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Researchers Investigate Remote Control of Enzymes Using Laser Light


Researchers Investigate Remote Control of Enzymes Using Laser Light
Written by AZoOpticsMar 17 2021
The activity of enzymes in industrial processes, laboratories, and living beings can be remotely controlled using light. This requires their immobilization on the surface of nanoparticles and irradiation with a laser.
Near-infrared light can penetrate living tissue without damaging it. The nanoparticles absorb the energy of the radiation and release it back in the form of heat or electronic effects, triggering or intensifying the enzymes catalytic activity. This configures a new field of study known as plasmonic biocatalysis.
Research conducted at the University of São Paulo s Chemistry Institute (IQ-USP) in Brazil investigated the activity of enzymes immobilized on gold nanoparticles controlled by infrared laser irradiation. An article reporting the results is published in ....

United States , Roberto Manuel Torresi , Paulo Research Foundation , Paulo Chemistry Institute , American Chemical Society , Chemistry Institute , American Chemical , Heloise Ribeiro De Barros , Thematic Project , Roberto Manuel , ஒன்றுபட்டது மாநிலங்களில் , பாலொ ஆராய்ச்சி அடித்தளம் , பாலொ வேதியியல் நிறுவனம் , அமெரிக்கன் இரசாயன சமூகம் , வேதியியல் நிறுவனம் , அமெரிக்கன் இரசாயன , ஹெலோயிஸ் ரிபேீரோ டி பாரோஸ் , கருப்பொருள் ப்ராஜெக்ட் , ரொபெர்டோ மானுவல் ,

Study investigates activity of enzymes immobilized on gold nanoparticles controlled by infrared laser irradiation


Study investigates activity of enzymes immobilized on gold nanoparticles controlled by infrared laser irradiation
The activity of enzymes in industrial processes, laboratories, and living beings can be remotely controlled using light. This requires their immobilization on the surface of nanoparticles and irradiation with a laser. Near-infrared light can penetrate living tissue without damaging it.
The nanoparticles absorb the energy of the radiation and release it back in the form of heat or electronic effects, triggering or intensifying the enzymes catalytic activity. This configures a new field of study known as plasmonic biocatalysis.
Research conducted at the University of São Paulo s Chemistry Institute (IQ-USP) in Brazil investigated the activity of enzymes immobilized on gold nanoparticles controlled by infrared laser irradiation. An article reporting the results is published in ....

United States , Roberto Manuel Torresi , Emily Henderson , Paulo Research Foundation , Paulo Chemistry Institute , American Chemical Society , Chemistry Institute , American Chemical , Heloise Ribeiro De Barros , Thematic Project , Roberto Manuel , Ribeiro De Barros , Study Lead Author , Gold Nanoparticles , Transmission Electron Microscope , ஒன்றுபட்டது மாநிலங்களில் , எமிலி ஹென்டர்சன் , பாலொ ஆராய்ச்சி அடித்தளம் , பாலொ வேதியியல் நிறுவனம் , அமெரிக்கன் இரசாயன சமூகம் , வேதியியல் நிறுவனம் , அமெரிக்கன் இரசாயன , ஹெலோயிஸ் ரிபேீரோ டி பாரோஸ் , கருப்பொருள் ப்ராஜெக்ட் , ரொபெர்டோ மானுவல் , ரிபேீரோ டி பாரோஸ் ,

Study helps understand why kids of obese mothers may be susceptible to metabolic diseases


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IMAGE: Image of a mitofusin-2 deficient egg shows mitochondria [stained green] to be fewer, more aggregated, and swollen than in controls
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Credit: Marcos Chiaratti
A Brazilian study published in the journal
Molecular Human Reproduction helps understand why obese mothers tend to have children with a propensity to develop metabolic disease during their lifetime, as suggested by previous research.
According to the authors, transgenerational transmission of metabolic diseases may be associated with Mfn2 deficiency in the mother s oocytes (immature eggs). Mfn2 refers to mitofusin-2, a protein involved in the regulation of vascular smooth muscle cell proliferation. It is normally found in the outer membrane of mitochondria, the organelles that supply cells with energy. A deficiency leads to mitochondrial swelling and dysfunction, as well as altering the expression of almost 1,000 genes in female gametes. ....

Bruna Garcia , Carlos Ufscar , Alicia Kowaltowski , Marcos Chiaratti , Dissemination Centers Ridcs , Comorbidities Research Center , Paulo Research Foundation , Research On Redox Processes In Biomedicine Redoxome , Ufscar Center , Paulo Chemistry Institute , Health Sciences , Molecular Human Reproduction , Federal University , Redox Processes , Dissemination Centers , Chemistry Institute , புருனா கார்சியா , பாலொ ஆராய்ச்சி அடித்தளம் , பாலொ வேதியியல் நிறுவனம் , ஆரோக்கியம் அறிவியல் , மூலக்கூறு மனிதன் இனப்பெருக்கம் , கூட்டாட்சியின் பல்கலைக்கழகம் , ரெடாக்ஸ் ப்ரோஸெஸஸ் , பரப்புதல் மையங்கள் , வேதியியல் நிறுவனம் ,