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https://www.readbyqxmd.com/read/29141037/edna-for-detection-of-five-highly-invasive-molluscs-a-case-study-in-urban-rivers-from-the-iberian-peninsula
#1
Laura Clusa, Laura Miralles, Ana Basanta, Carmelo Escot, Eva García-Vázquez
Biological invasions are an important threat to biodiversity especially in aquatic ecosystems, and their frequency is generally higher near urban areas. Potentially invasive non-indigenous molluscs were deliberately introduced into European waters for food (Corbicula fluminea) and biocontrol (Melanoides tuberculata), and unintentionally introduced by ballast water (Mytilopsis leucophaeata, Corbicula fluminea), stock contamination (Sinanodonta woodiana), accidental escapes from aquaculture (Sinanodonta woodiana), aquarium trade releases (Melanoides tuberculata) and even attached to aquatic birds (Corbicula fluminea)...
2017: PloS One
https://www.readbyqxmd.com/read/29138489/a-dual-channel-endoscope-for-quantitative-imaging-monitoring-and-triggering-of-doxorubicin-release-from-liposomes-in-living-mice
#2
Jeremy Kress, Daniel J Rohrbach, Kevin A Carter, Dandan Luo, Chien Poon, Semra Aygun-Sunar, Shuai Shao, Shashikant Lele, Jonathan F Lovell, Ulas Sunar
Doxorubicin (Dox) is approved for use in liposomal form for the treatment of ovarian cancer. We previously developed a long-circulating Dox formulation in liposomes containing small amounts of porphyrin-phospholipid, which enables on-demand drug release with near-infrared irradiation. In this study, we present and evaluate a dual-modal, dual-channel light endoscope that allows quantitative reflectance and fluorescence imaging for monitoring of local Dox concentrations in target areas. The endoscope consists of two flexible imaging fibers; one to transmit diagnostic and therapeutic light to the target, and the other to detect fluorescent and reflected light...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29136849/simultaneous-determination-of-three-estrogens-in-human-saliva-without-derivatization-or-liquid-liquid-extraction-for-routine-testing-via-miniaturized-solid-phase-extraction-with-lc-ms-ms-detection
#3
Xiaoguang Sunny Li, Shu Li, Gottfried Kellermann
Accurate quantitation of estrogens (i.e, estrone (E1), estradiol (E2) and estriol (E3)) is valuable for clinical assessment of human health and disease. Alterations in estrogen levels have been implicated in numerous pathological conditions. However, inadequacies in sensitivity and specificity, cumbersome sample preparation and invasive specimen collection hamper the usability of available methods for clinical applications. Herein, a simple, rapid, highly sensitive and specific LC-MS/MS method was developed and validated for the simultaneous determination of three estrogens in human saliva providing a non-invasive alternative to conventional blood samples...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29136327/long-term-follow-up-after-implantation-of-a-telemetric-intraocular-pressure-sensor-in-patients-with-glaucoma-a-safety-report
#4
Antonis Koutsonas, Peter Walter, Gernot Roessler, Niklas Plange
IMPORTANCE: To investigate the long-term safety of a novel intraocular telemetric pressure sensor. BACKGROUND: Acquisition of accurate intraocular pressure (IOP) data is vital for sufficient medical care of glaucoma patients. Non-invasive self-tonometry with a telemetric IOP sensor can provide important information regarding the individual IOP profile. DESIGN: Retrospective analysis of long-term follow-up data assessed during outpatient visits in a university hospital...
November 14, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/29133564/fungal-prophylaxis-with-a-gastro-resistant-posaconazole-tablet-for-patients-with-hematological-malignancies-final-result-of-the-posanantes-study
#5
Pierre Peterlin, Cécile Chauvin, Steven Le Gouill, Morgane Pere, Marie Dalichampt, Thierry Guillaume, Alice Garnier, Maxime Paré, Amandine Le Bourgeois, Philippe Moreau, Patrice Chevallier, Guillaume Deslandes, Thomas Gastinne
Posaconazole is an antifungal drug used in both prophylaxis and treatment of invasive fungal infections. Its oral formulation requires therapeutic drug monitoring. To overcome gastric acidity, a gastro-resistant posaconazole tablet has recently been developed. POSANANTES was a prospective non interventional study that aimed to monitor plasma concentration trough level (Cmin) of posaconazole tablets used prophylactically in patients with hematological malignancies. Fifty patients were included. Group A (n= 31) included patients receiving induction chemotherapy for myeloid malignancies and group B (n=19) included patients treated for graft versus host disease after allogeneic hematopoietic stem cells transplantation...
November 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29132396/circulating-cell-free-dna-and-circulating-tumor-cells-the-liquid-biopsies-in-ovarian-cancer
#6
REVIEW
Xianliang Cheng, Lei Zhang, Yajuan Chen, Chen Qing
Limited understanding of ovarian cancer (OC) genome portrait has hindered the therapeutic advances. The serial monitoring of tumor genotypes is becoming increasingly attainable with circulating cell-free DNA (cf-DNA) and circulating tumor cells (CTCs) emerging as "liquid biopsies". They represent non-invasive biomarkers and are viable, as they can be isolated from human plasma, serum and other body fluids. Molecular characterization of circulating tumor DNA (ct-DNA) and CTCs offer unique potentials to better understand the biology of metastasis and resistance to therapies...
November 13, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/29132047/in-situ-label-free-monitoring-of-human-adipose-derived-mesenchymal-stem-cell-differentiation-into-multiple-lineages
#7
Intan Rosalina Suhito, Yoojoong Han, Junhong Min, Hyungbin Son, Tae-Hyung Kim
Precise characterizations of stem cell differentiation into specific lineages, especially in non-destructive and non-invasive manner, are extremely important for generating patient-specific cells without mass loss of differentiated cells. Here, we report a new method capable of in situ label-free quantification of stem cell differentiation into multiple lineages, even at a single cell level. The human adipose-derived mesenchymal stem cells (hADMSCs) were first differentiated into two different types of cells (osteoblasts and adipocytes) and these differentiated cells were then intensively analyzed by micro-Raman spectroscopy...
November 5, 2017: Biomaterials
https://www.readbyqxmd.com/read/29129867/a-non-invasive-monitoring-of-propofol-concentration-in-blood-by-a-virtual-surface-acoustic-wave-sensor-array
#8
Fengjiang Zhang, Hao Dong, Xuanlang Zhang, Jin Guo, Yunqing Liu, Cheng Zhou, Xi Zhang, Jun Liu, Min Yan, Xing Chen
Propofol (2,6-diisopropylphenol) is widely used in total intravenous anesthesia. An unknown drug concentration in blood always leads to some side effects in patients with propofol injection. However, the drug concentration in the blood is hard to be continuously measured since invasive sampling causes a loss of blood at each measurement. Here, we introduced a virtual surface acoustic wave sensor array (VSAWSA) to non-invasively detect the propofol concentration in blood through exhaled gases. Calibration was conducted by a parallel test using gas chromatography and mass spectrometry (GC-MS) with solid-phase micro-extraction (SPME) for preconcentration...
2017: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/29129161/navigation-through-inter-and-intratumoral-heterogeneity-of-endocrine-resistance-mechanisms-in-breast-cancer-a-potential-role-for-liquid-biopsies
#9
Florian Reinhardt, André Franken, Tanja Fehm, Hans Neubauer
The majority of breast cancers are hormone receptor positive due to the expression of the estrogen and/or progesterone receptors. Endocrine therapy is a major treatment option for all disease stages of hormone receptor-positive breast cancer and improves overall survival. However, endocrine therapy is limited by de novo and acquired resistance. Several factors have been proposed for endocrine therapy failures, which include molecular alterations in the estrogen receptor pathway, altered expression of cell-cycle regulators, autophagy, and epithelial-to-mesenchymal transition as a consequence of tumor progression and selection pressure...
November 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29127739/renal-haemodynamics-and-oxygenation-during-and-after-cardiac-surgery-and-cardiopulmonary-bypass
#10
REVIEW
Roger G Evans, Yugeesh R Lankadeva, Andrew D Cochrane, Bruno Marino, Naoya Iguchi, Michael Z L Zhu, Sally G Hood, Julian A Smith, Rinaldo Bellomo, Bruce S Gardiner, Chang-Joon Lee, David W Smith, Clive N May
Acute kidney injury (AKI) is a common complication following cardiac surgery performed on cardiopulmonary bypass (CPB) and has important implications for prognosis. The aetiology of cardiac surgery-associated AKI is complex, but renal hypoxia, particularly in the medulla, is thought to play at least some role. There is strong evidence from studies in experimental animals, clinical observations and computational models, that medullary ischaemia and hypoxia occurs during CPB. There are no validated methods to monitor or improve renal oxygenation during CPB, and thus possibly decrease the risk of AKI...
November 11, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/29127555/continuous-monitoring-of-blood-pressure-by-analyzing-the-blood-flow-sound-of-arteriovenous-fistula-in-hemodialysis-patients
#11
Yuka Kamijo, Eiichiro Kanda, Hayato Horiuchi, Noriyuki Kounoue, Keisuke Ono, Keizo Maeda, Akane Yanai, Kazuya Honda, Ryuji Tsujimoto, Mai Yanagi, Yoshitaka Ishibashi, Masayuki Yoshida
BACKGROUND: Patients with end-stage renal disease undergoing hemodialysis (HD) have an elevated risk of cardiovascular disease-related morbidity and mortality. To prevent from such a life-threatening event, the continuous blood pressure (BP) monitoring system may contribute to detect BP decline in early stages and may help to do appropriate disposal. Our research team has introduced an electronic stethoscope (Asahi Kasei Co, Ltd., Tokyo, Japan), which translates sound intensity of Arteriovenous Fistula (AVF) to BP data using the technique of Fourier transformation that can predict continuous BP non-invasively...
November 10, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/29126766/raman-spectroscopic-analysis-of-oral-cells-in-the-high-wavenumber-region
#12
Luis Felipe C S Carvalho, Franck Bonnier, Cláudio Tellez, Laurita Dos Santos, Kate O'Callaghan, Jeff O'Sullivan, Luis Eduardo S Soares, Stephen Flint, Airton A Martin, Fiona M Lyng, Hugh J Byrne
Raman spectroscopy can provide a molecular-level signature of the biochemical composition and structure of cells with submicrometer spatial resolution and could be useful to monitor changes in composition for early stage and non-invasive cancer diagnosis, both ex-vivo and in vivo. In particular, the fingerprint spectral region (400-1800cm(-1)) has been shown to be very promising for optical biopsy purposes. However, limitations for discrimination of dysplastic and inflammatory processes based on the fingerprint region have been demonstrated...
November 7, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29126451/acceleration-sensors-in-abdominal-wall-position-as-a-non-invasive-approach-to-detect-early-breathing-alterations-induced-by-intolerance-of-increased-airway-resistance
#13
Thomas Breuer, Christian S Bruells, Rolf Rossaint, Henning Steffen, Catherine Disselhorst-Klug, Michael Czaplik, Norbert Zoremba
BACKGROUND: Early detection of respiratory overload is crucial to mechanically ventilated patients, especially during phases of spontaneous breathing. Although a diversity of methods and indices has been established, there is no highly specific approach to predict respiratory failure. This study aimed to evaluate acceleration sensors in abdominal and thoracic wall positions to detect alterations in breathing excursions in a setting of gradual increasing airway resistance. METHODS: Twenty-nine healthy volunteers were committed to a standardized protocol of a two-minutes step-down spontaneous breathing on a 5 mm, 4 mm and then 3 mm orally placed endotracheal tube...
November 10, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29126047/clinico-sonographical-evaluation-of-idiopathic-clubfoot-and-its-correction-by-ponseti-method-a-prospective-study
#14
Sumit Chawla, Mallika Gupta, Varun Pandey, Abhishek Jain, Manoj Kumar
BACKGROUND: Objective evaluation of infant with clubfoot is required as conventional imaging modality is of limited usefulness. Ultrasound shows to be a promising technique for assessing deformity and monitoring of clubfoot correction. AIM: Study was done to evaluate the deformity sonographically; to assess the changes in these parameters after treatment by Ponseti method and to correlate these ultrasonographic variables with clinical Pirani score. MATERIALS AND METHODS: 82 feet in 54 children were observed...
September 29, 2017: Foot
https://www.readbyqxmd.com/read/29125528/a-non-invasive-glucose-level-estimation-in-a-multi-sensing-health-care-monitoring-system
#15
Antonio Alarcón-Paredes, Zaic Rebolledo-Nandi, Iris Paola Guzmán-Guzmán, Cornelio Yáñez-Márquez, Gustavo Adolfo Alonso
BACKGROUND AND OBJECTIVE: The treatment and care of patients with chronic diseases depends directly on the evolution of biomedical parameters. It is important to have a monitoring health care system that provides biomedical data at any time and place. Here, a multi-sensing health care monitoring system with a built-in non-invasive blood glucose level estimation method is presented. METHODS: Six biomedical parameters were obtained from 15 participants. Glucose levels were obtained using a computer vision approach...
November 3, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29125485/cognitive-variability-predicts-incident-alzheimer-s-disease-and-mild-cognitive-impairment-comparable-to-a-cerebrospinal-fluid-biomarker
#16
Carey E Gleason, Derek Norton, Eric D Anderson, Michelle Wahoske, Danielle T Washington, Emre Umucu, Rebecca L Koscik, N Maritza Dowling, Sterling C Johnson, Cynthia M Carlsson, Sanjay Asthana
BACKGROUND: Alzheimer's disease (AD) biomarkers are emerging as critically important for disease detection and monitoring. Most biomarkers are obtained through invasive, resource-intense procedures. A cognitive marker, intra-individual cognitive variability (IICV) may provide an alternative or adjunct marker of disease risk for individuals unable or disinclined to undergo lumbar puncture. OBJECTIVE: To contrast risk of incident AD and mild cognitive impairment (MCI) associated with IICV to risk associated with well-established biomarkers: cerebrospinal fluid (CSF) phosphorylated tau protein (p-tau181) and amyloid-β 42 (Aβ42) peptide...
November 8, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29124539/stably-fluorescent-cell-line-of-human-ovarian-epithelial-cancer-cells-sk-ov-3ip-red
#17
E V Konovalova, A A Shulga, S P Chumakov, Yu M Khodarovich, Eui-Jeon Woo, S M Deev
Stable red fluorescing line of human ovarian epithelial cancer cells SK-OV-3ip-red was generated expressing gene coding for protein TurboFP635 (Katushka) fluorescing in the far-red spectrum region with excitation and emission peaks at 588 and 635 nm, respectively. Fluorescence of SK-OV-3ip-red line remained high during long-term cell culturing and after cryogenic freezing. The obtained cell line SK-OV-3ip-red can serve a basis for a model of a scattered tumor with numerous/extended metastases and used both for testing anticancer drugs inhibiting metastasis growth and for non-invasive monitoring of the growth dynamics with high precision...
November 10, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29123430/the-use-of-invos%C3%A2-somatic-oximetry-to-measure-variations-in-placental-tissue-oxygenation-in-laboring-healthy-term-parturients-with-epidural-analgesia-an-observational-study
#18
Christian Loubert, Mélissa Ouellette, Valérie Zaphiratos, Issam Tanoubi
Purpose: Near-infrared spectroscopy provides a non-invasive continuous real-time monitoring of tissue oxygen saturation. As uterine contractions during labor may be associated with a transient uteroplacental hypoperfusion, this prospective, observational study investigates the ability of near-infrared spectroscopy to detect variation in uteroplacental oximetry during uterine contractions. Patients and methods: Four Invos™ oximetry probes (Medtronic(®), Minneapolis, MN, USA) per subjects were applied on the placental surface (PLA), the abdomen (MYO), the forearm (ARM) and the leg (LEG), of twenty healthy laboring parturients with epidural analgesia...
2017: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/29123186/the-biomechanical-coordination-during-oropharyngeal-swallowing-an-evaluation-with-a-non-invasive-sensing-system
#19
Qiang Li, Yoshitomo Minagi, Takahiro Ono, Yongjin Chen, Kazuhiro Hori, Shigehiro Fujiwara, Yoshinobu Maeda
Swallowing is a very important and complex physiological behaviour. The dynamic of swallowing has created great interest as any procedural abnormality will result in dysphagia and even lower quality of life. However, a non-invasive evaluation of biomechanical coordination during oropharyngeal swallowing, which includes the activities of the tongue, the hyoid and swallowing-related muscles, has not yet been achieved. In the present study, we recruited fifteen subjects, and a non-invasive sensing system composed of a pressure sensor, a bend sensor, surface electrodes and a microphone was created to simultaneously monitor tongue pressure, hyoid motion, and surface EMG of swallowing-related muscles, as well as take sound recordings, when the subjects swallowed 5 ml of water...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29121915/clinical-monitoring-of-cardiac-output-assessed-by-transoesophageal-echocardiography-in-anaesthetised-dogs-a-comparison-with-the-thermodilution-technique
#20
Matheus M Mantovani, Denise T Fantoni, André M Gimenes, Jacqueline R de Castro, Patrícia B Flor, Keila K Ida, Denise S Schwartz
BACKGROUND: Cardiac output (CO) is an important haemodynamic parameter to monitor in patients during surgery. However, the majority of the techniques for measuring CO have a limited application in veterinary practice due to their invasive approach and associated complexity and risks. Transoesophageal echocardiography (TEE) is a technique used to monitor cardiac function in human patients during surgical procedures and allows CO to be measured non-invasively. This prospective clinical study aimed to compare the transoesophageal echocardiography using a transgastric view of the left ventricular outflow tract (LVOT) and the thermodilution (TD) technique for the assessment of CO during mean arterial pressure of 65-80 mmHg (normotension) and <65 mmHg (hypotension) in dogs undergoing elective surgery...
November 9, 2017: BMC Veterinary Research
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