Effectiveness of Physical Activity Interventions on Cognition, Neuropsychiatric Symptoms, and Quality of Life of Alzheimer's Disease: An Update of a Systematic Review and Meta-Analysis.

The topic of physical activity interventions for the treatment of Alzheimer's disease (AD) has been discussed for decades, but there are still inconsistent views on the effect of its intervention in different studies. With the increase in randomized controlled trials (RCTs), it is necessary to update newly published studies and systematically evaluate the effects of physical activity interventions. Scientific citation databases (e.

[A new isobenzofuranone derivative from Phlomis betonicoides and its antibacterial activity].

A new isobenzofuranone derivative has been isolated from Phlomis betonicoides by using various chromatographic techniques, including silica gel, Sephadex LH-20, MCI-gel resin and RP-HPLC. This compound was determined as 5-(3-hydroxypropyl)-2,2-dimethyl-2-furo[3,4-]chromen-7(9)-one (1) by NMR, MS, IR and UV spectroscopic data. Compound 1 showed potent antibacterial activity with an MIC₉₀ value of (58.

Syntheses, crystal structures, adsorption properties and visible photocatalytic activities of highly stable Pb-based coordination polymers constructed by 2-(2-carboxyphenyl)imidazo(4,5-f)-(1,10)phenanthroline and bridging linkers.

Five highly stable coordination polymers assembled by 2-(2-carboxyphenyl)imidazo(4,5-f)-(1,10)phenanthroline (2-HNCP) and different aromatic carboxylic acid ligands, namely, [Pb(2-NCP)(L1)]n (1), [Pb2(2-NCP)2(L2)]n·2nH2O (2), [Pb2(2-NCP)2(L2)]n (3), [Pb(2-NCP)(L3)0.5]n (4) and [Pb2(2-NCP)2(L4)]n (5), where HL1 = pyridine-4-carboxylic acid, H2L2 = 2-amino-1,4-benzenedicarboxylic acid, H2L3 = 1,4-benzenedicarboxylic acid and H2L4 = 2-hydroxy-1,4-benzenedicarboxylic acid, have been synthesized under hydrothermal conditions. Their structures have been determined by single crystal X-ray diffraction analyses and further characterized by elemental analyses and infrared spectroscopy.

Three new sesquiterpenes from the stems of Nicotiana tabacum and their bioactivities.

Three new sesquiterpenes, methyl 4-isopropyl-7-methoxy-6-methylnaphthalene-1-carboxylate (1), methyl 2-hydroxy-4-isopropyl-7-methoxy-6-methylnaphthalene-1-carboxylate (2), and methyl 2-hydroxy-6-(hydroxymethyl)-4-isopropyl-7-methoxynaphthalene-1-carboxylate (3), together with three known sesquiterpenes (4-6), were isolated from the stems of Nicotiana tabacum. Their structures were determined by means of HRESIMS and extensive 1D and 2D NMR spectroscopic studies. The results showed that compounds 2, 3, and 5 exhibited high anti-TMV activity with inhibition rates of 33.

Three new benzolactones from Lavandula angustifolia and their bioactivities.

Three new benzolactones (1-3), together with four known ones (4-7), were isolated from the whole herb of Lavandula angustifolia. Their structures were established on the basis of detailed spectroscopic analysis (1D- and 2D-NMR, HRESIMS, UV, and IR) and comparison with data reported in the literature. New compounds were evaluated for their anti-tobacco mosaic virus (TMV) activities and cytotoxic activities.

Anti-TMV activity flavones from the leaves of Yunnan local air cured tobacco.

Four new flavones, tobaflavones E-H (1-4), together with two known flavones (5 and 6), were isolated from the leaves of Dali Tiandeng tobacco (a variety of Yunnan local air cured tobacco). Their structures were elucidated by spectroscopic methods, including extensive 1D- and 2D NMR techniques. Compound 2 is the first naturally occurring flavone bearing a (4-hydroxy-6-methyl-2-oxo-2H-pyran-3-yl)methyl moiety.

catena-Poly[disilver(I)(Ag-Ag)-bis-(μ(3)-quinoline-3-carboxyl-ato)-1:2:1'κ(3)O:O':N;2:1'':2''κ(3)N:O:O'].

In the title compound, [Ag(2)(C(10)H(6)NO(2))(2)](n), the Ag(I) atom is coordinated by one N atom and two O atoms from three quinoline-3-carboxyl-ate ligands in a T-shaped fashion, with an additional Ag⋯Ag distance of 2.9468 (6) Å. The ligands connect the Ag(I) atoms into a double-chain structure along [010].

Poly[[tri-μ(3)-hydroxido-tris-(μ(4)-pyridine-2,5-dicarboxyl-ato)trineodymium(III)] monohydrate].

In the title compound, {[Nd(3)(C(7)H(3)NO(4))(3)(OH)(3)]·H(2)O}(n), the Nd(III) atom is eight-coordinated by the three O atoms of three asymmetrically μ(3)-bridging hydroxide groups, by four carboxyl-ate O atoms of four different pyridine-2,5-dicarboxyl-ate (2,5-pydc) ligands, and by the N atom of a 2,5-pydc ligand. Six Nd atoms are connected by six hydroxide groups, forming an [Nd(6)(μ(3)-OH)(6)] cluster unit of symmetry -3 and a slightly compressed octa-hedral geometry. Adjacent [Nd(6)(μ(3)-OH)(6)] clusters are connected by the 2,5-pydc ligands, via O and N atoms, forming chains along the c axis.

Bis(azido-κN)bis-[6-(pyridin-2-yl)-1,3,5-triazine-2,4-diamine-κ(2)N(1),N(6)]manganese(II).

In the title complex, [Mn(N(3))(2)(C(8)H(8)N(6))(2)], the complete molecule is generated by the application of twofold symmetry, and is in a distorted octa-hedral environment, coordinated by four N atoms of two bidentate 6-(pyridin-2-yl)-1,3,5-triazine-2,4-diamine ligands and two N atoms from two azide anions. The two chelated 6-(pyridin-2-yl)-1,3,5-triazine-2,4-diamine ligands form a dihedral angle 74.75 (5)°.

2,2'-Dimethyl-1,1'-[2,2-bis-(bromo-methyl)propane-1,3-di-yl]dibenzimidazole hemihydrate.

The title compound, C(21)H(22)Br(2)N(4)·0.5H(2)O, contains two benzimidazole groups which may provide two potential coordination nodes for the construction of metal-organic frameworks. The mean planes of the two imidazole groups are almost perpendicular, with a dihedral angle of 83.

3-Carb-oxy-quinolin-1-ium-2-carboxyl-ate monohydrate.

The title compound, C(11)H(7)NO(4)·H(2)O, contains a 3-carb-oxy-quinolin-1-ium-2-carboxyl-ate (qda) zwitterion and one water mol-ecule. In the crystal, pairs of N-H⋯O hydrogen bonds link the mol-ecules into inversion dimers, and these dimers are further connected by O-H⋯O hydrogen bonds into a three-dimensional supra-molecular architecture. In addition, π-π inter-actions occur between pyridine and benzene rings from different qda ligands [centroid-centroid distance = 3.

Poly[(μ(2)-quinoline-3-carboxyl-ato-κN:O)(μ(2)-quinoline-3-carboxyl-ato-κN:O,O')cadmium].

In the title compound, [Cd(C(10)H(6)NO(2))(2)](n), the Cd(II) atom is coordinated by three O atoms and two N atoms from four quinoline-3-carboxyl-ate (L(-)) ligands, leading to a distorted trigonal-bipyramidal geometry. The L(-) ligands link the Cd(II) atoms into a plane parallel to (100), with one ligand being tridentate, coordinating via the N atom and chelating a second Cd atom, and the other being bidentate, bridging two Cd atoms via the N and one O atom..

cyclo-Tetra-kis{μ-2,2'-dimethyl-1,1'-[2,2-bis-(bromo-meth-yl)propane-1,3-di-yl]di(1H-benzimidazole)-κN:N}tetra-kis-[bromidocopper(I)].

The title compound, [Cu(4)Br(4)(C(21)H(22)Br(2)N(4))(4)], features a macrocyclic Cu(4)L(4) ring system in which each Cu(I) atom is coordinated by one bromide ion and two N atoms from two 2,2'-dimethyl-1,1'-[2,2-bis-(bromo-meth-yl)propane-1,3-di-yl]di(1H-benzimidazole) (L) ligands in a distorted trigonal-planar geometry. The L ligands adopt either a cis or trans configuration. The asymmetric unit contains one half-mol-ecule with the center of the macrocycle located on a crystallographic center of inversion.

2,4,5-Tris(pyridin-4-yl)-1H-imidazole monohydrate.

In the crystal structure of the title compound, C(18)H(13)N(5)·H(2)O, adjacent mol-ecules are linked by O-H⋯N and N-H⋯O hydrogen bonds, generating a chain propagating along [001].

Bis(1,10-phenanthroline-5,6-dione-κN,N')silver(I) 2-hy-droxy-3,5-dinitro-benzoate.

In the cation of the title salt, [Ag(C(12)H(6)N(2)O(2))(2)](C(7)H(3)N(2)O(7)), the Ag(I) atom is coordinated in a distorted tetra-hedral geometry by four N atoms from two 1,10-phenanthroline-5,6-dione ligands, while the 3,5-dinitro-salicylate anion has only a short contact [2.847 (6) Å] between one of its O atoms and the Ag(I) atom. The dihedral angle between the two 1,10-phenanthroline-5,6-dione ligands is 58.

Poly[[(μ-benzene-1,4-dicarboxyl-ato)bis-[μ-4-(1H-1,3,7,8-tetra-aza-cyclo-penta-[l]phenanthren-2-yl)benzoato]dizinc] tetra-hydrate].

In the title complex, [Zn(2)(C(8)H(4)O(4))(C(20)H(11)N(4)O(2))(2)]·4H(2)O, the Zn(II) atom is six-coordinated by two carboxyl-ate O atoms from one bidentate benzene-1,4-dicarboxyl-ate (1,4-BDC) ligand, two carboxyl-ate O atoms from two different monodentate 4-(1H-1,3,7,8-tetra-aza-cyclo-penta-[l]phenanthren-2-yl)benzoate (HNCP) ligands and two HNCP N atoms. The Zn(II) atoms are bridged by the centrosymmetric 1,4-BDC ligands, forming an extended single-chain structure. Neighbouring single chains are connected by the HNCP ligands from two opposite directions, resulting in a sheet.

Generalised additive modelling approach to the fermentation process of glutamate.

In this work, generalised additive models (GAMs) were used for the first time to model the fermentation of glutamate (Glu). It was found that three fermentation parameters fermentation time (T), dissolved oxygen (DO) and oxygen uptake rate (OUR) could capture 97% variance of the production of Glu during the fermentation process through a GAM model calibrated using online data from 15 fermentation experiments. This model was applied to investigate the individual and combined effects of T, DO and OUR on the production of Glu.

2-Phenyl-1H-1,3,7,8-tetra-azacyclo-penta-[l]phenanthrene.

There are two mol-ecules in the asymmetric unit of the title compound, C(19)H(12)N(4), with dihedral angles of 2.41 (10) and 10.53 (12)° between the fused ring system and the pendant phenyl ring.

A one-dimensional chain structure based on unusual tetranuclear manganese(II) clusters.

The title coordination polymer, poly[bis(mu(4)-biphenyl-2,2'-dicarboxylato)(dipyrido[3,2-a:2',3'-c]phenazine)manganese(II)], [Mn(2)(C(14)H(8)O(4))(2)(C(18)H(10)N(4))](n), was obtained through the reaction of MnCl(2).4H(2)O, biphenyl-2,2'-dicarboxylic acid (H(2)dpdc) and dipyrido[3,2-a:2',3'-c]phenazine (L) under hydrothermal conditions. The asymmetric unit contains two crystallographically unique Mn(II) ions, one unique L ligand and two unique dpdc ligands.

Bis(imidazo[4,5-f][1,10]phenanthroline)dinitratolead(II).

In the title compound, [Pb(NO(3))(2)(C(13)H(8)N(4))(2)], the Pb(II) atom (site symmetry 2) is hexa-coordinated by four N atoms from two N,N'-bidentate imidazo[4,5-f][1,10]phenanthroline (L) ligands and two O atoms from two weakly coordinated nitrate ions [Pb-O = 2.872 (5) Å] in an irregular arrangement, which may be ascribed to the stereochemically active lone pair of electrons on the metal ion. In the crystal, inter-molecular bifurcated N-H⋯(O,O) hydrogen bonds connect the mol-ecules into chains propagating along [100].

Dichlorido(10,11,12,13-tetra-hydro-4,5,9,14-tetra-azabenzo[b]triphenyl-ene)cadmium(II) hemihydrate.

In the title compound, [CdCl(2)(C(18)H(14)N(4))(2)]·0.5H(2)O, the Cd atom assumes a distorted octa-hedral trans-CdCl(2)N(4) geometry arising from its coordination by two N,N'-bidentate 10,11,12,13-tetra-hydro-4,5,9,14-tetra-azabenzo[b]triphenyl-ene (TBBT) mol-ecules and two chloride ions. In the crystal, π-π aromatic stacking inter-actions between adjacent TTBT rings are seen, with a centroid-centroid distance of 3.

10,11,12,13-Tetrahydro-4,5,9,14-tetra-azadibenz[a,c]anthracene-benzene-1,4-dicarboxylic acid (2/1).

In the title adduct, 2C(18)H(14)N(4)·C(8)H(6)O(4), the centrosymmetric 1,4-benzene-dicarboxylic acid mol-ecule makes two O-H⋯·N hydrogen bonds to adjacent 10,11,12,13-tetra-hydro-4,5,9,14-tetra-azadibenzo[a,c]anthracene (TTBT) mol-ecules. Aromatic π-π stacking inter-actions occur between TTBT rings [centroid-centroid distance = 3.570 (3) Å], leading to a two-dimensional supra-molecular structure in the crystal.