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UrineUrinalysisUrine Specimen CollectionSubstance Abuse DetectionBacteriuriaChromatography, High Pressure LiquidCreatinineSpecimen HandlingMaple Syrup Urine DiseaseKidneyDiuresisUrinary Tract InfectionsKidney Concentrating AbilityReagent StripsBiological MarkersGlucuronatesSpecific GravityProteinuriaForensic MedicineUrinationEnzyme Multiplied Immunoassay TechniqueKidney CalculiGlycosuriaChromatography, GasHippuratesFecesAlbuminuriaChromatography, LiquidMass SpectrometryCalcium OxalateBiotransformationAdministration, OralTime FactorsReference ValuesOsmolar ConcentrationWater DeprivationImmunoassayUrinary CalculiHalf-LifeKidney DiseasesPolyuriaWater-Electrolyte BalanceTandem Mass SpectrometryAquaporin 2CalibrationHematuriaGlomerular Filtration RateDoping in SportsUrinary BladderPyuriaUrinary CatheterizationUreaEnvironmental MonitoringUrolithiasisMetabolic Clearance RateUrinary Bladder NeoplasmsReference StandardsSodiumColorimetryUromodulinGlucuronidesOxalatesCodeineUrethraBileEnvironmental ExposureCotinineNatriuresisSpectrometry, Mass, Electrospray IonizationDrinkingFalse Negative ReactionsKidney TubulesBody FluidsOliguriaReagent Kits, DiagnosticEvaluation Studies as TopicHydrogen-Ion ConcentrationOccupational ExposureSpectrophotometry, AtomicFalse Positive ReactionsChlamydia InfectionsStreet DrugsSchistosomiasis haematobiaBoric AcidsRadioimmunoassayVanilmandelic AcidHemoglobinuriaPyelonephritisChlamydia trachomatisKidney Function TestsElectrolytesLipocalinsAutoanalysisNarcoticsInjections, IntravenousIndicators and ReagentsTissue DistributionAbsorptionSolid Phase Extraction3,4-Methylenedioxyamphetamine
ELECTRODESensorsSensorSalivaNanotubesDeterminationMetabolitesHPLCImmunosensor2020BiomarkerMeasured in urine samplesSerumBiosensorSource-separated urineSamplesFluorescenceDetection in urineElectrochemistrySanitationFecesIonicBiomarkersConcentrationsMembranesPlasmaMethodsMetaboliteGradientSensitivityHumanChemicalProbeRecognitionArticleBloodAnalyticalKidneyMeasurementWidelyLaboratorySocietyGlucosePropertiesProteinStudyNitrogenAcidEssentialPrimarily
ELECTRODE11
  • In this work, we report on a miniature electrochemical sensor that can rapidly detect mercury in urine at levels well below the US Biological Exposure Index (BEI) limit of 50 ppb (µg/L). The sensor is based on a thin-film gold electrode and anodic stripping voltammetry electroanalytical approach. (cdc.gov)
  • The developed electrode was effectively utilized towards electrochemical MMA determination in urine and human blood serum samples. (rsc.org)
  • A new molecularly imprinted electrochemical sensor was proposed to determine 4,4′-methylene diphenyl diamine (MDA) using molecularly imprinted polymer-multiwalled carbon nanotubes modified glassy carbon electrode (MIP/MWCNTs/GCE). (mdpi.com)
  • This is the effect of an electrode changing its environment and thus its potential during an electrochemical reaction. (medicaldesignbriefs.com)
  • The development and analytical applications of electrochemical sensors based on antimony tin oxide (ATO)-Prussian blue (PB) screen-printed electrode (SPE) and PEDOT-PB modified glassy carbon electrode are presented. (researchgate.net)
  • The ATO-PB electrode was successfully applied in the electrochemical detection of K⁺ ions. (researchgate.net)
  • Methods: The electrochemical behavior of BUD was investigated using cyclic voltammetry (CV) and differential pulse voltammetry (DPV) with a carbon paste electrode (CPE) in various electrolyte and buffer solutions with pH ranging from 2 to 9. (istanbul.edu.tr)
  • Electrochemical determination of dexamethasone by graphene modified electrode: experimental and theoretical in-vestigations. (istanbul.edu.tr)
  • Dif-ferential Pulse Voltammetric Determination of Anticancer Drug Regorafenib at a Carbon Paste Electrode: Electrochemical Study and Density Functional Theory Computations. (istanbul.edu.tr)
  • The modified electrode was characterized by electrochemical impedance spectroscopy, cyclic voltammetry and differential pulse voltammetry. (ac.ir)
  • Developed a fully integrated battery free flexible electrochemical label, which can be pasted on the wall of food or beverage containers for a long time to realize the on-site monitoring of the migration of toxic substances such as lead and cadmium from containers to food, and realize the wireless data transmission and wireless power supply of equipment through anodic dissolution voltammetry, NFC module and flexible electrode array. (aladdintop.com)
Sensors7
  • IVD POC products available today like glucose meters or pregnancy test kits will soon share "shelf space" with start-ups offering novel sensors and meters using nasal swabs, saliva, urine, sweat, and blood. (medicaldesignbriefs.com)
  • Dr. Pendley's research interests are in the realm of electrochemical sensors with clinical applications. (memphis.edu)
  • Dr. Pendley began his research career at Cornell, developing and using nanometer-sized amperometric electrochemical sensors. (memphis.edu)
  • In 1998 while he was on sabbatical leave in Biomedical Engineering at The University of Memphis, he became interested in medical applications of electrochemical sensors. (memphis.edu)
  • This communication demonstrates that a 3D printing pen, commercially-available as a toy for kids, can be used to draw thermoplastic electrochemical sensors using conductive filaments over any desirable format and substrate. (scielo.br)
  • Many other designs, conductive filaments and substrates can be combined with a 3D pen to draw electrochemical sensors as well as other electrochemical devices, with applications ranging from medical point-of-care platforms, energy-storage devices as well as for teaching purpose. (scielo.br)
  • With the development of flexible materials and microfluidic technology, many new electrochemical sensors have been derived. (aladdintop.com)
Sensor4
  • The sensor successfully detected mercury at trace levels in urine, with a limit of detection of approx. (cdc.gov)
  • This work reports the fabrication and analytical assessment of a very simple sample-to-result electrochemical sensor for discrete. (researchgate.net)
  • In this Article, a new electrochemical sensor based on molecular imprinting polymer (MIP) and platinum nanoparticles (Pt NPs)/carbon nitride nanotubes (C3N4 NTs) nanocomposite was developed for atrazine (ATR) analysis. (iste.edu.tr)
  • With the development of science and technology, more and more wearable devices have made great progress, and gradually formed a complete system, which combines flexible stretchable electronic technology, electrochemical sensor, microfluidic control technology, intelligent terminal and data analysis and processing software. (aladdintop.com)
Saliva3
  • Our group works on thin film devices made with plastic materials that can be used for electrochemically sensing of common analytes from easily accessible bodily fluids (e.g. sweat, saliva, urine) and can be easily multiplexed. (stanford.edu)
  • 5%). This immunosensor was successfully applied for MMP-1 detection in urine, saliva, bovine serum, and cell culture media (HSC-3 & C6) of oral and brain cancers showing results comparable to those of the credible ELISA method. (edu.hk)
  • NNAL saliva and urine biomarker for SHSe (table 1). (cdc.gov)
Nanotubes2
  • Determining the Current Range for Rapid Electrochemical Disinfection Using Thermally Treated Titanium Oxide Nanotubes. (utah.edu)
  • 2020). Enhancing electrochemical properties of TiO2 nanotubes via engineered defect laden crystal structures. (utah.edu)
Determination6
  • The calibration plot allowed a range of linearity extending between 15 and 3000 pg/mL TGF-β1 which is adequate for the determination of the cytokine in plasma and urine. (ucm.es)
  • The usefulness of the immunosensor for the determination of low TGF-β1 concentrations in real samples was evaluated by analyzing spiked urine at different pg/mL concentration levels. (ucm.es)
  • The aim of the study was to investigate the electrochemical properties of BUD for the first time and to develop a sensitive, easy, and selective new differential pulse voltammetry (DPV) method for its determination in drug formulation. (istanbul.edu.tr)
  • Effect of cetyltri-methyl ammonium bromide on electrochemical determination of dexamethasone. (istanbul.edu.tr)
  • An aptamer-based method is described for electrochemical determination of lysozyme. (ac.ir)
  • It was applied to the determination of lysozyme in egg white, serum, and urine. (ac.ir)
Metabolites2
  • Liquid chromatography with electrochemical detection (LC/ECD) and gas chromatography/mass spectrometry (GC/MS) were used to identify metabolites of N-methyl-3,4-methylenedioxyamphetamine (MDMA) in samples of rat plasma and urine. (erowid.org)
  • Metabolites of ibuprofen and naproxen were observed in urine samples. (gla.ac.uk)
HPLC4
  • To investigate the elimination kinetics of psilocin (PI), the first metabolite of PY, urine was collected for 24 h and PI concentrations were determined by high-performance liquid chromatography with column switching and electrochemical detection (HPLC-ECD). (erowid.org)
  • MDA and N-methyl-1-(4-hydroxy-3-methoxy-phenyl)-2-aminopropane (3b) were identified in urine by HPLC and confirmed by GC/MS. 1-(4-Hydroxy-3-methyoxyphenyl)2-aminopropane, (3a), N-methyl-1-(3-hydroxy-4-methoxyphenyl)-2-aminopropane (2b) and 1-(3,4-dihydroxyphenyl)-2-aminopropane (4a) were tentatively identified by LC/ECD but insufficient sample size precluded confirmation by mass spectrometry. (erowid.org)
  • In addition, fluorescence spectrometry and electrochemical detection (ECD) were examined to assess their value as additional HPLC detection systems which might increase the selectivity or sensitivity of the method. (gla.ac.uk)
  • METHODS: VIC was measured using HPLC with electrochemical detection. (cdc.gov)
Immunosensor1
  • In this study, an ultra-sensitive electrochemical immunosensor for PSA detection was designed. (iste.edu.tr)
20201
  • Journal of The Electrochemical Society 167, no. 13 (2020): 135501. (duke.edu)
Biomarker1
  • Angeles, California, USA and urine biomarker for SHSe. (cdc.gov)
Measured in urine samples1
  • Peak PI concentrations up to 870 microg/l were measured in urine samples from the 2-4 h collection interval. (erowid.org)
Serum1
  • The National Institute of Standards and Technology (NIST) provides a wide variety of reference materials (RMs) and Standard Reference Materials(R) (SRM(R)s) including blood, serum, plasma, and urine with values assigned for analytes of clinical interest. (cdc.gov)
Biosensor1
Source-separated urine1
  • How to treat source-separated urine as a valuable recyclable resource has become a novel challenge. (mdpi.com)
Samples8
  • Addition of beta-glucuronidase to urine samples and incubation for 5 h at 40 degrees C led to twofold higher PI concentrations, although 18+/-7% of the amount of unconjugated PI was decomposed during incubation. (erowid.org)
  • We conclude that in humans PI is partially excreted as PI-O-glucuronide and that enzymatic hydrolysis extends the time of detectability for PI in urine samples. (erowid.org)
  • Blood and urine samples were collected serially in the ibuprofen and mefenamic acid experiments. (gla.ac.uk)
  • Urine samples only were collected for the remaining three compounds. (gla.ac.uk)
  • The five test compounds were detected and quantified in the urine and plasma samples collected. (gla.ac.uk)
  • Fu, L. Diagnosis Using Urine Samples. (encyclopedia.pub)
  • Diagnosis Using Urine Samples" Encyclopedia , https://encyclopedia.pub/entry/13172 (accessed December 08, 2023). (encyclopedia.pub)
  • Furthermore, an in-depth review of lab-on-paper devices for disease measurement based on an analysis of urine samples was presented. (encyclopedia.pub)
Fluorescence1
Detection in urine2
  • Of upcoming interest is hypermethylated DNA (hmDNA)-based cancer detection in urine. (utwente.nl)
  • The specific hmDNA gene was only detected in the hmDNA-enriched DNA from the urine of a cervical cancer patient and not in the control sample, thereby providing proof-of-principle for hmDNA-based cervical cancer detection in urine using the hmDNA enrichment device. (utwente.nl)
Electrochemistry1
  • I've been part of the first group of people to apply electrochemistry to urine and to extract nitrogen in a new way we call electrochemical stripping. (berkeley.edu)
Sanitation3
  • In recent years, a large number of urine-diverting dehydration toilets (UDDTs) have been installed in eThekwini to ensure access to adequate sanitation. (scielo.org.za)
  • 2006). In addition to providing 200 ℓ of free potable water per household and day, EWS installed urine-diverting dry toilets (UDDTs) to achieve access to sanitation. (scielo.org.za)
  • The Blum Center sat down with Tarpeh to learn more about his views of Development Engineering and how his research combines electrochemical engineering, global sanitation, and resource recovery. (berkeley.edu)
Feces3
  • Urinalysis can be used to detect mercury , which is excreted in urine and feces, and correlate exposure with toxic effects. (cdc.gov)
  • She had a Gates Foundation grant that was part of their Grand Challenges exploration, and she and a post-doc were working on the idea of using ammonia from urine to disinfect feces. (berkeley.edu)
  • We chose urine because there were lots of motivations for separating out urine and feces. (berkeley.edu)
Ionic2
  • It was also at this time that he began a wonderful collaborative relationship with Dr. Erno Lindner at UM and they worked on many projects together since that time, leveraging electrochemical detection methods to achieve medical applications (e.g., primarily ionic and small molecule detection in blood and urine). (memphis.edu)
  • I will describe electrochemical transistors that detect ionic species either directly present in body fluids or resulting from a selective enzymatic reaction (e.g. ammonia from creatinine) at physiological levels. (stanford.edu)
Biomarkers2
  • The project Electrochemical Sensing of Breast Cancer Metabolic Biomarkers in Urine is a collaboration between the School of Basic Sciences-IIT Mandi, and the Laboratory of Molecular Science and Engineering- ÅAU. (aalto.fi)
  • Engineered Electroactive Solutions for Electrochemical Detection of Tuberculosis-Associated Volatile Organic Biomarkers. (utah.edu)
Concentrations1
  • There is a lack of information on antimalarial distribution in the body over time after administration, e.g. the drug concentrations in whole blood, plasma, and urine, which must be improved in order to advance curing the parasitic disease malaria. (diva-portal.org)
Membranes1
  • Using these membranes in conjunction with electrochemical transistors we demonstrate that we are able to measure physiological levels of cortisol in real human sweat. (stanford.edu)
Plasma1
  • Here we review the available sample preparation strategies combined with liquid chromatographic (LC) analysis to determine antimalarials in whole blood, plasma and urine published over the last decade. (diva-portal.org)
Methods1
  • In 2010 the international and trans-disciplinary research project VUNA was initiated in order to explore technologies and management methods for better urine management in eThekwini. (scielo.org.za)
Metabolite1
  • Minnesota, USA a metabolite of NNK, can be determined in the urine of highly correlated. (cdc.gov)
Gradient3
  • Direct entry of Na+ along a favourable electrochemical gradient. (pharmacy180.com)
  • In addition, a Na+Cl¯ symporter moves Cl¯ down its electrochemical gradient into e.c.f. and carries Na+ along. (pharmacy180.com)
  • The protein complex provides energy in the form of an electrochemical gradient, which may be used by either MITOCHONDRIAL PROTON-TRANSLOCATING ATPASES or BACTERIAL PROTON-TRANSLOCATING ATPASES. (bvsalud.org)
Sensitivity2
  • The sensitivity for electrochemical DNA detection was increased upon reduction of the distance between the micropillars. (utwente.nl)
  • The use of this nanocomposite results in a considerable enhancement of the electrochemical signal and contributes to improving sensitivity. (ac.ir)
Human1
Chemical1
  • And from a chemical engineering perspective, we thought nitrogen from urine could be useful because nitrogen fertilizers are central to modern society-they've helped feed a growing population. (berkeley.edu)
Probe1
  • Hexacyanoferrate was used as an electrochemical probe to study the dependence of the peak current on lysozyme concentration. (ac.ir)
Recognition1
  • Developing a rapid and culture-free electrochemical point-of-care test for bacteria in urine: A functional recognition and material approach. (morressier.com)
Article1
Blood2
  • Here, we present an electrochemical-based direct-from-specimen ID/AST method for reporting directly from unprocessed urine and blood in hours. (figshare.com)
  • Unlike blood, urine is a non-invasive sample that can be easily collected without pain, or the need for special equipment. (encyclopedia.pub)
Analytical1
  • The study was divided into three parts, dealing with the evaluation and selection of an appropriate analytical methodology, the investigation of acidic endogenous components of greyhound urine and the analysis of selected NSAIDs in urine following administration at therapeutic levels to greyhounds. (gla.ac.uk)
Kidney2
Measurement1
  • The two basic measurement techniques for IVD POC home testing are optical and electrochemical (EC). (medicaldesignbriefs.com)
Widely1
  • In recent years, scholars at home and abroad have used electrochemical detection technology more and more widely in the fields of medical treatment, food, new energy and so on, and are developing in the direction of portability, wearability and intelligence, integrating qualitative or quantitative detection targets with smart phones, smart watches, tablets and other devices. (aladdintop.com)
Laboratory1
  • While urine electrolysis requires further research in the laboratory, struvite precipitation and nitrification/distillation have already been operated at pilot scale. (scielo.org.za)
Society1
Glucose1
  • At the centre is the shift from electrochemical test strips towards minimally invasive continuous glucose monitors (CGMs). (idtechex.com)
Properties1
  • This is accompanied by a change in the electrochemical properties of the solution, with the current generated correlating with β-hydroxybutyrate levels. (medscape.com)
Protein1
Study2
  • The purpose of this study was to develop a screening procedure for the detection of non-steroidal anti-inflammatory drugs (NSAIDs) in the urine of the racing greyhound. (gla.ac.uk)
  • 2) The second part of the study established the normal pattern of organic acids present in greyhound urine, which would be co-extracted with any NSAIDs present and might lead to interference in the detection and quantitation of the drugs. (gla.ac.uk)
Nitrogen3
  • That's when we landed on urine and recovering nitrogen. (berkeley.edu)
  • My first paper as a PhD student compared materials that adsorb or concentrate nitrogen in urine. (berkeley.edu)
  • Another contribution is in electrochemical nitrogen recovery. (berkeley.edu)
Acid1
Essential1
  • A Foley catheter with urometer is useful for monitoring urine output and is essential in Cardiac dysfunction should be strongly considered in the presence of persistently low O2 saturations, the development of respiratory distress, persistent pulmonary edema, or. (avpt.it)
Primarily1
  • The diuretics act primarily by inhibiting tubular reabsorption: just 1% decrease in tubular reabsorption would more than double urine output. (pharmacy180.com)