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https://www.readbyqxmd.com/read/29760982/biodynamic-digital-holography-of-chemoresistance-in-a-pre-clinical-trial-of-canine-b-cell-lymphoma
#1
Honggu Choi, Zhe Li, Hao Sun, Dan Merrill, John Turek, Michael Childress, David Nolte
Biodynamic digital holography was used to obtain phenotypic profiles of canine non-Hodgkin B-cell lymphoma biopsies treated with standard-of-care chemotherapy. Biodynamic signatures from the living 3D tissues were extracted using fluctuation spectroscopy from intracellular Doppler light scattering in response to the molecular mechanisms of action of therapeutic drugs that modify a range of internal cellular motions. The standard-of-care to treat B-cell lymphoma in both humans and dogs is a combination CHOP therapy that consists of doxorubicin, prednisolone, cyclophosphamide and vincristine...
May 1, 2018: Biomedical Optics Express
https://www.readbyqxmd.com/read/29734907/omega-%C3%AE-pulley-plasty-for-surgical-management-of-dequervain-s-disease
#2
Joseph Bakhach, Bachar Chaya, Nazareth Papazian
BACKGROUND: DeQuervain tenosynovitis, refractory to medical conservative treatment, has been traditionally treated by a simple division of the pulley, a procedure associated with several complications. Many authors attempted to prevent these complications by describing techniques of pulley reconstruction after its release necessitating suturing the different flaps and subsequently promoting extensor tendons adhesions. The authors present an alternative procedure for the first extensor compartment pulley decompression: "Omegaplasty"...
June 2018: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29584497/initial-analysis-of-archived-non-human-primate-frontal-and-rear-impact-data-from-the-biodynamics-data-resource
#3
Ardyn V Olszko, Christine M Beltran, Kimberly B Vasquez, James S McGhee, Valeta C Chancey, Narayan Yoganandan, Frank A Pintar, Jamie L Baisden
OBJECTIVE: The research objective was to conduct an initial analysis of non-human primate (NHP) data from frontal and rear impact events archived in the Biodynamics Data Resource (BDR) records of the Naval Biodynamics Laboratory (NBDL). These rare data, collected between 1973 and 1989, will inform the safety community of upper-end tolerance limits of NHP and may be related to severe crash scenarios. METHODS: Data from frontal and rear acceleration tests to 93 macaque NHP were examined...
February 28, 2018: Traffic Injury Prevention
https://www.readbyqxmd.com/read/29543064/biodynamic-excisional-skin-tension-lines-for-surgical-excisions-untangling-the-science
#4
S P Paul
Objective There remains confusion between Langer's lines and wrinkle lines with respect to the optimal orientation of elliptical excisions on the trunk. This study sought to determine the directions of wound closure that would result in least wound tension after skin lesion excisions. Materials and methods Some 1181 consecutive skin lesion excisions were investigated (age range 13-95 years, median 64 years) using a tensiometer to determine directions of least wound tension. These lines were mapped. Skin tension measurements were taken during the procedure and analysed...
April 2018: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29516419/chemical-composition-and-antifungal-activity-of-plant-extracts-traditionally-used-in-organic-and-biodynamic-farming
#5
Vanessa Andreu, Annabel Levert, Anaïs Amiot, Anaïs Cousin, Nicolas Aveline, Cédric Bertrand
Five plant extracts traditionally used in organic and biodynamic farming for pest control and antifungal (downy mildew) disease management were selected after a farmer survey and analyzed for their chemical composition in LC-PDA-MS-MS and using adapted analytical method from food chemistry for determination of class of component (e.g., protein, sugar, lipids…). Their antifungal activity against Penicillium expansum, Botrytis cinerea, Botrytis allii, brown rot causing agents (Monilinia laxa and Monilinia fructigena), and grape downy mildew (Plasmopara viticola) was examined in vitro...
March 7, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29466659/soil-bacteria-override-speciation-effects-on-zinc-phytotoxicity-in-zinc-contaminated-soils
#6
Nyekachi C Adele, Bryne T Ngwenya, Kate V Heal, J Frederick W Mosselmans
The effects of zinc (Zn) speciation on plant growth in Zn-contaminated soil in the presence of bacteria are unknown but are critical to our understanding of metal biodynamics in the rhizosphere where bacteria are abundant. A 6-week pot experiment investigated the effects of two plant growth promoting bacteria (PGPB), Rhizobium leguminosarum and Pseudomonas brassicacearum, on Zn accumulation and speciation in Brassica juncea grown in soil amended with 600 mg kg-1 elemental Zn as three Zn species: soluble ZnSO4 and nanoparticles of ZnO and ZnS...
March 20, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29240039/an-overview-of-low-back-pain-and-occupational-exposures-to-whole-body-vibration-and-mechanical-shocks
#7
Massimo Bovenzi, Marianne Schust, Marcella Mauro
This paper offers an overview of the relation of low back pain (LBP) to occupational exposures to whole-body vibration (WBV) and mechanical shocks. LBP is a condition of multifactorial origin and is a very common health problem in the general population. Among occupational risk factors, epidemiological studies of driving occupations have provided evidence for strong associations between LBP and occupational exposures to WBV and mechanical shocks. Since it is hard to separate the contribution of WBV exposure to disorders in the lower back from that of other individual, ergonomic or psychosocial risk factors, a quantitative exposure-response relationship for WBV cannot be outlined precisely...
December 14, 2017: La Medicina del Lavoro
https://www.readbyqxmd.com/read/29182973/diet-specific-trophic-transfer-of-mercury-in-tilapia-oreochromis-niloticus-biodynamic-perspective
#8
Rui Wang, Wen-Xiong Wang
This study tested the hypothesis that different diets could modulate mercury (Hg) trophic transfer by concurrently altering the transfer of energy (in terms of growth) and transfer of Hg (in terms of biodynamic process). Firstly, we conducted a 40-d laboratory bioaccumulation experiment, in which tilapia (Oreochromis niloticus) was exposed to inorganic mercury (Hg[II]) and methylmercury (MeHg) via feeding on three distinct diets (macrophyte, freshwater shrimp, and commercial pellets) at a fixed ingestion rate of 0...
March 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29173119/contact-area-affects-frequency-dependent-responses-to-vibration-in-the-peripheral-vascular-and-sensorineural-systems
#9
Kristine Krajnak, G R Miller, Stacey Waugh
Repetitive exposure to hand-transmitted vibration is associated with development of peripheral vascular and sensorineural dysfunctions. These disorders and symptoms associated with it are referred to as hand-arm vibration syndrome (HAVS). Although the symptoms of the disorder have been well characterized, the etiology and contribution of various exposure factors to development of the dysfunctions are not well understood. Previous studies performed using a rat-tail model of vibration demonstrated that vascular and peripheral nervous system adverse effects of vibration are frequency-dependent, with vibration frequencies at or near the resonant frequency producing the most severe injury...
2018: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/29163377/wild-grape-associated-yeasts-as-promising-biocontrol-agents-against-vitis-vinifera-fungal-pathogens
#10
Gustavo Cordero-Bueso, Nicola Mangieri, David Maghradze, Roberto Foschino, Federica Valdetara, Jesús M Cantoral, Ileana Vigentini
The increasing level of hazardous residues in the environment and food chains has led the European Union to restrict the use of chemical fungicides. Thus, exploiting new natural antagonistic microorganisms against fungal diseases could serve the agricultural production to reduce pre- and post-harvest losses, to boost safer practices for workers and to protect the consumers' health. The main aim of this work was to evaluate the antagonistic potential of epiphytic yeasts against Botrytis cinerea, Aspergillus carbonarius , and Penicillium expansum pathogen species...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29123326/vibrations-transmitted-from-human-hands-to-upper-arm-shoulder-back-neck-and-head
#11
Xueyan S Xu, Ren G Dong, Daniel E Welcome, Christopher Warren, Thomas W McDowell, John Z Wu
Some powered hand tools can generate significant vibration at frequencies below 25 Hz. It is not clear whether such vibration can be effectively transmitted to the upper arm, shoulder, neck, and head and cause adverse effects in these substructures. The objective of this study is to investigate the vibration transmission from the human hands to these substructures. Eight human subjects participated in the experiment, which was conducted on a 1-D vibration test system. Unlike many vibration transmission studies, both the right and left hand-arm systems were simultaneously exposed to the vibration to simulate a working posture in the experiment...
December 2017: International Journal of Industrial Ergonomics
https://www.readbyqxmd.com/read/29112190/jaw-biodynamic-data-for-24-patients-with-chronic-unilateral-temporomandibular-disorder
#12
José López-Cedrún, Urbano Santana-Mora, María Pombo, Amaya Pérez Del Palomar, Víctor Alonso De la Peña, María Jesús Mora, Urbano Santana
This study assessed 24 adult patients, suffering from severe chronic unilateral pain diagnosed as temporomandibular joint (TMJ) disorder (TMD). The full dentate patients had normal occlusion and had never received an occlusal therapy, i.e., were with natural dental evolution/maturation. The following functional and dynamic factors were assessed: (1) chewing function; (2) TMJ remodeling or the condylar path (CP); and (3) lateral jaw motion or lateral guidance (LG). CPs were assessed using conventional axiography, and LG was assessed by K7 jaw tracking...
November 7, 2017: Scientific Data
https://www.readbyqxmd.com/read/28990280/soil-microbiota-respond-to-green-manure-in-organic-vineyards
#13
C M O Longa, L Nicola, L Antonielli, E Mescalchin, R Zanzotti, E Turco, I Pertot
AIMS: The aim of this work was to investigate the effects of biodynamic management with and without the addition of green manure, in comparison with organic management, on the microbiota in vineyards soil. METHODS AND RESULTS: High throughput sequencing was used to compare the taxonomic structure of the soil bacterial and fungal communities from vineyards managed with different methods (organic, biodynamic or biodynamic with green manure). Our results showed that microbial communities associated with biodynamic and organic farming systems were very similar, while green manure was the greatest source of soil microbial biodiversity and significantly changed microbial richness and community composition compared with other soils...
October 9, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28986038/reconstruction-of-the-anterior-chest-wall-with-a-3-dimensionally-printed-biodynamic-prosthesis
#14
Jose Ramón Cano, Francisco Hernández Escobar, David Pérez Alonso, Luis López Rivero
No abstract text is available yet for this article.
January 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28981987/saccharide-containing-dynamic-proteoids
#15
Yun Liu, Marc C A Stuart, Martin D Witte, Eric Buhler, Anna K H Hirsch
Dynamic proteoids are dynamic covalent analogues of proteins, which can be used as new adaptive biomaterials. We designed and synthesized a range of sugar-containing dynamic proteoid biodynamers based on the polycondensation of different types of amino acid and dipeptide hydrazides with a biological aliphatic dialdehyde and a nonbiological aromatic dialdehyde. By using the saccharide-based dialdehyde, the biocompatibility of biodynamers should be enhanced compared to previously reported biodynamers.
November 16, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28892512/grape-microbiome-as-a-reliable-and-persistent-signature-of-field-origin-and-environmental-conditions-in-cannonau-wine-production
#16
Valerio Mezzasalma, Anna Sandionigi, Ilaria Bruni, Antonia Bruno, Gianni Lovicu, Maurizio Casiraghi, Massimo Labra
Grape berries harbor a wide range of microbes originating from the vineyard environment, many of which are recognized for their role in the must fermentation process shaping wine quality. To better clarify the contribution of the microbiome of grape fruits during wine fermentation, we used high-throughput sequencing to identify bacterial and fungi communities associated with berries and musts of Cannonau. This is the most important cultivar-wine of Sardinia (Italy) where most vineyards are cultivated without phytochemical treatments...
2017: PloS One
https://www.readbyqxmd.com/read/28780186/dynamic-forces-over-the-interface-between-a-seated-human-body-and-a-rigid-seat-during-vertical-whole-body-vibration
#17
Chi Liu, Yi Qiu, Michael J Griffin
Biodynamic responses of the seated human body are usually measured and modelled assuming a single point of vibration excitation. With vertical vibration excitation, this study investigated how forces are distributed over the body-seat interface. Vertical and fore-and-aft forces were measured beneath the ischial tuberosities, middle thighs, and front thighs of 14 subjects sitting on a rigid flat seat in three postures with different thigh contact while exposed to random vertical vibration at three magnitudes...
August 16, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28771825/mercury-bioavailability-transformations-and-effects-on-freshwater-biofilms
#18
REVIEW
Perrine Dranguet, Séverine Le Faucheur, Vera I Slaveykova
Mercury (Hg) compounds represent an important risk to aquatic ecosystems because of their persistence, bioaccumulation, and biomagnification potential. In the present review, we critically examine state-of-the-art studies on the interactions of Hg compounds with freshwater biofilms, with an emphasis on Hg accumulation, transformations, and effects. Freshwater biofilms contain both primary producers (e.g., algae) and decomposers (e.g., bacteria and fungi), which contribute to both aquatic food webs and the microbial loop...
December 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28767802/parathyroidectomy-in-chronic-kidney-disease-effects-on-weight-gain-and-on-quality-of-life-improvement
#19
Henyse Gomes Valente-Da-Silva, Maria Cristina Araújo Maya, Annie Seixas Moreira
Objective: to evaluate the benefit of parathyroidectomy in patients on hemodialysis, regarding nutritional and biochemical statuses, body composition and the health-related quality of life. Methods: this is a longitudinal study involving 28 hemodialysis adult patients with severe secondary hyperparathyroidism evaluated before and one year after surgery. Inclusion criteria: parathyroid hormone levels exceeding ten times the upper normal range and end-stage renal disease in hemodialysis program...
May 2017: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/28714791/influence-of-body-composition-on-functional-movement-screen%C3%A2-scores-in-collegiate-football-players
#20
Constantine P Nicolozakes, Daniel K Schneider, Ben Rower, James Borchers, Timothy E Hewett
CONTEXT: The Functional Movement Screen (FMS™) is used to identify movement asymmetries and deficiencies. While obesity has been reported to impede movement, the correlation between body mass index (BMI), body fat percentage (BF%), and FMS™ in athletes is unknown. OBJECTIVE: To determine if there is a relationship between BMI, BF%, and FMS™ scores in a sample of National Collegiate Athletic Association (NCAA) Division I football athletes. DESIGN: Cross-sectional study...
July 17, 2017: Journal of Sport Rehabilitation
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