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Spectroscopy Journal, Volume 3, Issue 4

December 2025 - 9 articles

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Articles (9)

  • Review
  • Open Access

Biological clusters, encompassing proteins, nucleic acids, and lipids, represent functional assemblies that underpin cellular physiology and contribute to disease pathogenesis. Their detection and characterization remain technically challenging due t...

  • Article
  • Open Access

Fumarate, succinate, maleate, dihydroxyfumarate, D–tartarate, L–tartarate, DL–tartarate, L-malate, D-malate, oxaloacetate, citrate, and DL-isocitrate in the 5–100 μM concentration range were incubated in 12.5 mM HEPES/25 mM...

  • Article
  • Open Access
24 Views
12 Pages

Hydrogen-Bond Engineering for Highly Efficient Room-Temperature Phosphorescence with Tunable Multi-Color Emission

  • Lin Ding,
  • Zhaorun Tang,
  • Jiyang Long,
  • Xianwen Ke,
  • Ruqian Peng,
  • Ruyi Wei and
  • Xinghai Liu

Achieving long-lived room-temperature phosphorescence (RTP) with high quantum efficiency is of significant interest for applications in anti-counterfeiting, flexible optoelectronic displays, and multi-level information encryption. Here, we presented...

  • Article
  • Open Access
32 Views
20 Pages

A Green Workflow to Determine Flavonoids from Physalis angulata L.: Extraction Optimization by Response Surface Method and Spectrophotometric Method Validation

  • Huynh Tran Mai Lan Anh,
  • Le Phan Minh My Kim Ngan,
  • Vo Thi Kim Khuyen,
  • Le Nguyen Hong Anh,
  • Huynh Hoang Gia Bao,
  • Huynh Le Bao Ngoc and
  • Đinh Thi Quynh Anh

Wild Physalis angulata L. has promising medicinal potential due to its rich flavonoids. However, a green analytical approach for these compounds from this plant has not yet been thoroughly optimized. Therefore, this study optimized ultrasound-assiste...

  • Article
  • Open Access
159 Views
13 Pages

Electro-Tunable Optical Cavity Filters in the Mid-Infrared Regime: A Polarization-Independent Solution for Hyperspectral Imaging

  • Kinza Arshad,
  • Mohamed Hassan Eisa,
  • Matloob Hussain Bhatti,
  • Ali Zia,
  • Sadaf Saeed,
  • Tymish Y. Ohulchanskyy and
  • Rida Nasir

The development of tunable optical filters in the mid-infrared (MIR) region is crucial for a variety of applications, including environmental monitoring, medical diagnostics, and communication systems. This paper presents the design, fabrication, and...

  • Review
  • Open Access
650 Views
38 Pages

Polarization volume gratings (PVGs) have been recognized as a groundbreaking technology with the potential to revolutionize holographic waveguides and facilitate immersive experiences in augmented and virtual reality (AR/VR) applications. This study...

  • Review
  • Open Access
529 Views
64 Pages

Spectroscopic and Microscopic Characterization of Inorganic and Polymer Thermoelectric Materials: A Review

  • Temesgen Atnafu Yemata,
  • Tessera Alemneh Wubieneh,
  • Yun Zheng,
  • Wee Shong Chin,
  • Messele Kassaw Tadsual and
  • Tadisso Gesessee Beyene

Thermoelectric (TE) materials represent a critical frontier in sustainable energy conversion technologies, providing direct thermal-to-electrical energy conversion with solid-state reliability. The optimizations of TE performance demand a nuanced com...

  • Article
  • Open Access
392 Views
13 Pages

The consumption of illicit psychoactive substances, such as cocaine, poses significant public health and socioeconomic challenges due to its widespread use and impact on the central nervous system. This study aimed to develop and validate an analytic...

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Spectrosc. J. - ISSN 2813-446XCreative Common CC BY license