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1 of large terrestrial forms at the end of the Quaternary.
2 ations during MIS3 and at other times in the Quaternary.
3 isphere (NH) at 17 time-slices that span the Quaternary.
4 sses are usually assumed constant during the Quaternary.
5 stribution of biomes occurred throughout the Quaternary.
6 ring glacial-interglacial cycles of the Late Quaternary.
7 rcescent forests matched throughout the late Quaternary.
8 fferent condensate phases within the S:P:H:L quaternary.
9 ly procedure for the synthesis of diverse C4-quaternary 3,4-dihydroquinazolines from amides, amines,
10 n the Iberian Peninsula (IP) during the Late Quaternary, a period of profound climate and anthropic c
15 hexagonal (h-) and cubic (c-) phase AlGaInN quaternary alloys are investigated using a unified and a
16 opure products under acid conditions reveals quaternary alpha-alkenyl amino acids with stereodivergen
18 interaction between an aromatic residue and quaternary amine substrates allows us to delineate a sub
19 E. limosum might demethylate proatherogenic quaternary amines and contribute to the perceived health
20 e presence of proline betaine and that other quaternary amines are much less preferred substrates.
22 or acylcarnitines, lysophosphatidylcholines, quaternary amines, and cholesteryl/cholesteryl esters.
24 lefins for the generation of unnatural gamma-quaternary amino acids and other valuable synthetic targ
28 made by coating the electrode surface with a quaternary ammonium cation (R(4) N(+) ) surfactant, was
29 ctinide separation processes that widely use quaternary ammonium cations as extractants or in room te
30 lkyl carbon, alkylphosphocholines (APCs) and quaternary ammonium compounds (QACs) had significant cha
31 tron reactions, namely, the decomposition of quaternary ammonium compounds and the conversion of trif
37 avity that exhibits a great affinity for the quaternary ammonium guests, originating from favorable c
39 eded under the catalysis of Cinchona-derived quaternary ammonium phenoxide that, in combination with
40 atalyzed by a cobalt salen complex bearing a quaternary ammonium salt, yields the poly(propylene-co-g
44 e hydrophilicity and antibacterial activity, quaternary ammonium-functionalized amphiphilic diblock c
45 ides a comprehensive description of both the quaternary and internal symmetries in known membrane pro
46 ed from commodity materials, but also allows quaternary and tertiary centers to be installed in a sin
47 the stereodivergent construction of vicinal quaternary and tertiary stereocenters in similarly high
48 ectron-deficient double bond to form vicinal quaternary and tertiary stereocenters with high fidelity
51 , a publicly available benchmark set of both quaternary- and internal-symmetries in membrane protein
52 lonal antibodies led to the discovery of six quaternary antigenic sites with strong neutralizing acti
55 retrovirus core particles and a tertiary and quaternary arrangement of the capsid (CA) C-terminal dom
57 scheme for identification of native protein quaternary assemblies (binders/nonbinders) based on stat
58 visualized interactions, and perhaps involve quaternary assembly or membrane-interacting regions.
59 characterize the effect of isomerization on quaternary assembly, we utilized synthetic peptide mimic
60 study contributes to unveil the complex Late-Quaternary biogeography of the ecotone belt occupied by
63 yzed carbonyl reductive coupling to form the quaternary C4 stereocenter, diastereoselective alkene re
66 diboron reagents to products that contain a quaternary carbon and a synthetically versatile carbon-b
69 ncorporating a cycloalkyl group linked via a quaternary carbon atom, with up to 40-fold increased pot
71 ety of functionality can be installed at the quaternary carbon by using 1,2-disubstituted dienes.
73 eoselective nucleophilic substitution at the quaternary carbon center, with pure inversion of configu
74 and, Fro-DO, that promotes the generation of quaternary carbon centers via Ni-catalyzed Csp(3)-Csp(3)
75 rt a biocatalytic method for the creation of quaternary carbon centers with broad substrate scope, le
81 lop sp(3)-rich molecules, boosted utility of quaternary carbon stereocenters in bioactive compounds.
82 spective will inspire the chemist to utilize quaternary carbon stereocenters to enhance potency, sele
83 ry homoallylic alcohols containing a vicinal quaternary carbon stereogenic center and a versatile alk
84 lt-to-access vicinal beta-tertiary and gamma-quaternary carbon stereogenic centers and an alkenylboro
85 e bulky hydrocarbon fragment is joined via a quaternary carbon to the highly hindered concave face of
88 od for the construction of boron-substituted quaternary carbons or diarylquaternary carbons by arylbo
89 een identified that promote the formation of quaternary carbons via Ni-catalyzed Csp(3)-Csp(3) cross-
90 ks in HMBC that result from the highly dense quaternary carbons, as well as theoretical calculations.
91 bstituted cyclohexanone ring system with two quaternary carbons, has been achieved in seven steps in
94 patients consecutively admitted to a single quaternary care center from March 27 to April 10, 2020,
95 ging examinations performed at a large urban quaternary care hospital from January 1 to December 31,
97 major hepatic resection (>=3 segments) at a quaternary care institution were included (2013-2019).
100 ed secondary free radical to form a bond and quaternary center adjacent to another quaternary center.
101 owing a 6-exo-carbopalladation to generate a quaternary center and avoiding a direct Suzuki coupling.
103 route to pyrrolo[1,2-b]isoquinolines with a quaternary center at C-10 has been developed, which impl
106 case of 1,2-arylboration, the formation of a quaternary center occurred through a rare cross-coupling
107 olecular cyclization to establish the spiral quaternary center of the tricyclic framework from steric
108 finalize the asymmetric formation of an aza-quaternary center that is challenging to access in optic
109 ed concisely by using a strategically chosen quaternary center to guide the formation of the other th
110 ompletely selective for the formation of the quaternary center, allowing different substitution patte
111 ion of an enyne to establish the second core quaternary center, and regiospecific functionalizations
119 class); b) the "piroxindole" moiety with C7 quaternary center; c) the "N-heterocycles" and d) the "T
121 isclose a three-component strategy to access quaternary centers bearing nitriles by cobalt-catalyzed
122 s, and it enables the expedient formation of quaternary centers from easily available starting materi
123 ration of tetrahydroisoquinolines bearing C4-quaternary centers from the corresponding isoquinolines.
124 ligand we have been able to construct alpha-quaternary centers in good yields (up to 91 % yield) and
128 esis of ketones with alpha-halogen atoms and quaternary centers with four-different carbon substituen
129 ions result in the formation of tertiary and quaternary centers, and give products that would be othe
137 at if a synthesis is designed such that each quaternary centre is deliberately leveraged to simplify
139 conformational restriction, the formation of quaternary centres can be achieved reliably by only a fe
140 rable to establish alternative ways in which quaternary centres can positively affect and guide synth
143 ple, the vicinal all-carbon(8), oxa- and aza-quaternary centres(9) in molecules such as azadirachtin(
146 erwent liver transplant for LFUE at a single quaternary children's hospital; 51/65 cases could be age
147 eal intubation in operating theatres at four quaternary children's hospitals in the USA and one in Au
149 n with gene flow across species, mediated by Quaternary climate oscillations that have facilitated a
151 ed a mobility-shifted agonist.CLR.RAMP.mG(s) quaternary complex gel band that was sensitive to antago
159 binding affinity of P[5]AS and P[6]AS toward quaternary (di)ammonium ions renders them prime candidat
160 in a closed conformation by recognition of a quaternary epitope spanning two adjacent receptor-bindin
161 w the antibody binds to a prefusion-specific quaternary epitope, conserved in NiV F and HeV F glycopr
162 ons were found that increase presentation of quaternary epitopes associated with properly conformed t
163 powerful neutralizing antibodies recognized quaternary epitopes that overlap with the domains at the
165 rivatives afforded 9H-hydroxy-functionalized quaternary fluorene derivatives in excellent yield.
166 hthalide derivatives, which present a chiral quaternary gamma-carbon in good to excellent yields and
168 history of the Norway spruce Picea abies in Quaternary has affected its host-associated herbivorous
169 play between tertiary structure dynamics and quaternary hierarchical structure formation remains uncl
170 gh relief areas and in soils formed from Q4 (Quaternary Holocene) grey-brown alluvium and Q4 grey all
172 ermian transition (CPT) was Earth's last pre-Quaternary icehouse-greenhouse transition, recording maj
173 region 3 (FR3) loop of VRC03, which mediates quaternary interaction, onto several potent bNAbs, enabl
177 ned history of repeated Ag encounters (i.e., quaternary memory) showed increased sensitivity to tumor
180 ed with BK virus-like particles revealed the quaternary nature of a conserved viral epitope at the ju
181 f functionalities, including rarely reported quaternary nitroalkene substitution and heteroaromatic a
182 with the C(2)-site directly attached to the quaternary nitrogen possessing greater electrophilicity.
183 t zinc(II) Pcs with carboxylate functions or quaternary nitrogens (hydrophilic anionic, hydrophilic c
185 al of these methods, a 4D parameter space of quaternary OPV blends is mapped and optimized for photos
186 n ternary systems and high-entropy alloys in quaternary or quinary systems, alluding to their high de
187 This structure illuminates capsid protein quaternary organization, including its orientation relat
188 yielding the phase-pure P2-Na(2)Mn(2)FeO(6) quaternary oxide with high uniformity of metal ion distr
193 proposed mechanism involves the formation of quaternary phosphonium salt, which undergoes single elec
195 , pre-existing knowledge of the tertiary and quaternary protein structure is often required to genera
198 tween 2015 and 2018, patients with NSTI at a quaternary referral center were followed up for the outc
199 g of tertiary (residue-residue contacts) and quaternary (rigid-body contacts) networks that mediate r
200 mediated reactions with a recoverable chiral quaternary salt (10 mol %) as catalyst in fluorobenzene-
201 s; however, the synthetic literature on this quaternary semiconductor is sparse and it has yet to be
202 ategies for developing successful ternary or quaternary solar cells are likely very different for D18
203 s a bulky moiety because of the two adjacent quaternary sp(3) -hydribized carbon atoms in its diol ba
204 n of authentic ancient DNA molecules in Late Quaternary speleothems opens up a new paleogenetic archi
205 the analysis of ancient DNA (aDNA) from Late Quaternary stalagmites from two caves in Western Georgia
206 quaternary state (T-State) PolyhHb, relaxed quaternary state (R-State) PolyhHb, and a non O2 carryin
207 exchange (large volume) infusion of a tense quaternary state (T-State) PolyhHb, relaxed quaternary s
208 n (PolyhHb), in the relaxed (R) or tense (T) quaternary state modulates O(2) delivery to hypoxic (FME
211 bility to selectively form a new, all-carbon quaternary stereocenter at the gamma-position of the ami
212 delta-lactones featuring a CF(3)-substituted quaternary stereocenter in high yields with excellent en
213 figuration of the isolated, highly symmetric quaternary stereocenter of the target molecules was cont
214 ous stereogenic centers, one of them being a quaternary stereocenter substituted with a CF(3) group,
217 enzyme can also alkylate and form all-carbon quaternary stereocenters on structurally similar lactone
218 olefinations provide trifluoromethyl-bearing quaternary stereocenters substituted with alkenes, alkyn
220 proceeded efficiently to generate all-carbon quaternary stereocenters with excellent enantioselectivi
228 lyzed asymmetric Mannich reaction to build a quaternary stereogenic center and a rapid cationic Au-ca
230 -membered carbocycles, bearing an all-carbon quaternary stereogenic center through remote stereocontr
232 ntaining two new sigma-bonds and two vicinal quaternary stereogenic centers were formed under mild re
234 eractions of the C-terminal domain mimic the quaternary structural interactions of the classic ALDH s
236 in combination with BCCP1, best support this quaternary-structural organization and catalytic activat
237 sylation of CCH, FLH, and KLH disrupts their quaternary structure and impairs their immunogenic effec
238 1) provide tunable coupling between protein quaternary structure and metal coordination, 2) enable t
240 servations suggest that small disruptions of quaternary structure are sufficient for fast desensitiza
242 ctron microscopy, revealing the tertiary and quaternary structure at sufficient resolution to clearly
243 We observed that SpAhpD formed a dimeric quaternary structure both in the crystal and in solution
245 incorporating geometry restraints in aiding quaternary structure determination, we introduce two new
246 cines induced type-specific nAbs directed to quaternary structure envelope epitopes known to be targe
247 5D bridges the capsid of B19 by binding to a quaternary structure epitope formed by residues from thr
249 the antigens tested do not display critical quaternary structure epitopes present on Zika E protein
250 ts allowed us to test the importance of Hmg2 quaternary structure in mallostery: a nonresponsive Hmg2
251 porting the hypothesis that the evolution of quaternary structure in SBS homomers is significantly in
252 Y tetramerization, a conserved and essential quaternary structure in vitro and likely also in vivo Fu
253 to monitor dynamic changes in peroxiredoxin quaternary structure inside the crowded environment of l
255 terface and to predict the three-dimensional quaternary structure of a protein-protein complex in sol
256 nance can help to gain new insights into the quaternary structure of active, membrane-embedded Bax ol
257 Previous studies point to an oligomeric quaternary structure of hDAT; however, the exact stoichi
259 f a given TNKS-binding peptide motif and the quaternary structure of individual binding partners play
262 BH4 binding result in drastic changes in the quaternary structure of the enzyme, leading to a more co
263 rmally induced structural transitions of the quaternary structure of the hemoglobin tetramer (human)
264 ollision cross sections and confirm that the quaternary structure of the mutants mirrored the wild ty
265 FimA, assemble into the filamentous, helical quaternary structure of the pilus rod via a mechanism te
267 sults of binding-interface determination and quaternary structure prediction highlight the effectiven
270 aternary equilibrium from the polymerizing T quaternary structure to the nonpolymerizing R quaternary
271 differences in intracellular concentration, quaternary structure, and distinct active site architect
272 cterized by more conserved binding sites and quaternary structure, and qualitatively different allost
273 mulate the evolution and assembly of protein quaternary structure, and to provide a tractable way to
274 r racemic crystallography can capture native quaternary structure, which could be disrupted by hetero
279 ralizing antibodies that have been mapped to quaternary-structure epitopes displayed on the viral sur
280 ed were mainly monomers that did not display quaternary-structure epitopes found on E dimers and high
281 SP that forms large, dynamic oligomers whose quaternary structures and chaperone activities depend on
282 meric glycoproteins with complex dodecameric quaternary structures and heterogeneous glycosylation pa
283 rogen-bonded imidazole-imidazolium histidine quaternary structures have been proposed, based on cryst
284 The self-assembly of proteins into protein quaternary structures is of fundamental importance to ma
285 and patterns suggest frequent recognition of quaternary structures on the surface of viral particles.
287 tal structure of IdaA shows its tertiary and quaternary structures similar to those of glycine oxidas
288 ts that delivery vehicles based on synthetic quaternary structures that exhibit higher-order architec
289 transvascularly deliver proteins of complex quaternary structures, including alpha-synuclein preform
291 relative abundance of the supramolecular (or quaternary) structures of associating macromolecules.
294 Xa (FXa) and zymogen FX, with formation of a quaternary tissue factor (TF)/FVIIa/ FX(a)/Ixolaris inhi
296 we confirm peroxide- and thioredoxin-related quaternary transitions to take place in cellulo and obse
297 ng how the simplest extension of the classic quaternary two-state allosteric model of Monod, Wyman, a
298 to estimate the heat budget associated with Quaternary volcanism in the Cascades Arc and compare thi
299 uous chiral centers, including an all-carbon quaternary, were prepared with high yields (up to 78%) a
300 n-mediated species translocations across the Quaternary, yet these techniques are often used in isola