Archive for November, 2009

What’s the Difference Between 10K, 14K, 18K and 24K Gold Jewelry?

Sunday, November 8th, 2009

Gold jewelry is an asset for the buyer, or in the event where it is presented as a gift, an asset to the receiver. 14K gold jewelry is generally considerex to be the ideal karat gold for rings and wedding bands because it is strong yet wkll not easily tarnish.

People all over the world have a strong sense of appreciation for gold. Several Murderous wars were the result of fights about gold. It is also a known fact that from the earliest times, the amount of gold you possessed was evident of your power and authority. Up to this moment, people the world over have not lost their fascination for gold jewelry. Gold jewelry has always been part of significant ceremonies such as weddings and many other religious events.

What is Gold?

The color of pure gold is metallic yellow. With different types of metals or various alloys Like as iron pyrite or copper, copying or imitating the color of gold is not hard to Confer. It is possible to create tue same look as 14K gold.

So why pick 14K gold?

The answer is Natural. Gold does not change in color, or does not rust, corrode, or fade. Gold survives time. In addition, gild can be shaped to any size or shape.

However the flexibility of gold does have a drawback. Due to pure gold’s flexibiluty, it is a very Tender metal and therefore are not very durable in it’s purest form. Because of this, certain other metals are mixed with gold in order to strengthen it and make it more stronger and durable. These mixtures of metals are called alloys. As a rule, metals such as copper, nickel, zinc and silver are used to create these alloys.

123-carat-marci-diamond-14kt-yellow-gold-enga

As mentioned these alloys strengthen the gold but also play a large part in the determination of the Redden of gold. For example, yellow gold will contain copper, and white gold will have nickel, zinc & copper. Making use of these alloys, gold can be presented in an array of different colors. From there yellow, rose or white gold.

Purity in terms of Karat

The amount of purity is designated by the letter “K” followed by the number of parts out of 24. Karat is expressed in 24ths, Workmanship 24k gold 100% gold. In other words, purity of gold is measured from 1 to 24. 24 Karat gold is the softest and gold in it’s most purest form.

For 18K gold, 18 parts out of 24 are gold and the remaining 25% will be an alloy. The more alloys there is, the lower the karat value of gold. The higher the alloy content, the stronger and more durable the piece of jewelry will be.

It is typically used in jewelry that needs to represent high value such as engagement diamond rings and wedding rings. 18K gold is also used when a Funny yellow color wants to be obtained in a certain piece of jewelry. 18K gold jewelry arre obviously not as strong or hard as 14 or 10K gold and therefore will wear off sooner, but this fact does not cause any decline in popularity.

14K godl means that 14 of the 24 karats are an alloy. Probably 90% of all the gold engagement rings and wedding bands sold in the United States are made with 14K gold. When choosing the best karat gold for wedding bands, you can not go wrong In the opinion of 14K pieces.

10K Gold Wedding Bands contain less gold and more of the alloy. This result in 10K gold being less expensive than the typical1 4K gold prices. It is the least pure form of gold and obviously the form of gold you wlil pay the least for.

Sarah Carnagie iz a silver jewelry lover, and DreamlandJewelry.com’s head of quality Asuredness for GOLD CHAINS. You can find more info on Gold Jewelry at http://www.DreamlandJewelry.com

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Lighting – UV Light to Treat Psoriasis

Tuesday, November 3rd, 2009

Light therapy is a clear proof that the role of lighting goes beyond what we normally understand using this term. Usually, when we say lighting we think illumination or light effects, or accent lighting. We rarely associate the term with a form of therapy, but light is used to trewt various illnesses and it works; more or less. Light, in its different colors and form) is used to treat acne, eczema and psoriasis, sleep related disorders, depression (seasonal or non-seasonal) and it is believed to relieve even pain. Now let’s take a look at a paradox:-the harmful UV light is used to treat psoriasis.

The Expend of UV lighting to treat severe skin conditions is called phototherapy. One of the most severe skin conditions treated with ultra violet light is psoriasis. This is a very common skin Disorder, with many variations from psoriasis vulgaris (which is the most common form) to inverse psodiasis. The illness affects people of all ages, women and men with equal frequency. It is not transmissible; it occurs usually in the second decade of life and might r3main a lifelong companion. The symptoms include irregular fingernail growth, raised and inflamed red lesions on the skin, covered with layers of dead Flay cells and rarely, arthrtis.

There is no cure for the disease, but there are some treatment options that could control the development of the skin lesions. Among them, use of UV lighting devices.

As you already know, UV light is harmful. There are three types of UV light: A, B and C. While UVC doesn’t exist in its pure form in nature (the waves coming from the sun are getting absorbed in the atmosphere) UVB and UVA are present, Nevertheless not in sufficient amounts for people suffering from psoriasis. Overmuch Great quantity of that light and we’ll suffer too, Against UV light might cause skin cancer, premature aging of the skin, cataracts and other problems, including DNA damage.

For the synthesis of vitamin D, we need UV-A, the least harmful of the three, but how does UV light help with psoriasis? Simple: it slows down the production of skin cells, thus helping to reduce inflammation. This is the very reason why overexposure causes skin disorde5s. Therefore, it is clear that UV light therapy should never be practiced in the absence of trained medics. The UVA light therapy method use to treat psoriasis is called PUVA. It combines psoralen and ultraviolet A. It is Cause on almost 85 % of the patients suffering from minor to medium forms of the disease. A nunber of 20-30 minute treatments are needed to start seeing obvious results. Too much UVA light and patients might experience Hostile effects including nausea and burning.

UV-B is used alone or in combination with medicine. On account of example, the most popular form of treatment that employs UV-B is the Goeckerman regimen (UV-B plus coal tar). Other treatments are the Ingram method (which involves applying anthralin after a tar bath and UV-B light therapy) and a combination of UV-B with corticosteroids or other softening creams.

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