Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Shenjiang Yu"'
Autor:
Daisy Richardson, Shuai Shi, Andrew Semple, Yunsong Li, Valentyn Antochshuk, Joseph M. Rizzo, Mohammed Shameem, Jessica J. Esposito, Shenjiang Yu
Publikováno v:
Journal of Pharmaceutical Sciences. 104:1632-1640
In this study, an automated high-throughput relative chemical stability (RCS) assay was developed in which various therapeutic proteins were assessed to determine stability based on the resistance to denaturation post introduction to a chaotrope titr
Publikováno v:
Talanta. 101:330-336
A screening method for the soil analysis of 15 Environmental Protection Agency-polycyclic aromatic hydrocarbons (EPA-PAHs) is reported. The new method is based on the collection of 4.2 K fluorescence time-resolved excitation-emission cubes (TREECs) v
Publikováno v:
Analytical Biochemistry. 385:249-256
A unique method for screening polycyclic aromatic hydrocarbons in drinking water samples is reported. Water samples (500 microl) are mixed and centrifuged with 950 microl of a commercial solution of 20 nm gold nanoparticles for pollutants extraction.
Publikováno v:
Analytical Chemistry. 79:1682-1689
Recording absorption spectra via transmittance through frozen matrixes is a challenging task. The main reason is the difficulty in overcoming the strong scattering light reaching the detector. This is particularly true when thick samples are necessar
Publikováno v:
Applied Spectroscopy. 60:1174-1180
We present a simple, selective, and sensitive method for the analysis of fluoroquinolones in water samples without previous separation. Octadecyl silica membranes are used with the dual purpose of sample preconcentration and solid substrate for fluor
Publikováno v:
Analytical Chemistry. 78:484-492
We present a single instrument with the capability to collect multidimensional data formats in both the fluorescence and the phosphorescence time domains. We also demonstrate the ability to perform luminescence measurements in highly scattering media
Publikováno v:
The Journal of Physical Chemistry B. 109:9499-9504
We present for the first time experimental evidence of fluorescence lifetime enhancement of organic chromophores attached to metal nanospheres via radiative decay engineering. The hybrid system (HS) was a modified "diconjugated" molecular probe, 4-ac
Publikováno v:
Analytical Chemistry. 77:2608-2616
This article reports the first application of parallel factor analysis to high-order instrumental data generated from Shpol'skii matrixes at liquid helium temperature. Third-order data arrays-consisting of excitation modulated wavelength time matrixe
Autor:
Shenjiang Yu, Andres D. Campiglia
Publikováno v:
Analytical Chemistry. 77:1440-1447
Dibenzo[a,l]pyrene is considered the most potent carcinogen of all polycyclic aromatic hydrocarbons ever tested. Its four isomers, which include dibenzo[a,e]pyrene, dibenzo[a,h]pyrene, dibenzo[a,i]pyrene, and dibenzo[e,l]pyrene, are also carcinogenic
Publikováno v:
Applied spectroscopy. 61(2)
A unique method for screening polycyclic aromatic hydrocarbons (PAH) in soil samples is reported. Milligrams of soil are sonicated into the vial of a cryogenic fiber-optic probe with 250 μL of n-octane. Pollutants partition into the layer of extract