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You searched for: Author "Yang, Jiajia" Remove constraint Author: "Yang, Jiajia" Publication Year 2017 Remove constraint Publication Year: 2017
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1. An aptamer-based fluorescence probe for facile detection of lipopolysaccharide in drinks

Author:
Yang, Jiajia,   et al.   ; Zhang, Zhifeng; Pang, Wenting; Yan, Guiqin;     Show all 4 Authors
Source:
RSC advances 2017 v.7 no.86 pp. 54920-54926
ISSN:
2046-2069
Subject:
apple juice; bacterial toxins; beers; binding capacity; cost effectiveness; detection limit; endotoxins; energy transfer; fluorescence; fluorescent dyes; food safety; graphene oxide; human health; lipopolysaccharides; oligonucleotides; quantitative analysis
Abstract:
... Bacterial toxin contamination is a serious food safety issue. Rapid, facile detection of bacterial toxins in food is crucial to control their harmful effects on human health. In this study, a facile, selective, and cost-effective method with a 6-carboxy-X-rhodamine labeled lipopolysaccharide binding aptamer (ROX-LBA)/GO fluorescent probe was developed based on the specific recognition characterist ...
DOI:
10.1039/c7ra10710b

2. A DNA probe based on phosphorescent resonance energy transfer for detection of transgenic 35S promoter DNA

Author:
Yang, Jiajia,   et al.   ; Lv, Jinzhi; Miao, Yanming; Qin, Jin; Li, Dongxia; Yan, Guiqin;     Show all 6 Authors
Source:
Biosensors & bioelectronics 2017 v.91 pp. 560-565
ISSN:
0956-5663
Subject:
Cauliflower mosaic virus; DNA; ambient temperature; biosensors; detection limit; energy transfer; genetically modified organisms; ligands; phosphorescence; promoter regions; quantum dots; zinc sulfide
Abstract:
... A QDs-DNA nano-probe was made by combining Mn-doped ZnS room-temperature phosphorescence (RTP) quantum dots (QDs) and DNA. Then an RTP sensor for quantitative detection of genetically-modified mark sequence cauliflower mosaic virus 35S promoter (Ca MV 35S) DNA was built on basis of phosphorescent resonance energy transfer (PRET). The underlying principles were that a QDs-DNA water-soluble nano-pro ...
DOI:
10.1016/j.bios.2017.01.012

3. Multifunctionalized mesoporous silica as an efficient reversed-phase/anion exchange mixed-mode sorbent for solid-phase extraction of four acidic nonsteroidal anti-inflammatory drugs in environmental water samples A

Author:
Yang, Jiajia,   et al.   ; Li, Yun; Huang, Chaonan; Peng, Junyu; Jin, Jing; Ma, Huilian; Chen, Jiping;     Show all 7 Authors
Source:
Journal of chromatography 2017
ISSN:
0021-9673
Subject:
Fourier transform infrared spectroscopy; amines; anion exchange; carbon; diclofenac; high performance liquid chromatography; ibuprofen; ketoprofen; ligands; nitrogen; nitrogen content; pH; porosity; porous media; river water; scanning electron microscopy; silane; silica; solid phase extraction; sorbents; statistical analysis; surface area; tap water; transmission electron microscopy; wastewater
Abstract:
... A mesoporous silica Santa Barbara Amorphous-15 (SBA-15) has been first functionalized with 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane (a silane with three amines) and then reacted with an excess of phenyl glycidyl ether to generate a mixed-mode anion-exchanger containing both anion-exchange (three amines) and reversed-phase (multiple ether-linked phenyls) functionalities in a singl ...
DOI:
10.1016/j.chroma.2017.10.051

4. Preparation of a reversed-phase/anion-exchange mixed-mode spherical sorbent by Pickering emulsion polymerization for highly selective solid-phase extraction of acidic pharmaceuticals from wastewater A

Author:
Yang, Jiajia,   et al.   ; Huang, Chaonan; Li, Yun; Peng, Junyu; Jin, Jing; Dhanjai,; Wang, Jincheng; Chen, Jiping;     Show all 8 Authors
Source:
Journal of chromatography 2017
ISSN:
0021-9673
Subject:
Fourier transform infrared spectroscopy; anion exchange; carbon; cortisol; detection limit; emulsions; high performance liquid chromatography; ibuprofen; ketoprofen; nitrogen; nitrogen content; polymerization; porosity; scanning electron microscopy; solid phase extraction; sorbents; statistical analysis; triethylamine; wastewater
Abstract:
... The present work represents a simple and effective preparation of a novel mixed-mode anion-exchange (MAX) sorbent based on porous poly[2-(diethylamino)ethyl methacrylate-divinylbenzene] (poly(DEAEMA-DVB)) spherical particles synthesized by one-step Pickering emulsion polymerization. The poly(DEAEMA-DVB) particles were quaternized with 1,4-butanediol diglycidyl ether (BDDE) followed by triethylamin ...
DOI:
10.1016/j.chroma.2017.09.021

5. Construction of Sierpiński Triangles up to the Fifth Order

Author:
Yang, Jiajia,   et al.   ; Li, Chao; Zhang, Xue; Li, Na; Wang, Yawei; Gu, Gaochen; Zhang, Yajie; Hou, Shimin; Peng, Lianmao; Wu, Kai; Nieckarz, Damian; Szabelski, Paweł; Tang, Hao; Wang, Yongfeng;     Show all 14 Authors
Source:
Journal of the American Chemical Society 2017 v.139 no.39 pp. 13749-13753
ISSN:
1520-5126
Subject:
aesthetics; benzene; gold; iron; mathematics
Abstract:
... Self-similar fractal structures are of fundamental importance in science, mathematics, and aesthetics. A series of molecular defect-free Sierpiński triangle fractals have been constructed on surfaces recently. However, the highest order of the fractals is only 4 because of the limitation of kinetic growth. Here complete fifth-order Sierpiński triangles with a lateral length of 0.05 μm were succe ...
DOI:
10.1021/jacs.7b05720