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Scientists developed graphene biosensor that could provide early lung cancer diagnosis

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6 years ago

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[vc_row][vc_column][vc_column_text]Scientists from the University of Exeter have developed a new technique that could create a highly sensitive graphene biosensor with the capability to detect molecules of most common lung cancer biomarkers.

The new biosensor design could revolutionize existing electronic nose (e-nose) devices, that identify specific components of a specific vapour mixture for example a person’s breath and analyses its chemical make-up to identify the cause.

The research team believes the newly developed device displays the potential to identify specific lung cancer markers at the earliest possible stage, in a convenient and reusable way, making it both cost-effective and highly beneficial for health service providers worldwide.

The research is published in the Royal Society of Chemistry’s peer-reviewed journal Nanoscale.

Ben Hogan, a postgraduate researcher from the University of Exeter and co-author of the paper explained: “The new biosensors which we have developed show that graphene has significant potential for use as an electrode in e-nose devices. For the first time, we have shown that with suitable patterning graphene can be used as a specific, selective and sensitive detector for biomarkers.”

Hogan further added, “We believe that with further development of our devices, a cheap, reusable and accurate breath test for early-stage detection of lung cancer can become a reality.”

The quest to discover viable new techniques to accurately detect early-stage lung cancer is one of the greatest global health care challenges.

Although it is one of the most common and aggressive cancers, killing around 1.4 million people worldwide each year, the lack of clinical symptoms in its early stages means many patients are not diagnosed until the latter stage, which makes it difficult to cure.

Due to the unrestrainable nature of the abnormal cancer cells, while they begin in one or both lungs, they are prone to spread to other parts of the body rapidly.

There are currently no cheap, simple, or widely available screening methods for early diagnosis of lung cancer.

Using multi-layered graphene, the team suggests that current e-nose devices—which combine electronic sensors with mechanisms for pattern recognition, such as a neural network—could revolutionize breath diagnostic techniques.

Using patterned multi-layered graphene electrodes, the team were able to show greater sensing capabilities for three of the most common lung-cancer biomarkers—ethanol, isopropanol and acetone—across a range of different concentrations.

The team believes this could be the first step towards creating new, improved and cheaper e-nose devices that could give the earliest possible lung-cancer diagnosis.

Multi-layer graphene as a selective detector for future lung cancer biosensing platforms is published in the journal Nanoscale.

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Festivals

Good Friday 2025: Messages and quotes to mark the day of Jesus Christ’s sacrifice

Christians mark Good Friday 2025 with prayers and reflection, commemorating Jesus Christ’s crucifixion and sharing messages of hope and faith.

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9 hours ago

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April 18, 2025

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Jesus Christ

On this Good Friday 2025, Christians across the globe are observing a day of solemnity and remembrance to commemorate the crucifixion of Jesus Christ. Falling on the Friday before Easter Sunday, this significant day in the Christian faith is marked with prayers, fasting, and spiritual contemplation. Often referred to as Holy Friday, Great Friday, or Black Friday, the day carries deep religious importance, symbolising the immense sacrifice Jesus made for the salvation of humanity.

The crucifixion of Christ: A pivotal moment in Christian faith

According to the New Testament, Good Friday marks the day when Jesus was crucified by Roman authorities, following accusations of blasphemy by Jewish religious leaders. The Gospels recount that Pontius Pilate, the Roman governor, sentenced Jesus to death by crucifixion, an act that has come to represent the ultimate expression of love and sacrifice in Christian theology.

Believers reflect on this day with reverence, acknowledging the pain and suffering that Jesus endured at Calvary. The crucifixion is not only a symbol of sacrifice but also of hope, as it leads to the resurrection celebrated on Easter Sunday.

Sharing messages of hope and faith

As people observe this sacred day, many reach out to loved ones with messages and prayers that reflect the solemnity and spiritual meaning of Good Friday. Here are some heartfelt wishes to share:

  • May your heart be filled with kindness, joy and happiness. Sending my wishes on the holy occasion of Good Friday.
  • May you and your loved ones be always showered with the choicest blessings of the Almighty.
  • On the occasion of Good Friday, I hope that the Lord keeps you safe always and surrounds your life with happiness.
  • When you lend a helping hand to others, you honour Jesus Christ and everything he stood for.
  • May the light of the Lord’s love shine upon you. Sending warm wishes and blessings on Good Friday.
  • Let us pray to Jesus Christ on this holy occasion of Good Friday and seek forgiveness for our sins.

Bible quotes to reflect on this Good Friday

  • “The steadfast love of the Lord never ceases; his mercies never come to an end; they are new every morning; great is your faithfulness.”
  • “Be strong and courageous. Do not be afraid or terrified because of them, for the Lord your God goes with you; he will never leave you nor forsake you.”
  • “He only is my rock and my salvation, my fortress; I shall not be shaken.”
  • “Let love be genuine. Abhor what is evil; hold fast to what is good.”
  • “In you, O Lord, I take refuge; let me never be put to shame. In your justice, rescue me.”

As the faithful gather to reflect on the sacrifice of Christ, Good Friday serves as a poignant reminder of compassion, forgiveness, and unwavering faith.

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Entertainment

How to turn your ideas into Ghibli-style AI images using ChatGPT

Discover how to create Studio Ghibli-style AI art for free using ChatGPT and other AI tools, with step-by-step instructions and alternative platforms.

Published

3 weeks ago

on

March 28, 2025

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AI-generated Studio Ghibli style art featuring fantasy landscape

A new wave of AI-generated art inspired by Studio Ghibli is taking the internet by storm, thanks to recent advancements in image generation technology. OpenAI’s latest update to ChatGPT now allows users to create visuals mimicking the dreamy, whimsical aesthetic of Japanese animation legend Hayao Miyazaki.

With just a simple text prompt, users can generate fantasy landscapes, expressive characters, and ethereal scenes reminiscent of classics like Spirited Away and My Neighbor Totoro. This trend has gained traction on social media, where Ghibli-style artworks are being widely shared.

How to generate Ghibli-style art using ChatGPT

To create these visuals, users can log into chat.openai.com and start a new chat. After entering a descriptive prompt—such as “Show me in Studio Ghibli style”—ChatGPT processes the request and displays a matching image, which can then be downloaded directly.

However, this feature is currently available only to users subscribed to ChatGPT’s Plus, Pro, Team, or other select plans. OpenAI’s CEO has acknowledged that demand has caused delays in offering image generation to all users.

Free alternatives for Ghibli-style image creation

For those not subscribed to ChatGPT’s paid tiers, several free AI tools offer similar capabilities:

  • Gemini and GrokAI: Generate detailed Ghibli-style visuals with well-phrased prompts.
  • Craiyon: A basic online AI tool that creates Ghibli-inspired imagery using simple descriptions.
  • Artbreeder: Enables users to blend and modify image styles, though some features are locked behind a paywall.
  • Runway ML, Leonardo AI, and Mage.space: These advanced platforms offer free trials and allow for intricate styling, such as capturing the soft textures or color schemes typical of Ghibli animations.

These tools open creative avenues for users to explore the world of AI art without spending a rupee.

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Lifestyle

Chaitra Navratri 2025: Kalash Sthapana muhurat and rituals for invoking Goddess Durga’s blessings

Chaitra Navratri 2025 begins on March 30 with Ghatasthapana. Learn about Kalash Sthapana muhurat, rituals, and the spiritual meaning behind the nine days of celebration.

Published

3 weeks ago

on

March 28, 2025

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Chaitra Navratri 2025

As the auspicious festival of Chaitra Navratri 2025 approaches, devotees are gearing up to observe the traditional Kalash Sthapana, also known as Ghatasthapana, on Sunday, March 30. This sacred ritual marks the start of the nine-day celebration dedicated to Goddess Durga and her nine divine forms.

Significance of Kalash Sthapana

The ritual of Kalash Sthapana is more than just a tradition—it signifies the establishment of a sacred space that welcomes the divine feminine energy. The Kalash, or sacred pot, symbolises purity, fertility, and prosperity. Performing this ritual during the correct muhurat is considered essential to invoke Goddess Durga’s blessings for health, fortune and spiritual growth.

To prepare for the ritual, the puja space is thoroughly cleaned and sanctified. A wooden platform or chowki is adorned with a red cloth, and nine varieties of grains are arranged over it before placing the Kalash. Devotees fill the Kalash with water, turmeric, vermilion, and five mango leaves. In front of it, barley seeds are sown in a clay pot, symbolising abundance and the beginning of creation.

Chaitra Navratri 2025 Ghatasthapana date and shubh muhurat

  • Date: March 30, 2025
  • Morning Muhurat: 6:13 am to 10:22 am
  • Abhijit Muhurat: 12:01 pm to 12:50 pm

Performing Kalash Sthapana within this time frame is believed to bring spiritual and material success.

Ritual guidelines for devotees

During Chaitra Navratri, devotees engage in rituals such as fasting, chanting, temple visits, and pujas dedicated to the Navadurga, the nine manifestations of Goddess Durga. A few key points for Kalash Sthapana include:

  • Position the Kalash before the idol or image of Goddess Durga
  • Light an Akhanda Deep, an uninterrupted lamp, next to the Kalash
  • Chant mantras to invoke the presence of the goddess

Nine days of Navadurga worship

Each day of Chaitra Navratri holds unique significance, with specific pujas performed for each avatar of Goddess Durga:

  • March 30 – Pratipada: Ghatasthapana & Shailputri Puja
  • March 31 – Dwitiya: Brahmacharini Puja
  • April 1 – Tritiya: Chandraghanta Puja
  • April 2 – Chaturthi: Kushmanda Puja
  • April 3 – Panchami: Skandamata Puja
  • April 4 – Shashti: Katyayani Puja
  • April 5 – Saptami: Kalaratri Puja
  • April 6 – Ashtami: Mahagauri Puja & Kanya Pujan
  • April 7 – Navami: Siddhidatri Puja & Ram Navami

Chaitra Navratri is celebrated during the spring season and is one of the two major Navratris in the Hindu calendar. The festival underscores the victory of light over darkness and good over evil, with each day promoting spiritual discipline and devotion.

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