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2020 Volume 48 Issue 10
2020, 48(10): 1279-1287
doi: 10.19756/j.issn.0253-3820.201259
Abstract:
The new coronavirus SARS-CoV-2 has spread to the whole world, seriously threatening human life and disrupting people's lives. SARS-CoV-2 is a highly infectious virus with a long incubation period, encompassing asymptomatic infections. Therefore, accu...
The new coronavirus SARS-CoV-2 has spread to the whole world, seriously threatening human life and disrupting people's lives. SARS-CoV-2 is a highly infectious virus with a long incubation period, encompassing asymptomatic infections. Therefore, accu...
2020, 48(10): 1288-1295
doi: 10.19756/j.issn.0253-3820.201005
Abstract:
As a novel class of luminescent nanomaterials, carbon quantum dots (CQDs) have attracted considerable interest in the field of food safety due to their high bright luminescence, low toxicity and good biocompatibility. This paper introduced the fluore...
As a novel class of luminescent nanomaterials, carbon quantum dots (CQDs) have attracted considerable interest in the field of food safety due to their high bright luminescence, low toxicity and good biocompatibility. This paper introduced the fluore...
A Novel Laser Ablation Chamber for Microwave Plasma Atomic Emission Spectrometry and Its Application
2020, 48(10): 1296-1304
doi: 10.19756/j.issn.0253-3820.201238
Abstract:
Microwave plasma torch atomic emission spectrometry (MPT-AES) is a widely used element detection method. However, MPT-AES requires complex digestion and desolvation treatment when detecting solid samples. After many improvements, a new Z-shaped laser...
Microwave plasma torch atomic emission spectrometry (MPT-AES) is a widely used element detection method. However, MPT-AES requires complex digestion and desolvation treatment when detecting solid samples. After many improvements, a new Z-shaped laser...
2020, 48(10): 1305-1314
doi: 10.19756/j.issn.0253-3820.201443
Abstract:
Urinary extracellular vesicles (uEVs) are a rising star in liquid biopsies and have shown great potential in disease diagnosis and treatment monitoring. However, knowledge about the size distribution, particle concentration and biochemical phenotype ...
Urinary extracellular vesicles (uEVs) are a rising star in liquid biopsies and have shown great potential in disease diagnosis and treatment monitoring. However, knowledge about the size distribution, particle concentration and biochemical phenotype ...
2020, 48(10): 1315-1324
doi: 10.19756/j.issn.0253-3820.201263
Abstract:
A custom membrane extraction electrospray ionization mass spectrometry (MEESI-MS) method was developed to detect the representative bacteric metabolites and classify four kinds of bacteria including Escherichia coli, Staphylococcus aureus, Klebsiella...
A custom membrane extraction electrospray ionization mass spectrometry (MEESI-MS) method was developed to detect the representative bacteric metabolites and classify four kinds of bacteria including Escherichia coli, Staphylococcus aureus, Klebsiella...
2020, 48(10): 1325-1333
doi: 10.19756/j.issn.0253-3820.201295
Abstract:
A highly sensitive and label-free fluorescence carcinoembryonic antigen (CEA) biosensor was developed via target-triggered enzymatic recycling amplification reaction. In this strategy, aggregation induced emission fluorogen (AIEgen) TPE-M was chosen ...
A highly sensitive and label-free fluorescence carcinoembryonic antigen (CEA) biosensor was developed via target-triggered enzymatic recycling amplification reaction. In this strategy, aggregation induced emission fluorogen (AIEgen) TPE-M was chosen ...
2020, 48(10): 1334-1342
doi: 10.19756/j.issn.0253-3820.201220
Abstract:
Protein glycosylation of human urine exosome can reflect important biological information, which promotes a large-scale identification for the study of urine exosome glycoproteome. In this work, a two step enrichment method based on extracellular ves...
Protein glycosylation of human urine exosome can reflect important biological information, which promotes a large-scale identification for the study of urine exosome glycoproteome. In this work, a two step enrichment method based on extracellular ves...
2020, 48(10): 1343-1350
doi: 10.19756/j.issn.0253-3820.201137
Abstract:
A method for analysis of various biotoxins and biological modifiers based on electrospray ionization-ion mobility spectrometry (ESI-IMS) and Raman spectroscopy was established. A database of 26 kinds of white powders, including alkaloids such as acon...
A method for analysis of various biotoxins and biological modifiers based on electrospray ionization-ion mobility spectrometry (ESI-IMS) and Raman spectroscopy was established. A database of 26 kinds of white powders, including alkaloids such as acon...
2020, 48(10): 1351-1358
doi: 10.19756/j.issn.0253-3820.201373
Abstract:
Advanced renal cancer is not sensitive to chemotherapy or radiotherapy, and its effective treatment is very limited. At present, the recognition of specific and effective molecular targets for advanced renal cancer is far from enough. In this work, 2...
Advanced renal cancer is not sensitive to chemotherapy or radiotherapy, and its effective treatment is very limited. At present, the recognition of specific and effective molecular targets for advanced renal cancer is far from enough. In this work, 2...
2020, 48(10): 1359-1366
doi: 10.19756/j.issn.0253-3820.201270
Abstract:
A fluorescence imaging protocol was developed for the quantification analysis of intracellular glutathione-copper nanoparticles (GSH-CuNPs). After culturing MCF-7 cells with near infrared luminescent GSH-CuNPs, the fluorescence imaging of intracellul...
A fluorescence imaging protocol was developed for the quantification analysis of intracellular glutathione-copper nanoparticles (GSH-CuNPs). After culturing MCF-7 cells with near infrared luminescent GSH-CuNPs, the fluorescence imaging of intracellul...
2020, 48(10): 1367-1374
doi: 10.19756/j.issn.0253-3820.201148
Abstract:
The conformation of glutathione is of great significance for its biological function. In this study, the absorption spectra of reduced (GSH) and oxidized (GSSG) glutathione in the frequency range of 0.5-12 THz were obtained by the air plasma terahert...
The conformation of glutathione is of great significance for its biological function. In this study, the absorption spectra of reduced (GSH) and oxidized (GSSG) glutathione in the frequency range of 0.5-12 THz were obtained by the air plasma terahert...
2020, 48(10): 1375-1382
doi: 10.19756/j.issn.0253-3820.201317
Abstract:
The novel core-shell magnetic imprinted polymers (MIPs-E2) were prepared for selective adsorption of estradiol (E2) by template immobilization strategy, in which aniline (AN), ammonium persulfate (APS), E2 and carboxyl-modified Fe3O4 magnetic nanopar...
The novel core-shell magnetic imprinted polymers (MIPs-E2) were prepared for selective adsorption of estradiol (E2) by template immobilization strategy, in which aniline (AN), ammonium persulfate (APS), E2 and carboxyl-modified Fe3O4 magnetic nanopar...
2020, 48(10): 1383-1391
doi: 10.19756/j.issn.0253-3820.201281
Abstract:
Juglone (Jug) is one of the main active substances in the folk anti-cancer prescription walnut green husk and there are few reports on its interaction with protein and its mechanism of action. Here, the interaction mechanism between Jug and human ser...
Juglone (Jug) is one of the main active substances in the folk anti-cancer prescription walnut green husk and there are few reports on its interaction with protein and its mechanism of action. Here, the interaction mechanism between Jug and human ser...
2020, 48(10): 1392-1399
doi: 10.19756/j.issn.0253-3820.201359
Abstract:
The Fe3O4@COF with core-shell structures was synthesized and used as sorbent in magnetic solid-phase extraction (MSPE). This Fe3O4@COF-MSPE method coupled with high-performance liquid chromatography-ultraviolet detector (HPLC-UV) was employed for sim...
The Fe3O4@COF with core-shell structures was synthesized and used as sorbent in magnetic solid-phase extraction (MSPE). This Fe3O4@COF-MSPE method coupled with high-performance liquid chromatography-ultraviolet detector (HPLC-UV) was employed for sim...
2020, 48(10): 1400-1408
doi: 10.19756/j.issn.0253-3820.191565
Abstract:
An efficient and rapid method for qualitative and quantitative determination of ferulic acid, gallic acid, p-coumaric acid, syringic acid and (+)-catechin hydrate in baijiu by solid phase extraction-high performance liquid chromatography (SPE-HPLC) w...
An efficient and rapid method for qualitative and quantitative determination of ferulic acid, gallic acid, p-coumaric acid, syringic acid and (+)-catechin hydrate in baijiu by solid phase extraction-high performance liquid chromatography (SPE-HPLC) w...
2020, 48(10): 1409-1415
doi: 10.19756/j.issn.0253-3820.201260
Abstract:
Ochratoxin A (OTA) is one kind of mycotoxin, which is toxic and widely distributed. To avoid the poison of OTA, it is necessary to develop a rapid, low-cost and highly sensitive detection method to evaluate the concentration of OTA in the food. Here,...
Ochratoxin A (OTA) is one kind of mycotoxin, which is toxic and widely distributed. To avoid the poison of OTA, it is necessary to develop a rapid, low-cost and highly sensitive detection method to evaluate the concentration of OTA in the food. Here,...
2020, 48(10): 1416-1421
doi: 10.19756/j.issn.0253-3820.201146
Abstract:
The low temperature plasma (LTP) probe which can be used to quickly detect solid, liquid and gaseous samples has the characteristics of simple, fast and accurate, and easy to miniaturize. It has become a hot spot in the field of rapid detection of ch...
The low temperature plasma (LTP) probe which can be used to quickly detect solid, liquid and gaseous samples has the characteristics of simple, fast and accurate, and easy to miniaturize. It has become a hot spot in the field of rapid detection of ch...
2020, 48(10): 1422-1427
doi: 10.19756/j.issn.0253-3820.201158
Abstract:
Analysis of big data is hot topic for exploring the contained values, however, the development of the analytical methods are still a challenging task due to the complexity in structure and variety. In this work, a method for pre-processing and modeli...
Analysis of big data is hot topic for exploring the contained values, however, the development of the analytical methods are still a challenging task due to the complexity in structure and variety. In this work, a method for pre-processing and modeli...
2020, 48(10): 1428-1433
doi: 10.19756/j.issn.0253-3820.201192
Abstract:
Regarding tandem mass spectrometry (MS/MS), the theory of the transition from precursor ion to product ion is actually chemical bond dissociation in gas phase resulted from the collision between ions and collision gas molecules with high energy. It i...
Regarding tandem mass spectrometry (MS/MS), the theory of the transition from precursor ion to product ion is actually chemical bond dissociation in gas phase resulted from the collision between ions and collision gas molecules with high energy. It i...
