Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Arteries of the Head and Neck01:26

Arteries of the Head and Neck

3.6K
The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
3.6K
Veins of Head and Neck01:19

Veins of Head and Neck

5.8K
The blood drainage from the head and neck is primarily managed by three pairs of veins: the external jugular, internal jugular, and vertebral veins. The external jugular veins drain superficial scalp and face structures, passing over the sternocleidomastoid muscles to empty into the subclavian veins.
On the other hand, the vertebral veins, unlike their arterial counterparts, are not primarily responsible for brain drainage. Instead, they drain the cervical vertebrae, spinal cord, and some small...
5.8K
Fast Fourier Transform01:10

Fast Fourier Transform

976
The Fast Fourier Transform (FFT) is a computational algorithm designed to compute the Discrete Fourier Transform (DFT) efficiently. By breaking down the calculations into smaller, manageable sections, the FFT significantly reduces the computational complexity involved. Direct computation of an N-point DFT requires N2 complex multiplications, whereas the FFT algorithm needs only (N/2)log⁡2N multiplications, offering a much faster performance.
The computational efficiency of the FFT becomes...
976
Properties of Fourier Transform I01:21

Properties of Fourier Transform I

691
The application of Fourier Transform properties in radio broadcasting is multifaceted, enabling significant advancements in the way signals are transmitted and received. Key areas where these properties are utilized include simultaneous multi-channel transmission, audio clip speed adjustments, live broadcast delays for different time zones, audio frequency adjustments, and signal demodulation.
In radio broadcasting, multiple audio signals often need to be transmitted simultaneously. The Fourier...
691
Properties of Fourier Transform II01:24

Properties of Fourier Transform II

799
The Fourier Transform (FT) is an essential mathematical tool in signal processing, transforming a time-domain signal into its frequency-domain representation. This transformation elucidates the relationship between time and frequency domains through several properties, each revealing unique aspects of signal behavior.
The Frequency Shifting property of Fourier Transforms highlights that a shift in the frequency domain corresponds to a phase shift in the time domain. Mathematically, if x(t) has...
799
Discrete Fourier Transform01:15

Discrete Fourier Transform

929
The Discrete Fourier Transform (DFT) is a fundamental tool in signal processing, extending the discrete-time Fourier transform by evaluating discrete signals at uniformly spaced frequency intervals. This transformation converts a finite sequence of time-domain samples into frequency components, each representing complex sinusoids ordered by frequency. The DFT translates these sequences into the frequency domain, effectively indicating the magnitude and phase of each frequency component present...
929

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Association between low temporalis muscle thickness and chemoradiotherapy-induced leukopenia in head and neck squamous cell carcinoma.

Acta oto-laryngologica·2026
Same author

Longitudinal changes in oral and swallowing functions following radiotherapy or chemoradiotherapy in patients with hypopharyngeal cancer: a retrospective study.

BMC oral health·2026
Same author

A potent and selective PHOX2B promoter-driven oncolytic adenovirus for targeted neuroblastoma therapy.

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie·2026
Same author

Distinct peripheral coagulation-fibrinolysis profiles in eosinophilic and non-eosinophilic chronic rhinosinusitis.

Allergology international : official journal of the Japanese Society of Allergology·2026
Same author

High intrapancreatic fat deposition accelerates pancreatic ductal adenocarcinoma growth and metastasis with enrollment of FABP5 upregulation.

Scientific reports·2026
Same author

Modified chopsticks technique (M-CHOP) in endoscopic nasal surgery: A single-surgeon approach for stable visualization and precision.

Auris, nasus, larynx·2026

関連する実験動画

Updated: Feb 14, 2026

Fast and Accurate Exhaled Breath Ammonia Measurement
06:27

Fast and Accurate Exhaled Breath Ammonia Measurement

Published on: June 11, 2014

14.0K

フーリエ変換赤外線光譜を用いた頭頸部がんの呼気分析: 非侵襲的スクリーニングの可行性研究

Kota Nakasuji1, Yoshihito Tanaka1, Masato Yamamoto2

  • 1Department of Otorhinolaryngology-Head and Neck, Odawara Municipal Hospital, Kanagawa 250-8558, Japan.

Diagnostics (Basel, Switzerland)
|February 13, 2026
PubMed
まとめ

フーリエ変換赤外線 (FTIR) 射出呼吸のスペクトロスコーピーは,非侵襲的な頭頸部がん検診の有望性を示しています. この方法は,早期発見のための内視鏡検査の実現可能な代替案を提供します.

キーワード:
FTIRは,FTIRであるため,吐き出された息は,吐き出された呼吸です.頭頸部がんは,頭頸部がんである.スクリーニング・スクリーニング

さらに関連する動画

A Model for Perineural Invasion in Head and Neck Squamous Cell Carcinoma
08:59

A Model for Perineural Invasion in Head and Neck Squamous Cell Carcinoma

Published on: January 5, 2017

11.4K
Proton Transfer and Protein Conformation Dynamics in Photosensitive Proteins by Time-resolved Step-scan Fourier-transform Infrared Spectroscopy
10:03

Proton Transfer and Protein Conformation Dynamics in Photosensitive Proteins by Time-resolved Step-scan Fourier-transform Infrared Spectroscopy

Published on: June 27, 2014

18.4K

関連する実験動画

Last Updated: Feb 14, 2026

Fast and Accurate Exhaled Breath Ammonia Measurement
06:27

Fast and Accurate Exhaled Breath Ammonia Measurement

Published on: June 11, 2014

14.0K
A Model for Perineural Invasion in Head and Neck Squamous Cell Carcinoma
08:59

A Model for Perineural Invasion in Head and Neck Squamous Cell Carcinoma

Published on: January 5, 2017

11.4K
Proton Transfer and Protein Conformation Dynamics in Photosensitive Proteins by Time-resolved Step-scan Fourier-transform Infrared Spectroscopy
10:03

Proton Transfer and Protein Conformation Dynamics in Photosensitive Proteins by Time-resolved Step-scan Fourier-transform Infrared Spectroscopy

Published on: June 27, 2014

18.4K

科学分野:

  • バイオメディカルエンジニアリング
  • スペクトロスコーピーは,スペクトロスコーピーを用います.
  • 腫瘍学 腫瘍学

背景:

  • 頭頸部がんの早期発見は,患者の治療結果を改善します.
  • エンドスコピーのような現在のスクリーニング方法は侵襲的で,専門的な専門知識が必要です.
  • よりシンプルで非侵襲的なスクリーニングツールが必要です.

研究 の 目的:

  • フーリエ変換赤外線 (FTIR) スペクトロスコピーの臨床的可行性を評価し,頭頸部がんの非侵襲的スクリーニングツールとして吐いた息を分析する.

主な方法:

  • 頭頸部がん患者 (n=10) と健康な対照群 (n=14) の呼気サンプルをFTIRスペクトル検査で分析した.
  • 赤外線吸収スペクトルをグループ間で比較した.
  • 受信機運用特性 (ROC) 分析が行われました.

主要な成果:

  • FTIRスペクトロスコーピーは,患者と対照群 (2691の波数点,p <0.05) の間の呼吸スペクトルの有意な違いを特定しました.
  • 特定の波数 (3917.3cm−1) は強い差異を示した (p = 0.00015).
  • ROC分析は,0.929の曲線の下の領域を示し,良き差別的パフォーマンスを示した.

結論:

  • FTIRベースの呼気分析は,頭頸部がんをスクリーニングするための非侵襲的で実行可能な方法です.
  • この技術は,がんのスクリーニングにおける臨床応用の可能性を示しています.
  • このアプローチは,他の病気の検出にも適応できるかもしれません.