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Scrape

scrape

1. To rub over the surface of (something) with a sharp or rough instrument; to rub over with something that roughens by removing portions of the surface; to grate harshly over; to abrade; to make even, or bring to a required condition or form, by moving the sharp edge of an instrument breadthwise over the surface with pressure, cutting away excesses and superfluous parts; to make smooth or clean; as, to scrape a bone with a knife; to scrape a metal plate to an even surface.

2. To remove by rubbing or scraping (in the sense above). I will also scrape her dust from her, and make her like the top of a rock. (Ezek. Xxvi. 4)

3. To collect by, or as by, a process of scraping; to gather in small portions by laborius effort; hence, to acquire avariciously and save penuriously; often followed by together or up; as, to scrape money together. The prelatical party complained that, to swell a number the nonconformists did not choose, but scrape, subscribers. (Fuller)

4. To express disapprobation of, as a play, or to silence, as a speaker, by drawing the feet back and forth upon the floor; usually with down. To scrape acquaintance, to seek acquaintance otherwise than by an introduction. He tried to scrape acquaintance with her, but failed ignominiously. (G. W. Cable)

Origin: Icel. Skrapa; akin to Sw. Skrapa, Dan. Skrabe, D. Schrapen, schrabben, G. Schrappen, and prob. To E. Sharp.


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Rare cell division

... than others. I guess some cells get/req. more "food" than others and therefore have to divide. 2) cells divide to repair damage. Say you scrape your elbow. Well, cells need to divide to repair that damage. So, some cells are more susceptible to damage and therefore need to divide more ...

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by mschristine
Sat Apr 11, 2009 5:50 pm
 
Forum: Molecular Biology
Topic: Rare cell division
Replies: 4
Views: 678

Re: Morgellon's REAL OR NOT

... while looking at a magnifying mirror. I asked her about it and she said it was nothing, I told her to stop that... Then I used to watch her scrape down her neck while driving and she was always scratching. Then I started seeing her lesions and would just stare because I didnt know what I ...

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by Jana
Thu Dec 27, 2007 10:15 pm
 
Forum: Human Biology
Topic: Morgellon's or ..........flies, or .......
Replies: 172
Views: 37993

extinction coefficient

can you just scrape it off, weigh it, and then measure an absorbance specturm? extinction coefficient is based on the absorance of a 1% solution.

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by pluto
Thu Nov 15, 2007 6:58 am
 
Forum: Molecular Biology
Topic: extinction coefficient
Replies: 1
Views: 495

using cheek cell dna

i did it a year ago. here's the protocol 1. vigorously scrape the inside of the cheek with a toothpick 2. place the toothpick in a clean microcentrifuge tube and add 1 mL water. Vortex 10 seconds and spin in a centrifuge 45 seconds at 10.000 rpm. 3. ...

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by sdekivit
Wed Aug 01, 2007 7:46 am
 
Forum: Molecular Biology
Topic: using cheek cell dna
Replies: 2
Views: 683

Does trypsin-based cell harvesting damage membrane proteins?

... Trypsin will damage a lot of membrane bound proteins. I don not know if EGFR itself has a Trypsin recog site though. You could try to physically scrape the cells off.

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by Vagabond
Tue Mar 20, 2007 12:48 pm
 
Forum: Cell Biology
Topic: Does trypsin-based cell harvesting damage membrane proteins?
Replies: 1
Views: 455
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