73 Result(s)
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Article
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Chemistry
Characterization and Evaluation of Materials
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Article
Molecularly imprinted fluorescence assay based on lead halide perovskite quantum dots for determination of benzo(a)pyrene
Molecularly imprinted polymers with methylammonium lead halide perovskite quantum dots (MIP@MAPbBr3 PQDs) have been prepared and applied to the determination of benzo(a)pyrene (BaP) for the first time. The photo...
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Semi-quantitatively Predicting the Residence Time of Three Natural Products on Endothelin Receptor A by Peak Profiling Using the Receptor Functionalized Macroporous Silica Gel as Stationary Phase
Drug–receptor interaction analysis has been broadly adopted as a tool for the evaluation of the drug-like property. Nowadays, growing evidence has demonstrated that drug efficacy and safety are highly related ...
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Molecular structure and spectroscopic properties of two radicals of C4H2N: a DFT study
The cyano propargyl radical (CH2C3N and HC3HCN) is important reaction intermediate in both combustion flames and extraterrestrial environments such as cold molecular clouds and circumstellar envelopes of carbon ...
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Freestanding MnO2 composite electrode via an in situ growth method for asymmetric sodium-ion capacitor and hybrid capacitive electrodialysis
As a potential energy storage material, Mn-based electrodes have attracted widespread attention in both supercapacitor and capacitive deionization systems. Herein, a freestanding δ-MnO2@rGO/CC composite film is p...
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Spectroscopic constants and anharmonic force field of dithioformic acid and its isomers: a theoretical study
The potential astronomical interest dithioformic acid (trans-HC(= S)SH) exists five isomers and has received considerable attention of astronomical observation in recent years. The different positions of H atoms ...
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Stability of a calibrant as certified reference material for determination of trans-zearalenone by high performance liquid chromatography-diode array detection-triple quadrupole tandem mass spectrometry
In this study, a trans-zearalenone (trans-ZEN) calibrant in acetonitrile as certified reference material (CRM) was prepared and intensively investigated the stability by high performance liquid chromatography ...
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The mechanical hybrid of V2O5 microspheres/graphene as an excellent cathode for lithium-ion batteries
Currently, lithium-ion batteries are widely used in many areas, but they are still limited by the lower cycle stability and energy density. The development of low-cost, environmentally friendly, high-performan...
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Correction to: Quantification and toxicokinetics of paraquat in mouse plasma and lung tissues by internal standard surface enhanced Raman spectroscopy
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Quantification and toxicokinetics of paraquat in mouse plasma and lung tissues by internal standard surface-enhanced Raman spectroscopy
Paraquat is a quaternary ammonium herbicide with an excellent herbicidal effect but is highly toxic to human and animals. Although prohibited by many countries, paraquat intoxication occurred occasionally and ...
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Development of single- and multiplex immunoassays for rapid detection and quantitation of amodiaquine in ACT drugs and rat serum
Amodiaquine (AQ) is a commonly used antimalarial drug, and N-desethyl-AQ (N-DEAQ) is an active metabolite of AQ. Given the significance of drug quality in the management of malaria cases, this study aims to devel...
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Preparation of yellow-emitting carbon dots and their bifunctional detection of tetracyclines and Al3+ in food and living cells
A novel bifunctional carbon dot (CD)–based sensing platform was constructed for detection of tetracyclines (TCs) and Al3+. The fluorescence CDs were fabricated by hydrothermal method using phenylenediamine (p-PD)...
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Development of a novel ssDNA aptamer targeting cardiac troponin I and its clinical applications
Cardiac troponin I (cTnI) is a specific biomarker of acute myocardial infarction (AMI). However, cTnI detection kits prepared with antibodies have many defects. Nucleic acid aptamers are sequences of single-st...
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Thermal, mechanical and degradation properties of flexible poly (1,3-trimethylene carbonate)/poly (L-lactide-co-ε-caprolactone) blends
The material used for soft tissue should be flexible and elastic. Poly (1,3-trimethylene carbonate) (PTMC) and poly (L-lactide-co-ε-caprolactone) (PLCL) were flexible and elastic bioabsorbable polymers. PLCL o...
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Article
N, Cl-doped carbon dots for fluorescence and colorimetric dual-mode detection of water in tetrahydrofuran and development of a paper-based sensor
N, Cl-doped carbon dots (N, Cl-CDs) were prepared by hydrothermal method from rhodamine B (RhB) and ethylenediamine (EDA). The resulting N, Cl-CDs exhibited fascinating solvent dependence and strict excitation...
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Article
Determination of nitric oxide using light-emitting diode–based colorimeter with tubular porous polypropylene membrane cuvette
On the basis of the Griess-Saltzman (GS) reaction, an optical device for nitric oxide (NO) detection in exhaled breath and atmosphere was developed by employing the light-emitting diode (LED, 560 nm) as the li...
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A highly sensitive dual-read assay using nitrogen-doped carbon dots for the quantitation of uric acid in human serum and urine samples
A simple dual-read assay for uric acid (UA) was developed based on a combined ratiometric fluorescent and colorimetric strategy using nitrogen-doped carbon dots (N-CDs). The biosensor relies on the oxidation o...
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Preparation of new hydrophobic deep eutectic solvents and their application in dispersive liquid–liquid microextraction of Sudan dyes from food samples
In this work, a new generation of hydrophobic deep eutectic solvents (DESs) was prepared using eugenol (as hydrogen bond donor) and benzyltriethylammonium bromide, benzyltributylammonium bromide, benzyltriethy...
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Nitrogen-doped carbon dots for wash-free imaging of nucleolus orientation
Carbon dots (CDs) are a rising star in the field of cellular imaging, especially cytoplasmic imaging, attributing to the super-stable optical performance and ultra-low biological toxicity. Nucleolus can accura...
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Effect of poly(lactic-co-glycolic acid) blend ratios on the hydrolytic degradation of poly(para-dioxanone)
The poly(para-dioxanone) (PPDO) was blended with various contents of poly(lactic-co-glycolic acid) (PLGA) (10wt%, 20wt%, 30wt%) by solution co-precipitation in this study. The advantage of PLGA is derived from it...
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Development of a nanobody-based ELISA for the detection of the insecticides cyantraniliprole and chlorantraniliprole in soil and the vegetable bok choy
Cyantraniliprole and chlorantraniliprole are anthranilic diamide insecticides acting on ryanodine receptors. In this study, two camel-derived nanobodies (Nbs, named C1 and C2) recognizing cyantraniliprole as w...
