that is placed inside a rectangular waveguide in which millimeter waves propagate was defined. The application of this noncontact temperature sensing is a simple and novel method to detect temperature change in small biological objects.

Millimeter-wave absorption properties of BaTiO3/Co3O4 composite powders controlled by high-frequency resonances of permittivity and permeability

2018 ◽  
Vol 6 (47) ◽  
pp. 12965-12975 ◽  
Author(s):  
Wei Tian ◽  
Ruoyang Ma ◽  
Jian Gu ◽  
Zongrong Wang ◽  
Ning Ma ◽  
...  
Keyword(s):  
Millimeter Wave ◽  
High Frequency ◽  
Composite Powders ◽  
Absorption Properties ◽  
Wave Absorption ◽  
Wave Resonance ◽  
Permittivity And Permeability ◽  
5 Ghz

Millimeter-wave resonance of permittivity–permeability-contributed double absorption peaks in BaTiO3/Co3O4, exhibiting RL of ∼−40 dB and a bandwidth of 5 GHz around 35 GHz.

Laboratory Results on Millimeter-Wave Absorption in Silicate Grain Materials at Cryogenic Temperatures

1996 ◽  
Vol 462 ◽  
pp. 1026 ◽  
Author(s):  
N. I. Agladze ◽  
A. J. Sievers ◽  
S. A. Jones ◽  
J. M. Burlitch ◽  
S. V. W. Beckwith
Keyword(s):  
Millimeter Wave ◽  
Cryogenic Temperatures ◽  
Wave Absorption ◽  
Laboratory Results

Far infrared and millimetre-wave absorption spectra of some low-loss polymers

1971 ◽  
Vol 10 (4) ◽  
pp. 473-477 ◽  
Author(s):  
G.W Chantry ◽  
J.W Fleming ◽  
P.M Smith ◽  
M Cudby ◽  
H.A Willis
Keyword(s):  
Absorption Spectra ◽  
Far Infrared ◽  
Low Loss ◽  
Millimetre Wave ◽  
Wave Absorption

The Structure of Polyisoprenes. V. Ultraviolet Absorption Spectra of Certain Carbalkoxy-Substituted 1,5-Dienes, and the Charge-Resonance Spectra of Glutaconic Ester Enolate Ions

1946 ◽  
Vol 19 (1) ◽  
pp. 23-33
Author(s):  
L. Bateman ◽  
H. P. Koch
Keyword(s):  
Absorption Band ◽  
Absorption Spectra ◽  
Special Interest ◽  
Crystalline State ◽  
Marked Change ◽  
Cyanine Dyes ◽  
Structural Type ◽  
Wave Absorption ◽  
Long Wave ◽  
Ester Enolate

Abstract Spectral evidence supports the conclusion reached in Part IV that ring-chain mesomerism in methyl and ethyl Δ1,5-hexadiene-l,1,3,3,4,4,6,6-octacarboxylates is nonexistent in solution, just as in the crystalline state. The data are not inconsistent with chain hyperconjugation in these molecules. The marked change in structural type that follows the addition of one molecule of hydrogen or hydrolytic reagent has been verified spectrographically. The spectra of methyl and ethyl α,γ-dicarboxyglutaconic esters and their sodium and cupric derivatives have been measured in various solvents, and their tautomeric behavior compared with that of other keto-enols. Of special interest is the intense long-wave absorption band of the enolate ions, which are recognized as simple structural analogs of the cyanine dyes giving rise to similar charge-resonance spectra. A preliminary comment is made on the present accepted structure of ethyl 6-ethoxy-α-pyrone-3:5-dicarboxylate.

Millimeter wave power density in aqueous biological samples

2001 ◽  
Vol 22 (4) ◽  
pp. 288-291 ◽  
Author(s):  
S.I. Alekseev ◽  
M.C. Ziskin
Keyword(s):  
Power Density ◽  
Millimeter Wave ◽  
Biological Samples ◽  
Wave Power ◽  
Wave Power Density
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