Sensing and Instrumentation for Food Quality and Safety
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Characterization of rsmC as a potential reference gene for Salmonella Typhimurium gene expression during growth in spent media
Sensing and Instrumentation for Food Quality and Safety - Tập 1 Số 3 - Trang 99-103 - 2007
Using a Short Wavelength Infrared (SWIR) hyperspectral imaging system to predict alpha amylase activity in individual Canadian western wheat kernels
Sensing and Instrumentation for Food Quality and Safety - Tập 3 - Trang 211-218 - 2009
Sprout damage (pre-harvest germination) in wheat results in highly deleterious
effects on end-product quality. Alpha-amylase, the pre-dominant enzyme in the
early stage of sprouting has the most damaging effect. This paper introduces a
new method using a SWIR hyperspectral imaging system (1000–2500 nm) to predict
the α-amylase activity of individual wheat kernels. Two classes of Canadian
wheat, Ca...
Feasibility of estimating peanut essential minerals by near infrared reflectance spectroscopy
Sensing and Instrumentation for Food Quality and Safety - Tập 5 - Trang 43-49 - 2011
The use of near infrared reflectance spectroscopy (NIRS) to evaluate the
nutritional quality of peanut kernels has potential applications in plant
breeding as a rapid, non-destructive tool for seed/plant selection, and in
quality control. We investigated the feasibility of applying NIRS to the
estimation of essential mineral composition in peanut kernels using two sample
sets: A, comprising 56 div...
Detecting single Bacillus spores by surface enhanced Raman spectroscopy
Sensing and Instrumentation for Food Quality and Safety - Tập 2 - Trang 247-253 - 2008
Detection of Bacillus spores is of considerable importance to the food industry
since they can survive standard processing procedures and sanitation treatments.
Surface enhanced Raman spectroscopy (SERS) coupled with gold SERS-active
substrates was used to detect and discriminate among five Bacillus spores (B.
cereus ATCC 13061, B. cereus ATCC 10876, B. cereus sp., B. subtilis sp., and B.
stearoth...
Time-resolved reflectance spectroscopy for non-destructive assessment of food quality
Sensing and Instrumentation for Food Quality and Safety - Tập 2 - Trang 82-89 - 2008
In the majority of most food and feed, visible, and near infrared light
undergoes multiple scattering events and the overall light distribution is
determined more by scattering rather than absorption due to the microscopic
spatial changes in the refractive index. Conventional steady state reflectance
spectroscopy can provide information on light attenuation, which depends both on
light absorption ...
Rapid colorimetric detection of proteins and bacteria using silver reduction/precipitation catalyzed by gold nanoparticles
Sensing and Instrumentation for Food Quality and Safety - Tập 2 - Trang 34-42 - 2007
A colorimetric immunoassay has been developed based on the reduction and
precipitation of silver ions catalyzed by colloidal gold. This method was
evaluated for a noncompetitive heterogeneous immunoassay to detect ovalbumin as
a model protein and Escherichia coli as model bacterium. The influence of
relevant experimental variables, including the reaction time of antigen with
antibody, the dilution...
Fusarium damage assessment in wheat kernels by Vis/NIR hyperspectral imaging
Sensing and Instrumentation for Food Quality and Safety - Tập 5 - Trang 63-71 - 2011
Fusarium head blight is a fungal disease that affects the world’s small grains,
such as wheat and barley. Attacking the spikelets during development, the fungus
causes a reduction of yield and grain of poorer processing quality. Secondary
metabolites that often accompany the fungus, such as deoxynivalenol (DON), are
health concerns to humans and livestock. Conventional grain inspection
procedures ...
Validation of quick measurement of mineral nutrients in milk powders: comparison of energy dispersive X-ray fluorescence with inductively coupled plasma-optical emission spectroscopy and potentiometry reference methods
Sensing and Instrumentation for Food Quality and Safety - Tập 2 - Trang 254-261 - 2008
Energy dispersive X-ray fluorescence method is a good candidate to be
implemented close to production lines of fortified milk powders, in order to
ensure their quality control. In this study an energy dispersive X-ray
fluorescence (EDXRF) method was tested as a simple, fast (< 8 min/pellet) and
simultaneous method for the quantification of a series of macroelements (Na, Mg,
P, Cl, K and Ca) and mi...
Magnetoelastic biosensor for the detection of Salmonella typhimurium in food products
Sensing and Instrumentation for Food Quality and Safety - - 2007
In this article, a magnetoelastic sensor immobilized with polyclonal antibody
for the detection of Salmonella typhimurium in food products is described. The
remote query nature of magnetoelastic sensors enables the detection of bacterial
species in sealed and opaque containers. Bacterial binding to the antibody on
the sensor surfaces changed the resonance parameters, and these changes were
quantif...
An electrochemical enzyme immunoassay for aflatoxin B1 based on bio-electrocatalytic reaction with room-temperature ionic liquid and nanoparticle-modified electrodes
Sensing and Instrumentation for Food Quality and Safety - Tập 2 - Trang 43-50 - 2008
A new electrochemical immunosensor for the determination of aflatoxin B1 (AFB1)
based on bio-electrocatalytic reaction was proposed. An imidazolium cation
room-temperature ionic liquid (RTIL), 1-ethyl-3-methyl imidazolium
tetrafluoroborate ([EMIm][BF4]), was initially immobilized on the surface of a
glassy carbon electrode (GCE) through titania sol and Nafion film, then nanogold
particles were ads...
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