Poly (8-Hydroxyquinoline) Properties, Different Methods for Characterization, and New Applications for Different Uses: Review Article

2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Mohamed Shahata
Keyword(s):  
Review Article ◽  
New Applications

scholarly journals The 115 Years Old Multicomponent Bargellini Reaction: Perspectives and New Applications

Molecules ◽  
2021 ◽  
Vol 26 (3) ◽  
pp. 558
Author(s):  
Marta Serafini ◽  
Ilaria Murgia ◽  
Mariateresa Giustiniano ◽  
Tracey Pirali ◽  
Gian Cesare Tron
Keyword(s):  
Organic Chemistry ◽  
Knowledge Sharing ◽  
Multicomponent Reaction ◽  
Review Article ◽  
Chronological Order ◽  
New Applications

Despite its uniqueness, the Bargellini multicomponent reaction remains barely known by the most part of chemists. This can be ascribed to the fact that this transformation has not been adequately reviewed in the classic books of named reactions in organic chemistry. Nevertheless, several works on this reaction have been carried out over the years, many of them were written in Italian in the period 1929–1966. In this review article we extensively cover, in a chronological order, the most important applications of the Bargellini reaction reported to date, with the hope that this knowledge-sharing will help chemists to properly use this multicomponent transformation and imagine novel reactivities based on it.

scholarly journals Proteomics and Metabolomics for Cystic Fibrosis Research

2020 ◽  
Vol 21 (15) ◽  
pp. 5439 ◽  
Author(s):  
Nara Liessi ◽  
Nicoletta Pedemonte ◽  
Andrea Armirotti ◽  
Clarissa Braccia
Keyword(s):  
Cystic Fibrosis ◽  
Biomarker Discovery ◽  
State Of The Art ◽  
Review Article ◽  
Future Scenarios ◽  
Transmembrane Conductance Regulator ◽  
Transmembrane Conductance ◽  
Post Translational Modifications ◽  
New Applications ◽  
Cystic Fibrosis Transmembrane

The aim of this review article is to introduce the reader to the state-of-the-art of the contribution that proteomics and metabolomics sciences are currently providing for cystic fibrosis (CF) research: from the understanding of cystic fibrosis transmembrane conductance regulator (CFTR) biology to biomarker discovery for CF diagnosis. Our work particularly focuses on CFTR post-translational modifications and their role in cellular trafficking as well as on studies that allowed the identification of CFTR molecular interactors. We also show how metabolomics is currently helping biomarker discovery in CF. The most recent advances in these fields are covered by this review, as well as some considerations on possible future scenarios for new applications.

scholarly journals Reviewing Magnetic Particle Preparation: Exploring the Viability in Biosensing

Sensors ◽  
2020 ◽  
Vol 20 (16) ◽  
pp. 4596
Author(s):  
Daniel Kappe ◽  
Laila Bondzio ◽  
Joris Swager ◽  
Andreas Becker ◽  
Björn Büker ◽  
...  
Keyword(s):  
Magnetic Particles ◽  
Magnetic Particle ◽  
Size Range ◽  
Particle System ◽  
Microfluidic Channel ◽  
Review Article ◽  
Particle Systems ◽  
Heusler Compound ◽  
Particle Preparation ◽  
New Applications

In this review article, we conceptually investigated the requirements of magnetic nanoparticles for their application in biosensing and related them to example systems of our thin-film portfolio. Analyzing intrinsic magnetic properties of different magnetic phases, the size range of the magnetic particles was determined, which is of potential interest for biosensor technology. Different e-beam lithography strategies are utilized to identify possible ways to realize small magnetic particles targeting this size range. Three different particle systems from 500 μm to 50 nm are produced for this purpose, aiming at tunable, vertically magnetized synthetic antiferromagnets, martensitic transformation in a single elliptical, disc-shaped Heusler Ni50Mn32.5Ga17.5 particle and nanocylinders of Co2MnSi-Heusler compound. Perspectively, new applications for these particle systems in combination with microfluidics are addressed. Using the concept of a magnetic on–off ratchet, the most suitable particle system of these three materials is validated with respect to magnetically-driven transport in a microfluidic channel. In addition, options are also discussed for improving the magnetic ratchet for larger particles.

scholarly journals Tribochemistry as an Alternative Synthesis Pathway

Lubricants ◽  
2020 ◽  
Vol 8 (9) ◽  
pp. 87
Author(s):  
Hayden Carlton ◽  
David Huitink ◽  
Hong Liang
Keyword(s):  
Friction And Wear ◽  
Research Area ◽  
Review Article ◽  
Reaction Pathways ◽  
Technological Advancement ◽  
Tribochemical Reaction ◽  
Nanoparticle Interactions ◽  
Synthesis Methodology ◽  
New Applications ◽  
New Compounds

While reactions driven by mechanical force or stress can be labeled mechanochemical, those specifically occurring at a sliding interface inherit the name tribochemical, which stems from the study of friction and wear: tribology. Increased perception of tribochemical reactions has been gained through technological advancement, and the development of new applications remains on-going. This surprising physico-kinetic process offers great potential in novel reaction pathways for synthesis techniques and nanoparticle interactions, and it could prove to be a powerful cross-disciplinary research area among chemists, engineers, and physicists. In this review article, a survey of the history and recent usage of tribochemical reaction pathways is presented, with a focus on forging new compounds and materials with this sustainable synthesis methodology. In addition, an overview of tribochemistry’s current utility as a synthesis pathway is given and compared to that of traditional mechanochemistry.

Desiderata in connection by the calibration of the MK-system

1966 ◽  
Vol 24 ◽  
pp. 348-349
Author(s):  
Th. Schmidt-Kaler
Keyword(s):  
Absolute Magnitude ◽  
Review Article ◽  
Stellar Systems ◽  
Astronomical Data ◽  
Intrinsic Colour

This is only an informal remark about some difficulties I am worrying about.I have tried to recalibrate the MK system in terms of intrinsic colour (B–V)0and absolute magnitudeMv. The procedures used have been described in a review article by Voigt (Mitt. Astr. Ges.1963, p. 25–35), and the results for stars of the luminosity classes Ia-O,I and II have been given also in Blaauw's article on the calibration of luminosity criteria in vol. III (Basic Astronomical Data, p. 401) ofStars and Stellar Systems.

1250-kilovolt scanning transmission electron microscope

1984 ◽  
Vol 42 ◽  
pp. 624-625
Author(s):  
T. Imura ◽  
S. Maruse ◽  
K. Mihama ◽  
M. Iseki ◽  
M. Hibino ◽  
...  
Keyword(s):  
High Voltage ◽  
Electron Probe ◽  
Scanning Transmission Electron Microscope ◽  
Pressure Vessels ◽  
Practical Applications ◽  
Voltage Generator ◽  
Transmission Electron ◽  
Scanning Transmission ◽  
New Applications ◽  
High Voltage Generator

Ultra high voltage STEM has many inherent technical advantages over CTEM. These advantages include better signal detectability and signal processing capability. It is hoped that it will explore some new applications which were previously not possible. Conventional STEM (including CTEM with STEM attachment), however, has been unable to provide these inherent advantages due to insufficient performance and engineering problems. Recently we have developed a new 1250 kV STEM and completed installation at Nagoya University in Japan. It has been designed to break through conventional engineering limitations and bring about theoretical advantage in practical applications.In the design of this instrument, we exercised maximum care in providing a stable electron probe. A high voltage generator and an accelerator are housed in two separate pressure vessels and they are connected with a high voltage resistor cable.(Fig. 1) This design minimized induction generated from the high voltage generator, which is a high frequency Cockcroft-Walton type, being transmitted to the electron probe.

Electron-deficient boron-based catalysts for C–H bond functionalisation

2021 ◽  
Author(s):  
Yuanhong Ma ◽  
Shao-Jie Lou ◽  
Zhaomin Hou
Keyword(s):  
Review Article ◽  
Current Status ◽  
Comprehensive Overview

This review article provides a comprehensive overview to recognise the current status of electron-deficient boron-based catalysis in C–H functionalisations.

Amino-functional polyethers: versatile, stimuli-responsive polymers

2020 ◽  
Vol 11 (24) ◽  
pp. 3940-3950 ◽  
Author(s):  
Patrick Verkoyen ◽  
Holger Frey
Keyword(s):  
Ring Opening ◽  
Review Article ◽  
Stimuli Responsive ◽  
New Class ◽  
Stimuli Responsive Polymers ◽  
Responsive Polymers

Amino-functional polyethers have emerged as a new class of “smart”, i.e. pH- and thermoresponsive materials. This review article summarizes the synthesis and applications of these materials, obtained from ring-opening of suitable epoxide monomers.

Developing Evidence-Based Assessment to Prevent Over- or Underidentification of Disorders for New Language Learners

2020 ◽  
Vol 5 (4) ◽  
pp. 1026-1038
Author(s):  
Sandra Levey ◽  
Li-Rong Lilly Cheng ◽  
Diana Almodovar
Keyword(s):  
Language Learners ◽  
Grade Level ◽  
Reading Skills ◽  
Language Disorder ◽  
Academic Development ◽  
Review Article ◽  
Evidence Based ◽  
Clinical Knowledge ◽  
Language And Literacy ◽  
Support Evidence

Purpose The purpose of this review article is to present certain linguistic domains to consider in the assessment of children learning a new language. Speech-language pathologists frequently face difficulty when determining if a bilingual or multilingual child possesses a true speech or language disorder. Given the increased number of new language learners across the world, clinicians must understand differences versus disorders to prevent underidentification or overidentification of a disorder. Conclusions Early identification of a true disorder has been shown to prevent language and literacy difficulties, given that children are able to achieve grade-level reading skills when given intervention. Clinical knowledge and skills are strongly required so that children receive evidence-based assessment to support their academic development. Learning Goal Readers will gain an understanding of the factors that support evidence-based assessment of bilingual and multilingual language learners.

Treatment Considerations for Adolescents Who Exhibit Cognitive/Communication Problems: A Neuroscience Perspective

2020 ◽  
Vol 5 (6) ◽  
pp. 1767-1775
Author(s):  
Martha S. Burns
Keyword(s):  
Social Communication ◽  
Transition Period ◽  
Clinical Intervention ◽  
Review Article ◽  
Sensitive Period ◽  
Clinical Implications ◽  
Evidence Based ◽  
Communication Problems ◽  
Treatment Considerations ◽  
Behavioral Growth

Purpose Adolescence is a period of substantial neurophysiological and behavioral growth, representing a second sensitive period of brain development. It is a psychological and social transition period between childhood and adulthood with many beneficial changes occurring, especially with respect to potential responsiveness to clinical intervention. However, adolescent behavioral complexities introduce clinical challenges as well. The purpose of this review article is to review the current neuroimaging research on neurophysiological changes observed during adolescence and the cognitive and social behavioral counterparts, with specific attention to the clinical implications. The review article will then summarize currently available intervention tools that can be utilized by speech-language pathologists working with this population. It will conclude with available evidence-based social-communication approaches that may be applicable as well as available evidence-based supplemental technological cognitive interventions that may be useful in working with adolescents who exhibit language and communication issues. Conclusion As a transition period between childhood and adulthood, adolescence represents a second sensitive period during which there is opportunity for clinically derived beneficial cognitive and communication growth.

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