Results 21 to 30 of about 5,472,567 (286)

Geometric phase in weak measurements [PDF]

open access: yes, 2006
Pancharatnam's geometric phase is associated with the phase of a complex-valued weak value arising in a certain type of weak measurement in pre- and post-selected quantum ensembles.
Aharonov   +15 more
core   +1 more source

An International Proficiency Test to Detect, Identify and Quantify Ricin in Complex Matrices

open access: yesToxins, 2015
While natural intoxications with seeds of Ricinus communis (R. communis) have long been known, the toxic protein ricin contained in the seeds is of major concern since it attracts attention of those intending criminal, terroristic and military misuse. In
Sylvia Worbs   +6 more
doaj   +1 more source

Tire Recycled Rubber for More Eco-Sustainable Advanced Cementitious Aggregate

open access: yesRecycling, 2020
This research focused on using ground tire rubber (GTR) with different grain sizes as a replacement for the mineral aggregates used in a cement-based mixture suitable for extrusion-based Additive Manufacturing.
Matteo Sambucci   +2 more
doaj   +1 more source

Study on Migrants and Formation Mechanism of Polyglycolic Acid Oligomers in Three Distinct Application Scenarios

open access: yesZhipu Xuebao
Poly (glycolic acid) (PGA) is an environmentally friendly, biodegradable polymer commonly utilized in biomedical applications. Due to its high thermal deformation temperature, favorable mechanical properties, and effective gas barrier capabilities, PGA ...
Sheng-feng LIU   +7 more
doaj   +1 more source

Speech Melody Properties in English, Czech and Czech English: Reference and Interference [PDF]

open access: yes, 2015
Two major objectives were set for the present study: to provide reference data for the description of Czech and English F0 contours, and to investigate the limits of the ‘interference hypothesis’ on Czech English data.
Anderson   +46 more
core   +2 more sources

Novel Blood Collection Tubes Improve Sample Preservation in a Multicenter Study in Thailand

open access: yesDiagnostics
Background: Blood collection tubes (BCTs) are critical in vitro diagnostic devices used in clinical laboratory testing. Innomed tubes are novel BCTs coated with heparin and anti-glycolytic agents (Innomed 1) and clot activators combined with anti ...
Khundow Moonla   +4 more
doaj   +1 more source

Development of reference materials for the determination of calcium, iron, selenium, and zinc in dietary supplements

open access: yesTạp chí Kiểm nghiệm và An toàn thực phẩm
Food supplements are increasingly popular among consumers because of their convenience and nutritional value. Among the ingredients, essential minerals are added a lot because of their effects on health at all ages especially calcium (Ca), iron (Fe ...
Tran Thanh Son   +5 more
doaj   +1 more source

Development of сertified reference materials set for opened porosity of solid substances and materials (imitators)

open access: yesСтандартные образцы, 2017
The article deals with data of research for development of certified reference materials set for opened porosity of solid substances and materials (imitators) (OPTB SO UNIIM Set) Certified Reference Materials GSO 10583-2015.
E. P. Sobina
doaj   +1 more source

Optimizing d-mannose and glyceraldehyde concentrations as glucose preservatives without clinically affecting biochemical test results

open access: yesPractical Laboratory Medicine
Objectives: The objectives were to evaluate blood additives that combined lithium heparin (LH)-salt with glyceraldehyde (GLY) or d-mannose (MAN) for preserving glucose levels in plasma samples and to simultaneously determine the compatibility of these ...
Renu Wiriyaprasit   +5 more
doaj   +1 more source

Studying of the standardization principles of pharmacological activity of recombinant erythropoietin preparations

open access: yesСтандартные образцы, 2017
Analysis of the publications devoted to the structure, functions, mechanism of action of erythropoietin is given in the article. Erythropoietin preparations derived from recombinant DNA technology are a mixture of isoforms with different biological ...
A. K. Yakovlev   +9 more
doaj   +1 more source

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