D

Fig. 1. Electron microscope images of (A) CdS aerogels and (B) CdSe aerogels, illustrating the colloidal nature of the aerogel aggregates. The presence of mesopores (2 to 50 nm) can be clearly seen. (C) A high-magnification image of a CdS aerogel heated in vacuo at 100°C, illustrating the crystalline nature of the nanoparticle architecture. The lattice fringe separation is 2.5 A, corresponding to the (102) reflection of hexagonal CdS. (D) A photograph provides a comparison of a wet CdS gel (center) with an unwashed CdS xerogel (left) and a monolithic CdS aerogel (right). In contrast to xerogel formation, minimal volume loss is observed in the conversion of wet gels to aerogels. The scale is in millimeters.

Supplements For Diabetics

Supplements For Diabetics

All you need is a proper diet of fresh fruits and vegetables and get plenty of exercise and you'll be fine. Ever heard those words from your doctor? If that's all heshe recommends then you're missing out an important ingredient for health that he's not telling you. Fact is that you can adhere to the strictest diet, watch everything you eat and get the exercise of amarathon runner and still come down with diabetic complications. Diet, exercise and standard drug treatments simply aren't enough to help keep your diabetes under control.

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