Results 81 to 90 of about 836,807 (407)
Impact of layer defects in ferroelectric thin films [PDF]
, 2004 Based on a modified Ising model in a transverse field we demonstrate that defect layers in ferroelectric thin films, such as layers with impurities, vacancies or dislocations, are able to induce a strong increase or decrease of the polarization depending on the variation of the exchange interaction within the defect layers. A Green's function technique
arxiv +1 more source
The Optimization of Eluent Chromatography Thin Layer 2-D for The Purification of Isolat Alkaloid of Pulai Having Potention as Anti-Toxoplasma [PDF]
, 2015 There was a research having purpose to get pure alkaloid from pulai leaf in a way of chromatography thin layer two dimensions using 2 variants of eluent KLT 2-D.
Fauziyah, Begum +2 more
core
Advanced Functional Materials, EarlyView.This study introduces a paper‐based biodegradable, humidity‐insensitive e‐nose for real‐time breath analysis, addressing challenges in existing technologies such as humidity interference, high costs, and environmental impact. Featuring hydrophobic polymer coatings, these sensors reliably detect VOCs even in high‐moisture environments.
Indrajit Mondal +2 more
wiley +1 more source
Spot applicator for thin-layer plates
Journal of Lipid Research, 1967 A device that lowers a micropipet into position just above a thin-layer plate is described. Use of a self-filling pipet and foot-operated bellows allows one to apply many portions of a sample to the same point at high speed without damaging the adsorbent
Norman S. Radin
doaj
Овощи России, 2018 Qualitative and quantitative evaluation of tomatoes carote-noid composition is considered to be the basis of tomato selection. Among known methods of identification and carotenoid content determination thing layer chromatography (TLC) is characterized by
N. A. Golubkina +5 more
doaj +1 more source
Thermoelectric transport perpendicular to thin film heterostructures using Monte Carlo technique [PDF]
, 2006 The Monte Carlo technique is used to calculate electrical as well as thermoelectric transport properties across thin film heterostructures. We study a thin InGaAsP barrier layer sandwiched between two InGaAs contact layers, when the barrier thickness is in 50nm-2000nm range.
arxiv +1 more source
Proceedings of the National Academy of Sciences of the United States of America, 1997 Many Gram-negative bacteria regulate gene expression in response to their population size by sensing the level of acyl-homoserine lactone signal molecules which they produce and liberate to the environment.
P. Shaw +6 more
semanticscholar +1 more source
Quantification of alkaloids, phenols and flavonoids in sunflower (Helianthus annuus L.) [PDF]
, 2013 Allelochemicals in leaves, stems and roots of sunflower (cv Hysun 38) were determined using thin layer chromatography (TLC) for alkaloids and spectrophotometry for phenols and flavonoids.
Kamal, J
core +2 more sources
Sono‐Piezo‐Photosynthesis of Ethylene and Acetylene from Bioethanol under Ambient Conditions
Advanced Functional Materials, EarlyView.A novel sono‐piezo‐photocatalytic strategy enables the conversion of bioethanol to ethylene (C2H4) and acetylene (C2H2) under ambient conditions, addressing the limitations of conventional methods that are high‐temperature and energy‐intensive. By using an advanced graphene oxide/sodium bismuth titanate heterostructure catalyst, this work achieved ...
Yue Jiang +21 more
wiley +1 more source
Química Nova, 2013 Methanolic transesterification of oils and fats was carried out in a two steps procedure, under basic and acidic catalysis. Palm, soybean, canola, corn, rice, grapeseed, sunflower, peanut, pequi and olive oils, besides tallow and lard were used as ...
Diogo Müller de Oliveira +9 more
doaj +1 more source