Guidelines for assistive technology service provision - A scoping review.

Purpose: Despite the high unmet need for effective AT provision, multiple service delivery models across different countries, and a shortage of personnel trained in this field, no widely useable and accepted Assistive Technology (AT) service provision guidelines currently exist. This review aims to provide an overview of the literature regarding AT service provision guidelines to inform the development of globally useable AT provision guidance, aligned with contemporary global initiatives to improve access to AT.

Materials And Methods: The rapid scoping review method used a two-tiered approach to identifying relevant publications: (1) systematic search of academic databases (Medline, CINAHL, SCOPUS, and Google Scholar); (2) consultation with international AT organisations and experts.

Theoretical study of formate, tartrate, tartronate, and glycolate production from 6-carbon trioxylate intermediate in the citric acid cycle.

Reaction pathways of side products (formate, glycolate, and tartronate) from dihydroxyfumarate (DHF) were theoretically investigated as DHF is an intermediate in the process of producing tartrates and oxalate from glyoxylate of the citric acid cycle. The proposed pathways for each reaction were mapped by density functional theory (DFT) calculations. The transitions states were confirmed by analyzing the vibrational frequency and the intrinsic reaction coordinate (IRC) theory.

Interactions of Substituted Nitroaromatics with Model Graphene Systems: Applicability of Hammett Substituent Constants To Predict Binding Energies.

Applicability of Hammett parameters (σ and σ ) was tested in extended π-systems in gas phase. Three different model graphene systems, viz. 5,5-graphene (), 3-B-5,5-graphene (), and 3-N-5,5-graphene (), were designed as extended π-systems, and interactions of various nitrobenzene derivatives (mainly - and -substituted together with some multiple substitutions) on such platforms were monitored using density functional theory (M06/cc-pVDZ, M06/cc-pVTZ, M06/sp-aug-cc-pVTZ) and Møller-Plesset second-order perturbation (MP2/cc-pV-DZ) theory.