Reports on news of interest to SPS society members.

The IEEE Microwave Theory and Technology Society (MTT-S) represents a diverse inclusive community whose work spans components systems from MHz to THz. These wide-ranging topical areas are organized into 26 technical committee (TCs) in technologies spanning core applications applications. Each month, <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink...

The MTT method for rifampicin and isoniazid susceptibility testing of Mycobacterium tuberculosis was developed by using bacterial suspension prepared from colonies on solid media. The MTT tube assay in 1 ml Middlebrook 7H9 broth was completed within 4 days for rifampicin (RMP) and within 7 days for isoniazid (INH). When MTT assay results with 279 M. tuberculosis clinical isolates were compared ...

Since the mid-1960s, the development of Meaning-Text Theory (MTT) can be followed in Russian, French, and English publications. The main authors of this theory are I. A. Melt~uk and A. K. 7.olkowskij, the first works with a more global insight into MTT being 7.olkowskij and Mel~uk (1965, 1967). Since that time, MTT has been developing and has brought considerable results. Nowadays, there are hu...

The yellow tetrazolium salt 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) is widely used to determine cell viability in cell proliferation and cytotoxic assays. MTT is reduced by metabolically active cells to form an insoluble purple formazan product that is quantifiable by spectrophotometry. It is the most common and direct assay for cell viability. However, in this pres...

OBJECTIVE To improve current understanding of the mechanisms behind thalamic amnesia, as it is unclear whether it is directly related to damage to specific nuclei, in particular to the anterior or mediodorsal nuclei, or indirectly related to lesions of the mammillothalamic tract (MTT). METHODS We recruited 12 patients with a left thalamic infarction and 25 healthy matched controls. All underw...

OBJECTIVE To evaluate a maintenance-tailored therapy (MTT) compared to standard behavior therapy (SBT) for treatment of obesity. MAIN OUTCOME MEASURE change in body weight. METHOD A non-blinded, randomized trial comparing effectiveness of MTT and SBT in facilitating sustained weight loss over 18 months; 213 adult volunteers> or =18 years participated. SBT had fixed behavioral goals, MTT goa...

BACKGROUND The CloneSelect Imager system is an image-based visualisation system for cell growth assessment. Traditionally cell proliferation is measured with the colorimetric MTT assay. RESULTS Here we show that both the CloneSelect Imager and the MTT approach result in comparable EC50 values when assaying the cytotoxicity of cisplatin and oxaliplatin on various cell lines. However, the image...

It is controversial whether isolated lesions of mammillothalamic tract (MTT) produce significant amnesia. Since the MTT is small and adjacent to several important structures for memory, amnesia associated with isolated MTT infarction has been rarely reported. We report a patient who developed amnesia following an infarction of the left MTT that spared adjacent memory-related structures includin...