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https://www.readbyqxmd.com/read/28724276/fatal-small-intestinal-ischemia-due-to-methamphetamine-intoxication-report-of-a-case-with-autopsy-results
#1
Hamid Attaran
Methamphetamine is one of the most common abused drugs, so its various effects on different body organs should be familiar to all physicians. Regarding its gastrointestinal sequels, there are few reports of ischemic colitis induced by its vasoconstrictive effects. This is the first report of isolated small intestinal infarction resulting in death following methamphetamine toxicity. A 40-year-old woman with a past history of medical treatment for obesity referred to hospital with severe chest and back pain, perspiration, nausea, agitation, high blood pressure, bradycardia and subsequent lethargy and vasomotor instability...
May 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28706557/comparative-pharmacokinetics-and-bioavailability-of-three-ephedrines-in-rat-after-oral-administration-of-unprocessed-and-honey-fried-ephedra-extract-by-response-surface-experimental-design
#2
Yezhe Cheng, Yu Zhang, Hang Xing, Kun Qian, Longshan Zhao, Xiaohui Chen
Ephedra have been used as a common traditional Chinese medicine for thousands of years. However, the perspiration effect of the unprocessed ephedra was too strong. Clinical trials have shown that processing methods play a critical role in moderating the perspiration property of ephedra according to the needs. A LC-MS/MS method was developed and validated to compare the pharmacokinetic properties of the three ephedrines after oral administration of unprocessed and honey-fried ephedra extract. The contents of honey, frying temperature, and frying time were set at 20%, 116°C, and 7 min by the Box-Behnken response surface method, respectively...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28675233/integrated-sudomotor-axon-reflex-sweat-stimulation-for-continuous-sweat-analyte-analysis-with-individuals-at-rest
#3
Zachary Sonner, Eliza Wilder, Trudy Gaillard, Gerald Kasting, Jason Heikenfeld
Eccrine sweat has rapidly emerged as a non-invasive, ergonomic, and rich source of chemical analytes with numerous technological demonstrations now showing the ability for continuous electrochemical sensing. However, beyond active perspirers (athletes, workers, etc.), continuous sweat access in individuals at rest has hindered the advancement of both sweat sensing science and technology. Reported here is integration of sudomotor axon reflex sweat stimulation for continuous wearable sweat analyte analysis, including the ability for side-by-side integration of chemical stimulants & sensors without cross-contamination...
July 25, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28667529/unbiased-race-based-massive-parallel-surveys-of-human-iga-antibody-repertoires
#4
Hanane El Bannoudi, Céline Anquetil, Marc J Braunstein, Sergei L Kosakovsky Pond, Gregg J Silverman
For investigations of human B-cell receptor (BCR) repertoires, we have developed a protocol for large-scale surveys of human antibody heavy chain (VH) rearrangements. Here we study IgA repertoires, as more IgA antibodies are synthesized in the human body on a daily level than all other isotypes combined. In fact, IgA is secreted at all mucosal surfaces, and it is also secreted in the perspiration that coats our cutaneous surfaces. In these studies we can characterize the IgA clonal diversity of B-cell populations obtained from any donor...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28582974/breathable-vapor-toxicant-barriers-based-on-multilayer-graphene-oxide
#5
Ruben Spitz Steinberg, Michelle Cruz, Naser G A Mahfouz, Yang Qiu, Robert H Hurt
There is tremendous interest in graphene-based membranes as protective molecular barriers or molecular sieves for separation technologies. Graphene oxide (GO) films in the dry state are known to be effective barriers for molecular transport and to expand in the presence of moisture to create enlarged intersheet gallery spaces that allow rapid water permeation. Here we explore an application for GO membranes as water-breathable barrier layers for personal protective equipment, which are designed to allow outward perspiration while protecting the wearer from chemical toxicants or biochemical agents in the local environment...
June 27, 2017: ACS Nano
https://www.readbyqxmd.com/read/28533010/initial-investigation-of-the-corrosion-stability-of-craniofacial-implants
#6
Thamara Beline, Aljomar José Vechiato Filho, Alvin G Wee, Cortino Sukotjo, Daniela Micheline Dos Santos, Thaís Bianca Brandão, Valentim Adelino Ricardo Barão
STATEMENT OF PROBLEM: Although craniofacial implants have been used for retention of facial prostheses, failures are common. Titanium undergoes corrosion in the oral cavity, but the corrosion of craniofacial implants requires evaluation. PURPOSE: The purpose of this in vitro study was to investigate the corrosion stability of commercially pure titanium (CP Ti) exposed to simulated human perspiration at 2 different pH levels (5.5 and 8). MATERIAL AND METHODS: Fifteen titanium disks were divided into 3 groups (n=5 per group)...
May 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28518006/cooling-effects-of-wearer-controlled-vaporization-for-extravehicular-activity
#7
Kunihiko Tanaka, Daiki Nagao, Kosuke Okada, Koji Nakamura
INTRODUCTION: The extravehicular activity suit currently used by the United States in space includes a liquid cooling and ventilation garment (LCVG) that controls thermal conditions. Previously, we demonstrated that self-perspiration for evaporative cooling (SPEC) garment effectively lowers skin temperature without raising humidity in the garment. However, the cooling effect is delayed until a sufficient dose of water permeates and evaporates. In the present study, we hypothesized that wearer-controlled vaporization improves the cooling effect...
April 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28462102/systematic-review-of-type-specific-pathophysiological-symptoms-of-sasang-typology
#8
REVIEW
Yoo Ri Han, Han Byul Lee, Sang Yun Han, Byung Joo Kim, Soo Jin Lee, Han Chae
Previous studies on the Sasang typology have focused on the differential diagnosis of each Sasang type with type-specific pathophysiological symptoms (TSPS). The purpose of this study was to elucidate the latent physiological mechanism related to these clinical indicators. We searched six electronic databases for articles published from 1990 to 2015 using the Sasang typology-related keywords, and found and analyzed 35 such articles. The results were summarized into six TSPS categories: perspiration, temperature preference, sleep, defecation, urination, and susceptibility to stress...
June 2016: Integrative medicine research
https://www.readbyqxmd.com/read/28438272/inspiration-perspiration-and-execution-an-innovator-s-perspective
#9
Josh Makower
Josh Makower, MD, is a General Partner at New Enterprise Associates, Consulting Professor of Medicine at Stanford University Medical School, Co-Founder of Stanford's Biodesign Innovation Program, and Founder and Executive Chairman of the medical device incubator, ExploraMed Development, LLC.
May 2017: Surgery
https://www.readbyqxmd.com/read/28416667/autonomous-sweat-extraction-and-analysis-applied-to-cystic-fibrosis-and-glucose-monitoring-using-a-fully-integrated-wearable-platform
#10
Sam Emaminejad, Wei Gao, Eric Wu, Zoe A Davies, Hnin Yin Yin Nyein, Samyuktha Challa, Sean P Ryan, Hossain M Fahad, Kevin Chen, Ziba Shahpar, Salmonn Talebi, Carlos Milla, Ali Javey, Ronald W Davis
Perspiration-based wearable biosensors facilitate continuous monitoring of individuals' health states with real-time and molecular-level insight. The inherent inaccessibility of sweat in sedentary individuals in large volume (≥10 µL) for on-demand and in situ analysis has limited our ability to capitalize on this noninvasive and rich source of information. A wearable and miniaturized iontophoresis interface is an excellent solution to overcome this barrier. The iontophoresis process involves delivery of stimulating agonists to the sweat glands with the aid of an electrical current...
May 2, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28396935/state-of-the-art-in-fluid-and-volume-therapy-a%C3%A2-user-friendly-staged-concept-english-version
#11
M Rehm, N Hulde, T Kammerer, A S Meidert, K Hofmann-Kiefer
Adequate intraoperative infusion therapy is essential for the perioperative outcome of a patient. Both hypo- and hypervolemia can lead to an increased rate of perioperative complications and to a worse outcome. Perioperative infusion therapy should therefore be needs-based. The primary objective is the maintenance of preoperative normovolemia using a rational infusion strategy. Perioperative fluid losses should be differentiated from volume losses due to surgical bleeding or protein losses into the interstitial space...
April 10, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28373979/human-excretion-of-polybrominated-diphenyl-ether-flame-retardants-blood-urine-and-sweat-study
#12
Shelagh K Genuis, Detlef Birkholz, Stephen J Genuis
Commonly used as flame retardants, polybrominated diphenyl ethers (PBDEs) are routinely detected in the environment, animals, and humans. Although these persistent organic pollutants are increasingly recognized as having serious health implications, particularly for children, this is the first study, to our knowledge, to investigate an intervention for human elimination of bioaccumulated PBDEs. Objectives. To determine the efficacy of blood, urine, and perspiration as PBDE biomonitoring mediums; assess excretion of five common PBDE congeners (28, 47, 99, 100, and 153) in urine and perspiration; and explore the potential of induced sweating for decreasing bioaccumulated PBDEs...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28328088/evaluation-of-the-correlation-between-severity-of-acquired-idiopathic-generalized-anhidrosis-and-quality-of-life-scores
#13
Takichi Munetsugu, Tomoko Fujimoto, Takahiro Satoh, Yoshihiko Nakazato, Yuichiro Ohshima, Masato Asahina, Hiroo Yokozeki
Symptoms of acquired idiopathic generalized anhidrosis (AIGA) include heat retention and/or heat stroke due to the effects of the disorder on the perspiration ability of the whole body under thermal environmental changes or exercise. Additionally, cholinergic urticaria can also occur in these patients. AIGA has a major impact on everyday life. However, the effects of AIGA severity on the quality of life (QOL) of the patients have not been sufficiently defined. The objective of this study was to evaluate the correlation between AIGA severity and QOL...
March 22, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28281646/reversible-humidity-sensitive-clothing-for-personal-thermoregulation
#14
Ying Zhong, Fenghua Zhang, Meng Wang, Calvin J Gardner, Gunwoo Kim, Yanju Liu, Jinsong Leng, Sungho Jin, Renkun Chen
Two kinds of humidity-induced, bendable smart clothing have been designed to reversibly adapt their thermal insulation functionality. The first design mimics the pores in human skin, in which pre-cut flaps open to produce pores in Nafion sheets when humidity increases, as might occur during human sweating thus permitting air flow and reducing both the humidity level and the apparent temperature. Like the smart human sweating pores, the flaps can close automatically after the perspiration to keep the wearer warm...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28239923/we-know-that-horses-sweat-and-men-perspire-but-do-ladies-merely-glow
#15
Daniel Gagnon
No abstract text is available yet for this article.
February 26, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28218507/enabling-inkjet-printed-graphene-for-ion-selective-electrodes-with-postprint-thermal-annealing
#16
Qing He, Suprem R Das, Nathaniel T Garland, Dapeng Jing, John A Hondred, Allison A Cargill, Shaowei Ding, Chandran Karunakaran, Jonathan C Claussen
Inkjet printed graphene (IPG) has recently shown tremendous promise in reducing the cost and complexity of graphene circuit fabrication. Herein we demonstrate, for the first time, the fabrication of an ion selective electrode (ISE) with IPG. A thermal annealing process in a nitrogen ambient environment converts the IPG into a highly conductive electrode (sheet resistance changes from 52.8 ± 7.4 MΩ/□ for unannealed graphene to 172.7 ± 33.3 Ω/□ for graphene annealed at 950 °C). Raman spectroscopy and field emission scanning electron microscopy (FESEM) analysis reveals that the printed graphene flakes begin to smooth at an annealing temperature of 500 °C and then become more porous and more electrically conductive when annealed at temperatures of 650 °C and above...
March 30, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28197582/wearable-microfluidics-fabric-based-digital-droplet-flowmetry-for-perspiration-analysis
#17
Yahui Yang, Siyuan Xing, Zecong Fang, Ruya Li, Helen Koo, Tingrui Pan
The latest development in wearable technologies has attracted much attention. In particular, collection and analysis of body fluids has been a focus. In this paper, we have reported a wearable microfluidic platform made using conventional fabric materials and laser micromachining to measure the flow rate on a patterned fabric surface, referred to as digital droplet flowmetry (DDF). The proposed wearable DDF is capable of collecting and measuring continuous perspiration with high precision (96% on average) in a real-time fashion over a defined area of skin...
February 15, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28195229/international-spinal-cord-injury-bowel-function-basic-data-set-version-2-0
#18
K Krogh, A Emmanuel, B Perrouin-Verbe, M A Korsten, M J Mulcahey, F Biering-Sørensen
STUDY DESIGN: International expert working group. OBJECTIVES: To revise the International Spinal Cord Injury (SCI) Bowel Function Basic Data Set as a standardized format for the collecting and reporting of a minimal amount of information on bowel function in clinical practice and research. SETTING: Working group appointed by the American Spinal injury association (ASIA) and the International Spinal Cord Society (ISCoS). METHODS: The draft prepared by the working group was reviewed by the International SCI Data Set Committee and later by members of the ISCoS Executive and Scientific Committees and the ASIA board...
July 2017: Spinal Cord
https://www.readbyqxmd.com/read/28167366/a-stretchable-and-screen-printed-electrochemical-sensor-for-glucose-determination-in-human-perspiration
#19
A Abellán-Llobregat, Itthipon Jeerapan, A Bandodkar, L Vidal, A Canals, J Wang, E Morallón
Here we present two types of all-printable, highly stretchable, and inexpensive devices based on platinum (Pt)-decorated graphite for glucose determination in physiological fluids. Said devices are: a non-enzymatic sensor and an enzymatic biosensor, the latter showing promising results. Glucose has been quantified by measuring hydrogen peroxide (H2O2) reduction by chronoamperometry at -0.35V (vs pseudo-Ag/AgCl) using glucose oxidase immobilized on Pt-decorated graphite. The sensor performs well for the quantification of glucose in phosphate buffer solution (0...
May 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28151505/-a-late-diagnosis-of-left-atrial-myxoma-how-to-gain-time
#20
Ferdinando Maria Massari, Tatiana Tonella, Giuseppe Pomè, Alessandra Di Mauro, Claudio Clemente, Federico Lombardi
A 56-year-old man presented to the Outpatient Cardiology Unit for dyspnea that had been lasting 6 months and an occasional episode of cold perspiration on climbing a flight of stairs. In the suspicion of coronary artery disease, he was prescribed a complete blood panel, an echocardiogram and a treadmill stress test. The echocardiogram, performed as late as 78 days after the first evaluation and only by chance scheduled 2 days before the stress test, enabled a diagnosis of left atrial myxoma for which the patient successfully underwent cardiac surgery...
December 2016: Giornale Italiano di Cardiologia
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