Results 51 to 60 of about 3,711 (211)

Information Dynamics and Learning in Complex Adaptive Systems: Toward a Transdisciplinary Framework

Systems Research and Behavioral Science, EarlyView.
ABSTRACT This article develops a framework for understanding learning and adaptation in complex adaptive systems. Drawing from neuroscience, systems theory, information theory and quantum field theory, it examines how information processing, plasticity and systemic coherence emerge from distributed, nonlinear and feedback‐driven interactions. It argues
Anderson de Souza Sant'Anna
wiley   +1 more source

Radiochemical and analytical aspects of inter-institutional quality control measurements on radiopharmaceuticals

EJNMMI Radiopharmacy and Chemistry, 2019
Background Clinically applied radiopharmaceuticals have to meet quality release criteria like a high radiochemical yield and radiochemical purity. Many radiopharmaceuticals do not have marketing authorization and have no dedicated monograph within the ...
Erik de Blois, Rory M. S. de Zanger, Ho Sze Chan, Mark Konijnenberg, Wouter A. P. Breeman   +4 more
doaj   +1 more source

Identification of chemical compounds of Nardostachys Jatamansi essence available in Iran [PDF]

, 2014
Introduction: With regard to using drugs with plant origin and with the aim of suitable use of these types of drugs and preventing them to be abused, it is necessary to determine the standards of these plants. The aim of the present study was to identify
Ghassemi-Dehkordi, N., Hoseini, S.M., Keshvari, M., Sajjadi, E., Shafiei-Koojani, H.   +4 more
core  

Chitosan nanoparticles: a survey of preparation methods [PDF]

, 2012
The application of macromolecules in therapy is frequently hindered by stability and/or permeation issues. These limitations have been addressed by the pharmaceutical industry through the development of suitable non-injectable drug carriers.
Grenha, Ana
core   +1 more source

Autoethnography as a Research Methodology in TESOL

TESOL Quarterly, EarlyView.
Abstract In this article, I discuss autoethnography as a qualitative research methodology that has been increasingly adopted by scholars in TESOL in the last decade. My goal is to introduce this methodology to colleagues who are preparing to use autoethnography in their research and I expect that introduction to take them to other resources in the ...
Bedrettin Yazan
wiley   +1 more source

Comparative Analysis of Compendial Requirements for the Quality of Bisoprolol Products

Регуляторные исследования и экспертиза лекарственных средств
INTRODUCTION. Beta-blockers are one of the major groups of medicines used to treat cardiovascular diseases. Bisoprolol fumarate is of particular interest as it shows high selectivity towards beta-1 receptors.
O. A. Matveeva, E. L. Kovaleva, A. P. Karpushina, V. V. Akopova   +3 more
doaj   +1 more source

Quality evaluation of simvastatin compounded capsules

Brazilian Journal of Pharmaceutical Sciences, 2011
Simvastatin is commercially available as tablets and compounded capsules in Brazil. Very few reports regarding these capsules' quality, and consequently their efficacy, are available. The pharmaceutical quality of 30 batches of 20 mg simvastatin capsules
Flávia Dias Marques-Marinho, José Carlos da Costa Zanon, Emilia Sakurai, Ilka Afonso Reis, Angélica Alves Lima, Cristina Duarte Vianna-Soares   +5 more
doaj   +1 more source

Quality Control of Hypericum perforatum L. Analytical challenges and recent progress [PDF]

, 2017
Objectives The most widely applied qualitative and quantitative analytical methods in the quality control of Hypericum perforatum extracts will be reviewed, including routine analytical tools and most modern approaches.
Anastasia Agapouda, Ang CYW, Anthony Booker, Anyzewska MM, Dezső Csupor, Freytag WE, Gray DE, Hazler Pilepić K, Judit Hohmann, Michael Heinrich, Nichita C, Powdered St. John's Wort, Robson NKB, Smelcerovic A, Tewari N, Tewari N, Tivadar Kiss, Zhu B   +17 more
core   +3 more sources

Ba[C(CN)3]2 and Pb[C(CN)3]2: Two Remarkably Different Heavy Main‐Group Metal Bistricyanomethanides

Zeitschrift für anorganische und allgemeine Chemie, EarlyView.
Metathesis reactions of either barium dichloride, BaCl2, or lead dichloride, PbCl2, respectively, with Ag[C(CN)3] in water yielded single crystals of anhydrous Ba[C(CN)3]2 and Pb[C(CN)3]2. Ba[C(CN)3]2 crystallizes in the monoclinic space group P21/n (no. 14) with the lattice parameters a = 437.98(3) pm, b = 1685.36(11) pm, c = 1398.87(9) pm, β = 96.541(
Olaf Reckeweg, Ralf J. C. Locke, Falk Lissner, Lkhamsuren Bayarjargal, David Enseling, Thomas Jüstel, Thomas Schleid   +6 more
wiley   +1 more source

Desegregationist Pan‐African Spiritual Strivings: Du Bois, the Black Church and the Critique of Imperialism*

Journal of Religious History, EarlyView.
Abstract This article argues that W. E. B. Du Bois grounded his seminal conceptualisation of “the Negro church” in a Pan‐Africanist challenge to how Christian reformers and missionaries' usage of “Darkest Africa” as a metaphor for modern urban vice and poverty denigrated Africa and the African diaspora while promoting a segregated, imperialist version ...
Kai Parker
wiley   +1 more source