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Future studies should evaluate contributions of current targeted post-discharge methods or therapies. [Research in Gerontological Nursing, 15(4), 179-191.].The purpose of the current qualitative phenomenological study is to learn about the lived experiences of assisted living (AL) community administrators during the coronavirus disease 2019 (COVID-19) pandemic. Little is known about how administrators coped with the ever-changing mandates (e.g., visitation, testing, communal activities, acceptance of COVID-positive residents). Semi-structured interviews with AL administrators were conducted, transcribed verbatim, and analyzed for meaning and essence using a modified Giorgi's approach. Data analysis showed that administrators experienced a multitude of feelings and actions related to the well-being of staff, residents, and residents' families. Findings also identified the complexity of the constant changes, including limited resources and policy changes, of the AL administrators' lived experiences during the pandemic. Results from this study can inform policies and strategies for providing care to this often-overlooked population of older adults. [Research in Gerontological Nursing, 15(4), 164-171.].Despite poor sleep among older adults, little is known about the sleep habits of older immigrants living in the United States. The current pragmatic qualitative descriptive study explored sleep among older Korean immigrants, using a focus group with six participants and individual phone interviews with 22 Korean immigrants aged ≥60 years. Transcripts were coded to identify underlying themes. Several thematic categories were identified under six domains daytime function, getting ready for bed, falling asleep, awakenings during sleep, going back to sleep, and seeking advice from peers. Unhealthy sleep behaviors were found during daytime and bedtime, particularly among those who were retired/unemployed or living alone. Seeking advice from peers was common but none of the advice helped participants sleep. Sleep education programs in Korean-speaking communities can be used to target those who are socially isolated and may benefit older Korean immigrants with sleep difficulties. [Research in Gerontological Nursing, 15(4), 193-202.].
Effectively reading scientific publications, for example, research/quality improvement, is an acquired skill. Critical appraisal identifies articles' strengths and weaknesses related to credibility and authenticity or appropriate standards.
To stimulate rehabilitation nurses' interest/participation in reading to appraise published studies (using brief evaluation questions).
Read in this order (1) title, abstract, and key words (are these words clear and directly connected to identified problem?), (2) discussion and conclusion (how are results/findings interpreted; are there recommendations for actions?), (3) results/findings (do key outcomes relate to the problem?), (4) introduction and review of literature (what are main arguments for study/project; does the study build on what's already known?), (5) data collection and analysis methods (are materials/procedures described for gathering information and evaluation?), and (6) references (are citations accurate/up-to-date?).
Steps taken on this path help close the gap in reading to appraise scientific publications, discovering ways to build evidence-based rehabilitation nursing practices.
Steps taken on this path help close the gap in reading to appraise scientific publications, discovering ways to build evidence-based rehabilitation nursing practices.This work presents a fully disposable microchamber for gas generation of a sample solution. The microchamber consists of a cylindrical well-reactor and a paper-based microfluidic lid (μFluidic lid), which also serves as the reagent loading and dispensing unit. The base of the reactor consists of a hydrophobic membrane covering an in-house graphene electrochemical gas sensor. Fabrication of the gas sensor and the three-layer μFluidic lid is described. The μFluidic lid is designed to provide a steady addition of the acid reagent into the sample solution instead of liquid drops from a disposable syringe. There are three steps in the procedure (i) acidification of the sample in the reactor to generate SO2 gas by the slow dispensing of the acid reagent from the μFluidic lid, (ii) diffusion of the liberated SO2 gas through the hydrophobic membrane at the base of the reactor, and (iii) in situ detection of SO2 by cathodic reduction at the graphene electrode. The device was demonstrated for quantitation of the sulfite preservative in wine without heating or stirring. The selectivity of the analysis is ensured by the combination of the gas-diffusion membrane and the selectivity of the electrochemical sensor. The linear working range is 2-60 mg L-1 SO2, with a limit of detection (3SD of intercept/slope) of 1.5 mg L-1 SO2. This in situ method has the shortest analysis time (8 min per sample) among all voltammetric methods that detect SO2(g) via membrane gas diffusion.We present an efficient set of methods for propagating excited-state dynamics involving a large number of configuration interaction singles (CIS) or Tamm-Dancoff approximation (TDA) single-reference excited states. Specifically, (i) following Head-Gordon et al., we implement an exact evaluation of the overlap of singly-excited CIS/TDA electronic states at different nuclear geometries using a biorthogonal basis and (ii) we employ a unified protocol for choosing the correct phase for each adiabat at each geometry. For many-electron systems, the combination of these techniques significantly reduces the computational cost of integrating the electronic Schrodinger equation and imposes minimal overhead on top of the underlying electronic structure calculation. As a demonstration, we calculate the electronic excited-state dynamics for a hydrogen molecule scattering off a silver metal cluster, focusing on high-lying excited states, where many electrons can be excited collectively and crossings are plentiful. Interestingly, we find that the high-lying, plasmon-like collective excitation spectrum changes with nuclear dynamics, highlighting the need to simulate non-adiabatic nuclear dynamics and plasmonic excitations simultaneously. In the future, the combination of methods presented here should help theorists build a mechanistic understanding of plasmon-assisted charge transfer and excitation energy relaxation processes near a nanoparticle or metal surface.Many chemical reactions, such as multistep catalytic cycles, are cascade reactions in which a series of transient intermediates appear and disappear stochastically over an extended period. The mechanisms of such reactions are challenging to study, even in ultrafast pump-probe experiments. The dimerization of a van der Waals dimer of [60]fullerene producing a short carbon nanotube is a typical cascade reaction and is probably the most frequently studied in carbon materials chemistry. As many as 23 intermediates were predicted by theory, but only the first stable one has been verified experimentally. With the aid of fast electron microscopy, we obtained cinematographic recordings of individual molecules at a maximum frame rate of 1600 frames per second. Using Chambolle total variation algorithm processing and automated cross-correlation image matching analysis, we report on the identification of several metastable intermediates by their shape and size. Although the reaction events occurred stochastically, varying the lifetime of each intermediate accordingly, the average lifetime for each intermediate structure could be obtained from statistical analysis of many cinematographic images for the cascade reaction. Among the shortest-living intermediates, we detected one that lasted less than 3 ms in three independent cascade reactions. We anticipate that the rapid technological development of microscopy and image processing will soon initiate an era of cinematographic studies of chemical reactions and cinematic chemistry.
Glioma is a common type of brain tumor with high incidence and mortality rates. Procollagen C-protease enhancer protein (PCOLCE) has been shown to regulate tumor growth and metastasis in several cancers. However, the role of PCOLCE in glioma is unknown. This study aims to assess the association between PCOLCE and prognosis of glioma, and investigated the potential mechanisms.
The prognostic value of PCOLCE was determined using data from nine publicly available glioma cohorts. We also investigated the relationship between PCOLCE and glioma immune microenvironment and predicted response to immunotherapy based on the expression levels of PCOLCE. The potential roles of PCOLCE in glioma were also explored and validated in cell experiment.
Survival analysis suggested that high-PCOLCE expression was associated with poor prognosis in glioma. Upregulation of PCOLCE enhanced an immune suppressive microenvironment in glioma by regulating immunocyte infiltration and Cancer-Immunity Cycle. Cox and ROC analysis revealed that PCOLCE was a prognostic factor for glioma and could be used to predict survival of the patients. Patients with low-PCOLCE expression were more likely to respond to Immunotherapy with ICI (immune checkpoint inhibitor) and survive longer. Enrichment analysis showed that PCOLCE was associated with multiple tumor-related pathways. Finally, we demonstrated that the knockdown of PCOLCE inhibited glioma development by regulating cell cycle and promoting apoptosis in in vitro experiments.
PCOLCE promotes glioma progression by regulating multiple tumor-related pathways and immune microenvironment and can be used as a prognostic factor for glioma.
PCOLCE promotes glioma progression by regulating multiple tumor-related pathways and immune microenvironment and can be used as a prognostic factor for glioma.Heart failure affects 6.2 million Americans and is increasing annually in its frequency. Treatment of heart failure has been at the forefront of medical advancements due to the financial burden on our health care system. As such, changes to the guidelines regarding standard of care has been evolving over the last decade with the recent additions of sacubitril-valsartan and SGLT2 inhibitors to standard of care in the treatment of heart failure. Despite the aforementioned expansions in treatment options, heart failure continues to have a significant impact on the American healthcare system. Most recently, a novel drug, Vericiguat that targets an unprecedented pathway for the treatment of heart failure, was FDA approved for the management of patients with heart failure with a reduced ejection fraction with a recent hospitalization or need for outpatient IV diuretics. In clinical trials, Vericiguat was associated with a reduction in death from cardiovascular causes and first hospitalization in comparison to placebo. The aim of this review is to provide a comprehensive literature analysis of the various trials surrounding the approval of Vericiguat, and to both inform and synthesize the data surrounding the clinical use of Vericiguat. The introduction of Vericiguat should be considered as a treatment option in patients to decrease the mortality/morbidity of heart failure with reduced ejection fraction, and to increase the quality of life.
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