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Unravelling the origin of strong non-reciprocal chiroptical features in thin films of a chiral diketopyrrolo[3,4-]pyrrole dye.
Nanoscale
January 2025
Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Giuseppe Moruzzi 13, 56124 Pisa, Italy.
The development of chiral organic materials with strong non-reciprocal chiroptical features may have major implications for cutting-edge technological applications. In this work, a new synthesized chiral 1,4-diketo-3,6-dithienylpyrrolo[3,4-]pyrrole dye, bearing two ()-3,7-dimethyl-1-octyl alkyl chains on the lactam moieties and functionalized with two lateral 9-anthracenyl π-conjugated units, exhibited strong non-reciprocal chiroptical properties in thin films, with some important differences between samples prepared by drop casting and spin coating. A detailed study was performed to unravel the intimate structure-property relationship, involving computational analysis, different microscopy techniques and synchrotron radiation Mueller matrix polarimetry imaging (SR-MMP) investigation.
View Article and Find Full Text PDFA tale of two constructs: confirmatory factor analysis of performance and symptom validity tests.
J Clin Exp Neuropsychol
November 2024
DHR Health Neuroscience Institute, Edinburg, TX, USA.
Background: Performance validity (PV) and symptom validity (SV) tests assess biased responding that impact scores on neuropsychological tests. The extent to which PV and SV represent overlapping or unique constructs remains incompletely defined, especially among psychiatric patients in a non-forensic setting. The current study investigated this question using confirmatory factor analysis.
View Article and Find Full Text PDFEarly Operative Risk Assessment Using the Modified Mannheim Peritonitis Index in Patients With Generalised Peritonitis at a Tertiary Hospital in Abuja, Nigeria.
Cureus
September 2024
Department of Surgery, National Hospital Abuja, Abuja, NGA.
Introduction The use of validated prognostic scoring tools in resource-poor environments has been hampered by the cost of procuring and maintaining devices, such as arterial blood gas analysers, to measure critical physiological derangements. Attempts need to be made to adapt these applicable risk stratification tools so they can be easily adopted in developing countries like Nigeria. Aim This study assessed the usefulness of a modified Mannheim peritonitis index (mMPI) as a risk stratification tool in predicting surgical outcomes in managing patients with generalised peritonitis in Abuja, Nigeria.
View Article and Find Full Text PDFPsychopathology and the Validity of Gastrointestinal Symptom Reporting as Revealed Through Cluster Analyses of MMPI-2-RF Results.
Dig Dis Sci
November 2024
The National Centre for Epidemiology and Population Health, The ANU College of Health and Medicine, The Australian National University, Canberra, ACT, 2601, Australia.
Background: Psychological state, self-reported gut symptoms, and somatic complaints are recognized relationships that can impact health assessment and subsequent treatment.
Aim: To investigate the impact of psychological state and personality on symptom self-reporting and somatization.
Methods: Sixty-two (62) participants from the Hunter region of NSW (Australia) undertook a survey of health and lifestyle along with an MMPI-2-RF assessment of personality, psychopathology, and test-taking attitude.
Personality dimensions, depression, and eating behavior in individuals seeking bariatric surgery: a cluster analysis.
Front Nutr
August 2024
Department of Medical Sciences, Hackensack Meridian School of Medicine, Nutley, NJ, United States.
Introduction: Psychiatric comorbidity is frequent in bariatric surgery candidates. This study aimed to classify bariatric surgery patients according to patterns of preoperative measures of the severity of the eating disorder (ED), depression, and personality traits.
Methods: In the present cross-sectional study, 115 adult candidates for bariatric surgery (75 females, 65.
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