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https://www.readbyqxmd.com/read/29241113/concentrating-molasses-distillery-wastewater-using-biomimetic-forward-osmosis-fo-membranes
#1
N Singh, I Petrinic, C Hélix-Nielsen, S Basu, M Balakrishnan
Treatment of sugarcane molasses distillery wastewater is challenging due to the presence of complex phenolic compounds (melanoidins and polyphenols) having antioxidant properties. Due to zero liquid discharge regulations, Indian distilleries continue to explore effective treatment options. This work examines the concentration of distillery wastewater by forward osmosis (FO) using aquaporin biomimetic membranes and magnesium chloride hexahydrate (MgCl2.6H2O) as draw solution. The operational parameters viz. feed solution and draw solution flow rate and draw solution concentration were optimized using 10% v/v melanoidins model feed solution...
December 8, 2017: Water Research
https://www.readbyqxmd.com/read/29241088/development-of-an-lc-ms-method-to-quantify-coproporphyrin-i-and-iii-as-endogenous-biomarkers-for-drug-transporter-mediated-drug-drug-interactions
#2
Emmanuel Njumbe Ediage, Lieve Dillen, Ann Vroman, Luc Diels, Annett Kunze, Jan Snoeys, Tom Verhaeghe
Coproporphyrins are proposed as endogenous biomarkers of hepatic Organic Anion Transporting Polypeptide (OATP)1B functional activity. In this study, a new sample extraction method based on a mixed-mode anion exchange sorbent (SPE clean-up using Oasis 30mg Max 96 well plates) was developed for absolute quantification of coproporphyrin I and III (CP-I and CP-III) in human plasma. Chromatographic separation was performed with an Ace Excel 2 C18 PFP, 3μm, 2.1×150mm, maintained at 60°C. A 10mM ammonium formate containing 0...
December 6, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29240643/temporally-distinct-regulation-of-pathways-contributing-to-cardiac-proteostasis-during-the-acute-and-recovery-phases-of-sepsis
#3
Kristen T Crowell, Samantha Moreno, Jennifer L Steiner, Catherine S Coleman, David I Soybel, Charles H Lang
BACKGROUND: Cardiac dysfunction is a common manifestation of sepsis and is associated with early increases in inflammation and decreases in myocardial protein synthesis. However, little is known regarding the molecular mechanisms regulating protein homeostasis during the recovery phase after the removal of the septic nidus. Therefore, the purpose of this study was to investigate diverse signal transduction pathways that regulate myocardial protein synthesis and degradation. METHODS: Adult male C57BL/6 mice were used to identify potential mechanisms mediating the acute (24 h) effect of cecal ligation and puncture (CLP) as well as long-term changes that manifest during the chronic (10 d) recovery phase...
December 13, 2017: Shock
https://www.readbyqxmd.com/read/29240631/in-vivo-5-day-animal-studies-of-a-compact-wearable-pumping-artificial-lung
#4
Shalv P Madhani, Brian J Frankowski, Sang-Ho Ye, Greg W Burgreen, William R Wagner, Robert Kormos, Jonathan D'Cunha, William J Federspiel
Recent studies show improved outcomes in ambulated lung failure patients. Ambulation still remains a challenge in these patients. This necessitates development of more compact and less cumbersome respiratory support specifically designed to be wearable. The Paracorporeal Ambulatory Assist Lung (PAAL) is being designed for providing ambulatory support in lung failure patients during bridge to transplant or recovery. We previously published in vitro and acute in vivo results of the PAAL. This study further evaluates the PAAL for 5 days...
December 11, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29240230/lc-ms-ms-profiling-of-polyphenol-enriched-leaf-stem-and-root-extracts-of-korean-humulus-japonicus-siebold-zucc-and-determination-of-their-antioxidant-effects
#5
Jin Young Choi, Kebede Taye Desta, Soo Jung Lee, Yun-Hi Kim, Sung Chul Shin, Gon-Sup Kim, Sung Joong Lee, Jae-Han Shim, Ahmet Hacımüftüo, A M Abd El-Aty
Polyphenols from ethyl acetate extracts from the leaves, stems, and roots of Korean Humulus japonicus were comprehensively profiled using liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS). A total of 36 polyphenols were detected, of which 26 were structurally characterized based on their [M-H]- peak, MS/MS fragmentation pattern, UV-Vis absorption, and published data. Validation data provided satisfactory results for the evaluated parameters. The determination coefficients (R2 ) exceeded or equal to 0...
December 14, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29239475/the-production-of-hydrolysates-from-industrially-defatted-rice-bran-and-its-surface-image-changes-during-extraction
#6
Geerada Kaewjumpol, Maria J Oruna-Concha, Keshavan Niranjan, Supawan Thawornchinsombut
BACKGROUND: This research employed mild-subcritical alkaline water extraction (SAW) technique to overcome the difficulty of active compounds extractability from an industrially defatted rice bran (IDRB). Mild-SAW (pH 9.5, 130 °C, 120 min) treatment, followed by enzymatic hydrolysis (Protease G6) were applied to produce rice bran hydrolysate (RBH). Response surface methodology was used to identify proteolysis conditions for maximizing protein content and ABTS radical scavenging activity (ABTS-RSA)...
December 14, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29239453/a-ph-and-salt-dually-responsive-emulsion-in-the-presence-of-amphiphilic-macromolecules
#7
Guangxin Hu, Hui Yang, Qingfeng Hou, Donghong Guo, Gang Chen, Fanghui Liu, Ting Chen, Xuefeng Shi, Yu Su, Jinben Wang
A pH and salt dually responsive emulsion has been designed on the basis of a novel amphiphilic macromolecule. It was found that the water separation of an oil-in-water emulsion reached up to ∼60% after standing for 10 min at low pH. 2-(Diethylamino)ethyl methacrylate (DEA) residues were found to induce the macromolecules to protonate and to be hydrophilic at pH values between 2 and 6, resulting in dewetting from oil droplet surfaces in water. Besides, the macromolecules form aggregates with different structures at the water/oil interface, depending on the pH value or salt concentration of the emulsion system, enabling the system to be demulsified in response to the pH or salt stimulus...
December 14, 2017: Soft Matter
https://www.readbyqxmd.com/read/29239328/leap-motion-based-virtual-reality-training-for-improving-motor-functional-recovery-of-upper-limbs-and-neural-reorganization-in-subacute-stroke-patients
#8
Zun-Rong Wang, Ping Wang, Liang Xing, Li-Ping Mei, Jun Zhao, Tong Zhang
Virtual reality is nowadays used to facilitate motor recovery in stroke patients. Most virtual reality studies have involved chronic stroke patients; however, brain plasticity remains good in acute and subacute patients. Most virtual reality systems are only applicable to the proximal upper limbs (arms) because of the limitations of their capture systems. Nevertheless, the functional recovery of an affected hand is most difficult in the case of hemiparesis rehabilitation after a stroke. The recently developed Leap Motion controller can track the fine movements of both hands and fingers...
November 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29239311/interferon-regulatory-factor-2-binding-protein-2-a-new-player-of-the-innate-immune-response-for-stroke-recovery
#9
REVIEW
Hsiao-Huei Chen, Alexandre F R Stewart
Ischemic brain injury triggers an inflammatory response. This response is necessary to clear damaged brain tissue but can also exacerbate brain injury. Microglia are the innate immune cells of the brain that execute this critical function. In healthy brain, microglia perform a housekeeping function, pruning unused synapses between neurons. However, microglia become activated to an inflammatory phenotype upon brain injury. Interferon regulatory factors modulate microglial activation and their production of inflammatory cytokines...
November 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29239267/a-retrospective-study-of-predictors-of-return-to-duty-vs-medical-retirement-in-an-active-duty-military-population-with-blast-related-mild-traumatic-brain-injury
#10
Philip A Cook, Thomas M Johnson, Suzanne G Martin, Philip R Gerhman, Seema Bhatnagar, James C Gee
Traumatic Brain Injury (TBI), has been described as the "signature injury" of the Global War on Terror. Explosive blast TBI has become a leading cause of injury as a result of the widespread use of improvised explosive devices in Iraq and Afghanistan. We present a retrospective cross-sectional study of patients with blast-related mild TBI (N=303) seen at the Intrepid Spirit Concussion Recovery Center at Naval Medical Center Camp Lejeune. The objective was to predict outcomes of return to duty (RTD) vs. medical retirement via medical evaluation board (MEB), based on brain imaging, neuropsychological data and history of mTBI...
December 14, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29238980/influence-of-paeoniflorin-and-menthol-on-puerarin-transport-across-mdck-and-mdck-mdr1-cells-as-blood-brain-barrier-in%C3%A2-vitro-model
#11
Bing Yang, Shouying Du, Yang Lu, Shan Jia, Mengdi Zhao, Jie Bai, Pengyue Li, Huichao Wu
OBJECTIVE: Our objective of this research was (1) to investigate the transport characteristics of puerarin through MDCK-MDR1 and MDCK cells and (2) to evaluate the effects of paeoniflorin and menthol on puerarin transport so as to (3) explore the enhancement mechanism. METHODS: The cytotoxicity of drugs on MDCK and MDCK-MDR1 was evaluated by the MTT assay, and the transport studies were performed in both directions. The membrane fluidity was evaluated by fluorescence recovery after photobleaching, and the membrane potential was estimated by the accumulation of DiBAC4(3) in the cells...
December 13, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/29238948/antioxidants-for-preventing-and-reducing-muscle-soreness-after-exercise
#12
REVIEW
Mayur K Ranchordas, David Rogerson, Hora Soltani, Joseph T Costello
BACKGROUND: Muscle soreness typically occurs after intense exercise, unaccustomed exercise or actions that involve eccentric contractions where the muscle lengthens while under tension. It peaks between 24 and 72 hours after the initial bout of exercise. Many people take antioxidant supplements or antioxidant-enriched foods before and after exercise in the belief that these will prevent or reduce muscle soreness after exercise. OBJECTIVES: To assess the effects (benefits and harms) of antioxidant supplements and antioxidant-enriched foods for preventing and reducing the severity and duration of delayed onset muscle soreness following exercise...
December 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29238658/non-pharmacological-and-non-surgical-strategies-to-promote-sexual-recovery-for-men-with-erectile-dysfunction
#13
REVIEW
Richard Wassersug, Erik Wibowo
Erectile dysfunction (ED), the most commonly reported sexual problem for men, reduces the quality of life for both patients and their partners. Even when physiologically effective, long-term adherence to ED treatments is poor. We review here the implication of having patients' partners involved in ED treatment, starting with treatment selection. We suggest that having partners engaged from the outset may promote an erotic association of the treatment with the partner, i.e., conceptually linking the aid to the sexual pleasure that the partner provides...
November 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/29238609/blunted-heart-rate-recovery-is-associated-with-coronary-artery-spasm-in-patients-with-suspected-vasospastic-angina
#14
Hyunsu Kim, Sang-Hoon Cho, Kyoung-Im Cho, Bong-Joon Kim, Sung-Il Im, Jung-Ho Heo
Background: Autonomic nervous system activity has been shown to be altered in patients with vasospastic angina (VA). Heart rate recovery (HRR) is a simple, non-invasive measurement of autonomic nervous system dysfunction. We aimed to investigate whether HRR is related to VA, as established by an ergonovine test. Methods: A total of 976 consecutive patients (47.5% male, mean age 55 years) without significant coronary artery disease who underwent both an ergonovine provocation test and a treadmill exercise test were enrolled...
2017: Clinical Hypertension
https://www.readbyqxmd.com/read/29238462/mechanisms-of-spinal-cord-injury-regeneration-in-zebrafish-a-systematic-review
#15
REVIEW
Zeynab Noorimotlagh, Mahla Babaie, Mahdi Safdarian, Tahereh Ghadiri, Vafa Rahimi-Movaghar
Objectives: To determine the molecular and cellular mechanisms of spinal cord regeneration in zebrafish. Materials and Methods: Medical databases of PubMed and Scopus were searched with following key words: Zebrafish; spinal cord injuries; regeneration; recovery of function. The map of mechanisms was performed using Xmind software. Results: Wnt/ß-catenin signaling, L1.1, L1.2, Major vault protein (MVP), contactin-2 and High mobility group box1 (HMGB1) had positive promoting effects on axonal re-growth while Ptena had an inhibitory effect...
December 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29238290/intermittent-fasting-protects-against-alzheimer-s-disease-possible-through-restoring-aquaporin-4-polarity
#16
Jingzhu Zhang, Zhipeng Zhan, Xinhui Li, Aiping Xing, Congmin Jiang, Yanqiu Chen, Wanying Shi, Li An
The impairment of amyloid-β (Aβ) clearance in the brain plays a causative role in Alzheimer's disease (AD). Polarity distribution of aquaporin-4 (AQP4) is important to remove Aβ from brain. AQP4 polarity can be influenced by the ratio of two AQP4 isoforms M1 and M23 (AQP4-M1/M23), however, it is unknown whether the ratio of AQP4-M1/M23 changes in AD. Histone deacetylase 3 has been reported to be significantly increased in AD brain. Moreover, evidence indicated that microRNA-130a (miR-130a) possibly mediates the regulation of histone deacetylase 3 on AQP4-M1/M23 ratio by repressing the transcriptional activity of AQP4-M1 in AD...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29238254/assessment-of-three-dimensional-trunk-kinematics-and-muscle-activation-during-cycling-with-independent-cranks
#17
Eric Bourdon, Matthew Mavor, Dean C Hay
Independent cranks (IC) are recently introduced bicycle cranks that are decoupled; therefore allowing each leg to pedal independent of the other. Despite this introduction, limited research has been conducted assessing biomechanical changes when cycling with IC. Therefore, the purpose of this study was to evaluate and compare trunk kinematics and surface electromyography (sEMG) during IC and normal crank (NC) cycling during a graded exercise test to volitional fatigue. Ten healthy, physically active men performed two tests (IC and NC) on a cycling ergometer on separate days...
December 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29238155/postoperative-pain-after-single-site-versus-multiport-hysterectomy
#18
Chris Kliethermes, Kelly Blazek, Kausar Ali, J Biba Nijjar, Stephanie Kliethermes, Xiaoming Guan
Background and Objectives: With advances in laparoscopic surgery, the goal of surgeons and patients is to minimize pain to allow for faster recovery and return to normal daily activities. One of these advances is single-site surgery. In this study, we compared postoperative pain in laparoendoscopic single-site surgery (LESS) to that in traditional multiple-incision hysterectomy. Methods: Seventy patients were selected for this prospective cohort study, with 35 undergoing multiple-incision and 35 undergoing LESS hysterectomy...
October 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/29237512/vancomycin-resistant-enterococci-vre-in-the-intensive-care-unit-in-a-nonoutbreak-setting-identification-of-potential-reservoirs-and-epidemiological-associations-between-patient-and-environmental-vre
#19
Hélène McDermott, Mairead Skally, James O'Rourke, Hilary Humphreys, Deirdre Fitzgerald-Hughes
OBJECTIVE Among nosocomial bloodstream infections caused by enterococcal species, Ireland has the highest proportion caused by vancomycin-resistant enterococci (VRE) in Europe at 45.8%. The contribution of the near-patient environment to VRE transmission outside of outbreaks was investigated. DESIGN A prospective observational study was conducted during 7 sampling periods. METHODS Recovery of VRE isolates by swabbing the near-patient environment and patients in the intensive care unit (ICU) was conducted to identify reservoirs, clinical and molecular epidemiological associations, and the success of active surveillance cultures (ASCs)...
December 14, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29237266/mno2-nanosheet-carbon-dots-sensing-platform-for-sensitive-detection-of-organophosphorus-pesticides
#20
Xu Yan, Yang Song, Chengzhou Zhu, Hongxia Li, Dan Du, Xingguang Su, Yuehe Lin
Carbon dots (CDs) combined with nanomaterial-based quencher has created an innovative way for designing promising sensors. Herein, a novel fluorescent sensing platform was designed for sensitive detection of organophosphorus pesticides (OPs). The preparation of CDs was based on one-step hydrothermal reaction of 3-aminobenzeneboronic acid. The fluorescence of CDs can be quenched by manganese dioxide (MnO2) nanosheets via the Förster resonance energy transfer (FRET). In the presence of butyrylcholinesterase (BChE) and acetylthiocholine, the enzymatic hydrolysate (thiocholine) can efficiently trigger the decomposition of MnO2 nanosheets, resulting in the recovery of CDs fluorescence...
December 14, 2017: Analytical Chemistry
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