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To explore the relationship between social support and quality of life (QoL) among family caregivers of persons with severe mental illness (SMI) and examine the mediating roles of care burden and loneliness.

A cross-sectional study was carried out between December 2017 and May 2018. A random sample of 256 family caregivers of persons with SMI in rural areas of Sichuan Province, China was recruited for participation. Survey data on socio-demographics, social support, care burden, loneliness, and QoL were collected via in-person interviews. Multiple linear regression analysis and structural equation modeling (SEM) were used to test the hypothesized relationships.

The majority (72.7%) of family caregivers of persons with SMI in this study reported having low QoL. Social support was positively associated with QoL and negatively associated with care burden and loneliness. The findings suggested the mediating roles of care burden and loneliness on the association between social support and QoL.

The hypothesized model was found to be a suitable model for predicting QoL among family caregivers of persons with SMI. The findings can help inform the design of future interventions aimed at enhancing social support, reducing care burden and loneliness, which may be helpful to improve caregivers' QoL. Future study is required to find a causal path to promote QoL among family caregivers of persons with SMI.
The hypothesized model was found to be a suitable model for predicting QoL among family caregivers of persons with SMI. The findings can help inform the design of future interventions aimed at enhancing social support, reducing care burden and loneliness, which may be helpful to improve caregivers' QoL. Future study is required to find a causal path to promote QoL among family caregivers of persons with SMI.Upregulation of Heme Oxygenase-1 (HO-1) has been widely implicated in cancer growth and chemoresistance. This explains the numerous drug discovery efforts aimed at mitigating its pro-carcinogenic roles till date. In a recent study, two selective azole-based HO-1 inhibitors (Cpd1 and Cpd2) were synthesized, which exhibited differential inhibitory potencies of ~200μm. Interestingly, variations in the affinities of these compounds were determined by their positioning across specific regions of the HO-1 binding domain, pin-pointing a pharmacological interrelationship that remains unresolved. Therefore, in this study, using molecular dynamics simulations and binding free energy calculations, we investigate how dynamical orientations of these compounds influence their binding affinities at the active HO-1 domain. Findings revealed favorable binding for the bromobenzene and imidazole substituents of Cpd1 at the western and eastern regions of the HO-1 active domain. 1-Deoxynojirimycin manufacturer The constituent hydroxyl group was coordinated by residues Asp140 and Arg136 over the simulation period. On the contrary, stable binding of the bromobenzene and imidazole substituents were negated by the optimal orientations of the benzyl substituent, which extended into the northeastern region. These were supported by the displacement of Asp140 and Arg136, crucial for hydrogen bond formation in Cpd1. Also, we observed that Cpd2 exhibited high deviations indicative of an unstable binding relative to Cpd1. This further supports the presumption that Cpd2 was systematically oriented away from the active HO-1 region, a phenomenon that was due to the optimal motions of the benzyl group at the northeastern regions. The highlight of our findings is that the benzyl substituent in Cpd2 elicited negative effects on HO-1, vis a vis, instability, displacement of crucial residues, and low binding energy when compared to Cpd1. Findings pave the way for future drug discovery efforts related to HO-1 inhibition in cancer therapy.Medical physicists are health professionals recognized by the International Labour Organization (ILO) and hence medical physicists working in a clinical environment should have the required competency and undergo a structured training program and residency under an experienced medical physicist in a recognized institution. Furthermore, medical physics is a rapidly growing area needing a high degree of knowledge and professional competency due to the rise in complexity of treatment procedures, increasing access to medical technology, and the requirement of coordination between the disciplines of medicine, physics and biomedical engineering. The unprecedented surge in medical physics competency in the last 2-3 decades is due to the implementation of specialized physics intensive procedures such as particle therapy, image-guided & intra-operative radiotherapy, advanced imaging and nuclear medicine techniques. In this scenario to handle this new technology era the quantity of qualified medical physicists needs tos health professionals.SO2 and its derivatives are widely present in the environment and living organisms, endangering the environment and human health. Therefore, it is of great significance for the effective detection of sulfur dioxide (SO2) and its hydrated derivatives (HSO3- /SO32-). In this study, based on the mechanism of intramolecular charge transfer (ICT), a water-soluble colorimetric fluorescent probe (E)-2-(4-acetamidostyryl)-3-(5-carboxypentyl)-1, 1-dimethyl-1H-benzo[e]indol-3-ium (ABI) for the detection of SO2 derivatives was successfully synthesized from p-acetaminobenzaldehyde by connecting the benzo[e]indoles cationic fluorophore containing highly activated methyl via C = C double bond, and the ABI structure was characterized by HRMS and 1H NMR, 13 C NMR. Studies have shown that the ABI probe has some advantages such as good selectivity for SO2 derivatives, high sensitivity (detection limit LOD = 14.9 nM), and fast reaction rate. After adding HSO3-, the color of the probe solution changed from light yellow to colorless within 10 s, which provides a simple way to identify bisulfite with the naked eye. Studies on the effect of pH on the fluorescence performance of ABI showed that fluorescence performance of ABI was stable in the range of pH (7.0-10.26). Therefore, ABI is expected to become an effective tool for detecting SO2 derivatives in cells and organisms in the future.
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