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The coronavirus’s shape has an impact on how it spreads

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2 years ago

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The coronavirus’s shape has an impact on how it spreads

Since the start of the COVID-19 epidemic, images of the coronavirus SARS-CoV-2 have been permanently implanted in our minds. However, the virus is not exactly shaped like a sphere with spikes as we typically imagine it. Images taken under a microscope of infected tissues reveal coronavirus particles to be ellipsoidal in shape and to have a variety of compressed and elongated morphologies.

Researchers from Queen’s University in Canada and the Okinawa Institute of Science and Technology (OIST) in Japan are leading a global study team that has examined how different elliptical shapes affect how viral particles rotate within fluids, affecting how easy the virus can spread. Recent publication of the study in the journal Physics of Fluids.

According to Professor Eliot Fried, head of OIST’s Mechanics and Materials Unit, when coronavirus particles are breathed in, they move around inside the nose and lungs. “We want to know how mobile they are in these surroundings,” the researcher said.

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The speed at which particles rotate as they move through the fluid is controlled by rotational diffusivity, a particular type of movement that the scientists modelled (in the case of the coronavirus, droplets of saliva). Fluid drag is reduced and rotation speed is increased in smoother, more hydrodynamic particles. The ability of coronavirus particles to bind to and infect cells is influenced by their rotating speed.

In their research, the scientists modelled both prolate and oblate ellipsoids of revolution. Prolate shapes have one longer axis and oblate shapes have one shorter axis, which sets them apart from spheres (which have three axes of equal length). Prolate shapes grow into rod-like shapes when followed to their logical conclusion, whilst oblate shapes contract into coin-like shapes. On the other hand, coronavirus particles differ in a more subtle way.

The scientists improved the ellipsoids’ surface by coating them with spike proteins to create the most accurate model yet. The inclusion of triangular-shaped spike proteins slows the rotation of coronavirus particles, potentially increasing the virus’ ability to infect cells, according to earlier research from Queen’s University and OIST.

Each spike protein was represented by a single sphere on the surface of the ellipsoids in the scientists’ simplified model of the spike proteins.

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At order to determine the arrangement of the spikes on the surface of each ellipsoidal shape, Dr. Vikash Chaurasia, a postdoctoral researcher in the OIST Mechanics and Materials Unit, explained, “We then assumed that they all have the same charge. Similar charge spikes reject one another and seek out as much space as possible. They consequently surround the particle evenly, minimising its repulsion.

The researchers’ model revealed that a particle rotates more slowly the further it deviates from a spherical shape. This would suggest that the particles have improved alignment and cell-attachment abilities.

The model is still crude, the researchers acknowledge, but it advances our knowledge of the coronavirus’s transport characteristics and may help identify a factor that is crucial to the success of its infective process.

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Gurucharan Singh of Taarak Mehta Ka Ooltah Chashmah gets hospitalised and releases a video: “Zaada kharab ho gayi hai haalat bohot.” “Troubling News: Gurucharan Singh of Taarak Mehta Ka Ooltah Chashmah Hospitalized, Shares Worrying Update: ‘Zaada Kharab Ho Gayii Hai Haalat Bhoot'”

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2 weeks ago

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January 8, 2025

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Gurucharan Singh of Taarak Mehta Ka Ooltah Chashmah gets hospitalised and releases a video: “Zaada kharab ho gayi hai haalat bohot.” “Troubling News: Gurucharan Singh of Taarak Mehta Ka Ooltah Chashmah Hospitalized, Shares Worrying Update: ‘Zaada Kharab Ho Gayii Hai Haalat Bhoot'”

Gurucharan Singh gave a glimpse of his hospital room and himself. In the clip, he didn’t reveal the reason for getting hospitalised.
Actor Gurucharan Singh, who became famous for playing Roshan Sodhi in Taarak Mehta Ka Ooltah Chashmah, has been hospitalised. Taking to Instagram on Tuesday, Gurucharan shared a video of himself as he rested on the hospital bed.

Taarak Mehta’s Gurucharan Singh hospitalised

In the video, Gurucharan said that he was very unwell. The actor also gave a glimpse of his hospital room. He panned the camera towards his hand on which a cannula was seen. The actor was seen wearing a yellow and blue shirt. He wrapped himself in a shawl.

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What Gurucharan said about his health

The actor started the video by saying, “Haalat bohot zaada kharab ho gayi hai (My condition has gotten worse).” He then wished his fans for Gurpurab. Gurucharan continued, “My blood tests have been done. I will update you about my health soon. Haalat dekho (See my condition).” He, however, didn’t reveal the reason for getting hospitalised.

Sharing the caption, Gurucharan wrote, “DHAN DHAN SAHEB SIRI GURU GOBIND SINGH SAHEB MAHARAJ JI DE GURPURAB DIYA LAKH LAKH CRORE CRORE WADHAIYA Ji (folded hands emojis).

Kal GURPURAB te GURU SAHEB Ji ne mainu nava jeewan Bakshia, GURU SAHEB Ji nu Unlimited Infinite times Dhanvaad (Yesterday on Guru Purab, Guru Sahebji gave me a new lease on life. I thank him infinite times).”

“Ji te App saaria nu jinna de GURU SAHEB ji di Kirpa sadke Ajj aap Ji de saamne zinda haan, sabnu dilo namahkaar te Dhanvaad. Thank you to Everyone. RAB RAKHA G, TE, WAHEGURU G MEHAR KARAN G, WAHEGURU JI KA KHALSA WAHEGURU JI KI FATEH,” he concluded.

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Last year Gurucharan disappeared for weeks

Gurucharan made headlines in 2024 after he went missing in April. He returned to his Delhi home in May and said that he was facing some personal and professional issues, which led him to go on a “spiritual journey.”

In April, Gurucharan’s distressed father filed a complaint with Delhi Police, detailing his son’s sudden disappearance since his departure for Mumbai. According to his father’s statement, Gurucharan, who was visiting his parents in Delhi, was expected to return to Mumbai. But he never reached the city.

During the initial investigation, the police also found that the actor was operating multiple bank accounts for financial transactions and was frequently using credit cards despite not being in a sound fiscal state.

Gurcharan in TMKOC

Gurcharan played Roshan in Taarak Mehta Ka Ooltah Chashmah until 2012, but returned in 2013 due to his fans’ demand. He finally left the show in 2020. Balwinder Singh Suri replaced him. In a heartfelt video, Gurucharan appeared visibly weak and expressed his concerns, saying, “Zaada kharab ho gayi hai haalat bohot,” meaning his condition had deteriorated significantly.

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Gurucharan Singh, best known for his role as Sodhi in the popular TV show Taarak Mehta Ka Ooltah Chashmah, recently shared troubling news with his fans. The actor, who has been a fan favorite for years, was hospitalized due to health complications and took to social media to update his followers on his condition.

In the video, he assured his fans that he was receiving medical attention and thanked them for their support during this difficult time. His words resonated with his audience, who flooded social media with messages of concern and well-wishes for his speedy recovery. Gurucharan’s fans have been expressing their love for the actor, hoping to see him back on his feet soon.

#GurucharanSingh #TaarakMehtaKaOoltahChashmah #Hospitalized #HealthUpdate #ZaadaKharab #GetWellSoon #TMKOC #TVStars #SupportAndPrayers #RecoveryJourney

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Entertainment News Platforms – anyflix.in      
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