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1. Biodegradable patch: Patches that are designed to gradually degrade as the wound heals, reducing the need for frequent dressing changes.

2. Nanotechnology: Nanostructured patches that can release therapeutic agents in a controlled manner and promote tissue regeneration at the nanoscale.

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1. Actively participate & engage in discussion. Answer in the group chat. Be responsible

2. Submit assignment on time, don’t do tasks in the last minute

3. Let other member know if you're unable to attend during the presentation (in the week you're presenting)

4. Answer the queries and be responsible for the assigned tasks

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1. Alginate Bandages: Alginate can be formed into a flexible bandage-like material that conforms to the shape of the wound. It's absorbent and can maintain a moist wound environment. Alginate bandages are relatively easy to manufacture and can be cost-effective.

2. Chitosan Bandages: Similar to alginate, chitosan can be formed into bandage-like materials. Chitosan has antimicrobial properties, which can help prevent infections in the wound. Chitosan bandages are biodegradable and can provide a protective barrier over the wound.

3. Cellulose Bandages: Cellulose can be processed into thin films or fibers that can be used to create bandage-like dressings. Cellulose bandages are lightweight, breathable, and biodegradable. They can conform well to the wound area and provide a protective covering.

4. PLA Bandages: PLA can be formed into thin films or fibers suitable for bandage applications. PLA bandages are biodegradable, lightweight, and have good mechanical strength. They can provide a protective covering over the wound while allowing for breathability.

5. Wheat Gluten Bandages: Wheat gluten can be processed into flexible films or membranes that can be used as bandages. Wheat gluten bandages are biodegradable and can conform to the shape of the wound. They may require additional processing to improve flexibility and adhesion properties.

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New Innovative Idea (Color-Changing Wound Patch)

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New Innovative Idea (Color-Changing Wound Patch)

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While medical dressings are effective at protecting the site of an injury, to examine a wound they must be removed. This can not only be painful for a patient, but it can also allow germs to enter the wound and cause infection.

Now, scientists at the Fraunhofer Research Institution for Modular Solid State Technologies EMFT in Munich have developed dressing materials and plasters that do not need to be removed to check the state of a wound - they indicate pathological changes in the skin by changing from yellow to purple.

Dr Sabine Trupp, a scientist at the EMFT, said: 'We have developed an indicator dye which reacts to different pH values, and we have integrated it into a dressing and a plaster. Healthy skin and healed wounds usually show a pH value of below five. If this value increases, it indicates complications in the healing of the wound. If the pH value is between 6.5 and 8.5 an infection is frequently present and the indicator colour strip turns purple.'

Production of the colour-control strip posed a number of challenges for the research scientists as it had to meet several different requirements.

'The dye had to remain chemically stable when bonded to the fibres of the dressing material or the plaster to ensure that it does not get into the wound. At the same time, the indicator had to show a clear change in colour and also react sensitively in the right pH range,' said Trupp.

A prototype of the dressing has already been produced and initial tests have proved successful. The next step will be to use the dressing in a hospital environment at the University of Regensburg's dermatology clinic.

At present Trupp and her team are looking for an industrial partner to produce the dressing commercially.

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Dressing changes colour to indicate state of a wound - The Engineer

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While medical dressings are effective at protecting the site of an injury, to examine a wound they must be removed. This can not only be painful for a patient, but it can also allow germs to enter the wound and cause infection.

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1. Wound Dressing (hydrocolloid patches) ✅

2. Flexible face tape (safe for skin)

3. Acne patch with microneedle

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Athletes

Dermatologists

Pharmacists

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Develop a wound dressing (hydrocolloid patch)

Define consumer needs through interviewing real expert users (athlete, dermatologist, and pharmacist)

Target also foreigners in Korea by using two-sided packaging both in English and Korean

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Name: NAN다 or Nan다 Biodregrable Patch

Slogan: "Smart Healing, Naturally"

Size: Multiple sizes in one package

Possible materials: Polymer-based nano particles

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Potential Customer Needs

Effective wound healing

Secure adhesion

Moisture management

Comfort

Infection Prevention

Ease of application

Temperature resistance

Breathability

Longevity

Potential Functional Requirements

Adhesive formula (type, thickness, strength)

Dispenser design (Packaging)

Wound healing agents

Material flexibility, absorbality, and breathability

Dressing shape and size

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Consumers who tend to use and need the hydrocolloid patches in a great amount on a daily basis

Foreigners in Korea (bilingual packaging, instruction manuals)

Athletes

Dermatologists

Pharmacists

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Group Name: Fantastic Four

Leader: Dewi Anyelir Riskya

Marketing manager: 박민하

Production manager: Saanvi Upadhyay, 김 아나스타씨야

Expert user: Putri Aisha Ardelia