Conventional biochemical methods usually need fluorescent labels, chemical reagents or complicated sample preparation
Research gap analysis derived from 3 physics papers in our local library.
The gap
Conventional biochemical methods usually need fluorescent labels, chemical reagents or complicated sample preparation. Photonic crystal biosensors have potential for refractive index detection and label-free biosensing, but require further development for high-sensitivity applications.
Evidence profile
Sourced from the stated research gap of the source papers, classified as general, drawn from work published between 2025 and 2026, spanning 3 journals. Those papers have been cited 23 times in total.
Research trend
Established — well-defined area with open sub-problems.
Supporting evidence — 3 representative gaps
- High-sensitivity NIR Blood Analyte Sensing Using a Double-sefect 1D Photonic Crystal: A Comparative TMM and FEM Investigation (2026) · Plasmonics · doi
Conventional biochemical methods usually need fluorescent labels, chemical reagents or complicated sample preparation. Photonic crystal biosensors have potential for refractive index detection and label-free biosensing, but require further development for high-sensitivity applications.
generalstated research gapKeywords: conventional biochemical methods usually need fluorescent labels chemical - Advances in Optical Fiber Sensors for Multi-Analyte Biochemical Detection (2026) · Biosensors · doi
The paper identifies the need for optical fiber multi-analyte biosensors that can detect multiple biochemical substances simultaneously with high sensitivity and specificity. The existing optical fiber multi-analyte biosensors have limitations such as issues of selectivity, long-term stability, and system integration.
generalstated research gapevidence 5/5Keywords: paper identifies need optical fiber multi-analyte biosensors detect - Metal–Organic-Framework-Based Optical Biosensors: Recent Advances in Pathogen Detection and Environmental Monitoring (2025) · Sensors · cited 23× · doi
The need for innovative solutions to address the limitations of conventional analytical approaches in field applications. The potential of MOF-based optical biosensors to provide highly sensitive and selective detection of biological analytes. The requirement for point-of-care diagnostics and real-time monitoring in environmental and food safety applications.
generalstated research gapevidence 5/5Keywords: need innovative solutions address limitations conventional analytical approaches
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