Journal articles: 'Silver nitrate'

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&NA;. "Silver/silver nitrate." Reactions Weekly &NA;, no. 1420 (September 2012): 44. http://dx.doi.org/10.2165/00128415-201214200-00152.

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&NA;. "Silver nitrate." Reactions Weekly &NA;, no. 737 (February 1999): 11. http://dx.doi.org/10.2165/00128415-199907370-00039.

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&NA;. "Silver nitrate." Reactions Weekly &NA;, no. 453 (May 1993): 11. http://dx.doi.org/10.2165/00128415-199304530-00046.

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&NA;. "Silver nitrate." Reactions Weekly &NA;, no. 780 (December 1999): 12. http://dx.doi.org/10.2165/00128415-199907800-00031.

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&NA;. "Silver nitrate." Reactions Weekly &NA;, no. 404 (June 1992): 12. http://dx.doi.org/10.2165/00128415-199204040-00051.

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&NA;. "Silver nitrate." Reactions Weekly &NA;, no. 1078 (November 2005): 17. http://dx.doi.org/10.2165/00128415-200510780-00051.

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&NA;. "Silver nitrate." Reactions Weekly &NA;, no. 1277 (November 2009): 37. http://dx.doi.org/10.2165/00128415-200912770-00110.

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&NA;. "Silver nitrate." Reactions Weekly &NA;, no. 1245 (March 2009): 33. http://dx.doi.org/10.2165/00128415-200912450-00103.

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&NA;. "Silver nitrate." Reactions Weekly &NA;, no. 1252 (May 2009): 38. http://dx.doi.org/10.2165/00128415-200912520-00131.

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Godse, Neal R., Barton F. Branstetter, and Candace E. Hobson. "Silver Nitrate." Otology & Neurotology 40, no. 8 (September 2019): e850-e851. http://dx.doi.org/10.1097/mao.0000000000002348.

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Young, Jay A. "Silver Nitrate." Journal of Chemical Education 81, no. 9 (September 2004): 1259. http://dx.doi.org/10.1021/ed081p1259.

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12

Assoumatine, Tokouré, and Helen Stoeckli-Evans. "Silver(I) nitrate complexes of three tetrakis-thioether-substituted pyrazine ligands: metal–organic chain, network and framework structures." Acta Crystallographica Section E Crystallographic Communications 73, no. 3 (February 24, 2017): 434–40. http://dx.doi.org/10.1107/s2056989017002791.

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The reaction of the ligand 2,3,5,6-tetrakis[(methylsulfanyl)methyl]pyrazine (L1) with silver(I) nitrate led to {[Ag(C12H20N2S4)](NO3)}n, (I),catena-poly[[silver(I)-μ-2,3,5,6-tetrakis[(methylsulfanyl)methyl]pyrazine] nitrate], a compound with a metal–organic chain structure. The asymmetric unit is composed of two half ligands, located about inversion centres, with one ligand coordinating to the silver atoms in a bis-tridentate manner and the other in a bis-bidentate manner. The charge on the metal atom is compensated for by a free nitrate anion. Hence, the silver atom has a fivefold S3N2coordination sphere. The reaction of the ligand 2,3,5,6-tetrakis[(phenylsulfanyl)methyl]pyrazine (L2) with silver(I) nitrate, led to [Ag2(NO3)2(C32H28N2S4)]n, (II), poly[di-μ-nitrato-bis{μ-2,3,5,6-tetrakis[(phenylsulfanyl)methyl]pyrazine}disilver], a compound with a metal–organic network structure. The asymmetric unit is composed of half a ligand, located about an inversion centre, that coordinates to the silver atoms in a bis-tridentate manner. The nitrate anion coordinates to the silver atom in a bidentate/monodentate manner, bridging the silver atoms, which therefore have a sixfold S2NO3coordination sphere. The reaction of the ligand 2,3,5,6-tetrakis[(pyridin-2-ylsulfanyl)methyl]pyrazine (L3) with silver(I) nitrate led to [Ag3(NO3)3(C28H24N6S4)]n, (III), poly[trinitrato{μ6-2,3,5,6-tetrakis[(pyridin-2-ylsulfanyl)methyl]pyrazine}trisilver(I)], a compound with a metal–organic framework structure. The asymmetric unit is composed of half a ligand, located about an inversion centre, that coordinates to the silver atoms in a bis-tridentate manner. One pyridine N atom bridges the monomeric units, so forming a chain structure. Two nitrate O atoms also coordinate to this silver atom, hence it has a sixfold S2N2O2coordination sphere. The chains are linkedviaa second silver atom, located on a twofold rotation axis, coordinated by the second pyridine N atom. A second nitrate anion, also lying about the twofold rotation axis, coordinates to this silver atomviaan Ag—O bond, hence this second silver atom has a threefold N2O coordination sphere. In the crystal of (I), the nitrate anion plays an essential role in forming C—H...O hydrogen bonds that link the metal–organic chains to form a three-dimensional supramolecular structure. In the crystal of (II), the metal–organic networks (lying parallel to thebcplane) stack up thea-axis direction but there are no significant intermolecular interactions present between the layers. In the crystal of (III), there are a number of C—H...O hydrogen bonds present within the metal–organic framework. The role of the nitrate anion in the formation of the coordination polymers is also examined.

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Cati, Dilovan S., and Helen Stoeckli-Evans. "The silver(I) nitrate complex of the ligandN-(pyridin-2-ylmethyl)pyrazine-2-carboxamide: a metal–organic framework (MOF) structure." Acta Crystallographica Section E Crystallographic Communications 73, no. 4 (March 21, 2017): 535–38. http://dx.doi.org/10.1107/s2056989017003930.

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The reaction of silver(I) nitrate with the mono-substituted pyrazine carboxamide ligand,N-(pyridin-2-ylmethyl)pyrazine-2-carboxamide (L), led to the formation of the title compound with a metal–organic framework (MOF) structure, [Ag(C11H10N4O)(NO3)]n, poly[μ-nitrato-[μ-N-(pyridin-2-ylmethyl-κN)pyrazine-2-carboxamide-κN4]silver(I)]. The silver(I) atom is coordinated by a pyrazine N atom, a pyridine N atom, and two O atoms of two symmetry-related nitrate anions. It has a fourfold N2O2coordination sphere, which can be described as distorted trigonal–pyramidal. The ligands are bridged by the silver atoms forming–Ag–L–Ag–L–zigzag chains along thea-axis direction. The chains are arranged in pairs related by a twofold screw axis. They are linkedviathe nitrate anions, which bridge the silver(I) atoms in a μ2fashion, forming the MOF structure. Within the framework there are N—H...O and C—H...O hydrogen bonds present.

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Bogdanov, An A., S. V. Shmakov, N. A. Verlov, V. V. Klimenko, N. A. Knyazev, I. N. Terterov, and A. A. Bogdanov. "Investigation of the cytotoxicity of silver nitrate and silver-cysteine nanocomplexes." Journal of Physics: Conference Series 2086, no. 1 (December 1, 2021): 012108. http://dx.doi.org/10.1088/1742-6596/2086/1/012108.

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Abstract Currently, a large number of studies are devoted to the investigation of the antitumor activity of silver nanoparticles and compounds, one of which is silver nitrate. However, silver nitrate has systemic and local toxic effects. In this work, a method was proposed for the synthesis of non-metallic complexes that do not contain toxic nitrate ions, and the cytotoxicity of silver nitrate and silver-amino acid nanocomplexes was investigated.

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Vishnevetskii, D. V., A. R. Mekhtiev, S. D. Khizhnyak, and P. M. Pakhomov. "AN UNUSUAL SYSTEM BASED ON SULFUR-CONTAINING AMINO ACIDS AND SILVER SALTS: FROM SELF-ORGANIZATION TO APPLICATION PROSPECTS." http://eng.biomos.ru/conference/articles.htm 1, no. 19 (2021): 16–18. http://dx.doi.org/10.37747/2312-640x-2021-19-16-18.

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Reversible hydrogels containing silver nanoparticles stabilized by the amino acid L-cysteine in their volume were obtained. The silver salt that initiates gelation - nitrite, nitrate and acetate - affects the bioactive properties of the final material and various possibilities for its modification.

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Assoumatine, Tokouré, and Helen Stoeckli-Evans. "Silver(I) nitrate two-dimensional coordination polymers of two new pyrazinethiophane ligands: 5,7-dihydro-1H,3H-dithieno[3,4-b:3′,4′-e]pyrazine and 3,4,8,10,11,13-hexahydro-1H,6H-bis([1,4]dithiocino)[6,7-b:6′,7′-e]pyrazine." Acta Crystallographica Section E Crystallographic Communications 76, no. 4 (March 13, 2020): 539–46. http://dx.doi.org/10.1107/s205698902000362x.

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The two new pyrazineophanes, 5,7-dihydro-1H,3H-dithieno[3,4-b:3′,4′-e]pyrazine, C8H8N2S2, L1, and 3,4,8,10,11,13-hexahydro-1H,6H-bis([1,4]dithiocino)[6,7-b:6′,7′-e]pyrazine, C12H16N2S4, L2, both crystallize with half a molecule in the asymmetric unit; the whole molecules are generated by inversion symmetry. The molecule of L1, which is planar (r.m.s. deviation = 0.008 Å), consists of two sulfur atoms linked by a rigid tetra-2,3,5,6-methylenepyrazine unit, forming planar five-membered rings. The molecule of L2 is step-shaped and consists of two S–CH2–CH2–S chains linked by the central rigid tetra-2,3,5,6-methylenepyrazine unit, forming eight-membered rings that have twist-boat-chair configurations. In the crystals of both compounds, there are no significant intermolecular interactions present. The reaction of L1 with silver nitrate leads to the formation of a two-dimensional coordination polymer, poly[(μ-5,7-dihydro-1H,3H-dithieno[3,4-b;3′,4′-e]pyrazine-κ2 S:S′)(μ-nitrato-κ2 O:O′)silver(I)], [Ag(NO3)(C8H8N2S2)] n , (I), with the nitrato anion bridging two equivalent silver atoms. The central pyrazine ring is situated about an inversion center and the silver atom lies on a twofold rotation axis that bisects the nitrato anion. The silver atom has a fourfold AgO2S2 coordination sphere with a distorted shape. The reaction of L2 with silver nitrate also leads to the formation of a two-dimensional coordination polymer, poly[[μ33,4,8,10,11,13-hexahydro-1H,6H-bis([1,4]dithiocino)[6,7-b;6′,7′-e]pyrazine-κ3 S:S′:S′′](nitrato-κO)silver(I)], [Ag(NO3)(C12H16N2S4)] n , (II), with the nitrate anion coordinating in a monodentate manner to the silver atom. The silver atom has a fourfold AgOS3 coordination sphere with a distorted shape. In the crystals of both complexes, the networks are linked by C—H...O hydrogen bonds, forming supramolecular frameworks. There are additional C—H...S contacts present in the supramolecular framework of II.

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Ndebele, Nkosinobubelo, Joshua Edokpayi, John Odiyo, and James Smith. "Field Investigation and Economic Benefit of a Novel Method of Silver Application to Ceramic Water Filters for Point-Of-Use Water Treatment in Low-Income Settings." Water 13, no. 3 (January 25, 2021): 285. http://dx.doi.org/10.3390/w13030285.

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In this study, we report on field testing of ceramic water filters (CWFs) fabricated using a new method of silver application (using silver nitrate as a raw material) compared to conventionally manufactured CWFs (fabricated with silver nanoparticles). Both types of filters were manufactured at the PureMadi ceramic filter production facility in Dertig, South Africa. Thirty households received filters fabricated with silver nitrate (AgNO3), and ten of those households were given an extra filter fabricated with silver nanoparticles. Filter performance was quantified by measurement of total coliform and Escherichia coli (E. coli) removal and silver residual concentration in the effluent. Silver-nitrate CWFs had removal efficiencies for total coliforms and E. coli of 95% and 99%, respectively. A comparison of the performance of silver-nitrate and silver-nanoparticle filters showed that the different filters had similar levels of total coliform and E. coli removal, although the silver nitrate filters produced the highest average removal of 97% while silver nanoparticles filters recorded an average removal of 85%. Average effluent silver levels were below 10 ppb for the silver-nitrate and silver-nanoparticle filters, which was significantly below the Environmental Protection Agencies of the United States (EPA) and World Health Organization (WHO) secondary guidelines of 100 ppb. Silver-nitrate filters resulted in the lowest effluent silver concentrations, which could potentially increase the effective life span of the filter. A cost analysis shows that it is more economical to produce CWFs using silver nitrate due to a reduction in raw-material costs and reduced labor costs for production. Furthermore, the production of silver-nitrate filters reduces inhalation exposure of silver by workers. The results obtained from this study will be applied to improve the ceramic filtration technology as a point-of-use (POU) water treatment device and hence reduce health problems associated with microbial contamination of water stored at the household level.

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Westphal, Fernando Luiz, Mauro Canzian, Fabio Alessandro Pieri, Alfredo Coimbra Reichl, Paulo Manuel Pêgo-Fernandes, Luis Carlos Lima, and Valdir F. Veiga-Junior. "Pleurodesis Induction in Rats by Copaiba (Copaifera multijugaHayne) Oil." BioMed Research International 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/939738.

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This study aims to assess and compare copaiba oleoresin ofCopaifera multijugaand 0.5% silver nitrate for the induction of pleurodesis in an experimental model. Ninety-six male Wistar rats were divided into three groups: control (0.9% saline solution), copaiba (copaiba oil), and silver nitrate (0.5% silver nitrate). The substances were injected into the right pleural cavity and the alterations were observed macroscopically and microscopically at 24, 48, 72, and 504 h. The value of macroscopic alterations grade and acute inflammatory reaction grade means was higher in the 24 h copaiba group in relation to silver nitrate. Fibrosis and neovascularization means in the visceral pleura were higher in 504 h copaiba group in relation to the silver nitrate group. The grade of the alveolar edema mean was higher in the silver nitrate group in relation to the copaiba group, in which this alteration was not observed. The presence of bronchopneumonia was higher in the 24 h silver nitrate group (n = 4) in relation to the copaiba group (n = 0). In conclusion, both groups promoted pleurodesis, with better results in copaiba group and the silver nitrate group presented greater aggression to the pulmonary parenchyma.

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Baumbauer, Carol L., Payton J. Goodrich, Margaret E. Payne, Tyler Anthony, Claire Beckstoffer, Anju Toor, Whendee Silver, and Ana Claudia Arias. "Printed Potentiometric Nitrate Sensors for Use in Soil." Sensors 22, no. 11 (May 28, 2022): 4095. http://dx.doi.org/10.3390/s22114095.

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Plant-available nitrogen, often in the form of nitrate, is an essential nutrient for plant growth. However, excessive nitrate in the environment and watershed has harmful impacts on natural ecosystems and consequently human health. A distributed network of nitrate sensors could help to quantify and monitor nitrogen in agriculture and the environment. Here, we have developed fully printed potentiometric nitrate sensors and characterized their sensitivity and selectivity to nitrate. Each sensor comprises an ion-selective electrode and a reference electrode that are functionalized with polymeric membranes. The sensitivity of the printed ion-selective electrodes was characterized by measuring their potential with respect to a commercial silver/silver chloride reference electrode in varying concentrations of nitrate solutions. The sensitivity of the printed reference electrodes to nitrate was minimized with a membrane containing polyvinyl butyral (PVB), sodium chloride, and sodium nitrate. Selectivity studies with sulphate, chloride, phosphate, nitrite, ammonium, calcium, potassium, and magnesium showed that high concentrations of calcium can influence sensor behavior. The printed ion-selective and reference electrodes were combined to form a fully printed sensor with sensitivity of −48.0 ± 3.3 mV/dec between 0.62 and 6200 ppm nitrate in solution and −47 ± 4.1 mV/dec in peat soil.

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Hasson, Huda Abed, and Lateef Essa Alwan. "The Influencing Effect of Silver Nitrate Fillers on the hardness of Flexible Resin." Journal of Techniques 4, no. 2 (June 30, 2022): 62–68. http://dx.doi.org/10.51173/jt.v4i2.490.

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The development of polymer chemically produces alternative materials to polymethyl methacrylate, such as nylon, and epoxy resin, these resins are modified by thermoplastic process, and This Received The disadvantage of acrylic resin is the colonization of microorganism growth of fungi and candida adhesion. This study is designed to evaluate and compared the consequence of silver nitrate fillers reinforcement Accepted flexible acrylic hardness as one of the mechanical properties to find the effect of various concentrations. A (0.1and 0. 2) ml of the filler (silver nitrate) additive to the flexible acrylic. Forty five (45) specimens were prepared for testing in this study. The hardness test was used in this study. The sample of this test was divided into (3) groups (control group) and experimental groups as follows: Group A= (15) specimens without silver nitrate (Control group 0% silver nitrate). Group B= (15) specimens with (0.1 ml) silver nitrate. Group C= (15) specimens with (0.2 ml) silver nitrate. All control and test groups were processed; curred then finished and polished the specimens ready for testing. Shore A test against the concentration of silver nitrate the result of this study showed a high significant increase in the mean value of hardness for control groups to the silver nitrate compared with experimental groups.

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Kaplan, Ayse, and Hatice Mehtap Kutlu. "Investigation of Silver Nitrate on Cytotoxicity and Apoptosis in MCF7 Human Breast Carcinoma Cells." Asian Pacific Journal of Cancer Biology 5, no. 2 (June 12, 2020): 49–56. http://dx.doi.org/10.31557/apjcb.2020.5.2.49-56.

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Background: Metal compounds have been studied in vitro for many years and these compounds’s effects are shown on tumors. Anticancer potential of silver and silver metal compounds is investigated in these days. A study on the in vitro interactions of silver nitrate (AgNO3) with MCF7 human breast carcinoma cells was performed to detect cytotoxic effects which induce apoptotic pathways.Materials and Methods: The cytotoxicity of silver nitrate which administered on MCF7 cells was assessed by MTT assay. The apoptotic influences of silver nitrate (IC50: inhibition concentration) were determined using Annexin V-FITC/PI, JC-1, TUNEL paraffin embedded and confocal microscopy assays. Silver nitrate induced cytotoxicity and apoptosis in MCF7 cells. Results: In this work, we demonstrated that the inhibition of cell growth which is time and dose dependent in MCF7 cells for 24, 48 and 72 hours. The inhibition concentration of silver nitrate (IC50) was found as 10 µM in MCF7 cells for 72 hrs. The early/late apoptotic and necrotic changes which occured with silver nitrate (IC50: 10µM) administered, were analyzed in the MCF7 cells for 72 hrs. However, the reduced mitochondrial membrane activity (ΔΨmt) was observed by silver nitrate-treated (IC50: 10µM) in the MCF7 cells for 72 hrs. In addition to these ﬁndings, a variety of apoptotic structures were demonstrated on MCF7 cells for 72 hrs. Conclusions: The results suggest that silver nitrate could be attributed as chemotherapeutic agent for medical applications in breast cancer treatment.

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Zaeneldin, Ahmed, Chun-Hung Chu, and Ollie Yiru Yu. "Dental Pulp Response to Silver-Containing Solutions: A Scoping Review." Dentistry Journal 11, no. 5 (April 26, 2023): 114. http://dx.doi.org/10.3390/dj11050114.

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Dentists used silver-containing solutions for deep cavity disinfection before restoration. This review aims to identify the silver-containing solutions reported in the literature for deep cavity disinfection and summarize their effects on dental pulp. An extensive search was performed using the search words “(silver) AND (dental pulp OR pulp)” in ProQuest, PubMed, SCOPUS, and Web of Science to identify English publications on silver-containing solutions for cavity conditioning. The pulpal response to the included silver-containing solutions was summarized. The initial search identified 4112 publications and 14 publications met the inclusion criteria. Silver fluoride, silver nitrate, silver diamine nitrate, silver diamine fluoride, and nano-silver fluoride were used in deep cavities for antimicrobial purposes. Indirect silver fluoride application induced pulp inflammation and reparative dentine in most cases, and pulp necrosis in some cases. Direct silver nitrate application caused blood clots and a wide inflammatory band in the pulp, whilst indirect silver nitrate application caused hypoplasia in shallow cavities and partial pulp necrosis in deep cavities. Direct silver diamine fluoride application induced pulp necrosis, while indirect silver diamine fluoride application induced a mild inflammatory response and reparative dentine formation. No evidence of the dental pulpal response to silver diamine nitrate or nano-silver fluoride was available in the literature.

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Mutia, Aaron Andrew B., Rey Marc T. Cumba, Rey Y. Capangpangan, and Arnold C. Alguno. "Controlling the Particle Size and Absorption Spectra of Honey Mediated Green Synthesis of Silver Nanoparticles for Antibacterial Application." Journal of Biomimetics, Biomaterials and Biomedical Engineering 58 (August 19, 2022): 61–66. http://dx.doi.org/10.4028/p-83kcwf.

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Silver nanoparticles were synthesized using locally purchased honey and silver nitrate solution. This method provides a simplistic and straightforward approach to the formation of silver nanoparticles. The silver nanoparticles with varying amounts of silver nitrate solution were characterized using ultraviolet-visible spectroscopy and Fourier transform infrared spectroscopy. In addition, dynamic light scattering characterization was used to determine the average size and size distribution of silver nanoparticles. Experimental results revealed that varying the amount of silver nitrate solution can control the size and absorption spectra of silver nanoparticles. A large amount of silver nitrate solution will exhibit a peak in the higher wavelength. The shifting of the absorption peaks at 401, 406, 407, 408, and 409 nm are believed to be related to the wavelength of the surface plasmon resonance. Moreover, a larger amount of silver nitrate solution also results in an increasing size with 27.2, 57.9, and 63.4 nm as revealed in the size distribution via dynamic light scattering. This green synthesis method of silver nanoparticles will provide a cost-effective production as an alternative to commercial antibacterial agents.

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&NA;. "Silver sulfadiazine/cerium nitrate." Reactions Weekly &NA;, no. 1320 (September 2010): 39. http://dx.doi.org/10.2165/00128415-201013200-00137.

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Tysome, J. R., and R. C. Henry. "Silver nitrate suction cautery." Clinical Otolaryngology 32, no. 1 (February 2007): 75. http://dx.doi.org/10.1111/j.1365-2273.2007.01332.x.

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Perrin, D. D., W. L. F. Armarego, and D. R. Perrin. "Silver nitrate + ethanol = explosion." Journal of Chemical Education 63, no. 11 (November 1986): 1016. http://dx.doi.org/10.1021/ed063p1016.1.

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Gallivan, Gregory J. "Pleurodesis and Silver Nitrate." Chest 119, no. 5 (May 2001): 1624. http://dx.doi.org/10.1378/chest.119.5.1624.

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Williams, Craig M., and Lewis N. Mander. "Chromatography with silver nitrate." Tetrahedron 57, no. 3 (January 2001): 425–47. http://dx.doi.org/10.1016/s0040-4020(00)00927-3.

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McBride, T. J., B. Rand, and S. S. Dhillon. "THE "SILVER-NITRATE-OMA"." Hand Surgery 17, no. 01 (January 2012): 129–30. http://dx.doi.org/10.1142/s0218810412720136.

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This case report demonstrates and emphasises the unusual radiographic appearance of silver nitrate treatment in a 30-year-old patient, who subsequently underwent excision biopsy of a presumed potentially malignant lesion.

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Bew, Sean P., Glyn D. Hiatt-Gipson, Graham P. Mills, and Claire E. Reeves. "Efficient syntheses of climate relevant isoprene nitrates and (1R,5S)-(−)-myrtenol nitrate." Beilstein Journal of Organic Chemistry 12 (May 27, 2016): 1081–95. http://dx.doi.org/10.3762/bjoc.12.103.

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Here we report the chemoselective synthesis of several important, climate relevant isoprene nitrates using silver nitrate to mediate a ’halide for nitrate’ substitution. Employing readily available starting materials, reagents and Horner–Wadsworth–Emmons chemistry the synthesis of easily separable, synthetically versatile ‘key building blocks’ (E)- and (Z)-3-methyl-4-chlorobut-2-en-1-ol as well as (E)- and (Z)-1-((2-methyl-4-bromobut-2-enyloxy)methyl)-4-methoxybenzene has been achieved using cheap, ’off the shelf’ materials. Exploiting their reactivity we have studied their ability to undergo an ‘allylic halide for allylic nitrate’ substitution reaction which we demonstrate generates (E)- and (Z)-3-methyl-4-hydroxybut-2-enyl nitrate, and (E)- and (Z)-2-methyl-4-hydroxybut-2-enyl nitrates (‘isoprene nitrates’) in 66–80% overall yields. Using NOESY experiments the elucidation of the carbon–carbon double bond configuration within the purified isoprene nitrates has been established. Further exemplifying our ‘halide for nitrate’ substitution chemistry we outline the straightforward transformation of (1R,2S)-(−)-myrtenol bromide into the previously unknown monoterpene nitrate (1R,2S)-(−)-myrtenol nitrate.

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Clifford, Jared. "Silver Nitrate Interpreted as Osseous Pathology on Radiographs." Journal of the American Podiatric Medical Association 106, no. 6 (November 1, 2016): 430–32. http://dx.doi.org/10.7547/15-063.

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Silver nitrate is often used topically for hemostasis. When radiography is performed after the application of silver nitrate, an artifact appears on the radiograph that may be mistaken for an abnormal calcification or a foreign body. The patients in the following two cases were treated with topical silver nitrate. In each case, radiographs taken after treatment seemed to demonstrate abnormal soft-tissue calcifications in the area of silver nitrate application. Subsequent clinical examination revealed no calcifications, and it was determined that the abnormal radiographic findings were silver nitrate artifacts. Although this phenomenon has been described in the medical literature, misdiagnosis still occurs and could potentially lead to additional imaging or unnecessary procedures.

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Gutmańska, Karolina, Anna Ciborska, Zbigniew Hnatejko, and Anna Dołęga. "Nitrate and nitrite silver complexes with weakly coordinating nitriles." Polyhedron 220 (July 2022): 115831. http://dx.doi.org/10.1016/j.poly.2022.115831.

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Tsepina, N. I., S. I. Kolesnikov, T. V. Minnikova, A. N. Timoshenko, and K. Sh Kazeev. "Сomparative Assessment of the Ecotoxicity of Four Chemical Forms of Silver by the Enzymatic Activity of the Soil." UNIVERSITY NEWS. NORTH-CAUCASIAN REGION. NATURAL SCIENCES SERIES, no. 4-2 (216-2) (January 18, 2023): 118–24. http://dx.doi.org/10.18522/1026-2237-2022-4-2-118-124.

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The study assessed the ecotoxicity of four chemical compounds of silver (nitrate, oxide, sulfide, nanoparticles) by the enzymatic activity of ordinary carbonate chernozem. The effect of nitrate, oxide, sulfide and silver nanoparticles at concentrations of 0.5, 1, 5, 10, 50 and 100 mg/kg on catalase and dehydrogenase activity was evaluated 30 days after contamination. In most cases, the negative effect of nitrate, oxide, sulfide and silver nanoparticles on the enzymatic activity of ordinary carbonate chernozem was noted. The degree of ecotoxicity of silver is affected by its concentration in the soil. Silver nitrate, which is highly soluble in water and provides greater mobility of silver in the soil, has a somewhat greater ecotoxicity. Practically insoluble forms in water (oxide and sulfide) showed slightly less negative effects. As a result of the study, the ecotoxicity series of four chemical compounds of silver were obtained by enzymatic activity: in % of the control by catalase activity (% of the control): nitrate (90) = nanoparticles (90) > sulfide (91) > oxide (92); by dehydrogenases activity (% of control): nitrate (80) > nanoparticles (81) > sulfide (83) ≥ oxide (83).

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Lloyd, Simon, John Almeyda, Riccardo Di Cuffa, and Ketan Shah. "The Effect of Silver Nitrate on Nasal Septal Cartilage." Ear, Nose & Throat Journal 84, no. 1 (January 2005): 41–44. http://dx.doi.org/10.1177/014556130508400115.

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Epistaxis from the anterior septum is frequently treated with a topical application of silver nitrate, which cauterizes the bleeding vessel. However, this treatment causes a septal perforation in a small percentage of patients. We report our study of the histologic effect of topical silver nitrate on samples of septal tissue obtained from 11 patients. We found that 30 seconds of exposure allowed silver nitrate to penetrate to a depth of approximately 1 mm. Longer exposure (45 and 60 sec) resulted in no significant additional penetration. Similarly, the amount of silver nitrate deposition into the chondrocytic lacunae did not vary significantly with the length of exposure. On the other hand, the depth of deposition into the extracellular matrix was positively associated with the duration of exposure. We found no direct evidence that silver nitrate exerted any damaging effect on septal cartilage. Instead, the development of septal perforations in patients who receive topical silver nitrate may be attributable to necrosis of the septal cartilage following damage to the overlying perichondrium, from which it derives its blood supply.

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Vargas, Francisco S., Leila Antonangelo, Marcelo A. C. Vaz, Evaldo Marchi, Vera Luiza Capelozzi, Eduardo H. Genofre, and Lisete R. Teixeira. "Pleurodesis induced by intrapleural injection of silver nitrate or talc in rabbits: can it be used in humans?" Jornal de Pneumologia 29, no. 2 (April 2003): 57–63. http://dx.doi.org/10.1590/s0102-35862003000200003.

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OBJECTIVE: To evaluate the pleuropulmonary alterations caused by intrapleural injection of silver nitrate or talc in an experimental model, in order to consider its use in human beings. METHOD: 112 rabbits were randomly selected to receive intrapleural 0.5% silver nitrate or 400 mg/kg talc slurry in 2 ml saline. Eight rabbits of each group were sacrificed after 1, 2, 4, 6, 8, 10, or 12 months. Regarding the pleural cavity, the degree of macroscopic pleurodesis (adherences) and microscopic alterations, represented by inflammation and pleural fibrosis, were analyzed. The parenchyma was evaluated regarding the degree of alveolar collapse, intra-alveolar septum edema, and cellularity, on a 0 to 4 scale. RESULTS: Intrapleural injection of silver nitrate produced earlier and more intense pleurodesis than talc slurry injection. The parenchymal damage was more evident with silver nitrate, considered as moderate, and limited to the first evaluation (after one month). From the second month on and throughout the entire one-year follow-up, the parenchymal damage was similar with both substances, only the pleural adherences were more intense with silver nitrate. CONCLUSIONS: Intrapleural silver nitrate produces better and longer-lasting than intrapleural talc injection. The parenchymal alterations, although discreet, are more pronounced when silver nitrate is used, but minimal after two months, and similar to those produced by talc injection during the entire one-year observation period. These effects on the pulmonary parenchyma do not contraindicate the use in humans. Thus, the use of intrapleural silver nitrate to produce fast and effective pleurodesis can be considered in patients in which pleural cavity symphysis is desired.

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Meade, Rhiana D., Anna L. Murray, Anjuliee M. Mittelman, Justine Rayner, and Daniele S. Lantagne. "Accuracy, precision, usability, and cost of portable silver test methods for ceramic filter factories." Journal of Water and Health 15, no. 1 (October 25, 2016): 72–82. http://dx.doi.org/10.2166/wh.2016.156.

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Locally manufactured ceramic water filters are one effective household drinking water treatment technology. During manufacturing, silver nanoparticles or silver nitrate are applied to prevent microbiological growth within the filter and increase bacterial removal efficacy. Currently, there is no recommendation for manufacturers to test silver concentrations of application solutions or filtered water. We identified six commercially available silver test strips, kits, and meters, and evaluated them by: (1) measuring in quintuplicate six samples from 100 to 1,000 mg/L (application range) and six samples from 0.0 to 1.0 mg/L (effluent range) of silver nanoparticles and silver nitrate to determine accuracy and precision; (2) conducting volunteer testing to assess ease-of-use; and (3) comparing costs. We found no method accurately detected silver nanoparticles, and accuracy ranged from 4 to 91% measurement error for silver nitrate samples. Most methods were precise, but only one method could test both application and effluent concentration ranges of silver nitrate. Volunteers considered test strip methods easiest. The cost for 100 tests ranged from 36 to 1,600 USD. We found no currently available method accurately and precisely measured both silver types at reasonable cost and ease-of-use, thus these methods are not recommended to manufacturers. We recommend development of field-appropriate methods that accurately and precisely measure silver nanoparticle and silver nitrate concentrations.

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Szécsényi, Katalin Mészáros, and István J. Zsigrai. "emf Studies of silver nitrate-potassium nitrate melts." Electrochimica Acta 37, no. 1 (January 1992): 91–95. http://dx.doi.org/10.1016/0013-4686(92)80016-f.

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Schardey, A., J. Richter, and H. A. Øye. "Viscosity of Potassium Nitrate + Silver Nitrate Melt Mixtures." Berichte der Bunsengesellschaft für physikalische Chemie 92, no. 1 (January 1988): 64–68. http://dx.doi.org/10.1002/bbpc.198800013.

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Tay, F. R., D. H. Pashley, and M. Yoshiyama. "Two Modes of Nanoleakage Expression in Single-step Adhesives." Journal of Dental Research 81, no. 7 (July 2002): 472–76. http://dx.doi.org/10.1177/154405910208100708.

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Self-etch adhesives that etch, prime, and bond simultaneously should not exhibit incomplete resin infiltration within hybrid layers. We hypothesized that nanoleakage patterns in these systems are artifacts caused by mineral dissolution in mildly acidic silver nitrate. Resin-dentin interfaces bonded with four single-step, self-etch adhesives were examined for nanoleakage by conventional (pH 4.2) and basic ammoniacal (pH 9.5) silver nitrate and prepared for transmission electron microscopy. All adhesives exhibited a reticular mode of nanoleakage within hybrid layers when conventional silver nitrate was used. With ammoniacal silver nitrate, an additional spotted pattern of nanoleakage was observed within adhesive and hybrid layers. The reticular mode of nanoleakage in self-etch adhesives probably represents sites of incomplete water removal that leads to regional suboptimal polymerization. The spotted pattern identified with the use of ammoniacal silver nitrate probably represents potentially permeable regions in the adhesive and hybrid layers that result from the interaction of the basic diamine silver ions with acidic/hydrophilic resin components.

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Kristiansson, Olof. "Bis(4-aminopyridine)silver(I) nitrate and tris(2,6-diaminopyridine)silver(I) nitrate." Acta Crystallographica Section C Crystal Structure Communications 56, no. 2 (February 15, 2000): 165–67. http://dx.doi.org/10.1107/s0108270199014432.

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Lippsmeyer, Brian C., Mark L. Tracy, and Gregory MÖLLER. "Ion-Exchange Liquid Chromatographic Determination of Nitrate and Nitrite in Biological Fluids." Journal of AOAC INTERNATIONAL 73, no. 3 (May 1, 1990): 457–62. http://dx.doi.org/10.1093/jaoac/73.3.457.

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Abstract A rapid, ion-exchange liquid chromatographic method for the determination of nitrate and nitrite In biological fluids is presented. Samples are deprotelnated by ultrafiltration followed by removal of chloride using a silver form cationexchange resin. Nitrate and nitrite are measured by Ionexchange liquid chromatography with conductivity detection. Recoveries from serum, ocular fluid, and water were determined for fortifications from 10 to 150 mg/L. Average recoveries ranged from 96 to 104% for nitrate and from 89 to 105% for nitrite. Pooled RSD values ranged between 1.5 and 1.9% for these analytes In all matrixes examined. The method of Joint confidence hexagons was applied to the data to determine constant and relative bias of the method for each of the 3 matrixes in the study

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Tsepina, Natalia, Sergey Kolesnikov, Tatyana Minnikova, Alena Timoshenko, and Kamil Kazeev. "Assessment of the ecotoxicity of silver chemical compounds by indicators of phytotoxicity of ordinary chernozem." АгроЭкоИнфо 5, no. 53 (October 30, 2022): 35. http://dx.doi.org/10.51419/202125535.

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The study assessed the ecotoxicity of various chemical compounds of silver (nitrate, oxide, sulfide, nanoparticles) by indicators of phytotoxicity of ordinary chernozem. The effect of nitrate, oxide, sulfide and silver nanoparticles in concentrations of 0.5; 1; 5; 10; 50 and 100 mg/kg of ordinary chernozem on the germination and length of radish roots 30 days after contamination was evaluated. In most cases, a negative effect of silver chemical compounds on phytotoxic indicators of ordinary chernozem was noted. The degree of ecotoxicity of silver is affected by its concentration in the soil. Silver nitrate, which is highly soluble in water and provides greater mobility of silver in the soil in the form of Ag2+, has a somewhat greater ecotoxicity. Practically insoluble in water forms showed slightly less negative impact. According to the germination of radish, a number of toxicity of chemical compounds (% of control) has been compiled: nitrate (84) > sulfide (87) > oxide (88) > nanoparticles (91); according to the length of the radish roots, a number of toxicity of chemical compounds of silver (% of the control) has been compiled: nitrate (90) > oxide (95) ≥ nanoparticles (95) ≥ sulfide (95). Keywords: SOIL, NITRATE, OXIDE, SULFIDE, NANOPARTICLES, GERMINATION, ROOT LENGTH, CONTAMINATION

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Mahdi, Assiss Prof Dr Sabiha Mahdi, and Dr Firas Abd K. Abd K. "Effect of silver nitrate on some mechanical properties of heat polymerizing acrylic resins." Mustansiria Dental Journal 14, no. 1 (January 4, 2019): 110. http://dx.doi.org/10.32828/mdj.v14i1.768.

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Aim: The aimed study was to evaluate the influence of silver nitrate on surfacehardness and tensile strength of acrylic resins.Materials and methods: A total of 60 specimens were made from heat polymerizingresins. Two mechanical tests were utilized (surface hardness and tensile strength)and 4 experimental groups according to the concentration of silver nitrate used.The specimens without the use of silver nitrate were considered as control. Fortensile strength, all specimens were subjected to force till fracture. For surfacehardness, the specimens were tested via a durometer hardness tester. Allspecimens data were analyzed via ANOVA and Tukey tests.Results: The addition of silver nitrate to acrylic resins reduced significantly thetensile strength. Statistically, highly significant differences were found among allgroups (P≤0.001). Also, the difference between control and experimental groupswas highly significant (P≤0.001). For surface hardness, the silver nitrate improvedthe surface hardness of acrylics. Highly significant differences were statisticallyobserved between control and 900 ppm group (P≤0.001); and among all groups(P≤0.001)with exception that no significant differences between control and150ppm; and between 150ppm and 900ppm groups(P>0.05).Conclusion: The addition of silver nitrate to acrylics reduced significantly the tensilestrength and improved slightly the surface hardness.

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Maha Mohammed Ibrahim, Awatif Saber Jasim, and Hadeel Abdul Hadi Omair. "Study of the Topography and Optical Properties of The Silver Nitrate Nanoparticle Compound." Tikrit Journal of Pure Science 25, no. 4 (August 2, 2020): 86–90. http://dx.doi.org/10.25130/tjps.v25i4.276.

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The paper aims to study the structural and optical properties of the pressed silver nitrate nanoparticle compound, and know its advantages after pressing. When studying topography of surface the nanoparticle silver nitrate compound through AFM, and studying the optical properties of its solution through the UV for UV device has this working Mechanism, the highest absorbance we obtained was only at the wavelength of 301nm is, that is, within the visible spectrum (300-700) nm. By studying the topography of silver nitrate we note surface smoothing and optical properties of the silver nitrate nanoparticle solution, we conclude that the wavelength of the substance is little, i.e. its energy is high (the absorption energy), Therefore, it is used in the field of medical treatments, and deep wounds sterilization. To increase the efficiency of the silver nitrate compound, it can be converted into a Nano compound by grinding, and pressing.

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Pormohammad, Ali, and Raymond J. Turner. "Silver Antibacterial Synergism Activities with Eight Other Metal(loid)-Based Antimicrobials against Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus." Antibiotics 9, no. 12 (November 28, 2020): 853. http://dx.doi.org/10.3390/antibiotics9120853.

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The present study surveys potential antibacterial synergism effects of silver nitrate with eight other metal or metalloid-based antimicrobials (MBAs), including silver nitrate, copper (II) sulfate, gallium (III) nitrate, nickel sulfate, hydrogen tetrachloroaurate (III) trihydrate (gold), aluminum sulfate, sodium selenite, potassium tellurite, and zinc sulfate. Bacteriostatic and bactericidal susceptibility testing explored antibacterial synergism potency of 5760 combinations of MBAs against three bacteria (Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus) in three different media. Silver nitrate in combination with potassium tellurite, zinc sulfate, and tetrachloroaurate trihydrate had remarkable bactericidal and bacteriostatic synergism effects. Synergism properties of MBAs decreased effective antibacterial concentrations remarkably and bacterial cell count decreased by 8.72 log10 colony-forming units (CFU)/mL in E. coli, 9.8 log10 CFU/mL in S. aureus, and 12.3 log10 CFU/mL in P. aeruginosa, compared to each MBA alone. Furthermore, most of the MBA combinations inhibited the recovery of bacteria; for instance, the combination of silver nitrate–tetrachloroaurate against P. aeruginosa inhibited the recovery of bacteria, while three-fold higher concentration of silver nitrate and two-fold higher concentration of tetrachloroaurate were required for inhibition of recovery when used individually. Overall, higher synergism was typically obtained in simulated wound fluid (SWF) rather than laboratory media. Unexpectedly, the combination of A silver nitrate–potassium tellurite had antagonistic bacteriostatic effects in Luria broth (LB) media for all three strains, while the combination of silver nitrate–potassium tellurite had the highest bacteriostatic and bactericidal synergism in SWF. Here, we identify the most effective antibacterial MBAs formulated against each of the Gram-positive and Gram-negative pathogen indicator strains.

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Qasim Hussein, Thaer Al Baqer, and Rajaa Radhi Kashash. "Investigating the possibility of treating Serratia marcescens with an antibioticresistant mixture containing nanoparticles using AgNPs as a new type of antimicrobial: An experimental study." Journal of the Pakistan Medical Association 73, no. 9 (October 6, 2023): S129—S132. http://dx.doi.org/10.47391/jpma.iq-27.

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Objective: To explore the possibility of treating serratia marcescens with an antibiotic-resistant mixture containingsilver nanoparticles.Method: The experimental study was conducted at the Bacteriology Laboratory of Ibn Al-Baladi Hospital, Baghdad,Iraq, from December 2021 to April 2022, and comprised human urine samples, a wound sample from local chickens,and respiratory secretions from pigeons. The isolates were kept on a brain-heart infusion medium with glycerol. Theirresponse to antibiotics with different concentrations of 9% and 7% silver nanoparticles were checked. To optimisefactors for the effect of silver nanoparticles, incubation time, temperature and silver nitrate concentration were thethree parameters used. Disc diffusion method was used to evaluate the antibacterial activity of silver nitrate againstserratia. The inhibitory zone developed was measured. Clinical and Laboratory Standards Institute’s guidelines werefollowed.Result: Optimal silver nitrate concentration was 9%, and 37°C temperature and incubation time 24h was needed forsilver nanoparticle production. Silver nanoparticle had 100% antibacterial activity.Conclusion: Nanoparticles were found to have the potential to become a viable therapeutic option.Keywords: Silver nitrate, Serratia marcescens, Nanoparticles, Temperature, Biocompatible, Silver, Anti-infective.

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von Dollen, James, Sofia Oliva, Sarah Max, and Jennifer Esbenshade. "Recovery of Silver Nitrate from Silver Chloride Waste." Journal of Chemical Education 95, no. 4 (February 15, 2018): 682–85. http://dx.doi.org/10.1021/acs.jchemed.7b00713.

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Acanski, Marijana, Sladjana Savatovic, and Mira Radic. "Gravimetric and volumetric determination of the purity of electrolytically refined silver and the produced silver nitrate." Chemical Industry 61, no. 1 (2007): 23–32. http://dx.doi.org/10.2298/hemind0701023a.

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Silver is, along with gold and the platinum-group metals, one of the so called precious metals. Because of its comparative scarcity, brilliant white color, malleability and resistance to atmospheric oxidation, silver has been used in the manufacture of coins and jewelry for a long time. Silver has the highest known electrical and thermal conductivity of all metals and is used in fabricating printed electrical circuits, and also as a coating for electronic conductors. It is also alloyed with other elements such as nickel or palladium for use in electrical contacts. The most useful silver salt is silver nitrate, a caustic chemical reagent, significant as an antiseptic and as a reagent in analytical chemistry. Pure silver nitrate is an intermediate in the industrial preparation of other silver salts, including the colloidal silver compounds used in medicine and the silver halides incorporated into photographic emulsions. Silver halides become increasingly insoluble in the series: AgCl, AgBr, AgI. All silver salts are sensitive to light and are used in photographic coatings on film and paper. The ZORKA-PHARMA company (Sabac, Serbia) specializes in the production of pharmaceutical remedies and lab chemicals. One of its products is chemical silver nitrate (argentum-nitricum) (l). Silver nitrate is generally produced by dissolving pure electrolytically refined silver in hot 48% nitric acid. Since the purity of silver nitrate, produced in 2002, was not in compliance with the p.a. level of purity, there was doubt that the electrolytically refined silver was pure. The aim of this research was the gravimetric and volumetric determination of the purity of electrolytically refined silver and silver nitrate, produced industrially and in a laboratory. The purity determination was carried out gravimetrically, by the sedimentation of silver(I) ions in the form of insoluble silver salts: AgCl, AgBr and Agi, and volumetrically, according to Mohr and Volhardt. The purity of electrolytically refined silver obtained volumetrically, according to Volhard, was 99.49%. The results suggest that the purity of electrolytically refined silver was higher than 99%. After all of these determinations, the purity of electrolytically refined silver was examined by atomic absorption spectrometry and the results confirmed that the purity of electrolytically refined silver was 99.99%. Electrolytically refined silver contained other metals: Mn, Cu, Fe, Zn, Pb, Cd, and the contents of these metals were: 1.15 ppm; 0.75 ppm; 0.65 ppm; 1.82 ppm; < 0.07 ppm and < 0.01 ppm, respectively.

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Solidum, Ruelson S., Arnold C. Alguno, and Rey Capangpangan. "Controlling the Surface Plasmon Absorption of Silver Nanoparticles via Green Synthesis Using Pennisetum purpureum Leaf Extract." Key Engineering Materials 772 (July 2018): 73–77. http://dx.doi.org/10.4028/www.scientific.net/kem.772.73.

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We report on the green synthesis of silver nanoparticles utilizing theP.purpureumleaf extract. Controlling the surface plasmon absorption of silver nanoparticles was achieved by regulating the amount of extract concentration and the molarity of silver nitrate solution. The surface plasmon absorption peak is found at around 430nm. The surface plasmon absorption peak have shifted to lower wavelength as the amount of extract is increased, while plasmon absorption peak shifts on a higher wavelength as the concentration of silver nitrate is increased before it stabilized at 430nm. This can be explained in terms of the available nucleation sites promoted by the plant extract as well as the available silver ions present in silver nitrate solution.

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El Badrawy, Mohammad K., Raed El-Metwally Ali, Asem A. Hewidy, Mohamed A. El-Layeh, Fatma M. F. Akl, and Abdelhadi Shebl. "Efficacy and safety of intrapleural cisplatin versus silver nitrate in treatment of malignant pleural effusion." Egyptian Journal of Bronchology 12, no. 1 (January 12, 2018): 98–104. http://dx.doi.org/10.4103/ejb.ejb_39_17.

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Abstract Introduction Malignant pleural effusion is a frequent problem. Pleurodesis is performed to prevent its recurrence. New, effective, and safe sclerosing agents are needed. Aim The aim of this was to compare efficacy and safety of silver nitrate solution 0.5% versus cisplatin in achievement of pleurodesis in malignant pleural effusion. Patients and methods Prospective randomized single-blinded clinical trial performed at Chest, Clinical Oncology and Nuclear Medicine and Pathology Departments, Mansoura University, from February 2016 to March 2017. A total of 60 patients (26 male and 34 female) with malignant pleural effusion were divided into two groups: first group included 30 patients who were managed with silver nitrate pleurodesis, and second group included 30 patients who were managed by intrapleural cisplatin injection. The success rate of pleurodesis was considered if there was no clinical or radiological recurrence of effusion for 1 month after intervention. Results There were significant improvements in cough, chest pain, and dyspnea in the two groups after 1 month versus that before pleurodesis. The success rate of pleurodesis in silver nitrate group was 90 versus 76.7% in cisplatin group, without significant difference (P=0.166). Chest pain was reported in 26.7% in silver nitrate group and 13.3% in cisplatin group, and fever was reported in 33.3% in silver nitrate group and 20.0% in cisplatin group. Recurrence was reported in 10% in silver nitrate group and in 23.3% in cisplatin group. Conclusion Silver nitrate and cisplatin were nearly equally effective, safe, and less expensive agents in achievement of pleurodesis in patients with malignant effusion with high success rate and low complications.

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Journal articles on the topic 'Silver nitrate'

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