Results 201 to 210 of about 1,064,749 (319)

Necesitățile energetice și impactul ecologic nbsp;nbsp;nbsp;nbsp;

open access: yes, 2018
Producția, transportul și exploatarea energiei ndash; toate au un impact mare asupra mediului și a ecosistemelor. Din păcate, energia are aproape întotdeauna un impact negativ asupra mediului, de la dezastre ecologice directe, cum ar fi vărsarea petrolului, ploile acide și emisiile radioactive, la efectele indirecte, precum încălzirea globală ...
openaire   +1 more source

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

禁欲时间对精液参数及宫腔内人工授精妊娠率的影响

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2014
摘 要: 【目的】 探讨禁欲时间对精液参数及宫腔内人工授精(IUI)妊娠率的影响?【方法】 回顾性分析不育不孕患者共1 098个IUI治疗周期,检测记录每个周期的精液参数,包括精液体积?精子浓度?前向运动精子百分比(PR%)等;根据禁欲时间1(包括 < 24 h)?2?3?4?5?6?7 d分为7组,比较各组精液参数及妊娠率;女方患有子宫?输卵管?卵巢等病变的周期被排除后,共740个周期,比较各组妊娠率?
doaj  

Efficient RFLP-based Protocol for Routine Authentication of Drosophila. [PDF]

open access: yesMicroPubl Biol
Shiran MG   +5 more
europepmc   +1 more source

Hipertexto como herramienta docente en Geología, El [PDF]

open access: yes, 1999
Arlegui, Luis E.   +2 more
core  

AAA+ protein unfoldases—the Moirai of the proteome

open access: yesFEBS Letters, EarlyView.
AAA+ unfoldases are essential molecular motors that power protein degradation and disaggregation. This review integrates recent cryo‐electron microscopy (cryo‐EM) structures and single‐molecule biophysical data to reconcile competing models of substrate translocation.
Stavros Azinas, Marta Carroni
wiley   +1 more source

Systematic literature review of economic studies on nature-based social prescribing for health improvement. [PDF]

open access: yesBMC Prim Care
Puntscher S   +15 more
europepmc   +1 more source

Laser Profilometry Aiding Smart Vehicle Control

open access: yesInternational Journal on Smart Sensing and Intelligent Systems, 2020
Patruno, Cosimo   +4 more
openaire   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

open access: yesFEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

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