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Journal of the Turkish Chemical Society Section C Chemical Education, 2021 The study aimed to reveal the research trends of articles related to PBL in chemistry education and to provide insights into the characteristics of the research activities through bibliometric and descriptive content analyses.
Cemal TOSUN +2 more
doaj +1 more source
Content analysis of secondary school chemistry textbooks based on components of resistance economy: Shannon Entropy Methodod [PDF]
Fanāvarī-i āmūzish, 2019 Background and Objectives:The present study aims to analyze the content of second grade chemistry textbooks based on the emphasis on the goals of resistance economy. Methods: The research method in this study was descriptive content analysis.
H. Moafi +3 more
doaj +1 more source
Identification Ways of Working of Students' High School Pekanbaru in Chemistry Learning
JPP (Jurnal Pendidikan dan Pembelajaran), 2023 The background of this research is the absence of an assessment of communication and collaboration skills of students in overall chemistry learning when learning shifts from home to face-to-face limited during the pandemic.
Tissa Indah, Asyti Febliza
doaj
An Image Auxiliary Method for Quantitative Analysis of Laser-Induced Breakdown Spectroscopy.
Analytical Chemistry, 2018 Improving both the stability and accuracy of laser-induced breakdown spectroscopy (LIBS) is an issue in quantitative analysis. For certain environments outside of the laboratory, consistently and exactly maintaining the distance from the optical system ...
Peng Zhang +5 more
semanticscholar +1 more source
Prediction of lignin content in ruminant diets and faecal samples using rapid analytical techniques [PDF]
, 2018 The measurement of lignin content in ruminant diet and faecal samples is important for 2 digestibility studies, but it is typically time consuming and costly. The work reported 3 involved correlation of traditional wet chemistry data with that from three
Aubrey, A. +5 more
core +1 more source
Analytical Chemistry, 2019 Blood volume in dried blood spot (DBS) analysis is assumed to be constant for DBS punches with fixed area. However, blood volume in the punch is dependent on several factors associated with the blood composition and is preferentially normalized by off ...
M. Dvořák, L. Ryšavá, P. Kubáň
semanticscholar +1 more source
Evaluation of a commercially available rapid urinary porphobilinogen test [PDF]
, 2011 Background: Demonstration of substantially increased urinary excretion of porphobilinogen is the cornerstone of diagnosing acute porphyria crisis. Because porphobilinogen testing is not implemented on clinical chemistry analysers, respective analyses are
Buttery JE +4 more
core +1 more source
Analysis of gas chromatography/mass spectrometry data for catalytic lignin depolymerization using positive matrix factorization [PDF]
, 2018 Various catalytic technologies are being developed to efficiently convert lignin into renewable chemicals. However, due to its complexity, catalytic lignin depolymerization often generates a wide and complex distribution of product compounds.
Barrett, JA +7 more
core +1 more source
AIP AdvancesA new type of geopolymer with an iron–oxygen–silicon linkage is synthesized and reported for the first time. The aim was to enable the iron-rich clay material (laterite) as a raw material for the geopolymerization.
Akbar Ali +8 more
doaj +1 more source
Dendron-Functionalized Surface: Efficient Strategy for Enhancing the Capture of Microvesicles
iScience, 2019 Summary: Microvesicles (MVs) are used by various types of cells in the human body for intercellular communication, making them biomarkers of great potential for the early and non-evasive diagnosis of a spectrum of diseases.
Jian-Qiao Jiang +4 more
doaj +1 more source