A screening procedure for repellents against a sea snail.

Screening of Repellents against Vespid Wasps

Vespid wasps are ecologically beneficial, but they can be a nuisance and dangerous to people due to their tendency to sting. Here, the aim was to screen samples of volatiles (i.e., essential oils and pure chemicals) for their repellency against wasps. The number of wasps (mainly Vespula vulgaris) present in a glass box with attractant and 5 µL sample was compared to the number of wasps in a sim...

A wind tunnel bioassay system for screening mosquito repellents.

A wind tunnel bioassay system to screen mosquito repellents is described. A wind tunnel is utilized to exploit the upwind flight response of host-seeking mosquitoes. Mosquitoes within the wind tunnel are activated with human breath, fly upwind, and land on heated chick skins. This behavioral sequence results in a consistently high percentage of the test population approaching repellent or contr...

Improved Procedure for Screening Expression Libraries for Novel Autoantigens

The standard method for immunoscreening of a cDNA expression library is time-consuming becauseof the production of a large proportion of false positives during the first and second round of screening.This problem is more important when a sensitive chemiluminescence detection system is used. Due tothe high sensitivity of the detection system, there is a need to avoid false posi...

Screening for a Multivariate Mixture Normal Distribution

A New Criterion for Screening Medical Applicants

Introduction. In the current screening system, new admissions are based on general intelligence as measured by universities entrance examination. Considering the fact that an important function of medical graduates is to educate the patients how to restore and take care of their health, communicative competence and skills would be, at least, as important as general intelligence. To show that la...