An Escherichia coli-Expressed Porcine Reproductive and Respiratory Syndrome Virus Chimeric Protein Induces a Specific Immunoglobulin G Response in Immunized Piglets

Viral Immunology, Ahead of Print.
Source: Viral Immunology - Category: Allergy & Immunology Authors: Source Type: research

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Publication date: Available online 10 December 2019Source: Colloids and Surfaces B: BiointerfacesAuthor(s): Vahid Shirshahi, Seyed Nasrollah Tabatabaei, Shadie Hatamie, Reza SaberAbstractLateral flow immunoassay (LFA) is a well-known point-of-care technology for the detection of various analytes. However, low sensitivity and lack of quantitative results are some of its critical drawbacks. Here we report a photothermal enhanced lateral flow sensor on the basis of the photothermal properties of reduced graphene oxide (rGO) for the detection of E-coli O157:H7 as a model pathogen. The calibration curve of the photothermal meth...
Source: Colloids and Surfaces B: Biointerfaces - Category: Biochemistry Source Type: research
Publication date: February 2020Source: Phytochemistry Letters, Volume 35Author(s): Gamal A. Mohamed, Sabrin R.M. Ibrahim, Hani Z. AsfourAbstractTwo new diaryl ether derivatives [aspergillethers A (4) and B (5)] and five known metabolites [(22E,24R)-stigmasta-5,7,22-trien-3-β-ol (1), stigmasta-4,6,8(14),22-tetraen-3-one (2), orcinol (3), and butyrolactones I (6) and VI (7)] were separated from the endophytic fungus Aspergillus versicolor (Aspergillaceae) isolated from the roots of Pulicaria crispa Forssk (Asteraceae) growing in Saudi Arabia. The structures of these compounds were determined by various spectral techniqu...
Source: Phytochemistry Letters - Category: Chemistry Source Type: research
Publication date: 15 March 2020Source: Journal of Alloys and Compounds, Volume 817Author(s): Rui Guo, Aiguo Yan, Juanjuan Xu, Botao Xu, Tingting Li, Xuanwen Liu, Tingfeng Yi, Shaohua LuoAbstractBiVO4/CdS composites with different morphologies and mass ratios were successfully prepared via a facile deposition-precipitation method by adding different dispersants. Compared with spherical BiVO4 (BS), sheet-like BiVO4 nanoarrays (BA) showed higher (020) exposed areas, as confirmed by X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). X-ray photoelectron spectroscopy (XPS) re...
Source: Journal of Alloys and Compounds - Category: Chemistry Source Type: research
Publication date: January 2020Source: Journal of Photochemistry and Photobiology B: Biology, Volume 202Author(s): Rajasree Shanmuganathan, Felix LewisOscar, Sabarathinam Shanmugam, Nooruddin Thajuddin, Sulaiman Ali Alharbi, Naiyf S. Alharbi, Kathirvel Brindhadevi, Arivalagan PugazhendhiAbstractBacterial pathogenicity is becoming a major cause of morbidity and mortality around the globe. Researchers are tirelessly finding solutions to cure or prevent infections caused by bacterial pathogens. Nanotechnology is a fast-growing area of research, effectively influencing and preventing bacterial growth. Nanoparticles (NPs) of sil...
Source: Journal of Photochemistry and Photobiology B: Biology - Category: Speech-Language Pathology Source Type: research
There are at least eight cases of E. coli in three states linked to Fresh Express Sunflower Crisp Chopped Salad Kits. But it's unclear if these new cases are connected to a more widespread outbreak from romaine lettuce. Jonathan Vigliotti reports.
Source: Health News: CBSNews.com - Category: Consumer Health News Source Type: news
It's unclear if these new cases are linked to a more widespread outbreak from romaine
Source: Health News: CBSNews.com - Category: Consumer Health News Source Type: news
Publication date: Available online 9 December 2019Source: Enzyme and Microbial TechnologyAuthor(s): Liuyan Gu, Haibo Yuan, Xueqin Lv, Guangsheng Li, Rigang Cong, Jianghua Li, Guocheng Du, Long LiuAbstract5-Methylpyrazine-2-carboxylic acid (MPCA) is an important pharmaceutical intermediate and is used in the production of hypoglycemic agents and lipid-lowering drugs. This work aimed to develop a whole-cell biocatalytic process for the efficient synthesis of MPCA from 2, 5-dimethylpyrazine (DMP). Firstly, a whole-cell biocatalyst Escherichia coli strain was constructed by plasmid-based expression of xylene monooxygenase (XMO...
Source: Enzyme and Microbial Technology - Category: Biotechnology Source Type: research
Publication date: Available online 9 December 2019Source: Colloids and Surfaces A: Physicochemical and Engineering AspectsAuthor(s): Qiang Li, Xiaotai Zhang, Hui Yu, Huifeng Zhang, Jihua WangAbstractA Schiff-base and hydrophilic functionalized polyamide reverse osmosis (RO) membrane has been fabricated by ordinally grafting ethylenediamine, glutaraldehyde, and 3-amino-1-propanol on the freshly fabricated polyamide surface under a facile mild grafting strategy. The modification process has no obvious influence on membrane thickness and morphology. Compared to the pristine polyamide membrane, the modified membrane becomes mo...
Source: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Category: Chemistry Source Type: research
This outbreak is caused by a different strain of E. coli than the other current outbreak linked to romaine lettuce grown in the Salinas, California region, which has over 100 reported cases of infection.
Source: CNN.com - Health - Category: Consumer Health News Source Type: news
The CDC says eight people have contracted E. coli in three states from a pre-packaged salad kit while the FDA announced a recall of a pre-cut fruit salad mix that sickened 33 with salmonella.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news
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