Determining the degree to which variation in traits is controlled by genetics and/or environment is fundamental to understanding adaptation. In this study, we examine the genetic and environmental influences on color pattern expression in male bluefin killifish, Lucania goodei. This is a compelling system because both male color patterns and vision physiology are correlated with basic propertie...

in this work, we report synthesis and characterization of bi2o3 nanoparticles loaded on mesoporous mcm-41 nanoparticles by a simple solid-state dispersion (ssd) method. monoclinic bismuth oxide nanoparticles were prepared by polyacrylamide gel method and used as loading materials on the prepared mesoporous mcm-41 as a supporting material. fourier transform infrared spectroscopy (ft-ir), x-ray p...

zinc oxide (zno) nanopowders were synthesized by the sol–gel method from an ethanol solution of zinc sulfate heptahydrate in the presence of diethylene glycol surfactant. detailed structural and microstructural investigations were carried out using x-ray diffraction (xrd), high-resolution transmission electron microscopy (hrtem), field emission scanning electron microscopy (fe-sem), fourier tra...

molecular sieves mcm-41 were synthesized from rice husk ash (rha) as alternative sources of silica. the material was synthesized by a room temperature method from a gel with the molar composition sio2: 1.6ea: 0.215hdtmabr: 325h2o with ph correction. the cetyltrimethylammonium bromide (ctmabr) was used as a structure template. nanocomposite containing 5.0 and 10.0 wt.% of cu was synthesized unde...

OBJECTIVE To assess the extent to which UV-A and UV-B radiation can penetrate the human fingernail plate. DESIGN The Dermalite UV light machine (National Biological, Beachwood, Ohio) was used as the source of UV radiation. The amount of UV-A and UV-B penetrating the nail plate was measured using a radiometer and compared with a control. SETTING Academic phototherapy clinic. PATIENTS Ten c...

Skin cancer incidence in Croatia is steadily increasing in spite of public and governmental permanently measurements. It is clear that will soon become a major public health problem. The primary cause of skin cancer is believed to be a long exposure to solar ultraviolet (UV) radiation. The future designers of UV protective materials should be able to block totally the ultraviolet radiation. The...

We report on the demonstration of GaN-based ultraviolet light-emitting diodes (UV LEDs) emitting at 375 nm grown on patterned sapphire substrate (PSS) with in-situ low temperature GaN/AlGaN nucleation layers (NLs) and ex-situ sputtered AlN NL. The threading dislocation (TD) densities in GaN-based UV LEDs with GaN/AlGaN/sputtered AlN NLs were determined by high-resolution X-ray diffraction (XRD)...

Sunlight is essential for humans. However, sunlight can be the source of several disadvantageous effects and illnesses, e.g., skin aging, sunburn, cancer. Textiles with functional protective counteract these problems. In current research, knitted fabrics were produced from Lyocell yarns spin-doped inorganic UV absorber titanium dioxide TiO2. without TiO2 used as reference materials. The dyed di...