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By Means of Critical Theory
Gabriele Strohschen
Apr 03, 2020
So-termed non-traditional adult students have become a key target for marketing efforts in higher education, and non-conventional, accelerated paths to university-issued degrees are the lure du jour in the business of selling...
Published by: IGI Global Scientific Publishing
Situated Learning Meets Community Needs
Gabriele Strohschen, David LaBuda, Pauline Scott, Jasmine Dash, Gail Debbs, Jeff Phillips
May 15, 2019
This chapter describes a community-based learning project (CbLP) in the Chicago West Side community of Austin. This learning setting provided the context for applying instructional strategies, methods, and techniques that are...
Published by: IGI Global Scientific Publishing
Self-Directed/Community-Supported Learning
MOOC designers seeking to address evolving ambitions of MOOCs to support workforce development confront a fundamental design dilemma: on the one hand, the self-paced nature of online learning is efficient for busy learners...
Instructional Design Education Educational Technologies Media and Communications Computer Science and Information Technology
Published by: IGI Global Scientific Publishing
Crystallographic rationalization of the reactivity and spectroscopic properties of (2R)-S-(2,5-dihydroxyphenyl)cysteine
At 150 K, the title compound, C9H11NO4S, crystallizes in the orthorhombic form as a zwitterion and has a low gauche conformation [chi = -46.23 (16)degrees] for an acyclic cysteine derivative. A difference in bond length is...
Crystallographic rationalization of the reactivity and spectroscopic properties of (2R)-S-(2,5-dihydroxyphenyl)cysteine
At 150 K, the title compound, C9H11NO4S, crystallizes in the orthorhombic form as a zwitterion and has a low gauche conformation [chi = -46.23 (16)degrees] for an acyclic cysteine derivative. A difference in bond length is...
Bipyrrolidine salan alkoxide complexes of lanthanides
Four dimeric lanthanide alkoxide complexes bearing ONNO bipyrrolidine salan ligands (L MeH 2/L tBuH 2) have been prepared with Nd, Sm and Yb. Depending on the metal and...
Spontaneous oscillations of elastic filaments induced by molecular motors.
It is known from the wave-like motion of microtubules in motility assays that the piconewton forces that motors produce can be sufficient to bend the filaments. In cellular phenomena such as cytosplasmic streaming, molecular...
Stoichiometric and catalytic reactivity of tert-butylamine-borane with calcium silylamides
The primary amine-borane t-BuNH2·BH3 reacts with a β-diketiminate-supported silylamido calcium complex with elimination of HN(SiMe3)2 and formation of the corresponding primary...
Tin(IV) chalcogenide complexes
A family of tin(IV) bis(hexamethylsilylamide) complexes 2–9 have been synthesized by reaction of [Sn{N(SiMe3)2}2] (1) with the diphenyl dichalcogenanes...
Group 2 Catalysis for the atom-efficient synthesis of imidazolidine and thiazolidine derivatives
A wide variety of functionalised imidazolidine-2-ones and -thiones, 2-imino-imidazolidines and thiazolidine-2-thiones have been synthesised under very mild reaction conditions by using simple and cost-effective alkaline earth...
Alkali metal-mediated Dehydrocoupling of Me<sub>2</sub>NH.BH<sub>3</sub>
Bis(trimethylsilyl)amide derivatives of the group 1 elements (Li, Na, K) are competent pre-catalysts for the dehydrocoupling of Me2NH·BH3via the formation of intermediates containing [H3BNMe2BH2Me2N]− anions.
New cyclotetrasiloxanes bearing sila-alkyl substituted side chains and their applications as templates for gold nanowires
New sila-alkyl substituted cyclotetrasiloxanes, [RMeSiCH CH(Me)SiO] [R = Ph(1), 2-thienyl(2), 2-furyl(3)] have been synthesized by a hydrosilylation reaction between 2,4,6,8-tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane, (D )...
Bipyrrolidine salan alkoxide complexes of lanthanides
Four dimeric lanthanide alkoxide complexes bearing ONNO bipyrrolidine salan ligands (L MeH 2/L tBuH 2) have been prepared with Nd, Sm and Yb. Depending on the metal and...
Ligand Tuning in Pyridine-Alkoxide Ligated Cp*Ir III Oxidation Catalysts
Six novel derivatives of pyridine-alkoxide ligated Cp*IrIII complexes, potent precursors for homogeneous water and C–H oxidation catalysts, have been synthesized, characterized, and analyzed spectroscopically and kinetically for...
Crystal and molecular structure of bis(di-<em>n-</em>propylammonium) dioxalatodiphenylstannate, [<em>n</em>-Pr<sub>2</sub>NH<sub>2</sub>]<sub>2</sub>[(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>SnPh<sub>2</sub>]
The title compound [n-Pr2NH2]2[(C2O4)2SnPh2] (1) has been synthesized by allowing Ph2SnCl2 to react with...
Crystal and molecular structure of bis(di-<em>n-</em>propylammonium) dioxalatodiphenylstannate, [<em>n</em>-Pr<sub>2</sub>NH<sub>2</sub>]<sub>2</sub>[(C<sub>2</sub>O<sub>4</sub>)<sub>2</sub>SnPh<sub>2</sub>]
The title compound [n-Pr2NH2]2[(C2O4)2SnPh2] (1) has been synthesized by allowing Ph2SnCl2 to react with...
Total synthesis of (+)-grandifloracin by iron complexation of a microbial arene oxidation product
(+)-Grandifloracin was synthesized from sodium benzoate by means of a dearomatizing dihydroxylation that proceeds with unusual regloselectivity. Iron diene complexes formed from the arene oxidation product permit the use of...
Rhodium-catalysed enantioselective synthesis of 4-arylchroman-2-ones
The rhodium-catalysed enantioselective 1,4-addition of organoboron reagents to arylidene Meldrum's acids as acceptors, allows convenient access to 4-arylchroman-2-ones with good to excellent levels of enantioselectivity. The use...
Unexpected Migratory Insertion Reactions of M(alkyl)<sub>2</sub> (M = Zn, Cd) and Diamidocarbenes
The electrophilic character of free diamidocarbenes (DACs) allows them to activate inert bonds in small molecules, such as NH3 and P4. Herein, we report that metal coordinated DACs also exhibit...
X-ray crystal structures of [(Cy<sub>2</sub>NH<sub>2</sub>)]<sub>3</sub> [C<sub>6</sub>H<sub>3</sub>(CO<sub>3</sub>)]<sup>_</sup>4H<sub>2</sub>O and [<em>i</em>-Bu<sub>2</sub>NH<sub>2</sub>][(Me<sub>3</sub> SnO<sub>2</sub>C)2C6H<sub>3</sub>CO<sub>2</sub>]
Two new benzene tricarboxylato derivatives [(CyNH )][CH(CO) ].HO (1) and [i-BuNH ][(MeSnOC) CH CO] (2) have been synthesized and characterized by X-ray crystallography. In the solid state, compound 1 shows a three dimensional...
Synthesis of heterobimetallic tungsten acetylacetonate/alkoxide complexes and their application as molecular precursors to metal tungstates
A series of MW2(O)2(acac)2 (OMe)10 [M = Co (1), Ni (2), Mg (3), Zn (4)] have been synthesised and structurally characterised by X-ray crystallography. All the compounds share common structural...
Mitochondrial degradation of amyloidogenic proteins - A new perspective for neurodegenerative diseases.
This perspective article outlines mechanisms of mitochondrial import and protein degradation and how these have been linked to alpha-synuclein and Amyloid beta (Aβ) homeostasis. Our aim is to underpin and stimulate the debate on...
New cyclotetrasiloxanes bearing sila-alkyl substituted side chains and their applications as templates for gold nanowires
New sila-alkyl substituted cyclotetrasiloxanes, [RMeSiCH CH(Me)SiO] [R = Ph(1), 2-thienyl(2), 2-furyl(3)] have been synthesized by a hydrosilylation reaction between 2,4,6,8-tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane, (D )...
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