🧬 biology

Optimal Control of SEIVZ Epidemic Model with Holling IV Incidence and Information Intervention

This paper proposes an optimal control strategy for an SEIVZ epidemic model incorporating Holling-IV incidence and information intervention, demonstrating that while the disease-free equilibrium is stable when R01R_0 \le 1 with a backward bifurcation at R0=1R_0 = 1, the combined application of information and treatment controls effectively mitigates disease spread while minimizing associated costs.

Lijuan Zhang, Fuchang Wang, Zhaolong Yuan, Xuqin Zhuang2026-07-06
🧬 biology

Spectral characterization of different indoor lighting systems and electronic devices with backlit screens and analysis of their potential to suppress melatonin levels in humans

This study characterizes the spectral irradiance of various indoor lighting systems and backlit electronic devices, revealing that their blue-rich emissions can suppress human melatonin levels significantly within minutes to hours, thereby posing a substantial risk to circadian rhythms in typical professional and educational environments.

Shiran Perera-Mohamed, Jose Aguilera, Rafael Guzmán-Rodríguez, Enrique Navarrete-de Gálvez, Alfonso Gago-Calderón, Rafae (…)2026-07-06
🧬 biology

From Evidence to Action: Physical Activity, Attention, and Cognitive Aging—A Systematic Review and Future Directions

This systematic review of 29 studies involving adults aged 60 and older demonstrates that physical activity, particularly aerobic, resistance, and open-skill exercises, significantly enhances attentional functions and supports broader cognitive health in aging populations, offering a scalable strategy to mitigate cognitive decline.

Mahshid Pourhosein, Mohammad Ali Hosseinzadeh Semnani, Soghra Ebrahimi Ghavam, Mansooreh Mohammadi Anaei2026-07-06
🧬 biology

SCPInt: explicit disentanglement of biological and batch variation for single-cell proteomics integration

SCPInt is a deep-learning framework that integrates heterogeneous single-cell proteomics datasets by explicitly disentangling biological and batch variations, thereby outperforming existing methods in preserving biological structure while providing quantitative insights into technical biases for scalable atlas construction.

Yadong Wang, Yuzhi Sun, Renjie Liu, Jichong Mu, Yachen Yao, Liyuan Zhang, Tianyi Zhao2026-07-06
🧬 biology

Temporal metabolic responses to repeated anthropogenic noise exposure in Mongolian gerbils

This study demonstrates that repeated exposure to anthropogenic noise induces transient, time-dependent fluctuations in serum glucose levels in male Mongolian gerbils, while having less consistent effects on urea, cholesterol, and body mass, thereby highlighting the specific metabolic impact of acoustic pollution and the importance of monitoring post-exposure recovery dynamics.

Ramon Marques Macedo, Nataly Mendes Neves, Alan Nilo da Costa, Pedro Machado Pelli, Afonso Pelli2026-07-06
🧬 biology

Antibiotic-induced dominance relaxation restructures a closed in vitro grapevine endophyte community without clear secondary dominance

Rifampicin treatment of in vitro grapevine cultures disrupts the dominance of *Mycobacterium* and restructures the endophytic community into a more even, heterogeneous assemblage without establishing a new dominant taxon, supporting a model of dominance relaxation and non-convergent reassembly.

Ye-Ji Lee, Jinjoo Bae, Jae-Young Song, Sung-Hee Nam, Jung Sook Sung, Ho Cheol Ko, Ji-Won Han2026-07-06
🧬 biology

Predator-specific drivers of nest predation in ducks breeding in Central European fishpond systems

This study reveals that in Central European fishponds, avian predators—particularly marsh harriers—are the primary drivers of duck nest predation, with risk levels significantly influenced by nest-specific factors like incubation stage and prior depredation, as well as varying spatial and temporal dynamics specific to predator groups.

Monika Homolková, Petr Musil, Jan Zouhar, Dorota Gajdošová, Zuzana Musilová2026-07-06