Background Environmental contamination by microbes is a major public health concern. A damp environment is one of the potential sources for microbe proliferation. Smart synthesis nanocatalytic coatings on surfaces, food, and material from different pathogen bacteria can inhibit using the Fe3O4/CNTs as anti-microbial growth can effectively curb this growing threat. In this present work, the anti-microbial efficacy of synthesis of a compound nanoparticle-containing iron oxide-multi-walled carbon nanotube was combined by laser ablation PLAL and explored the anti-bacterial action of colloidal solution of Fe3O4/CNTs NPs that was evaluated against bacteria which is classified as gram-negative (Escherichia coli (E. coli), Klebsiella pneumonia (K. pneumonia), and also that is identified as gram-positive (Streptococcus pyogenes (S .pyogenes) and Staphylococcus aureus (S. aureus) under visible light irradiation. Results Doping of a minute fraction of iron(III) salt (0.5 mol%) in a volatile solvent (ethanol) was carried out via the sol-gel technique. Fe3O4 was further calcined at various temperatures (in the range of 500–700 °C) to evaluate the thermal stability of the Fe3O4 nanoporous oxidizer nanoparticles. The physicochemical properties of the samples were characterized through X-ray diffraction (XRD), atomic force microscopy (AFM), attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR), and UV–Visible spectroscopy techniques. XRD results revealed that the nanoparticles framework of Fe3O4 was maintained well up to 650 °C by the Fe dopant. UV–Vis results suggested that absorption property of combination Fe3O4/CNTs nanopowder by PLAL was enhanced and the band gap is reduced into 2.0 eV. Conclusions Density functional theory (DFT) studies emphasize the introduction of Fe+ and Fe2+ ions by replacing other ions in the CNT lattice, therefore creating oxygen vacancies. These further promoted anti-microbial efficiency. A significantly high bacterial inactivation that indicates results was evaluated and that the mean estimations of restraint were determined from triple assessment in every appraisal at 400 ml which represent the best anti-bacterial action against gram-positive and gram-negative microbes.

Objective: to determine the level of blood markers of cellular Human Cluster of Differentiation 147 (CD147) by ELISA assay. Immunological system, establishing the profile in patientsSARS-CoV-2 invades host cells via a novel route CD147-spike protein. Methods: a case-control study including 30 patients (10 female) with SARS-CoV-2 repertory disorder whose follow-up was carried out at the outpatient clinic of the intensive care unit Service at Al Hussain Hospital, southern of Iraq, Patients were divided into three subgroups based on the onset of symptoms within the first 6 days of the acute phase of disease subgroup A, subgroup B, and C. according to the type of drugs. Main systemic subgroup. Treatment group included 60 outpatients (25 female) being submitted to follow-up at the same hospital for non-inflammatory diseases. For determined the plasmatic levels of Human Cluster of Differentiation 147 (CD147), groups of S proteins Results: To start with, in vitro antiviral tests showed Meplazumab, infliximab and Etrolizumab an foe of CD147 adapted neutralizer, essentially hindered the infections from attacking host cells in comparison to controls, patients with presented concentrations of CD147 products (determined by plasmatic levels of S protein circulating in blood. Conclusion: our results indicate the presence of molecular SARS-CoV-2 invades respiratory cells determined by assay in patients which confirm a decrease in the defense capacity of the cellular system against toxicity induced by drugs in these patients.

This paper summarizes assessment biochemical markers of the development of hepatitis B viruses (HBV), in which any possible connection between certain biochemical parameters and chronic hepatitis was identified. Liver function tests are helpful in diagnosing liver disease and dysfunction, assessing severity, tracking treatment, and determining prognosis. According to the findings of biochemical studies, chronic patients have higher levels of ALP, GPT, GOT, and TSB than carriers. The rise in liver enzymes strongly indicates hepatocellular damage, despite the fact that ALP, GPT, GOT, and TSB levels in the carrier group were all within normal parameters as compared to the reference group. Testing liver function in terms of protein level, albumin, and globulin, the concentration of protein profiles in chronic patients is clearly decreasing as compared to the carrier group. In severe or long-lasting liver disease, the significant decreasing profile of serum proteins is evident in some conditions, the release of tumor necrosis factor hampers the synthesis of albumin, however, induce the synthesis of the acute phase response, hypoalbuminemia is multifactorial, while the hepatic synthesis of albumin is decreased in liver disease.

Background: a composite nanoparticles containing Titanium Dioxide are synthesized by pulsed laser ablation. oxide nanoparticles NPs have wide ranges of physical, chemical and biological properties. The main advantages In the present work, studying the characterization of colloid TiO2 NPs were synthesis by PLAL and investigated the antibacterial activity of colloidal TiO2NPs compared to the antibacterial activity of synthesized composite nanoparticles was tested against four different pathogen bacteria two-gram negative (Escherichia coli (E. coli), Klebsiella pneumoniae (K. pneumoniae )), institute of bioscience UPM university  kindly supplied these bacteria. The bacterial suspension was made and adjusted by comparison against 0.5 Mc-Farland turbidity typical (5x 107cell ml-1) tubes. It was further diluted to obtain a final of 5 x 106cell ml-1. All bacteria strains were culture in agar media. The media was inoculated by the 0.2 ml/5ml with either the bacteria strains, then added 0.5 ml of TiO2 nanoparticles at concentration200, 400,600 ml-1. The samples were incubated at 37 °C. The bacterial growth was measured by optical density that absorbs strongly at 532 nm wavelength. Conclusion that is the mean values of inhibition were calculated from triple evaluation in each assessment.

The sol-gel method was used to create N-doped TiO2. From the characterization results, it was found that N-doped TiO2 using Titanium(IV) ammonia solution and calcination tetraisopropoxide 600 K provided the most appropriate properties for acting as the photo catalyst can be use as inhibitor of GST. SEM, AFM and XRD results indicated that this N-doped TiO2 catalyst had high crystallinity because its titania precursor was simply hydrolyzed completely so no organic contents blocked initial phase construction. SEM and AFM results demonstrated that its surface morphology was spherical like fluffy powders. Moreover, with increasing calcination temperature, its anatase-to-rutile phase transformation was retarded by the incorporated nitrogen. Elemental Analysis and UV-Vis/DR results also suggested that nitrogen could be dormant in the TiO2 lattice with strong bonds, causing the effect on the band gap structure by adding energy states nearly valence band of TiO2. All of these properties enhanced the photocatalytic activity of N-doped TiO2 under visible light. Regarding the photocatalytic activity, N-doped TiO2 with ammonia solution of titanium(IV), calcinated 600 K Tetraisopropoxide succeeded in degrading glutathione-S-transferase (GST) enzymes, with the highest efficiency. However, its photocatalytic activity was drastically decreased when it was calcined at higher temperature. Additionally, the plausible mechanism was also proposed in case of photo degradation of antioxidant content based on two detected intermediates by The association between ln Co/C and photo degradation period (h).