Results 1 to 10 of about 6,083,721 (150)

Transition Metal Complexes of Thiosemicarbazides, Thiocarbohydrazides, and Their Corresponding Carbazones with Cu(I), Cu(II), Co(II), Ni(II), Pd(II), and Ag(I)—A Review

open access: yesMolecules, 2023
This review focuses on some interesting and recent applications of transition metals towards the complexation of thiosemicarbazides, thiocarbohydrazides, and their corresponding carbazones.
Ashraf A. Aly   +4 more
doaj   +1 more source

Antioxidant vs. Prooxidant Properties of the Flavonoid, Kaempferol, in the Presence of Cu(II) Ions: A ROS-Scavenging Activity, Fenton Reaction and DNA Damage Study

open access: yesInternational Journal of Molecular Sciences, 2021
Kaempferol is a flavonoid that occurs in tea and in many vegetables and fruits, including broccoli, cabbage, beans, grapes, apples, and strawberries.
Miriama Šimunková   +8 more
semanticscholar   +1 more source

Synthesis and Characterization of Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) Complexes With Polydentate 14-Membered Macrocyclic Ligand [PDF]

open access: yesمجلة التربية والعلم, 2012
الخلاصة یعطی التفاعل التکثیفی [2+2] بین السمیکاربازید وبنزویل اسیتون (بنسبة مولاریة 1:1) فی المحلول المائی عند درجة حرارة المختبر لیکاند قاعدة شیف حلقی رباعی الایمین (L): 5، 12 –ثنائی مثیل – 7، 14 – ثنائی فنیل-1، 3، 4، 8، 10، 11- هکسا ازا سایکلو تیترا ...
Najla H. Taher, Akram A. Mohammed
doaj   +1 more source

Effect of root surface charge on the absorption and accumulation of Cu(II) by different japonica and indica rice varieties under acidic conditions

open access: yesEcotoxicology and Environmental Safety, 2021
Excessive amounts of copper (Cu) in soils causes toxic effects on plants. In this study, 58 rice cultivars were classified into tolerant, moderately tolerant, and susceptible types for Cu(II) toxicity based on 50% germination (LC50).
Md Romel Biswash   +5 more
doaj   +1 more source

ADSORPTION OF Cu(II) AND Pb(II) USING SILICA@MERCAPTO (HS@M) HYBRID ADSORBENT SYNTHESIZED FROM SILICA OF TAKARI SAND: OPTIMIZATION OF PARAMETERS AND KINETICS

open access: yes, 2021
The silica@mercapto (HS@M) hybrid adsorbent was successfully synthesized from Takari sand and modified with mercapto. The HS@M was synthesized using the sol-gel method.
J. Naat   +6 more
semanticscholar   +1 more source

Christian Zervos y «Cahiers d’Art». La invención del arte contemporáneo

open access: yesLocvs Amoenvs, 2010
El papel de la crítica y de las revistas de arte fue fundamental para el devenir artístico del siglo xx. Christian Zervos crea, con su revista Cahiers d’Art, la plataforma más prestigiosa y difundida del arte de entreguerras. En ella se conforma el museo
Javier Mañero Rodicio
doaj   +1 more source

Molecularly Designed Ion-Imprinted Nanoparticles for Real-Time Sensing of Cu(II) Ions Using Quartz Crystal Microbalance

open access: yesBiomimetics, 2022
A molecularly designed imprinting method was combined with a gravimetric nanosensor for the real-time detection Cu(II) ions in aqueous solutions without using expensive laboratory devices.
Nihan Aydoğan   +4 more
doaj   +1 more source

Synthesis and characterization of some new complexes of Co(II), Ni(II), Cu(II), Zn(II), Cd(II), Hg(II) with 2,3 and 3,4- di-(2΄-thiophenoyloxy) aniline [PDF]

open access: yesمجلة التربية والعلم, 2012
A series of new complexes of the type [M(L1)Cl2] , [M(L2)Cl2] and [M΄(L1)(Th)2] where L1=2,3-di-(2΄-thiophenoyloxy) aniline, L2=3,4-di-(2΄-thiophenoyloxy)aniline, M=Co+2, Ni+2, Cu+2, Zn+2, Cd+2 and Hg+2, M΄= Ni+2, Cu+2, Zn+2 and Cd+2, Th=thiophene ...
Saba M. Alasalli
doaj   +1 more source

Simultaneous preconcentration of Cu(II), Cd(II) and Mn(II) on silica-polyethylene glycol and determination by flame atomic absorption spectrometry

open access: yesQuímica Nova, 2012
A simultaneous solid phase extraction procedure for enrichment of Cu(II), Cd(II) and Mn(II) has been developed. The method is based on adsorption of Cu(II), Cd(II) and Mn(II) ions on polyethylene glycol-silica gel pre-conditioned with acetate buffer (pH ...
Nahid Pourreza   +3 more
doaj   +1 more source

Simultaneous removal of Cd(II), Co(II), Cu(II), Pb(II), and Zn(II) ions from aqueous solutions via adsorption on FAU-type zeolites prepared from coal fly ash

open access: yesJournal of Environmental Chemical Engineering, 2020
This study reports the potential for the simultaneous removal of Cd(II), Co(II), Cu(II), Pb(II), and Zn(II) ions from aqueous solutions by FAU-type zeolites prepared from coal fly ash.
I. V. Joseph, L. Tosheva, A. M. Doyle
semanticscholar   +1 more source

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