<title>Noninvasive detection of water and blood content in soft tissue from the optical reflectance spectrum</title>

Abstract Explorations on a mixed metal phosphatoantimonate system led to the discovery of two new anhydrous phosphatoantimonates, namely, Cs4MSb6P4O28 (M=Mg, Zn), which represent the first examples of quinary AI – MII –SbV – PV– O systems. Single-crystal structure analysis reveals that the two title compounds crystallize in the tetragonal space group I41/a (No. 88). Their structures feature complicated 3D frameworks with interesting tunnel structures comprised of corner sharing MO4 tetrahedra, SbO6 octahedra and PO4 tetrahedra, with the Cs+ cations sitting in the tunnels to balance the valence. Optical reflectance spectrum measurements show that these two compounds are insulators with band gaps of about 4.5 eV.

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Optical Properties of Random Multilayers of Amorphous A-Si:H/A-Si3N4+x:H and the Classical Localization

MRS Proceedings ◽

10.1557/proc-219-831 ◽

1991 ◽

Vol 219 ◽

Cited By ~ 1

Author(s):

Shoji Nitta ◽

Kohji Ogawa ◽

Takehiro Furukawa ◽

Takashi Itoh ◽

Shuichi Nonomura

Keyword(s):

Light Propagation ◽

Reflectance Spectrum ◽

Localization Length ◽

The Other ◽

Absorption Coefficients ◽

Anomalous Peak ◽

Classical Localization ◽

Optical Reflectance Spectrum ◽

Reflectance Peak ◽

Average Layer Thickness

ABSTRACTIn the optical reflectance spectrum of the random multilayers of a-Si:H/a-Si3N4+x:H, it is observed an anomalous peak which is explained by the classical localization of light propagation. The following two subjects are discussed in this report; (a). The Kramers-Kronig transformation is done including the anomalous disorder-related reflectance peak. Extra absorption coefficients Δα are obtained by this analysis. Energy dependence of the localization length 1(hv) of light propagation are obtained by 1(hv)=1/Δα(hv). (b). The other is the experiment on scaling where the ratio of the disorder and the average layer thickness is kept constant but the size of each layer is changed in each experiment

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Study on the Low-Emissive Camouflage Pigment

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.624.303 ◽

2012 ◽

Vol 624 ◽

pp. 303-306

Author(s):

Feng Chuan Shen ◽

Xin Xing Feng ◽

Tian Ma ◽

Jian Chun Zhang ◽

Hua Zhang ◽

...

Keyword(s):

Reflectance Spectrum ◽

Chemical Deposition ◽

Thermal Infrared ◽

Pure Metal ◽

Natural Grass ◽

Infrared Imager ◽

Coated Fabric ◽

Optical Reflectance Spectrum ◽

Chemical Deposition Method ◽

Thermal Infrared Imager

A low-emissive pigment of Al/SiO2/Fe2O3/FeO/Fe4[Fe(CN)6]3/Cr2O3/Cr (MAS) was prepared by chemical deposition method. The camouflage characteristics of the coated fabric with paint mixed with MAS, binder and other auxiliary in the thermal infrared (IR 8~14 um) and the optical (0.38~1.2 um) region, was studied by emissivity tester, visible light camera and thermal infrared imager. The results show that the MAS pigment has low emissivity and optical camouflage effectiveness compared with the Al/SiO2 pigment. Particularly, the MAS pigment is in green by depositing metal oxide, ferrocyanide and pure metal on the surface of Al/SiO2. The optical reflectance spectrum of coated fabric was similar to the natural grass. Furthermore, the surface emissivity of the coated fabric reached 0.51 in the IR region. The thermography of the coated fabric with 4 wt% MAS was similar to the natural grass. It can conclude that the coated fabric can perfectly imitate grass background.

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Localization of Gallium-67 in Peritoneal Cells by Electron Microscopic Autoradiography

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100072460 ◽

1973 ◽

Vol 31 ◽

pp. 404-405

Author(s):

D. C. Swartzendruber ◽

Norma L. Idoyaga-Vargas

Keyword(s):

Clinical Trials ◽

Soft Tissue ◽

Tumor Tissue ◽

Soft Tissue Tumors ◽

Clinical Usefulness ◽

Electron Microscopic ◽

Normal Cells ◽

Electron Microscopic Autoradiography ◽

Peritoneal Cells ◽

Gallium 67

The radionuclide gallium-67 (67Ga) localizes preferentially but not specifically in many human and experimental soft-tissue tumors. Because of this localization, 67Ga is used in clinical trials to detect humar. cancers by external scintiscanning methods. However, the fact that 67Ga does not localize specifically in tumors requires for its eventual clinical usefulness a fuller understanding of the mechanisms that control its deposition in both malignant and normal cells. We have previously reported that 67Ga localizes in lysosomal-like bodies, notably, although not exclusively, in macrophages of the spocytaneous AKR thymoma. Further studies on the uptake of 67Ga by macrophages are needed to determine whether there are factors related to malignancy that might alter the localization of 67Ga in these cells and thus provide clues to discovering the mechanism of 67Ga localization in tumor tissue.

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Morphological Examination of a Herpes-type Virus Indigenous for Tree Shrews

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100067790 ◽

1970 ◽

Vol 28 ◽

pp. 160-161

Author(s):

J. P. Brunschwig ◽

R. M. McCombs ◽

R. Mirkovic ◽

M. Benyesh-Melnick

Keyword(s):

Electron Microscopy ◽

Soft Tissue ◽

Chick Embryo ◽

Soft Tissue Sarcoma ◽

Cell Cultures ◽

Tree Shrew ◽

Type Virus ◽

Morphological Examination ◽

Tree Shrews ◽

Embryo Cells

A new virus, established as a member of the herpesvirus group by electron microscopy, was isolated from spontaneously degenerating cell cultures derived from the kidneys and lungs of two normal tree shrews. The virus was found to replicate best in cells derived from the homologous species. The cells used were a tree shrew cell line, T-23, which was derived from a spontaneous soft tissue sarcoma. The virus did not multiply or did so poorly for a limited number of passages in human, monkey, rodent, rabbit or chick embryo cells. In the T-23 cells, the virus behaved as members of the subgroup B of herpesvirus, in that the virus remained primarily cell associated.

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The miR-21 potential of serving as a biomarker for liver diseases in clinical practice

Biochemical Society Transactions ◽

10.1042/bst20200653 ◽

2020 ◽

Vol 48 (5) ◽

pp. 2295-2305

Author(s):

Jiawei Zhang ◽

Dandan Li ◽

Rui Zhang ◽

Peng Gao ◽

Rongxue Peng ◽

...

Keyword(s):

Clinical Practice ◽

Liver Diseases ◽

Hepatic Disease ◽

Noninvasive Detection ◽

Diagnosis And Prognosis ◽

Expected Performance ◽

Potential Biomarker ◽

Disease Condition ◽

Complex Regulatory Network

The role of miR-21 in the pathogenesis of various liver diseases, together with the possibility of detecting microRNA in the circulation, makes miR-21 a potential biomarker for noninvasive detection. In this review, we summarize the potential utility of extracellular miR-21 in the clinical management of hepatic disease patients and compared it with the current clinical practice. MiR-21 shows screening and prognostic value for liver cancer. In liver cirrhosis, miR-21 may serve as a biomarker for the differentiating diagnosis and prognosis. MiR-21 is also a potential biomarker for the severity of hepatitis. We elucidate the disease condition under which miR-21 testing can reach the expected performance. Though miR-21 is a key regulator of liver diseases, microRNAs coordinate with each other in the complex regulatory network. As a result, the performance of miR-21 is better when combined with other microRNAs or classical biomarkers under certain clinical circumstances.

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