Academic literature on the topic 'Metal complexes and nanoparticles'

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Journal articles on the topic "Metal complexes and nanoparticles"

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Bharadwaj, Namita, and Jaishri Kaushik. "Nano Synthesis and Characterization of Complex Derived from Silver Metal Conjugated with Midodrine Hydrochloride." Oriental Journal Of Chemistry 37, no. 1 (2021): 157–61. http://dx.doi.org/10.13005/ojc/370121.

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The stability constant Kf for the complexation of Ag(Ⅰ) metal ion with Midodrine hydrochloride were determinedby spectrophotometric method at room temperature .The colored complexes were measured at 300 nm. The stability constant of the complexes were found to be 5.47 by mole ratio method. The stoichiometry of the complexes formed between the Midodrine drug and Ag (Ⅰ) metal ion are 1:1 M/L ratio. Silver conjugated Midodrine hydrochloride Nano synthesized and characterized by UV/Visible spectroscopy, SEM, XRD and FT-IR. The UV/Visible spectra of Midodrine –Ag nanoparticle in the range of 322 nm
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Masilela, Nkosiphile, Edith Antunes, and Tebello Nyokong. "Axial coordination of zinc and silicon phthalocyanines to silver and gold nanoparticles: an investigation of their photophysicochemical and antimicrobial behavior." Journal of Porphyrins and Phthalocyanines 17, no. 06n07 (2013): 417–30. http://dx.doi.org/10.1142/s1088424613500016.

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This work reports on the axial coordination of zinc phthalocyanine and bis-(1,6-hexanedithiol) silicon phthalocyanine to silver and gold nanoparticles. Red shifting of absorption spectra of the phthalocyanine complexes was observed after conjugation with the nanoparticles. An improvement in the photophysicochemical behavior and antimicrobial activity was achieved in the presence of metal nanoparticles for both complexes. A decrease in triplet lifetimes was observed for all the phthalocyanine metal nanoparticle conjugates. The Zn phthalocyanine complex gave the highest triplet and singlet oxyge
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Bergamini, Giacomo, and Paola Ceroni. "Metal complexes and nanoparticles for energy upconversion." Dalton Transactions 47, no. 26 (2018): 8507–8. http://dx.doi.org/10.1039/c8dt90101e.

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4

Revaprasadu, N., and S. N. Mlondo. "Use of metal complexes to synthesize semiconductor nanoparticles." Pure and Applied Chemistry 78, no. 9 (2006): 1691–702. http://dx.doi.org/10.1351/pac200678091691.

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Research in materials with dimensions of the order of nanometers has made a huge impact on the scientific community in the past decade. Chemists play an important role in this area of research as they endeavor to prepare pure, crystalline, surface-derivatized nanoparticles, which can be processed in potential applications. This review describes some of the routes to nanoparticles with particular emphasis on the use of metal complexes in the preparation of high-quality nanoparticles. The synthesis of II/VI semiconductor nanoparticles such as CdSe, CdS, ZnS, and PbS using the single molecular pr
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Savita Belwal, Sujana Kariveda, Saritha Ramagiri, Swathi A, Shubham Kute, and Suryam Goud. "The anti-malignant activity of Macrotyloma uniflorum mediated green synthesized Cu and Zn metal-ligand nano complexes." International Journal of Research in Pharmaceutical Sciences 11, SPL4 (2020): 1573–80. http://dx.doi.org/10.26452/ijrps.v11ispl4.4340.

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The green biological route has been employed to convert macro-sized zinc and copper metal complexes into nano-sized metal complexes. These bioactive metal complexes were synthesized by template condensation process in the chemistry laboratory. The newly synthesized biologically active complexes were converted into nano range from phytochemical aqueous extract of Macrotyloma uniflorum (horse gram). Biologically converted nano complexes have been characterized by physicochemical as well as spectroscopic techniques such as UV-visible spectrophotometer and FTIR. The reduced Cu and Zn metal nanopar
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Zhou, Meng, Chenjie Zeng, Qi Li, Tatsuya Higaki, and Rongchao Jin. "Gold Nanoclusters: Bridging Gold Complexes and Plasmonic Nanoparticles in Photophysical Properties." Nanomaterials 9, no. 7 (2019): 933. http://dx.doi.org/10.3390/nano9070933.

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Recent advances in the determination of crystal structures and studies of optical properties of gold nanoclusters in the size range from tens to hundreds of gold atoms have started to reveal the grand evolution from gold complexes to nanoclusters and further to plasmonic nanoparticles. However, a detailed comparison of their photophysical properties is still lacking. Here, we compared the excited state behaviors of gold complexes, nanolcusters, and plasmonic nanoparticles, as well as small organic molecules by choosing four typical examples including the Au10 complex, Au25 nanocluster (1 nm me
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Ghavam, Mansureh, Dara Dastan, Elaheh Fadaei, and Gholamabbas Chehardoli. "Synthesis of Gadolinium Complexes Using Medicinal Plant Extracts." Avicenna Journal of Pharmaceutical Research 2, no. 2 (2021): 44–48. http://dx.doi.org/10.34172/ajpr.2021.09.

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Background: Gadolinium compounds are used as contrast enhancers in MRI imaging. Generally, free metal ions are not used in MRI imaging due to their toxicity. To reduce the toxicity of the free form of the metal, complexing agents are employed for making nanoparticles. Due to their low toxicity and natural abundance, plant extracts having potential to function as chelating agents are good alternatives for the formation of gadolinium nanoparticles. Methods: Aqueous extracts of five plant species, including Thymus daenensis Celak, Nepeta sessilifolia Bung, Crocus sativus L., Salvia hydrangea DC.
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Lastra, Ruben O., Tatjana Paunesku, Barite Gutama, et al. "Protein Binding Effects of Dopamine Coated Titanium Dioxide Shell Nanoparticles." Precision Nanomedicine 2, no. 4 (2019): 393–438. http://dx.doi.org/10.33218/prnano2(4).190802.1.

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Non-targeted nanoparticles are capable of entering cells, passing through different subcellular compartments and accumulating on their surface a protein corona that changes over time. In this study, we used metal oxide nanoparticles with iron-oxide core covered with titanium dioxide shell (Fe3O4@TiO2), with a single layer of covalently bound dopamine covering the nanoparticle surface. Mixing nanoparticles with cellular protein isolates showed that these nanoparticles can form complexes with numerous cellular proteins. The addition of non-toxic quantities of nano-particles to HeLa cell culture
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Alarcón-Correa, Mariana, Tung-Chun Lee, and Peer Fischer. "Dynamic Inclusion Complexes of Metal Nanoparticles Inside Nanocups." Angewandte Chemie International Edition 54, no. 23 (2015): 6730–34. http://dx.doi.org/10.1002/anie.201500635.

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Alarcón-Correa, Mariana, Tung-Chun Lee, and Peer Fischer. "Dynamic Inclusion Complexes of Metal Nanoparticles Inside Nanocups." Angewandte Chemie 127, no. 23 (2015): 6834–38. http://dx.doi.org/10.1002/ange.201500635.

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