\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{UmeshJagtap} \pdfinfo{ /Title (determination-of-stomatal-density.pdf) /Creator (Cheatography) /Author (UmeshJagtap) /Subject (Determination of Stomatal Density Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{A31B17} \definecolor{LightBackground}{HTML}{F9F0F0} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Determination of Stomatal Density Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{UmeshJagtap} via \textcolor{DarkBackground}{\uline{cheatography.com/186232/cs/47537/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}UmeshJagtap \\ \uline{cheatography.com/umeshjagtap} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 30th December, 2025.\\ Updated 30th December, 2025.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Aim}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{To study the structure of stomata and determine stomatal density on upper and lower surfaces of leaves.} \tn % Row Count 3 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Introduction}} \tn \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{{\bf{Stomata}}: Microscopic pores on leaf surfaces, regulated by guard cells. \newline % Row Count 2 (+ 2) {\bf{Function}}: Facilitate gas exchange (CO₂ intake) and transpiration (water loss). \newline % Row Count 4 (+ 2) {\bf{Objective}}: Measure stomatal density using a microscope and study stomatal structure.% Row Count 6 (+ 2) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Materials Required:}} \tn \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{• Plant Leaves (Tradescantia or Pancratium or Hibiscus) \newline % Row Count 2 (+ 2) • Microscope slides and cover slips \newline % Row Count 3 (+ 1) • Transparent nail paint \newline % Row Count 4 (+ 1) • Transparent sticky tape \newline % Row Count 5 (+ 1) • Glycerine \newline % Row Count 6 (+ 1) • Safranin \newline % Row Count 7 (+ 1) • Razor blade \newline % Row Count 8 (+ 1) • Forceps \newline % Row Count 9 (+ 1) • Microscope \newline % Row Count 10 (+ 1) • Digital camera or smartphone \newline % Row Count 11 (+ 1) • Clear plastic ruler (metric scale)% Row Count 12 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Protocol:}} \tn \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{{\bf{Step 1: Prepare Materials}} \newline % Row Count 1 (+ 1) Collect all required materials. \newline % Row Count 2 (+ 1) Select a healthy, fully expanded leaf for analysis. \newline % Row Count 4 (+ 2) {\bf{Step 2: Leaf Preparation}} \newline % Row Count 5 (+ 1) Cut the leaf obliquely into two pieces. \newline % Row Count 6 (+ 1) Place each piece in separate watch glasses containing distilled water: \newline % Row Count 8 (+ 2) One for the upper (adaxial) surface \newline % Row Count 9 (+ 1) One for the lower (abaxial) surface \newline % Row Count 10 (+ 1) {\bf{3: Peel Preparation}} \newline % Row Count 11 (+ 1) Using forceps, carefully peel the upper and lower epidermal layers. \newline % Row Count 13 (+ 2) Mount each peel on a clean glass slide with a drop of glycerine. \newline % Row Count 15 (+ 2) Add a drop of diluted safranin to stain the stomata. \newline % Row Count 17 (+ 2) {\bf{Method: Stomatal Impression Technique Using Nail Polish and Sticky Tape}} \newline % Row Count 19 (+ 2) {\emph{1: Selection of Leaf Samples}} \newline % Row Count 20 (+ 1) Select fresh, healthy leaves from a normal (unstressed) plant. \newline % Row Count 22 (+ 2) Select fresh leaves from a plant exposed to stress conditions (e.g., water stress, high light, or salinity). \newline % Row Count 25 (+ 3) Ensure that leaves are clean and free from dust. \newline % Row Count 26 (+ 1) {\emph{2: Application of Nail Polish}} \newline % Row Count 27 (+ 1) Place the leaf flat with the lower (abaxial) surface facing upward. \newline % Row Count 29 (+ 2) Apply a thin, even layer of clear nail polish on the lower surface of the leaf using a brush. \newline % Row Count 31 (+ 2) } \tn \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Protocol: (cont)}} \tn \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{ Allow the nail polish to dry completely for 10–15 minutes until a transparent film is formed. \newline % Row Count 2 (+ 2) {\emph{3: Preparation of Stomatal Impressions}} \newline % Row Count 3 (+ 1) Place a small piece of transparent sticky tape over the dried nail polish film. \newline % Row Count 5 (+ 2) Press gently to ensure proper adhesion between the tape and the nail polish layer. \newline % Row Count 7 (+ 2) Carefully peel off the sticky tape using forceps; the nail polish film containing stomatal impressions will be transferred onto the tape. \newline % Row Count 10 (+ 3) {\emph{4: Mounting of Impression}} \newline % Row Count 11 (+ 1) Place the sticky tape with the nail polish impression onto a clean glass slide. \newline % Row Count 13 (+ 2) Add a drop of water or glycerine if required to improve clarity. \newline % Row Count 15 (+ 2) Gently place a cover slip over the tape to avoid air bubbles. \newline % Row Count 17 (+ 2) {\bf{Step 4: Microscopic Observation}} \newline % Row Count 18 (+ 1) Observe the mounted preparation under the microscope using low power (10×) first. \newline % Row Count 20 (+ 2) Switch to high power (40×) for detailed observation of stomata. \newline % Row Count 22 (+ 2) Record observations on the size, shape, distribution, and density of stomata. \newline % Row Count 24 (+ 2) Compare stomatal features between healthy and stressed plants. \newline % Row Count 26 (+ 2) {\bf{Step 5: Microscopic Observation}} \newline % Row Count 27 (+ 1) Place a cover slip over the mounted peel. \newline % Row Count 28 (+ 1) Use the transparent ruler method to measure the field of view (FOV): \newline % Row Count 30 (+ 2) } \tn \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Protocol: (cont)}} \tn \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{ Place a clear plastic ruler on the microscope stage under the stage clips. \newline % Row Count 2 (+ 2) Rotate to the lowest magnification objective (4×). \newline % Row Count 4 (+ 2) Focus using coarse, then fine adjustment until metric markings are clear. \newline % Row Count 6 (+ 2) Align the ruler to measure the diameter of the circular field of view (record in mm). \newline % Row Count 8 (+ 2) Calculate the radius: \newline % Row Count 9 (+ 1) Radius (r)=Diameter (D)/ 2 \newline % Row Count 11 (+ 2) For 10× and 40× objectives, calculate the FOV using: \newline % Row Count 13 (+ 2) FOV\textasciitilde{}low\textasciitilde{} X Mag\textasciitilde{}low\textasciitilde{} = FOV\textasciitilde{}high\textasciitilde{} X Mag\textasciitilde{}high\textasciitilde{} \newline % Row Count 15 (+ 2) Calculate the area of the FOV: \newline % Row Count 16 (+ 1) Area=πr\textasciicircum{}2\textasciicircum{} \newline % Row Count 17 (+ 1) π=3.14 \newline % Row Count 19 (+ 2) {\bf{Step 6: Calculate Stomata per 1 mm$^{\textrm{2}}$}} \newline % Row Count 20 (+ 1) Stomata per 1 mm\textasciicircum{}2\textasciicircum{}= Number of stomata counted / Area of field of view (mm\textasciicircum{}2\textasciicircum{}) \newline % Row Count 22 (+ 2) {\bf{Step 7: Stomatal Structure Analysis}} \newline % Row Count 23 (+ 1) • Examine the size, shape, and distribution of stomata under the microscope. \newline % Row Count 25 (+ 2) • Note any differences between upper and lower surfaces. \newline % Row Count 27 (+ 2) • Capture images for documentation.% Row Count 28 (+ 1) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Observation Table:}} \tn \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{x{4.4469 cm} x{3.9528 cm} x{4.6116 cm} x{3.4587 cm} } \SetRowColor{DarkBackground} \mymulticolumn{4}{x{17.67cm}}{\bf\textcolor{white}{Calculation of Field of View (FOV) and Area}} \tn % Row 0 \SetRowColor{LightBackground} Objective \seqsplit{Magnification} & Diameter of FOV (mm) & Radius of FOV (mm) (D/2) & Area of FOV (mm$^{\textrm{2}}$) \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} \mymulticolumn{4}{x{17.67cm}}{4X} \tn % Row Count 4 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{4}{x{17.67cm}}{10X} \tn % Row Count 5 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{4}{x{17.67cm}}{40X} \tn % Row Count 6 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}----} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{Table 2}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{Plant Name} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{} \tn % Row Count 1 (+ 0) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{} \tn % Row Count 1 (+ 0) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{} \tn % Row Count 1 (+ 0) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{} \tn % Row Count 1 (+ 0) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{} \tn % Row Count 1 (+ 0) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{17.67cm}}{} \tn % Row Count 1 (+ 0) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{17.67cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{17.67cm}}{\bf\textcolor{white}{{\bf{Result}}}} \tn \SetRowColor{white} \mymulticolumn{1}{x{17.67cm}}{The stomatal density of Plant leaf was determined using microscopic observation. The upper (adaxial) surface showed an average stomatal density of ........ stomata/mm$^{\textrm{2}}$, while the lower (abaxial) surface had a higher density of ........stomata/mm$^{\textrm{2}}$.% Row Count 5 (+ 5) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \end{document}