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Urine microscopy

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https://www.readbyqxmd.com/read/28213225/a-melamine-based-molecularly-imprinted-sensor-for-the-determination-of-8-hydroxydeoxyguanosine-in-human-urine
#1
Neeraj Kumar, Rosy, Rajendra N Goyal
A sensitive and facile molecular imprinted sensor has been fabricated using edge plane pyrolytic graphite (EPPG) for the determination of an important oxidative DNA damage product, 8-hydroxydeoxyguanosine (8-OHdG). The molecularly imprinted polymer film was fabricated by electropolymerization of melamine in the presence of 8-OHdG, on glutaraldehyde/poly 1,5-diaminonaphthalene modified EPPG. The imprinted sensor surface was characterized by using Field Emission Scanning Electron Microscopy, Electron Impedance Spectroscopy, Cyclic Voltammetry, Square Wave Voltammetry and UV-visible spectroscopy...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28212679/histopathological-study-of-cardiac-lesions-in-methamphetamine-poisoning-related-deaths
#2
Maryam Akhgari, Homeira Mobaraki, Afshar Etemadi-Aleagha
BACKGROUND: Methamphetamine abuse is a worldwide health concern. Methamphetamine causes health hazards in many vital organs. It can cause damage to cardiac tissue via catecholamines release. Methamphetamine related deaths are becoming one of the most important problems in Iran. The purpose of the present study was to determine cardiac pathology in methamphetamine poisoning-related deaths. METHODS: The study included 100 cases of methamphetamine poisoning-related deaths and 100 cases as control group...
February 17, 2017: Daru: Journal of Faculty of Pharmacy, Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28210641/atypical-plasmacytic-proliferation-in-a-case-of-c3-glomerulopathy-pathophysiology-demystified
#3
Osama Elfituri, Nathan Aardsma, Suman Setty, Frederick Behm, Kimberly Czech
An 11-year-old Hispanic female underwent evaluation of asymptomatic proteinuria and hematuria. The patient denied fever, edema, and gross hematuria. Urinalysis showed mild proteinuria, and a urine microscopic examination revealed red blood cells. Screening tests for glomerulonephritis revealed a low C3 and negative ANA, ASO, DNAse-B, and ANCA. Histological examination of a renal biopsy specimen showed glomeruli with endocapillary proliferation, a predominant C3 deposition in the capillary loops by immunofluorescence, and electron dense deposits in the mesangium, paramesangium, and capillary walls by electron microscopy consistent with a diagnosis of C3 glomerulopathy...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28194457/disposable-cartridge-platform-for-rapid-detection-of-viral-hemorrhagic-fever-viruses
#4
Steven M Scherr, David S Freedman, Krystle N Agans, Alexandru Rosca, Erik Carter, Melody Kuroda, Helen E Fawcett, Chad E Mire, Thomas W Geisbert, M Selim Ünlü, John H Connor
Light microscopy is a straightforward and highly portable imaging approach that is used for the detection of parasites, fungi, and bacteria. The detection of individual virus particles has historically not been possible through this approach. Thus, characterization of virus particles is typically performed using high-energy approaches such as electron microscopy. These approaches require purification of virions away from its normal milieu, significant levels of expertise, and only count a small number of particles at a time...
February 14, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28193470/evaluation-of-layered-double-hydroxide-graphene-hybrid-as-a-sorbent-in-membrane-protected-stir-bar-supported-micro-solid-phase-extraction-for-determination-of-organochlorine-pesticides-in-urine-samples
#5
Muhammad Sajid, Chanbasha Basheer, Muhammad Daud, Abdulnaser Alsharaa
In this work, the potential of layered double hydroxide/graphene (LDH-G) hybrid as a sorbent for extraction and preconcentration of fifteen organochlorine pesticides (OCPs) in urine samples was evaluated. The LDH-G hybrid was synthesized by co-precipitation method and it was then characterized by Fourier transform infrared spectroscopy, scanning electron microscopy, transmission electron microscopy and X-ray diffraction. The sorbent was then employed in membrane-protected stir-bar supported micro-solid-phase extraction (SB-μ-SPE) of OCPs in urine samples...
February 1, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28188739/comparison-of-automated-devices-ux-2000-and-sedimax-autionmax-for-urine-samples-screening-a-multicenter-spanish-study
#6
Catalina Sánchez-Mora, Delia Acevedo, Maria Amelia Porres, Ana María Chaqués, Javier Zapardiel, Aurelia Gallego-Cabrera, Jose María López, Jose María Maesa
OBJECTIVES: In this study we aim to compare UX2000 (Sysmex Corp, Japan) and SediMAX/AutionMax (Arkray Factory Inc., Japan), totally automatized analyzers, against Fuchs-Rosenthal counting chamber, the gold standard technique for sediment analysis. DESIGN AND METHODS: Urine samples of 1454 patients from three Spanish hospitals were assessed for red and white blood cells (RBC; WBC) using three different techniques: flow cytometry, image-based method and Fuchs-Rosenthal counting chamber...
February 7, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28168042/coinfection-with-schistosoma-haematobium-and-plasmodium-falciparum-and-anaemia-severity-among-pregnant-women-in-munyenge-mount-cameroon-area-a-cross-sectional-study
#7
Judith K Anchang-Kimbi, Dillys Mansoh Elad, Gemain Taiwe Sotoing, Eric Akum Achidi
Background. Malaria and urogenital schistosomiasis are coendemic in Mount Cameroon Area. This study investigated the prevalence of S. haematobium, P. falciparum, and coinfections and their effect on anaemia in pregnancy. Methods. Pregnant women reporting for antenatal care (ANC) clinic visit in Munyenge were enrolled. S. haematobium and P. falciparum infections were determined by urine filtration and microscopy, respectively. Haemoglobin (Hb) levels were measured using haemoglobinometer. Of 250 women, 46.8%, 39...
2017: Journal of Parasitology Research
https://www.readbyqxmd.com/read/28164659/analysis-of-four-automated-urinalysis-systems-compared-to-reference-methods
#8
Kamila Bartosova, Zdenek Kubicek, Janka Franekova, Gustav Louzensky, Petra Lavrikova, Antonin Jabor
BACKGROUND: The aim of this study was to compare four automated urinalysis systems: the Iris iQ200 Sprint (Iris Diagnostics, U.S.A.) combined with the Arkray AUTION MAX AX 4030, Iris + AUTION, Arkray AU 4050 (Arkray Global Business, Inc., Japan), Dirui FUS 2000 (Dirui Industrial Co., P.R.C.), and Menarini sediMAX (Menarini, Italy). METHODS: Urine concentrations of protein and glucose (Iris, Dirui) were compared using reference quantitative analysis on an Abbott Architect c16000...
November 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28162096/intestinal-schistosomiasis-in-uganda-at-high-altitude-1400%C3%A2-m-malacological-and-epidemiological-surveys-on-mount-elgon-and-in-fort-portal-crater-lakes-reveal-extra-preventive-chemotherapy-needs
#9
Michelle C Stanton, Moses Adriko, Moses Arinaitwe, Alison Howell, Juliet Davies, Gillian Allison, E James LaCourse, Edridah Muheki, Narcis B Kabatereine, J Russell Stothard
BACKGROUND: Intestinal schistosomiasis is of public health importance in Uganda but communities living above 1400 m are not targeted for control as natural transmission is thought unlikely. To assess altitudinal boundaries and at-risk populations, conjoint malacological and epidemiological surveys were undertaken on Mount Elgon (1139 m-3937 m), in Fort Portal crater lakes and in the Rwenzori Mountains (1123 m-4050 m). METHODS: Seventy freshwater habitats [Mount Elgon (37), Fort Portal crater lakes (23), Rwenzori Mountains (8) and Lake Albert (2)] were inspected for Biomphalaria species...
February 6, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28161696/l-carnitine-ameliorates-the-decrease-of-aquaporin-2-levels-in-rats-with-cisplatin-induced-kidney-injury
#10
Jianjun Gao, Zhaoyan Gu, Min Li, Yongxing Xu, Yuehua Gao, Jiamei Wei, Boran Liang, Yu Na
BACKGROUND: It has been found that L-carnitine ameliorated cisplatin-induced acute kidney injury (AKI) in rats. However, the detailed role of L-carnitine in improving the renal urinary concentration function in cisplatin-induced AKI is not fully understood. METHODS: In this study, 30 Sprague-Dawley rats were divided randomly into 5 groups: control, cisplatin (CIS), L-carnitine (CAR), L-carnitine plus cisplatin (CAR + CIS), and cisplatin plus L-carnitine (CIS + CAR) groups...
February 4, 2017: Nephron
https://www.readbyqxmd.com/read/28153235/fabrication-of-a-polymeric-ionic-liquid-based-adsorbent-for-multiple-monolithic-fiber-solid-phase-microextraction-of-endocrine-disrupting-chemicals-in-complicated-samples
#11
Miao Pei, Zirui Zhang, Xiaojia Huang, Yuanfei Wu
A multiple monolithic fiber solid-phase microextraction (MMF-SPME) utilizing polymeric ionic liquid-based adsorbent was prepared. The adsorbent was obtained by in situ copolymerization of an ionic liquid, 1-trimethyl-(4-vinylbenzyl) aminium chloride and dual cross-linkers (divinylbenzene and ethylenedimethacrylate). The effect of preparation conditions including the content of ionic liquid and porogen in the polymerization mixture on extraction performance was studied in detail. Infrared spectroscopy, elemental analysis, scanning electron microscopy and mercury intrusion porosimetry were used to inspect the physicochemical properties of the new adsorbent...
April 1, 2017: Talanta
https://www.readbyqxmd.com/read/28150092/antimicrobial-activity-study-of-triclosan-loaded-wbpu-on-proteus-mirabilis-in-vitro
#12
Ye Tian, Zhongyu Jian, Jianzhong Wang, Wei He, Qinyu Liu, Kunjie Wang, Hong Li, Hong Tan
OBJECTIVES: To evaluate the antimicrobial activity study of triclosan-loaded waterborne polyurethanes (WBPU) on Proteus mirabilis in vitro. MATERIALS AND METHODS: Inhibition zone assays on petri plates with triclosan-loaded WBPU samples were used to test its antimicrobial activity on Proteus mirabilis. Models of the catheterized bladder supplied with artificial urine infected with Proteus mirabilis were employed to confirm the antimicrobial activity of triclosan-loaded WBPU...
February 1, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28129394/characterization-of-early-phase-neutrophil-extracellular-traps-in-urinary-tract-infections
#13
Yanbao Yu, Keehwan Kwon, Tamara Tsitrin, Shiferaw Bekele, Patricia Sikorski, Karen E Nelson, Rembert Pieper
Neutrophils have an important role in the antimicrobial defense and resolution of urinary tract infections (UTIs). Our research suggests that a mechanism known as neutrophil extracellular trap (NET) formation is a defense strategy to combat pathogens that have invaded the urinary tract. A set of human urine specimens with very high neutrophil counts had microscopic evidence of cellular aggregation and lysis. Deoxyribonuclease I (DNase) treatment resulted in disaggregation of such structures, release of DNA fragments and a proteome enriched in histones and azurophilic granule effectors whose quantitative composition was similar to that of previously described in vitro-formed NETs...
January 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28128225/one-pot-green-synthesis-of-graphene-nanosheets-encapsulated-gold-nanoparticles-for-sensitive-and-selective-detection-of-dopamine
#14
Balamurugan Thirumalraj, Chellakannu Rajkumar, Shen-Ming Chen, Selvakumar Palanisamy
We report a simple new approach for green preparation of gallic acid supported reduced graphene oxide encapsulated gold nanoparticles (GA-RGO/AuNPs) via one-pot hydrothermal method. The as-prepared composites were successfully characterized by using Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy, X-ray powder diffraction techniques (XRD), scanning electron microscope (SEM), high resolution transmission electron microscopy (HRTEM) and elemental analysis. The GA-RGO/AuNPs modified electrode behaves as a hybrid electrode material for sensitive and selective detection of dopamine (DA) in presence of ascorbic acid (AA) and uric acid (UA)...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28125693/incremental-yield-of-including-determine-tb-lam-assay-in-diagnostic-algorithms-for-hospitalized-and-ambulatory-hiv-positive-patients-in-kenya
#15
Helena Huerga, Gabriella Ferlazzo, Paolo Bevilacqua, Beatrice Kirubi, Elisa Ardizzoni, Stephen Wanjala, Joseph Sitienei, Maryline Bonnet
BACKGROUND: Determine-TB LAM assay is a urine point-of-care test useful for TB diagnosis in HIV-positive patients. We assessed the incremental diagnostic yield of adding LAM to algorithms based on clinical signs, sputum smear-microscopy, chest X-ray and Xpert MTB/RIF in HIV-positive patients with symptoms of pulmonary TB (PTB). METHODS: Prospective observational cohort of ambulatory (either severely ill or CD4<200cells/μl or with Body Mass Index<17Kg/m2) and hospitalized symptomatic HIV-positive adults in Kenya...
2017: PloS One
https://www.readbyqxmd.com/read/28101180/acute-renal-injury-induced-by-valacyclovir-hydrochloride-a-case-report
#16
Yanning Zhang, Yuxi Cong, Yan Teng
Acyclovir has been a frequently used antiviral agent in the clinical treatment of leukemia, acute encephalitis, malignant tumor and herpes simplex. The adverse effects of this drug have been widely described in clinical practice. In the present study, a case of a 35-year-old female patient diagnosed with herpes simplex, who developed acute renal injury following treatment with valacyclovir hydrochloride, is described. Kidney biopsy, light microscopy and laboratory examination were performed, and all findings revealed the signs of evident vacuolar degeneration of capillary endothelial and renal tubular epithelial cells, erythrocyte aggregation in partial renal tubule and microvilli exfoliation from epithelial cells...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28101130/silica-titania-xerogel-doped-with-mo-p-heteropoly-compounds-for-solid-phase-spectrophotometric-determination-of-ascorbic-acid-in-fruit-juices-pharmaceuticals-and-synthetic-urine
#17
Maria A Morosanova, Elena I Morosanova
BACKGROUND: Ascorbic acid is one of the most important vitamins to monitor in dietary sources (juices and vitamins) and biological liquids. RESULTS: Silica and silica-titania xerogels doped with Mo,P-heteropoly compounds (HPC) have been synthesized varying titanium(IV) and HPC content in sol. Their surface area and porosity have been studied with nitrogen adsorption and scanning electron microscopy, their elemental composition has been studied with energy-dispersive X-ray analysis...
2017: Chemistry Central Journal
https://www.readbyqxmd.com/read/28100191/diagnostic-dilemma-of-pulmonary-tuberculosis-among-adults-with-severe-mental-illness-in-beijing-china
#18
Li Wang, Zhiguo Zhang, Qiuli Yan, Jie Lu, Baoyin Gao, Yanlin Zhao, Yu Pang
BACKGROUND: Although the prevalence of tuberculosis has decreased significantly over the past decades, the certain populations with mental illness are at increased risk for tuberculosis infection and transmission. However, no studies have examined the performance of different laboratory examination methods among people with severe mental illness in China. METHODS: In this study, we firstly performed a retrospective study to evaluate the feasibility of three routine laboratory methods, including sputum microscopy, solid culture and GeneXpert, to diagnose tuberculosis patients with mental illness...
January 18, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28097080/immunoglobulin-m-nephropathy-in-a-patient-with-wilson-s-disease
#19
Zain Ul Abideen, Zoya Sajjad, Asna Haroon Khan, Nadira Mamoon, Muhammad Bilal, Khaja Hameeduddin Mujtaba Quadri
Immunoglobulin M nephropathy (IgMN) is characterized by the deposition of immunoglobulin M in a dominant distribution in the renal glomeruli. Primary immunoglobulin M nephropathy is diagnosed after consistent light microscopy (LM), immunofluorescence (IF), electron microscopy (EM) results, and exclusion of known systemic disorders causing immunoglobulin M deposition in the glomeruli. The secondary disease has been reported with a few conditions though it has never been reported with any primary disease of the liver...
December 13, 2016: Curēus
https://www.readbyqxmd.com/read/28095801/providing-lipid-based-nutrient-supplement-during-pregnancy-does-not-reduce-the-risk-of-maternal-p-falciparum-parasitaemia-and-reproductive-tract-infections-a-randomised-controlled-trial
#20
Minyanga Nkhoma, Per Ashorn, Ulla Ashorn, Kathryn G Dewey, Austrida Gondwe, John Mbotwa, Stephen Rogerson, Steve M Taylor, Kenneth Maleta
BACKGROUND: Maternal infections are associated with maternal and foetal adverse outcomes. Nutrient supplementation during pregnancy may reduce the occurrence of infections by improving maternal immunity. We aimed to investigate the impact of small-quantity lipid-based nutrient supplement (SQ-LNS) on the occurrence of Plasmodium falciparum parasitaemia during pregnancy and trichomoniasis, vaginal candidiasis and urinary tract infection (UTI) after delivery. METHODS: Pregnant Malawian women enrolled in the iLiNS-DYAD trial receiving daily supplementation with SQ-LNS, multiple micronutrients (MMN) or iron & folic acid (IFA) from <20 gestation weeks (gw) were assessed for P...
January 17, 2017: BMC Pregnancy and Childbirth
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