Results 41 to 50 of about 219,709 (314)

Cell geometry and membrane protein crowding constrain Escherichia coli growth rate, overflow metabolism, respiration, and maintenance energy

open access: yesFEBS Letters, EarlyView.
The physical dimensions and shape of bacterial cells define the surface area available to acquire nutrients and the volume available for synthesizing proteins and DNA. Here, we use computational systems biology to decode the importance of cell geometry as a major determinant of prokaryotic phenotype, including growth rate and metabolic efficiency. This
Ross P. Carlson   +6 more
wiley   +1 more source

Optimisation of big N-width digits multiplication based on N-width DFT [PDF]

open access: yes, 2015
It is considered multidigit multiplication, that has biggest influence on asymmetric cryptography performance. It is given detailed description of N-digit multiplication algorithm that is based on FFT of the length of N using of "unpacking" and
Tereshchenko, A.N., Zadiraka, V.K.
core  

Optical techniques for real-time binary multiplication [PDF]

open access: yes, 1986
An optical system which performs the multiplication of binary numbers is described and proof-of-principle experiments are performed. The simultaneous generation of all partial products, optical regrouping of bit products, and optical carry look-ahead ...
Walkup, John F.   +2 more
core   +1 more source

Construction of an ultrahigh-density genetic linkage map for Manihot esculenta Crantz and identification of QTL for root quantity traits

open access: yesBMC Plant Biology
Cassava, Manihot esculenta Crantz, is the main raw material used in starch production in China. However, due to the small planting scale and high demand in China, large-scale imports are needed.
Qi Liu   +10 more
doaj   +1 more source

Development of a Multiplex RT-PCR Assay for Simultaneous Detection of Velarivirus arecae, Arepavirus arecae and Arepavirus arecamaculatum

open access: yesPlants
Areca Palm Velarivirus 1 (Velarivirus arecae, APV1), Areca palm necrotic ringspot virus (Arepavirus arecae, ANRSV), and Areca palm necrotic spindle-spot virus (Arepavirus arecamaculatum, ANSSV) are major viral pathogens that cause significant economic ...
Kexin Sun   +4 more
doaj   +1 more source

Electron transfer between complexes III and IV in S. cerevisiae mitochondrial membranes

open access: yesFEBS Letters, EarlyView.
Mitochondrial oxidative phosphorylation in S. cerevisiae mitoplasts is limited by complex IV catalytic capacity, rather than two‐dimensional cytochrome c diffusion. At physiological cytochrome c : supercomplex ratios at salinity equivalent to that of 20 mm monovalent salt, activity is maximized, indicating that this low ionic strength accurately mimics
Ana Paula Lobez   +2 more
wiley   +1 more source

3-Dimensional L-Summing Method [PDF]

open access: yes, 2005
In this short note, we apply L-Summing Method on some 3-dimensional multiplication tables to yield some new identities involving Riemann zeta ...
Hassani, Mehdi
core  

Effects of Deep Shading on Agronomic Traits, Coloration, and Antioxidant Properties in Sweetpotato Leaves

open access: yesPlants
The vegetable sweetpotato (Ipomoea batatas L.) is a novel, specialized type, cultivated for its tender stems and leaves, which are rich in nutrients and bioactive compounds.
Yang Lu   +8 more
doaj   +1 more source

Salmonella lipopolysaccharide‐containing supported lipid bilayers as platforms to study bacteriophage interactions

open access: yesFEBS Letters, EarlyView.
We present robust protocols for the preparation of supported lipid bilayers (SLBs) incorporating either Salmonella smooth LPS or outer membrane vesicles (OMVs). We use a combination of quartz crystal microbalance with dissipation (QCM‐D) and fluorescence microscopy to both characterize the SLBs of various compositions and to probe their interactions ...
Hudson P. Pace   +6 more
wiley   +1 more source

Multiplication cubes and multiplication automata [PDF]

open access: yes, 2023
We extend previously known two-dimensional multiplication tiling systems that simulate multiplication by two natural numbers $p$ and $q$ in base $pq$ to higher dimensional multiplication tessellation systems.
Kopra, Johan
core   +1 more source

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