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poly vinyl alcohol grafted ethylene glycol kollicoat ir

Báo cáo hóa học:

Báo cáo hóa học: "Nanophotothermolysis of Poly-(vinyl) Alcohol Capped Silver Particles" docx

Hóa học - Dầu khí

... the above beaker under vigorous stirring This solution was used as the reference colloid Then PVA capped samples were prepared by inserting wt% of poly- (vinyl) alcohol to the reaction mixture instead ... nanoparticles [6, 8–10] Poly( vinyl) alcohol (mp & 230 °C) is expected to be more effective in the above two processes than that of sodium dodecyl sulfate (mp & 200 °C) When the laser irradiation 123 ... Nanoscale Res Lett (2008) 3:164–167 165 Chemicals Co., Ltd.) as reductant, poly- (vinyl) alcohol (1,500) (98.0%, Showa Chemical Co., Ltd.) as a stabilizer and AgClO4 Á H2O (99.999%,...
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NGỘ ĐỘC ALCOOLS : ETHYLENE GLYCOL, METHANOL VÀ ISOPROPYL ALCOHOL pps

NGỘ ĐỘC ALCOOLS : ETHYLENE GLYCOL, METHANOL VÀ ISOPROPYL ALCOHOL pps

Cao đẳng - Đại học

... METHANOL VÀ ETHYLENE GLYCOL TƯƠNG TỰ NHAU NHƯ THẾ NÀO ? Methanol ethylene glycol khởi đầu chuyển hóa ADH Methanol tiếp tục chuyển hóa thành formic acid, ethylene glycol chuyển hóa thành glycolic ... tăng cao, xét đến ngộ độc alcohol, methanol hay ethylene glycol Nếu có osmolal gap bất thường anion gap, xét đến ngộ độc isopropyl alcohol 10/ METHANOL VÀ ETHYLENE GLYCOL ĐỘC NHƯ THẾ NÀO ? Tử ... MUD PILES A = Alcohol M = Methano U = Uremia D = Diabetic acidosis P = Paraldehyde I = Iron, Isoniazid (INH) L = Lactate E = Ethylene glycol S = Salicylate 7/ OSMOLAL GAP (TROU OSMOLAIRE) LÀ GÌ...
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Báo cáo y học:

Báo cáo y học: "Control of hyperuricemia in subjects with refractory gout, and induction of antibody against poly(ethylene glycol) (PEG), in a phase I trial of subcutaneous PEGylated urate oxidase" potx

Báo cáo khoa học

... Accelerated clearance of polyethylene glycol- modified proteins by antipolyethylene glycol IgM Bioconjug Chem 1999, 10:520-528 33 Richter AW, Akerblom E: Polyethylene glycol reactive antibodies ... neutral soluble polymers Bioconjug Chem 2001, 12:515-522 31 Richter AW, Akerblom E: Antibodies against polyethylene glycol produced in animals by immunization with monomethoxy polyethylene glycol modified ... with polyethylene glycol- modified adenosine deaminase N Engl J Med 1987, 316:589-596 26 Chaffee S, Mary A, Stiehm ER, Girault D, Fischer A, Hershfield MS: IgG antibody response to polyethylene glycol- modified...
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Báo cáo y học:

Báo cáo y học: " Novel multi-component nanopharmaceuticals derived from poly(ethylene) glycol, retro-inverso-Tat nonapeptide and saquinavir demonstrate combined anti-HIV effect" potx

Báo cáo khoa học

... the viral nucleocapsid protein zinc fingers J Med Chem 1999, 42:67-86 Larder BA: Viral resistance and the selection of antiretroviral combinations J Acquir Immune Defic Syndr Hum Retrovirol 1995, ... accelerated viral drug resistance? AIDS 2001, 15:1353-1358 Gunaseelan S, Debrah O, Wan L, Leibowitz MJ, Rabson AB, Stein S, Sinko PJ: Synthesis of poly( ethylene glycol) -based saquinavir prodrug ... of polyethylene glycol esters of hydrocortisone 21-succinate as ocular prodrugs Int J Pharm 1999, 182:79-92 Caliceti P, Veronese FM: Pharmacokinetic and biodistribution properties of poly( ethylene...
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báo cáo khoa học:

báo cáo khoa học: "Formulation of polylactide-co-glycolic acid nanospheres for encapsulation and sustained release of poly(ethylene imine)-poly(ethylene glycol) copolymers complexed to oligonucleotides" pptx

Báo cáo khoa học

... composed of branched poly( ethylene imine)-25000 (PEI25K) and methoxypoly (ethylene glycol) -5000 (mPEG5K) (Sigma-Aldrich, St Louis, MO, USA) were prepared using a two-step procedure [13] First, mPEG5K ... Kunath K, Stolnik S, Roberts CJ, Fischer D, Davies MC, Kissel T: Polyethylenimine-graftpoly (ethylene glycol) copolymers: influence of copolymer block structure on DNA complexation and biological activities ... Fischer D, Kissel T: Synthesis, Characterization, and Biocompatibility of Polyethylenimine-graftpoly (ethylene glycol) Block Copolymers Macromolecules 2002, 35:6867-6874 Petersen H, Fechner PM, Martin...
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Báo cáo khoa hoc:

Báo cáo khoa hoc:" Evaluation of triblock copolymeric micelles of δvalerolactone and poly (ethylene glycol) as a competent vector for doxorubicin delivery against cancer" doc

Báo cáo khoa học

... of synthesis of Poly( δ-valerolactone) /Poly( ethylene glycol) /Poly (δ-valerolactone) (VEV) copolymer using δ-valerolactone and poly( ethylene glycol) as monomers by ring opening polymerization using ... δ-Valerolactone (VL) (B) Poly (ethylene glycol) (PEG) and the synthesized copolymer VEV (C) Poly (δ-valerolactone) /Poly( ethylene glycol) /Poly( δ-valerolactone) (VEV) copolymer were recorded using ... δ-Valerolactone (VL) (B) Poly( ethylene glycol) (PEG) and the synthesized copolymer VEV (C) Poly( δ-valerolactone) /Poly( ethylene glycol) /Poly( δ-valerolactone) (VEV) copolymer were recorded in CDCl3...
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Synthetic poly(ethylene glycol) based hydrogels for biomedical applications

Synthetic poly(ethylene glycol) based hydrogels for biomedical applications

Cao đẳng - Đại học

... P(D,L)LA Poly( D, L-lactide) PDLA-CPC-PDLA Poly( D-lactide)-charged polycarbonate- poly( D-lactide) PEC Polyelectrolyte complex PEG Poly( ethylene glycol) PEG-AC Tetra acrylate-terminated PEG PEGDA Polyethelyne ... enantiomeric pure polylactide segments in the micelle cores (e) Scheme A.1 Synthetic schemes of VS-PEG-polycarbonate Scheme C.1 Typical synthesis of polylactide-b -poly( ethylene glycol) -b-polylactide ... Polyethelyne glycol diacrylate PEGDMA Polyethelyne glycol dimethacrylate PEGMA Polyethelyne glycol methacrylate xvii PEG-SH Tetra sulfhydryl PEG PEI Poly( ethylenimine) ROP Ring-opening polymerization...
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Evaluation of poly (ethylene glycol) grafting as a tool for improving membrane performance

Evaluation of poly (ethylene glycol) grafting as a tool for improving membrane performance

Tổng hợp

... N -Vinyl -2 - Pyrrolidone Polyamide Polyacrylonitrile Polyethylene Polyethylene glycol Polyethylene oxide Polyether sulfone Polyethylene terepthalate Polypropylene Porcine Pancreatic Lipase Polysulfone ... hydrophilic polymers such as cellulose acetate (CA), to hydrophobic polymers such as polypropylene (PP) and polyethylene (PE) Various polymers with intermediate hydrophilicity such as polysulfone ... acetate Polyethylene and polypropylene are very hydrophobic in nature Various polymers with intermediate hydrophilicity, such as the polysulfone (PS)/polyether sulfone (PES) family, polyacrylonitrile...
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Ethylene glycol

Ethylene glycol

Báo cáo khoa học

... Một số tính chất vật lí của ethylene glycol và dẫn xuất: Tên chất Diethylene glycol Trietylen glycol Tetraethylene glycol Công thức Monoethylene glycol HOCH2CH2OH H(OCH2CH2 ) 2OH H(OCH2CH2 ) 3OH H(OCH2CH2 ... dùng công nghiệp e Phản ứng epoxy hóa Ethylene glycol phản ứng với ethylene oxit để tạo thành di­ , tri­ ,  tetra ­ , và polyethylen glycol.  Tỷ lệ của các glycol tìm thấy trong  các sản phẩm phản ứng phụ thuộc vào loại xúc tác được xử dụng  ... alkyl: trình este hóa glycol với polyhydrit axit tạo sản phẩm polyeste, sau biến đổi để làm nguyên liệu cho ngành sơn;  Các loại nhựa polyeste (dạng sợi, màng polyeste, nhựa polyetylen terephtalat)...
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effect of water content of ethylene glycol as electrolyte for synthesis

effect of water content of ethylene glycol as electrolyte for synthesis

Vật lý

... oxidation of ethylene glycol in acidic and basic media has been investigated widely [24– 26] In the aqueous solution, the oxidation of ethylene glycol involves the following reaction steps: [25] Ethylene ... Ethylene Glycol ! Glycolaldehyde ! Glyoxal or Glycolic acid ! Glyoxylic Acid ! Oxalic acid ! Carbon dioxide: ð1Þ In acid media, predominant formation of glycolaldehyde (CH2OH–CHO) and glycolic ... reported 12 V as the limiting anodization potential in ethylene glycol; whereas, Paulose et al [12] anodized at 60 V using anhydrous ethylene glycol These different observations also could be related...
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Báo cáo khoa học: Reduction of S-nitrosoglutathione by human alcohol dehydrogenase 3 is an irreversible reaction as analysed by electrospray mass spectrometry pptx

Báo cáo khoa học: Reduction of S-nitrosoglutathione by human alcohol dehydrogenase 3 is an irreversible reaction as analysed by electrospray mass spectrometry pptx

Báo cáo khoa học

... studied stress the requirement for exact positioning of interacting groups in the substrate and the polypeptide chain Like the results for HMGSH, GSNO reduction was impaired by the replacement ... equipment and valuable help with HPLC This work was supported by the Alcohol Research Council of the Swedish Alcohol Retailing Monopoly, the Swedish Match and Karolinska Institutet 10 11 12 13 14 ... GSNO catalysed by ADH3 is clearly an irreversible reaction With these observations taken into account, the reaction may therefore be forced in the reductive direction thereby ÔoverridingÕ the influence...
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Báo cáo

Báo cáo "Thermomechanical characteristics of rigid poly(vinyl chloride) crosslinked by a peroxide in the presence of trimethylolpropane trimethacrylate " pdf

Báo cáo khoa học

... 77, P 2657 - 2666 (2000) T Hjertberg, R Dahl J Appl Polym Sci., Vol 42, P 107 (1991) H J Tai Polym Eng Sci., Vol 41, P 998 (2001) H J Tai Polym Eng Sci., Vol 39, P 1320 (1999) ... suggested that the increase in Tg also relates to the formation of graft copolymer, with relatively short bulky chains of poly- TMPTMA linking the PVC molecules and three-dimensional network These ... crosslinked PVC samples is 16oC The crosslinking and grafting of poly- TMPTMA chain radical on to PVC molecule to form graft copolymer, crosslinked structures as well as three-dimensional network...
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ethylene glycol assisted hydrothermal synthesis offlower like zno architectures

ethylene glycol assisted hydrothermal synthesis offlower like zno architectures

Cao đẳng - Đại học

... [25] The two polyhedral crystals are joined each other by the action of ethylene glycol, forms twinned crystals Similar observation was made by Zang et al in presence of polyvinyl alcohol [23] ... schematic diagram of flower like ZnO architecture prepared (a) absence of ethylene glycol and (b) presence of ethylene glycol Fig Raman spectrum of ZnO crystals Fig Room temperature PL spectrum ... the quantity of ethylene glycol is reduced to less than 20 ml On the other hand, the morphology of the ZnO is changed to hexagonal rods (Fig 2e and f) when the quantity of ethylene glycol is reduced...
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Báo cáo hóa học:

Báo cáo hóa học: " Synthesis of silicalite-poly(furfuryl alcohol) composite membranes for oxygen enrichment from air" docx

Hóa học - Dầu khí

... http://www.nanoscalereslett.com/content/6/1/637 is very important Polysulfones, polyarylates, polycarbonates, poly( arylethers), poly( arylketones), and polyimides are frequently used in industrial polymeric membrane gas separations ... from the substrate that consists of a polysulfone membrane supported on a polyethylene non-woven polyethylene fabric These peaks are mainly from the polyethylene fabric [26] For silicalite nanocrystals, ... authors (Wang et al.), poly( furfuryl alcohol) was used to prepare a zeolite 4A polyfurfuryl alcohol nanocomposite membrane by vapor deposition polymerization of furfuryl alcohol [FA] [11,12] This...
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Báo cáo khoa học:

Báo cáo khoa học: "Effect of ethylene glycol monoethyl ether on the spermatogenesis in pubertal and adult rats" pdf

Báo cáo khoa học

... Publication No 83-112: Glycol ethers, 2-methoxyethanol and 2-ethoxyethanol May 2, 1983 Foster, P M D., Creasy, D M., Foster, J R and Gray, T B J Testicular toxicity produced by ethylene glycol monomethyl ... ethers in the rat Environ Health Perspect 1984, 57, 207-217 Foster, P M D., Creasy, D M., Foster, J R., Thomas, L V., Cook, M W and Gangolli, S D Testicular toxicity of ethylene glycol monomethyl ... Park, C S., Lee, K H., Roh, H K and Cha, Y N Decreased formation of ethoxyacetic acid from ethylene glycol monoethyl ether and reduced atrophy of testes in male rats upon combined administration...
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Xác định hàm lượng Diethylene Glycol, Ethylene Glycol có trong kem đánh răng bằng phương pháp GC-MS potx

Xác định hàm lượng Diethylene Glycol, Ethylene Glycol có trong kem đánh răng bằng phương pháp GC-MS potx

Hóa học - Dầu khí

... 1,2-propanediol, 1,3-propanediol, diethylene glycol hay glycerin 1,2-Propanediol Start Time a (min) 4.0 Ethylene Glycol 6.6 1,3-Propanediol 7.5 Diethylene Glycol 9.0 Glycerin 12.0 Group 31 (11) ... giàu gồm có đại diện cho loại mẫu phân tích va làm giàu thêm chất phân tích (tức Diethylene glycol ethylene glycol) mức mg/g (hoặc 0.1 % trọng lượng) Phép phân tích mẫu phải thể chất có diện ... tử b - Sự nhận peak: Thời gian lưu gần phép phân tích: Chất 1,2-Propanediol Ethylene Glycol 1,3-Propanediol Diethylene Glycol Glycerin Thời gian lưu (min) 6.4 6.8 8.4 10.4 13.7 Chú giải Đây chất...
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Báo cáo y học:

Báo cáo y học: "Delayed ethylene glycol poisoning presenting with abdominal pain and multiple cranial and peripheral neuropathies: a case report" ppt

Báo cáo khoa học

... delayed sequela of diethylene glycol (Sterno) ingestion Neurology 2002, 59:1460-1463 10 Zhou L, Zabad R, Lewis RA: Ethylene glycol intoxication: electrophysiological studies suggest a polyradiculopathy ... Cook L, Mackay K: Ethylene glycol intoxication: Disparate findings of immediate versus delayed presentation W V Med J 2006, 102:32-34 Hess R, Bartels MJ, Pottenger LH: Ethylene glycol: an estimate ... to ethylene glycol ingestion Clin Pharmacol Ther 1997, 61:692-699 Hasbani MJ, Sansing LH, Perrone J, Asbury AK, Bird SJ: Encephalopathy and peripheral neuropathy following diethylene glycol ingestion...
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bài thuyết trình ethylene glycol

bài thuyết trình ethylene glycol

Hóa học - Dầu khí

... Tính chất hóa lý • Giới thiệu Ethylene glycol NỘI DUNG I Giới thiệu Ethylene glycol *Ethylene glycol : Tên thường gọi Glycol rượu hai nhóm chức đơn giản *Ethylene glycol ( IUPAC tên : etan-1,2-diol) ... liệu việc sản xuất sợi polyester, ngành công nghiệp vải nhựa polyethylene terephthalate Cấu trúc không gian Công thức cấu tạo II Tính chất hóa lý Tính chất vật lý Ethylene glycol chất lỏng không ... tử nên tách nước từ Ethylene glycol tạo axetandehit - Ngoài phản ứng có phản ứng hay sử dụng công nghiệp  Phản ứng Oxy hóa  Phản ứng tạo 1,3- dioxolan Phản ứng ethylene glycol orthofomates...
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