A series of p-substituted NPG derivatives (Cl-NPG, OMe-NPG and NO-NPG) comprising different push-pull characteristics have been synthesized and characterized. The NPG derivatives have good thermal stability and red shifted absorption when compared with the original N-phenyl glycine (NPG) compound. These NPGs were selected in combination with 2-chlorohexaaryl biimidazole (o-Cl-HABI) for Type II free radical polymerization (FRP). Commercial NPG was also mixed with o-Cl-HABI for comparison. Their photo-polymerization properties were investigated by the gel fraction method in a nitrogen atmosphere. Electron transfer efficiencies for those Type II packages were studied by cyclic voltammetry (CV) and free energy change ΔG results.
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http://dx.doi.org/10.1039/c8pp00300a | DOI Listing |
Sheng Wu Gong Cheng Xue Bao
July 2024
School of Life Science and Health, Wuhan University of Science and Technology, Wuhan 430065, Hubei, China.
In recent years, virological, pathological, and immunological studies need to be carried out for the emerging anti-human immunodeficiency virus (HIV) therapies such as gene therapy, broadly neutralizing antibodies, and the derived chimeric antigen receptor (CAR)-T immunotherapy, which necessitates suitable, simple, and inexpensive small-animal models and methods for accurate quantification of the viral genome in the HIV-1 infected. In our research, the HIV-∆ENV-Jurkat-EGFP-mCherry cell line was engineered through the infection with a dual-labelled HIV pseudovirus. A nested quantitative PCR (nested-qPCR) method with the cellular genome as the integrated standard was established for the quantification of HIV proviral copies.
View Article and Find Full Text PDFNanotechnology
July 2024
Surface Modification and Applications Laboratory (SMAL) Department of Physics, Indian Institute of Technology Ropar, Nangal Road, Rupnagar, Punjab 140001, India.
With the increasing demand for sensing platforms operating across UV, visible, and near-infrared wavelengths, nanoporous gold has emerged as an ideal substrate for rapid, quantitative detection of analytes with excellent specificity and high sensitivity. This study investigates thickness-mediated compositional changes and their impact on scattering characteristics of thin nanoporous gold films fabricated using selective chemical etching. Specifically, we observe thickness-induced morphological and structural changes across different fabricated samples from 25 to 100 nm in thickness.
View Article and Find Full Text PDFEJNMMI Radiopharm Chem
June 2024
Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Chuo-Ku, Inohana, Chiba, 260-8675, Japan.
Background: Prostate cancer is a common cancer among men worldwide that has a very poor prognosis, especially when it progresses to metastatic castration-resistant prostate cancer (mCRPC). Therefore, novel therapeutic agents for mCRPC are urgently required. Because prostate-specific membrane antigen (PSMA) is overexpressed in mCRPC, targeted alpha therapy (TAT) for PSMA is a promising treatment for mCRPC.
View Article and Find Full Text PDFJ Am Soc Mass Spectrom
June 2024
Department of Chemistry & Biochemistry, University of Alabama, Tuscaloosa, Alabama 35487, United States.
This work explores the use of 2-nitrophloroglucinol (2-NPG) as a matrix for quantitative analysis of the fungicide Pyrimethanil (PYM) in strawberries using matrix-assisted laser desorption ionization mass spectrometry (MALDI-MS) and imaging. 2-NPG was selected for PYM analysis for optimum sensitivity and precision compared to common matrices α-cyano-4-hydroxylcinnamic acid (CHCA) and 2,5-dihydroxybenzoic acid (DHB). PYM-sprayed strawberries were frozen 0, 1, 3, and 4 days after treatment and sectioned for MALDI imaging.
View Article and Find Full Text PDFNat Commun
March 2024
NORMENT Centre, Division of Mental Health and Addiction, Oslo University Hospital and Institute of Clinical Medicine, University of Oslo, Building 48, Oslo, Norway.
Genetic pleiotropy is abundant across spatially distributed brain characteristics derived from one neuroimaging modality (e.g. structural, functional or diffusion magnetic resonance imaging [MRI]).
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