Zobrazeno 1 - 10
of 20
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:
Ling-Ling Shang, Shoutao Zhang, Chang-Bin Niu, Qi-Yan Lv, Xiaojie Song, Chun-Ling Li, Hui-Fang Cui
Publikováno v:
Microchimica Acta. 188
A sensitive and turn-on fluorescence nanoprobe based on core-shell Ag@Au nanoparticles (Ag@AuNPs) as a fluorescence receptor and red emissive graphene quantum dots (GQDs) as a donor was fabricated. They were conjugated together through π-π stacking
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
Autor:
S. Yamini, Swati Singh, Karen S. Martirosyan, J. Senthilselvan, G.C. Dannangoda, M. Gunaseelan, G.A. Kumar, Dhiraj K. Sardar, Sri Sivakumar, Agnishwar Girigoswami
Publikováno v:
Microchimica Acta. 187
The effect of novel silver nanowire encapsulated NaGdF4:Yb,Er hybrid nanocomposite on the upconversion emission and bioimaging properties has been investigated. The upconvension nanomaterials were synthesised by polyol method in the presence of ethyl
Publikováno v:
Microchimica Acta. 187
A controllable approach for preparing a portable colloidal photonic crystal (CPC) array chip is presented. The approach was inspired by the confinement effect of nanoparticle self-assembly on patterned surface. Hydrophobic polydimethylsiloxane substr
Publikováno v:
Microchimica Acta. 184:4663-4669
A method is described for the determination of the polarity of mixed organic solvents by using the fluorescent probe Hostasol Red (HR) desposited on the outer surface of nanosized zeolite L. Organic solvents and their mixtures can be roughly classifi
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:
Hongwei Ge, Wei Liu, Yanying Wang, Xianxiang Wang, Yaqin Liu, Zhaoyi Zhang, Hanbing Rao, Yan Yang, Ping Zou, Xin Liu
Publikováno v:
Microchimica Acta. 184:3017-3025
The paper describes an optical probe for colorimetric and fluorometric determination of protamine. The probe consists of a mixture of carbon quantum dots (CQDs) and gold nanoparticles (AuNPs) where the CQDs (with excitation/emission peaks at 350/440