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Showing papers in "Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy in 2018"


Journal ArticleDOI
TL;DR: Carbon dots were used as a non-toxic photoluminescence sensor for detecting of Escherichia coli (E. coli) bacteria and results show quenching of photolumscence of the CDs nanocomposite by increasing amount of E. coli bacteria.

194 citations


Journal ArticleDOI
TL;DR: The potential of SERS for medically relevant detection schemes is emphasized by the label-free detection of tissue, the investigation of body fluids as well as applications for therapeutic and illicit drug monitoring.

138 citations


Journal ArticleDOI
TL;DR: The proposed method, developed in the synthesis of fluorescent carbon dots using pork as carbon source, was successfully applied in the determination of uric acid in human serum and urine samples with satisfactory recoveries, which suggested that the new nanosensors have great prospect toward the detection of urimine in human fluids.

118 citations


Journal ArticleDOI
TL;DR: Depicted outcomes suggest that hemin is supposedly able to influence the physiological functions of BSA and HHb, the most important blood proteins, particularly in case of its overuse.

110 citations


Journal ArticleDOI
TL;DR: A combination of FTIR and Raman spectroscopic approaches is highly informative in non-destructive analysis of structural and compositional properties of biogenic Se NPs.

95 citations


Journal ArticleDOI
Ti Li1, Peng Hu1, Taotao Dai1, Panying Li1, Xiaoqin Ye1, Jun Chen1, Chengmei Liu1 
TL;DR: Findings can provide a deep understanding about the interaction mechanism between flavonoids and protein, and it may be valuable in dairy incorporation with flavonoid.

89 citations


Journal ArticleDOI
TL;DR: This paper aims to review recent progress in optical clearing of the skin and over naturally turbid biological tissues and blood using this technique in vivo and in vitro with multiphoton microscopy, confocal Raman microscopy and NIR spectroscopy, optical coherence tomography, and laser speckle contrast imaging.

88 citations


Journal ArticleDOI
TL;DR: Coupled CdS-CuO nanoparticles (NPs) subjected in the photocatalytic degradation of Methylene blue (MB) aqueous solution showed increased activity with respect to the monocomponent semiconductors.

86 citations


Journal ArticleDOI
Fabing Li1, Zhiwei Men1, Shuo Li1, Shenghan Wang1, Zhanlong Li1, Chenglin Sun1 
TL;DR: Results indicate that ethanol strengthens hydrogen bonds in water and Raman shifts of ethanol reverses when the volume ratio of ethanol and the overall solution is 0.2, which demonstrates that ethanol-water structure undergoes a phase transition.

82 citations


Journal ArticleDOI
TL;DR: It is confirmed that HL1 could be used to detect Al3+ ions in real sample by fluorescence spectrometry and Al3- ions in cells by bioimaging and Density-functional theory calculations are in agreement with the proposed mechanism.

79 citations


Journal ArticleDOI
TL;DR: The specificity of this Surface-enhanced Raman Scattering (SERS) aptasensor was demonstrated by detecting other two mycotoxins and its accuracy for AFB1 detection in real peanut oil was further confirmed by standard addition recovery test.

Journal ArticleDOI
Yuanpeng Li1, Tao Fang1, Siqi Zhu1, Furong Huang1, Zhenqiang Chen1, Yong Wang1 
TL;DR: The results revealed that spectral data after SNV processing are the best for synergy interval partial least square (SiPLS) modeling and forecast and the established model could make effective quantitative analysis on adulteration of waste cooking oil.

Journal ArticleDOI
TL;DR: A variety of new SERS surfaces and novel approaches are presented here on a wide range of forensically relevant topics.

Journal ArticleDOI
TL;DR: The results illustrated that the as-prepared MIP@CDs could be applied to the detection of trace TC in fish samples with rapidity, high sensitivity and accuracy.

Journal ArticleDOI
TL;DR: The interaction between CDs derived from tamarind and calf thymus DNA has been studied by vital spectroscopic techniques, which revealed that the CDs could interact with DNA via intercalation and future development of CDs for microbial control and DNA sensing among the various biomolecules is possible.

Journal ArticleDOI
TL;DR: Fly-ash based geopolymers with different contents of alkali-activator and water were prepared and hydroxysodalite have been identified as a crystalline product of geopolymerization.

Journal ArticleDOI
TL;DR: The rarely reported solvatochromism along-with a high photoluminescence (PL) quantum yield (PLQY) of 22% may open a new avenue of conversion of a bio-waste into a fluorescent bio-asset.

Journal ArticleDOI
TL;DR: The methodology demonstrates the potential of the Vis-NIR as an alternative for determination of CEC, SB, OM, sand and clay, making possible to develop a fast and automatic analytical procedure.

Journal ArticleDOI
Jian Zhu1, Mei-Jin Liu1, Jian-Jun Li1, Xin Li1, Jun-Wu Zhao1 
TL;DR: Experimental results indicate this Raman substrate based on fractal gold nanostars exhibits excellent selective probing performance for thiram with a detection limit as low as 10-10M in solution and 0.24ng/cm2 in apple peels.

Journal ArticleDOI
TL;DR: The proposed procedure was successfully applied to the analysis of real water samples and the maximum sorption capacity of MOF toward thorium was found to be 47.5mg·g-1, and an enrichment factor of 250 was achieved.

Journal ArticleDOI
TL;DR: Raman spectroscopy and imaging combined with AFM topography and mechanical indentation by AFM have been shown to be an effective tool for analysis and discrimination of human brain tumors from normal structures and the high-grade tumors of central nervous system (medulloblastoma) exhibit enhanced level of β-sheet conformation and down-regulated level of α-helix conformation when comparing against normal tissue.

Journal ArticleDOI
TL;DR: The natural dyes anthocyanin and chlorophyll were extracted from Musa acuminata bracts and Alternanthera dentata leaves and applied as sensitizers in TiO2-based dye-sensitized solar cells (DSSCs) to demonstrate photosensitization effects.

Journal ArticleDOI
TL;DR: Changes in the aluminosilicate structure of the material during alkali-activation have been analyzed in detail on the basis of ATR/FT-IR spectra and mainly affect both the integral intensity and FWHM of bands in the range of 1200-950cm-1.

Journal ArticleDOI
TL;DR: Results show that malathion can be specifically identified when the mixed-pesticide interferences existed, and the proposed label-free aptamer SERS sensor is convenient, specifically detects trace malathions residues, and can be applied for qualitative and quantitative analysis of other pesticides.

Journal ArticleDOI
TL;DR: In this paper, rare earth ion Dy3+-doped tellurite glasses were synthesized in the system of (75-x)TeO2-15Sb2O3-10WO3xDy 2O3 (TSWD glasses.

Journal ArticleDOI
TL;DR: This work recognized different polymer flakes from mixed plastic waste through an innovative hierarchical classification strategy based on hyperspectral imaging, with particular reference to low density polyethylene (LDPE) and high-density polyethylenes (HDPE).

Journal ArticleDOI
TL;DR: The optical properties of a novel chemosensor for cyanide anions based on a symmetric bis(salamo)-type ligand (H3L) were investigated by UV-Vis and fluorescence spectroscopy in MeOH/H2O (1:1 v/v) solution.

Journal ArticleDOI
TL;DR: The protein-ligand interaction with Secreted Aspartic Proteinase 2 of C. albicans showed that the four stable forms of CTZ maintain a free energy of binding of 6-7 kcal/mol, which could give insights into the mode of action in treating Candidiasis.

Journal ArticleDOI
TL;DR: The results revealed that the adsorption of the CXB molecule from its NH2 head on the B12N12 is more favorable than those of the SO2 and NH groups in the gas and solvent environments.

Journal ArticleDOI
TL;DR: Pd@Ag nanocatalyst was catalytically stable through four subsequent reaction runs under the utilized reaction conditions and can thus be considered as possible economical alternative for environmental safety against water pollution by dyes.