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Bringing CAM photosynthesis to the table:Paving the way for resilient and productive agricultural systems in a changing climate

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Plant Communications 2024年第3期5卷 17-30页

作者： noe´perron Matias Kirst Sixue Chen Plant Molecular and Cellular Biology Program University of FloridaGainesvilleFL 32608USA School of Forest Fisheries and Geomatics SciencesUniversity of FloridaGainesvilleFL 32603USA Department of Biology University of MississippiOxfordMS 38677-1848USA

Modern agricultural systems are directly threatened by global climate change and the resulting freshwater crisis.A considerable challenge in the coming years will be to develop crops that can cope with the conse-quences of declining freshwater resources and changing *** approach to meeting this chal-lenge may lie in our understanding of plant photosynthetic adaptations and water use *** from various taxa have evolved crassulacean acid metabolism(CAM),a water-conserving adaptation of photosynthetic carbon dioxidexation that enables plants to thrive under semi-arid or seasonally drought-prone *** past research on CAM has led to a better understanding of the inner workings of plant resilience and adaptation to stress,successful introduction of this pathway into C3 or C4 plants has not been *** recent revolution in molecular,systems,and synthetic biology,as well as innovations in high-throughput data generation and mining,creates new opportunities to uncover the minimum genetic tool kit required to introduce CAM traits into drought-sensitive ***,we pro-pose four complementary research avenues to uncover this tool ***,genomes and computational methods should be used to improve understanding of the nature of variations that drive CAM ***,single-cell’omics technologies offer the possibility for in-depth characterization of the mecha-nisms that trigger environmentally controlled CAM ***,the rapid increase in new’omics data enables a comprehensive,multimodal exploration of ***,the expansion of functional geno-mics methods is paving the way for integration of CAM into farming systems.

关键词： CAM photosynthesis single-cell genomics phylogenetics crop engineering synthetic biology stress resilience

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Brain age estimation:premise,promise,and problems

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Neural Regeneration Research 2025年第8期20卷 2313-2314页

作者： Jarrad perron Ji Hyun Ko Graduate Program in Biomedical Engineering Price Faculty of EngineeringUniversity of ManitobaWinnipegMBCanada PrairieNeuro Research Centre Kleysen Institute for Advanced MedicineHealth Sciences CentreWinnipegMBCanada Department of Human Anatomy and Cell Science Rady Faculty of Health SciencesUniversity of ManitobaWinnipegMBCanada

Premise:The com bined effects of modern healthcare practices which prolong lifespan and declining birthrates have created unprecedented changes in age demographics worldwide that are especially pronounced in Japan,South Korea,Europe,and North *** old age is the most significant predictor of dementia,global healthcare systems must rise to the challenge of providing care for those with neurodegenerative disorders.

关键词： estimation providing birth

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Odako Growth of Dense Arrays of Single-Walled Carbon Nanotubes Attached to Carbon Surfaces

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Nano Research 2009年第7期2卷 526-534页

作者： Cary L.Pint noe T.Alvarez Robert H.Hauge Department of Physics and Astronomy Rice UniversityHoustonTX 77005USA Department of Chemistry Rice UniversityHoustonTX 77005USA Richard E.Smalley Institute for Nanoscale Science and Technology Rice UniversityHoustonTX 77005USA

A novel process is demonstrated whereby dense arrays of single-walled carbon nanotubes(SWNT)are grown directly at the interface of a carbon material or carbon *** growth process combines the concepts of SWNT tip growth and alumina-supported SWNT base growth to yield what we refer to as“odako”*** odako growth,an alumina fl ake detaches from the carbon surface and supports catalytic growth of dense SWNT arrays at the tip,leaving a direct interface between the carbon surface and the dense SWNT *** addition to being a new and novel form of SWNT array growth,this technique provides a route toward future development of many important applications for dense aligned SWNT arrays.

关键词： Carbon nanotubes carbon fibers chemical vapor deposition

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Schwarzschild Quantum Light Geodesics Metric: A Pair of BH-Inner WH

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Journal of High Energy Physics, Gravitation and Cosmology 2021年第3期7卷 1089-1101页

作者： Jean perron Department of Applied Sciences Université du Québec à Chicoutimi Chicoutimi Canada

In this article we hypothesized that the arrow of time and space evolve in a discontinuous way in the form of quanta (t=ntp, s=mlp). We applied this reasoning to the light geodesics of Schwarzschild’s metric (dsmin=lp) and obtained different characteristics of the BH. Indeed, quantum light geodesics show that inside the BH a WH is formed and the mass (energy) is not directing towards the singularity r→0 but rather around the BH near the EH as a thick skin (tickness ). The total relativistic energy invariant is satisfied for the entire route of the photons. Subsequently, as mass (energy) is found directly at the EH, we applied the quantum tunnel effect in simple semi-classical analysis, and we obtained that particles like protons can leave the EH and that the energy associated with them is in the order of magnitude of Hawking’s radiation. However, the energy of the protons is not necessarily identified with that of the black body (photonic or electromagnetic). Finally, it would be interesting to see the impacts of this quantum light geodesics (dsmin=lp) on other cases like Kerr’s metric.

关键词： Black Hole White Hole Schwarzschild Metric Quantum Spacetime Tunnel Effect

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An Alternative to Dark Matter? Part 3: An Open Universe (3 Gy to 76 Gy) Galaxies and Structures Rotation

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Journal of High Energy Physics, Gravitation and Cosmology 2021年第3期7卷 844-872页

作者： Jean perron Department of Applied Sciences UQAC 555 boul Université Chicoutimi Canada

A cosmological model was developed using the equation of state of photon gas, as well as cosmic time. The primary objective of this model is to see if determining the observed rotation speed of galactic matter is possible, without using dark matter (halo) as a parameter. To do so, a numerical application of the evolution of variables in accordance with cosmic time and a new state equation was developed to determine precise, realistic values for a number of cosmological parameters, such as energy of the universe U, cosmological constant EΛ, curvature of space k, energy density ρΛe, age of the universe tΩ (part 1). That energy of the universe, when taken into consideration during the formation of the first galaxies (FΛ(r), which can partially explain, without recourse to dark matter, the rotations of some galaxies, such as M33, UGC12591, UGC2885, NGC3198, NGC253, DDO161, UDG44, the MW and the Coma cluster. Today, in the MW, that cosmological gravity force is in the order of 1026 times smaller than the conventional gravity force. The model predicts an acceleration of the mass in the universe (q~-0.986);the energy associated with curvature Ek is the driving force behind the expansion of the universe, rather than the energy associated with the cosmological constant EΛ. An equation to determine expansion is obtained using the energy form of the Friedmann equation relative to Planck power PP and cosmic time or Planck force FP acting at the frontier of the universe moving at c. This constant Planck force, from unknown sources, acts everywhere to the expansion of the un

关键词： Galaxies Kinematic and Dynamic Galaxies Coma Cluster Galaxies Evolution

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Hubble Tension Explanation from This Cosmological Model AΛΩ (Slow Bang Model, SB)

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Journal of High Energy Physics, Gravitation and Cosmology 2024年第1期10卷 106-125页

作者： Jean perron Department of Applied Sciences Université du Québec à Chicoutimi Saguenay Canada

In this article we present a model of Hubble-Lemaître law using the notions of a transmitter (galaxy) and a receiver (MW) coupled to a model of the universe (Slow Bang Model, SB), based on a quantum approach of the evolution of space-time as well as an equation of state that retains all the infinitesimal terms. We find an explanation of the Hubble tension H0. Indeed, we have seen that this constant depends on the transceiver pair which can vary from the lowest observable value, from photons of the CMB (theoretical [km/s/Mpc]) to increasingly higher values depending on the earlier origin of the formation of the observed galaxy or cluster (ETG ~0.3 [Gy], ~74 [km/s/Mpc]). We have produced a theoretical table of the values of the constant according to the possible pairs of transmitter/receiver in the case where these galaxies follow the Hubble flow without large disturbance. The calculated theoretical values of the constant are in the order of magnitude of all values mentioned in past studies. Subsequently, we applied the models to 9 galaxies and COMA cluster and found that the models predict acceptable values of their distances and Hubble constant since these galaxies mainly follow the Hubble flow rather than the effects of a galaxy cluster or a group of clusters. In conclusion, we affirm that this Hubble tension does not really exist and it is rather the understanding of the meaning of this constant that is questioned.

关键词： Model of the Universe Cosmological Constant Hubble Constant Hubble’s Tension Hubble-Lemaître Law Hubble’s Flow

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Horizontally Solidified Al-3 wt%Cu-(0.5 wt%Mg)Alloys:Tailoring Thermal Parameters,Microstructure,Microhardness,and Corrosion Behavior

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Acta Metallurgica Sinica(English Letters) 2019年第6期32卷 695-709页

作者： Andre Barros Clarissa Cruz Adrina P.Silva noe Cheung Amauri Garcia Otavio Rocha Antonio Moreira Institute of Technology Federal University of Para-UFPABelemPA 66075-110Brazil Federal Institute of Education Science and Technology of Para-IFPABelemPA 66093-020Brazil Department of Manufacturing and Materials Engineering University of Campinas-UNICAMPCampinasSP 13083-860Brazil

In the present experimental investigation,Al–3 wt%Cu and Al–3 wt%Cu–0.5 wt%Mg alloys castings are produced by a horizontal solidification technique with a view to examining the interrelationship among growth rate(GR),cooling rate(CR),secondary dendrite arm spacing(λ2),Vickers microhardness(HV),and corrosion behavior in a 0.5 M NaCl *** intermetallic phases of the as-solidified microstructures,that is,h-Al2Cu,S–Al2CuMg,and x-Al7Cu2 Fe,are subjected to a comprehensive characterization by using calculations provided by computational thermodynamics software,optical microscopy,and scanning electron microscopy/energy-dispersive ***,electrochemical impedance spectroscopy and potentiodynamic polarization tests have been applied to analyze the corrosion performance of samples of both alloys ***–Petch-type equations are proposed to represent the HV dependence onλ*** is shown that the addition of Mg to the Al–Cu alloy has led to a considerable increase in HV;however,the Al–Cu binary alloy is shown to have lower corrosion current density(icorr)as well as higher polarization resistance as compared to the corresponding results of the Al–Cu–Mg ternary alloy.

关键词： Aluminum alloys Solidification Dendritic microstructure Intermetallic phases Microhardness Corrosion resistance

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An Alternative to the Dark Matter? Part 2: A Close Universe (10<sup>-9</sup>s to 3 Gy), Galaxies and Structures Formation

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Journal of High Energy Physics, Gravitation and Cosmology 2021年第3期7卷 808-843页

作者： Jean perron Department of Applied Sciences Université du Québec à Chicoutimi Chicoutimi Canada

A cosmological model was developed using the equation of state of photon gas, as well as cosmic time. The primary objective of this model is to see if determining the observed rotation speed of galactic matter is possible, without using dark matter (halo) as a parameter. To do so, a numerical application of the evolution of variables in accordance with cosmic time and a new state equation was developed to determine precise, realistic values for a number of cosmological parameters, such as the energy of the universe U, cosmological constant Λ, the curvature of space k, energy density ρΛe (part 1). The age of the universe in cosmic time that is in line with positive energy conservation (in terms of conventional thermodynamics) and the creation of proton, neutron, electron, and neutrino masses, is ~76 [Gy] (observed ~ 70 [km · s-1 · Mpc-1]). In this model, what is usually referred to as dark energy actually corresponds to the energy of the universe that has not been converted to mass, and which acts on the mass created by the energy-mass equivalence principle and the cosmological gravity field, FΛ, associated with the cosmological constant, which is high during the primordial formation of the galaxies (Pc0 and thus determine our possible relative position in the universe at cosmic time 0.1813 (t0/tΩ = 13.8[Gy]/76.1[Gy]). Therefore, from the observed age of 13.8 [Gy], we can derive a possible cosmic age of ~76.1 [Gy]. That energy of the universe, when taken into consideration during the formation of the first galaxies (<1 [Gy]), provides a relatively adequate explanation of the non-Keplerian rotation of galactic masses.

关键词： Cosmological Parameters Numerical Values Cosmology Early Universe Galaxies Kinematic and Dynamic

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ETG Galaxies (<400 [My]) from JWST Already Predicted in 2019 from This Cosmological Model AΛΩ (Slow Bang Model, SB)

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Journal of High Energy Physics, Gravitation and Cosmology 2023年第3期9卷 800-834页

作者： Jean perron Department of Applied Sciences Université du Québec à Chicoutimi Saguenay Canada

A model of the universe (preprint 2019), based on a quantum approach to the evolution of space-time as well as on an equation of state that retains all the infinitesimal terms, has made it possible to estimate a large number of parameters relating to the universe and in particular the estimation of a colossal phantom energy EΛ represented by the existence of a hidden photon ŷpresent everywhere. This energy undergoes dilution in H4 due to expansion of the universe. In order to introduce the effects of this energy on the curvature of space-time, we chose to express it by the cosmological constant Λ in the equation of the GR via the element tensor T00. This positive energy EΛ which acts as additional effect to gravity and we have expressed this energy in the form of an equation which expresses a so-called cosmological force FΛ. We estimated that this photon or hidden particle of spin 1 has an energy ~1 [meV] at our cosmic position t0 which makes it an ultra-light axion ULA. Subsequently, with the action of this augmented force, especially in the first 400 [My] we were able to explain, in part, the rapid development of galaxy formation as seen by JWST as well as several observed dynamic behaviors of the barionic mass of some galaxies as MW, M33, UGC12591, NGC3198, UGC2885 and NGC253 whose observations raise questions and require additional explanations that led to the likely existence of unobserved matter called DM. However, it appears that this cosmological force makes it possible to explain several observations without the use of this DM. A first conclusion was drawn, namely the much earlier formation of galaxies by the action of this cosmological force coupled with gravity (GLASS z12). In addition, the model made it possible to explain the need or not to use the concept of DM for ETGs and LTGs by the more or less early and long period of the beginning of galaxy formation over a period ranging fro

关键词： Model of Universe ETG LTG UDG Cosmological Constant Hidden Photon Hidden Boson GLASS z12

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Quantum Mechanics Hypothesis of Solar System Structure: Quantum de Broglie Wavelength, LQG Similitude and Slow Bang Theory (SB)

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Journal of High Energy Physics, Gravitation and Cosmology 2022年第3期8卷 835-852页

作者： Jean perron Department of Applied Sciences Université du Québec à Chicoutimi Saguenay Canada

This idea of quantifying the energy of bodies orbiting the Sun is not new. We have identified that quantization applies well if we use the true quantum number associated with the true energy state of rotating bodies. This quantum number is very high for the main bodies or planets (10~70 to 76). However, since quantum energy levels E are very high and ΔE very low we observe that bodies can in practice occupy all orbits. Thus, the current observed stable positions of the bodies are the results of the quantization and the sum of the effects of other perturbative phenomena. To find a quantum state starting with n = 1, we expressed the true integer quantum numbers as a function of that of the planet Mercury and we find an excellent correlation. However, the search for a correlation of prediction of the average orbital radius of bodies using the simple integer number n = 1, 2, 3, 4, 5, 6, 7, … is not excellent for bodies beyond the planet Pluto. Indeed, several trans-Neptunian bodies have similar integer quantum numbers, which poses a problem in the sequence of integer numbers beyond 10. Moreover, it appears that the trans-Neptunian bodies seem to be grouped for many of them according to relatively well-defined bands. The study made it possible to question the de Broglie wavelength of bodies (10~-58 to -65 m). Indeed, with the hypothesis of Planck quantities that would apply to the scale of the universe, it is difficult to conceive that de Broglie wavelengths are less than the Planck length lp. This led to an expression of the modified de Broglie wavelength λm that predicts an asymptotic lower limit value equal to πlp. This modified de Broglie wavelength makes it possible to obtain a better correlation for the prediction of the average orbital radius of bodies. Finally, this modified wavelength of de Broglie made it possible to put into perspective the concept of the quantification of space with the idea of the minimu

关键词： Solar System de Broglie Wavelength Quantum Mechanics Loop Quantum Gravity LQG

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