This paper summarizes the changing states of the food resources in the Yellow Sea Large Marine Ecosystem under multiple stressors from 1958 to 2015, including the changing states of biomass yields, species composition, trophic level and biodiversity. The results show that the changing trends wer...
Since the 21st century, the natural runoff from the headwater region of the Yellow River has generally been decreasing, resulting in a particularly prominent contradiction in utilization of water resources. In this study, key components were identified from the perspective of water-energy-food (...
Utilizing food additives at their optimized concentration is believed to be relatively safe, but their combinatorial effects remain largely unexplored. The influence of mixed food additives on the macromolecules may be altered by synergistic or antagonistic effects. It is previously shown that c...
Estuarine food webs can be supported by local benthic or pelagic primary producers and by the import of organic matter. Until now, studies precisely quantifying the main energy sources in estuarine food webs have been limited for diverse species. The main pathway by which primary nutrients and e...
Solid solutions of Ni in MgTiO3 ilmenite (geikielite) were investigated as potential yellowish ceramic pigments or dyes. Ni-geikielite samples (Mg1−xNixTiO3, x = 0–0.4) were prepared by solid-state and citrate-gel routes and fired pigments were characterized by XRD, SEM/EDX, UV–vis–NIR and co...
The fading of organic dyes is a serious challenge for conservation of art works. Inspired by the ancient Maya blue pigment, a hybrid pigment of halloysite (Hal) and alizarin (AZ) was prepared by adsorption in aqueous solution. In addition, a layer of polyorganosilane (POS) is used to cover the s...
The nanoencapsulation of carotenoids is presented as a positive alternative to broaden the application of these pigments in the food industry. In this study, we investigated the use of yellow passion fruit albedo flour as an encapsulating material for the production of nanodispersions of caroten...
Naturally colored silks are not durable and apt to fade during fabric processing and home laundering due to the unstable pigment composition and the accumulation of pigment in the surface sericin layer. In this study, the pigment of naturally yellow-colored silk was isolated, characterized and q...
To investigate fluorescence mechanism of Pigment Yellow 101 (P. Y. 101) in solid state, three aromatic aldehyde azines (1–3) including P. Y. 101 have been synthesized and compared with each other. Results indicated that P. Y. 101 prepared by solvothermal method is actually the mixture of two po...
CI Pigment Yellow 97 is one of the most important industrial Hansa yellow monoazo pigments because of its superior technical performance in application. Crystals of this pigment are triclinic. The molecule adopts the ketohydrazone form in its crystal structure and there is strong intramolecular ...
Yellow Bi2O3/BaCO3 complex pigments were prepared by thermolysis of precursors from the precipitation of Bi2O2CO3 on BaCO3 particles at low temperature between 350 and 410 °C. The synthesized powders were analyzed by colorimetry, UV-Vis-NIR spectroscopy, X-ray diffraction, and scanning electron...
The photocycle of the photoactive yellow protein (PYP) isolated from Ectothiorhodospira halophila was analyzed by flash photolysis with absorption detection at low excitation photon densities and by temperature-dependent laser-induced optoacoustic spectroscopy (LIOAS). The quantum yield for the ...
The synthesis of racemic Δ12,14-15-deoxy-PG-J1 is readily achieved in six steps employing as the key transformation a one-pot conjugate addition–Peterson olefination sequence using exo-2-trimethylsilyl-3a,4,7,7a-tetrahydro-4,7-methanoinden-1-one. Additionally a Noyori-type three-component coup...
Few studies have reported the use of supercritical fluids as solvents in dyeing of textile fibers. Studies on synthesis of new dyestuff that can be used in this technique and their solubility in the supercritical fluid are attracting increasing attention. In this study, wool fibers were dyed wit...
C.I. Mordant Black 8 produced reddish-brown dyeings on wool of good light fastness, moderate rub fastness but poor fastness to washing at 40 °C. Subsequent afterchroming with Na2Cr2O7 provided deep, black dyeings of much improved fastness. The substitution of Na2Cr2O7 with FeSO4 also improved t...
Four novel fluorescent whitening agents based on 4-methyl-2H,5H-pyrano derivatives of 2H-pyrido[1,2-a]pyrimidine-2,4(3H)-dione were synthesized using a simple two step route. The structures were characterized by spectroscopy techniques such as, 1H, 13C NMR, and HRMS. Photophysical properties in ...
Phenylethyl resorcinol (PER, 4-(1-phenylethyl)1,3-benzenediol) is a very potent tyrosinase inhibitor with clinically proven effectiveness at already 0.5%. A major challenge of incorporating PER into dermal products is its high sensitivity against light. Previously, by incorporating PER in nanost...
Fluorescent nuclear track detectors (FNTD) based on LiF crystals were used for imaging ionizing particle tracks (including high-energy iron ions), by exploiting photoluminescence of radiation induced F2 and F3+ color centers. The relation between photoluminescence emission spectrum of LiF and qu...
Various triazine-stilbene fluorescent brighteners that were substituted with four different amine derivatives including a phenolic antioxidant on 4,4′-bistriazine moieties were synthesized. The obtained compounds (6a–m) were characterized by the analysis of proton NMR spectrum and confirmed by...
A series of fluorescent brightening agents containing pyrazolyl or triazolyl groups were synthesized in this work and their structures were confirmed by IR, 1H NMR and 13C NMR determination. UV absorption spectrometry was employed to investigate the process of photoisomerizations of some stilben...
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