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dyes, etc ; adsorption; biocomposites; chloroquine; equations; graphene oxide; hydrogels; research; Show all 8 Subjects
Abstract:
... In this work, Chloroquine diphosphate, and the cationic dye Safranin-O were selectively removed from water using the agar-graphene oxide (A-GO) hydrogel, produced via simple one-step jellification process. The morphology of the A-GO biocomposite was characterized and batch experiments were performed, with adsorption isotherms satisfactorily fitting (R² > 0.98) Sips (Safranin-O) and Freundlich (Chl ...
fluorescent dyes, etc ; biomarkers; color; cytotoxicity; droplets; early diagnosis; fluorescence; lipids; neoplasms; Show all 9 Subjects
Abstract:
... Accurate differentiation of tumor cells from normal cells is a fundamental and critical challenge for the early diagnosis of cancer. The intrinsic low-polarity and increased numbers of lipid droplets can be utilized as potential biomarkers for tumor cells. Therefore, we synthesized and screened the polar fluorescent probe (PI-CHO), which exhibiting notable fluorescence color change and spectral sh ...
dyes, etc ; catalytic activity; energy; polydimethylsiloxane; reactive oxygen species; remediation; rhodamines; vibration; wastewater; Show all 9 Subjects
Abstract:
... Piezoelectricity as a physical property has received great attention due to its excellently functional applications, especially in piezoelectric catalysis and mechanical energy harvesting. To take full advantage of the functions of piezoelectric materials, (K₀.₅Na₀.₅)₀.₉₄Li₀.₀₆NbO₃ (KNN6L) piezoelectric powders were compounded with polydimethylsiloxane (PDMS) in this work. The developed KNN6L-PDMS ...
fluorescent dyes, etc ; DNA; biodegradability; detection limit; flow cytometry; fluorescence; nanorods; neoplasms; oligonucleotides; Show all 9 Subjects
Abstract:
... Despite the progress on the analysis of proteins either in vitro or in vivo, detection and imaging of low-abundance proteins in living cells still remains challenging. Herein, a novel biodegradable and cofactor self-sufficient DNAzyme nanoprobe has been deve-loped for catalytic imaging of protein in living cells with signal amplification capacity. This DNAzyme nanoprobe is constructed by assemblin ...
dyes, etc ; adsorption; electrocoagulation; electrolysis; heavy metals; industry; methyl orange; nickel; polymers; spectroscopy; wastewater; China; Show all 12 Subjects
Abstract:
... Electrocoagulation (EC) has been widely used to treat the heavy metal wastewater in industry. A novel process of sinusoidal alternating current electrocoagulation (SACC) is adopted to remove Ni²⁺ in wastewater in this study. The morphology of precipitates and the distribution of the main functional iron configurations were investigated. Ferron timed complex spectroscopy can identify the monomeric ...
fluorescent dyes, etc ; carcinogenicity; color; detection limit; fluorescence; food additives; food chemistry; nitrites; pH; solvents; Show all 10 Subjects
Abstract:
... Nitrite is a widely used food additive that has been shown to be carcinogenic and can cause health damage when consumed in excess. Therefore, developing a detection method is in demand. Here, we prepared a novel Fe-doped carbon dots (Fe-CDs) using metallic deep eutectic solvent (MDES) which showed high sensitivity and selectivity. Besides, it also showed excellent pH-dependent luminescence charact ...
fluorescent dyes, etc ; biocompatibility; colorimetry; detection limit; drugs; epithelial cells; fluorescence; oxidation; palladium; soil; water pollution; wavelengths; Show all 12 Subjects
Abstract:
... Extensive use of palladium in many catalysts and catalytic converters causes a high degree of pollution of water and soil resources. Therefore, there is an urgent need to develop rapid and sensitive palladium probes. Herein, a novel “turn-on” near-infrared (NIR) fluorescence and colorimetric probe for Pd has been designed on the basis of the deallylation of the probe, followed by the release of NI ...
... Photocatalytic technology is widely explored as a promising alternative for water treatments. However, low photocatalytic efficiency and selectivity usually limit its practical application. Herein, we develop the synthesis of two-dimensional zinc oxide (ZnO) nanosheets decorated with copper (Cu)-palladium (Pd) bimetallic nanoparticles (NPs) for the degradation of organic dyes in an aqueous solutio ...
dyes, etc ; chromium; decontamination; electron paramagnetic resonance spectroscopy; irradiation; light emitting diodes; pH; sulfamethoxazole; ultraviolet radiation; wastewater; wavelengths; Show all 11 Subjects
Abstract:
... Hexavalent chromium (Cr(VI)) was activated by ultraviolet-A light-emitting diode (UVA-LED), resulting in efficient removal of various pollutants, including dye, pharmaceuticals, and pesticides, with pseudo-first-order rate constants of 0.0610–0.159 min⁻¹. Comparatively, UVA-LED or Cr(VI) alone barely degraded selected pollutants. Both HO• and Cr(V) were produced in the UVA-LED/Cr(VI) system based ...
fluorescent dyes, etc ; aggregation behavior; anisotropy; aqueous solutions; aspartic acid; clay; energy transfer; laponite; ligands; nanoparticles; semiconductors; water content; Show all 12 Subjects
Abstract:
... The control over intermolecular interactions between chromophores at nanomaterial interfaces is important for sensing and light-harvesting applications. To that aim, inorganic nanoparticles with anisotropic shape and surface chemistry can serve as useful supports for organic modification. Herein, novel asymmetric perylene diimides with aspartic acid and oleyl terminal groups were grafted to the ed ...
fluorescent dyes, etc ; biomarkers; capillary zone electrophoresis; chemical species; echocardiography; heart failure; natriuretic peptides; signal-to-noise ratio; spectroscopy; Show all 9 Subjects
Abstract:
... Nonlinear laser wave-mixing spectroscopy is demonstrated as a fast and sensitive detection method for heart-failure biomarkers, pro-atrial natriuretic peptide (proANP) and brain natriuretic peptide (BNP). Wave mixing is an ultrasensitive optical absorption-based method and analytes can be detected in their native form or labeled with fluorophore and chromophore labels. In this study, we utilized C ...
... l-Cysteine (Cys) plays a vital part in the food industry and biological processes. Herein, a novel ratiometric fluorescent probe NFA with aggregation-induced emission (AIE) property was developed to discriminate Cys from Hcy and GSH. The probe showed a ratiometric fluorescence response to Cys with the emission wavelength shifted from 450 nm to 495 nm. Probe NFA possessed good advantages in the det ...
fluorescent dyes, etc ; Escherichia coli; carbon; centrifugation; citric acid; detection limit; fluorescence; hot water treatment; lipopolysaccharides; pH; peptides; signal-to-noise ratio; ultrafiltration; urea; Show all 14 Subjects
Abstract:
... This study fabricated yellow-emitting CDs (Y-CDs) by hydrothermal treatment of citric acid and urea and applied them as a fluorescence turn-on platform for sensitive and selective detection of lipopolysaccharide (LPS) based on the non-shifted AIEE of peptide-stabilized CD aggregates. The designed peptide (named K3) consisting of aggregation-active and LPS-recognition units triggered the aggregatio ...
dyes, etc ; Raman spectroscopy; agarose; animals; aptasensors; calorimetry; circular dichroism spectroscopy; colorimetry; dissociation; human health; levamisole; ligands; milk; nanosheets; oligonucleotides; streptavidin; titration; veterinary drugs; Show all 18 Subjects
Abstract:
... Levamisole (LEV) is a veterinary drug that often remains in animal food. Consuming products containing high levels of LEV will cause a series of harmful reactions to human health. This work describes the Capture-SELEX (Capture-systematic evolution of ligands by exponential enrichment) screening strategy of LEV aptamers, using streptavidin modified agarose beads as a solid phase medium to separate ...
azo dyes, etc ; Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; catalysts; electron paramagnetic resonance spectroscopy; energy-dispersive X-ray analysis; hot water treatment; hybrids; magnetism; mass spectrometry; pH; pollution; reaction mechanisms; temperature; thermogravimetry; wastewater; China; Show all 18 Subjects
Abstract:
... Wastewater containing an azo dye Orange G (OG) causes massive environmental pollution, thus it is critical to develop a highly effective, environmental-friendly, and reusable catalyst in peroxymonosulfate (PMS) activation for OG degradation. In this work, we successfully applied a magnetic MnFe₂O₄/α-MnO₂ hybrid fabricated by a simple hydrothermal method for OG removal in water. The characteristics ...
... Concentration of pure membrane proteins in detergent solution results in detergent concentration, albeit in unknown amounts. This phenomenon is observed in every lab working on membrane proteins, but has seldom been investigated. In this study, we explored the behavior of detergents mixed with membrane proteins during the step of sample concentration using centrifugal devices. We show that deterge ...
... The kinetic assembly pathways of a newly synthesized amphiphilic aza-BODIPY dye 1 were tuned by using H₂O as a co-solvent in MeOH. Accordingly, the biphasic aggregation pathways resulting in kinetically-trapped and thermodynamically stable aggregates of 1 were established and the multiple cyclic seeded living supramolecular polymerization of this dye was realized. ...
... Near-infrared (NIR)-emitting molecules are promising candidates for biological sensing and imaging applications; however, many NIR dyes are large conjugated systems which frequently have issues with stability, solubility, and tunability. Here, we report a novel class of compact and tunable fluorescent diradicaloid complexes which are air-, water-, light-, and temperature-stable. These properties a ...
... To develop efficient dye-sensitized solar cells (DSSCs), concerted companion (CC) dyes XW60–XW63 constructed from the covalent linkage of a strapped porphyrin dye unit and an organic dye unit have been reported to exhibit panchromatic absorption and excellent photovoltaic performance. However, these CC dyes only afforded moderate VOC values of ca. 763 mV, demonstrating relatively weak antiaggregat ...
... An original approach has been developed for the insertion of formyl substituents at positions 2 and 5 of 1,4-dihydropyrrolo[3,2-b]pyrroles by conversion of thiazol-2-yl substituents. The synthetic utility of these formyl groups was investigated, and a series of centrosymmetric A−π–D−π–A frameworks were constructed. The two-photon absorption of the quadrupolar pyrrolo[3,2-b]pyrrole possessing two d ...