Humic acid (HA) is a complex organic matter found in the environments, especially in grassland soils ... recently reported that a polymeric product from fungal laccase-mediated oxidation of catechol and vanillic acid
acid, kaoliniteamericium and humic acid-americium were investigated. ... acid on the kaolinite were carried out with varying concentration of humic acid and ion strength, and ... Also, with varying pH, the adsorption reactions of the americium-kaolinite and americium-humic acid were
acid were investigated by using UV-Vis spectrophotometry and time-resolved laser-induced fluorescence ... complex formation reactions between uranium(VI) and 2,6-dihydroxybenzoate (DHB) as a model ligand of humic
Humic acid (HA) is known to consist of various kinds of polymeric organics, their detailed structures ... Recently, we have manufactured a co-polymeric product of catechol and vanillic acid (CAVA) synthesized
Humic acid has been extracted and purified from biologically nondegradable humic substances. ... Using the ion exchange capability of carboxylic acids which are the main component of the humic acids ... In this regards, humic acid may be used as a new material for ion exchange membranes. 한국막학회 멤브레인 이용택
Therefore, this study was focused on the FO fouling with model foultants (humic acid, alginate) by altering ... In the comparison between humic acid and alginate, as expected, the alginate generally caused more severe
In this research, the characteristics of aluminium coagulation of humic acids and humic acids were investigated ... UV-254 absorptiometry for measuring the concentration of aquatic humic acids showed good applicability ... in aluminium coagulant dosage could enhance the removal rate of humic acids in the wide pH range. 3.
However, the UV254 removal of humic acid was improved in the presence of both calcium and inorganic silica ... Scanning electron microscopic observations showed that humic acid was adsorbed onto the surface of inorganic ... This may be caused by back-transport of humic acid enhanced by inorganic silica particles providing surface
환경시료에는 이온과 humic acid 같은 (+)를 띄는 물질이 많기 때문에 DNA와 protein에 binding하는 것을 방지하는 역할을 한다. ... Extracted DNA의 purity를 확인하기 위해 absorbance ratios at 260 nm/230 nm (DNA / humic acids) 와 260 nm/280 nm ... Vandeventer, DNA Adsorption to and Elution from Silica Surfaces: Influence of Amino Acid Buffers, J Phys
Humic material composed with humic acid(20%) and fulvic acid(56%), and it's rate changed to 18 and 50% ... A experimental water in the pilot plant composed with humic material(78%).
The foulants used in the work were kaolin (inorganic) and humic acid (organic). ... acid decreased at higher temperatures, which means that TC-TMP cannot be used as a fouling index when ... resistance with kaolin was constant regardless of temperature change while organic fouling resistance with humic
최근에 Hayakawa가 보고한 HV(Humic acid-Vitamin) arar 배지가 방선균을 선택적으로 분리하는데 적당한 배지로 판단되는데 이는 토양생태계의 유기물 분해 과정에 ... 토양시쵸 10점을 공시하고 방선균 분리배지로서 Ben-net agar, humic acid-vitamin agar, glycerol-as-paragine agar 등 세 가지 배지를 ... 때 현재, 응용미생물학에서는 중요한 균군으로 되고 있다 *Streptomyces 방선균 중에서 가장 대표적으로 속(genus)으로 세포벽에 L-DAP (diaminopimelic acid
고농도의 요소(urea)는DNA와 부식질 산(humic acid) 사이의 수소결합을 떨어지게 하는데 사용되었다. ... Steffan(1988)등은 PVPP에 의한 부식질 산(humic acid)의 제거가 DNA 순도를 크게 향상 시키지만, DNA의 회수를 약간 떨어뜨리는 것을 발견하였다.
acid and biologically treated wastewater and water temperature on the removal rate, consequently to ... experimentally investigated to see the effects of background water quality such as ultrapure water, humic ... acid and biologically treated wastewater background was markedly reduced to the range of 59.8%~99% and
Recent Engineered nanoparticles were increasingly exposed to environmental system with the wide application and production of nanomaterials, concerns..
수중에서 Colloid 상태로 존재하는 humic acid는 정수처리 과정에서 쉽게 제거되므로 전구물질로 문제시 되지는 물질은 fulvic acid라고 한다. ... THMs의 생성정도는 반응 시간이 길수록, pH가 높을수록, humic acid 양이 많을수 록, 체류시간이 길수록 높아진다.
Fulvic acid, a humic substance with unique properties, has sparked interest due to its potential applications ... Fulvic acid was extracted from both S. cerevisiae-treated and untreated white peats using acid precipitation ... The yield of fulvic acid from the S. cerevisiae treated group reached its highest at 3.5 % after 72 hr
멤브레인 강제 오염 을 위해 Humic acid sodium, Bovine serum albumin, Sodium alginate 약품을 사용하여 유기물 오염을 시켰다. ... First, the membrane was forced the pollute using known organic pollutants such as Humic acid, Bovine