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https://www.readbyqxmd.com/read/28920769/modacrylic-anion-exchange-fibers-for-cr-vi-removal-from-chromium-plating-rinse-water-in-batch-and-flow-through-column-experiments
#1
Seung-Chan Lee, Jin-Kyu Kang, Eun-Hye Sim, Nag-Choul Choi, Song-Bae Kim
The aim of this study was to investigate Cr(VI) removal from chromium-plating rinse water using modacrylic anion-exchange fibers (KaracaronTM KC31). Batch experiments were performed with synthetic Cr(VI) solutions to characterize the KC31 fibers in Cr(VI) removal. Cr(VI) removal by the fibers was affected by solution pH; the Cr(VI) removal capacity was the highest at pH 2 and decreased gradually with a pH increase from 2 to 12. In regeneration and reuse experiments, the Cr(VI) removal capacity remained above 37...
September 18, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/28917955/lidocaine-gel-for-urethral-catheterization-in-children-a-meta-analysis
#2
Michael E Chua, Paul Nimrod B Firaza, Jessica M Ming, Jan Michael A Silangcruz, Luis H Braga, Armando J Lorenzo
OBJECTIVE: To compare the efficacy and safety of lidocaine gel vs nonanesthetic gel (NAG) in reducing transurethral bladder catheterization (TUBC) procedural pain in children. STUDY DESIGN: A systematic literature search was done using electronic medical databases and trial registries up to September 2016 with no language restrictions. Randomized controlled trials (RCTs) that assessed the efficacy and safety of lidocaine gel vs NAG in reducing TUBC-associated pain in children were screened, identified, and appraised...
September 13, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28906065/colloidal-synthesis-and-photophysics-of-m3sb2i9-m-cs-and-rb-nanocrystals-lead-free-perovskites
#3
Jaya Pal, Suman Manna, Anirban Mondal, Shyamashis Das, K V Adarsh, Angshuman Nag
Here we report the colloidal synthesis of Cs3Sb2I9 and Rb3Sb2I9 perovskite nanocrystals, and explore their prospect for optoelectronic applications. Different morphologies such as nanoplatelets and nanorods of Cs3Sb2I9, and spherical Rb3Sb2I9 nanocrystals were prepared. All these samples show band-edge emissions in the yellow-red region. Exciton many-body interactions studied by femtosecond transient absorption spectroscopy of Cs3Sb2I9 nanorods reveals characteristic second-derivative-type spectral features, suggesting red-shifted excitons by as much as 79 meV...
September 14, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28904297/sex-differences-in-the-excretion-levels-of-traditional-and-novel-urinary-biomarkers-of-nephrotoxicity-in-rats
#4
Satoshi Tsuji, Masayuki Sugiura, Shunsuke Tsutsumi, Hisaharu Yamada
Urinary biomarkers have been used widely in preclinical toxicity studies to detect dysfunctions and injuries of the kidney caused by drugs under development. While they have been well studied for evaluating nephrotoxicity, knowledge of sex differences in excretion levels of urinary biomarkers remains inadequate. We conducted experiments focused on effects of endogenous sex hormones on urinary biomarkers using intact and castrated male and female rats. Comparisons of the urinary biomarker excretion levels between intact male and female rats at 5, 7, 9 and 12 weeks of age revealed higher excretion levels of leucine aminopeptidase (LAP), γ-glutamyl transpeptidase (γGTP), total protein, liver-type fatty acid-binding protein (L-FABP), cystatin C (Cys-C) and β2-microglobulin (β2-MG), and lower excretion level of kidney injury molecule 1 (Kim-1), in male rats as compared to female rats...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28902176/pharmacokinetic-and-toxicodynamic-characterization-of-a-novel-doxorubicin-derivative
#5
Samaa Alrushaid, Casey L Sayre, Jaime A Yáñez, M Laird Forrest, Sanjeewa N Senadheera, Frank J Burczynski, Raimar Löbenberg, Neal M Davies
Doxorubicin (Dox) is an effective anti-cancer medication with poor oral bioavailability and systemic toxicities. DoxQ was developed by conjugating Dox to the lymphatically absorbed antioxidant quercetin to improve Dox's bioavailability and tolerability. The purpose of this study was to characterize the pharmacokinetics and safety of Dox after intravenous (IV) and oral (PO) administration of DoxQ or Dox (10 mg/kg) and investigate the intestinal lymphatic delivery of Dox after PO DoxQ administration in male Sprague-Dawley rats...
September 13, 2017: Pharmaceutics
https://www.readbyqxmd.com/read/28901194/acute-renal-graft-versus-host-disease-in-a-murine-model-of-allogeneic-bone-marrow-transplantation
#6
Peter M Schmid, Abdellatif Bouazzaoui, Karin Schmid, Christoph Birner, Christian Schach, Lars S Maier, Ernst Holler, Dierk H Endemann
Acute kidney injury (AKI) is a very common complication after allogeneic bone marrow transplantation (BMT) and is associated with a poor prognosis. Generally, the kidneys are assumed to not be no direct targets of graft-versus-host disease (GvHD), and renal impairment is often attributed to several other factors occurring in the early phase after BMT. Our study aimed to prove the existence of renal GvHD in a fully major histocompatibility complex (MHC)-mismatched model of BALB/c mice conditioned and transplanted according to 2 different intensity protocols...
August 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28899498/galangin-ameliorates-cisplatin-induced-nephrotoxicity-in-vivo-by-modulation-of-oxidative-stress-apoptosis-and-inflammation-through-interplay-of-mapk-signaling-cascade
#7
Ameesha Tomar, Swati Vasisth, Sana Irfan Khan, Salma Malik, Tapas Chandra Nag, Dharamveer Singh Arya, Jagriti Bhatia
BACKGROUND AND PURPOSE: Cisplatin is a widely used chemotherapeutic agent but now-a-days its usage is limited in clinical chemotherapy because of its severe nephrotoxic effect on renal tissues. Galangin, a flavonoid obtained from ginger family has been demonstrated to have antioxidant, anti-apoptotic and anti-inflammatory properties. This study is aimed to investigate the possible ameliorative effect of galangin in a rodent model of cisplatin-induced nephrotoxicity. MATERIAL AND METHODS: Adult male albino wistar rats were divided into six groups (n=6) viz normal, cisplatin-control, galangin (25, 50 and 100mg/kg p...
October 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28898114/diagnostic-challenges-of-kidney-diseases-in-hiv-infected-patients
#8
Robin Chazot, Elisabeth Botelho-Nevers, Anne Frésard, Nicolas Maillard, Christophe Mariat, Frédéric Lucht, Amandine Gagneux-Brunon
Chronic kidney disease (CKD) is a prevalent comorbidity in persons living with HIV infection (PLWH) associated with an increase in cardiovascular morbidity and all-cause mortality. Furthermore, early diagnosis of CKD is difficult in PLWH. Areas covered: We reviewed the main diagnostic tools for CKD in PLWH, and discussed their strengths and limits. We performed a literature search on Pubmed to identify reviews and clinical trials dealing with attractive kidney biomarkers of CKD in PLWH, with the following key words: "HIV AND kidney", "HIV AND Kidney biomarkers", "CKD AND Kidney biomarkers"...
September 12, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/28898061/post-synthetic-modification-of-bacterial-peptidoglycan-using-bioorthogonal-n-acetylcysteamine-analogs-and-peptidoglycan-o-acetyltransferase-b
#9
Yiben Wang, Klare M Lazor, Kristen Elizabeth DeMeester, Hai Liang, Tyler K Heiss, Catherine Leimkuhler Grimes
Bacteria have the natural ability to install protective post-synthetic modifications onto its bacterial peptidoglycan (PG), the coat woven into bacterial cell wall. Peptidoglycan O-acetyltransferase B (PatB) catalyzes the O-acetylation of PG in Gram (-) bacteria, which aids in bacterial survival, as it prevents autolysins such as lysozyme from cleaving the PG. We explored the mechanistic details of PatB's acetylation function and determined that PatB has substrate specificity for bioorthgonal short N-acetyl cysteamine (SNAc) donors...
September 12, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28890237/molecular-structure-supramolecular-organization-and-thermotropic-phase-behavior-of-n-acylglycine-alkyl-esters-with-matched-acyl-and-alkyl-chains
#10
S Thirupathi Reddy, Musti J Swamy
N-Acylglycines (NAGs), the endogenous single-tailed lipids present in rat brain and other mammalian tissues, play significant roles in cell physiology and exhibit interesting pharmacological properties. In the present study, a homologous series of N-acylglycine alkyl esters (NAGEs) with matched chains were synthesized and characterized. Results of differential scanning calorimetric studies revealed that all NAGEs exhibit a single sharp phase transition and that the transition enthalpy and entropy show a linear dependence on the N-acyl and ester alkyl chain length...
September 7, 2017: Chemistry and Physics of Lipids
https://www.readbyqxmd.com/read/28888854/quantitation-of-phenylbutyrate-metabolites-by-uplc-ms-ms-demonstrates-inverse-correlation-of-phenylacetate-phenylacetylglutamine-ratio-with-plasma-glutamine-levels
#11
Yi Jiang, Mohammed Almannai, V Reid Sutton, Qin Sun, Sarah H Elsea
Urea cycle disorders (UCDs) are genetic conditions characterized by nitrogen accumulation in the form of ammonia and caused by defects in the enzymes required to convert ammonia to urea for excretion. UCDs include a spectrum of enzyme deficiencies, namely n-acetylglutamate synthase deficiency (NAGS), carbamoyl phosphate synthetase I deficiency (CPS1), ornithine transcarbamylase deficiency (OTC), argininosuccinate lyase deficiency (ASL), citrullinemia type I (ASS1), and argininemia (ARG). Currently, sodium phenylbutyrate and glycerol phenylbutyrate are primary medications used to treat patients with UCDs, and long-term monitoring of these compounds is critical for preventing drug toxic levels...
August 31, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28881573/histopathological-findings-of-renal-tissue-induced-by-oxidative-stress-due-to-different-concentrations-of-fluoride
#12
Qin Luo, Hengmin Cui, Huidan Deng, Ping Kuang, Huan Liu, Yujiao Lu, Jing Fang, Zhicai Zuo, Junliang Deng, Yinglun Li, Xun Wang, Ling Zhao
It has been reported that excessive intake of fluoride can induce renal lesions. However, its pathogenesis is still less understood. Therefore, this study was conducted to investigate oxidative damage and the relationships between the oxidative damage and renal lesions in fluoride-treated mice by using the methods of histopathology, biochemistry, flow cytometry and quantitative real-time polymerase chain reaction (qRT-PCR). A total of 240 ICR mice were randomly divided into four equal groups (sodium fluoride was given orally at the dose of 0, 12, 24 and 48 mg/kg body weight for 42 days, respectively)...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28875008/renal-hemosiderosis-among-iranian-transfusion-dependent-%C3%AE-thalassemia-major-patients
#13
Mozhgan Hashemieh, Mitra Radfar, Azita Azarkeivan, Seyed Mohammad Taghi Hosseini Tabatabaei, Sedigheh Nikbakht, Mehdi Yaseri, Kourosh Sheibani
Background: In recent years, the success in management of thalassemic patients, has allowed for some previously unrecognized complications including renal abnormalities to emerge. This prospective study aimed to investigate kidney iron overload by means of MRI T2* and also renal function based on laboratory tests for early markers of glomerular and tubular dysfunction among adult Iranian transfusion-dependent thalassemia major patients. Subjects and Methods: Two-hundred and two patients with transfusion-dependent β-thalassemia major were included in this study in Zafar Adult Thalassemia Center, Tehran, Iran...
April 1, 2017: International Journal of Hematology-oncology and Stem Cell Research
https://www.readbyqxmd.com/read/28874692/silver-nanoparticle-loaded-collagen-chitosan-scaffolds-promote-wound-healing-via-regulating-fibroblast-migration-and-macrophage-activation
#14
Chuangang You, Qiong Li, Xingang Wang, Pan Wu, Jon Kee Ho, Ronghua Jin, Liping Zhang, Huawei Shao, Chunmao Han
Treatment of full-thickness skin defects poses significant clinical challenges including risk of infection and severe scaring. Silver nanoparticle (NAg), an effective antimicrobial agent, has provided a promising therapeutic method for burn wounds. However, the detailed mechanism remains unknown. Hence, we constructed a metallic nanosilver particles-collagen/chitosan hybrid scaffold (NAg-CCS) and investigated its potential effects on wound healing. In vitro scratch assay, immunofluorescence staining and antibacterial activity of the scaffold were all studied...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28872095/laparoscopic-excision-of-the-choledochal-cyst-in-adult-patients-an-experience
#15
Hirdaya Hulas Nag, Kshitij Sisodia, Pushap Sheetal, Hari Govind, Som Chandra
BACKGROUND: Laparoscopic choledochal cyst excision (LCCE) in adult patients is not common. AIMS: The aim is to report our experience of LCCE in adult patients. PATIENTS AND METHODS: This study includes a retrospective review of twenty adult patients (age >18 years) with choledochal cyst (CC) who underwent LCCE by a single surgical team from February 2011 to April 2016. RESULTS: The mean age was 45.5 years. Nineteen (95%) patients had Type-I CC, and one patient (5%) had Type-IV CC (Todani's classification)...
October 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28870959/differences-in-urinary-renal-failure-biomarkers-in-cancer-patients-initially-treated-with-cisplatin
#16
Akimitsu Maeda, Hitoshi Ando, Takashi Ura, Kei Muro, Masahiro Aoki, Ken Saito, Eisaku Kondo, Shinji Takahashi, Yuko Ito, Yasunari Mizuno, Akio Fujimura
BACKGROUND/AIM: We investigated whether measuring the excretion of each acute kidney injury (AKI) biomarker after cisplatin (CDDP) administration is useful for predicting AKI and evaluated the most appropriate AKI marker in patients treated with CDDP. PATIENTS AND METHODS: We measured NAG, Kim-1, and NGAL in urinary samples of 40 cancer patients treated with chemotherapy on day 1 (before chemotherapy), day 2, and day 5 after treatment; serum creatinine (sCr) was compared on days 7 and 28 after CDDP administration vs...
September 2017: Anticancer Research
https://www.readbyqxmd.com/read/28869188/risk-assessment-of-environmental-exposure-to-heavy-metals-in-mothers-and-their-respective-infants
#17
Iman Al-Saleh, Reem Al-Rouqi, Rola Elkhatib, Mai Abduljabbar, Tahreer Al-Rajudi
Exposure to heavy metals can cause renal injury, which has been well documented in occupational exposure. Studies of low exposure in the general population, however, are still scarce, particularly for vulnerable populations such as mothers and young children. This study evaluated exposure to heavy metals, and biomarkers of renal function and oxidative stress in 944 lactating mothers and their infants and investigated the role of the interaction between heavy metals and oxidative stress in altering renal function...
August 4, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28869110/anandamide-exerts-a-suppressive-effect-on-sperm-binding-to-oviduct-explants-through-cb1-receptors-in-the-water-buffalo-bubalus-bubalis
#18
Vimlesh Kumar, Arumugam Kumaresan, Puneeth Kumar D S, Sreela Lathika, Samiksha Nayak, Kaustubh Kishor Saraf, Pradeep Nag B S, Shivani Chhillar, Tirtha Kumar Datta, Tushar Kumar Mohanty
An endocannabinoid system comprising of Anandamide (AEA) and its receptor has been shown to play a role in sperm acquisition of fertilizing potential and sperm-oviduct interaction. In the present study, we assessed the effect of sperm pre-treatment with AEA or co-incubation of sperm-oviduct explants with AEA in the presence or absence of CB1 receptor antagonist (SR141716A) on sperm-oviduct binding in the water buffalo. Cryopreserved spermatozoa from 3 Murrah buffalo bulls (3 ejaculates from each bull) were utilized for the study...
October 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28868303/adjuvants-to-local-anesthetics-current-understanding-and-future-trends
#19
EDITORIAL
Amlan Swain, Deb Sanjay Nag, Seelora Sahu, Devi Prasad Samaddar
Although beneficial in acute and chronic pain management, the use of local anaesthetics is limited by its duration of action and the dose dependent adverse effects on the cardiac and central nervous system. Adjuvants or additives are often used with local anaesthetics for its synergistic effect by prolonging the duration of sensory-motor block and limiting the cumulative dose requirement of local anaesthetics. The armamentarium of local anesthetic adjuvants have evolved over time from classical opioids to a wide array of drugs spanning several groups and varying mechanisms of action...
August 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28867717/effects-of-tripterygium-wilfordii-hook-f-induction-therapy-to-iga-nephropathy-patients-with-heavy-proteinuria
#20
Zhen Wang, Chao Yu, Li-Na Zhou, Xin Chen
Although some new drugs have been developed, Tripterygium wilfordii Hook F.(TWHF)has the merits of relatively lower price and fewer side effects. Unfortunately, the efficacy and safety of the TWHF (especially dosage 120mg/day) in the IgA nephropathy(IgAN) are still lacking. A cohort study including 49 IgAN patients with heavy proteinuria who received induction therapy was undertaken. Patients were divided into three groups: Prednisone (PRE), conventional-dose TWHF (CTW) and double-dose TWHF (DTW). The clinical features, laboratory data, histological manifestations and outcomes of the groups were compared...
September 1, 2017: Biological & Pharmaceutical Bulletin
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