نتایج جستجو برای: chelates
تعداد نتایج: 1937 فیلتر نتایج به سال:
To identify possible iron sources for bacteroids in planta, soybean (Glycine max L. Merr.) symbiosomes (consisting of the bacteroid-containing peribacteroid space enclosed by the peribacteroid membrane [PBM]) and bacteroids were assayed for the ability to transport iron supplied as various ferric [Fe(III)]-chelates. Iron presented as a number of Fe(III)-chelates was transported at much higher r...
Among thermosetting polymers, epoxy resins are major components of adhesives, sealants, paints and composites. Polymerization is often achieved by reaction monomers like DGEBA with amine hardeners such as DETA. Previous works showed that polyamines interact metal (hydr/oxide) substrates leading to the formation an interphase involving chelation surface ions. In this work, we further explored in...
Important requirements for exogenous dyes or contrast agents in magnetic resonance imaging (MRI) include an effective concentration of paramagnetic or superparamagnetic ions at the target to be imaged. We report the concise synthesis and characterization of several new enantiopure bifunctional derivatives of (α(1)R,α(4)R,α(7)R,α(10)R)-α(1),α(4),α(7),α(10)-tetramethyl-1,4,7,10-tetraazacyclododec...
Cyclometallated complexes are well-known and have found many applications. This article provides a short review on the progress made in synthesis application to catalysis of cyclometallated half-sandwich Cp*Ir(III) (Cp*: pentamethylcyclopentadienyl) since 2017. Covered iridacycles featuring conventional C,N chelates less common metallocene carbene-derived C,C ligands. is followed by an overview...
Biological and nano fertilizers are alternative supplements to chemical security for the sustainability of agricultural production. This study is present investigate effect biological on quantitative qualitative yield cow pea during two crop years (2018-2019 2019-2020) in research farm South Agricultural Research Education Center Kerman province, Iran. experiment was carried out factorial desig...
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