negative selection

WordNet

1. reckoned in a direction opposite to that regarded as positive; "negative interest rates"
2. a piece of photographic film showing an image with light and shade or colors reversed
3. a reply of denial; "he answered in the negative"
4. not indicating the presence of microorganisms or disease or a specific condition; "the HIV test was negative" (同)disconfirming
5. having a negative charge; "electrons are negative" (同)electronegative, negatively charged
6. characterized by or displaying negation or denial or opposition or resistance; having no positive features; "a negative outlook on life"; "a colorless negative personality"; "a negative evaluation"; "a negative reaction to an advertising campaign"
7. expressing or consisting of a negation or refusal or denial
8. having the quality of something harmful or unpleasant; "ran a negative campaign"; "delinquents retarded by their negative outlook on life"
9. less than zero; "a negative number"
10. an assortment of things from which a choice can be made; "the store carried a large selection of shoes"

PrepTutorEJDIC

1. 『否定の』,反対の / 『消極的な』,控えめの / 陰電気の;(数値が)負の,マイナスの(minus);(写真が)陰画の,ネガの;(医学検査結果が)陰性の / 『否定』,拒否,「いやだ」と言うこと / 否定語[句] / 《the~》(特に討論会の)反対者側,反対派 / (電気分解に用いる)陰極板 / (数値の)負数 / (写真の)陰画,ネガ / 《しばしば受動態に用いて》…‘に'反対投票をする / =negate
2. 〈U〉《時にA~》『選ぶこと』,選抜,選出;(…から)選び出すこと《+『from』(『out of, among』)+『名』》 / 〈C〉(…から)『選び抜かれた人』(『物』);(…の)抜粋,選集《+『from』(『of』)+『名』》 / 〈C〉《単数形で》(商店などの)品揃え / 〈U〉淘汰(とうた):natural selection自然淘汰

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/03/14 21:21:42」(JST)

wiki en

[Wiki en表示]

Negative selection may refer to:

In biology:

• Negative selection (natural selection), in natural selection it refers to the selective removal of rare alleles that are deleterious
• Negative selection (artificial selection), in artificial selection it refers to where negative, rather than positive, traits of a species are selected for

In politics:

• Negative selection (politics), is a process that occurs in rigid hierarchies, most notably dictatorships

In immunology:

• Negative selection (immunology) T-cells that recognize self MHC molecules (and peptides) with high affinity are deleted from the repertoire of cells. Central tolerance is produced. Avoids auto-immunity. Occurs after positive selection.

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English Journal

• Two-stage microfluidic chip for selective isolation of circulating tumor cells (CTCs).

• Hyun KA1, Lee TY2, Lee SH3, Jung HI4.
• Biosensors & bioelectronics.Biosens Bioelectron.2015 May 15;67:86-92. doi: 10.1016/j.bios.2014.07.019. Epub 2014 Jul 14.
• Over the past few decades, circulating tumor cells (CTCs) have been studied as a means of overcoming cancer. However, the rarity and heterogeneity of CTCs have been the most significant hurdles in CTC research. Many techniques for CTC isolation have been developed and can be classified into positive
• PMID 25060749

• Pushing through evolution? Incidence and fight records of left-oriented fighters in professional boxing history.

• Loffing F1, Hagemann N.
• Laterality.Laterality.2015 May;20(3):270-86. doi: 10.1080/1357650X.2014.961471. Epub 2014 Sep 26.
• The fighting hypothesis proposes that left-oriented athletes enjoy a negative frequency-dependent advantage in combat sports such as boxing. Supporting evidence, however, is restricted to cross-sectional frequency data from small samples. Here, we examined the incidence and fight records of 2,403 le
• PMID 25256071

• Consolidation of slow or fast but not moderately evolving genes at the level of pathways and processes.

• Vinogradov AE1.
• Gene.Gene.2015 Apr 25;561(1):30-4. doi: 10.1016/j.gene.2015.01.066. Epub 2015 Feb 21.
• Conservatism versus innovation is probably the most important dichotomy of all evolving systems. In molecular evolution the distinction between conservative (negative) selection, innovative (positive) selection and unconstrained evolution (drift) is usually ambiguous at the gene level. Only rare cas
• PMID 25707747

Japanese Journal

• User Speed Variation on Learning-based Cell Selection For Femtocell Network : Effect and Countermeasure

• Dhahri Chaima,Ohtsuki Tomoaki
• 映像情報メディア学会技術報告 38(21), 9-12, 2014-05-30
• … In this report, we refer to our previous work [7], where the problem of cell selection in open-access femtocell networks was formulated as a reinforcement learning (RL) framework in a non-stationary scenario. … In this report, we investigate the effect of user-speed's variation on learning-based cell selection for femtocell network. … Also, we present a solution to counteract the negative effect of user-speed variation on learning. …
• NAID 110009841735

• B前駆細胞の制御とB前駆型急性リンパ性白血病の発症におけるBACH2の意義

• 犬飼 岳史
• 血液内科 68(5), 689-697, 2014-05
• NAID 40020114824

• A stepwise likelihood ratio test procedure for rare variant selection in case-control studies

• Kuk Anthony YC,Nott David J,Yang Yaning
• Journal of human genetics 59(4), 198-205, 2014-04
• NAID 40020043154

Related Links

• Negative Selection | Learn Science at Scitable

Because more DNA changes are harmful than are beneficial, negative selection plays an important role in maintaining the long-term stability of biological structures by removing deleterious mutations. Thus, negative ...

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リンク元	「ネガティブ選択」「ネガティブセレクション」
関連記事	「selection」「negative」

「ネガティブ選択」

　　[★]

英

negative selection

関

ネガティブセレクション

「ネガティブセレクション」

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英

negative selection

関

ネガティブ選択

「selection」

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• n.

• 選択、選定、セレクション

関

choice、choose、elective、opt、option、optional、select、selective

　 　

「negative」

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• adj.

• 陰性の、負の、ネガティブな、否定的な

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cryptic、negatively、negativity