enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Colloidal gold - Wikipedia

   en.wikipedia.org/wiki/Colloidal_gold

   Colloidal gold is a sol or colloidal suspension of nanoparticles of gold in a fluid, usually water. [1] The colloid is coloured usually either wine red (for spherical particles less than 100 nm ) or blue-purple (for larger spherical particles or nanorods ). [ 2 ]

3. Granulation (jewellery) - Wikipedia

   en.wikipedia.org/wiki/Granulation_(jewellery)

   There are three basic techniques that may be used to attach granules to a metal surface: hard soldering, fusing and colloidal soldering. The metals used in granulation are usually gold and/or silver alloys of high purity – alloys below 18 kt. gold and sterling silver being unsuitable. With each technique, the process begins with the making of ...

4. Polyvalent DNA gold nanoparticles - Wikipedia

   en.wikipedia.org/wiki/Polyvalent_DNA_gold_nano...

   Gold nanoparticles can be purchased or synthesized via a variety of methods. [12] Several strategies exist for functionalizing gold nanoparticles with single-stranded DNA; one of the most commonly utilized strategies involves introducing thiol-terminated DNA to a solution of gold nanoparticles and gradually increasing the concentration of a salt, like NaCl.

5. Colloidal gold protein assay - Wikipedia

   en.wikipedia.org/wiki/Colloidal_gold_protein_assay

   The colloidal gold protein assay is a highly sensitive biochemical assay for determining the total concentration of protein in a solution (~0.1 ng/μL to 200 ng/μL). [1] It was first described in 1987 by two groups who used commercially available "Aurodye" colloidal gold solutions.

6. Jewelry wire - Wikipedia

   en.wikipedia.org/wiki/Jewelry_wire

   Jewelry wire is wire, usually copper, brass, nickel, aluminium, silver, or gold, used in jewelry making. Wire is defined today as a single, usually cylindrical, elongated strand of drawn metal. However, when wire was first invented over 2,000 years BC, it was made from gold nuggets pounded into flat sheets, which were then cut into strips. The ...

7. Category:Colloids - Wikipedia

   en.wikipedia.org/wiki/Category:Colloids

   Colloidal System: Finely divided particles of any substance with diameter lying within 1-100 nm range dispersed in any medium constitute what is termed a "colloidal system solution". It is a two phase system.

8. Costco membership growth 'robust,' even amid fee increase ...

   www.aol.com/costco-membership-growth-robust-even...

   The company has had success selling gold bars, silver coins and, most recently, platinum bars. Costco members can go to the website to purchase gold bars (currently priced at $2,749.99), platinum ...

9. Cranberry glass - Wikipedia

   en.wikipedia.org/wiki/Cranberry_glass

   Vintage cranberry glass bowl The beaker with lid made from Gold Ruby is attributed to Johann Kunckel. Cranberry glass or ' Gold Ruby ' glass is a red glass made by adding gold salts or colloidal gold to molten glass. Tin, in the form of stannous chloride, is sometimes added in tiny amounts as a reducing agent. The glass is used primarily in ...