विधियों की तुलना करें
चुनी हुई विधियों की आमने-सामने समीक्षा करें; भिन्नता वाली पंक्तियाँ रेखांकित हैं।
| परिपथी विवर्णता (Circular Dichroism)× | SERS× | |
|---|---|---|
| क्षेत्र | स्पेक्ट्रोस्कोपी | स्पेक्ट्रोस्कोपी |
| परिवार | Process / pipeline | Process / pipeline |
| उद्भव वर्ष≠ | 1969 | 1974 |
| प्रवर्तक≠ | Jean-Claude Fasman | Martin Fleischmann |
| प्रकार≠ | Spectroscopic method | Vibrational spectroscopy technique |
| मौलिक स्रोत≠ | Greenfield, N. J., & Fasman, G. D. (1969). Computed circular dichroism spectra for protein secondary structures. Biochemistry, 8(10), 4108-4116. DOI ↗ | Fleischmann, M., Hendra, P. J., & McQuillan, A. J. (1974). Raman spectra of pyridine adsorbed at a silver electrode. Chemical Physics Letters, 26(2), 163-166. DOI ↗ |
| उपनाम≠ | CD spectroscopy, circular dichroism, CD analysis | Surface-enhanced Raman scattering, SERS spectroscopy |
| संबंधित | 3 | 3 |
| सारांश≠ | Circular Dichroism (CD) spectroscopy measures the differential absorption of left- and right-circularly polarized light by optically active molecules, particularly proteins and nucleic acids. Introduced by Greenfield and Fasman in 1969, CD is a rapid, non-destructive technique for characterizing secondary structure (alpha-helix, beta-sheet), monitoring protein folding transitions, and assessing conformational changes in response to pH, temperature, or ligand binding. | Surface-Enhanced Raman Spectroscopy (SERS) amplifies weak Raman signals by many orders of magnitude when analyte molecules are adsorbed on specially prepared metal (typically silver or gold) nanostructured surfaces. Discovered by Fleischmann, Hendra, and McQuillan in 1974, SERS enables detection of vibrational signatures of single molecules and ultra-trace contaminants, revolutionizing analytical chemistry and forensics. |
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