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作者:Marcia Carneiro Valera , Carlos Henrique Ribeiro Camargo , Cláudio Antonio Talge Carvalho ...
来源:[J].Journal of Applied Oral Science(IF 0.797), 2009, Vol.17 (3), pp.254-261DOAJ
摘要:OBJECTIVE: To evaluate the efficacy of 16% carbamide peroxide gel (CP16%), tetrahydrate sodium perborate (SP) and mixture (CP16% + SP), in walking bleaching of non-vital discolored teeth. MATERIALS AND METHODS: Sixty single-rooted human premolars with intact crowns were used and ...
作者:Anna Kryska , Lech Skulski
来源:[J].Molecules(IF 2.428), 2001, Vol.6 (11), pp.875DOAJ
摘要:This paper reports a one-pot synthesis of the title bromides from both activated and deactivated iodoarenes which are first oxidized with anhydrous NaBO3·H2O/Ac2O/conc.H2SO4 liquid mixtures, then coupled in situ with benzene and activated arenes and, finally, precipi...
作者:Lech Skulski , Anna Kryska
来源:[J].Molecules(IF 2.428), 2001, Vol.6 (11), pp.875-880DOAJ
摘要:This paper reports a one-pot synthesis of the title bromides from both activated and deactivated iodoarenes which are first oxidized with anhydrous NaBO3·H2O/Ac2O/conc.H2SO4 liquid mixtures, then coupled in situ with benzene and activated arenes and, finally, precipi...
作者:Liliann Tran , Rebecca Orth , Peter Parashos ...
来源:[J].Journal of Endodontics(IF 2.929), 2017, Vol.43 (3), pp.472-476Elsevier
摘要:Abstract(#br)Introduction(#br)Internal bleaching of discolored teeth uses sodium perborate reacting with water to form the active agent, hydrogen peroxide (H 2 O 2 ). Sodium perborate is replaced at varying time intervals depending on clinician preference and until esthetically...
作者:D. Kungumathilagam , K. Karunakaran
来源:[J].Polish Journal of Chemical Technology(IF 0.444), 2013, Vol.15 (2), pp.107-111De Gruyter
摘要:... Mechanistic study on meso-tetraphenylporphyriniron(III) chloride (TPP) catalysed oxidation of indole by sodium perborate in aqueous acetic acid medium have been carried out. The reaction follows a fractional order with respect to substrate and catalyst. The order with respect...
作者:M. Priya , S. Kiruthika , B. Muthukumaran
来源:[J].Ionics(IF 1.674), 2017, Vol.23 (5), pp.1209-1218Springer
摘要:...1 M sodium perborate was used as an oxidant, and 0.5 M sulfuric acid was used as an electrolyte. In mesoporous carbon-supported binary Pt–Sn and ternary Pt–Sn–Ce anode catalysts were effectively tested in a single membraneless fuel cell at normal temperature. The presen...
作者:M. Stephen Harrison , Yong Wang , Kenneth J. Frick ...
来源:[J].Journal of Endodontics(IF 2.929), 2019, Vol.45 (8), pp.1053-1059Elsevier
摘要:... The bleached groups were exposed to sodium perborate (2 g/mL) for 7 days. The postbleach treatment group was subsequently treated with 20% alpha-tocopherol for 5 minutes, and then all groups were restored with composite resin. After 24 hours of storage at 37°C and 100% hu...
作者:K. C. Rajanna , Suresh Muppidi , Srinivas Pasnoori ...
来源:[J].Research on Chemical Intermediates(IF 0.88), 2018, Vol.44 (10), pp.6023-6038Springer
摘要:Abstract(#br)Sodium perborate (SPB) was used as efficient green catalyst for NaNO 2 /KHSO 4 -mediated nitration of aromatic compounds in aqueous acetonitrile medium. Synthesis of nitroaromatic compounds was achieved under both conventional and solvent-free microwave conditions. ...
作者:Soora Harinath Jayaprakash , Balam Satheesh Krishna , Sthanikam Siva Prasad ...
来源:[J].Synthetic Communications(IF 1.06), 2015, Vol.45 (3), pp.355-362Taylor & Francis
摘要:An efficient and ecofriendly allylation of O-H, N-H, and C-H groups has been achieved successfully with the reaction of allyl bromide by using sodium perborate as a new catalyst in aqueous media. The advantage of this method is operationally simple, short reaction time, good yie...
作者:E Iriboz , B Öztürk , S Körklü ...
来源:[J].Nigerian Journal of Clinical Practice(IF 0.263), 2017, Vol.20 (6), pp.700-706Wolters Kluwer
摘要:Aim: To compare the bleaching efficacy of sodium perborate with different activation methods on crowns discolored by two different antibiotic pastes. Materials and Methods: Eighty-five extracted human incisors were prepared to size #30 using ProTaper rotary instruments. After c...

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