Key ingredients for successful collaboration in health research: perspectives of patient research partners.

Background: There are increasing publications on meaningful collaboration between researchers and patient research partners (PRPs), but fewer publications of such work from the PRP perspective using an evaluation framework. Our aim is to present our own perspectives and reflections on meaningful collaboration as PRPs working on a qualitative research study.

Main Body: We were part of a study team that comprised of PRPs, clinicians and academic researchers, and was led by a PRP.

Measuring the Impact of Patient Engagement in Health Research: An Exploratory Study Using Multiple Survey Tools.

Background: Studies report various ways in which patients are involved in research design and conduct. Limited studies explore the influence of patient engagement (PE) at each research stage in qualitative research from the perspectives of all stakeholders.

Methods: We established two small research groups, a Patient Researcher-Led Group and an Academic Researcher-Led Group.

Studying How Patient Engagement Influences Research: A Mixed Methods Study.

Background: There is evidence supporting the value of patient engagement (PE) in research to patients and researchers. However, there is little research evidence on the influence of PE throughout the entire research process as well as the outcomes of research engagement. The purpose of our study is to add to this evidence.

Exploring the outcomes of research engagement using the observation method in an online setting.

Objective: The objective of this study was to explore the outcomes of research engagement (patient engagement, PE) in the context of qualitative research.

Design: We observed engagement in two groups comprised of patients, clinicians and researchers tasked with conducting a qualitative preference exploration project in inflammatory bowel disease. One group was led by a patient research partner (PLG, partner led group) and the other by an academic researcher (RLG, researcher led group).

Pure shift edited NMR methodologies for the extraction of Homo- and heteronuclear couplings with ultra-high resolution.

The scalar couplings that result in the splitting of the signals in the NMR spectrum arise due to the interaction of the nuclear spins, whereby the spin polarization is transmitted through chemical bonds. The interaction strengths depend inter alia on the number of consecutive chemical bonds intervening between the two interacting spins and on the molecular conformation. The pairwise interaction of many spins in a molecule resulting in a complex spectrum poses a severe challenge to analyse the spectrum and hence the determination of magnitudes and signs of homo- and heteronuclear couplings.

A One-Dimensional Phase-Modulated (PM) NMR Experiment for Differentiating Spin Systems in Small Molecules Mixtures: With Application to Chiral Discrimination and Bicomponent Organic Systems.

A one-dimensional phase-modulated NMR experiment, which distinguishes the partially resolved peaks and accelerates the data acquisition due to reduced dimensionality, is reported for differentiating spin systems, with application to chiral discrimination. The multifarious utility of the technique is demonstrated in plenteous examples.

Synthesis and Emergent Photophysical Properties of Diketopyrrolopyrrole-Based Supramolecular Self-Assembly.

Diketopyrrolopyrrole (DPP)-based molecular semiconductors exhibit intriguing optical and charge transport properties. Herein, we rationally design a series of electronically identical but structurally distinct Hamilton receptor (HR)-based supramolecular assembly of DPP. The HR endows supramolecular assemblies via hydrogen bonding with enhanced structural ordering and excitonic couplings.

Competing HB acceptors: an extensive NMR investigations corroborated by single crystal XRD and DFT calculations.

A series of -benzoylanthranilamide derivatives have been synthesized with the substitution of competitive HB acceptors and investigated by NMR spectroscopy and single crystal XRD. The interesting rivalry for HB acceptance between [double bond splayed left]C[double bond, length as m-dash]O and X (F or OMe) is observed in the investigated molecules which leads to an unusual increase in the electron density at the site of one of the NH protons, reflecting in the high field resonance in the H NMR spectrum. The NMR experimental findings and single crystal XRD are further reinforced by the DFT studies.

Knowledge translation resources to support the use of quality of life assessment tools for the care of older adults living at home and their family caregivers.

Purpose: To support the use of quality of life (QOL) assessment tools for older adults, we developed knowledge translation (KT) resources tailored for four audiences: (1) older adults and their family caregivers (micro), (2) healthcare providers (micro), (3) healthcare managers and leaders (meso), and (4) government leaders and decision-makers (macro). Our objectives were to (1) describe knowledge gaps and resources and (2) develop corresponding tailored KT resources to support use of QOL assessment tools by each of the micro-, meso-, and macro-audiences.

Methods: Data were collected in two phases through semi-structured interviews/focus groups with the four audiences in Canada.

A research agenda to improve patients' experience of knee replacement surgery: a patient-oriented modified Delphi study of patients of South Asian origin in British Columbia.

Background: Up to 1 in 5 patients who undergo total knee arthroplasty (TKA) express dissatisfaction with their surgery. Our goal was to understand the experiences of patients of South Asian origin who undergo TKA and to identify a research agenda for this patient population.

Methods: We undertook a modified Delphi study in British Columbia to generate and prioritize potential research topics.

Retention of strong intramolecular hydrogen bonds in high polarity solvents in binaphthalene-benzamide derivatives: extensive NMR studies.

Advanced multidimensional NMR techniques have been employed to investigate the intramolecular hydrogen bonds (HBs) in a series of ,'-([1,1'-binaphthalene]-2,2'-diyl)bis(benzamide) derivatives, with the site-specific substitution of different functional groups. The existence of intramolecular HBs and the elimination of any molecular aggregation and possible intermolecular HBs are ascertained by various experimental NMR techniques, including solvent polarity dependent modifications of HB strengths. In the fluorine substituted derivative, direct evidence for the engagement of organic fluorine in HB is obtained by the detection of heteronuclear through-space correlation and the coupling between two NMR active nuclei where the transmission of spin polarization is mediated through HBs ( ).

Correction: Mishra, S.K. and Suryaprakash, N. Intramolecular Hydrogen Bonding Involving Organic Fluorine: NMR Investigations Corroborated by DFT-Based Theoretical Calculations: 2017, , 423.

The authors wish to make the following corrections to their paper [...

Revisiting patient satisfaction following total knee arthroplasty: a longitudinal observational study.

Background: Total knee arthroplasty (TKA) is the most common joint replacement surgery in Canada. Earlier Canadian work reported 1 in 5 TKA patients expressing dissatisfaction following surgery. A better understanding of satisfaction could guide program improvement.

Intramolecular hydrogen bond directed stable conformations of benzoyl phenyl oxalamides: unambiguous evidence from extensive NMR studies and DFT-based computations.

A number of benzoyl phenyl oxalamide derivatives have been synthesized and characterized by the extensive utility of one- and two-dimensional NMR experimental techniques. The manifestation of intramolecular hydrogen bonds in all of the synthesized molecules, convincingly established using NMR studies, governs the stable conformations of the molecules. In the fluorine substituted molecules, the coupling between two NMR active nuclei mediated through hydrogen bonds has been detected.

Intramolecular Hydrogen Bonding Appetency for Conformational Penchants in Oxalohydrazide Fluoro Derivatives: NMR, MD, QTAIM, and NCI Studies.

The conformational stability of synthesized diphenyloxalohydrazide and dibenzoyloxalohydrazide fluoro derivatives has been investigated by extensive NMR studies that are ascertained by various levels of theoretical calculations. Two-dimensional H-F HOESY NMR experiments revealed the close spatial proximity between two NMR-active nuclei, confirming the hydrogen bond (HB)-mediated interaction between them, further aiding in establishing the probable stable conformations of these molecules. The relaxed potential energy scan disclosed the energy-minimized most stable structure among the several possible multiple conformations, which is in concurrence with NMR interpretations.

Orchestrated approaches using pure shift NMR: Extraction of spectral parameters, ultra-high resolution, and sensitivity enhancement.

The limited chemical shift range of protons and pairwise interaction among all the abundant nuclear spins of a molecule makes H spectrum too complicated. As a consequence, the straightforward analysis and the accurate extraction of their interaction strengths from the H spectrum of a complex spin system are formidably difficult or often impossible. This problem persists in the determination of scalar couplings be it between two abundant homonuclear spins or between H and an abundant heteronuclear spin (viz.

Intramolecular HB Interactions Evidenced in Dibenzoyl Oxalamide Derivatives: NMR, QTAIM, and NCI Studies.

Extensive NMR spectroscopic studies revealed information on the occurrence of bifurcated intramolecular hydrogen bond in the dibenzoyl oxalamide derivatives. One-dimensional NMR experiments, viz., solvent dilution, temperature perturbation, and two-dimensional experimental techniques, such as N-H HSQC and F-H HOESY, have been exploited to derive unambiguous confirmation of the participation of organic fluorine in the hydrogen-bonding interaction.

Pure shift edited ultra high resolution NMR spectrum with complete eradication of axial peaks and unwanted couplings.

Poor chemical shift dispersion and pairwise interaction among the entire coupled network of spins results in complex one dimensional H NMR spectra, severely hampering the analysis and the accurate determination of J. Available two dimensional selective refocusing based techniques suffer from the evolution of undesirable couplings and intense axial peaks, creating ambiguity in the analysis and the extraction of coupling values. In this work, we report a novel two dimensional experiment for the complete elimination of axial peaks and unwanted couplings, while retaining only the couplings of the selected proton to its partners, with a blend of ultra-high resolution achieved by real time broad band homonuclear decoupling.

The importance of informational, clinical and personal support in patient experience with total knee replacement: a qualitative investigation.

Background: Total knee arthroplasty (TKA) is the most frequently performed joint replacement surgery in North America. Patient perspectives on TKA have been investigated in various ways, including finding as many as 20% of TKA patients are dissatisfied with their surgical outcomes. Understanding the patient experience with TKA broadly and in relation to patient satisfaction is a key gap in existing literature.

Intramolecular Hydrogen Bonding Involving Organic Fluorine: NMR Investigations Corroborated by DFT-Based Theoretical Calculations.

The combined utility of many one and two dimensional NMR methodologies and DFT-based theoretical calculations have been exploited to detect the intramolecular hydrogen bond (HB) in number of different organic fluorine-containing derivatives of molecules, viz. benzanilides, hydrazides, imides, benzamides, and diphenyloxamides. The existence of two and three centered hydrogen bonds has been convincingly established in the investigated molecules.

Two- and Three-Centered Hydrogen Bonds Involving Organic Fluorine Stabilize Conformations of Hydrazide Halo Derivatives: NMR, IR, QTAIM, NCI, and Theoretical Evidence.

The presence of two- and three-centered hydrogen bonds (HB) of the type H(N)···X-C and C═O···H(N)···X-C, respectively, involving organic fluorine in the synthesized hydrazide halo derivatives have been convincingly established by extensive multidimensional NMR studies. The stabilized conformation of the molecules involving two- and three-centered HBs derived by NMR studies have been further confirmed by density functional theory (DFT)-based calculations, such as quantum theory of atoms in molecules (QTAIM), noncovalent interaction (NCI), and relaxed potential energy scan.

Enantio-differentiation of molecules with diverse functionalities using a single probe.

This study reports (1S,2S)-N,N'-dihydroxy-N,N'-bis(diphenylacetyl)-1,2-cyclohexanediamine, a C2 symmetric chiral hydroxamic acid ((S)-CBHA-DPA), as a unique probe for discrimination of molecules with diverse functionalities. The proposed CSA is also utilized for the accurate measurement of enantiomeric excess.

RNA nucleosides as chiral sensing agents in NMR spectroscopy.

The study reports chiral sensing properties of RNA nucleosides. Adenosine, guanosine, uridine and cytidine are used as chiral derivatizing agents to differentiate chiral 1°-amines. A three component protocol has been adopted for complexation of nucleosides and amines.

Intramolecular hydrogen bonds involving organic fluorine in the derivatives of hydrazides: an NMR investigation substantiated by DFT based theoretical calculations.

The rare examples of intramolecular hydrogen bonds (HB) of the type the N-H∙∙∙F-C, detected in a low polarity solvent in the derivatives of hydrazides, by utilizing one and two-dimensional solution state multinuclear NMR techniques, are reported. The observation of through-space couplings, such as, (1h)JFH, and (1h)JFN, provides direct evidence for the existence of intra-molecular HB. Solvent induced perturbations and the variable temperature NMR experiments unambiguously establish the presence of intramolecular HB.