Operando recrystallization of ZnO nanoparticle layers has been found to transform disordered films into long-range, defect-passivated nanocrystals. This process enables a shift from hopping to potential band-like electron conduction, achieving on-demand electron injection and improved charge balance in QLEDs. The findings underscore the significance of interfacial chemical reactions and demonstrate that surface-active nanocrystals can be engineered during operation to boost device performance through post-treatment strategies.

Amplification-free, highly sensitive, and specific nucleic acid detection is crucial for health monitoring and diagnosis. The type III CRISPR-Cas10 system, which provides viral immunity through CRISPR-associated protein effectors, enables a new amplification-free nucleic acid diagnostic tool. In this study, we develop a CRISPR-graphene field-effect transistors (GFETs) biosensor by combining the type III CRISPR-Cas10 system with GFETs for direct nucleic acid detection. This biosensor exploits the target RNA-activated continuous ssDNA cleavage activity of the dCsm3 CRISPR-Cas10 effector and the high charge density of a hairpin DNA reporter on the GFET channel to achieve label-free, amplification-free, highly sensitive, and specific RNA detection. The CRISPR-GFET biosensor exhibits excellent performance in detecting medium-length RNAs and miRNAs, with detection limits at the aM level and a broad linear range of 10^-15 to 10^-11 M for RNAs and 10^-15 to 10^-9 M for miRNAs. It shows high sensitivity in throat swabs and serum samples, distinguishing between healthy individuals (N = 5) and breast cancer patients (N = 6) without the need for extraction, purification, or amplification. This platform mitigates risks associated with nucleic acid amplification and cross-contamination, making it a versatile and scalable diagnostic tool for molecular diagnostics in human health.

Bimodal pressure sensors capable of simultaneously detecting static and dynamic forces are essential to medical detection and bio-robotics. However, conventional pressure sensors typically integrate multiple operating mechanisms to achieve bimodal detection, leading to complex device architectures and challenges in signal decoupling. In this work, we address these limitations by leveraging the unique piezotronic effect of Y-ion-doped ZnO to develop a bimodal piezotronic sensor (BPS) with a simplified structure and enhanced sensitivity. Through a combination of finite element simulations and experimental validation, we demonstrate that the BPS can effectively monitor both dynamic and static forces, achieving an on/off ratio of 1029, a gauge factor of 23,439 and a static force response duration of up to 600 s, significantly outperforming the performance of conventional piezoelectric sensors. As a proof-of-concept, the BPS demonstrates the continuous monitoring of Achilles tendon behavior under mixed dynamic and static loading conditions. Aided by deep learning algorithms, the system achieves 96% accuracy in identifying Achilles tendon movement patterns, thus enabling warnings for dangerous movements. This work provides a viable strategy for bimodal force monitoring, highlighting its potential in wearable electronics.

A research team led by Prof. WAN Yinhua from the Institute of Process Engineering of the Chinese Academy of Sciences has uncovered a surprising new mechanism that fundamentally alters our understanding of ion transport in nanofiltration (NF) membranes and provides critical insights into improving lithium recovery from high-magnesium brines.

A comprehensive review published in Molecular Biomedicine explores the multifaceted roles of mitochondria in various physiological activities, diseases, and therapeutic strategies. This study is conducted by the research team from the Third People's Hospital of Chengdu, the Southwest Jiaotong University, and the West China Second Hospital of Sichuan University. It provides insights into mitochondrial functions, their impact on various diseases, and emerging therapeutic strategies targeting this essential cellular organelle.

Phosphatases have long been considered undruggable, but recent discoveries are changing that perception. Compared to kinases, phosphatases remain underexplored in cancer therapy, despite their critical roles in tumour progression. Dysregulated phosphatases drive tumour growth, metastasis, angiogenesis, immune evasion, therapy resistance, and intracellular communication—through the modulation of oncogenic signaling pathways.

Phosphatases are governed by a complex regulatory system that must be understood to develop effective targeted therapies. However, phosphatases could be broadly categorized as tumour promoters, tumour suppressors, or having dualistic functions.

This review explores the roles of various phosphatases in cancer cells and immune tumour microenviroment, with a focus on their signaling mechanisms and the current latest therapeutic strategies.

The study investigates the interaction between the human epidermal growth receptor 2 (HER2) and amygdalin, a compound found in peaches, almonds, and apples. To assess the potential of amygdalin, the interaction between HER2 and amygdalin was explored using molecular docking and molecular dynamics simulations. Binding energies were evaluated for both the crystal and equilibrated HER2 structures. The effects of water on binding were also assessed. Molecular dynamics simulations analyzed structural changes in HER2, including interdomain distances, hydrogen bond fluctuations, dihedral angle shifts, and residue-residue distances at the dimerization arm. The free energy landscape was constructed to evaluate stability. Binding energies of −33.472 ​kJ/mol and −36.651 ± 0.867 ​kJ/mol were observed for the crystal and equilibrated HER2 structures, respectively, with water further enhancing binding to −41.212,4 ​± ​1.272,7 and −53.513 ± 1.452,3 ​kJ/mol. Molecular dynamics simulations revealed significant conformational changes in HER2, including a reduction in interdomain distance, fluctuations in hydrogen bond lengths, and a shift in dihedral angles from 60° to −30°. The residue-residue distance at the dimerization arm decreased, indicating conformational changes upon binding. The free energy landscape showed a deeper and more defined minimum in the bound state, reflecting enhanced stability. These findings highlight amygdalin’s potential as a therapeutic agent targeting HER2.

Objective

The concentration of bilirubin in blood or serum is useful for assessing liver function as well as monitoring treatment. This study evaluates the clinical performance of a novel point-of-care (PoC) device for the detection of bilirubin in serum. The PoC device incorporates an integrated miniature optoelectronic sensing module and a microfluidic test cartridge.

Methods

Patients’ serum total bilirubin concentrations, ranging from 2 ​μmol/L to 480 ​μmol/L, were measured using the PoC device and the standard laboratory method (n=20). Bland-Altman analysis and regression analysis using Passing-Bablok method were used to benchmark the PoC device against the standard laboratory measurements. The diagnostic capability of the PoC device in categorising the serum samples within clinically relevant bilirubin concentration thresholds of 200, 300, and 450 ​μmol/L was assessed using receiver operating characteristic (ROC) analysis.

Results

The mean difference between the PoC device and the standard laboratory method was −5.6 ​μmol/L, with a 95% confidence interval (CI) of −45.1 ​μmol/L to 33.9 ​μmol/L. The coefficient of determination (R²) was 0.986. The PoC device achieved a detection sensitivity of 90% and specificity of 97% in categorising bilirubin concentrations within bands used in clinical decision-making.

Conclusions

This study demonstrates that the proposed PoC device is capable of measuring bilirubin levels in patient samples with clinically acceptable accuracy.

Objective

Children with autism spectrum disorder (ASD) had lower vitamin D3 levels than neurotypical (NT) children, as well as deficits in language, social, and fine motor abilities. Nanotechnology has appeared as a suitable answer to absorption and bioavailability problems related to vitamin D3. This study aims to investigate the influence of vitamin D3-loaded nanoemulsion supplementation on adaptive behavior and language performance in children with ASD compared to the influence of the marketed product of vitamin D3.

Methods

Supplementation of ASD children with an oral vitamin D3-loaded nanoemulsion was performed in group I while the marketed product of the oral vitamin D3 was used in group II for 6 months. Evaluation of their abilities and measuring the plasma levels of 2 types of vitamin D3 were performed using ultra-performance liquid chromatography before and after supplementation.

Results

Supplementation in group I (n ​= ​40) has led to an elevation of levels of 25 (OH) and 1, 25 (OH)₂ forms of vitamin D3 (P ​< ​0.000,1), to behavioral improvement in the form of a reduction in ASD severity, and to a rise in the social IQ and total language age of ASD children (P ​= ​0.000,2, 0.04, 0.000,9, respectively). On the other hand, group II (n ​= ​40) did not show adaptive behavioral improvements.

Conclusions

The vitamin D3-loaded nanoemulsion provided better vitamin D3 bioavailability and a true influence on severity, adaptive behavior, fine motor abilities, and language performance, reflecting the desired benefits of the rise of vitamin D3 levels in the blood.