The following papers were prepared as background materials for the OTA Labor Markets and Industrial Relations Workshop which was held July 27, 1982. 3. Their content and conclusions are the sole responsibility of the authors and do not necessarily reflect the 4. views of OTA. 1. “The Economics of Technical Progress: Labor Issues Arising From the Spread of Programmable 5. Automation Technologies...

Liquorice is a herbal medicine produced mainly in China and Iran. This plant is suspected to contain ochratoxin A (OTA), a secondary metabolite produced by fungi. Although liquorice is not included in the daily dietary of humans, the high levels of OTA reported in this product have concerned consumers. Registration of a standard method for measuring the amount of this mycotoxin in liquorice-der...

Foreword In 1985, rain came to the Sahel and provided partial relief from its latest drought. For the moment, hunger in West Africa is largely forgotten. However, many questions remain unanswered regarding why this area remains so poor and so vulnerable after nearly a decade of development assistance. In June 1985, the Technology Assessment Board approved the requests of three congressional com...

The aim of this study was to examine 29 strains of lactic acid bacteria of the Lactobacillus and Lactococcus genera, assessing their sensitivity to ochratoxin A and their ability to remove it from a liquid medium. It was demonstrated that most strains are insensitive to the presence of OTA at the quantity of 5 microg/disc. It was demonstrated that all strains caused a reduction of the toxin amo...

This paper presents general fully balanced structures of continuous-time OTA-C filters based on multiple loop feedback (MLF) configurations. Both simple all pole and complex arbitrary zero fully balanced implementations are described. The general explicit iterative design formulae for the filters based on the important LF structure are presented. The design of fifth-order fully balanced LF filt...

A method is described for ochratoxin B analysis, which is adapted to the earlier described method of ochratoxin A analysis, using carboxypeptidase A (K. Hult and S. Gatenbeck, J. Assoc. Off. Anal. Chem. 59:128-129, 1976). The fluorescence spectra of ochratoxins A and B coincide too much to allow direct discrimination of the two compounds. A method using the differences in kinetic parameters of ...

Abstract—In this paper, a general two-admittance current-mode circuit structure using triple-output OTA is explored to derive new second-order multi-function filters using OTAs with few extra current outputs and with/ without grounded capacitors. Biquads filters have been realized by using various admittances like OTA-simulated resistor, series and parallel OTA-C resonators in the proposed gene...

Ochratoxin A is a potent nephrotoxin and a possible human carcinogen that can contaminate various agricultural products, including grapes and wine. The capabilities of species other than Aspergillus carbonarius within Aspergillus section Nigri to produce ochratoxin A from grapes are uncertain, since strain identification is based primarily on morphological traits. We used amplified fragment len...

BACKGROUND The mycotoxin ochratoxin A, an agent responsible for endemic Balkan nephropathy is known to trigger apoptosis and thus being toxic to several organs including the kidney. The mechanisms involved in ochratoxin A induced apoptosis include oxidative stress. Sequelae of ochratoxin intoxication include anemia. Similar to apoptosis of nucleated cells, erythrocytes may undergo suicidal cell...