نتایج جستجو برای: colorants
تعداد نتایج: 741 فیلتر نتایج به سال:
Tooth whitening has become increasingly popular; according to the American Academy of Cosmetic Dentistry, Americans spend 1.4 billion dollars per year on tooth whitening. There are several approaches including use abrasives for mechanical removal material, colorants, and oxidation chromophores that make stains [1,2].
Organic pigments such as indigos, quinacridones, and phthalocyanines are widely produced industrially as colorants for everyday products as various as cosmetics and printing inks. Herein we introduce a general procedure to transform commercially available insoluble microcrystalline pigment powders into colloidal solutions of variously sized and shaped semiconductor micro- and nanocrystals. The ...
Abstract Natural yellow plant dyes and traditional medicines were used widely on historical papers in ancient China for religious reasons conservation considerations. This study aims to evaluate some botanical sources of that contain different chemical colorant compositions order understand their effects the properties handmade paper. The physical changes paper specimens treated with studied by...
Natural and chemical colorants are attracting a lot of attention as sustainable feed additives due to their effect on food color because presentation matters consumers. Color also is major sensory factor that helps consumers determine quality its possible health benefits. For example, highly colored egg yolks can only come from healthy laying hens fed well-balanced, nutrient-rich diet. Consumer...
8.8 MT of food wastes are annually generated in the EU, part due to lack real-time freshness information provided by current data labels. To address this issue, intelligent packaging strategies being developed. In study, search new natural and grade pH-indicators, color stability variability curcumin (E?100), betanin (E?162), anthocyanin (E?163) containing colorants were studied solution under ...
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