نتایج جستجو برای: alkali treatment

تعداد نتایج: 1408996  

Journal: :The Journal of Experimental Medicine 2003
J. H. Means A. V. Bock M. N. Woodwell

Carbon dioxide diagrams (Haggard and Henderson (9)) have been constructed for the blood of a series of hospital patients as a method of studying disturbances in their acid-base equilibrium. A diabetic with a low level of blood alkali, but with a normal blood reaction, a compensated acidosis in other words, showed a rapid return towards normal with no treatment but fasting and increased water an...

Journal: :Journal of vector ecology : journal of the Society for Vector Ecology 2013
David A Popko William E Walton

The impact of emergent macrophyte species and crepuscular sprinkler disturbance on mosquito abundance over a 2-year period was measured in wetland mesocosms. Mosquito oviposition and abundance of immature mosquitoes and aquatic invertebrates were monitored in monotypic plots of small-stature (height of mature stands <1.5 m) alkali bulrush (Schoenoplectus maritimus) and large-stature (height of ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1977
R B Hochberg L Bandy L Ponticorvo S Lieberman

Bovine adrenal cortical tissue contains a lipoidal derivative of pregnenolone (3beta-hydroxy-pregn-5-en-20-one) from which the free steroid can be liberated by treatment with alkali. Evidence for the presence of such an entity comes from examination of a nonpolar extract of tissue from which pregnenolone and its sulfate had been removed by chromatography. Treatment of the nonpolar fraction with...

2017
Xingyan Huang Cornelis F. De Hoop Feng Li Jiulong Xie Chung-Yun Hse Jinqiu Qi Yongze Jiang Yuzhu Chen

Microwave-assisted liquefaction of rape straw in methanol was conducted to collect the liquefied residues for the extraction of cellulose nanocrystals (CNCs). The liquefied residue with content of 23.44% from 180C/7.5min was used to fibrillate CNCs with dilute alkali (2% NaOH) and hydrogen peroxide (5% H 2 O 2 ) treatments, followed by ultrasonication for 15min. The FT-IR spectra and SEM images...

2015

In this study, microcrystalline cellulose (MCC) was extracted from oil palm empty fruit bunch (EFB) cellulose which was earlier isolated from oil palm EFB fibre. In order to isolate the cellulose, the chlorination method was carried out. Then, the MCC was prepared by simultaneous ultrasonic and alkali treatment from the isolated α-cellulose. Based on mass balance calculation, the yields for MCC...

Journal: :The British journal of ophthalmology 1997
A Oether

BACKGROUND Ocular alkali burns can be associated with a poor visual outcome. The release of collagenases and proteases after the injury leads to corneoscleral melting. The role of topical steroids in such patients is controversial as they have been postulated to exacerbate corneoscleral melting. METHODS 30 patients were reviewed retrospectively after admission to King's College Hospital with ...

Journal: :Bioresource technology 2013
Mika Henrikki Sipponen Catherine Lapierre Valérie Méchin Stéphanie Baumberger

Sequential fractionation of extractive-free maize stems was carried out using two mild alkaline extractions (0.5 and 2 M NaOH, 20°C, 24h) before and after endoglucanase treatment. This procedure provided two lignin-carbohydrate fractions (LC1 and LC2) recovered after each alkali treatment. LC1 and LC2 contained 39% and 8% of the total lignin amount, respectively. These two fractions contained s...

2017
Daniel Garcia-Garcia Luis Quiles-Carrillo Nestor Montanes Vicent Fombuena Rafael Balart

Highly environmentally-friendly fibreboards were manufactured by hot-press moulding using Posidonia ocaeanica wastes and a partially biobased epoxy resin as binder. Fibreboards with a constant fibre content of 70 wt % were successfully manufactured by thermo-compression. The effects of a conventional alkali treatment were compared to the synergistic effects that additional silanization with two...

Journal: :The Journal of veterinary medical science 2006
Eiko Koujitani Tomoko Horisaka Yoshihiro Nomura Yukiko Hara-Kudo Alexandre Tomomitsu Okatani Taketoshi Iwata Susumu Kumagai Hideki Hayashidani

To develop an effective method to isolate an injured pathogenic Yersinia enterocolitica O:8 organism from environmental samples, we compared the isolation of freeze-injured and non-injured Y. enterocolitica O:8 and found that the isolation was more successful when immuno-magnetic separation (IMS) with anti-Y. enterocolitica O:8 antibody was used. Plating onto cefsulodin-irgasan-novobiocin (CIN)...

Journal: :The Journal of biological chemistry 1990
S P LeDoux N J Patton J W Nelson W A Bohr G L Wilson

DNA damage and repair were studied in a DNA fragment containing the insulin gene after treatment of cells with methylnitrosourea. For these studies, two clonal isolates from the same rat insulinoma cell line which differ in that the insulin gene is transcribed in one (RINr 38) and is silent in the other (RINr B2) were utilized. Both the determination of immunologically reactive insulin released...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید