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Resins

resins

flammable, amorphous, vegetable products of secretion or disintegration, usually formed in special cavities of plants. They are generally insoluble in water and soluble in alcohol, carbon tetrachloride, ether, or volatile oils. They are fusible and have a conchoidal fracture. They are the oxidation or polymerization products of the terpenes, and are mixtures of aromatic acids and esters. most are soft and sticky, but harden after exposure to cold.


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Permanent slide cells

... of he cricket, then, yes the cells are dead. They have been fixed and stained or the opposite, and there is very likely little water (but lots of resins) left in them.

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by canalon
Sun Sep 11, 2011 1:00 pm
 
Forum: Cell Biology
Topic: Permanent slide cells
Replies: 4
Views: 3763

Re: Important unknown nanotech within humans

... chlorite is present in toothpast,chewing gum,shampoo and aqueous cosmetic formulations,.formaldehyde is present in tobocco smoke, resins, crease resistant fabrics and aqueous cosmetic formulations such as shampoos, conditioners, shower gels, liquid handwash and bubble bath. It ...

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by vincio
Tue Feb 10, 2009 7:22 am
 
Forum: Molecular Biology
Topic: Important unknown nanotech within humans
Replies: 32
Views: 160858

Re: inactive enzyme after purification with Ni-TED

There are a number of potential problems with nickel chelating resins and metalloproteins. First, the background buffer is typically phosphate which can form soluble and insoluble complexes with metals, leaching them off the protein in the process. Second, ...

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by blcr11
Sat May 03, 2008 9:32 pm
 
Forum: Molecular Biology
Topic: inactive enzyme after purification with Ni-TED
Replies: 3
Views: 2960

Re: protein purification Ni-NTA

... you see on the gel, or even remove them altogether if high or low ionic strength prevents binding completely. You can also try different IMAC resins to see if there are differences in the banding patterns, again suggesting that they could be non-specifically bound contaminants.

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by blcr11
Wed Apr 16, 2008 6:40 pm
 
Forum: Molecular Biology
Topic: protein purification Ni-NTA
Replies: 1
Views: 2341

Ni-NTA-Columns

... chelation matrix. USB, for one, sells a silica-based Ni resin they claim gives lower non-specific binding compared to either IMAC or agarose-type resins.

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by blcr11
Thu Feb 14, 2008 12:09 pm
 
Forum: Molecular Biology
Topic: Ni-NTA-Columns
Replies: 3
Views: 2282
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