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phosphorene an unexplored 2d semiconductor with a high hole mobility

phosphorene an unexplored 2d semiconductor with a high hole mobility

phosphorene an unexplored 2d semiconductor with a high hole mobility

... mechanically exfoliated. We find phosphorene to be stable and, unlike graphene, to have an inherent,direct, and appreciable band gap. Our ab initio calculations indicatethat the band gap is direct, ... counterpart of layered blackphosphorus, which we call phosphorene, as an unexplored p-typesemiconducting material. Same as graphene and MoS2, single-layer phosphorene is flexible and can be mechanically ... University, West Lafayette, Indiana 47907, United States,§Physics andAstronomy Department, Michigan State University, East Lansing, Michigan 48824, United States, and^School of Mechanical Engineering,...
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phosphorene an unexplored 2d semiconductor with a high hole mobility

phosphorene an unexplored 2d semiconductor with a high hole mobility

... mechanically exfoliated. We find phosphorene to be stable and, unlike graphene, to have an inherent,direct, and appreciable band gap. Our ab initio calculations indicatethat the band gap is direct, ... counterpart of layered blackphosphorus, which we call phosphorene, as an unexplored p-typesemiconducting material. Same as graphene and MoS2, single-layer phosphorene is flexible and can be mechanically ... University, West Lafayette, Indiana 47907, United States,§Physics andAstronomy Department, Michigan State University, East Lansing, Michigan 48824, United States, and^School of Mechanical Engineering,...
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Báo cáo Y học: Solution structure of the Alzheimer amyloid b-peptide (1–42) in an apolar microenvironment Similarity with a virus fusion domain potx

Báo cáo Y học: Solution structure of the Alzheimer amyloid b-peptide (1–42) in an apolar microenvironment Similarity with a virus fusion domain potx

... transmembrane region of APP, and has the typicalamino acid composition of transmembrane helices, i.e. small(Gly and Ala) and hydrophobic (Ile, Leu, Met and Val)residues [36]. The only charged ... bedescribed as a random coil, with only a small population oflocal nonrandom structures. Overall, these data indicatethat bulk water is not suitable for high resolution conform-ational analysis of Ab. ... syndromeoverexpress APP and may develop early AD forms [4].APP can be cleaved proteolitically by different proteases,called a, b and c secretases [5]. The a secretase cleaves APPwithin the Ab sequence, and...
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Báo cáo khoa học: Solution structure of an M-1 conotoxin with a novel disulfide linkage pdf

Báo cáo khoa học: Solution structure of an M-1 conotoxin with a novel disulfide linkage pdf

... the dyana algorithm. The outcome was a set of 20structures with a mean global rmsd of 0.56 ± 0.16 A ˚and a mean global heavy atom rmsd of 1.30 ± 0.28 A ˚.Structural refinement was carried ... 273,283–298.12 Pearlman DA, Case DA, Caldwell DA, Ross WR,Cheatham TE, DeBolt S, Ferguson D, Seibel G &Kollman P (1995) AMBER, a computer program forapplying molecular mechanics, normal mode analysis,molecular ... thatthey have completely different backbone scaffolds.Although M-1 and M-2 branch conotoxins are similarin size and cysteine framework, and are all abundantin mollusk- and worm-hunting cone snails,...
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an oh maser flare with a strong magnetic field in w75n

an oh maser flare with a strong magnetic field in w75n

... spectral features remained unchanged. All con-stant features are connected with the ultra-compact HII region VLA1 while the variablefeatures are connected with VLA2.Compared to the 1998 map (Slysh ... velocity coverage.All three sets of data have been obtained during the maximum phase of the OH maserflare. The data were reduced in the standard way using NRAO AIPS package. Most ofthe maser spots ... addition, we reduced and analyzed archived observations from the EVN andVLBA for 2000 September 27 and 2000 November 22 and 2001 January 6, respectively.Both data sets had the same velocity resolution...
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formation of zno thinfilms consisting of nano-prisms and nano-rods with a high

formation of zno thinfilms consisting of nano-prisms and nano-rods with a high

... investigated. X-ray diffraction results showed that all the deposited films weregrown as a polycrystalline wurtzite hexagonal phase with a c-axis preferred, out-of-plane orientationand without unwanted ... sharp without any indication of an interfacialreaction or any formation of amorphous compounds. The SAEDpattern showed that the film was c-axis oriented in the substratenormal direction with ... Zn(NO3)$6H2O, Al(NO3)3$9H2O, Na3-citrate and NH4OH. The effect of Al(NO3)$6H2O andNa3-citrate, as surfactant chemicals, on the structural, morphological, optical and electrical properties...
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Báo cáo khoa học: The chloroplast ClpP complex in Chlamydomonas reinhardtii contains an unusual high molecular mass subunit with a large apical domain doc

Báo cáo khoa học: The chloroplast ClpP complex in Chlamydomonas reinhardtii contains an unusual high molecular mass subunit with a large apical domain doc

... plants. ClpP genes are also found in Cyanobacteria[22] and in the genome of the Cyanophora cyanelle, an ancestral chloroplast. In the green alga Chlamydomonasreinhardtii and in vascular plants, ... asCryptosporidium parvum, an Apicomplexan that has lostits apicoplast, also has lost both ClpP and ClpR [38,39].In any event, apicomplexan ClpP appears as an interes-ting target for the design of antiparasitic ... 5571W. Majeran et al. Chlamydomonas ClpP complex analysed by MSThe chloroplast ClpP complex in Chlamydomonasreinhardtii contains an unusual high molecular masssubunit with a large apical domainWojciech...
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Báo cáo Y học: Functional studies of the Synechocystis phycobilisomes organization by high performance liquid chromatography on line with a mass spectrometer docx

Báo cáo Y học: Functional studies of the Synechocystis phycobilisomes organization by high performance liquid chromatography on line with a mass spectrometer docx

... radient, showed an HPLC chromatogram abundant in hydrophilic proteinssuch as linkers and a significant amount of a- andb-phycocyan ins, and only traces of the allophycocyanins.On the contrary, ... sucrose gradientbands, HPLC analysis revealed that a- andb-ph ycocyaninsare the most abundant components. Their presence isparticularly prevalent in the heavier bands (bands 3–5), a ndit is ... subcomplexes. Each band wascollected with a syringe and analyzed by RP-HPLC. Besidesbeing more efficient than SDS/PAGE in discriminatingbetween the four allophycocyanins and phycocyanins,HPLC separation...
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Báo cáo khoa học: Thermosynechoccus elongatus DpsA binds Zn(II) at a unique three histidine-containing ferroxidase center and utilizes O2 as iron oxidant with very high efficiency, unlike the typical Dps proteins ppt

Báo cáo khoa học: Thermosynechoccus elongatus DpsA binds Zn(II) at a unique three histidine-containing ferroxidase center and utilizes O2 as iron oxidant with very high efficiency, unlike the typical Dps proteins ppt

... 105m)1Æcm)1, calculated with protparam (http://www.expasy.org).Removal of the His-tag A factor Xa cleavage site was created between the lastamino acid (valine) and the His-tag. Cleavage by factor Xaoccurs ... Havukainen H, Haataja S, Kauko A, Pulliainen AT,Salminen A, Haikarainen T, Finne J & PapageorgiouAC (2008) Structural basis of the zinc- and terbium-mediated inhibition of ferroxidase activity ... at 25 °C in air-equilibrated 50 mmMops (pH 7.0). The software datlab 4.2, furnished by themanufacturers, was used for data acquisition and analysis.Analytical ultracentrifugationSedimentation...
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Detection of an uncharged steroid with a silicon nanowire field effect transistor

Detection of an uncharged steroid with a silicon nanowire field effect transistor

... Farre, R. Ventura, Gas chromatography–mass spectrom-etry method for the analysis of 19-nor-4-androstenediol and metabolites inhuman plasma: Application to pharmacokinetic studies after oral ... was removed with HF solution. After defining the contact pad patterns, a stackof Ti (10 nm) and Au (100 nm) was then evaporated with a ther-mal evaporator and lifted off to create the contacts ... surface modification at variedstages, such as a treatment with APTES and also with BS3 and pro-tein as shown in Fig. 3. Fig. 3 also presents SEM images of AuNPon derivatized surfaces. As AuNPs were...
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