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Drug: Polyethylene Glycol
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Total 2716 results found since Jan 2013.
In Vivo Imaging of Tumor Hypoxia by Maintaining Green Fluorescence of 9-Aminoanthracene Under Hypoxic Conditions
In this study, 9-aminoanthracene (9AA) was used as a new fluorescence reagent for the in vivo imaging of tumor hypoxia by taking advantage of the maintenance of its green fluorescence under hypoxic conditions. As 9AA is insoluble in water, polyethylene glycol (PEG)-400 was used to dissolve 9AA in saline. Each organ was successfully stained with 9AA, as observed by green fluorescence using in vivo imaging, following intragastric administration of a 9AA PEG-saline solution in mice. Therefore, the intragastric administration of 9AA can be used for in vivo imaging of normal mice. Tumor hypoxia staining using the 9AA fluorescen...
Source: Bioorganic and Medicinal Chemistry - July 8, 2023 Category: Chemistry Authors: Yosuke Uchiyama Shotaro Yamagishi Takahisa Yamaura Kazutoshi Kanazawa Hiroko Maruyama Source Type: research
Polymeric Networks Derived from UV-Curing of Bio-Based Polyesters for Methyl Violet Removal
In this study, firstly, the syntheses and characterizations of biobased polyesters with different acid values obtained from the condensation reaction of biobased itaconic acid and polyethylene glycol were investigated. Then, UV curing was applied to form polymeric networks as adsorbent material from these polyesters containing different acids. Fourier transform infrared spectrometry (FTIR), Nuclear Magnetic Resonance Spectroscopy (NMR), X-ray Photoelectron Spectroscopy (XPS), Gel Permeation Chromatography (GPC) and scanning electron microscope (SEM) were used for the characterization of polymeric networks. The effects of t...
Source: Environmental Science and Pollution Research International - July 7, 2023 Category: Environmental Health Authors: Elif Cerraho ğlu Kaçakgil Aleyna Turanl ı Cemil Dizman Source Type: research
A tough, anticorrosive hydrogel consisting of bio-friendly resources for conductive and electromagnetic shielding materials
New J. Chem., 2023, Advance Article DOI: 10.1039/D3NJ02339G, PaperYuhuan Xu, Meng Pei, Jingyu Du, Renyuan Yang, Yong Pan, Daohai Zhang, Shuhao Qin This paper explores the use of sodium alginate, polyvinyl alcohol and polyethylene glycol. Chemical cross-linking creates a high-toughness support structure, forming a corrosion-resistant, high-toughness and electromagnetic shielding hydrogel. To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry
Source: RSC - New J. Chem. latest articles - July 4, 2023 Category: Chemistry Authors: Yuhuan Xu Source Type: research
Advances in hybridoma preparation using electrofusion technology
This article is protected by copyright. All rights reserved.PMID:37402172 | DOI:10.1002/biot.202200428
Source: Biotechnology Journal - July 4, 2023 Category: Biotechnology Authors: Jiaqian Kou Jianzhong Shen Zhanhui Wang Wenbo Yu Source Type: research
Extraction of some essential amino acids using aqueous two-phase systems made by sugar-based deep eutectic solvents
This study aimed to determine the phase diagrams for an ATPS made of polyethylene glycol dimethyl ether 250 and two types of NADESs, namely choline chloride as a hydrogen bond acceptor (HBA), and either sucrose or fructose as a hydrogen bond donor (HBD) with a molar ratio of 1 : 2. The measured tie-line results revealed that the hydrogen bonds of NADES may not be entirely disrupted in aqueous solutions, and thus, these ATPSs act as ternary-like systems. Additionally, the binodal data were fitted using two semi-empirical equations, namely Merchuk and Zafarani-Moattar et al. equations. Furthermore, the ATPSs mentioned above ...
Source: Adv Data - July 3, 2023 Category: Epidemiology Authors: İnci Söğütlü Shakir Mahmood Saeed Mohaned Adil Anupam Yadav Evan Abdulkareem Mahmood Mohamed J Saadh Source Type: research
Study on Contrast-Enhanced Ultrasound Imaging and Anti-Tumor Effects of Drug-Loaded Nanodroplets with Tumor Targeting and Ultrasound Sensitivity
CONCLUSIONS: The FA-NDs/DOX prepared in this study has excellent performance in contrast-enhanced ultrasound imaging, tumor targeting and enhanced chemotherapy. This FA-NDs/DOX with polymer shells provides a novel platform for ultrasound molecular imaging and tumor therapy.PMID:37395016 | DOI:10.31083/j.fbl2806115
Source: Cell Research - July 3, 2023 Category: Cytology Authors: Yaqiong Li Yongqing Chen Ruiqing Liu Shaobo Duan Lijuan Chen Jun Sun Lianzhong Zhang Source Type: research
Continuous Monitoring of the Hydration Behavior of Hydrophilic Matrix Tablets Using Time-Domain NMR
Chem Pharm Bull (Tokyo). 2023;71(7):576-583. doi: 10.1248/cpb.c23-00214.ABSTRACTTime-domain NMR (TD-NMR) was used for continuous monitoring of the hydration behavior of hydrophilic matrix tablets. The model matrix tablets comprised high molecular weight polyethylene oxide (PEO), hydroxypropyl methylcellulose (HPMC), and polyethylene glycol (PEG). The model tablets were immersed in water. Their T2 relaxation curves were acquired by TD-NMR with solid-echo sequence. A curve-fitting analysis was conducted on the acquired T2 relaxation curves to identify the NMR signals corresponding to the nongelated core remaining in the samp...
Source: Chemical and Pharmaceutical Bulletin - July 2, 2023 Category: Drugs & Pharmacology Authors: Takahiro Tsuji Takashi Ono Hiromu Taguchi Kok Hoong Leong Yoshihiro Hayashi Shungo Kumada Kotaro Okada Yoshinori Onuki Source Type: research
Modification of pectin/starch-based beads with additives to improve Bacillus subtilis encapsulation for agricultural applications
In this study, we investigated the influence of these additives on the properties of pectin/starch-based beads for the encapsulation of Bacillus subtilis. FTIR analysis indicated pectin and Ca2+ ions interactions, while the XRD showed good dispersion of clays in the materials. SEM and X-ray microtomography revealed differences in the morphology of the beads due to the use of the additives. The viabilities at the encapsulation were higher than 1010 CFU g-1 for all formulations, with differences in the release profiles. In terms of cell protection, the pectin/starch, pectin/starch-MMT and pectin/starch-CMC formulations showe...
Source: International Journal of Biological Macromolecules - July 2, 2023 Category: Biochemistry Authors: Marina Momesso Lopes Christiane Abreu de Oliveira Paiva Cristiane Sanchez Farinas Source Type: research
