نتایج جستجو برای: microspectroscopy
تعداد نتایج: 1198 فیلتر نتایج به سال:
Octenyl succinic anhydride (OSA) modified starch is widely used in emulsion and encapsulation applications. The functionality of OS starch depends on its molecular structure. A systematic study was performed to investigate the reaction of OSA with granular waxy maize (WM) starch, microporous WM starch and soluble maltodextrin. OS starches were prepared in an aqueous slurry system, and the degre...
High pressure (HP) is a non-thermal treatment that generally used to reduce the microbiological contamination of food products, such as Atlantic salmon (Salmo salar). However, HP known alter stability proteins and can therefore affect quality flesh. In this study, effects for 5 min at 200, 400 600 MPa on structure were investigated. Transversal histological sections revealed decrease in fibre s...
The ability to control fire was a crucial turning point in human evolution, but the question when hominins first developed this ability still remains. Here we show that micromorphological and Fourier transform infrared microspectroscopy (mFTIR) analyses of intact sediments at the site of Wonderwerk Cave, Northern Cape province, South Africa, provide unambiguous evidence--in the form of burned b...
We present an approach for fiber delivery of femtosecond pulses relying on pulse breakup and soliton self-frequency shift in a custom-made solid-core photonic bandgap fiber. In this scheme, the fiber properties themselves ensure that a powerful Fourier-transform-limited pulse is emitted at the fiber output, hence doing away with the need for complex precompensation and enabling tunability of th...
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