نتایج جستجو برای: alkaline metal cation

تعداد نتایج: 287569  

2014
Mingxin Guo Ruci Wang Juan Wang Kai Hua Yueming Wang Xiaoqiang Liu Shanguo Yao

Alkaline salt stress adversely affects rice growth, productivity and grain quality. However, the mechanism underlying this process remains elusive. We characterized here an alkaline tolerant mutant, alt1 in rice. Map-based cloning revealed that alt1 harbors a mutation in a chromatin remodeling ATPase gene. ALT1-RNAi transgenic plants under different genetic background mimicked the alt1 phenotyp...

Journal: :Journal of Physical Chemistry C 2022

All-inorganic metal halide perovskite nanocrystals (NCs) having the general formula ABX3, where A is a monovalent cation, for example, Cs+, B divalent typically Pb2+, and X Cl–, Br–, I–, or their binary mixture, show potential in optoelectronic devices. In this work, we explore effect of B-site doping on properties CsPbX3 NCs (X = Br, Cl). First, Pb2+ ions pristine CsPbBr3 NC are partially subs...

Journal: :Physical review letters 2008
Andrew J Daley Martin M Boyd Jun Ye Peter Zoller

We present a complete scheme for quantum information processing using the unique features of alkaline-earth-metal atoms. We show how two completely independent lattices can be formed for the 1S0 and 3P0 states, with one used as a storage lattice for qubits encoded on the nuclear spin, and the other as a transport lattice to move qubits and perform gate operations. We discuss how the 3P2 level c...

2003
Kazutoku Ohta

Ion chromatography (IC), developed by Small et al. [1], is widely recognized as a simple and powerful analytical technique for the determination of various inorganic and organic anions and cations [2]. Sulfonated and carboxylated polymer resins and silicas are commonly employed as cation−exchange stationary phases in IC for cationic species. The application of unmodified silica gels as cation−e...

Journal: :Chemical communications 2011
Priyadip Das Sourish Bhattacharya Sandhya Mishra Amitava Das

Newly synthesized Zn(II) and Cd(II)-based complexes show unique selectivity towards inorganic pyrophosphate (PPi) in 100% aqueous medium at pH = 7.4 and act as a "turn-on" and "turn-off" real-time assay, respectively, for the evaluation of the enzymatic activity of alkaline phosphatase.

Journal: :Organic & biomolecular chemistry 2006
Mei-Lin Ho Fu-Ming Hwang Pei-Nung Chen Ya-Hui Hu Yi-Ming Cheng Kung-Shih Chen Gene-Hsiang Lee Yun Chi Pi-Tai Chou

A new metal cation probe bearing a central Ir(III) element and 1-aza-15-crown-5-ether substituted pyridyl pyrazolate as the chelate was synthesized. The octahedral molecular structure of was confirmed using single crystal X-ray diffraction analyses. Subsequent photophysical study showed yellow-green emission at approximately 560 nm in both fluid solution and solid state at room temperature. Rem...

Journal: :Organic letters 2000
Shukla Kida Smith

Anion binding by neutral hosts in organic solvents can be inhibited by the presence of alkali metal cations. The binding inhibition is due to salt ion-pairing which increases in the order Cs(+) < K(+) < Na(+). The binding inhibition can be reversed by using heteroditopic hosts that simultaneously bind both the metal cation and the anion. The largest cation-induced enhancements are observed with...

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