نتایج جستجو برای: plsda
تعداد نتایج: 68 فیلتر نتایج به سال:
Dampening during processing or storage can largely influence the quality of white lotus seeds (WLS). This paper investigated the feasibility of using near-infrared (NIR) spectroscopy and chemometrics for rapid and nondestructive discrimination of the dampened WLS. Regular (n = 167) and dampened (n = 118) WLS objects were collected from five main producing areas and NIR reflectance spectra (4000...
Acute limb ischemia is a common cause of morbidity and mortality following trauma both in civilian centers and in combat related injuries. Rapid determination of tissue viability and surgical restoration of blood flow are desirable, but not always possible. We sought to characterize the response to increasing periods of hind limb ischemia in a porcine model such that we could define a period of...
This study focused on the use of Near InfraRed (NIR) Spectroscopy to address lack tools and skills for wood identification Dalbergia species from Madagascar. Two sample sets 41 blocks cores belonging four (D. abrahamii, D. chlorocarpa, D.greveana, pervillei) were collected in northern western regions Sapwood heartwood NIR spectra measured onwood at 12% moisture content by using a portable VIAVI ...
Chrysanthemi Flos ‘Hangbaiju’ (HBJ) is a common Chinese medicinal material with the same origin as and edible cognate plant in China, whose quality seriously affected by place of origin. In this study, four stable isotope ratios (δ15N, δ2H, δ13C, δ18O) 44 elements were detected analyzed 191 HBJ flower samples from six locations China to trace HBJ. An ANOVA analysis δ15N, δ18O values, well milti...
Eurasian grapevine is a widely cultivated horticultural plant worldwide, but it more susceptible to powdery mildew. In recent years, the high cost and negative environmental impact of calendar-applied sulfur fungicides are leading research find alternative remedies. this study, early prediction (three days) first appearance mildew infection, on two different Italian cultivars, was detected thro...
We aimed to develop a reliable method based on Fourier transform infrared spectroscopy with attenuated total reflectance (FTIR-ATR) to discriminate Escherichia coli clones from B2(n = 9) and D(n = 13) phylogenetic groups. Eighty-eight E. coli isolates belonging to phylogenetic groups B2(n = 39) and D(n = 49), including particularly widespread high risk clones or clonal complexes (HiRCC) ST131, ...
Background. Human immunodeficiency virus (HIV)-1 elite controllers (ECs) represent an ideal population to study the effects of HIV persistence on chronic inflammation in the absence of antiretroviral therapy (ART). Methods. Twenty inflammatory markers measured in cohorts of ECs, HIV suppressed noncontrollers, and HIV-uninfected controls were compared using rank-based tests and partial least s...
1H NMR spectroscopy and chemometric analysis were used to characterize rat urine obtained after chronic exposure to either tributyl phosphate (TBP) or triphenyl phosphate (TPP). In this study, the daily dose exposure was 1.5 mg/kg body weight for TBP, or 2.0 mg/kg body weight for TPP, administered over a 15-week period. Orthogonal signal correction (OSC) -filtered partial least square discrimin...
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