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2019 Volume 47 Issue 9
2019, 47(9): 1283-1292
doi: 10.19756/j.issn.0253-3820.191270
Abstract:
Glycoprotein is a binding protein whose structure is mainly determined by the content of sugars and proteins and the peptide bonds to which it binds. The glycoproteins can be mainly classified into lectin, hormone, enzyme and immunoglobulin according...
Glycoprotein is a binding protein whose structure is mainly determined by the content of sugars and proteins and the peptide bonds to which it binds. The glycoproteins can be mainly classified into lectin, hormone, enzyme and immunoglobulin according...
2019, 47(9): 1293-1301
doi: 10.19756/j.issn.0253-3820.191225
Abstract:
Cell cycle is a basic process during the cell life. Analyzing cell cycles can better understand the nature of diseases. Currently, cell cycles are mainly analyzed by flow cytometry, which investigate cell cycles by measuring intracellular DNA content...
Cell cycle is a basic process during the cell life. Analyzing cell cycles can better understand the nature of diseases. Currently, cell cycles are mainly analyzed by flow cytometry, which investigate cell cycles by measuring intracellular DNA content...
2019, 47(9): 1302-1308
doi: 10.19756/j.issn.0253-3820.191249
Abstract:
Tungstotellurate(Ⅵ)-coated magnetic nanoparticles(MNP) were prepared by immobilization of tungstotellurate (Ⅵ) salt onto the surface of branched polyethyleneimine (PEI)-modified magnetic nanoparticles via electrostatic interaction. The structure and ...
Tungstotellurate(Ⅵ)-coated magnetic nanoparticles(MNP) were prepared by immobilization of tungstotellurate (Ⅵ) salt onto the surface of branched polyethyleneimine (PEI)-modified magnetic nanoparticles via electrostatic interaction. The structure and ...
2019, 47(9): 1309-1313
doi: 10.19756/j.issn.0253-3820.191333
Abstract:
Click reaction is a reliable, powerful and selective method in material science, medical science and biochemistry. Monitoring of click reaction at single particle scale contributes to revealing anisotropy and mechanism of click reaction. In this stud...
Click reaction is a reliable, powerful and selective method in material science, medical science and biochemistry. Monitoring of click reaction at single particle scale contributes to revealing anisotropy and mechanism of click reaction. In this stud...
2019, 47(9): 1314-1320
doi: 10.19756/j.issn.0253-3820.181818
Abstract:
A sensitive mercury ion (Hg2+) sensor was designed by using CdS QDs/TiO2 composite material as the photoelectric conversion unit. After the coupling of two inorganic semiconductors (CdS QDs and TiO2) with different band gaps, the performance of elect...
A sensitive mercury ion (Hg2+) sensor was designed by using CdS QDs/TiO2 composite material as the photoelectric conversion unit. After the coupling of two inorganic semiconductors (CdS QDs and TiO2) with different band gaps, the performance of elect...
2019, 47(9): 1321-1329
doi: 10.19756/j.issn.0253-3820.191275
Abstract:
As an important part of laboratory chip (LOC) and micro-total analysis system (μTAS), micro-mixer has been widely used in the fields of biological analysis and chemical synthesis, most of which are used in the pre-treatment part of the detection syst...
As an important part of laboratory chip (LOC) and micro-total analysis system (μTAS), micro-mixer has been widely used in the fields of biological analysis and chemical synthesis, most of which are used in the pre-treatment part of the detection syst...
2019, 47(9): 1330-1336
doi: 10.19756/j.issn.0253-3820.191087
Abstract:
Methylanthranilate (MA) is a kind of spice illegally added in the wine in China. The determination of MA in wine is an important quality control link. Therefore, it is of great significance to develop a rapid method for detection of prohibited spice ...
Methylanthranilate (MA) is a kind of spice illegally added in the wine in China. The determination of MA in wine is an important quality control link. Therefore, it is of great significance to develop a rapid method for detection of prohibited spice ...
2019, 47(9): 1337-1343
doi: 10.19756/j.issn.0253-3820.191311
Abstract:
Based on the specific recognition of T-Hg2+-T mismatched for mercury ions (Hg2+), a simple and sensitive method for detecting Hg2+ was developed by using Fe3O4 nano-magnetic beads (MB) as reaction platform and portable blood glucose meter (PGM) as de...
Based on the specific recognition of T-Hg2+-T mismatched for mercury ions (Hg2+), a simple and sensitive method for detecting Hg2+ was developed by using Fe3O4 nano-magnetic beads (MB) as reaction platform and portable blood glucose meter (PGM) as de...
2019, 47(9): 1344-1351
doi: 10.19756/j.issn.0253-3820.191202
Abstract:
Active bioaerosols suspended in the atmosphere can harm human health through the human respiratory system, so the detection of active bioaerosols is extremely important. In recent years, more and more research has attempted to apply single particle a...
Active bioaerosols suspended in the atmosphere can harm human health through the human respiratory system, so the detection of active bioaerosols is extremely important. In recent years, more and more research has attempted to apply single particle a...
2019, 47(9): 1352-1358
doi: 10.19756/j.issn.0253-3820.191347
Abstract:
A method was developed for producing double emulsion droplets based on a compositional microfluidic chip that was consisted of a T-micro connector, a cross-micro connector and a glass capillary. T-junction microfluidic chip could fabricate high throu...
A method was developed for producing double emulsion droplets based on a compositional microfluidic chip that was consisted of a T-micro connector, a cross-micro connector and a glass capillary. T-junction microfluidic chip could fabricate high throu...
2019, 47(9): 1359-1365
doi: 10.19756/j.issn.0253-3820.191221
Abstract:
The pure standards of 10 linear alkanes (C6-C15) were detected by proton-transfer-reaction mass spectrometry (PTR-MS) through a self-made liquid sampling device. The experimental results showed that the fragmentation of linear alkanes in PTR-MS under...
The pure standards of 10 linear alkanes (C6-C15) were detected by proton-transfer-reaction mass spectrometry (PTR-MS) through a self-made liquid sampling device. The experimental results showed that the fragmentation of linear alkanes in PTR-MS under...
2019, 47(9): 1366-1372
doi: 10.19756/j.issn.0253-3820.181654
Abstract:
An optical sensing system for specific detection of F- was developed on the basis of room-temperature phosphorescence of manganese-doped Zinc sulfide quantum dots (Mn-ZnS QDs). In this system, Eu3+ bonded with Mn-ZnS QDs to form nanocomposites, and t...
An optical sensing system for specific detection of F- was developed on the basis of room-temperature phosphorescence of manganese-doped Zinc sulfide quantum dots (Mn-ZnS QDs). In this system, Eu3+ bonded with Mn-ZnS QDs to form nanocomposites, and t...
2019, 47(9): 1373-1381
doi: 10.19756/j.issn.0253-3820.191306
Abstract:
A method was proposed for the effective and accurate colorimetric detection of ultra-trace trivalent chromium ions (Cr3+) in water based on citric acid-modified gold nanoparticles (CA-AuNPs). CA-AuNPs under different pH conditions were prepared by in...
A method was proposed for the effective and accurate colorimetric detection of ultra-trace trivalent chromium ions (Cr3+) in water based on citric acid-modified gold nanoparticles (CA-AuNPs). CA-AuNPs under different pH conditions were prepared by in...
2019, 47(9): 1382-1389
doi: 10.19756/j.issn.0253-3820.191232
Abstract:
A new strategy for eliminating mass spectral interference in analysis of soft magnetic ferrite powders by inductively coupled plasma tandem mass spectrometry (ICP-MS/MS) in the MS/MS mode using mixed reaction gases was proposed. The mixture of nitric...
A new strategy for eliminating mass spectral interference in analysis of soft magnetic ferrite powders by inductively coupled plasma tandem mass spectrometry (ICP-MS/MS) in the MS/MS mode using mixed reaction gases was proposed. The mixture of nitric...
2019, 47(9): 1390-1394
doi: 10.19756/j.issn.0253-3820.191283
Abstract:
In recent years, single cell analysis has become one of hot topics in analytical chemistry. In this work, a method was developed for quantitative analysis of silver nanoparticles (AgNP) in single cells by laser ablation-inductively coupled plasma-mas...
In recent years, single cell analysis has become one of hot topics in analytical chemistry. In this work, a method was developed for quantitative analysis of silver nanoparticles (AgNP) in single cells by laser ablation-inductively coupled plasma-mas...
2019, 47(9): 1395-1401
doi: 10.19756/j.issn.0253-3820.191277
Abstract:
Protonated chitosan (PCTS) modified gold nanoparticles (AuNPs) composites coating was fabricated using an etched stainless steel wire as a support on which AuNPs were first deposited, then after modified with CTS by self-assembly method and protonate...
Protonated chitosan (PCTS) modified gold nanoparticles (AuNPs) composites coating was fabricated using an etched stainless steel wire as a support on which AuNPs were first deposited, then after modified with CTS by self-assembly method and protonate...
2019, 47(9): 1402-1410
doi: 10.19756/j.issn.0253-3820.191172
Abstract:
A sample preparation method was developed to simulate the process of intracellular metabolites metabonomics analysis of Escherichia coli. The Escherichia coli cell was firstly quenched with cold sodium chloride solution (0.85%, precooled at -80℃ for ...
A sample preparation method was developed to simulate the process of intracellular metabolites metabonomics analysis of Escherichia coli. The Escherichia coli cell was firstly quenched with cold sodium chloride solution (0.85%, precooled at -80℃ for ...
2019, 47(9): 1411-1418
doi: 10.19756/j.issn.0253-3820.181712
Abstract:
A simple and economical type of electrospray ionization (ESI) technique was developed for loading and ionization of samples by use of disposable wooden tips of sunflower seed husk. Samples could be loaded by simply dipping the tip into sample solutio...
A simple and economical type of electrospray ionization (ESI) technique was developed for loading and ionization of samples by use of disposable wooden tips of sunflower seed husk. Samples could be loaded by simply dipping the tip into sample solutio...
2019, 47(9): 1419-1426
doi: 10.19756/j.issn.0253-3820.181772
Abstract:
The organophosphorus pesticides are widely used in agriculture and food in China. Parathion, which is highly toxic and persistent, is one of the most widely used organophosphorus pesticides. Variable domain of the H chain of heavy-chain antibodies (V...
The organophosphorus pesticides are widely used in agriculture and food in China. Parathion, which is highly toxic and persistent, is one of the most widely used organophosphorus pesticides. Variable domain of the H chain of heavy-chain antibodies (V...
2019, 47(9): 1427-1432
doi: 10.19756/j.issn.0253-3820.191217
Abstract:
A method for visual detection of Pb2+ in water based on lead ion (Pb2+) functional nucleic acid colorimetric biosensor was developed. The specific recognition and cleavage of Pb2+ by GR-5 deoxyribozyme was carried out, and the cleavage products of GR...
A method for visual detection of Pb2+ in water based on lead ion (Pb2+) functional nucleic acid colorimetric biosensor was developed. The specific recognition and cleavage of Pb2+ by GR-5 deoxyribozyme was carried out, and the cleavage products of GR...
2019, 47(9): 1433-1439
doi: 10.19756/j.issn.0253-3820.191113
Abstract:
When nature sediments (e.g. clay/carbonate sediments) are dissolved by hydrochloric acid, a large number of metallic ions such as Ca, Mg, Fe, Al and rare earth elements are released. These metal ions make large amount of water-insoluble hydroxide pre...
When nature sediments (e.g. clay/carbonate sediments) are dissolved by hydrochloric acid, a large number of metallic ions such as Ca, Mg, Fe, Al and rare earth elements are released. These metal ions make large amount of water-insoluble hydroxide pre...
