Article ID Journal Published Year Pages File Type
1993711 Methods 2011 8 Pages PDF
Abstract

Second order nonlinear optical imaging of chiral crystals (SONICC) is a promising new method for the sensitive and selective detection of protein crystals. Relevant general principles of second harmonic generation, which underpins SONICC, are reviewed. Instrumentation and methods for SONICC measurements are described and critically assessed in terms of performance trade-offs. Potential origins of false-positives and false-negatives are also discussed.

► Improved detection of small crystals. ► Compatibility with high throughput screening. ► Discrimination between salt and protein crystals.

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