Zobrazeno 1 - 10
of 22
pro vyhledávání: '"520"'
Autor:
M. Briones, María Encarnación Lorenzo, Félix Pariente, Andrés Redondo-Cubero, Carlos Busó-Rogero, Sergio Catalán-Gómez, Tania García-Mendiola
Publikováno v:
Repositorio Institucional del Instituto Madrileño de Estudios Avanzados en Nanociencia
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A rapid fluorometric method is described for the determination of lactate and cholesterol by using ZnO nanowires (ZnO NWs). The assay is based on the detection of the hydrogen peroxide generated during the enzymatic reactions of the oxidation of lact
Autor:
Lurong Xu, Xiaotong Zhou, Gaoshang Du, Dongwei Zhang, Bing Xia, Lumei Wang, Shijian Wu, Xuan Ni, Shenshan Zhan
Publikováno v:
Microchimica Acta. 183:2251-2258
The authors describe an aptasensor for the detection of the gonadal hormone progesterone (P4) in aqueous solution. Gold nanoparticles (AuNPs) were coated with a P4-specific aptamer, and such particles do not aggregate in presence of NaCl due to the p
Autor:
Adhimoorthy Prasannan, Varghese Lincy, Subash Vetri Selvi, Shen-Ming Chen, Chung-Yi Lee, Po-Da Hong
Publikováno v:
Microchimica Acta. 188
Molybdenum disulfide (MoS2) surface functionalization was performed with a catechol-containing polymer sodium alginate (SA) and dopamine (DA) through simultaneous MoS2 exfoliation and self-polymerization of DA. The MoS2/SA-PDA nanocomposite was chara
Publikováno v:
Microchimica Acta. 188
A short ssDNA (Apt-21) rationally truncated from the parent 100 nt As(III) aptamer was used for colorimetric determination of As(III). Apt-21 serves dual functions, i.e., recognition of trace As(III) and regulation of AuNPs dispersion by surface atta
Publikováno v:
Microchimica Acta. 184:4305-4312
The authors describe a new kind of adenosine triphosphate (ATP) assay. It is based on the use of gold nanoparticles (AuNPs) coated with 4-mercaptophenylboronic acid (MPBA) as the recognition element for ATP. MPBA has a specific affinity for AuNPs thr
Publikováno v:
Microchimica Acta. 184:4203-4208
The authors describe a colorimetric assay for the determination of the iron chelating drug deferiprone by using water dispersible silver nanoparticles functionalized with pyrophosphate groups (Pyro-AgNPs). The pyro-AgNPs are capable of cooperatively
Autor:
Lei Qin, Min Cheng, Dawei Huang, Guangming Zeng, Piao Xu, Xigui Liu, Danlian Huang, Chen Zhang, Huan Yi, Cui Lai
Publikováno v:
Microchimica Acta. 184:2097-2105
The authors describe a colorimetric assay for the quantitation of antibiotic kanamycin. It is based on hydrogen-bonding recognition capability of gold nanoparticles (AuNPs) in a chitosan matrix. Hydrogen-bonding interaction between kanamycin and chit
Publikováno v:
Microchimica Acta. 184:101-106
Patients with prostate cancer and systemic lupus erythematosus exhibit reduced DNase I activity, and patients with myocardial infarction exhibit increased DNase I activity. So the assay of DNase I is of high importance. A colorimetric assay is descri
Publikováno v:
Microchimica Acta. 183:3087-3092
Carbon dots (C-dots) were prepared in aqueous solution by a one-step ultrasonic approach, and the absorption and fluorescence spectra were acquired. It is found that acidic solutions of potassium permanganate cause C-dots to produce green and red che
Publikováno v:
Microchimica Acta. 186
An ultrasensitive fluorometric and colorimetric dual-mode assay is described for the determination of the activity of alkaline phosphatase (ALP). ALP catalyzes the decomposition of 2-phospho-L-ascorbic acid, and the ascorbic acid thus generated reduc