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Ta-induced electronic reconstruction in CaSiO3: wide-band-gap modulation, emergent metallic behavior, and multifunctional response from first-principles.

A comprehensive first-principles investigation was conducted to clarify the impact of Ta substitution at the Si site on the structural, electronic, optical, thermoelectric, mechanical, and magnetic properties of CaSiO3. The pristine cubic model has an optimized lattice parameter of 3.607 Å, whereas Ta incorporation at 12.5% and 25% preserves the host framework while inducing local B-O coordination rearrangement. The equilibrium volume increases from 2533.4554 Bohr3 for pristine CaSiO3 to 2755.1025 and 3155.7362 Bohr3 for the 12.5% and 25% Ta-substituted systems, respectively. The EOS-derived b

Early skin-to-skin contact for mothers and their healthy newborn infants.

BACKGROUND: Mother-infant separation post birth is common. In standard hospital care, newborn infants are held wrapped or dressed in their mother's arms, placed in open cribs or under radiant warmers. Skin-to-skin contact (SSC) begins ideally at birth and should last continually until the end of the first breastfeeding. SSC involves placing the dried, naked baby prone on the mother's bare chest, often covered with a warm blanket. According to mammalian neuroscience, the intimate contact inherent in this place (habitat) evokes neuro-behaviors ensuring fulfillment of basic biological needs. This

[Properties of gelatin-polyethylene glycol hydrogel loaded with silver nanoparticle Chlorella and its effects on healing of infected full-thickness skin defect wounds in mice].

Objective: To explore the properties of gelatin-polyethylene glycol hydrogel loaded with silver nanoparticle (AgNP) Chlorella (hereinafter referred to as the composite hydrogel) and its effects on healing of infected full-thickness skin defect wounds in mice. Methods: The research was an experimental research. The simple gelatin-polyethylene glycol hydrogel (hereinafter referred to as the simple hydrogel) and the composite hydrogel were prepared, and the appearance and injectability of the two hydrogels were observed at 55 and 37 ℃, and under the irradiation of 808 nm near-infrared light, resp

Mpox-HIV co-infection in a low-incidence setting: epidemiological insights from Qinghai, China.

OBJECTIVE: Using the first reported case of mpox and HIV co-infection in Qinghai Province, China, as a case study, this paper examines the epidemiological characteristics and transmission dynamics of mpox-HIV co-infection in low-incidence settings, as well as systemic gaps in surveillance, diagnosis, and response. It aims to generate broadly applicable insights for mpox prevention and control in similar low-incidence regions worldwide. METHODS: A retrospective epidemiological investigation was conducted involving Case A, a patient with mpox-HIV co-infection reported by a hospital in Qinghai P

Коррозионное поведение Incoloy_800H, Hasteloy ¶G35> и 316L бесшовной стали в смеси фтористых молотков FLINAK и ее паров

Данная статья рассматривает результаты эксперимента по коррозии, который исследует переходную зону между нижней и верхней областями образца. В этом эксперименте нижняя половина поверхности образца подвергается воздействию расплавленной соли, а верхняя половина поверхности образца подвергается воздействию паров, генерируемых расплавленной солью FLiNak. Для коррозионного эксперимента были выбраны сплавы Incoloy®800H и Hastelloy®G35® и нержавеющая сталь 316L на основе их содержания хрома. Эксперимент был проведен при температуре 600 °C в течение 100 часов. Результаты эксперимента показывают, что

Молекуляризация допанта в β-Ga2O3: образование N2 в условиях неравновесия.

Микроскопическая судьба допингов, вводимых в условиях неравновесия, остается в значительной степени нерешенной в отношении оксидов широкополосного раствора. С помощью спектроскопии рентгеновского поглощения N-конечного N-K, мы непосредственно решим местную конфигурацию связывания имплантированного азота ()100β-Ga2O3. В спектрре доминирует резкий резонанс, присущий NN, который систематически усиливается при аннезе, что дает прямой спектроскопический отпечаток молекулярного образования азота. Первые принципы расчетов и многоразового моделирования воспроизводят эти спектральные особенности и опре

Effects of human umbilical cord mesenchymal stem cells derived from exosomes on migration ability of endometrial glandular epithelial cells.

The present study aimed to investigate the effects of human umbilical cord mesenchymal stem cells (Huc‑MSCs)‑derived exosomes on the migratory abilities of endometrial glandular epithelial cells, and to evaluate the underlying mechanism from the perspective of epithelial‑mesenchymal transition (EMT). Huc‑MSCs were prepared from human umbilical cord, and eutopic endometrial glandular epithelial cells were isolated from patients with endometriosis. The exosomes derived from Huc‑MSCs (Huc‑MSCs‑exo) were prepared using an exosome extraction kit. The endometrial glandular epithelial cells were rand

Улучшить долгосрочные механические свойства термопластических короткокалорийных соединений с использованием альтернативных матриц.

Древесные пластиковые композитные материалы (ВКН) обеспечивают средства для уменьшения углеродного следа за счет использования натуральных волокон для повышения механических свойств. Однако имеется ограниченная информация о механических свойствах этих материалов во враждебных условиях. В этом исследовании была проведена оценка составов полипропилена (PP), полистирола (PS) и полилактической кислоты (PLA), обработанных путем экструдирования и инъекции. Были проведены испытания на прочность и модулю прочности на растяжение и флексур, температуру смещения тепла (HDT) и на анализ ползучести при раз

Совпадение в полном тексте источника
… When subjected to the crystallization process, polylactic acid (PLA) increased the glass transition temperature, suggesting an enhanced degree of crystallinity in the samples [ 130 ]. … At 60 °C, the situation changes radically, and the PLA-based materials have no remaining strength (the glass transition temperature and the HDT temperature of PLA is approximately 55 °C). …

Polyphyllin I Inhibits the Metastasis of Cervical Cancer Through the Regulation of the β-Catenin Signaling Pathway.

Cervical cancer ranks as the fourth most prevalent cancer and cause of cancer-related mortality among women globally. It exhibits a recurrence/metastasis rate of approximately 30% and a dismal 5-year survival of only 17% in metastatic cases. Despite significant advancements in surgical techniques, chemoradiotherapy, and targeted therapies, effective treatment options for metastatic cervical cancer remain limited. This study explored Polyphyllin I (PPI), which is a monomeric compound derived from the Rhizoma of Paris Polyphyllin, as a potential inhibitor of cervical cancer metastasis. Mechanist

Curcumol inhibits the malignant progression of prostate cancer and regulates the PDK1/AKT/mTOR pathway by targeting miR‑9.

Curcumol has been reported to exert anti‑tumor activity, but its intrinsic molecular mechanism in prostate cancer remains to be elucidated. The present study aimed to analyze the effect of curcumol on prostate cancer and identify its possible internal regulatory pathway using in vitro cell culture and in vivo tumor model experiments. The cytotoxicity of curcumol was detected using a Cell Counting Kit‑8 assay and it was found that curcumol had no obvious toxicity or side effects on RWPE‑1 cells. Wound healing, Transwell and flow cytometry assays demonstrated that curcumol could affect the activ

Long non-coding RNA LINC00968 attenuates drug resistance of breast cancer cells through inhibiting the Wnt2/β-catenin signaling pathway by regulating WNT2.

BackgroundBreast cancer is one the most common cancers, making it the second leading cause of cancer-related death among women. Long non-coding RNAs (lncRNAs), with tightly regulated expression patterns, also serve as tumor suppressor during tumorigenesis. The present study aimed to elucidate the role of LINC00968 in breast cancer via WNT2-mediated Wnt2/β-catenin signaling pathway.MethodsBreast cancer chip GSE26910 was utilized to identify differential expression in LINC00968 and WNT2. The possible relationship among LINC00968, transcriptional repressor HEY and WNT2 was analyzed and then verif

Биоразлагаемые и стимульно-реагирующие наноматериалы для адресной доставки лекарств в аутоиммунных заболеваниях.

Аутоиммунные заболевания создают сложные терапевтические проблемы из-за их хронического характера, системного воздействия и требования к точному иммунодуляции во избежание негативных побочных эффектов. Недавние достижения в области биоразлагаемых и стимулирующих наноматериалов открыли новые возможности для адресных систем доставки наркотиков, способных решать эти проблемы. Этот обзор содержит всеобъемлющий анализ современных биоразлагаемых нанокарьеров, таких, как полимерные наночастицы, липосомы и гидрогели, разработанные для целевой доставки в аутоиммунную терапию. Эти наноматериалы предназн

Burning Issues/Hot Topics: The Charcot Foot.

Charcot neuro-osteoarthropathy remains one of the most serious complications of diabetic neuropathy, with the potential for rapid progression to deformity, ulceration and limb-threatening outcomes. The earliest signs and symptoms are often subtle and easily missed, yet early recognition provides a narrow window of opportunity to prevent irreversible structural change. Contemporary diagnostic pathways are underpinned by close clinical observation and correlation of bedside findings with detailed imaging analysis, enabling earlier identification of active disease before collapse occurs. This art

MicroRNA-150-5p inhibits the proliferation and invasion of human larynx epidermiod cancer cells though regulating peptidyl-prolyl cis/trans isomerase.

ObjectiveThis study aimed to investigate the molecular mechanism of miR-150-5p regulating the malignant biological behavior of Human Epidermoid cancer cell (HEp-2) by targeting peptidyl-prolyl cis/trans isomerase NIMA-Interacting-1 (PIN1).MethodsFirstly, qRT-PCR and Western blot were adopted to detect the expression levels of miR-150-5p and PIN1 in cancer tissue and paracancerous tissues of patients with LSCC, and those in human bronchial epithelial cells (16 HBE) and HEp-2. Next, the targeted relationship between miR-150-5p and PIN1 was assessed by bioinformatics website and dual-luciferase r

Acoustically-Activated Liposomal Nanocarriers to Mitigate the Side Effects of Conventional Chemotherapy with a Focus on Emulsion-Liposomes.

To improve currently available cancer treatments, nanomaterials are employed as smart drug delivery vehicles that can be engineered to locally target cancer cells and respond to stimuli. Nanocarriers can entrap chemotherapeutic drugs and deliver them to the diseased site, reducing the side effects associated with the systemic administration of conventional anticancer drugs. Upon accumulation in the tumor cells, the nanocarriers need to be potentiated to release their therapeutic cargo. Stimulation can be through endogenous or exogenous modalities, such as temperature, electromagnetic irradiati

Seamless Navigation of Bispecific Therapies: Optimizing Management and Outpatient Access With a Focus on Coordination.

Bispecific antibodies (BsAbs) have emerged as crucial therapeutic agents for patients with relapsed/refractory diffuse large B-cell lymphoma, multiple myeloma, and most recently, lung cancer. These therapies have demonstrated remarkable efficacy in clinical trials; however, multidisciplinary collaboration is essential to ensure optimal patient outcomes amid the operational complexities associated with BsAb therapy. As BsAbs are being prepared for broader adoption, clinicians and treatment centers must navigate operational challenges, including financial considerations, patient selection, careg

Advanced multifunctional thermo- and electro-stimulative hydrogels for bone regeneration.

Bone defects caused by trauma, infection, tumors, osteoporosis, and diabetes disrupt skeletal integrity and impair regeneration. The healing process involves inflammatory hematoma formation, callus development, and remodeling, coordinated by diverse cells and signaling pathways. Conventional grafts and inorganic implants are limited by donor scarcity, immune rejection, and low bioactivity, necessitating more effective repair strategies. Recently, multifunctional smart hydrogels have emerged as a frontier in bone regeneration due to their biocompatibility, tunable structure, and ability to inte

Forecasting immune effector cell-associated neurotoxicity syndrome after chimeric antigen receptor t-cell therapy.

BackgroundImmune effector cell-associated neurotoxicity syndrome (ICANS) is a clinical and neuropsychiatric syndrome that can occur days to weeks following administration chimeric antigen receptor (CAR) T-cell therapy. Manifestations of ICANS range from encephalopathy and aphasia to cerebral edema and death. Because the onset and time course of ICANS is currently unpredictable, prolonged hospitalization for close monitoring following CAR T-cell infusion is a frequent standard of care.MethodsThis study was conducted at Brigham and Women's Hospital from April 2015 to February 2020. A cohort of 1

XTP8 Promotes Ovarian Cancer Progression by Activating AKT/AMPK/mTOR Pathway to Regulate EMT.

Ovarian cancer (OC) ranks as the fifth leading cause of cancer-related death in women. The main contributors to the poor prognosis of ovarian cancer are the high rates of recurrence and metastasis. Studies have indicated a crucial role for hepatitis B virus X Ag-Transactivated Protein 8 (XTP8), a protein containing the DEP domain, in various cellular processes, including cell growth, movement, and differentiation, across several types of cancers. However, the role of XTP8 in ovarian cancer remains unclear. We observed elevated expression of XTP8 in ovarian cancer. Silencing XTP8 inhibited cell

Преобразование фотоэнергетики в наноматериалах для точной терапостики.

Быстро развивающаяся область тераностистики направлена на интеграцию терапевтических и диагностических функций в единую платформу для точной медицины, позволяющую одновременно лечить и контролировать болезни. Наноматериалы, основанные на преобразовании фотоэнергии, стали разносторонней платформой, использующей уникальные свойства света для активации тераностистики с высокой пространственной и временной точностью. В настоящем обзоре содержится всеобъемлющий обзор последних изменений в области преобразования фотоэнергетики с использованием наноматериалов с уделением особого внимания их применени