An electrochemical molecular recognition-based aptasensor for multiple protein detection

2015 ◽  
Vol 491 ◽  
pp. 31-36 ◽  
Author(s):  
Lin Cheng ◽  
Jie Zhang ◽  
Yan Lin ◽  
Qiong Wang ◽  
XiuXiu Zhang ◽  
...  
Lab on a Chip ◽  
2020 ◽  
Vol 20 (12) ◽  
pp. 2113-2121 ◽  
Author(s):  
Kenji Akama ◽  
Hiroyuki Noji

Homogeneous digital immunoassay is a powerful analytical method for highly sensitive biomarker detection with a simple protocol. By using this method, we demonstrated the simultaneous multiple protein detection.


2015 ◽  
Vol 119 (36) ◽  
pp. 12066-12073 ◽  
Author(s):  
Juan Liu ◽  
Viktoriia Postupalenko ◽  
Jason T. Duskey ◽  
Cornelia G. Palivan ◽  
Wolfgang Meier

2015 ◽  
Vol 866 ◽  
pp. 1-9 ◽  
Author(s):  
Yuko Ueno ◽  
Kazuaki Furukawa ◽  
Kota Matsuo ◽  
Suzuyo Inoue ◽  
Katsuyoshi Hayashi ◽  
...  

The Analyst ◽  
2017 ◽  
Vol 142 (17) ◽  
pp. 3177-3182 ◽  
Author(s):  
Feiyang Wang ◽  
Yuexiang Lu ◽  
Jiacheng Yang ◽  
Ying Chen ◽  
Wenjie Jing ◽  
...  

We have developed a very simple colorimetric sensor array by using only unmodified gold nanoparticles and NaCl salt for discrimination of multiple proteins. The inexpensive and convenient sensor array and the ubiquitous smartphone are coupled to achieve an immediate point-of-care diagnosis without additional devices.


Bone ◽  
2020 ◽  
Vol 137 ◽  
pp. 115363
Author(s):  
Caterina Licini ◽  
Giorgia Montalbano ◽  
Gabriela Ciapetti ◽  
Giorgia Cerqueni ◽  
Chiara Vitale-Brovarone ◽  
...  

Lab on a Chip ◽  
2012 ◽  
Vol 12 (17) ◽  
pp. 3184 ◽  
Author(s):  
Ying Wang ◽  
Danke Xu ◽  
Hong-Yuan Chen

2011 ◽  
Vol 57 (12) ◽  
pp. 1732-1738 ◽  
Author(s):  
Jimin Zhu ◽  
Nengli Zou ◽  
Danian Zhu ◽  
Jin Wang ◽  
Qinghui Jin ◽  
...  

BACKGROUNDAlthough numerous lateral flow immunoassays (LFIAs) have been developed and widely used, inadequate analytical sensitivity and the lack of multiple protein detection applications have limited their clinical utility. We developed a new LFIA device for the simultaneous detection of high-sensitivity cardiac troponin I (hs-cTnI) and myoglobin (Myo).METHODSWe used a gold nanoparticle (AuNP) doubly labeled complex, in which biotinylated single-stranded DNA was used as a linkage to integrate 2 AuNPs and streptavidin-labeled AuNP, as an amplifier to magnify extremely low signals.RESULTSThe detection limit of 1 ng/L achieved for hs-cTnI was 1000 times lower than that obtained in a conventional LFIA. The detection limit for simultaneously measured Myo was 1 μg/L. The linear measurement ranges for hs-cTnI and Myo were 1–10 000 ng/L and 1–10 000 μg/L, respectively. We observed concordant results between the LFIA and clinical assays in sera from 12 patients with acute myocardial infarction (hs-cTnI r = 0.96; Myo r = 0.98). Assay imprecision was <11% for both hs-TnI and myo.CONCLUSIONSThe described proof-of-principle LFIA method could be used as a point-of-care device in multiple protein quantification and semiquantitative analysis.


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