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152,668 results on '"Lille"'

103. Current-limiting amplifier for high speed measurement of resistive switching data

Author

Hennen, T., Wichmann, E., Elias, A., Lille, J., Mosendz, O., Waser, R., Wouters, D. J., and Bedau, D.

Subjects
Physics - Instrumentation and Detectors, Condensed Matter - Mesoscale and Nanoscale Physics, B.3.1, B.7.1
Abstract

Resistive switching devices, important for emerging memory and neuromorphic applications, face significant challenges related to control of delicate filamentary states in the oxide material. As a device switches, its rapid conductivity change is involved in a positive feedback process that would lead to runaway destruction of the cell without current, voltage, or energy limitation. Typically, cells are directly patterned on MOS transistors to limit the current, but this approach is very restrictive as the necessary integration limits the materials available as well as the fabrication cycle time. In this article we propose an external circuit to cycle resistive memory cells, capturing the full transfer curves while driving the cells in such a way to suppress runaway transitions. Using this circuit, we demonstrate the acquisition of $10^5$ I-V loops per second without the use of on-wafer current limiting transistors. This setup brings voltage sweeping measurements to a relevant timescale for applications, and enables many new experimental possibilities for device evaluation in a statistical context.

Published
2021
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117. Crosslinking with transglutaminase does not change metabolic effects of sodium caseinate in model beverage in healthy young individuals

Author

Juvonen Kristiina R, Lille Martina E, Laaksonen David E, Mykkänen Hannu M, Niskanen Leo K, Herzig Karl-Heinz, Poutanen Kaisa S, and Karhunen Leila J

Subjects
Caseinate, Whey protein, Crosslinking, Postprandial, Glucose, Insulin, Amino acids, Appetite, Nutrition. Foods and food supply, TX341-641, Nutritional diseases. Deficiency diseases, RC620-627
Abstract

Abstract Background Postprandial metabolic and appetitive responses of proteins are dependent on protein source and processing technique prior to ingestion. Studies on the postprandial effects of enzymatic crosslinking of milk proteins are sparse. Our aim was to study the effect of transglutaminase (TG)-induced crosslinking of sodium caseinate on postprandial metabolic and appetite responses. Whey protein was included as reference protein. Methods Thirteen healthy individuals (23.3 ± 1.1 y, BMI 21.7 ± 0.4 kg/m2) participated in a single-blind crossover design experiment in which the subjects consumed three different isovolumic (500 g) pourable beverages containing either sodium caseinate (Cas, 29 g), TG-treated sodium caseinate (Cas-TG, 29 g) or whey protein (Wh, 30 g) in a randomized order. Blood samples were collected at baseline and for 4 h postprandially for the determination of plasma glucose, insulin and amino acid (AA) concentrations. Gastric emptying (GE) was measured using the 13 C-breath test method. Appetite was assessed using visual analogue scales. Results All examined postprandial responses were comparable with Cas and Cas-TG. The protein type used in the beverages was reflected as differences in plasma AA concentrations between Wh and Cas, but there were no differences in plasma glucose or insulin responses. A tendency for faster GE rate after Wh was detected. Appetite ratings or subsequent energy intake did not differ among the protein beverages. Conclusions Our results indicate that the metabolic responses of enzymatically crosslinked and native sodium caseinate in a liquid matrix are comparable, suggesting similar digestion and absorption rates and first pass metabolism despite the structural modification of Cas-TG.

Published
2012
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147. Liste Des Sigles

Author

Romero, Margarida, Lille, Benjamin, and Patiño, Azeneth

149. Couverture

Author

Romero, Margarida, Lille, Benjamin, and Patiño, Azeneth

150. Crédits

Author

Romero, Margarida, Lille, Benjamin, and Patiño, Azeneth

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