نتایج جستجو برای: challenge treatment cr

تعداد نتایج: 1623223  

Journal: :Environmental science & technology 2003
Julie A Howe Richard H Loeppert Victoria J DeRose Douglas B Hunter Paul M Bertsch

Optimization of phytoremediation and assessment of potential health hazards from metals in the environment requires an understanding of absorption, localization, and transport of the target metal by plants. The objectives of this study were to localize Cr and determine the oxidation state and possible complexation mode of Cr in intact plant tissue by means of XANES, synchrotron XRF microprobe s...

2017
Hironari Hanaoka Hidehiro Yamada Tomofumi Kiyokawa Harunobu Iida Takeshi Suzuki Yoshioki Yamasaki Seido Ooka Hiroko Nagafuchi Takahiro Okazaki Daisuke Ichikawa Sayuri Shirai Yugo Shibagaki Junki Koike Shoichi Ozaki

BACKGROUND Lupus nephritis class III or IV is associated with a poor prognosis for both patient and renal survival. Recommendations for the management of lupus nephritis have recently been established, and changing therapies is recommended for patients who do not respond adequately to induction therapy. However, it remains a major challenge to determine when to switch the treatment. In this stu...

Journal: :Molecules 2015
Shan Zheng Wenjun Jiang Mamun Rashid Yong Cai Dionysios D Dionysiou Kevin E O'Shea

The highly toxic Cr(VI) is a critical component in the Chromated Copper Arsenate (CCA) formulations extensively employed as wood preservatives. Remediation of CCA mixed waste and discarded treated wood products is a significant challenge. We demonstrate that UV/TiO2 photocatalysis effectively reduces Cr(VI) to less toxic Cr(III) in the presence of arsenate, As(V), and copper, Cu(II). The rapid ...

2008
Suresh Gupta

Cr(VI) is a highly toxic metal ion and considered a priority pollutant released from various chemical industries. Treatment methods to remove Cr(VI) from water and wastewater include chemical precipitation, ion exchange, membrane separation, electro-coagulation and reduction. These methods are not economically viable for large scale treatment of wastewater that is rich in Cr(VI). Adsorption is ...

Journal: :Blood 2009
Jean-Luc Harousseau Michel Attal Herve Avet-Loiseau

In multiple myeloma (MM), the impact of complete response (CR) could be shown only after introduction of high-dose therapy plus autologous stem cell transplantation (ASCT). In the context of ASCT, achieving CR (negative immunofixation and normal bone marrow) or at least very good partial response is associated with longer progression-free survival and in most studies longer survival. With novel...

Journal: :world journal of plastic surgery 0
feizollah niazy department of plastic surgery, shahid beheshti university of medical sciences, modaress hospital, tehran, iran khalil rostami department of plastic surgery, shahid beheshti university of medical sciences, modaress hospital, tehran, iran amir reza motabar department of plastic surgery, shahid beheshti university of medical sciences, modaress hospital, tehran, iran

giant condylomata are not usually seen nowadays in developed nations, but such cases are still seen in the under-resourced countries. condylomata acuminata are commonly transmitted through sexual intercourse. generally diagnosed based on their appearance. giant condyloma acuminata also named buschke- löwenstein tumour (blt) is a slow growing cauliflower-like tumor, locally aggressive and destru...

Journal: :international journal of environmental research 0

in the present study, an indigenous medicinal plant, tridax procumbens (asteraceae) was used as bioadsorbent for the removal of cr (iii) ions from synthetic wastewater and the method was also applied for real sample analysis. the biosorption of cr (iii) was a two-stage batch reactor process. in the first stage, raw biomaterial was used to the conversion of cr (vi) into cr (iii). the amount of t...

Journal: :Journal of animal science 1999
L R Gentry J M Fernandez T L Ward T W White L L Southern T D Bidner D L Thompson D W Horohov A M Chapa T Sahlu

Thirty-two Suffolk wether lambs were fed for 84 d in a 2 x 2 factorial experiment using two levels of dietary protein (9.0 to 12.1% CP, low protein, LP; or 12.8 to 14.4% CP, high protein, HP) and supplemental Cr (none, C; or 400 ppb Cr as chromium tripicolinate, Cr). At 14- to 21-d intervals, lambs were weighed, and jugular blood samples were collected. Mean ADG and carcass weight (P > .10) did...

Journal: :JDDG: Journal der Deutschen Dermatologischen Gesellschaft 2013

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