ライフサイエンスコーパス: silica gel

1 two inorganic supports (aluminium oxide and silica gel).

2 LC) plates (alox, silica gel, reversed phase silica gel).

3 6-99%) after a simple filtration on a pad of silica gel.

4 mped through a column of a AgNO3-impregnated silica gel.

5 tion using 2-(2-pyridyl)ethyl-functionalized silica gel.

6 I Na-SG, retain the overall pattern of pure silica gel.

7 tand alone fashion, or supported on fluorous silica gel.

8 types permitting their partial separation on silica gel.

9 are equivalent to surface-immobilized 8HQ on silica gel.

10 ltration of the functionalized SWNTs through silica gel.

11 the skin boundary, and cast with transparent silica gel.

12 substrates, fused silica and chromatographic silica gel.

13 mically the same as those on chromatographic silica gel.

14 n, chemisorption, and covalent attachment to silica gel.

15 t of a 4-oxopropargylic beta-keto ester with silica gel.

16 r alumina, as well as by (CH(3))(3)COOH over silica gel.

17 y using (ii) deactivated and (iii) activated silica gel.

18 was observed for co-immobilized enzymes onto silica gel.

19 roform extract by column chromatography over silica gel.

20 romatography over Sephadex LH-20, RP C18 and silica gel.

21 omatography (SEC) after pre-fractionation on silica gel.

22 gh-pressure-resting experiment on nanoporous silica gels.

23 e plutonium (up to 73%) on the humics-coated silica gels.

24 The batch sorption studies on silica gel (10 g/L) in the pH range 2.5 to 5 showed no s

25 tic digests separated on a ProteoChrom HPTLC Silica gel 60 F(254S) plate and a ProteoChrom HPTLC Cell

26 canadensis) root separated on a normal phase silica gel 60 F(254S) plate and peptides from protein tr

27 henolic compounds as markers was achieved on silica gel 60 F254 HPTLC plates with a solvent mixture o

28 l, various mobile phases were analyzed using silica gel 60 plates and the results were validated usin

29 When TLC quality control was performed on silica gel 60 plates, 4 mobile phases with suitable sepa

30 applied on HPTLC glass plates precoated with silica gel 60F254 by using Linomat semi-auto sampler.

31 Silica gel 60F254 HPTLC plates and two solvent systems v

32 Silica gel 60F254 HPTLC plates and two solvent systems v

33 Due to a high affinity of the catalyst to silica gel, a simple chromatography-free nitroaldol isol

34 icients (Kd) between water and humics-coated silica gels after 10 days exposure reached 1.6 x 10(4) L

35 mL disposable cartridge containing activated silica gel and a mixture of silica gel and sulfuric acid

36 n certain polar solvents, in the presence of silica gel and alumina, as well as in the solid state.

37 tially purified by solid-phase extraction on silica gel and by reverse-phase high-performance liquid

38 receptors was adsorbed onto C-18-derivatized silica gel and cleaved with cyanogen bromide.

39 ction using C18 and glass columns containing silica gel and florisil for USAE or only C18 for USAEME.

40 re compounds can be readily obtained through silica gel and fluoro-silica gel column chromatography,

41 ifluoroborates to unveil boronic acids using silica gel and H(2)O was developed.

42 cribing hydroxide ion adsorption behavior in silica gel and its control on interfacial polarizability

43 extract; the extract was fractionated using silica gel and ODS column chromatography to isolate the

44 nation of an extract of Maieta guianensis by silica gel and reverse-phase chromatography yielded two

45 aining activated silica gel and a mixture of silica gel and sulfuric acid.

46 concentration on interfacial polarization of silica gel and well-sorted sand, we found a significant

47 column packed with eight layers (i.e., soil, silica gel, and 0.2-4 mm glass beads).

48 spersing a freeze-dried fish (1-g) in 2-g of silica gel, and packed with 1-g of Florisil, and then th

49 Conventional adsorbents, namely zeolites and silica gel, are often used to control humidity by adsorb

50 here composition of 10% O(2) - 10% CO(2) and silica gel as an adsorbent, extended the shelf-life of t

51 s reactivity toward CN(-) on a thin layer of silica gel as well as on Whatman No.

52 encapsulation of colloidal gold particles in silica gel, as proposed by previous studies.

53 A silica gel assisted cyclization of a nagelamide J analog

54 Herein, a Cu(II)-catalyzed and silica gel-assisted multicomponent reaction (MCR) betwee

55 Liquid Na-K alloys added to silica gel at room temperature (stage 0) or heated to 15

56 ated biphenyls (PCBs) in XAD and of water in silica-gel, both under quasi wind-still condition and wi

57 ity: very acidic solutions (pH < 0) condense silica gels but achieve ~ 90 % REEs recovery, whereas mi

58 tion of trace amounts of quartz in amorphous silica gels by NMR spectroscopy was developed and tested

59 ed Pu was remobilized from the humics-coated silica gels by treatment with dissolved humic materials

60 was cleaned by solid phase extraction using silica gel C-18 and DSC-SCX cation-exchange resin.

61 hion by the use of calcium metal impregnated silica gel (Ca@SiO(2)) as a remarkable reducing reagent.

62 apphyrin subunits covalently tethered to the silica gel came from solid state 31P NMR spectroscopic a

63 il samples by using a solid-phase extraction silica-gel cartridge and then directly analysed by GC on

64 The resulting NbCl(x)-silica gel catalyst exhibits an average benzene selectiv

65 n oxazine ring, allows for implementation of silica gel catalyzed ketone exchange in benzobisoxazine,

66 is of tricyclic benzobisoxazines, based upon silica gel-catalyzed formation of two 3,1-oxazine rings,

67 signals for other lipids, a minicolumn of a silica gel cation exchanger was used to adsorb the catio

68 A transparent backing thin layer silica gel chromatographic plate impregnated with 8-amin

69 Silica gel chromatographic separation of the methanol ex

70 The complex is stable to silica gel chromatography (hexanes/ethyl acetate), dilut

71 roboronates are stable to air, moisture, and silica gel chromatography and can be easily handled with

72 to generate derivatives that are purified by silica gel chromatography and converted to the desired c

73 ted nucleoside triphosphates are purified by silica gel chromatography and converted to their desired

74 lyst, these model compounds are separable by silica gel chromatography and readily form single crysta

75 Chiral allylboronates could be purified by silica gel chromatography and stored in the freezer with

76 ly, with high purities affordable via simple silica gel chromatography only.

77 synthesis, isolation, purification (routine silica gel chromatography), and spectroscopic characteri

78 dergoes an intramolecular cyclization during silica gel chromatography, affording a thiazolidinium sa

79 ivity; this activity was further enriched by silica gel chromatography.

80 are air-stable and can be easily purified by silica gel chromatography; in contrast, secondary allylb

81 tions including low pH aqueous solutions and silica gel chromatography; the di-tert-butylfluorosilyl

82 3) DCM extract with hydrocarbons isolated by silica gel cleanup (DCM-SGC).

83 ns" using USEPA Methods 3510/8015B, unless a silica gel cleanup step is used to separate nonpolar hyd

84 f tropane derivatives included separation on silica gel-coated HPTLC plates using mobile phase consis

85 solvent blue 35 separated and eluted from a silica gel-coated rotor using toluene.

86 Steroidal alkaloid analysis employed silica gel-coated TLC plates, mobile phase composed of c

87 We have developed a silica gel column chromatographic method for purificatio

88 by means of alkaline hydrolysis followed by silica gel column chromatography of the unsaponifiable f

89 es basic organic synthesis equipment, and no silica gel column chromatography or NMR spectroscopy is

90 also requires isolation of sphingolipids by silica gel column chromatography prior to LC-ESI-MS/MS a

91 Bioguided fractionation using silica gel column chromatography, HPLC, and GC-MS analys

92 adily obtained through silica gel and fluoro-silica gel column chromatography, without any need to us

93 tion was further chromatographed on a packed silica gel column eluted with pentane and diethyl ether

94 ctrometry was used to identify components of silica gel column fractions.

95 acts are separated into these classes with a silica gel column.

96 lcite precipitation reaction fronts within a silica gel column.

97 mixture were isolated by fractionation on a silica-gel column and incorporated into the membranes of

98 ers (pH, flow rates, amounts of the modified silica gel, concentration and type of eluent, volume of

99 sing materials (based on aluminium oxide and silica gel) containing pH indicators, Lewis acids and an

100 Silica gel converts bromide 9 into a disulfide-substitut

101 film over nanosphere (AgFON) substrates and silica gel coupled with citrate-reduced Ag colloids.

102 oleum asphaltene sample is fractionated by a silica-gel cyclograph.

103 lant, dimethyl methylphosphonate sorbed onto silica gel (DMMP/SG), using direct analysis in real time

104 induced polarization (SIP) measurements of a silica gel during a pH dependent surface adsorption expe

105 del systems of polyethylene glycol (PEG) and silica gel, F-PTIR enabled the characterization of chemi

106 ted by precipitation or through conventional silica gel flash chromatography.

107 substrates, including silica nanoparticles, silica gel, flat glass slides, and related inorganic oxi

108 To measure slow desorption from silica gel, fluorescence movies of silica gel particles

109 umn with 2mm ID that was tightly packed with silica gel followed by alumina.

110 enantiomer of the target racemic analyte to silica gel, followed by incubation of each resulting sta

111 tion using 2-(2-pyridyl)ethyl-functionalized silica gel, followed by reversed-phase semipreparative h

112 ocol that requires inexpensive K(2)CO(3) and silica gel for direct access to polysubstituted indenes

113 The optimized method employed only 1g of silica gel for dispersion and elution with 70% ammonium

114 uce geochemical changes capable of mediating silica gel formation and assess the effect of treatment

115 dent properties of amorphous nanopowder (not silica gel) formed by grinding of quartz can cause extre

116 The separation is achieved on silica gel H in a solvent system consisting of methylace

117 in in single crystals or by encapsulation in silica gels has provided a demanding set of data to test

118 on products/intermediates (ChOX) by means of silica gel high-performance thin layer chromatography wi

119 ive glass scaffolds, this layer comprises of silica gel, hydroxyapatite (HA)/carbonated hydroxyapatit

120 alkenones based on double-bond numbers using silica gel impregnated with silver nitrate.

121 uminum and dry, high-surface-area (500 m2/g) silica gel in a mixed slurry was studied using multinucl

122 romatographies on carboxymethyl-Sephadex and silica gel in chloroform and methanol.

123 The rate of water uptake by silica-gel increased with wind speed, following a logari

124 e oxidation products were fractionated using silica gel into non-polar (NP), mid-polar (MP) and polar

125 ia "volatilizable" aminoalkyl functionalized silica gels is presented.

126 zation is uncertain, but they may add to the silica gel lattice, or form an "electride-like plasma" n

127 compact green band at the confluence of the silica gel layer with alumina layer.

128 of open-source packages, 3D printing of thin silica gel layers is demonstrated as proof-of-principle

129 synthetic ecosystem by co-encapsulation in a silica gel matrix, which enabled precise control of the

130 (PDA) vesicles embedded within a transparent silica-gel matrix.

131 A microbe-encapsulated silica gel (MESG) biosorbent was synthesized through sol

132 xidase immobilized on magnetite covered with silica gel modified propylamine is described.

133 t different redox probes trapped in hydrated silica gel monoliths and evaluate the extent of surface

134 eduction have been developed using sodium in silica gel (Na-SG), a free-flowing powder that can be ea

135 mprovement and the formation of a semi-solid silica gel occurs over time at a rate controlled by susp

136 to the corresponding oxides 2 by OXONE over silica gel or alumina, as well as by (CH(3))(3)COOH over

137 ch is stable under air and chromatography on silica gel or neutral alumina.

138 bis-allylic esters proved to be sensitive to silica gel or other adsorbents, all of the esters examin

139 adicals are robust; they do not decompose on silica gel or react with O2 and are stable at 35 degrees

140 product by either column filtration through silica gel or via aqueous workup.

141 OXONE over silica gel or, in some cases, alumina has been found to

142 ion of other reaction media such as mercury, silica gel, or inert salts as for previous procedures, a

143 lar (SDS) solution and on the surface of the silica gel, or via axial ligation in aqueous buffer at p

144 l cellulose (EC) and an organically modified silica gel ("ormosil"; OS).

145 amperometric sensor consisting of a film of silica gel over an interdigitated microsensor electrode

146 The growth was harvested and stored in silica gel packages at different temperatures for up to

147 e (7-14 months) of the clinical specimens in silica gel packages, direct polymerase chain reaction de

148 tion from silica gel, fluorescence movies of silica gel particles are used.

149 Submicrometer-sized silica gel particles were coated with a polyanion and a

150 terials for RPLC generally consist of porous silica-gel particles functionalized with n-alkane ligand

151 ics of water vapor uptake from indoor air by silica gel placed inside cylindrical PAS of various conf

152 pain medication separated on a normal-phase silica gel plate.

153 Tomato samples were analyzed using silica gel plates and direct-infusion electrospray-ioniz

154 systems showed equivalent separation on ITLC silica gel plates, with ITLC analysis finished within 5

155 on instant thin-layer chromatography (ITLC) silica gel plates.

156 on of the target dendrimer requires a single silica gel plug filtration.

157 Encapsulation of hemoglobin (Hb) in silica gel preserves structure and function but greatly

158 rium-labeled carbodiimide/zwitterion through silica gel prior to heating results in clean deuterium t

159 el addition, intramolecular cyclization, and silica gel-promoted nucleophilic substitution reactions

160 obilize the identified chiral selectors onto silica gel proved important in the chiral separation; a

161 d by adsorbing both substrate and ozone onto silica gel, providing a solvent-free oxidation method.

162 e oils was modified by enzymatic hydrolysis, silica gel purification and application of various refin

163 acyl substituent that easily migrates during silica gel purification.

164 controlling the electrical properties of the silica gel (R(2) = 0.99) and confirms the importance of

165 e hydrolytic workup or by filtration through silica gel, rather than by chromatography, as required f

166 Exposure of Zn-pbp-Mg to silica gel results in selective demetalation, affording

167 hin layer chromatography (TLC) plates (alox, silica gel, reversed phase silica gel).

168 nsists of using a sulphuric acid-impregnated silica gel (SAISG) glass column to eliminate the fat mat

169 (with subsequent heating) into the pores of silica gel (SG) at loadings up to 40 wt %.

170 the PC columns was compared to conventional silica gel (SG) columns for the purification of nucleic

171 shows that PC-based purification outperforms silica gel (SG)-based purification by enabling a higher

172 silica gel to pi-electron acceptor modified silica gel showed the best cleanup properties.

173 nce of 3-(1-piperidino)propyl-functionalized silica gel (SiO2-Pip) enables an effective two-pot trans

174 solated by an in-house packed small particle silica gel SPE and analyzed by GC-FID.

175 The resultant impregnated silica gel species were solid and insoluble in the react

176 A sapphyrin-modified silica gel support for use in high-performance liquid ch

177 of active catalytic species on a mesoporous silica gel support.

178 The use of the wet silica gel supported organocatalyst, under solvent-free

179 Silica gel supported pyrolysis of an azido-homo-oxa ster

180 no acid structure, the base used [MeONa or a silica gel-supported piperidine (SiO(2)-Pip)], and the m

181 ed as deprotonation of silanol groups on the silica gel surface followed by sorption of sodium cation

182 eous PBS buffer, in bovine serum, and on the silica gel surface that lead to minimum detection limits

183 Sorption of sodium on silica gel surfaces was monitored as the pH of a column

184 rangement of adducts bearing amino groups on silica gel that triggered further cyclization to five-me

185 Alkali metals in silica gel (the Na(2)K-SG(I) reagent) cleanly effect Bir

186 For silica gel, the relative population of DiI on this ultra

187 onates and their unusual binary affinity for silica gel, the synthesized regio- and sequence-defined

188 onded and lone (17)O sites on the surface of silica gel; the one-dimensional spectrum of which could

189 Surprisingly, when adsorbed in silica gel, these compounds exhibit photochromism at roo

190 and 22 partially decompose upon exposure to silica gel, they can be trapped in situ, with a variety

191 tial migration of arginine and citrulline on silica gel thin-layer chromatography (TLC) with the spec

192 It was covalently bonded to silica gel through a urea linkage to an attached d-valin

193 sapphyrin monocarboxylic acid to aminopropyl silica gel through an amide bond.

194 When fabricated within silica gel TLC plate, the fluo-spot sensor features high

195 the SPE technique is comparable with that of silica gel TLC.

196 ld be cyclized with PhSCl in the presence of silica gel to generate the desired 5-endo tetracyclic pr

197 Coupling of silica gel to pi-electron acceptor modified silica gel s

198 ell molds were prepared by FDM and cast with silica gel to simulate soft tissues, with contrast enhan

199 Here, we use silica gels to trap protein conformations and a new kind

200 ds were coupled on functionalized aminoalkyl silica gels using a standard DIC/HOBt coupling protocol.

201 isolated through column chromatography over silica-gel using hexane-EtOAc solvent system as the elue

202 or form an "electride-like plasma" near the silica gel walls.

203 The adsorption capacity of modified silica gel was 5.90mgg(-1).

204 isolated in 86% yield, which on exposure to silica gel was converted to 32 in essentially quantitati

205 tachment of functionalized calix[4]arenes to silica gel was demonstrated, which afforded a solid mate

206 After a strategic investigation, silica gel was discovered to be the cause of the byprodu

207 Silica gel was modified with 2,6-diamino-4-phenil-1,3,5-

208 aration of diarylated products on an achiral silica gel, we observed a rare phenomenon: the diarylate

209 n retention characteristics of this modified silica gel were tested by exploring the extent to which

210 Finally, silica gel, when coupled with excess equivalents of Me3S

211 le but becomes accessible in the presence of silica gel, which acts as a proton shuttle.

212 Using resonance Raman (rR) spectroscopy in silica gel, which greatly slows protein motions, we have

213 Separation was performed on silica gel with a mixture of n-hexane, ethyl acetate and

214 f functionalizing commercial aminopropylated silica gel with aminooxyalkyl functions to enable captur

215 erials were prepared by silylation of porous silica gel with monochlorosilane derivatives containing

216 rity fractions were rapidly filtered through silica gel, with the solvent being removed in vacuo, hea

217 adily purified by column chromatography over silica gel without the need for chiral separation, thus

218 resumably affords the aldehyde upon water or silica gel workup.

219 r irradiance, and desiccant materials (e.g., silica gel, zeolite, metal organic frameworks).