โจทย์ ปรนัย
What percentage of the PCPs examined contained UV filters?

UV filters were used in 58% of the PCPs examined in this study. Products which contain UV lights were found to be skincare products (particularly sunscreen) and make-up products

พบใน 3.4. UV filters in personal care products

โจทย์ ปรนัย
Which of the following is NOT a category of PCPs mentioned in the study?

The PCPs analysed included rinse-off products (shampoos, body washes and cleansers), skincare products (body lotion, hand lotions, face creams and sunscreens) and make-up products (such as foundations and lip balm).

พบใน 2. Materials and methodology

โจทย์ ปรนัย
Which ingredient is commonly used as a preservative in PCPs?

In reference to Table 3, it can be concluded that Phenoxyethanol (47.8%) is the most dominant preservative used in PCPs found in South Africa as analysed in this study.

พบใน 3.3. Preservatives in personal care products

โจทย์ ปรนัย
What was the primary aim of the study discussed in the article?

The aim of this study was to investigate the presence of potentially toxic chemical ingredients of PCPs in South Africa by examining the product labels.

พบใน ABSTRACT

โจทย์ ปรนัย
Which of the following fragrances is considered a weak allergen but found frequently in PCPs?

The provided text explicitly identifies certain fragrances as "weak allergens" that are frequently found in Personal Care Products (PCPs), along with their respective percentages of occurrence in the surveyed products.

based on the information presented in the "Materials Today: Proceedings 105 (2024) 209–212" document, specifically within the section titled

โจทย์ ปรนัย
What does the term 'emerging pollutants' refer to in the context of the study?

As a result, PCPs are regarded as emerging environmental contaminants; arising from their persistence, exposure potentials, toxicity and environmental accumulation [3,4].

from the "1. Introduction" section of the document titled "Materials Today: Proceedings 105 (2024) 209–212".

โจทย์ ปรนัย
What percentage of skin care products examined contained fragrances?

According to the study, 69.5% of the skin care products examined contained fragrances.

presented in Table 1: "Summary on the frequency of occurrence and proportion of products containing three dominant chemical functions." within the document "Materials Today: Proceedings 105 (2024) 209–212".

โจทย์ ปรนัย
According to the study, which substance is toxic to aquatic life and can affect fertility?

According to the study, butylphenyl methylpropional is the substance that is toxic to aquatic life and has the potential to affect fertility.

presented in the "Materials Today: Proceedings 105 (2024) 209–212" document, specifically within the section titled "3.2. Fragrances in personal care products".

โจทย์ ปรนัย
Based on the study, which regulatory action is recommended due to the detection of harmful ingredients in PCPs despite their ban?

Based on the study, the recommended regulatory action due to the detection of harmful ingredients in Personal Care Products (PCPs) despite their ban is more stringent regulations on product labelling, product testing, and hazardous chemical regulation of PCPs in South Africa.

based on the "4. Conclusions" section of the document "Materials Today: Proceedings 105 (2024) 209–212".

โจทย์ ปรนัย
What are the potential health risks associated with chemicals in PCPs as mentioned in the study?

The reported health risks associated with chemical ingredients in PCPs (such as ultraviolet (UV) filters, parabens, and phthalates) include potential endocrine disruption and exhibition of estrogenic activity [1,2].

from various sections of the document "Materials Today: Proceedings 105 (2024) 209–212" that discuss the potential health impacts of chemicals in Personal Care Products (PCPs).

โจทย์ ปรนัย
What is the primary purpose of Process Analytical Technology (PAT)?

The primary purpose of Process Analytical Technology (PAT) is to design, analyze, and control manufacturing processes through real-time monitoring of process parameters and product quality attributes.

พบใน Abstract

โจทย์ ปรนัย
Which technology is often combined with reliable in-line sensors to enhance PAT systems?

"PAT systems include a combination of reliable in-line sensors, spectroscopic instruments and Multivariate Statistical Methods (MSMs) to provide informative knowledge for quality assessment of powdered and granule products."

พบใน Abstract

โจทย์ ปรนัย
What does data fusion primarily help improve in PAT systems?

Data fusion primarily helps improve the performance and robustness of models used for data interpretation in PAT systems. By merging related outputs from multiple sources, it generates more accurate knowledge about process conditions and performance.

derived from the "Abstract" and "3.1. Data fusion approaches" sections of the document "Original Research Paper Multi-sensors data fusion for monitoring of powdered and granule products: Current status and future perspectives".

โจทย์ ปรนัย
Which is NOT a listed advantage of continuous processing of powdered and granule products?

Continuous processing of powdered and granule products comprising the integration of multiple unit operations in one production system is getting more attention due to advantages in improved productivity, product quality and financial services."

based on the "1. Introduction" section of the "Original Research Paper Multi-sensors data fusion for monitoring of powdered and granule products: Current status and future perspectives" document.

โจทย์ ปรนัย
Which of the following is considered a Critical Quality Attribute (CQA) for powdered and granule products?

here are a number of key CQAs that must be checked through real-time monitoring in powdered and granule products, which bring in return significant impact on the quality of products as well as economics of the production. In many industrial sectors involved in manufacturing and handling of powdered and granule products, key CQAs include homogeneity in powder mixtures [7], particle size [8–10], powder flowability [11,12], moisture content [13–15], bulk density [9,16,17], particle strength and hardness [18–20], morphological forms [21,22], together with other quality attributes

based on the "1. Introduction" section of the "Original Research Paper Multi-sensors data fusion for monitoring of powdered and granule products: Current status and future perspectives" document.

โจทย์ ปรนัย
What does the integration of multiple unit operations in one production system characterize?

Continuous processing of powdered and granule products comprising the integration of multiple unit operations in one production system is getting more attention due to advantages in improved productivity, product quality and financial services

based on the "1. Introduction" section of the "Original Research Paper Multi-sensors data fusion for monitoring of powdered and granule products: Current status and future perspectives" document.

โจทย์ ปรนัย
What challenge does the article highlight about handling granular materials?

Handling (e.g. transporting, conveying, storing, dosing) of granular materials used for manufacturing of end particulate products is known to be challenging due to their complex material attributes which hinder an establishment of general constitutive equations relating shear rates and stresses

based on the "2.1. Objectives of a PAT framework" section of the "Original Research Paper Multi-sensors data fusion for monitoring of powdered and granule products: Current status and future perspectives" document.

โจทย์ ปรนัย
Which approach is specifically mentioned as useful for handling large analytical datasets in continuous processes?

In that sense, data fusion could be utilized in the field of PAT for an efficient handling of large analytical datasets in continuous processes

based on the "1. Introduction" section of the "Original Research Paper Multi-sensors data fusion for monitoring of powdered and granule products: Current status and future perspectives" document.

โจทย์ ปรนัย
What does the future perspective section suggest about the integration of PAT and multi-sensor data fusion

The future perspective section suggests that the integration of PAT and multi-sensor data fusion holds significant promise for improving the accuracy and robustness of models for assessing Critical Quality Attributes (CQAs) in powdered and granular materials, enabling real-time monitoring, fault detection, and advanced process control

based on the "4. Future perspectives of data fusion for powdered and granule characterisation" section of the document "Multi-sensors data fusion for monitoring of powdered and granule products: Current status and future perspectives."

โจทย์ ปรนัย
Which technique is mentioned as crucial for designing, analyzing, and controlling manufacturing through monitoring?

Process Analytical Technology (PAT) is a systematic approach for monitoring of process parameters and product quality attributes and nowadays is considered for continuous processing of many industrial products. It is a mechanism to design, analyse and control manufacturing processes through on-line, in-line, at-line and off-line configurations for monitoring Critical Quality Attributes. PAT systems include a combination of reliable in-line sensors, spectroscopic instruments and Multivariate Statistical Methods (MSMs) to provide informative knowledge for quality assessment of powdered and granule products."

based on the "1. Introduction" section of the "Original Research Paper Multi-sensors data fusion for monitoring of powdered and granule products: Current status and future perspectives" document.