California Inventor Develops Enzyme Activity Sensor, Planar Waveguide

US Fed News Service, Including US State News;  August 21, 2008 ;     192 words ......the U.S. Patent & Trademark Office: "Enzyme activity sensors comprising a planar waveguide can...sensitive and quantitative measurement of enzyme activity. Such enzyme activity sensors are useful in a variety of settings...

A simulation game for the study of enzyme kinetics & inhibition

The American Biology Teacher;  March 1, 1996 ;     700+ words ......deals with the relationship between enzyme activity and substrate concentration. The second...competitive and noncompetitive inhibition of enzyme activity. In competitive inhibition, the inhibitor...Simulation of the relationship between enzyme activity and substrate Students are ...

The spatial differences in arylsulfatase enzyme activity on hillslopes...

Australian Journal of Soil Research;  June 1, 2007 ;     700+ words ......Caldwell et al. 1999). Part of the soil enzyme activity is associated with living microorganisms...eco-geomorphic systems according to enzyme activity (Steinberger et al. 1998; Li and Sarah...conditions on the spatial pattern of enzyme activity (Li and Sarah 2003a). In light of...

Regulation of squalence synthase, a key enzyme of sterol biosynthesis, in...

Plant Physiology;  July 1, 2002 ;     700+ words ......correlated with a reduction in SS enzyme activity. The current study sought to correlate changes in SS enzyme activity with changes in the level of...the initial suppression of SS enzyme activity in elicitor-challenged cells...

Enzyme Activity and Flexibility at Very Low Hydration

Biophysical Journal;  August 1, 2005 ;     700+ words ......Recent measurements have demonstrated enzyme activity at hydrations as low as 3%. This raises...the degree of hydration required for enzyme activity vary (14,18-21). A commonly discussed...23,24). There have been reports of enzyme activity in organic solvents at very low...

Reporting enzyme measurement results in relative units

Archives of Pathology & Laboratory Medicine;  May 1, 1999 ;     700+ words ......suggested that a ratio relating measured enzyme activity to the upper limit of normal (ULN...purposes. The measurement of catalytic enzyme activity most clearly presents the problem...investigated ways to merge method-dependent enzyme activity results and to compare enzyme ...

Tannic Acid Effects on Raphanus raphanistrum Root Acid Phosphatase(1).

The Ohio Journal of Science;  December 1, 2000 ;     700+ words ......fresh [weight.sup.-1] of root tissue. Enzyme activity data was extrapolated to provide estimates...may interfere with measurement of enzyme activity. Rao and others (1996, 1998) reported...estimates of APase activity, then enzyme activity might be underestimated. The objectives...

Australian, British Inventors Develop Lysosomal Enzyme Activity Assaying...

US Fed News Service, Including US State News;  May 14, 2008 ;     264 words ......Britain, have developed a lysosomal enzyme activity assaying system. According to the...Methods for assaying a lysosomal enzyme activity present in a blood sample obtained...enzyme reagent complex. The lysosomal enzyme activity present in the blood sample is then...

Characterization and subcellular compartmentation of recombinant...

Plant Physiology;  April 1, 1999 ;     700+ words ......and molecular oxygen. In plants this enzyme activity is involved in two distinct metabolic...substrate 4HPP. In most organisms this enzyme activity is involved in the catabolism of the...first time to our knowledge, that this enzyme activity in plants was associated with the...

New York Inventors Develop Prokaryotic Pathogen Infection Treating Method

US Fed News Service, Including US State News;  October 30, 2007 ;     326 words ......antibacterial host defenses; inhibiting enzyme activity in a pathogen under conditions effective...enzyme, or inhibiting proteasomal and enzyme activity under conditions to make the pathogen...and protease activity, DNA repair enzyme activity, or flavin-like co-factor synthesis...

Photoreactivation of alloxanthine-inhibited xanthine oxidase

Photochemistry and Photobiology;  April 1, 2001 ;     700+ words ......wavelengths in the range of 340-430 nm. The enzyme activity can be fully controlled to be on or...yield of photoreactivation of the enzyme activity is ~0.06. A photoinduced intraenzyme...process. INTRODUCTION Photocontrol of enzyme activity has been the focus of interest in...

Cardiovascular aging and anthracycline metabolism.(SECTION:...

Journal of the Idaho Academy of Science;  June 1, 2005 ;     121 words ......older rats. In this study, age-related differences of this enzyme activity and metabolite conversion were studied in young and old...demonstrated that the older heart tissues showed greater enzyme activity than younger hearts, and older hearts produced more D2 than...

A Redefinition of the Representation of Mammary Cells and Enzyme...

Journal of Dairy Science;  August 1, 2007 ;     700+ words ......store responses. In Molly, mammary enzyme activity is represented as an aggregate of...representation of mammary cells and enzyme activity in Molly with a representation of...that model, mammary cell numbers and enzyme activity were depicted in aggregate using the...

WIPO: Inventors in New Jersey, Pennsylvania Develop Enzyme Inhibition...

US Fed News Service, Including US State News;  November 23, 2008 ;     196 words ......have developed compositions useful for the inhibition of enzyme activity. According to an abstract posted by the World Intellectual...to "methods and compositions useful for the inhibition of enzyme activity, including in the treatment of enzymatic dermatitis, are...

LINK BETWEEN CANCER, ELECTRICITY HINTED IN STUDY

The Boston Globe;  October 31, 1987 ;     235 words ...LOS ANGELES - Human and rat tumor cells displayed greater enzyme activity when exposed to electricity, and researchers said the study...Institute in Palo Alto, said that to extrapolate from changes in enzyme activity in a cell to cancer in people "requires a leap of several...