Journal articles on the topic 'Free gold'
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Andreescu, Daniel, Tapan Kumar Sau, and Dan V. Goia. "Stabilizer-free nanosized gold sols." Journal of Colloid and Interface Science 298, no. 2 (June 2006): 742–51. http://dx.doi.org/10.1016/j.jcis.2006.01.011.
Full textJin, Yongdong, and Xiaohu Gao. "Spectrally Tunable Leakage-Free Gold Nanocontainers." Journal of the American Chemical Society 131, no. 49 (December 16, 2009): 17774–76. http://dx.doi.org/10.1021/ja9076765.
Full textAppel, Peter Wiltje Uitterdijk, and Leoncio Degay Na-Oy. "Mercury-Free Gold Extraction Using Borax for Small-Scale Gold Miners." Journal of Environmental Protection 05, no. 06 (2014): 493–99. http://dx.doi.org/10.4236/jep.2014.56052.
Full textToktar, G., A. K. Koizhanova, D. R. Magomedov, N. N. Abdyldaev, and A. N. Bakraeva. "Increased recovery of free fine gold in the leaching process." Kompleksnoe Ispolʹzovanie Mineralʹnogo syrʹâ/Complex Use of Mineral Resources/Mineraldik Shikisattardy Keshendi Paidalanu 322, no. 3 (May 2, 2022): 51–58. http://dx.doi.org/10.31643/2022/6445.28.
Full textLi, Cheng Chao, Li Bao Chen, Qiu Hong Li, and Tai Hong Wang. "Seed-free, aqueous synthesis of gold nanowires." CrystEngComm 14, no. 22 (2012): 7549. http://dx.doi.org/10.1039/c2ce25726b.
Full textLemasters, Robert, Cheng Zhang, Manoj Manjare, Wenqi Zhu, Junyeob Song, Sergei Urazhdin, Henri J. Lezec, Amit Agrawal, and Hayk Harutyunyan. "Ultrathin Wetting Layer-Free Plasmonic Gold Films." ACS Photonics 6, no. 11 (October 3, 2019): 2600–2606. http://dx.doi.org/10.1021/acsphotonics.9b00907.
Full textWang, Xuelu, Chunyang Wang, Chunjin Chen, Huichao Duan, and Kui Du. "Free-standing Monatomic Thick Two-dimensional Gold." Nano Letters 19, no. 7 (June 24, 2019): 4560–66. http://dx.doi.org/10.1021/acs.nanolett.9b01494.
Full textReilly, Samantha M., Thomas Krick, and Amala Dass. "Surfactant-free Synthesis of Ultrasmall Gold Nanoclusters." Journal of Physical Chemistry C 114, no. 2 (December 23, 2009): 741–45. http://dx.doi.org/10.1021/jp9067944.
Full textSolorio-Alvarado, César R., and Antonio M. Echavarren. "Gold-Catalyzed Annulation/Fragmentation: Formation of Free Gold Carbenes by Retro-Cyclopropanation." Journal of the American Chemical Society 132, no. 34 (September 2010): 11881–83. http://dx.doi.org/10.1021/ja104743k.
Full textAlemayehu, Abraham B., and Abhik Ghosh. "Gold corroles." Journal of Porphyrins and Phthalocyanines 15, no. 02 (February 2011): 106–10. http://dx.doi.org/10.1142/s1088424611003045.
Full textAppel, Peter W. U., Astrid Andersen, Leoncio D. Na-Oy, and Rudy Onos. "Introduction of Mercury-free Gold Extraction Methods to Medium-Scale Miners and Education of Health Care Providers to Reduce the use of Mercury in Sorata, Bolivia." Journal of Health and Pollution 5, no. 9 (December 1, 2015): 12–17. http://dx.doi.org/10.5696/2156-9614-5-9.12.
Full textSchmidbaur, Hubert, and Annette Schier. "Silver-free Gold(I) Catalysts for Organic Transformations." Zeitschrift für Naturforschung B 66, no. 4 (April 1, 2011): 329–50. http://dx.doi.org/10.1515/znb-2011-0401.
Full textZhang, Qiang, Biao Zang, and Shaozhen Wang. "Surfactant-free synthesis of porous Au by a urea complex." RSC Advances 9, no. 40 (2019): 23081–85. http://dx.doi.org/10.1039/c9ra04372a.
Full textSchoner, Claudia, André Tuchscherer, Thomas Blaudeck, Stephan F. Jahn, Reinhard R. Baumann, and Heinrich Lang. "Particle-free gold metal–organic decomposition ink for inkjet printing of gold structures." Thin Solid Films 531 (March 2013): 147–51. http://dx.doi.org/10.1016/j.tsf.2013.01.027.
Full textElbra, Ainsley. "Fool’s Gold: Business Power and the Evolution of the Conflict‐free Gold Standard." Global Policy 11, no. 3 (March 11, 2020): 336–46. http://dx.doi.org/10.1111/1758-5899.12804.
Full textSolorio-Alvarado, Cesar R., and Antonio M. Echavarren. "ChemInform Abstract: Gold-Catalyzed Annulation/Fragmentation: Formation of Free Gold Carbenes by Retrocyclopropanation." ChemInform 42, no. 6 (January 13, 2011): no. http://dx.doi.org/10.1002/chin.201106112.
Full textStoffersen, Birgitte, Rasmus Køster-Rasmussen, Jorge Ivan Contreras Cardeño, Peter W. U. Appel, Margrethe Smidth, Leoncio D. Na-Oy, Debbie Libua Lardizabal, and Rudy W. Onos. "Comparison of Gold Yield with Traditional Amalgamation and Direct Smelting in Artisanal Small-Scale Gold Mining in Uganda." Journal of Health and Pollution 9, no. 24 (November 27, 2019): 191205. http://dx.doi.org/10.5696/2156-9614-9.24.191205.
Full textRazmakhnin, KK, and PA Vasiljuk. "Technological and environmental features of heap leaching of Delmachik gold-bearing ores deposit." IOP Conference Series: Earth and Environmental Science 991, no. 1 (February 1, 2022): 012044. http://dx.doi.org/10.1088/1755-1315/991/1/012044.
Full textGomes, Axel, Jose M. Carnerero, Aila Jimenez-Ruiz, Elia Grueso, Rosa M. Giráldez-Pérez, and Rafael Prado-Gotor. "Lysozyme–AuNPs Interactions: Determination of Binding Free Energy." Nanomaterials 11, no. 8 (August 22, 2021): 2139. http://dx.doi.org/10.3390/nano11082139.
Full textCiobanu, C. L., N. J. Cook, S. Utsunomiya, M. Kogagwa, L. Green, S. Gilbert, and B. Wade. "Gold-telluride nanoparticles revealed in arsenic-free pyrite." American Mineralogist 97, no. 8-9 (August 1, 2012): 1515–18. http://dx.doi.org/10.2138/am.2012.4207.
Full textSchmidbaur, H., and A. Schier. "Silver-free Gold(I) Catalysts for Organic Transformations." Zeitschrift für Naturforschung B 66 (2011): 0329. http://dx.doi.org/10.5560/znb.2011.66b0329.
Full textNanda, K. K., A. Maisels, and F. E. Kruis. "Surface Tension and Sintering of Free Gold Nanoparticles." Journal of Physical Chemistry C 112, no. 35 (August 12, 2008): 13488–91. http://dx.doi.org/10.1021/jp803934n.
Full textOtte, Franziska L., Sonja Lemke, Christian Schütt, Nicolai R. Krekiehn, Ulrich Jung, Olaf M. Magnussen, and Rainer Herges. "Ordered Monolayers of Free-Standing Porphyrins on Gold." Journal of the American Chemical Society 136, no. 32 (August 2014): 11248–51. http://dx.doi.org/10.1021/ja505563e.
Full textAlshammari, Hamed, Peter J. Miedziak, Thomas E. Davies, David J. Willock, David W. Knight, and Graham J. Hutchings. "Initiator-free hydrocarbon oxidation using supported gold nanoparticles." Catal. Sci. Technol. 4, no. 4 (2014): 908–11. http://dx.doi.org/10.1039/c4cy00088a.
Full textCastellana, Edward T., Roberto C. Gamez, and David H. Russell. "Label-Free Biosensing with Lipid-Functionalized Gold Nanorods." Journal of the American Chemical Society 133, no. 12 (March 30, 2011): 4182–85. http://dx.doi.org/10.1021/ja109936h.
Full textSchulz-Dobrick, Martin, K. Vijaya Sarathy, and Martin Jansen. "Surfactant-Free Synthesis and Functionalization of Gold Nanoparticles." Journal of the American Chemical Society 127, no. 37 (September 2005): 12816–17. http://dx.doi.org/10.1021/ja054734t.
Full textMorral, A. Fontcuberta i. "Gold-Free GaAs Nanowire Synthesis and Optical Properties." IEEE Journal of Selected Topics in Quantum Electronics 17, no. 4 (July 2011): 819–28. http://dx.doi.org/10.1109/jstqe.2010.2091259.
Full textFranz, Gerhard, Wolfhard Oberhausen, Ralf Meyer, and Markus-Christian Amann. "Residual-free reactive ion etching of gold layers." AIP Advances 8, no. 7 (July 2018): 075026. http://dx.doi.org/10.1063/1.5037886.
Full textStädler, Brigitte, Harun H. Solak, Susanne Frerker, Kristien Bonroy, Filip Frederix, Janos Vörös, and H. Michelle Grandin. "Nanopatterning of gold colloids for label-free biosensing." Nanotechnology 18, no. 15 (March 9, 2007): 155306. http://dx.doi.org/10.1088/0957-4484/18/15/155306.
Full textSchwartz, Osip, and Dan Oron. "Background-Free Third Harmonic Imaging of Gold Nanorods." Nano Letters 9, no. 12 (December 9, 2009): 4093–97. http://dx.doi.org/10.1021/nl902305w.
Full textChen, L. Y., X. Y. Lang, T. Fujita, and M. W. Chen. "Nanoporous gold for enzyme-free electrochemical glucose sensors." Scripta Materialia 65, no. 1 (June 2011): 17–20. http://dx.doi.org/10.1016/j.scriptamat.2011.03.025.
Full textShakiba, Amin, Shreya Shah, Andrew C. Jamison, Irene Rusakova, Tai-Chou Lee, and T. Randall Lee. "Silver-Free Gold Nanocages with Near-Infrared Extinctions." ACS Omega 1, no. 3 (September 21, 2016): 456–63. http://dx.doi.org/10.1021/acsomega.6b00134.
Full textApyari, Vladimir V., Stanislava G. Dmitrienko, Viktoriya V. Arkhipova, Aydar G. Atnagulov, and Yuri A. Zolotov. "Determination of cysteamine using label-free gold nanoparticles." Analytical Methods 4, no. 10 (2012): 3193. http://dx.doi.org/10.1039/c2ay25675d.
Full textBeret, Elizabeth C., Luca M. Ghiringhelli, and Matthias Scheffler. "Free gold clusters: beyond the static, monostructure description." Faraday Discussions 152 (2011): 153. http://dx.doi.org/10.1039/c1fd00027f.
Full textJuárez, Raquel, Patricia Concepción, Avelino Corma, Vicente Fornés, and Hermenegildo García. "Gold-Catalyzed Phosgene-Free Synthesis of Polyurethane Precursors." Angewandte Chemie International Edition 49, no. 7 (January 18, 2010): 1286–90. http://dx.doi.org/10.1002/anie.200905160.
Full textJuárez, Raquel, Patricia Concepción, Avelino Corma, Vicente Fornés, and Hermenegildo García. "Gold-Catalyzed Phosgene-Free Synthesis of Polyurethane Precursors." Angewandte Chemie 122, no. 7 (February 8, 2010): 1308–12. http://dx.doi.org/10.1002/ange.200905160.
Full textBel'kov, M. V., V. S. Burakov, V. V. Kiris, N. M. Kozhukh, and S. N. Raikov. "Spectral Standard-Free Laser Microanalysis of Gold Alloys." Journal of Applied Spectroscopy 72, no. 3 (May 2005): 376–81. http://dx.doi.org/10.1007/s10812-005-0085-6.
Full textDupuy, Stéphanie, Alexandra M. Z. Slawin, and Steven P. Nolan. "The Fluoride-Free Transmetalation of Organosilanes to Gold." Chemistry - A European Journal 18, no. 47 (October 12, 2012): 14923–28. http://dx.doi.org/10.1002/chem.201202299.
Full textLebedev, Ivan. "Development of a new lining ball mill model for commercial component preservation." E3S Web of Conferences 192 (2020): 02005. http://dx.doi.org/10.1051/e3sconf/202019202005.
Full textBarone, Carlo, Monica Bertoldo, Raffaella Capelli, Franco Dinelli, Piera Maccagnani, Nadia Martucciello, Costantino Mauro, and Sergio Pagano. "Electric Transport in Gold-Covered Sodium–Alginate Free-Standing Foils." Nanomaterials 11, no. 3 (February 24, 2021): 565. http://dx.doi.org/10.3390/nano11030565.
Full textOfori-Sarpong, Grace, Kwadwo Osseo-Asare, and Ming Tien. "Pretreatment of Refractory Gold Ores Using Cell-Free Extracts of P. chrysosporium: A Preliminary Study." Advanced Materials Research 825 (October 2013): 427–30. http://dx.doi.org/10.4028/www.scientific.net/amr.825.427.
Full textAmankwah, R. K., A. U. Khan, C. A. Pickles, and W. T. Yen. "Improved grindability and gold liberation by microwave pretreatment of a free-milling gold ore." Mineral Processing and Extractive Metallurgy 114, no. 1 (April 2005): 30–36. http://dx.doi.org/10.1179/037195505x28447.
Full textTong, Ping, Shurong Tang, Yu He, Yanhong Shao, Lan Zhang, and Guonan Chen. "Label-free immunosensing of microcystin-LR using a gold electrode modified with gold nanoparticles." Microchimica Acta 173, no. 3-4 (February 19, 2011): 299–305. http://dx.doi.org/10.1007/s00604-011-0557-8.
Full textMie, Yasuhiro, Hirotaka Okabe, Chitose Mikami, Taisei Motomura, and Naoki Matsuda. "Nanostructured gold thin film electrode derived from surfactant-free gold nanoparticles for enhanced electrocatalysis." Electrochemistry Communications 146 (January 2023): 107415. http://dx.doi.org/10.1016/j.elecom.2022.107415.
Full textSaini, Meenaxi, Yogeshwar Masirkar, Ritu Varshney, Partha Roy, and Kalyan K. Sadhu. "Fluorogen-free aggregation induced NIR emission from gold nanoparticles." Chemical Communications 53, no. 46 (2017): 6199–202. http://dx.doi.org/10.1039/c7cc00641a.
Full textRen, Xuefeng, Ying Song, Anmin Liu, Jie Zhang, Peixia Yang, Jinqiu Zhang, Guohui Yuan, Maozhong An, Hannah Osgood, and Gang Wu. "Role of polyethyleneimine as an additive in cyanide-free electrolytes for gold electrodeposition." RSC Advances 5, no. 79 (2015): 64806–13. http://dx.doi.org/10.1039/c5ra12217a.
Full textHeath, M. J. "Measurement of 'free' gold in patients receiving disodium aurothiomalate and the association of high free to total gold levels with toxicity." Annals of the Rheumatic Diseases 47, no. 1 (January 1, 1988): 18–21. http://dx.doi.org/10.1136/ard.47.1.18.
Full textBurkitt, Sean, Mana Mehraein, Ramunas K. Stanciauskas, Jos Campbell, Scott Fraser, and Cristina Zavaleta. "Label-Free Visualization and Tracking of Gold Nanoparticles in Vasculature Using Multiphoton Luminescence." Nanomaterials 10, no. 11 (November 12, 2020): 2239. http://dx.doi.org/10.3390/nano10112239.
Full textZhang, Yan, Meng Li, Haiyun Liu, Shenguang Ge, and Jinghua Yu. "Label-free colorimetric logic gates based on free gold nanoparticles and the coordination strategy between cytosine and silver ions." New Journal of Chemistry 40, no. 6 (2016): 5516–22. http://dx.doi.org/10.1039/c5nj03471j.
Full textSoutham, G., W. S. Fyfe, and T. J. Beveridge. "Immobilization of free ionic gold and L-asparagine-complexed ionic gold by Sporosarcina ureae: The importance of organo-gold complexes in gold mobility." Mining, Metallurgy & Exploration 17, no. 2 (May 2000): 129–32. http://dx.doi.org/10.1007/bf03402840.
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