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(British usage) kerosine (同)paraffin oil
from crude petroleum; used for candles and for preservative or waterproof coatings (同)paraffin wax

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(またparaffin wax)バラフィン,石ろう / (またparaffin oil)《英》=kerosene

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/07/30 23:58:37」(JST)

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A carton box with Parafilm.

Parafilm is a plastic paraffin film with a paper backing produced by Pechiney Plastic Packaging Company, based in Chicago, Illinois primarily used in laboratories. It is commonly used for sealing or protecting vessels (such as flasks or cuvettes). It is ductile, malleable, waterproof, odorless, thermoplastic, semi-transparent and cohesive.

It is also used to further seal a lidded container against moisture and air contamination for long term storage. However it is also claimed that Parafilm breaks down over time on exposure to air and light and so does not serve as a long-term sealant.^{[citation needed]}

Since it is a thermoplastic, Parafilm is not safe for use in an autoclave.

Volatile organic solvents will dissolve Parafilm.

Parafilm is sometimes used by modelers^[ambiguous] as a masking material during airbrushing, due to its lack of adhesion, which can destroy a finish.

Horticulturalists sometimes use Parafilm in grafting. Several grafting styles call for wrapping a graft to hold it together, and sealing it to prevent drying and Parafilm does both. In this context Parafilm is also known as grafting tape.

Entomologists have used Parafilm as a membrane to feed hematophagous insects such as mosquitoes and bedbugs^[1] reared in the lab.

A new application of Parafilm is to make paper-based microfludic device.^[2] Paper-based microfludic device is considered as a suitable way to fabricate low-cost point-of-care diagnostics for developing countries and areas where expensive medical instrumentation is not accessible.

A similar but now long discontinued product was Sealon film by Fuji.^[3]^[4]

References[edit]

^ http://www.nytimes.com/2010/08/31/science/31bedbug.html
^ http://blogs.rsc.org/chipsandtips/2012/04/10/simple-and-rapid-fabrication-of-paper-microfluidic-devices-utilizing-parafilm%C2%AE/
^ Mitsuhashi, Jun (1979). "Materials for Artificial Rearing of Leafhoppers". In Maramorosch, Karl & Harris, Kerry F. Leafhopper Vectors and Plant Disease Agents. Academic Press. p. 375.
^ Takahashi, K.; Mogi, I.; Awaji, S.; Watanabe, K. (2011). "Non-contact measurement of diamagnetic susceptibility change by a magnetic levitation technique". Measurement Science and Technology 22 (3): 035703. doi:10.1088/0957-0233/22/3/035703. edit

External links[edit]

http://www.parafilm.com

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

English Journal

Feasibility of global miRNA analysis from fine-needle biopsy FFPE material in patients with hepatocellular carcinoma treated with sorafenib.

Peveling-Oberhag J1, Döring C2, Hartmann S2, Filmann N3, Mertens A1, Piiper A1, Herrmann E3, Hansmann ML2, Zeuzem S1, Trojan J1, Welker MW1.
Clinical science (London, England : 1979).Clin Sci (Lond).2015 Jan 1;128(1):29-37. doi: 10.1042/CS20140007.
Sorafenib is the standard treatment for patients with advanced hepatocellular carcinoma (HCC). However, the median overall survival (OS) benefit is only ~3 months, and sufficient biomarkers predicting treatment response are not available. The aim of the present study was to evaluate miRNA expression
PMID 24959956

Human papillomavirus infection is rare in nonmalignant tonsil tissue in the UK: Implications for tonsil cancer precursor lesions.

Palmer E1, Newcombe RG, Green AC, Kelly C, Noel Gill O, Hall G, Fiander AN, Pirotte E, Hibbitts SJ, Homer J, Powell NG.
International journal of cancer. Journal international du cancer.Int J Cancer.2014 Nov 15;135(10):2437-43. doi: 10.1002/ijc.28886. Epub 2014 Apr 18.
The incidence of human papillomavirus (HPV)-associated tonsil cancer is increasing but the prevalence of HPV, and of premalignant precursors, in tonsil tissue is unknown. We aimed to assess prevalence of HPV infection in nonmalignant tonsillar crypt epithelia and to histopathologically characterise
PMID 24723209

ALK fusion and its association with other driver gene mutations in Finnish non-small cell lung cancer patients.

Tuononen K1, Kero M, Mäki-Nevala S, Sarhadi VK, Tikkanen M, Wirtanen T, Rönty M, Knuuttila A, Knuutila S.
Genes, chromosomes & cancer.Genes Chromosomes Cancer.2014 Nov;53(11):895-901. doi: 10.1002/gcc.22198. Epub 2014 Jun 19.
Screening of anaplastic lymphoma tyrosine kinase (ALK) gene fusions in non-small cell lung cancer (NSCLC) patients enables the identification of the patients likely to benefit from ALK-targeted therapy. Our aim was to assess the prevalence of ALK fusion in Finnish NSCLC patients, which has not been
PMID 24942490

Japanese Journal

Conidia of Erysiphe trifoliorum attempt penetration twice during a two-step germination process on non-host barley leaves and an artificial hydrophobic surface

TAKIKAWA Yoshihiro,KAKUTANI Koji,NONOMURA Teruo,MATSUDA Yoshinori,TOYODA Hideyoshi
Mycoscience 52(3), 204-209, 2011-05-25
NAID 10028251202

実験的早期接触が唾液中ストレスマーカーに与える影響

秋本泰介,中島啓介,松本知久,村岡宏祐,横田誠
日本歯周病学会会誌 53(2), 113-124, 2011
我々は, 歯周炎により歯の移動と挺出が引き起こされること, 歯周基本治療後に患者の不安傾向が減少することを明らかにした。これらから「歯周炎による歯の移動と挺出がまず始めに引き起こされ, その後, 早期接触が生じる」という仮説を立てた。本研究の目的は, 早期接触が唾液中ストレスマーカーに与える影響を評価することであった。本研究の被験者は19歳から28歳までの健常者22名(男性15名, 女性7名)であ …
NAID 130002066798

ヒト皮膚表面より放出されるアセトンガス量と血中β-ヒドロキシ酪酸濃度との相関

野瀬和利,近藤孝晴,荒木修喜,津田孝雄
分析化学 54(2), 161-165, 2005-02-05
… After a finger was pushed into the collector at the center of a shield film made by PARAFILM^[○!R], its state was maintained for a period of 3 minutes for collecting human emanated gases from the inserted finger. …
NAID 110002910039