Publications by authors named "Weiwei Sun"

Atmospheric nitrogen deposition is one of the key sources of marine nutrients, significantly affecting marine ecosystems. However, the ecological response of marine ecosystems to current and future changes in nitrogen deposition remains unclear. This study investigates the effects of rising nitrogen deposition during the past decades on North Pacific ecosystems by utilizing a coupled physical-biological model.

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Extracellular matrix (ECM) is a vital component of the tumor microenvironment and plays a crucial role in the development and progression of gastric cancer (GC). Co-expression networks were established by means of the "WGCNA" package, the optimal model for extracellular matrix scores (ECMs) was developed and validated, with its accuracy in predicting the prognosis and treatment sensitivity of GC patients assessed. We performed univariate cox regression analysis [HR = 6.

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Female germline stem cells (FGSCs) can self-renew and differentiate into oocytes, replenishing the depleted primordial follicle pool. The traditional Chinese herb, Cistanche deserticola Y.C.

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Objective: Previous studies have emphasized the independent effects of anthropometric indices-including body mass index (BMI), A Body Shape Index (ABSI), waist-to-height ratio (WHtR), body roundness index (BRI), and Conicity Index-on mortality. However, their combined impact, especially in diabetic populations with distinct obesity patterns, has been less frequently explored. This study investigates both the independent and combined effects of these anthropometric indices on mortality in diabetic Americans and compares their individual and combined diagnostic value.

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Reconstructing long-term black carbon (BC) variations is crucial to improve our understanding of climatic and anthropogenic impacts on the Qinghai-Tibetan Plateau (QTP), due to its particular geographical location and its vulnerable ecosystem. Based on a fine resolution BC record from Sumxi Co combined with various other paleoenvironmental proxies, this study reconstructs regional environmental change and reveals its link to climate change and anthropogenic activities on the QTP and its surrounding areas over the past five millennia. The results show that the BC fluxes were about 875.

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Dermanyssus gallinae is a significant hematophagous ectoparasite affecting laying hens. However, due to the limitations of research methods, especially feeding methods, the reproductive biology of D. gallinae has not been fully studied.

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Objective: To analyze the characteristics of pulmonary nodules (PNs) and related influencing factors in patients with type 2 diabetes mellitus (T2DM).

Methods: Retrospectively analyzed the clinical and biochemical characteristics of 224 patients with PNs and 488 patients with non-PNs in patients with T2DM, and compared the clinical data of 72 patients with large nodules (≥ 5 mm) and 152 patients with small nodules (< 5 mm) in the pulmonary nodules (PNs) group.

Results: Compared to the non-PNs group, the PNs Patients in the group had a longer duration of diabetes, higher age, serum creatinine (SCR), blood urea nitrogen (BUN) and the lower albumin (ALB) and body mass index (BMI); women, diabetic retinopathy (DR), diabetic peripheral neuropathy (DPN), and estimated glomerular filtration rate (eGFR) < 60 ml/min1.

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Dermanyssus gallinae (D. gallinae), the poultry red mite (PRM), is a haematophagous pest infesting poultry and wild birds. In studies of the biology of D.

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Evaluating the quantum optical properties of solid-state single-photon emitters is a time-consuming task that typically requires interferometric photon correlation experiments. Photon correlation Fourier spectroscopy (PCFS) is one such technique that measures time-resolved single-emitter line shapes and offers additional spectral information over Hong-Ou-Mandel two-photon interference but requires long experimental acquisition times. Here, we demonstrate a neural ordinary differential equation model, g2NODE, that can forecast a complete and noise-free interferometry experiment from a small subset of noisy correlation functions.

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Vitiligo is an immune memory skin disease. T-cell factor 1 (TCF1) is essential for maintaining the memory T-cell pool. There is an urgent need to investigate the characteristics of peripheral memory T-cell profile and TCF1 T-cell frequencies in patients with vitiligo.

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Lithium metal batteries (LMBs) are distinguished by their elevated energy densities which represent themselves as the formidable contenders for the forthcoming generation of energy storage technologies. Nonetheless, their cycling efficiency is hindered owing to unregulated growth of lithium dendrites and unstable solid electrolyte interphase (SEI). This raises serious safety concerns while rendering LMBs unfeasible for real-world implementation.

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This study employed silk fibroin (SF) as a carrier material to encapsulate curcumin (CUR) and 5-fluorouracil (5-FU), forming a highly effective drug-loaded hydrogel. The process involved mixing SF solution containing 5-FU with curcumin solution dissolved in acetone (AC), leading to the formation of composite drug-loaded nanospheres with particle sizes ranging from 77.87 nm to 299.

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Inverted perovskite solar cells (PSCs) have captured significant interest due to their outstanding stability, cost-effective fabrication process, and good compatibility with flexible and tandem devices. The presence of bulk and surface defects is key factor in PSCs that cause non-radiative recombination and degradation. To improve the efficiency and stability of inverted PSCs, a bulk-to-surface dual-passivation strategy is employed by utilizing Oleylamine Iodide (OAmI) as additives and 4-Fluorobenzylamine Hydroiodide (4-F-PMAI) as surface passivating agents.

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Article Synopsis
  • Endosymbiotic bacteria are crucial for the health and fitness of the poultry red mite, an ectoparasite that feeds on bird blood.
  • The study identified a diverse bacterial community in the mite's midgut and determined that certain bacteria increased after blood feeding, indicating their adaptation to a blood diet and role in digestion.
  • Antibiotic treatments that disrupted these bacteria led to problems in blood digestion and reproduction in the mites, emphasizing the importance of these microbes and suggesting potential approaches for managing mite populations in poultry farming.
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  • The carmine spider mite, a significant pest in agriculture, was studied for differences in susceptibility to acaricides between male and female mites.
  • Male mites were found to be consistently more susceptible to various acaricides than females, with a notable difference in lethal concentration values.
  • The study suggested that factors such as male size, surface area, cuticle thickness, and differences in detoxification enzyme activity contribute to the observed susceptibility variations between the sexes.
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Antiretroviral treatment (ART) initiation during the early stages of HIV-1 infection is associated with a higher probability of maintaining drug-free viral control during subsequent treatment interruptions, for reasons that remain unclear. Using samples from a randomized-controlled human clinical trial evaluating therapeutic HIV-1 vaccines, we here show that early ART commencement is frequently associated with accelerated and efficient selection of genome-intact HIV-1 proviruses in repressive chromatin locations during the first year after treatment initiation. This selection process was unaffected by vaccine-induced HIV-1-specific T cell responses.

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  • A study analyzed 234 fecal samples and 217 bedding samples from pre-weaned dairy calves across 18 farms in northern China to assess the prevalence of Cryptosporidium, primarily C. parvum.
  • The overall prevalence of Cryptosporidium was found to be 33.3%, with C. parvum being the most common strain affecting calves aged 1 to 4 weeks.
  • Results indicated that contaminated bedding may serve as a significant source of infection for newborn calves, highlighting the importance of bedding hygiene in preventing Cryptosporidiosis outbreaks.
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Surface hydrophobicity of organisms provides biological self-protection. The hydrophobicity of pest surface, acting as a main obstacle for the pest control, can lead to low utilization and high loss of pesticides. Dermanyssus gallinae is a notorious pest in egg-laying hens, whose control primarily depends on acaricide spraying, while its surface hydrophobicity and potential influence on pesticide effectiveness are not clear.

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Accurately and quickly estimating the soil organic carbon (SOC) content is crucial in the monitoring of global carbon. Environmental variables play a significant role in improving the accuracy of the SOC content estimation model. This study focuses on modeling methodologies and environmental variables, which significantly influence the SOC content estimation model.

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Vitiligo is an autoimmune disorder characterized by epidermal melanocyte damage, with the typical clinical manifestation of white patches of skin. Keratinocytes, which work in concert with melanocytes to maintain the structural and functional integrity of the skin, are implicated in the progression of vitiligo. Recent studies have reported abnormal keratinocyte proliferation and epidermal thickening in some patients with vitiligo; however, the relationship between these changes and the clinical characteristics of vitiligo remains unclear.

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Formamidinium lead iodide (FAPbI) perovskite has lately surfaced as the preferred contender for highly proficient and robust perovskite solar cells (PSCs), owing to its favorable bandgap and superior thermal stability. Nevertheless, volatilization and migration of iodide ions (I) result in non-radiating recombination centers, and the presence of large formamidine (FA) cations tends to cause lattice strain, thereby reducing the power conversion efficiency (PCE) and stability of PSCs. To solve these problems, the lead formate (PbFa) is added into the perovskite solution, which effectively mitigates the halogen vacancy and provides tensile strain outside the perovskite lattice, thereby enhancing its properties.

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Visceral adiposity index (VAI) is a reliable indicator of visceral adiposity. However, no stu-dies have evaluated the association between VAI and DKD in US adults with diabetes. Theref-ore, this study aimed to explore the relationship between them and whether VAI is a good pr-edictor of DKD in US adults with diabetes.

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The appearance of disordered lithium dendrites and fragile solid electrolyte interfaces (SEI) significantly hinder the serviceability of lithium metal batteries. Herein, guided by theoretical predictions, a multi-component covalent triazine framework with partially electronegative channels (4C-TATF-CTF) is incorporated as a protective layer to modulate the interface stability of the lithium metal batteries. Notably, the 4C-TATF-CTF with optimized electronic structure at the molecular level by fine-tuning the local acceptor-donor functionalities not only enhances the intermolecular interaction thereby providing larger dipole moment and improved crystallinity and mechanical stress, but also facilitates the beneficial effect of lithiophilic sites (C-F bonds, triazine cores, C=N linkages and aromatic rings) to further regulate the migration of Li and achieve a uniform lithium deposition behavior as determined by various in-depth in/ex situ characterizations.

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