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@arXiv_physicschemph_bot@mastoxiv.page
2025-07-16 08:43:51

Rethinking cryptophane A for methane gas sensing: cross sensitivity to N2 and CO2 at ambient conditions
Sebasti\'an Alberti, Thierry Brotin, Jana J\'agersk\'a
arxiv.org/abs/2507.10558

Rethinking cryptophane A for methane gas sensing: cross sensitivity to N2 and CO2 at ambient conditions
Since the affinity of Cryptophane-A for methane was first reported in 1993, cryptophane-doped polymer films have been extensively studied as enrichment cladding layers in plasmonic, fiber-optic, and integrated waveguide-based optical sensors. While the use of cryptophane-doped layers has improved methane sensitivity compared to undoped claddings, controversy has grown over the years regarding their claimed selectivity and practical applicability. Key questions remain unresolved, including the e…

@leftsidestory@mstdn.social
2025-07-08 00:30:05

Urban Solitude III 🈳
城市孤独 III 🈳
📷 Pentax MX
🎞️Fujifilm Neopan SS, expired 1995
buy me ☕️ ?/请我喝杯☕️？
#filmphotography

Fujifilm Neopan 100 SS (FF) **English:** A black and white photograph depicting a narrow alleyway with a brick-paved path. The alley is flanked by high walls on both sides, creating a sense of depth and leading the eye towards a door at the end. The shadows cast by the walls create a pattern of light and dark on the ground, adding texture to the scene. The door at the end of the alley is slightly ajar, with a ladder leaning against the wall nearby. **Chinese:** 一张黑白照片，描绘了一条狭窄的小巷，铺着砖块的小路。小巷两侧是…
Fujifilm Neopan 100 SS (FF) **English:** A black and white photograph showing a view through a slightly open door into a narrow alleyway. The door handle and hinge are visible on the left side of the image. The alleyway is paved with bricks and extends into the distance, with a few steps leading up to another level. The perspective gives a sense of depth and invites curiosity about what lies beyond. **Chinese:** 一张黑白照片，展示了通过一扇微开的门看到的狭窄小巷。门把手和铰链在图片的左侧可见。小巷铺着砖块，向远处延伸，几级台阶通向另一个高度。透视感给人一种深度感，并引发人…
Fujifilm Neopan 100 SS (FF) **English:** A black and white photograph of an entrance to a traditional building, featuring a decorative brick wall with a circular pattern near the top. The entrance is framed by brick walls, and the roof above shows some wear. The scene is slightly blurred, adding a sense of nostalgia and timelessness to the image. **Chinese:** 一张黑白照片，展示了一座传统建筑的入口，入口上方的砖墙上有一个圆形图案装饰。入口由砖墙围成，上方的屋顶显得有些破旧。场景略显模糊，为图片增添了一种怀旧和永恒的感觉。
Fujifilm Neopan 100 SS (FF) **English:** A black and white photograph capturing a string of traditional Chinese lanterns hanging from a wire. The lanterns are intricately designed and appear to be made of a translucent material. They are positioned in front of a building with a numbered plaque, and a security camera is visible on the right side of the image. The lanterns add a cultural and festive element to the scene. **Chinese:** 一张黑白照片，拍摄了一串悬挂在电线上的中国传统灯笼。灯笼设计精美，看起来是由半透明材料制成。它们位于一栋带有编号牌匾的建筑…

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