نتایج جستجو برای: oes
تعداد نتایج: 2063 فیلتر نتایج به سال:
A simple and reliable multi-element procedure for determination of essential (Cr, Cu, Fe, Mg, Mn, Zn) and toxic (Al, Cd, Pb) elements in legumes by inductively coupled plasma-optical emission spectrometry (ICP-OES) was developed. In this contribution, four different digestion procedures were thoroughly investigated and accurately evaluated with respect to their affect on the analysis of legumes...
In this report, a novel non-contact, non-invasive methodology for near and quasi real-time measurement of the structuring metal surfaces using pulsed laser ablation is described. This based on use multi-messenger data approach from Optical Emission Spectroscopy (OES) Radio (RES) in parallel. research, radio frequency (RF) emission (in range 100–400 MHz) optical (200–900 nm) were investigated ac...
Copper (Cu) is a toxic pollutant and its presence in wastewater, even at low concentrations, can have significant environmental impact. In this work, method for the determination of Cu was developed using voltammetric technique involving platinum electrode citrate medium. ppb level determined by both chronoamperometry (CA) anodic linear scanning voltammetry (ALSV), results were compared to thos...
The prokaryotic transposable element Tn5 has been found to promote the formation of adjacent deletions. The frequency of adjacent deletion formation is much lower than that of normal transposition events. Like normal transposition, however, adjacent deletion formation requires the activity of the transposase protein. The deletions can be divided into two classes, as distinguished by their endpo...
A method for the determination of Ti and V using inductively coupled plasma atomic emission spectrometry (ICP OES) in Ziegler-Natta polymerization catalysts is proposed. The concentrations of both Ti and V are efficiently determined after catalyst acid digestion with a mixture of HNO3 + HCl + HF and heating (160 degrees C for 6 h) or with 10% (v/v) H2SO4 and heating (160 degrees C for 6 h) or w...
Odontogenesis is accomplished by reciprocal signaling between the epithelial and mesenchymal compartments. It is generally accepted that the inductive mesenchyme is capable of inducing the odontogenic commitment of both dental and non-dental epithelial cells. However, the duration of this signal in the developing dental mesenchyme and whether adult dental pulp tissue maintains its inductive cap...
BACKGROUND AND PURPOSE FUS-induced BBB opening is a promising technique for noninvasive and local delivery of drugs into the brain. Here we propose the novel use of a neuronavigation system to guide the FUS-induced BBB opening procedure and investigate its feasibility in vivo in large animals. MATERIALS AND METHODS We developed an interface between the neuronavigator and FUS to allow guidance...
We investigated (1) the relationship between the baseline and inspiratory muscle training (IMT) induced increase in maximal inspiratory pressure (P(I,max)) and (2) the relative contributions of the inspiratory chest wall muscles and the diaphragm (P(oes)/P(di)) to P(I,max) prior to and following-IMT. Experiment 1: P(I,max) was assessed during a Müeller manoeuvre before and after 4-wk IMT (n=30)...
The atmospheric pressure helium plasma jet driven by pulsed dc voltage was utilized to treat human lung cancer cells in vitro. The properties of plasma plume were adjusted by the injection type and flow rate of additive oxygen gas in atmospheric pressure helium plasma jet. The plasma characteristics such as plume length, electric current and optical emission spectra (OES) were measured at diffe...
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