The surfaces of the works of art are one of their most important parts since they interact directly with the observer's perception. On the other hand, they are also in direct contact with physical, chemical and biological agents that can induce degradation and signs of aging. Dust deposits, stains and aged layers of protection can degrade, causing irreversible damage to works of art. In this way, the removal of undesirable materials from artistic surfaces is essential to preserve cultural heritage articles. The aim of this work was to develop silver nanoparticles-based hydrogels and to study the behavior regarding solvent concentration, stability and ability to clean dirt samples based on paper and canvas. The hydrogels were synthesized (reticulated) by gamma rays having the simultaneous formation of silver nanoparticles (AgNP) in the same process. The samples were characterized by swelling tests, attenuated total reflection Fourier-transform infrared spectroscopy (ATR-FTIR), Raman spectroscopy, differential scanning calorimetry (DSC), transmission electron microscopy (TEM), scanning electron microscopy (SEM) and optical microscopy (OM). The results showed the removal of dirt from the paper samples, as well as the softening of the dirt from the canvas, without leaving residues and without affecting the integrity of the art works submitted to treatment.

艺术作品的表面是它们最重要的部分之一，因为它们直接与观察者的感知相互作用。另一方面，它们也与物理、化学和生物制剂直接接触，这些物质会导致降解和老化迹象。灰尘沉积、污渍和老化的保护层会退化，对艺术品造成不可逆转的损坏。通过这种方式，从艺术表面去除不良材料对于保护文化遗产物品至关重要。这项工作的目的是开发基于银纳米粒子的水凝胶，并研究有关溶剂浓度、稳定性和清洁纸和帆布污垢样品的能力的行为。水凝胶通过伽马射线合成（网状），在同一过程中同时形成银纳米颗粒（AgNP）。通过溶胀试验、衰减全反射傅里叶变换红外光谱 (ATR-FTIR)、拉曼光谱、差示扫描量热法 (DSC)、透射电子显微镜 (TEM)、扫描电子显微镜 (SEM) 和光学显微镜 (OM) 对样品进行了表征）。结果表明，纸样上的污垢被去除，画布上的污垢软化，没有留下残留物，也没有影响提交处理的艺术品的完整性。透射电子显微镜 (TEM)、扫描电子显微镜 (SEM) 和光学显微镜 (OM)。结果表明，纸样上的污垢被去除，画布上的污垢软化，没有留下残留物，也没有影响提交处理的艺术品的完整性。透射电子显微镜 (TEM)、扫描电子显微镜 (SEM) 和光学显微镜 (OM)。结果表明，纸样上的污垢被去除，画布上的污垢软化，没有留下残留物，也没有影响提交处理的艺术品的完整性。