WordNet

a substance that exerts some force or effect
a businessman who buys or sells for another in exchange for a commission (同)factor, broker
any agent or representative of a federal agency or bureau (同)federal agent
a representative who acts on behalf of other persons or organizations
an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents"
how long something has existed; "it was replaced because of its age"
a time of life (usually defined in years) at which some particular qualification or power arises; "she was now of school age"; "tall for his eld" (同)eld
begin to seem older; get older; "The death of his wife caused him to age fast"
make older; "The death of his child aged him tremendously"
causing to become stable; "the family is one of the great stabilizing elements in society" (同)stabilising

PrepTutorEJDIC

『代理人』;周旋人 / 働き(作用)を起こすもの;作用物,薬剤 / (政府機関,特にFBI,CIAなどの)部員,機関員
〈U〉(一般に)『年齢』,寿命;〈C〉(個々の)『年齢』,年 / 〈U〉成年(おとなとしての資格・権利を得る年齢;通例18または21歳) / 〈U〉『老齢』;《集合的に》老人たち / 〈U〉(人生の)『一時期』;〈C〉世代(generation) / 〈U〉〈C〉《しばしばA-》(歴史上の)『時代』 / 〈C〉《話》長い間 / 年をとる,ふける;〈物が〉古くなる / 〈年〉'を'とらせる;〈物〉'を'古びさせる

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/09/14 04:07:52」(JST)

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[Wiki en表示]

In chemistry a stabilizer is a chemical which tends to inhibit the reaction between two or more other chemicals.^{[citation needed]} It can be thought of as the antonym to a catalyst. The term can also refer to a chemical that inhibits separation of suspensions, emulsions, and foams.^{[citation needed]} Heat and light stabilizers are added to plastics and elastomers because they ensure safe processing and protect products against premature aging and weathering. The trend is towards fluid systems, pellets, and increased use of masterbatches. There are monofunctional, bifunctional, and polyfunctional stabilizers. In economic terms the most important product groups on the market for stabilizers are compounds based on calcium (calcium-zinc and organo-calcium), lead, and tin stabilizers as well as liquid and light stabilizers (HALS, benzophenone, benzotriazole). Cadmium-based stabilizers largely vanished in the last years due to health and environmental concerns.^[1]

Some kinds of stabilizers are:

antioxidants, preventing unwanted oxidation of materials
sequestrants, forming chelate complexes and inactivating traces of metal ions that would otherwise act as catalysts
emulsifiers and surfactants, for stabilization of emulsions
ultraviolet stabilizers, protecting materials, especially plastics, from harmful effects of ultraviolet radiation
- UV absorbers, chemicals absorbing ultraviolet radiation and preventing it from penetrating the materials; principally the same as sunscreens
- quenchers, dissipating the radiation energy as heat instead of letting it break chemical bonds; often organic nickel salts, e.g. nickel phenolates
- scavengers, eliminating the free radicals formed by ultraviolet radiation; often hindered amine light stabilizers (HALS)

References

^ Ceresana, Market Study Stabilizers, March 2014, http://www.ceresana.com/en/market-studies/additives/stabilizers/

This chemistry-related article is a stub. You can help Wikipedia by expanding it.

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English Journal

Biosynthesis of Ag nanoparticles using pedicellamide and its photocatalytic activity: An eco-friendly approach.

Tamuly C1, Hazarika M2, Bordoloi M3, Bhattacharyya PK4, Kar R5.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.Spectrochim Acta A Mol Biomol Spectrosc.2014 Nov 11;132:687-91. doi: 10.1016/j.saa.2014.05.024. Epub 2014 May 21.
The synthesis of silver (Ag) nanoparticles using by pedicellamide (A), isolated from Piper pedicellatum C.DC leaf is demonstrated here. TEM analysis revealed that the Ag nanoparticles predominantly form spherical in shape. The compound 'A' act as a reducing, stabilizing and capping agent. The reacti
PMID 24907972

Sonochemical synthesis of carbon supported Sn nanoparticles and its electrochemical application.

Anandan S1, Wu JJ2.
Ultrasonics sonochemistry.Ultrason Sonochem.2014 Nov;21(6):1954-7. doi: 10.1016/j.ultsonch.2014.02.018. Epub 2014 Feb 26.
A sonochemical approach was employed to prepare Vulcan carbon XC-72R supported by Sn nanoparticles at room temperature in the presence of ethylene glycol. The reduction of metallic Sn ion and ethylene glycol takes place and in turn the glycolate ion as formed acts as a stabilizing agent. Transmissio
PMID 24629583

Facile size-regulated synthesis of silver nanoparticles using pectin.

Zahran MK1, Ahmed HB2, El-Rafie MH3.
Carbohydrate polymers.Carbohydr Polym.2014 Oct 13;111:971-8. doi: 10.1016/j.carbpol.2014.05.028. Epub 2014 May 23.
Monodispersed silver nanoparticles capped by pectin were prepared by the reaction of silver nitrate with alkali hydrolyzed pectin at 70°C for 30min. Spherical and size-regulated silver nanoparticles were prepared using alkali hydrolyzed pectin as a reducing and particle-stabilizing agent. This appr
PMID 25037438

Japanese Journal

酸化マグネシウムによる重金属類汚染土の不溶化処理と土壌中での鉱物化学反応

和田信一郎,森下智貴
粘土科学 51(3), 107-117, 2013-03-28
… The use of magnesium oxide (MgO) as a stabilizing agent for inorganic soil pollutants including heavy metals, arsenic, boron, fluoride and selenium is reviewed. …
NAID 110009604680

Preparation of Water-Soluble Mercaptocarboxylated Gold Nanoparticles and Their Dispersion Properties (Special Issue for Multiscale Multiphase Process Engineering (MMPE) 2011)

NAOE Kazumitsu,YAMANAKA Koichiro,TAKEUCHI Saori [他]
Journal of chemical engineering of Japan 45(8-12), 789-792, 2012-12
NAID 40019532302

Lx2-32c, a Novel Taxane Derivative, Exerts Anti-resistance Activity by Initiating Intrinsic Apoptosis Pathway in Vitro and Inhibits the Growth of Resistant Tumor in Vivo

Zhou Qing,Li Yan,Jin Jing [他],Lang Liwei,Zhu Zhixiang,Fang Weishuo,Chen Xiaoguang
Biological and Pharmaceutical Bulletin 35(12), 2170-2179, 2012
… In conclusion, Lx2-32c is an effective microtubule-stabilizing agent in overcoming paclitaxel resistance by inducing apoptosis via the intrinsic apoptotic pathway. …
NAID 130002480506