ライフサイエンスコーパス: quaternary ammonium

1 rpose were amines, amidines, guanidines, and quaternary ammonium.

2 t-activatable molecule acrylamide-azobenzene-quaternary ammonium (AAQ) to the eyes of mice with end-s

3 f the micropillars are functionalized with a quaternary ammonium aminooxy salt, [2-(aminooxy)ethyl]-N

4 Naloxone methiodide (a quaternary ammonium analog) caused a maximal up-regulati

5 tes we probed the Shaker K+ channel with the quaternary ammonium analogue, tetrabutyl antimony (TBSb)

6 y electrophoresis was applied to analysis of quaternary ammonium and phenoxypropionic acid herbicides

7 In contrast, quaternary ammonium and phosphonium salts gave excellent

8 A family of 20 tris-azaaromatic quaternary ammonium (AQA) compounds were tested for thei

9 We developed a photoisomerizable molecule, quaternary ammonium-azobenzene-quaternary ammonium (QAQ)

10 The indicators along with a quaternary ammonium base are embedded into ethyl cellulo

11 make E. coli cells more susceptible to other quaternary ammonium based antimicrobials.

12 roperties comparable to those of traditional quaternary-ammonium-based AEMs as well as good alkaline

13 ence spectroscopic study we demonstrate that quaternary ammonium beta-cyclodextrin (QABCD) fulfils bo

14 The use of ephedrine-substituted quaternary ammonium binaphthyl salts as molecular recept

15 rbons, phthalates), fracturing fluids (e.g., quaternary ammonium biocides, 2-butoxyethanol) and downh

16 Some studies used large quaternary ammonium blocker molecules to examine the eff

17 annel activation, we show that intracellular quaternary ammonium blockers bind to closed MthK channel

18 Quaternary ammonium blockers inhibit many voltage-activa

19 ns (under an extraction mechanism) employing quaternary ammonium bromide catalysts.

20 ral cyanide ion source, derived from KCN and quaternary ammonium bromide derived from cinchona alkalo

21 ifferent chemistry based on azobenzene and a quaternary ammonium bromide headgroup that self-assemble

22 someric indolines in the presence of certain quaternary ammonium catalysts is observed; this may be r

23 ermination of the mode of inhibition for the quaternary ammonium-catechol-based inhibitors 3-[(trimet

24 been synthesized using an unusual polycyclic quaternary ammonium cation as the structure-directing ag

25 When a quaternary ammonium cation such as [Bu4N]+ is used as a

26 We describe here the introduction of a quaternary ammonium cation to DAG molecules, using N-chl

27 Quaternary ammonium cationic polymers, such as poly(dial

28 Quaternary ammonium cationic polymers, such as poly(dial

29 rk demonstrates two approaches for modifying quaternary ammonium cationic polymers, which may enable

30 Organoclays synthesized from single chain quaternary ammonium cations (QAC) ((CH(3))(3)NR(+)) exhi

31 structure-directing agents (OSDAs), such as quaternary ammonium cations and amines, used in the synt

32 vator effect of PD was prevented by external quaternary ammonium cations or dofetilide, which approac

33 A number of tertiary amine and quaternary ammonium cations spanning a mass range of 60-

34 from serum using selective precipitation by quaternary ammonium compaction agents.

35 The quaternary ammonium compound (QAC) choline is a major co

36 ldimethylammonium chloride (C(14)BDMA-Cl), a quaternary ammonium compound (QAC), under aerobic condit

37 The quaternary ammonium compound clofilium and its tertiary

38 solute in T. erythraeum strain IMS101 as the quaternary ammonium compound N,N,N-trimethyl homoserine

39 aluate the antimicrobial activity of a novel quaternary ammonium compound, K21, when coated on differ

40 Since quaternary ammonium compounds (QACs) are exuded by germi

41 sensitive and robust method of analysis for quaternary ammonium compounds (QACs) in marine sediments

42 a simple ABC transporter for acquisition of quaternary ammonium compounds (QACs) in Pseudomonas sp.,

43 Determination of quaternary ammonium compounds (QACs) often is considered

44 Quaternary ammonium compounds (QACs) represent widely us

45 transformation over 180 days of two cationic quaternary ammonium compounds (QACs) with perfluoroalkyl

46 , secondary, tertiary amines), and a pair of quaternary ammonium compounds (QACs).

47 The N terminus of a Kvbeta subunit and quaternary ammonium compounds bind to the inner pore of

48 e use of biocides such as glutaraldehyde and quaternary ammonium compounds has spurred a public conce

49 We also found a twofold increase in quaternary ammonium compounds in salt-stressed leaves of

50 ter and a quaternary nitrogen (N) of natural quaternary ammonium compounds such as stachydrine, carni

51 Although CEC-normalized sorption of quaternary ammonium compounds to clay was up to 10-fold

52 ylammonium cations were studied to represent quaternary ammonium compounds with different surface act

53 primary, secondary, and tertiary amines and quaternary ammonium compounds, all showed the same respo

54 ugE leads to resistance to a subset of toxic quaternary ammonium compounds.

55 and reoxidized by a membrane-impermeant bis-quaternary ammonium derivative of diamide.

56 Finally, quaternary ammonium derivatives had no effect, suggestin

57 ptor by tetraethylammonium (TEA) and related quaternary ammonium derivatives.

58 ovel antibacterial dentin primers containing quaternary ammonium dimethacrylate (QADM) and nanopartic

59 es of amorphous calcium phosphate (NACP) and quaternary ammonium dimethacrylate (QADM); and (2) inves

60 C difficile, for which bleach was used); UV (quaternary ammonium disinfectant and disinfecting ultrav

61 cted with one of four strategies: reference (quaternary ammonium disinfectant except for C difficile,

62 ium chlorides (BACs), a widely used class of quaternary ammonium disinfectants, on microbial communit

63 CO2 reduction were determined with different quaternary ammonium electrolytes.

64 receptors in combination with a traditional quaternary ammonium extractant.

65 Consistent with this model, a tethered quaternary ammonium group emanating from position alpha1

66 Furthermore, incorporating a quaternary ammonium group into defunctionalized lobeline

67 ng indicates that, on binding, the cationic, quaternary ammonium group of acetylcholine makes van der

68 The quaternary ammonium group of the acetylcholine was deter

69 interactions may be involved in binding the quaternary ammonium group of the agonist, acetylcholine.

70 rbonyl of alphaW149 positions this agonist's quaternary ammonium group so as to reduce the cation-pi

71 d with a cationic siloxane terminated with a quaternary ammonium group).

72 holamine, which contain a positively charged quaternary ammonium group, were synthesized and tested a

73 Exemplar compounds feature a tertiary or quaternary ammonium group.

74 ct bacteria to model surfaces decorated with quaternary ammonium groups (known to kill bacteria that

75 luble cationic pillararenes differing in the quaternary ammonium groups efficiently inhibited the for

76 a dissipative ion exchange process, converts quaternary ammonium groups in the hydrogel from hydrophi

77 subsequently with a vinyl monomer containing quaternary ammonium groups to form a "tentacular" anion

78 of polymers bearing less chloramine-reactive quaternary ammonium groups with dipropylamino (DPA) subs

79 ary amine groups to less chloramine-reactive quaternary ammonium groups.

80 ies was: guanidines > amidines approximately quaternary ammonium > amines.

81 ariety of organic solvents stabilized with a quaternary ammonium halide salt.

82 actions of the analytes' permanently charged quaternary ammonium head or hydrophobic tail with the ut

83 Quaternary Ammonium Herbicides (QUATs) are nonselective

84 the study highlights that surfactants, i.e., quaternary ammoniums in the positive ionization mode and

85 hysiologically determined size dependence of quaternary ammonium ion blocking from the intracellular

86 Primary or quaternary ammonium ion looping strategies lead to large

87 A quaternary ammonium ion served as the marker ion.

88 nproductive side reaction facilitated by the quaternary ammonium ion, leading to the formation of a s

89 e form of the small cation (i.e., metal ion, quaternary ammonium ion, or protonated molecule) did not

90 Quaternary ammonium ion-capped SWCNTs readily suspend in

91 he synthesis and properties of N-spirocyclic quaternary ammonium ionenes (spiro-ionenes) containing 5

92 t ions and pore-blocking molecules including quaternary ammonium ions and drugs.

93 The other family, Series-B, has quaternary ammonium ions connecting the long chains to t

94 efects interact with the structure-directing quaternary ammonium ions preferably close to the charge

95 t 4AP, like tetraethylammonium ion and other quaternary ammonium ions, enters and leaves the channel

96 gher potencies than any previously described quaternary ammonium ions.

97 used for many years to explain the action of quaternary ammonium ions.

98 or alkali metals (Li(+) > Na(+) > K(+)) than quaternary ammonium ions.

99 ic receptor to which acetylcholine and other quaternary ammonium ligands bind, we have examined the r

100 bonding agents, and other resins containing quaternary ammonium methacrylates to suppress plaque bui

101 he incorporation of enzyme inhibitors (i.e., quaternary ammonium methacrylates) into the resin blends

102 l mechanisms for chlorhexidine, nano-silver, quaternary ammonium methacrylates, and protein-repellent

103 Quaternary ammonium methacryloxy silicate (QAMS)-contain

104 Due to the presence of a positively charged quaternary ammonium moiety in C18-TMS, the resulting sol

105 ch aromatic-cage mediated recognition of the quaternary ammonium moiety is emerging as the most strik

106 a hydrazone conjugate harboring a precharged quaternary ammonium moiety, which enabled the facile det

107 T-type zeolites, a large number of amines or quaternary ammonium molecules are successfully predicted

108 molecular stoppers, binding to the two outer quaternary ammonium motifs.

109 l, while the comparable interaction with the quaternary ammonium of acetylcholine is approximately 2

110 cterial sensitivity to compounds harboring a quaternary ammonium on an aromatic ring (e.g., ethidium

111 in situ turnover in a chemically challenging quaternary ammonium oxidative demethylation reaction was

112 t with or impact the binding of bretylium, a quaternary ammonium phenylmethylamine derivative that is

113 lysis of phosphodiester bond hydrolysis, the quaternary ammonium phosphate 1 was used as a bait and s

114 were accomplished via transamination with a quaternary ammonium piperidone or via addition of methyl

115 ately, chloramination of waters treated with quaternary ammonium polymers leads to the formation of c

116 between this benzene ring and the agonist's quaternary ammonium (QA) and (2) AChRs respond strongly

117 Quaternary ammonium (QA) ions are a class of pore blocke

118 adigm of pore blockade by internally applied quaternary ammonium (QA) ions exhibiting slow blocking k

119 binding, we applied a variety of hydrophilic quaternary ammonium (QA) ions to the noninactivating mut

120 The quaternary ammonium (QA) lidocaine derivative QX-314 (2-

121 ble molecule, quaternary ammonium-azobenzene-quaternary ammonium (QAQ), that enables rapid and select

122 eptors harboring gammaL119C treated with the quaternary ammonium reagent MTSET (trimethylammonium-eth

123 he biotransformation of perfluorooctaneamido quaternary ammonium salt (PFOAAmS) was characterized by

124 ransformation of perfluorooctane sulfonamide quaternary ammonium salt (PFOSAmS) was very slow with un

125 elationship around the tropane scaffold, the quaternary ammonium salt 34 was identified as a very pot

126 variety of functional groups on the starting quaternary ammonium salt and has been successfully exten

127 Both the N-methyl quaternary ammonium salt and the O-trimethylsilyl deriva

128 Eleven water soluble 7-substituted quaternary ammonium salt derivatives of 10,11-(methylene

129 Lewis acid catalyzed quaternary ammonium salt mediated highly regioselective

130 We established that quaternary ammonium salt moieties carrying highly hinder

131 The quaternary ammonium salt poly (diallyldimethylammonium c

132 Addition of a quaternary ammonium salt such as phenyltrimethylammonium

133 lies on utilizing a significantly lipophilic quaternary ammonium salt to transfer a nucleophile (e.g.

134 When 10 mol % of a cinchona derived quaternary ammonium salt was employed as the catalyst un

135 al groups (amide, ester, carboxylic acid, or quaternary ammonium salt) to prevent membrane insertion

136 nyl groups, whereas the presence of a stable quaternary ammonium salt, a carboxylic, a phenol, or an

137 the methylation of azatriquinacene to give a quaternary ammonium salt, followed by oxidation to the t

138 minal peripheral modification, introducing a quaternary ammonium salt, is reported and was found to p

139 ic asymmetric [2,3]-rearrangement of allylic quaternary ammonium salts (either isolated or prepared i

140 ease biocidal agents, including antibiotics, quaternary ammonium salts (QAS), and silver, into the su

141 Quaternary ammonium salts (QUATS), such as cetylpyridini

142 The quaternary ammonium salts 8a (hystatin 2) and 8b exhibit

143 nts (DES) can be formed between a variety of quaternary ammonium salts and carboxylic acids.

144 vity of conjugated Mannich bases and related quaternary ammonium salts as alkylating agents and singl

145 t optimization led to the discovery of novel quaternary ammonium salts as highly potent muscarinic ac

146 electron-donating iodide anions as parts of quaternary ammonium salts in the arm region, we found th

147 l groupT has on hydrogen bonding and logP of quaternary ammonium salts is also described.

148 almost quantitative yields (71-98%) from the quaternary ammonium salts obtained by N-alkylation of th

149 stallization and solid photochemistry of six quaternary ammonium salts of 2,4-di-p-carboxyphenyl-2,4-

150 e reaction for the construction of aromatic, quaternary ammonium salts such as those found in 2 or 3.

151 one/CH(2)Cl(2)-insoluble, highly fluorescent quaternary ammonium salts undergo addition/ring opening

152 ynyl water-soluble Mannich bases and related quaternary ammonium salts were synthesized and investiga

153 Sequentially, the quaternary ammonium salts were treated with different nu

154 ion intermediates were investigated, and the quaternary ammonium salts, derived from alkyl halides an

155 alyzed borylation of two classes of aromatic quaternary ammonium salts, leading to versatile meta-bor

156 ur chemically distinct classes of molecules (quaternary ammonium salts, lipids, peptides, and carbohy

157 ratios to form mono- and bis-functionalized quaternary ammonium salts.

158 ubstrate was effectively controlled by using quaternary ammonium salts.

159 acidic sites and the conversion of amines to quaternary ammonium sites.

160 d potency, and incorporation of a long-chain quaternary ammonium substituent on the 5-phenyl ring was

161 ng the detection of suspected compounds like quaternary ammonium surfactants, the biocide triclocarba

162 describe a bioreversible linkage based on a quaternary ammonium that can be used to connect a broad

163 Block was dependent on the size of the quaternary ammonium; the smaller tetramethylammonium blo

164 ionic drugs/five neutral steroids, and three quaternary ammonium/three neutral organophosphate pestic

165 pts a bent conformation characterized with a quaternary ammonium-to-carbonyl distance of 5.1 A.

166 sitive optodes based on an adsorbed layer of quaternary ammonium type anion exchanger and a phenolic

167 nts with functionalities such as betaine and quaternary ammonium was improved with the MeOH/NaOH base

168 Quaternary ammoniums with different numbers of methyl an

169 pends on a very selective orientation of the quaternary ammonium within the agonist binding site.