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https://www.readbyqxmd.com/read/28917809/characterization-of-sodium-tripolyphosphate-and-sodium-citrate-dehydrate-residues-on-surfaces
#1
M Sadi Gurses, Can Erkey, Seda Kizilel, Alper Uzun
Sodium tripolyphosphate (STPP) and sodium citrate dihydrate (sodium citrate) are the most widely used components in detergent formulations. Here, we characterized these two components on glass surfaces to assess their possible exposures from white spots on dishwasher-washed dishes. Ultraviolet/visible near infrared spectroscopy (UV/Vis-NIR), Fourier transform infrared spectroscopy (FTIR) in the attenuated total reflectance mode (ATR-FTIR), Raman spectroscopy and laser ablation-inductively coupled plasma mass spectroscopy (LA-ICP-MS) were utilized to design calibration models for a range of STPP and sodium citrate concentrations 1-8% w/w) precipitated on glass surfaces...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28917718/olfactory-toxicity-in-rats-following-manganese-chloride-nasal-instillation-a-pilot-study
#2
Melanie L Foster, Deepa B Rao, Taylor Francher, Samantha Traver, David C Dorman
Following inhalation, manganese travels along the olfactory nerve from the olfactory epithelium (OE) to the olfactory bulb (OB). Occupational exposure to inhaled manganese is associated with changes in olfactory function. This pilot study evaluated two related hypotheses: (a) intranasal manganese administration increases OE and OB manganese concentrations; and (b) intranasal manganese exposure impairs performance of previously trained rats on a go-no-go olfactory discrimination (OD) task. Male Fischer 344 rats were trained to either lever press ("go") in response to a positive conditioned stimulus (CS+: vanillin) or to do nothing ("no go") when a negative conditioned stimulus (CS-: amyl acetate) was present...
September 13, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28916355/grouper-stat1a-is-involved-in-antiviral-immune-response-against-iridovirus-and-nodavirus-infection
#3
Jingcheng Zhang, Xiaohong Huang, Songwei Ni, Jiaxin Liu, Yin Hu, Ying Yang, Yepin Yu, Linli Zhou, Qiwei Qin, Youhua Huang
Signal Transducer and Activator of Transcription 1 (STAT1) has been demonstrated to function as a critical mediator in multiple cell processes, such as cell proliferation, cell death, and innate immune response. Interestingly, two orthologues of human STAT1, including STAT1a and STAT1b genes have been identified in different fish. However, the detailed roles of fish STAT1a in virus replication still remained largely uncertain. Here, we cloned a STAT1a from orange-spotted grouper Epinephelus coioides (EcSTAT1a) and characterized its roles during fish virus infection...
September 12, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28914870/-shunt-induced-craniosynostosis-topicality-of-the-problem-choice-of-the-approach-and-features-of-surgical-treatment
#4
S A Kim, G V Letyagin, V E Danilin, A A Sysoeva
RATIONALE: Shunt-induced craniosynostosis is one of the late complications of CSF shunting surgery, which affects the patient's condition, clinical picture, and treatment approach. OBJECTIVE: to evaluate the prevalence rate and clinical significance of this disease, define the indications for surgery, and choose the optimal surgical approach. MATERIAL AND METHODS: The study included 59 children with shunt system dysfunction, aged 1 to 14 years, who were treated at the Department in the period from 2014 to 2016...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28904587/complete-resolution-of-papilledema-in-syndromic-craniosynostosis-with-posterior-cranial-vault-distraction
#5
Melissa LoPresti, Edward P Buchanan, Veeral Shah, Caroline M Hadley, Laura A Monson, Sandi Lam
We report a case of surgical management of Crouzon syndrome with multisuture craniosynostosis presenting with increased intracranial pressure (ICP) manifesting with chronic papilledema without ventriculomegaly. A 12-month-old boy had complete resolution of papilledema after posterior cranial vault distraction followed by staged fronto-orbital advancement. Expansion of the cranial vault with posterior distraction osteogenesis posed an elegant treatment, obviating ventriculoperitoneal shunt placement for cerebrospinal fluid (CSF) diversion...
April 2017: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28904458/can-transcranial-color-doppler-spectral-signatures-be-a-novel-biomarker-for-monitoring-cerebrovascular-autoregulation-and-intracranial-pressure-a-speculative-synthesis
#6
Sandhya Mangalore, Kotresh, Rakshith Srinivasa, Alangar Sathyaranjandas Hegde, Rangashetty Srinivasa
BACKGROUND: Trans Cranial Colour Doppler (TCCD) has been extensively used in various neurological and neurosurgical conditions causing severe raise in the intracranial pressure (ICP). MATERIAL AND METHOD: Our study explores the sequential evolution of TCCD flow pattern by correlating with pupillary reactivity, Glasgow coma scale (GCS), and imaging. Our cohort consisted of thirty patients with ten patients in each subgroup admitted to the neuro-Intensive Care Unit (NICU) for various neurological and neurosurgical causes...
July 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28904452/long-term-response-of-cerebrospinal-fluid-pressure-in-patients-with-idiopathic-intracranial-hypertension-a-prospective-observational-study
#7
V Abdul Gafoor, B Smita, James Jose
BACKGROUND: Idiopathic intracranial hypertension (IIH) is increased intracranial pressure (ICP) with normal cerebrospinal fluid (CSF) contents, in the absence of an intracranial mass, hydrocephalus, or other identifiable causes. The current knowledge of the treatment outcome of IIH is limited, and the data on the natural history of this entity are scant. OBJECTIVE: The objective of the study is to study the treatment response of IIH by serially measuring the CSF opening pressure and to delineate the factors influencing the same...
July 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28903564/impact-of-an-artificial-digestion-procedure-on-aluminum-containing-nanomaterials
#8
Holger Sieg, Claudia Kästner, Benjamin Christoph Krause, Thomas Meyer, Agnes Burel, Linda Böhmert, Dajana Lichtenstein, Harald Jungnickel, Jutta Tentschert, Peter Laux, Albert Braeuning, Irina Estrela-Lopis, Fabienne Gauffre, Valerie Fessard, Jan Meijer, Andreas Luch, Andreas F Thünemann, Alfonso Lampen
Aluminum has gathered toxicological attention based on relevant human exposure and its suspected hazardous potential. Nanoparticles from food supplements or food contact materials may reach the human gastrointestinal tract. Here, we monitored the physico-chemical fate of aluminum-containing nanoparticles and aluminum ions when passaging an in vitro model of the human gastrointestinal tract. Small-angle X-ray scattering (SAXS), transmission electron microscopy (TEM), ion beam microscopy (IBM), secondary ion beam mass spectrometry (TOF-SIMS), and inductively coupled plasma mass spectrometry (ICP-MS) in the single-particle mode were employed to characterize two aluminum-containing nanomaterials with different particle core materials (Al0, γAl2O3) and soluble AlCl3...
September 13, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28902893/correlation-of-optic-nerve-sheath-diameter-with-directly-measured-intracranial-pressure-in-korean-adults-using-bedside-ultrasonography
#9
Jin Pyeong Jeon, Si Un Lee, Sung-Eun Kim, Suk Hyung Kang, Jin Seo Yang, Hyuk Jai Choi, Yong Jun Cho, Seung Pil Ban, Hyoung Soo Byoun, Young Soo Kim
OBJECTIVES: The correlation of optic nerve sheath diameter (ONSD) as seen on ultrasonography (US) and directly measured intracranial pressure (ICP) has been well described. Nevertheless, differences in ethnicity and type of ICP monitor used are obstacles to the interpretation. Therefore, we investigated the direct correlation between ONSD and ventricular ICP and defined an optimal cut-off point for identifying increased ICP (IICP) in Korean adults with brain lesions. METHODS: This prospective study included patients who required an external ventricular drainage (EVD) catheter for ICP control...
2017: PloS One
https://www.readbyqxmd.com/read/28901562/involving-institutionalised-people-with-dementia-in-their-care-planning-meetings-lessons-learnt-by-the-staff
#10
Feliciano Villar, Montserrat Celdrán, Josep Vila-Miravent, Rodrigo Serrat
BACKGROUND: Applying a person-centred care (PCC) approach is an aspiration for many services attending people with dementia (PwD). However, the implementation and assessment of PCC practices represent a challenge to health professionals. AIM: To evaluate the impact on staff of a programme aiming to involve people with dementia (PwD) in their individualised care-planning (ICP) meetings in long-term residential settings; specifically, to explore the lessons that staff perceived they had learned from the experience...
September 13, 2017: Scandinavian Journal of Caring Sciences
https://www.readbyqxmd.com/read/28901362/what-do-we-actually-see-in-intracellular-sers-investigating-nanosensor-induced-variation
#11
J Taylor, J Milton, M Willett, J Wingfield, S Mahajan
Plasmonic nanoparticles (NPs), predominantly gold (AuNPs), are easily internalised into cells and commonly employed as nanosensors for reporter-based and reporter-free intracellular SERS applications. While AuNPs are generally considered non-toxic to cells, many biological and toxicity studies report that exposure to NPs induces cell stress through the generation of reactive oxygen species (ROS) and the upregulated transcription of pro-inflammatory genes, which can result in severe genotoxicity and apoptosis...
September 13, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28900829/clinical-radiological-pathological-and-prognostic-aspects-of-intraventricular-oligodendroglioma-comparison-with-central-neurocytoma
#12
Xiang Xiao, Jun Zhou, Jun Wang, Lei Yang, Chunhong Wang, Yikai Xu, Yuankui Wu
Studies comparing intraventricular oligodendroglioma (IVO) and central neurocytoma (CN) in terms of their clinical, radiological and pathological features are scarce. We, therefore, investigated the similarities and differences between these types of tumors to get a better understanding of how they may be more properly diagnosed and treated. The clinical manifestations, CT/MRI findings, pathological characteristics and clinical outcomes of 8 cases of IVOs and 12 cases of CNs were analyzed retrospectively. Both IVO and CN occurred most commonly in young adults and manifested with symptoms of increased intracranial pressure secondary to obstructive hydrocephalus...
September 12, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28894592/changes-in-delta-adc-reflect-intracranial-pressure-changes-in-craniosynostosis
#13
Yuko Takahashi, Masaaki Hori, Kazuaki Shimoji, Masakazu Miyajima, Osamu Akiyama, Hajime Arai, Shigeki Aoki
BACKGROUND: In patients with craniosynostosis, intracranial pressure (ICP) has been reported to increase even in the absence of overt symptoms. The early and non-invasive detection of intracranial hypertension is important for reducing the risk of abnormal brain development in pediatric patients. PURPOSE: To assess whether the apparent diffusion coefficient (ADC) of white matter during the cardiac cycle (ΔADC) would change after surgery to relieve ICP in children with craniosynostosis...
September 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/28891221/comparative-analysis-of-the-biological-effects-of-the-endodontic-bioactive-cements-mta-angelus-mta-repair-hp-and-neomta-plus-on-human-dental-pulp-stem-cells
#14
C J Tomás-Catalá, M Collado-González, D García-Bernal, R E Oñate-Sánchez, L Forner, C Llena, A Lozano, P Castelo-Baz, J M Moraleda, F J Rodríguez-Lozano
AIM: To evaluate the biological effects in vitro of MTA Angelus (MTA-Ang; Angelus, Londrina, PR, Brazil), MTA Repair HP (MTA-HP; Angelus,) and NeoMTA Plus (NeoMTA-P; Avalon Biomed Inc, Bradenton, FL, USA) on human dental pulp stem cells (hDPSCs). METHODOLOGY: Cell viability and cell migration assays were performed using eluates of each material. To evaluate cell morphology and cell attachment to the different materials, hDPSCs were directly seeded onto the material surfaces and analyzed by immunocytofluorescence and scanning electron microscopy, respectively...
September 11, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28887991/superparamagnetic-iron-oxide-nanoparticles-modified-with-dimyristoylphosphatidylcholine-and-their-distribution-in-the-brain-after-injection-in-the-rat-substantia-nigra
#15
Lichao Su, Baolin Zhang, Yinping Huang, Hao Zhang, Qin Xu, Jie Tan
The subcellular distributions of nanoparticles in the brain are important for their biological application. We synthesized and characterized the superparamagnetic iron oxide nanoparticles (SPIONs) modified with poly (ethylene glycol) (PEG) and polyethylenimine (PEI) (PEG/PEI-SPIONs), and with dimyristoylphosphatidylcholine (DMPC) (DMPC-SPIONs). The nanoparticles were unilaterally injected into the left substantia nigra of rat brains. The distributions of the nanoparticles in the left brains of the rats were examined by ICP-OES (inductively coupled plasma optical emission spectrometer) and TEM (transmission electron microscopy) at 24h after the injection...
December 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28885444/surgical-treatment-of-nonsyndromic-craniosynostosis
#16
Kristen A Klement, Karri A Adamson, Narges L Horriat, Arlen D Denny
Studies on the treatment of nonsyndromic craniosynostosis demonstrate decreasing morbidity and mortality; however, complication rates still range from 5% to 14%. Here, the authors present their last 10 years' experience treatment of nonsyndromic single suture craniosynostosis. A retrospective review was performed on patients who underwent open surgical treatment of nonsyndromic craniosynostosis over 10 years. Patient characteristics and clinical outcomes were reviewed. Radiological analysis of intracranial volumes was performed using Amira software...
September 6, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28885045/duret-hemorrhage-complicating-a-sinking-skin-flap-syndrome
#17
Mickael Cardinale, Eric Meaudre, Pierre-Julien Cungi, Cédric Nguyen, Pierre Esnault, Christophe Joubert
Duret hemorrhage has always been reported during an episode of increased intracranial pressure with transtentorial herniation. We reported a Duret hemorrhage occurring during an episode of intracranial hypotension resulted in sinking skin flap syndrome which was responsible for acute paradoxal descending transtentorial herniation and Duret hemorrhage, 10 days after large hemicraniectomy which could indicate early cranioplasty.
September 8, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28881814/diagnostic-and-prognostic-values-of-cerebrospinal-fluid-cyfra-21-1-in-patients-with-leptomeningeal-carcinomatosis
#18
Jae-Won Hyun, Ji Hyun Park, Boo Gil Kang, Eun Young Park, Boram Park, Jungnam Joo, Jong Kuk Kim, Su-Hyun Kim, Jee Hyang Jeong, Hyang Woon Lee, Kee Duk Park, Kyung Gyu Choi, Sang-Hyun Hwang, Ho-Shin Gwak, Ho Jin Kim
OBJECTIVES: To investigate the diagnostic and prognostic values of cerebrospinal fluid (CSF) CYFRA 21-1 in patients with leptomeningeal carcinomatosis (LMC). METHODS: Concentration of CSF CYFRA 21-1 was detected using electro-chemiluminescent immunoassay. The difference in level of CYFRA 21-1 between 61 patients with LMC and 200 patients with other neurological disease was evaluated, and diagnostic performance of CSF CYFRA 21-1 was investigated. In LMC patients treated with ventriculo-lumbar perfusion (VLP) chemotherapy, prognostic performance of CSF CYFRA 21-1 was evaluated...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28879543/apex-predatory-mammals-as-bioindicator-species-in-environmental-monitoring-of-elements-in-dinaric-alps-croatia
#19
Maja Lazarus, Ankica Sekovanić, Tatjana Orct, Slaven Reljić, Josip Kusak, Jasna Jurasović, Đuro Huber
Tissue element investigations of apex terrestrial mammals are very scarce in Europe. We quantified 16 essential and nonessential elements in the kidney cortex, liver, and muscle tissue of 467 brown bears (Ursus arctos), 125 gray wolves (Canis lupus), one Eurasian lynx (Lynx lynx), and three golden jackals (Canis aureus) from Croatia by inductively coupled plasma mass spectrometry (ICP-MS). Renal cadmium (0.6% of animals) and lead (1%) and hepatic lead (5%) were found in toxicologically relevant levels for mammals only in bears, while the other elements were within normal range...
September 6, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28872565/sinus-pericranii-in-achondroplasia-a-case-report-and-review-of-the-literature
#20
Abbey A Scott, Katelyn D Hodge, Wilfredo Torres-Martinez, Stephen R Dlouhy, Jodi L Smith, David D Weaver
In the field of dysmorphology, achondroplasia is a well-known disorder. Sinus pericranii (SP), however, is not. The latter condition is a rare vascular malformation characterized by abnormal connections between the intracranial and the extracranial venous drainage pathways. The etiology of SP remains unclear, and yet, these defects can be present at birth, develop spontaneously later, or evolve following head trauma. Here, we report on a 2-year-old male with achondroplasia, SP, and craniocervical junction stenosis...
October 2017: Clinical Dysmorphology
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