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Notably, such AvDs as ribavirin, remdesivir, favipiravir, chloroquine, lopinavir and ritonavir have been confirmed to bind to the severe acute respiratory syndrome-like coronavirus (SARS-CoV-2) receptor and thus may represent anti-COVID-19 treatments. Elucidating the metabolic and pharmacokinetic characteristics of AvDs may help pharmacologists to identify new formulations with high bioavailability and efficacy and help physicians to better treat virus-related diseases, including COVID-19.

Understanding structural interactions between the active drug and conjugated nanoparticles is critical for optimizing intracellular drug transport and for increasing nano drug efficacy. In this regard, analyzing the conformational deformation of conjugated drugs surrounding nanoparticles is essential to understand the corresponding nanodrug efficacy.

The objective of this study is to present an optimal synthesis method for efficient drug delivery through a clear structural analysis of nanodrugs according to the type of conjugation.

In this study, the structural variation of methotrexate (MTX) surrounding carbon nanotubes, depending on the type of conjugation style, such as covalent and non-covalent (PEGylation) bonds, was investigated. Specifically, covalent bonds of MTX surrounding CNTs induced greater structural deformation compared to non-covalent bonds (ie, PEGylated CNT).

Greater changes in the structural variations of MTX analyzed by nuclear magnetic resonance (NMR) significantly improved the anti-inflammatory drug efficacy of human fibroblast-like synovial cells (FLS) via stable drug release in the extracellular environment and burst drug release under intracellular conditions.

Greater changes in the structural variations of MTX analyzed by nuclear magnetic resonance (NMR) significantly improved the anti-inflammatory drug efficacy of human fibroblast-like synovial cells (FLS) via stable drug release in the extracellular environment and burst drug release under intracellular conditions.

Natural cyclopeptide RA-XII, isolated from

, is a promising chemotherapeutic agent for colon cancer. The photosensitizer protoporphyrin-IX attached with triphenylphosphonium (TPP) could possess mitochondria targeting capacity and exert photodynamic therapy (PDT) by inducing oxidizing damage to the mitochondria and cell apoptosis eventually. In this work, pH-sensitive liposomes were constructed to simultaneously deliver RA-XII as a chemotherapeutic drug and modified porphyrin as a mitochondria-targeting photosensitizer to treat colon cancer, and verified its mechanism of action and antitumor therapeutic efficacy.

The colon cancer targeting liposome nanoparticle RA/TPPP-Lip was synthesized using thin film hydration. The therapeutic effect and targeting ability of RA/TPPP-Lip was investigated in vitro. And use HCT116 cell allogeneic subcutaneous transplantation tumor model to investigate the anti-tumor and targeting effects of RA/TPPP-Lip in vivo.

RA/TPPP-Lip gained the targeting ability through surface-an achieve the targeted continuous release of multiple therapeutic drugs. This work provides a new strategy for precise combination therapy, which may promote the further development of collaborative cancer treatment platforms.

Oral health problems among elderly people are an important public health issues worldwide. Oral healthcare is essential to the health and well-being of elders and is one of the key indicators determining their quality of life. This research aimed to study oral health literacy, self-efficacy, social support, and demographic characteristic factors associated with the oral health care behaviors of elderly people living in the rural areas of northern Thailand.

This research was a cross-sectional study that recruited 406 elderly participants using convenience and snowball samplings. Participants' names were obtained from the registration list of the Java Health Center Information System (JHCIS) program, where they received a health service between 2018 and 2020. Data were obtained through face-to-face interviews with participants, while they were waiting to receive a health service or through a phone interview. Linear regression was analyzed to determine the factors associated with oral healthcare behaviors.

behaviors among elderly people should be considered by health care providers and those who provide social support. Self-esteem, communication skills among service providers and service receivers, and self-management of oral healthcare should receive special attention. Moreover, social support and relevant agencies can help promote oral healthcare by collaborating with other healthcare providers for better oral health outcomes among elderly people.

The prevalence of neurocognitive disorders, especially dementia, is rising due to an increase in longevity. Early detection and diagnosis of neurocognitive impairments are important for early interventions and appropriate management of reversible causes, especially by the primary health workers. However, this study aimed to determine the prevalence and associated factors of severe neurocognitive impairment among elderly persons attending a tertiary hospital in Uganda.

This cross-sectional survey was conducted in a Ugandan hospital setting, where older adults go for treatment for their chronic health problems. Following the inclusion criteria, interviews were conducted, where information about socio-demographics was collected, whereas neurocognitive impairment and functionality were assessed by Mini-Mental State Examination and Barthel Index, respectively. Chi-square test, Pearson correlation test, and logistic regression were performed to determine the factors associated with severe neurocognitive impairmenable early detection and treatment of reversible causes of neurocognitive impairment, such as depression and delirium to enable better functionality.

Medication has been a central part of treatment for severe mental disorders in Western medicine since the 1950s. In 2015, Norwegian Health Authorities decided that Norwegian health regions must have treatment units devoted to medication-free mental health treatment to enhance service users' freedom of choice. The need for these units has been controversial. The aim of this study was to examine why service users choose medication-free services. This article examines what purpose these units serve in terms of the users' reasons for choosing this service, what is important for them to receive during the treatment, and what factors lay behind their concerns in terms of medication-related views and experiences.

Questionnaires were answered by 46 participants and 5 participants were interviewed in a mixed-method design integrated with a concurrent triangulation strategy applying thematic analysis and descriptive statistics.

Negative effects of medications and unavailable alternatives to medication in ordinary health care were important reasons for wanting medication-free treatment. Medication use may conflict with personal values, attitudes, and beliefs.

This study broadens the understanding of why the demand for separate medication-free units has arisen. The findings may contribute to making medication-free treatment an option in mental health care in general. To this end, clinicians are advised to communicate all treatment alternatives to service users and to be mindful of the effect of power imbalances in their interactions with them.

This study broadens the understanding of why the demand for separate medication-free units has arisen. The findings may contribute to making medication-free treatment an option in mental health care in general. To this end, clinicians are advised to communicate all treatment alternatives to service users and to be mindful of the effect of power imbalances in their interactions with them.

The objectives of this study were to determine the prevalence of microbial contamination of multi-user preserved ophthalmic drops (POD) in Ophthalmology Outpatient Clinic (OOC), to compare the rate of contamination between the dropper tip and the residual contents in the bottle, and to identify the contaminating organisms.

This was an observational cross-sectional study using a convenience sampling method conducted in the OOC of Universiti Kebangsaan Malaysia Medical Center, Malaysia. The samples of POD bottles were divided into groups obtained after 14 days (T14) and after 30 days (T30) of use. The contamination rate at the dropper tip and in the residual contents was determined and the contaminating organisms were identified.

A total of 140 of 149 extended-use POD bottles were included. The prevalence of contamination was 30%. There was a statistically significant difference in the rate of contamination between samples T14 and T30 (19% and 11%, respectively;

=0.046). Proparacaine and tropicamide showed higher contamination rates in the T14 samples (

=0.027 and

=0.497, respectively) than in the T30 samples. The site of contamination was higher at the dropper tip than in the residual contents (

>0.05). Coagulase-negative

species were the most frequently identified contaminants (89%).

The dropper tip was more contaminated than the residual contents, and coagulase-negative

species, which are common commensal flora of the ocular conjunctiva and skin, were the most frequently identified organisms.

The dropper tip was more contaminated than the residual contents, and coagulase-negative Staphylococcus species, which are common commensal flora of the ocular conjunctiva and skin, were the most frequently identified organisms.

To compare the postoperative outcomes of deep anterior lamellar keratoplasty (DALK) and penetrating keratoplasty (PKP) for macular corneal dystrophy (MCD).

Single-center, retrospective, interventional case series.

A chart review was performed of 100 patients (157 eyes) who underwent primary DALK (DALK group) and PKP (PKP group) for histopathologically confirmed MCD for whom at least 12 months of follow-up were available. Between-group comparisons were performed of visual acuity (VA), graft survival, and postoperative complications.

There were 22 eyes in the DALK group and 135 in the PKP group. Postoperative best-corrected visual acuity (BCVA) of 20/40 or better was achieved in 90.9% of the DALK group and 76.3% of the PKP group (

=0.12). At last visit, graft survival was 95.5% (21 eyes) and 91.1% (123 eyes) in DALK and PKP groups, respectively (

=0.69, Log rank test). Corneal graft rejection episodes occurred in 1 (4.5%) DALK graft and 19 (14.1%) PKP grafts. Five of the 19 graft rejections in the PKP group were irreversible. Microbial keratitis and cataract occurred in 6 (4.5%) and 15 (11.1%) PKP eyes. One (4.5%) eye in the DALK group had cataract and none of the DALK cases developed microbial keratitis. Clinically significant recurrence was observed in 4 (2.9%) PKP eyes and 1 (4.5%) DALK eye (

=0.69), respectively.

DALK is a viable option for MCD without Descemet membrane involvement. DALK had comparable medium-term visual and survival outcomes to PKP. DALK has the advantage of lower open sky intraoperative complications and lower graft rejection episodes.

DALK is a viable option for MCD without Descemet membrane involvement. Panobinostat DALK had comparable medium-term visual and survival outcomes to PKP. DALK has the advantage of lower open sky intraoperative complications and lower graft rejection episodes.