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Analytica Chimica Acta
IF
5.26
Papers
39330
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#2Jiaming ChenH-Index: 3
Last. Zhenyu LinH-Index: 37
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Abstract In this work, core-satellite assemblies and exonuclease assisted double amplification strategy is developed to produce surface-enhanced Raman scattering (SERS) biosensor towards ultrasensitive detection of biotoxin. In the presence of target molecules, the exonuclease III (Exo III) assisted efficient recycling amplification provides an excellent pathway for the fabrication of core-satellite SERS sensor. Briefly, the proposed strategy includes the following double amplifications: (i) Exo...
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#1Xiaoyu ZhangH-Index: 1
#2Wangbo QuH-Index: 3
Last. Fabiao YuH-Index: 1
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Abstract Hydrogen sulfide (H2S) is an important endogenous gasotransmitter and has been implicated with a variety of biological processes. The development of an efficient method for monitor H2S fluctuations in biological systems is of great significance to understand its roles in physiological and pathological conditions. In this work, two red-emitting fluorescent probes SNARF-SSPy and SNARF-SeSPy for H2S detection with turn-on fluorescence signals were reported. Interestingly, SNARF-SeSPy exhib...
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#1Fang HuH-Index: 2
#2Wancun ZhangH-Index: 2
Last. Yueqing GuH-Index: 31
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Abstract Single nucleotide polymorphisms (SNPs) are crucial during the early diagnosis of a given disease as well as in evaluating their response to certain drugs. Thus, this study sought the development of ferrocene (Fc)-labeled electrochemical biosensor for SNP detection. This proposed system involves the ligation of four short probes (e.g., A, B, A′, and B′, where B′ is labeled with an Fc-tag) in the presence of target DNA via ligase chain reaction (LCR), resulting in the formation of Fc-tagg...
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#1Piliang XiangH-Index: 2
#2Yu YangH-Index: 3
Last. Shaorong LiuH-Index: 24
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Abstract Flow injection chromatography (FIC) or sequential injection chromatography (SIC) is a low-pressure liquid chromatography technique that uses flow injection or sequential injection hardware. Due to the constraints of this hardware, the separation resolution is low; often no more than 3–5 components are resolved. We have recently demonstrated the excellent resolving power of narrow open tubular (OT) columns for various biomolecules, and only moderate elution pressures are needed to carry ...
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Abstract Many industrial enzymes exhibit macro- and micro-heterogeneity due to co-occurring post-translational modifications. The resulting proteoforms may have different activity and stability and, therefore, the characterization of their distributions is of interest in the development and monitoring of enzyme products. Protein glycosylation may play a critical role as it can influence the expression, physical and biochemical properties of an enzyme. We report the use of hydrophilic interaction...
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#1Zahra Rasouli (University of Newcastle)
#2Hamid AbdollahiH-Index: 24
Last. Marcel Maeder (University of Newcastle)H-Index: 38
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Abstract pH indicators can be used both fast responsive as well as long-term stable sensors. They have been extensively used for monitoring pH changes in fast kinetic reactions as well as slowly changing pH in oceanic waters. If the pH range that needs to be covered is narrow it is possible to use only one indicator of appropriate protonation constant; otherwise, mixtures of two or more indicators are used for monitoring pH values covering a broad range of pH. In this paper we presented a new me...
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#1Yameng Han (NKU: Nankai University)H-Index: 1
#2Zhongju Ye (NKU: Nankai University)H-Index: 4
Last. Lehui Xiao (NKU: Nankai University)H-Index: 19
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Abstract Protein glycosylation is an important post-translational modification and glycoproteins are associated with many crucial metabolic progresses of life. In order to detect glycoproteins sensitively, we propose a gold nanoparticles (GNPs) enumeration method based on boronate affinity sandwich system, which is constructed between the boronic acid polymer functionalized magnetic nanoparticles (Fe3O4@MPS@VPBA NPs) and 4-mercaptophenylboronic acid modified GNPs (GNPs-MPBA) by the targeted glyc...
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#1Zhi ZhouH-Index: 2
#2Yanhua ChenH-Index: 11
Last. Zeper AblizH-Index: 28
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Abstract The development of quantitative metabolomics approaches for future standardized and translational applications has become increasingly important. Data-independent targeted quantitative metabolomics (DITQM) is a newly proposed method providing ion pair information on 1324 metabolites. However, the quantification of more than 1000 metabolites in large sample sizes has still not been implemented. In this study, on the basis of the DITQM concept, scheduled multiple reaction monitoring (MRM)...
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#1Ya-Jie ZhangH-Index: 2
Last. Jian-Hua WangH-Index: 39
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Abstract It is still a high challenge to develop a simple, sensitive and portable approach for bioassay in strong scattering medium. Herein, a photoacoustic (PA) device is developed for the detection of alkaline phosphatase (ALP) in serum with silver nanoparticles (AgNPs) as signal probe, without any requirements for expensive equipment, professional operation and pre-processing of real samples. ALP as an important disease marker could catalyze the breakdown of sodium L-ascorbyl-2-phosphate (AAP...
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#2Qin LeiH-Index: 2
Last. He LiH-Index: 4
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Abstract In this work, a multicolor visual immunoassay platform was developed. The photoelectric effects of Ag2S NPs@ZnO NTs made the color changes of PANI/PB, which enabled visual inspection of CEA. Under the visible light excitation, Ag2S NPs@ZnO NTs generates electron-holes. Where, photoelectrons will pass electrical circuit to PB and photoinduced holes will oxidize PANI, which making the PANI/PB composite changes from emerald green-blue-purple-black colors. When CEA was incubated, the migrat...
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Top fields of study
Analytical chemistry
Detection limit
Inorganic chemistry
Chemistry
Chromatography