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https://www.readbyqxmd.com/read/28330288/biofabrication-and-spectral-characterization-of-silver-nanoparticles-and-their-cytotoxic-studies-on-human-cd34-ve-stem-cells
#1
Venkata S Kotakadi, Susmila Aparna Gaddam, Sucharitha K Venkata, P V G K Sarma, D V R Sai Gopal
Biosynthesis of plant-mediated silver nanoparticles is gaining significant importance due to environmentally safe 'green method' and it is an efficient alternative method. In the present study, silver nanoparticles were synthesized by using root extract of Glycyrrhiza glabra an important medicinal plant. The AgNPs are characterized by spectral analysis; the surface plasmon resonance (SPR) peak of AgNPs showed maximum absorption at 445 nm. Fourier-transform infrared spectroscopy (FT-IR) data show that the O-H hydroxyl groups, carboxylic acids, ester and ether groups and C-O stretching of alcohols have been utilized in the formation of AgNPs...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330280/culturable-endophytic-bacteria-associated-with-medicinal-plant-ferula-songorica-molecular-phylogeny-distribution-and-screening-for-industrially-important-traits
#2
Yong-Hong Liu, Jian-Wei Guo, Nimaichand Salam, Li Li, Yong-Guang Zhang, Jian Han, Osama Abdalla Mohamad, Wen-Jun Li
Xinjiang, a region of high salinity and drought, is a host to many arid and semi-arid plants. Many of these plants including Ferula spp. have indigenous pharmaceutical histories. As many of the medicinal properties of plants are in tandem with the associated microorganisms residing within the plant tissues, it is advisable to explore the endophytic potential of such plants. In the present study, diversity of culturable bacteria isolated from medicinal plants Ferula songorica collected from Hebukesaier, Xinjiang were analyzed...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330193/a-rapid-method-for-isolation-of-genomic-dna-from-food-borne-fungal-pathogens
#3
S Umesha, H M Manukumar, Sri Raghava
Food contaminated with fungal pathogens can cause extremely harmful effects to human even when present in low concentrations. Researchers now pay more attention towards rapid DNA extraction for the quick screening, which is highly demanded in diverse research field. Molecular description of many fungal species is identified by different molecular characteristics. Hence, the efficient isolation of genomic DNA and amplification using PCR is a prerequisite for molecular characterization. Here, we used an improved Sodium dodecyl sulfate-Cetyltrimethyl ammonium bromide-Chloroform-isoamyl alcohol method by combining Sodium dodecyl sulfate with cetyl methylammonium bromide without addition of proteinase K, RNase K, and β-mercaptoethanol...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330097/immobilization-of-halophilic-aspergillus-awamori-em66-exochitinase-on-grafted-k-carrageenan-alginate-beads
#4
Mona A Esawy, Ghada E A Awad, Walaa A Abdel Wahab, Magdy M M Elnashar, Ahmed El-Diwany, Saadia M H Easa, Fawkia M El-Beih
A novel extreme halophilic exochitinase enzyme was produced by honey isolate Aspergillus awamori EM66. The enzyme was immobilized successfully on k-carrageenan-alginate gel carrier (CA) with 93 % immobilization yield. The immobilization process significantly improved the enzyme specific activity 2.6-fold compared to the free form. The significant factors influencing the immobilization process such as enzyme protein concentration and loading time were studied. Distinguishable characteristics of optimum pH and temperature, stability at different temperatures and NaCl tolerance for free and immobilized enzyme were studied...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330088/metals-induced-functional-stress-in-sulphate-reducing-thermophiles
#5
Ali Hussain, Javed Iqbal Qazi
All toxic metals have been known to inhibit different activities of sulphate-reducing bacteria (SRB) at different concentrations. The present study delineates functional responses of two thermophilic SRB species (Desulfotomaculum reducens-HA1 and Desulfotomaculum hydrothermale-HA2) to toxic metals. Bacterial activity was assessed in terms of sulphate reduction and metal precipitation employing four concentrations (1, 5, 10 and 15 ppm) of three dissolved toxic metals (Cu, Cr and Ni) independently. Both sulphidogenic bacterial species showed results in a very narrow range of fluctuations...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329931/-simulation-study-of-air-quality-health-index-in-5-cities-in-china-2013-2015
#6
W T Wang, Q H Sun, J Qin, T T Li, X M Shi
Objective: To construct the air quality health index (AQHI) by inclusion of air pollutants PM(2.5) and O(3) in Guangzhou, Shanghai, Xi' an, Beijing, Shenyang, and explore scientificity and feasibility of its application in China. Methods: The daily average concentrations of PM(2.5) and O(3) in air, and daily average mortality from 2013 to 2015 in the 5 cities in China, the exposure-response coefficients of PM(2.5) and O(3) and total mortality from Meta studies in China were used to construct local AQHI. The health risk levels of air pollution in the 5 cities were calculated and compared with the characteristics of single pollutant concentrationof PM(2...
March 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28329929/-influence-of-extreme-weather-on-years-of-life-lost-due-to-diabetes-death-in-chongqing-and-harbin-china
#7
Y H Li, S Q Luo, L Lan, M G Jin, C Yang, J Y He, H B Li, C C Li, Y B Cheng, Y L Jin
Objective: To understand the associations between extremely low and high air temperature and the years of life lost (YLL) due to diabetes deaths in Chongqing and Harbin with different climatic characteristics in China. Methods: A double threshold B-spline distributed lag non-linear model (DLNM) was used to investigate the lag and cumulative effects of extremely low and high air temperature on YLL due to diabetes for lag 0-30 days by using the urban meteorological and diabetes mortality data of Chongqing (2011-2013) and Harbin (2008-2010)...
March 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28329927/-lagged-effects-of-diurnal-temperature-range-on-mortality-in-66-cities-in-china-a-time-series-study
#8
Y Q Zhao, L J Wang, Y Luo, P Yin, Z J Huang, T Liu, H L Lin, J P Xiao, X Li, W L Zeng, W J Ma, M G Zhou
Objective: To estimate the effect of daily diurnal temperature range (DTR) on mortality in different areas in China. Methods: A time series study using the data collected from 66 areas in China was conducted, and Meta-analysis was used to analyze the estimates of associations between DTR and daily mortality. Modifying effects of extremely low and high DTR-mortality relationship by season and socioeconomic status (SES) were also evaluated respectively. Cumulative excess risk (CER) was used as an index to evaluate the effects...
March 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28329891/treatment-of-extreme-strabismus-in-tao-thyroid-associated-orbitopathy-medial-rectus-and-inferior-rectus-tendon-elongation-as-an-alternative-to-conventional-strabismus-surgery-a-case-report
#9
M Wipf, A Palmowski-Wolfe
No abstract text is available yet for this article.
March 22, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28329748/extensive-multilevel-split-laminotomy-for-debulking-a-cervicothoracolumbar-nondysraphic-intramedullary-spinal-cord-lipoma-in-a-2-month-old-infant
#10
Ha Son Nguyen, Sean Lew
INTRODUCTION: Laminectomy is the traditional approach for posterior exposure of the spinal canal for tumor resection. Another technique is split laminotomy, which entails the division and retraction of the spinous processes and laminae to access the thecal sac. This technique has been employed for small-segment exposures, but not extensively explored for long-segment exposures. CASE: A 2-month-old male presented with progressive right-leg plegia. MRI of the spine revealed a large, intramedullary spinal-cord lipoma extending from C6 to L5...
March 23, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28329614/dyschromatosis-universalis-hereditaria-report-of-six-cases-from-a-family
#11
Swapan Kumar Sardar, Anupam Das, Debabrata Bandyopadhyay Bandyopadhyay
Dyschromatosis universalis hereditaria (DUH) is a rare pigmentary disorder characterized by the presence of mottled hyperpigmented and hypopigmented macules over the trunk, extremities, and face. We have presented a case series comprised of six members of a family who had numerous hyperpigmented and hypopigmented macules distributed all over the body. Histological findings were suggestive of dyschromatosis universalis hereditaria.
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329613/elast%C3%A3-lisis-de-la-dermis-media-diseminada
#12
María Pousa-Martínez, Carlos Aliste, Hugo Vázquez-Veiga, Virginia Fernández-Redondo
Mid-dermal elastolylis (MDE) is an uncommon skin disorder characterized by a loss of elastic fibers in the mid dermis. The pathogenesis of MDE still remains unclear. This entity usually affects the neck, trunk, and upper extremities. Three clinical patterns have been described: patches of fine wrinkles, perifollicular papular protusions, and persistent reticular erythema. We report a patient with disseminated MDE.
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329591/an-erythematous-papular-eruption-in-a-woman-with-crohn-disease-treated-with-infliximab
#13
Hannah E Howard, Jeffrey P Zwerner, Jeffrey Byers, Eric Tkaczyk
We report the case of a 44-year-old woman with a history of Crohn disease treated with infliximab who presented with erythematous papules and plaques on the upper extremities accompanied by fevers. She was subsequently diagnosed with palisaded neutrophilic and granulomatous dermatitis (PNGD). Whereas immune-complex mediated diseases such as rheumatoid arthritis and systemic lupus erythematosus are most commonly associated, inflammatory bowel disease deserves increased consideration as one of the systemic diseases that can present with PNGD...
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329589/superficial-angiomyxoma-of-the-nipple-a-case-report-of-an-infrequent-cutaneous-tumour
#14
Ana Mercedes Victoria Martínez, José Luis Sánchez Carazo, Victor Alegre de Miquel
Superficial angiomyxoma is a distinctive cutaneous soft tissue neoplasm that is clinically variable, infrequent, and benign. However, this tumor has a high propensity for local recurrence. There is a known association of angiomyxomas with Carney complex. We report a case of superficial angiomyxoma in a 28-year-old woman who presented with an erythematous, mul-tilobulated nodule on the nipple. This tumor has a predilection for the trunk, head and neck, extremities, and genitalia. The present case, hence, is unusual, because the lesion developed on the nipple...
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329565/dermatological-clues-to-the-diagnosis-of-atypical-complete-digeorge-syndrome
#15
Lucia Seminario-Vidal, Lauren Kole, Charles Knapp, Prem Fort, Suthida Kankirawatana, T Prescott Atkinson, Kristopher M McKay, Amy Theos
Atypical complete DiGeorge syndrome (DGS) is an extremely rare congenital disease characterized by an eczematous dermatitis, lymphadenopathy, and an oligoclonal T-cell proliferation. Because its initial presentation may be confused with other types of eczematous dermatitis, diagnosis and treatment are usually delayed. We describe herein a case of an infant with atypical complete DGS to draw attention to the clinical and histopathological findings that lead us to the diagnosis.
November 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329554/eosinophilic-dermatosis-of-hematologic-malignancy
#16
Kathryn Martires, Shields Callahan, Vitaly Terushkin, Nooshin Brinster, Marie Leger, Nicholas A Soter
We report a 68-year-old woman with chroniclymphocytic leukemia, who developed numerous,pruritic, edematous, and vesicobullous skin lesionsof the face and extremities over the course of severalmonths. The diagnosis of eosinophilic dermatosis ofhematologic malignancy (EDHM) was made basedon the clinical history and histopathologic features.Owing to the possible link between EDHM and amore aggressive underlying CLL, she was startedagain on chemotherapy. This case serves as areminder that, although the precise pathogenesis ofEDHM remains unclear, the paraneoplastic disorderis the result of immune dysregulation...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329542/silicone-granulomas-with-ulcers
#17
Lisa R Rothman, Randie H Kim, Shane A Meehan, Alisa Femia
We present a 42-year-old transgender womanwith woody induration over her buttocks andlower extremities as well as persistent ulcers of thebuttocks. The lesions developed ten years prior to herpresentation and approximately five years after shereceived illegal silicone injections to her buttocks.Histopathologic examination was consistent witha silicone granuloma. Silicone granuloma is a notan uncommon side effect of silicone injections andmore often occurs when the filler is administeredby non-physician practitioners, as is the case in thispatient...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329540/acral-keratoses-and-squamous-cell-carcinomas-likely-associated-with-arsenic-exposure
#18
Amelia K Hausauer, Rachel Hoffmann, Vitaly Terushkin, Shane A Meehan, Alisa N Femia, Miriam Keltz Pomeranz
Chronic arsenic exposure is known to inducepunctate keratoses with an increased risk ofprimary squamous-cell carcinoma. Drinking wateris currently the major source of arsenic exposureworldwide and is considered one of the mostsubstantial environmental carcinogens. We describethe case of a 61-year-old Hungarian woman withscattered, acral, hyperkeratotic papules and a historyof five palmoplantar squamous-cell carcinomasas well as two other extremity non-melanomaskin cancers. Prior to immigration, she had livedin a county of Southern Hungary that is known tohave elevated concentrations of inorganic arsenicin the drinking water above the World HealthOrganization's current maximum threshold forsafety...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329533/scrotal-lymphangioma-circumscriptum
#19
Hao Feng, Randie H Kim, Nooshin Brinster, Roger Ho, Miriam Keltz Pomeranz
Lymphangioma circumscriptum (LC) is anuncommon, benign, cutaneous disorder thatinvolves lymphatic dilatation to cause vesicularand papular lesions on the trunk, extremities, andanogenital areas. It may be a diagnostic challengewhen appearing in the anogenital region andoften is misdiagnosed and mistreated as infectiousetiologies, which include molluscum contagiosumand condylomata accuminata. We report a healthy40-year-old man with a six-month history of aneruption of multiple, asymptomatic, scrotal papulesthat were diagnosed as lymphangiomas...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329524/anetodermic-pilomatricoma-clinical-histopathologic-and-sonographic-findings
#20
Igor Vázquez-Osorio, Susana Mallo García, Eloy Rodríguez-Díaz, Pablo Gonzalvo-Rodríguez
Pilomatricoma is a benign cutaneous tumor originatingfrom hair matrix cells. Anetodermic changes inthe skin overlying pilomatricomas are sometimesreported, although their precise mechanisms remainunknown. We present an unusual case of anetodermicpilomatricoma on the upper extremity of a 17-yearoldboy and report its clinical, histopathologic, andsonographic findings.
March 15, 2017: Dermatology Online Journal
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