Identification of ractopamine glucuronides and determination of bioactive ractopamine residues and its metabolites in food animal urine by ELISA, LC-MS/MS and GC-MS

Monitoring of ractopamine concentration in the mixture of this feed additive with vitamin mineral complex and with swine feed by HPLC

(2013) Ellen Figueiredo Freire et al.   Food Additives and Contaminants Part A-Chemistry Analysis Control Exposure & Risk Assessment

Highly Sensitive and Specific Liquid Chromatography-Tandem Mass Spectrometry Method for Testing Ractopamine in Cow and Sheep Urine

(2013) Xiaoyun Liu et al.   JOURNAL OF ANALYTICAL TOXICOLOGY

UPLC–MS/MS determination of ractopamine residues in retinal tissue of treated food-producing pigs

(2012) Ana Vulić et al.   JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES

Simultaneous determination for toxic ractopamine and salbutamol in pork sample using hybrid carbon nanotubes

(2012) Kuo-Chiang Lin et al.   SENSORS AND ACTUATORS B-CHEMICAL

Detection of ractopamine residues in pork by surface plasmon resonance-based biosensor inhibition immunoassay

(2011) Xiao Lu et al.   FOOD CHEMISTRY

Rapid Determination of Ractopamine in Swine Urine Using Surface-Enhanced Raman Spectroscopy

(2011) Fuli Zhai et al.   JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY

Electrochemical immunosensor based on polyaniline/poly (acrylic acid) and Au-hybrid graphene nanocomposite for sensitivity enhanced detection of salbutamol

(2010) Jiadong Huang et al.   FOOD RESEARCH INTERNATIONAL

Depletion of Urinary Zilpaterol Residues in Horses As Measured by ELISA and UPLC-MS/MS

(2010) Weilin L. Shelver et al.   JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY