attenuated

　

WordNet

1. of an electrical signal; reduced in amplitude with little or no distortion
2. become weaker, in strength, value, or magnitude
3. reduced in strength; "the faded tones of an old recording" (同)attenuated, faded, weakened

PrepTutorEJDIC

1. 〈固体など〉'を'細くする;〈体など〉'を'やせさせる / 〈力・価値など〉'を'減じる,弱める

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/09/20 17:13:29」(JST)

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For attenuate (botanical term), see Glossary of botanical terms.

Attenuation is the gradual loss in intensity of any kind of flux through a medium, including:

• Acoustic attenuation, the loss of sound energy in a viscous medium
• Anelastic attenuation factor, a way to describe attenuation of seismic energy in the Earth

Attenuation may also refer to:

• Attenuation (brewing), the percent of sugar converted to alcohol and carbon dioxide by the yeast in brewing
• Attenuation coefficient, a basic quantity used in calculations of the penetration of materials by quantum particles or other energy beams
• Mass attenuation coefficient, a measurement of how strongly a chemical species or substance absorbs or scatters light at a given wavelength, per unit mass
• Regression attenuation or Regression dilution, a cause of statistical bias
• The process of producing an attenuated vaccine by reducing the virulence of a pathogen
• Attenuation constant, the real part of the propagation constant
• Attenuator (genetics), form of regulation in prokaryotic cells.

See also

• Attenuation distortion
• Attenuator (disambiguation)

UpToDate Contents

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English Journal

• African Horse Sickness Caused by Genome Reassortment and Reversion to Virulence of Live, Attenuated Vaccine Viruses, South Africa, 2004-2014.

• Weyer CT, Grewar JD, Burger P, Rossouw E, Lourens C, Joone C, le Grange M, Coetzee P, Venter E, Martin DP, MacLachlan NJ, Guthrie AJ.
• Emerging infectious diseases.Emerg Infect Dis.2016 Dec 15;22(12). doi: 10.3201/eid2212.160718. [Epub ahead of print]
• African horse sickness (AHS) is a hemorrhagic viral fever of horses. It is the only equine disease for which the World Organization for Animal Health has introduced specific guidelines for member countries seeking official recognition of disease-free status. Since 1997, South Africa has maintained a
• PMID 27442883

• Knockout of interleukin-17A protects against sepsis-associated acute kidney injury.

• Luo CJ1,2, Luo F1,3, Zhang L4, Xu Y1, Cai GY2, Fu B2, Feng Z2, Sun XF2, Chen XM5.
• Annals of intensive care.Ann Intensive Care.2016 Dec;6(1):56. doi: 10.1186/s13613-016-0157-1. Epub 2016 Jun 22.
• BACKGROUND: Sepsis-associated acute kidney injury (SA-AKI) is an independent risk factor for death in patients with sepsis, but treatment for it is limited. To improve the diagnosis and treatment of SA-AKI, we must first understand its pathogenesis. Recently, interleukin (IL)-17A has been shown to b
• PMID 27334720

• Blackberry subjected to in vitro gastrointestinal digestion affords protection against Ethyl Carbamate-induced cytotoxicity.

• Chen W1, Xu Y2, Zhang L2, Su H2, Zheng X2.
• Food chemistry.Food Chem.2016 Dec 1;212:620-7. doi: 10.1016/j.foodchem.2016.06.031. Epub 2016 Jun 14.
• Ethyl Carbamate (EC) was detected in many fermented foods. Previous studies indicated that frequent exposure to ethyl carbamate may increase the risk to suffer from cancers. Blackberry is rich in polyphenols and possesses potent antioxidant activity. This study aims to investigate the protective eff
• PMID 27374576

Japanese Journal

• Role of PGE-type receptor 4 in auditory function and noise-induced hearing loss in mice.

• Hamaguchi Kiyomi,Yamamoto Norio,Nakagawa Takayuki,Furuyashiki Tomoyuki,Narumiya Shuh,Ito Juichi
• Neuropharmacology 62(4), 1841-1847, 2012-03
• … Pharmacological activation of EP4 significantly protected OHCs against noise trauma, and attenuated noise-induced hearing loss in C57BL/6 mice. …
• NAID 120003874264

• Seasonal changes in the deleterious effects of solar ultraviolet-B radiation on eggs of the twospotted spider mite, Tetranychus urticae (Acari: Tetranychidae)

• Sakai Yuta,Sudo Masaaki,Osakabe Masahiro
• Applied Entomology and Zoology 47(1), 67-73, 2012-02
• … We assessed the biological effects of UVB radiation on the eggs of the twospotted spider mite, Tetranychus urticae Koch, under both near ambient (UV+) and UV-attenuated (UV−) conditions from spring to autumn and compared them to the effects of temperature and humidity. …
• NAID 120003874272

Related Links

• attenuatedの意味・用例｜英辞郎 on the WEB：アルク

attenuated 【形】弱毒化した - アルクがお届けする進化するオンライン英和・和英辞書データベース。一般的な単語や連語から、イディオム、専門用語、スラングまで幅広く収録。 ... 減衰全反射赤外分光法 ｛げんすい ぜんはんしゃ せき ...

• Attenuated - definition of attenuated by The Free Dictionary

at·ten·u·ate (ə-tĕn′yo o-āt′) v. at·ten·u·at·ed, at·ten·u·at·ing, at·ten·u·ates v.tr. 1. To make slender, fine, or small: The drought attenuated the river to a narrow channel. 2. To reduce in force, value, amount, or degree; weaken: Medicine ...

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拡張検索	「attenuated vaccine」「attenuated virus」
関連記事	「attenuate」

「attenuated vaccine」

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• 弱毒ワクチン、弱毒化ワクチン

関

inactivated vaccine

「attenuated virus」

　　[★]

• 弱毒ウイルス、弱毒性ウイルス

「attenuate」

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• vt.

• 捕捉する。薄める。和らげる、弱める。減ずる。(ウイルスなどを)弱毒化する、原毒する。

• vi.

• 細くなる、薄くなる、弱くなる、少なくなる。

関

(n.)attenuation, (adj.)tenuous 非常に薄い、細い。希薄な